./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_productSimulator.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_0463700d-65fe-4bf5-89c4-acfc6b907227/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_0463700d-65fe-4bf5-89c4-acfc6b907227/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_0463700d-65fe-4bf5-89c4-acfc6b907227/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_0463700d-65fe-4bf5-89c4-acfc6b907227/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_productSimulator.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_0463700d-65fe-4bf5-89c4-acfc6b907227/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_0463700d-65fe-4bf5-89c4-acfc6b907227/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 9a501726b111b1f6720960f06deb10a2482c5a4b ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-10-22 08:59:38,309 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 08:59:38,311 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 08:59:38,319 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 08:59:38,320 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 08:59:38,321 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 08:59:38,322 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 08:59:38,323 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 08:59:38,324 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 08:59:38,325 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 08:59:38,326 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 08:59:38,327 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 08:59:38,327 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 08:59:38,328 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 08:59:38,329 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 08:59:38,330 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 08:59:38,330 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 08:59:38,331 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 08:59:38,332 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 08:59:38,334 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 08:59:38,335 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 08:59:38,336 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 08:59:38,337 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 08:59:38,337 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 08:59:38,341 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 08:59:38,343 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 08:59:38,343 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 08:59:38,344 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 08:59:38,344 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 08:59:38,345 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 08:59:38,345 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 08:59:38,346 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 08:59:38,346 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 08:59:38,348 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 08:59:38,349 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 08:59:38,351 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 08:59:38,353 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 08:59:38,353 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 08:59:38,353 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 08:59:38,354 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 08:59:38,355 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 08:59:38,355 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_0463700d-65fe-4bf5-89c4-acfc6b907227/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-22 08:59:38,371 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 08:59:38,374 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 08:59:38,375 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 08:59:38,376 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 08:59:38,376 INFO L138 SettingsManager]: * Use SBE=true [2019-10-22 08:59:38,376 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 08:59:38,376 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 08:59:38,376 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 08:59:38,376 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 08:59:38,376 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 08:59:38,377 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 08:59:38,377 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 08:59:38,377 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 08:59:38,377 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 08:59:38,377 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 08:59:38,377 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 08:59:38,377 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 08:59:38,378 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 08:59:38,378 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 08:59:38,378 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 08:59:38,378 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 08:59:38,378 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 08:59:38,380 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 08:59:38,380 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 08:59:38,380 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 08:59:38,381 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-22 08:59:38,381 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 08:59:38,381 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 08:59:38,381 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/working_dir_0463700d-65fe-4bf5-89c4-acfc6b907227/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 -> 9a501726b111b1f6720960f06deb10a2482c5a4b [2019-10-22 08:59:38,427 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 08:59:38,437 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 08:59:38,443 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 08:59:38,444 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 08:59:38,444 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 08:59:38,445 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_0463700d-65fe-4bf5-89c4-acfc6b907227/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec1_productSimulator.cil.c [2019-10-22 08:59:38,494 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0463700d-65fe-4bf5-89c4-acfc6b907227/bin/uautomizer/data/0a6fb4060/c4d6388ffd524b24a991022f1d304e3a/FLAG07a5b6010 [2019-10-22 08:59:38,982 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 08:59:38,982 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_0463700d-65fe-4bf5-89c4-acfc6b907227/sv-benchmarks/c/product-lines/minepump_spec1_productSimulator.cil.c [2019-10-22 08:59:38,994 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0463700d-65fe-4bf5-89c4-acfc6b907227/bin/uautomizer/data/0a6fb4060/c4d6388ffd524b24a991022f1d304e3a/FLAG07a5b6010 [2019-10-22 08:59:39,465 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_0463700d-65fe-4bf5-89c4-acfc6b907227/bin/uautomizer/data/0a6fb4060/c4d6388ffd524b24a991022f1d304e3a [2019-10-22 08:59:39,467 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 08:59:39,468 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 08:59:39,469 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 08:59:39,469 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 08:59:39,472 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 08:59:39,472 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 08:59:39" (1/1) ... [2019-10-22 08:59:39,475 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@544e8593 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:59:39, skipping insertion in model container [2019-10-22 08:59:39,475 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 08:59:39" (1/1) ... [2019-10-22 08:59:39,482 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 08:59:39,538 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 08:59:39,936 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 08:59:39,948 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 08:59:40,034 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 08:59:40,077 INFO L192 MainTranslator]: Completed translation [2019-10-22 08:59:40,078 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:59:40 WrapperNode [2019-10-22 08:59:40,078 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 08:59:40,079 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 08:59:40,079 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 08:59:40,079 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 08:59:40,085 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:59:40" (1/1) ... [2019-10-22 08:59:40,105 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:59:40" (1/1) ... [2019-10-22 08:59:40,205 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 08:59:40,205 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 08:59:40,205 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 08:59:40,205 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 08:59:40,215 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:59:40" (1/1) ... [2019-10-22 08:59:40,215 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:59:40" (1/1) ... [2019-10-22 08:59:40,232 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:59:40" (1/1) ... [2019-10-22 08:59:40,233 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:59:40" (1/1) ... [2019-10-22 08:59:40,278 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:59:40" (1/1) ... [2019-10-22 08:59:40,306 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:59:40" (1/1) ... [2019-10-22 08:59:40,311 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:59:40" (1/1) ... [2019-10-22 08:59:40,323 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 08:59:40,323 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 08:59:40,323 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 08:59:40,323 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 08:59:40,324 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:59:40" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0463700d-65fe-4bf5-89c4-acfc6b907227/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 [2019-10-22 08:59:40,379 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 08:59:40,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-22 08:59:40,379 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 08:59:40,379 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 08:59:41,892 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 08:59:41,892 INFO L284 CfgBuilder]: Removed 900 assume(true) statements. [2019-10-22 08:59:41,894 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:59:41 BoogieIcfgContainer [2019-10-22 08:59:41,894 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 08:59:41,896 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 08:59:41,896 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 08:59:41,899 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 08:59:41,899 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 08:59:39" (1/3) ... [2019-10-22 08:59:41,900 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b112f90 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 08:59:41, skipping insertion in model container [2019-10-22 08:59:41,900 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:59:40" (2/3) ... [2019-10-22 08:59:41,900 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b112f90 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 08:59:41, skipping insertion in model container [2019-10-22 08:59:41,902 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:59:41" (3/3) ... [2019-10-22 08:59:41,904 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_productSimulator.cil.c [2019-10-22 08:59:41,913 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 08:59:41,922 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-10-22 08:59:41,932 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-10-22 08:59:41,965 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 08:59:41,965 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-22 08:59:41,965 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 08:59:41,965 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 08:59:41,965 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 08:59:41,965 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 08:59:41,965 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 08:59:41,966 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 08:59:41,991 INFO L276 IsEmpty]: Start isEmpty. Operand 470 states. [2019-10-22 08:59:41,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-10-22 08:59:42,000 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:59:42,001 INFO L380 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] [2019-10-22 08:59:42,003 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:59:42,010 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:59:42,010 INFO L82 PathProgramCache]: Analyzing trace with hash -1535705576, now seen corresponding path program 1 times [2019-10-22 08:59:42,018 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:59:42,018 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1116059634] [2019-10-22 08:59:42,019 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:59:42,019 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:59:42,019 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:59:42,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:59:42,296 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:59:42,299 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1116059634] [2019-10-22 08:59:42,300 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:59:42,300 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 08:59:42,300 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [147164497] [2019-10-22 08:59:42,305 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-22 08:59:42,305 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:59:42,318 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-22 08:59:42,318 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-22 08:59:42,320 INFO L87 Difference]: Start difference. First operand 470 states. Second operand 2 states. [2019-10-22 08:59:42,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:59:42,389 INFO L93 Difference]: Finished difference Result 927 states and 1454 transitions. [2019-10-22 08:59:42,390 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-22 08:59:42,391 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 23 [2019-10-22 08:59:42,391 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:59:42,406 INFO L225 Difference]: With dead ends: 927 [2019-10-22 08:59:42,406 INFO L226 Difference]: Without dead ends: 466 [2019-10-22 08:59:42,411 INFO L600 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 [2019-10-22 08:59:42,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 466 states. [2019-10-22 08:59:42,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 466 to 466. [2019-10-22 08:59:42,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 466 states. [2019-10-22 08:59:42,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 466 states to 466 states and 722 transitions. [2019-10-22 08:59:42,501 INFO L78 Accepts]: Start accepts. Automaton has 466 states and 722 transitions. Word has length 23 [2019-10-22 08:59:42,501 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:59:42,501 INFO L462 AbstractCegarLoop]: Abstraction has 466 states and 722 transitions. [2019-10-22 08:59:42,502 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-22 08:59:42,502 INFO L276 IsEmpty]: Start isEmpty. Operand 466 states and 722 transitions. [2019-10-22 08:59:42,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-10-22 08:59:42,503 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:59:42,503 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:59:42,504 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:59:42,504 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:59:42,504 INFO L82 PathProgramCache]: Analyzing trace with hash 1882100476, now seen corresponding path program 1 times [2019-10-22 08:59:42,504 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:59:42,504 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [977147319] [2019-10-22 08:59:42,505 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:59:42,505 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:59:42,505 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:59:42,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:59:42,599 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:59:42,600 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [977147319] [2019-10-22 08:59:42,600 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:59:42,600 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 08:59:42,601 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [178392019] [2019-10-22 08:59:42,602 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 08:59:42,602 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:59:42,603 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 08:59:42,603 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 08:59:42,603 INFO L87 Difference]: Start difference. First operand 466 states and 722 transitions. Second operand 3 states. [2019-10-22 08:59:42,622 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:59:42,622 INFO L93 Difference]: Finished difference Result 466 states and 722 transitions. [2019-10-22 08:59:42,623 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 08:59:42,623 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2019-10-22 08:59:42,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:59:42,625 INFO L225 Difference]: With dead ends: 466 [2019-10-22 08:59:42,625 INFO L226 Difference]: Without dead ends: 172 [2019-10-22 08:59:42,626 INFO L600 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 [2019-10-22 08:59:42,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states. [2019-10-22 08:59:42,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 172. [2019-10-22 08:59:42,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 172 states. [2019-10-22 08:59:42,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 263 transitions. [2019-10-22 08:59:42,638 INFO L78 Accepts]: Start accepts. Automaton has 172 states and 263 transitions. Word has length 24 [2019-10-22 08:59:42,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:59:42,638 INFO L462 AbstractCegarLoop]: Abstraction has 172 states and 263 transitions. [2019-10-22 08:59:42,638 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 08:59:42,638 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 263 transitions. [2019-10-22 08:59:42,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-10-22 08:59:42,639 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:59:42,640 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:59:42,640 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:59:42,640 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:59:42,640 INFO L82 PathProgramCache]: Analyzing trace with hash -1978143563, now seen corresponding path program 1 times [2019-10-22 08:59:42,640 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:59:42,641 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1418377699] [2019-10-22 08:59:42,641 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:59:42,641 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:59:42,641 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:59:42,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:59:42,739 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:59:42,739 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1418377699] [2019-10-22 08:59:42,739 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:59:42,739 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 08:59:42,739 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1764406442] [2019-10-22 08:59:42,740 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 08:59:42,740 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:59:42,740 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 08:59:42,740 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 08:59:42,741 INFO L87 Difference]: Start difference. First operand 172 states and 263 transitions. Second operand 3 states. [2019-10-22 08:59:42,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:59:42,781 INFO L93 Difference]: Finished difference Result 490 states and 763 transitions. [2019-10-22 08:59:42,781 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 08:59:42,781 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 30 [2019-10-22 08:59:42,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:59:42,783 INFO L225 Difference]: With dead ends: 490 [2019-10-22 08:59:42,784 INFO L226 Difference]: Without dead ends: 331 [2019-10-22 08:59:42,785 INFO L600 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 [2019-10-22 08:59:42,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 331 states. [2019-10-22 08:59:42,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 331 to 327. [2019-10-22 08:59:42,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 327 states. [2019-10-22 08:59:42,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 327 states and 508 transitions. [2019-10-22 08:59:42,806 INFO L78 Accepts]: Start accepts. Automaton has 327 states and 508 transitions. Word has length 30 [2019-10-22 08:59:42,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:59:42,806 INFO L462 AbstractCegarLoop]: Abstraction has 327 states and 508 transitions. [2019-10-22 08:59:42,806 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 08:59:42,806 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 508 transitions. [2019-10-22 08:59:42,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-10-22 08:59:42,807 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:59:42,808 INFO L380 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] [2019-10-22 08:59:42,808 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:59:42,808 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:59:42,808 INFO L82 PathProgramCache]: Analyzing trace with hash 1554604317, now seen corresponding path program 1 times [2019-10-22 08:59:42,808 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:59:42,809 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [770150562] [2019-10-22 08:59:42,809 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:59:42,809 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:59:42,809 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:59:42,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:59:42,864 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:59:42,864 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [770150562] [2019-10-22 08:59:42,865 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:59:42,865 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 08:59:42,865 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [159108428] [2019-10-22 08:59:42,865 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 08:59:42,865 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:59:42,866 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 08:59:42,866 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 08:59:42,866 INFO L87 Difference]: Start difference. First operand 327 states and 508 transitions. Second operand 3 states. [2019-10-22 08:59:42,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:59:42,973 INFO L93 Difference]: Finished difference Result 662 states and 1041 transitions. [2019-10-22 08:59:42,974 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 08:59:42,974 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 33 [2019-10-22 08:59:42,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:59:42,976 INFO L225 Difference]: With dead ends: 662 [2019-10-22 08:59:42,976 INFO L226 Difference]: Without dead ends: 348 [2019-10-22 08:59:42,978 INFO L600 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 [2019-10-22 08:59:42,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 348 states. [2019-10-22 08:59:42,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 348 to 346. [2019-10-22 08:59:42,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 346 states. [2019-10-22 08:59:42,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 346 states and 526 transitions. [2019-10-22 08:59:42,997 INFO L78 Accepts]: Start accepts. Automaton has 346 states and 526 transitions. Word has length 33 [2019-10-22 08:59:42,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:59:42,997 INFO L462 AbstractCegarLoop]: Abstraction has 346 states and 526 transitions. [2019-10-22 08:59:42,997 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 08:59:42,997 INFO L276 IsEmpty]: Start isEmpty. Operand 346 states and 526 transitions. [2019-10-22 08:59:42,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-10-22 08:59:42,998 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:59:42,999 INFO L380 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] [2019-10-22 08:59:42,999 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:59:42,999 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:59:42,999 INFO L82 PathProgramCache]: Analyzing trace with hash 965063802, now seen corresponding path program 1 times [2019-10-22 08:59:43,000 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:59:43,000 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [573429578] [2019-10-22 08:59:43,000 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:59:43,000 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:59:43,000 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:59:43,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:59:43,099 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:59:43,100 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [573429578] [2019-10-22 08:59:43,100 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:59:43,100 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 08:59:43,100 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1080495206] [2019-10-22 08:59:43,101 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 08:59:43,101 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:59:43,101 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 08:59:43,101 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 08:59:43,101 INFO L87 Difference]: Start difference. First operand 346 states and 526 transitions. Second operand 5 states. [2019-10-22 08:59:43,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:59:43,416 INFO L93 Difference]: Finished difference Result 1102 states and 1686 transitions. [2019-10-22 08:59:43,417 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-22 08:59:43,417 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2019-10-22 08:59:43,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:59:43,420 INFO L225 Difference]: With dead ends: 1102 [2019-10-22 08:59:43,420 INFO L226 Difference]: Without dead ends: 1100 [2019-10-22 08:59:43,421 INFO L600 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 [2019-10-22 08:59:43,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1100 states. [2019-10-22 08:59:43,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1100 to 346. [2019-10-22 08:59:43,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 346 states. [2019-10-22 08:59:43,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 346 states and 524 transitions. [2019-10-22 08:59:43,462 INFO L78 Accepts]: Start accepts. Automaton has 346 states and 524 transitions. Word has length 33 [2019-10-22 08:59:43,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:59:43,463 INFO L462 AbstractCegarLoop]: Abstraction has 346 states and 524 transitions. [2019-10-22 08:59:43,463 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 08:59:43,463 INFO L276 IsEmpty]: Start isEmpty. Operand 346 states and 524 transitions. [2019-10-22 08:59:43,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2019-10-22 08:59:43,467 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:59:43,468 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:59:43,468 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:59:43,468 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:59:43,468 INFO L82 PathProgramCache]: Analyzing trace with hash -839639507, now seen corresponding path program 1 times [2019-10-22 08:59:43,468 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:59:43,468 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1137483232] [2019-10-22 08:59:43,469 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:59:43,469 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:59:43,469 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:59:43,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:59:43,544 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:59:43,545 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1137483232] [2019-10-22 08:59:43,545 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:59:43,545 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-22 08:59:43,545 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [34160521] [2019-10-22 08:59:43,545 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 08:59:43,545 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:59:43,546 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 08:59:43,546 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 08:59:43,546 INFO L87 Difference]: Start difference. First operand 346 states and 524 transitions. Second operand 5 states. [2019-10-22 08:59:43,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:59:43,740 INFO L93 Difference]: Finished difference Result 859 states and 1297 transitions. [2019-10-22 08:59:43,740 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-22 08:59:43,741 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 41 [2019-10-22 08:59:43,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:59:43,743 INFO L225 Difference]: With dead ends: 859 [2019-10-22 08:59:43,743 INFO L226 Difference]: Without dead ends: 526 [2019-10-22 08:59:43,744 INFO L600 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 [2019-10-22 08:59:43,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 526 states. [2019-10-22 08:59:43,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 526 to 394. [2019-10-22 08:59:43,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 394 states. [2019-10-22 08:59:43,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 394 states and 572 transitions. [2019-10-22 08:59:43,766 INFO L78 Accepts]: Start accepts. Automaton has 394 states and 572 transitions. Word has length 41 [2019-10-22 08:59:43,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:59:43,768 INFO L462 AbstractCegarLoop]: Abstraction has 394 states and 572 transitions. [2019-10-22 08:59:43,768 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 08:59:43,768 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 572 transitions. [2019-10-22 08:59:43,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2019-10-22 08:59:43,769 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:59:43,769 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:59:43,769 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:59:43,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:59:43,770 INFO L82 PathProgramCache]: Analyzing trace with hash -138574929, now seen corresponding path program 1 times [2019-10-22 08:59:43,770 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:59:43,770 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [591548750] [2019-10-22 08:59:43,770 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:59:43,770 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:59:43,770 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:59:43,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:59:43,831 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:59:43,832 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [591548750] [2019-10-22 08:59:43,832 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:59:43,832 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-22 08:59:43,832 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1041935233] [2019-10-22 08:59:43,833 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 08:59:43,833 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:59:43,833 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 08:59:43,833 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 08:59:43,833 INFO L87 Difference]: Start difference. First operand 394 states and 572 transitions. Second operand 5 states. [2019-10-22 08:59:44,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:59:44,047 INFO L93 Difference]: Finished difference Result 1004 states and 1442 transitions. [2019-10-22 08:59:44,047 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-22 08:59:44,047 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 41 [2019-10-22 08:59:44,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:59:44,049 INFO L225 Difference]: With dead ends: 1004 [2019-10-22 08:59:44,050 INFO L226 Difference]: Without dead ends: 623 [2019-10-22 08:59:44,051 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-10-22 08:59:44,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 623 states. [2019-10-22 08:59:44,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 623 to 426. [2019-10-22 08:59:44,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 426 states. [2019-10-22 08:59:44,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 426 states and 604 transitions. [2019-10-22 08:59:44,074 INFO L78 Accepts]: Start accepts. Automaton has 426 states and 604 transitions. Word has length 41 [2019-10-22 08:59:44,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:59:44,075 INFO L462 AbstractCegarLoop]: Abstraction has 426 states and 604 transitions. [2019-10-22 08:59:44,075 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 08:59:44,075 INFO L276 IsEmpty]: Start isEmpty. Operand 426 states and 604 transitions. [2019-10-22 08:59:44,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2019-10-22 08:59:44,078 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:59:44,079 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:59:44,079 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:59:44,079 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:59:44,079 INFO L82 PathProgramCache]: Analyzing trace with hash -725380943, now seen corresponding path program 1 times [2019-10-22 08:59:44,079 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:59:44,080 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1356536583] [2019-10-22 08:59:44,080 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:59:44,080 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:59:44,080 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:59:44,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:59:44,113 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:59:44,113 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1356536583] [2019-10-22 08:59:44,113 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:59:44,113 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 08:59:44,114 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [785579521] [2019-10-22 08:59:44,114 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 08:59:44,114 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:59:44,114 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 08:59:44,114 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 08:59:44,115 INFO L87 Difference]: Start difference. First operand 426 states and 604 transitions. Second operand 3 states. [2019-10-22 08:59:44,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:59:44,172 INFO L93 Difference]: Finished difference Result 957 states and 1354 transitions. [2019-10-22 08:59:44,173 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 08:59:44,173 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 41 [2019-10-22 08:59:44,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:59:44,175 INFO L225 Difference]: With dead ends: 957 [2019-10-22 08:59:44,175 INFO L226 Difference]: Without dead ends: 544 [2019-10-22 08:59:44,176 INFO L600 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 [2019-10-22 08:59:44,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 544 states. [2019-10-22 08:59:44,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 544 to 544. [2019-10-22 08:59:44,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 544 states. [2019-10-22 08:59:44,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 544 states to 544 states and 753 transitions. [2019-10-22 08:59:44,201 INFO L78 Accepts]: Start accepts. Automaton has 544 states and 753 transitions. Word has length 41 [2019-10-22 08:59:44,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:59:44,201 INFO L462 AbstractCegarLoop]: Abstraction has 544 states and 753 transitions. [2019-10-22 08:59:44,201 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 08:59:44,201 INFO L276 IsEmpty]: Start isEmpty. Operand 544 states and 753 transitions. [2019-10-22 08:59:44,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-10-22 08:59:44,202 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:59:44,202 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:59:44,203 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:59:44,203 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:59:44,203 INFO L82 PathProgramCache]: Analyzing trace with hash 2070381940, now seen corresponding path program 1 times [2019-10-22 08:59:44,203 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:59:44,203 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [996920233] [2019-10-22 08:59:44,204 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:59:44,204 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:59:44,204 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:59:44,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:59:44,270 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:59:44,270 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [996920233] [2019-10-22 08:59:44,271 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:59:44,271 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 08:59:44,271 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2069788794] [2019-10-22 08:59:44,271 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 08:59:44,271 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:59:44,271 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 08:59:44,272 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 08:59:44,272 INFO L87 Difference]: Start difference. First operand 544 states and 753 transitions. Second operand 5 states. [2019-10-22 08:59:44,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:59:44,518 INFO L93 Difference]: Finished difference Result 3179 states and 4432 transitions. [2019-10-22 08:59:44,518 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-22 08:59:44,518 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 42 [2019-10-22 08:59:44,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:59:44,527 INFO L225 Difference]: With dead ends: 3179 [2019-10-22 08:59:44,527 INFO L226 Difference]: Without dead ends: 2648 [2019-10-22 08:59:44,529 INFO L600 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 [2019-10-22 08:59:44,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2648 states. [2019-10-22 08:59:44,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2648 to 1061. [2019-10-22 08:59:44,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1061 states. [2019-10-22 08:59:44,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1061 states to 1061 states and 1466 transitions. [2019-10-22 08:59:44,589 INFO L78 Accepts]: Start accepts. Automaton has 1061 states and 1466 transitions. Word has length 42 [2019-10-22 08:59:44,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:59:44,590 INFO L462 AbstractCegarLoop]: Abstraction has 1061 states and 1466 transitions. [2019-10-22 08:59:44,590 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 08:59:44,590 INFO L276 IsEmpty]: Start isEmpty. Operand 1061 states and 1466 transitions. [2019-10-22 08:59:44,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-10-22 08:59:44,591 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:59:44,591 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:59:44,592 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:59:44,592 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:59:44,592 INFO L82 PathProgramCache]: Analyzing trace with hash -1499020087, now seen corresponding path program 1 times [2019-10-22 08:59:44,592 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:59:44,592 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1540930063] [2019-10-22 08:59:44,592 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:59:44,592 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:59:44,592 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:59:44,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:59:45,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:59:45,158 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 08:59:45,159 INFO L445 BasicCegarLoop]: Counterexample might be feasible [2019-10-22 08:59:45,277 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 08:59:45 BoogieIcfgContainer [2019-10-22 08:59:45,277 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-22 08:59:45,277 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 08:59:45,277 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 08:59:45,278 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 08:59:45,278 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:59:41" (3/4) ... [2019-10-22 08:59:45,280 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-10-22 08:59:45,379 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_0463700d-65fe-4bf5-89c4-acfc6b907227/bin/uautomizer/witness.graphml [2019-10-22 08:59:45,380 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 08:59:45,382 INFO L168 Benchmark]: Toolchain (without parser) took 5912.82 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 335.5 MB). Free memory was 937.8 MB in the beginning and 1.3 GB in the end (delta: -333.9 MB). Peak memory consumption was 1.6 MB. Max. memory is 11.5 GB. [2019-10-22 08:59:45,382 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 962.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 08:59:45,383 INFO L168 Benchmark]: CACSL2BoogieTranslator took 609.54 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.8 MB). Free memory was 937.8 MB in the beginning and 1.1 GB in the end (delta: -184.1 MB). Peak memory consumption was 23.4 MB. Max. memory is 11.5 GB. [2019-10-22 08:59:45,383 INFO L168 Benchmark]: Boogie Procedure Inliner took 125.85 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. [2019-10-22 08:59:45,383 INFO L168 Benchmark]: Boogie Preprocessor took 117.79 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-10-22 08:59:45,383 INFO L168 Benchmark]: RCFGBuilder took 1570.84 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 938.6 MB in the end (delta: 163.2 MB). Peak memory consumption was 163.2 MB. Max. memory is 11.5 GB. [2019-10-22 08:59:45,384 INFO L168 Benchmark]: TraceAbstraction took 3381.12 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 189.8 MB). Free memory was 938.6 MB in the beginning and 1.3 GB in the end (delta: -355.5 MB). Peak memory consumption was 238.3 MB. Max. memory is 11.5 GB. [2019-10-22 08:59:45,384 INFO L168 Benchmark]: Witness Printer took 102.43 ms. Allocated memory is still 1.4 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 22.4 MB). Peak memory consumption was 22.4 MB. Max. memory is 11.5 GB. [2019-10-22 08:59:45,385 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 962.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 609.54 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.8 MB). Free memory was 937.8 MB in the beginning and 1.1 GB in the end (delta: -184.1 MB). Peak memory consumption was 23.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 125.85 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 117.79 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1570.84 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 938.6 MB in the end (delta: 163.2 MB). Peak memory consumption was 163.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 3381.12 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 189.8 MB). Free memory was 938.6 MB in the beginning and 1.3 GB in the end (delta: -355.5 MB). Peak memory consumption was 238.3 MB. Max. memory is 11.5 GB. * Witness Printer took 102.43 ms. Allocated memory is still 1.4 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 22.4 MB). Peak memory consumption was 22.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 1021]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L40] int __SELECTED_FEATURE_base ; [L41] int __SELECTED_FEATURE_highWaterSensor ; [L42] int __SELECTED_FEATURE_lowWaterSensor ; [L43] int __SELECTED_FEATURE_methaneQuery ; [L44] int __SELECTED_FEATURE_methaneAlarm ; [L45] int __SELECTED_FEATURE_stopCommand ; [L46] int __SELECTED_FEATURE_startCommand ; [L47] int __GUIDSL_ROOT_PRODUCTION ; [L140] int pumpRunning = 0; [L141] int systemActive = 1; [L641] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L914] int waterLevel = 1; [L915] int methaneLevelCritical = 0; [L1026] int cleanupTimeShifts = 4; VAL [__GUIDSL_ROOT_PRODUCTION=0, __SELECTED_FEATURE_base=0, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L1099] int retValue_acc ; [L1100] int tmp ; [L872] __GUIDSL_ROOT_PRODUCTION = 1 VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=0, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L857] __SELECTED_FEATURE_base = 1 [L843] int retValue_acc ; [L844] int choice = __VERIFIER_nondet_int(); [L847] retValue_acc = choice [L848] return (retValue_acc); VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L858] __SELECTED_FEATURE_highWaterSensor = select_one() [L843] int retValue_acc ; [L844] int choice = __VERIFIER_nondet_int(); [L847] retValue_acc = choice [L848] return (retValue_acc); VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=16, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L859] __SELECTED_FEATURE_lowWaterSensor = select_one() [L843] int retValue_acc ; [L844] int choice = __VERIFIER_nondet_int(); [L847] retValue_acc = choice [L848] return (retValue_acc); VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=16, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L860] __SELECTED_FEATURE_methaneQuery = select_one() [L843] int retValue_acc ; [L844] int choice = __VERIFIER_nondet_int(); [L847] retValue_acc = choice [L848] return (retValue_acc); VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=16, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L861] __SELECTED_FEATURE_methaneAlarm = select_one() [L843] int retValue_acc ; [L844] int choice = __VERIFIER_nondet_int(); [L847] retValue_acc = choice [L848] return (retValue_acc); VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=16, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L862] __SELECTED_FEATURE_stopCommand = select_one() [L843] int retValue_acc ; [L844] int choice = __VERIFIER_nondet_int(); [L847] retValue_acc = choice [L848] return (retValue_acc); VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=16, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=19, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L863] __SELECTED_FEATURE_startCommand = select_one() [L877] int retValue_acc ; [L880] retValue_acc = __SELECTED_FEATURE_base [L881] return (retValue_acc); VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=16, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=26, __SELECTED_FEATURE_stopCommand=19, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L1106] tmp = valid_product() [L1108] COND TRUE \read(tmp) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=16, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=26, __SELECTED_FEATURE_stopCommand=19, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L55] int splverifierCounter ; [L56] int tmp ; [L57] int tmp___0 ; [L58] int tmp___1 ; [L59] int tmp___2 ; [L62] splverifierCounter = 0 VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=16, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=26, __SELECTED_FEATURE_stopCommand=19, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L64] COND TRUE 1 VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=16, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=26, __SELECTED_FEATURE_stopCommand=19, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L66] COND TRUE splverifierCounter < 4 VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=16, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=26, __SELECTED_FEATURE_stopCommand=19, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L72] tmp = __VERIFIER_nondet_int() [L74] COND TRUE \read(tmp) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=16, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=26, __SELECTED_FEATURE_stopCommand=19, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L932] COND TRUE waterLevel < 2 [L933] waterLevel = waterLevel + 1 VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=16, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=26, __SELECTED_FEATURE_stopCommand=19, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L82] tmp___0 = __VERIFIER_nondet_int() [L84] COND TRUE \read(tmp___0) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=16, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=26, __SELECTED_FEATURE_stopCommand=19, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L944] COND FALSE !(\read(methaneLevelCritical)) [L947] methaneLevelCritical = 1 VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=16, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=26, __SELECTED_FEATURE_stopCommand=19, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L92] tmp___2 = __VERIFIER_nondet_int() [L94] COND FALSE !(\read(tmp___2)) [L104] tmp___1 = __VERIFIER_nondet_int() [L106] COND FALSE !(\read(tmp___1)) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=16, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=26, __SELECTED_FEATURE_stopCommand=19, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L148] COND FALSE !(\read(pumpRunning)) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=16, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=26, __SELECTED_FEATURE_stopCommand=19, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L155] COND TRUE \read(systemActive) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=16, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=26, __SELECTED_FEATURE_stopCommand=19, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L291] COND FALSE !(\read(__SELECTED_FEATURE_methaneAlarm)) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=16, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=26, __SELECTED_FEATURE_stopCommand=19, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L248] COND FALSE !(\read(__SELECTED_FEATURE_lowWaterSensor)) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=16, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=26, __SELECTED_FEATURE_stopCommand=19, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L205] COND TRUE \read(__SELECTED_FEATURE_highWaterSensor) [L177] int tmp ; VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=16, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=26, __SELECTED_FEATURE_stopCommand=19, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L180] COND TRUE ! pumpRunning [L411] int retValue_acc ; [L412] int tmp ; [L413] int tmp___0 ; [L994] int retValue_acc ; VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=16, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=26, __SELECTED_FEATURE_stopCommand=19, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L997] COND FALSE !(waterLevel < 2) [L1001] retValue_acc = 0 [L1002] return (retValue_acc); VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=16, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=26, __SELECTED_FEATURE_stopCommand=19, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L417] tmp = isHighWaterSensorDry() [L419] COND FALSE !(\read(tmp)) [L422] tmp___0 = 1 VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=16, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=26, __SELECTED_FEATURE_stopCommand=19, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L424] retValue_acc = tmp___0 [L425] return (retValue_acc); VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=16, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=26, __SELECTED_FEATURE_stopCommand=19, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L182] tmp = isHighWaterLevel() [L184] COND TRUE \read(tmp) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=16, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=26, __SELECTED_FEATURE_stopCommand=19, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L333] COND FALSE !(\read(__SELECTED_FEATURE_methaneQuery)) [L308] pumpRunning = 1 VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=16, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=26, __SELECTED_FEATURE_stopCommand=19, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L888] int tmp ; [L889] int tmp___0 ; [L953] int retValue_acc ; [L956] retValue_acc = methaneLevelCritical [L957] return (retValue_acc); VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=16, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=26, __SELECTED_FEATURE_stopCommand=19, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L893] tmp = isMethaneLevelCritical() [L895] COND TRUE \read(tmp) [L366] int retValue_acc ; [L369] retValue_acc = pumpRunning [L370] return (retValue_acc); VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=16, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=26, __SELECTED_FEATURE_stopCommand=19, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L897] tmp___0 = isPumpRunning() [L899] COND TRUE \read(tmp___0) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=16, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=26, __SELECTED_FEATURE_stopCommand=19, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L1021] __VERIFIER_error() VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=16, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=26, __SELECTED_FEATURE_stopCommand=19, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 470 locations, 3 error locations. Result: UNSAFE, OverallTime: 3.3s, OverallIterations: 10, TraceHistogramMax: 1, AutomataDifference: 1.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 3081 SDtfs, 3716 SDslu, 3970 SDs, 0 SdLazy, 526 SolverSat, 177 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 48 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1061occurred 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: 0.2s AutomataMinimizationTime, 9 MinimizatonAttempts, 2676 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 351 NumberOfCodeBlocks, 351 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 299 ConstructedInterpolants, 0 QuantifiedInterpolants, 22941 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 PerfectInterpolantSequences, 0/0 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 incorrect! Received shutdown request...