./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_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_4877175d-36ea-4601-85cd-fa2d03673c08/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_4877175d-36ea-4601-85cd-fa2d03673c08/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_4877175d-36ea-4601-85cd-fa2d03673c08/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_4877175d-36ea-4601-85cd-fa2d03673c08/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_productSimulator.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_4877175d-36ea-4601-85cd-fa2d03673c08/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_4877175d-36ea-4601-85cd-fa2d03673c08/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 0b5369e4c405e8397dff04a83a57a11661bb278d .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 09:00:50,882 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 09:00:50,883 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 09:00:50,892 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 09:00:50,892 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 09:00:50,893 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 09:00:50,893 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 09:00:50,895 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 09:00:50,896 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 09:00:50,896 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 09:00:50,897 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 09:00:50,898 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 09:00:50,898 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 09:00:50,899 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 09:00:50,899 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 09:00:50,900 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 09:00:50,901 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 09:00:50,902 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 09:00:50,904 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 09:00:50,905 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 09:00:50,907 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 09:00:50,908 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 09:00:50,909 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 09:00:50,909 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 09:00:50,911 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 09:00:50,912 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 09:00:50,912 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 09:00:50,913 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 09:00:50,914 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 09:00:50,914 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 09:00:50,915 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 09:00:50,915 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 09:00:50,916 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 09:00:50,916 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 09:00:50,917 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 09:00:50,918 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 09:00:50,918 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 09:00:50,919 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 09:00:50,919 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 09:00:50,920 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 09:00:50,920 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 09:00:50,921 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_4877175d-36ea-4601-85cd-fa2d03673c08/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-22 09:00:50,932 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 09:00:50,932 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 09:00:50,933 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 09:00:50,934 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 09:00:50,934 INFO L138 SettingsManager]: * Use SBE=true [2019-10-22 09:00:50,934 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 09:00:50,934 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 09:00:50,935 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 09:00:50,935 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 09:00:50,935 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 09:00:50,935 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 09:00:50,935 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 09:00:50,935 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 09:00:50,935 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 09:00:50,936 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 09:00:50,936 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 09:00:50,936 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 09:00:50,936 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 09:00:50,936 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 09:00:50,936 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 09:00:50,937 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 09:00:50,937 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 09:00:50,937 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 09:00:50,937 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 09:00:50,937 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 09:00:50,937 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-22 09:00:50,937 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 09:00:50,938 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 09:00:50,938 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_4877175d-36ea-4601-85cd-fa2d03673c08/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 -> 0b5369e4c405e8397dff04a83a57a11661bb278d [2019-10-22 09:00:50,962 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 09:00:50,978 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 09:00:50,985 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 09:00:50,987 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 09:00:50,987 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 09:00:50,988 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_4877175d-36ea-4601-85cd-fa2d03673c08/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec3_productSimulator.cil.c [2019-10-22 09:00:51,031 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_4877175d-36ea-4601-85cd-fa2d03673c08/bin/uautomizer/data/7a5ba75d4/22da493302cc4481904ebfb2af4e45bc/FLAGa2f159e0a [2019-10-22 09:00:51,423 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 09:00:51,423 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_4877175d-36ea-4601-85cd-fa2d03673c08/sv-benchmarks/c/product-lines/minepump_spec3_productSimulator.cil.c [2019-10-22 09:00:51,435 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_4877175d-36ea-4601-85cd-fa2d03673c08/bin/uautomizer/data/7a5ba75d4/22da493302cc4481904ebfb2af4e45bc/FLAGa2f159e0a [2019-10-22 09:00:51,447 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_4877175d-36ea-4601-85cd-fa2d03673c08/bin/uautomizer/data/7a5ba75d4/22da493302cc4481904ebfb2af4e45bc [2019-10-22 09:00:51,450 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 09:00:51,451 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 09:00:51,452 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 09:00:51,452 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 09:00:51,455 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 09:00:51,456 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 09:00:51" (1/1) ... [2019-10-22 09:00:51,461 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e84c0e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:51, skipping insertion in model container [2019-10-22 09:00:51,462 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 09:00:51" (1/1) ... [2019-10-22 09:00:51,469 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 09:00:51,525 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 09:00:51,861 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 09:00:51,880 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 09:00:51,974 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 09:00:52,009 INFO L192 MainTranslator]: Completed translation [2019-10-22 09:00:52,010 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:52 WrapperNode [2019-10-22 09:00:52,010 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 09:00:52,011 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 09:00:52,011 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 09:00:52,011 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 09:00:52,019 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:52" (1/1) ... [2019-10-22 09:00:52,037 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:52" (1/1) ... [2019-10-22 09:00:52,154 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 09:00:52,155 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 09:00:52,155 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 09:00:52,155 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 09:00:52,168 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:52" (1/1) ... [2019-10-22 09:00:52,168 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:52" (1/1) ... [2019-10-22 09:00:52,181 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:52" (1/1) ... [2019-10-22 09:00:52,182 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:52" (1/1) ... [2019-10-22 09:00:52,235 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:52" (1/1) ... [2019-10-22 09:00:52,249 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:52" (1/1) ... [2019-10-22 09:00:52,253 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:52" (1/1) ... [2019-10-22 09:00:52,262 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 09:00:52,275 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 09:00:52,275 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 09:00:52,275 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 09:00:52,276 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:52" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4877175d-36ea-4601-85cd-fa2d03673c08/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 09:00:52,332 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 09:00:52,333 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-22 09:00:52,333 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 09:00:52,333 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 09:00:53,814 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 09:00:53,815 INFO L284 CfgBuilder]: Removed 906 assume(true) statements. [2019-10-22 09:00:53,816 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 09:00:53 BoogieIcfgContainer [2019-10-22 09:00:53,816 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 09:00:53,817 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 09:00:53,817 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 09:00:53,820 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 09:00:53,821 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 09:00:51" (1/3) ... [2019-10-22 09:00:53,821 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4787a31a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 09:00:53, skipping insertion in model container [2019-10-22 09:00:53,822 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:52" (2/3) ... [2019-10-22 09:00:53,822 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4787a31a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 09:00:53, skipping insertion in model container [2019-10-22 09:00:53,822 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 09:00:53" (3/3) ... [2019-10-22 09:00:53,824 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec3_productSimulator.cil.c [2019-10-22 09:00:53,833 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 09:00:53,842 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-10-22 09:00:53,849 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-10-22 09:00:53,876 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 09:00:53,877 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-22 09:00:53,877 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 09:00:53,877 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 09:00:53,879 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 09:00:53,879 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 09:00:53,879 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 09:00:53,879 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 09:00:53,903 INFO L276 IsEmpty]: Start isEmpty. Operand 476 states. [2019-10-22 09:00:53,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-10-22 09:00:53,910 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:00:53,911 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] [2019-10-22 09:00:53,913 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 09:00:53,918 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:00:53,919 INFO L82 PathProgramCache]: Analyzing trace with hash 603642961, now seen corresponding path program 1 times [2019-10-22 09:00:53,927 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:00:53,927 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [448940284] [2019-10-22 09:00:53,927 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:53,927 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:53,928 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:00:54,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:00:54,140 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 09:00:54,144 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [448940284] [2019-10-22 09:00:54,145 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:00:54,145 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 09:00:54,146 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1034524805] [2019-10-22 09:00:54,150 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-22 09:00:54,150 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:00:54,163 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-22 09:00:54,164 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-22 09:00:54,166 INFO L87 Difference]: Start difference. First operand 476 states. Second operand 2 states. [2019-10-22 09:00:54,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:00:54,235 INFO L93 Difference]: Finished difference Result 939 states and 1472 transitions. [2019-10-22 09:00:54,236 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-22 09:00:54,237 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 25 [2019-10-22 09:00:54,237 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:00:54,251 INFO L225 Difference]: With dead ends: 939 [2019-10-22 09:00:54,252 INFO L226 Difference]: Without dead ends: 472 [2019-10-22 09:00:54,256 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 09:00:54,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 472 states. [2019-10-22 09:00:54,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 472 to 472. [2019-10-22 09:00:54,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 472 states. [2019-10-22 09:00:54,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 472 states to 472 states and 731 transitions. [2019-10-22 09:00:54,326 INFO L78 Accepts]: Start accepts. Automaton has 472 states and 731 transitions. Word has length 25 [2019-10-22 09:00:54,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:00:54,326 INFO L462 AbstractCegarLoop]: Abstraction has 472 states and 731 transitions. [2019-10-22 09:00:54,326 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-22 09:00:54,327 INFO L276 IsEmpty]: Start isEmpty. Operand 472 states and 731 transitions. [2019-10-22 09:00:54,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-10-22 09:00:54,328 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:00:54,328 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] [2019-10-22 09:00:54,328 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 09:00:54,329 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:00:54,329 INFO L82 PathProgramCache]: Analyzing trace with hash 1179320613, now seen corresponding path program 1 times [2019-10-22 09:00:54,329 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:00:54,329 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [217419631] [2019-10-22 09:00:54,330 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:54,330 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:54,330 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:00:54,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:00:54,456 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 09:00:54,456 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [217419631] [2019-10-22 09:00:54,456 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:00:54,457 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 09:00:54,457 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1812905932] [2019-10-22 09:00:54,458 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 09:00:54,458 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:00:54,459 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 09:00:54,459 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 09:00:54,459 INFO L87 Difference]: Start difference. First operand 472 states and 731 transitions. Second operand 3 states. [2019-10-22 09:00:54,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:00:54,481 INFO L93 Difference]: Finished difference Result 472 states and 731 transitions. [2019-10-22 09:00:54,485 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 09:00:54,486 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2019-10-22 09:00:54,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:00:54,487 INFO L225 Difference]: With dead ends: 472 [2019-10-22 09:00:54,487 INFO L226 Difference]: Without dead ends: 174 [2019-10-22 09:00:54,489 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 09:00:54,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 174 states. [2019-10-22 09:00:54,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 174 to 174. [2019-10-22 09:00:54,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 174 states. [2019-10-22 09:00:54,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 174 states and 266 transitions. [2019-10-22 09:00:54,505 INFO L78 Accepts]: Start accepts. Automaton has 174 states and 266 transitions. Word has length 26 [2019-10-22 09:00:54,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:00:54,505 INFO L462 AbstractCegarLoop]: Abstraction has 174 states and 266 transitions. [2019-10-22 09:00:54,506 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 09:00:54,506 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 266 transitions. [2019-10-22 09:00:54,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-10-22 09:00:54,511 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:00:54,511 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] [2019-10-22 09:00:54,511 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 09:00:54,512 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:00:54,512 INFO L82 PathProgramCache]: Analyzing trace with hash 1733739639, now seen corresponding path program 1 times [2019-10-22 09:00:54,512 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:00:54,512 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1438411830] [2019-10-22 09:00:54,512 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:54,512 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:54,513 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:00:54,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:00:54,664 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 09:00:54,664 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1438411830] [2019-10-22 09:00:54,664 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:00:54,664 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 09:00:54,665 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [373126221] [2019-10-22 09:00:54,665 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 09:00:54,665 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:00:54,665 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 09:00:54,666 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 09:00:54,666 INFO L87 Difference]: Start difference. First operand 174 states and 266 transitions. Second operand 3 states. [2019-10-22 09:00:54,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:00:54,705 INFO L93 Difference]: Finished difference Result 496 states and 772 transitions. [2019-10-22 09:00:54,706 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 09:00:54,707 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 32 [2019-10-22 09:00:54,707 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:00:54,708 INFO L225 Difference]: With dead ends: 496 [2019-10-22 09:00:54,709 INFO L226 Difference]: Without dead ends: 335 [2019-10-22 09:00:54,710 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 09:00:54,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 335 states. [2019-10-22 09:00:54,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 335 to 331. [2019-10-22 09:00:54,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 331 states. [2019-10-22 09:00:54,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 331 states and 514 transitions. [2019-10-22 09:00:54,749 INFO L78 Accepts]: Start accepts. Automaton has 331 states and 514 transitions. Word has length 32 [2019-10-22 09:00:54,750 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:00:54,750 INFO L462 AbstractCegarLoop]: Abstraction has 331 states and 514 transitions. [2019-10-22 09:00:54,750 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 09:00:54,750 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 514 transitions. [2019-10-22 09:00:54,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-10-22 09:00:54,752 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:00:54,752 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] [2019-10-22 09:00:54,752 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 09:00:54,752 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:00:54,752 INFO L82 PathProgramCache]: Analyzing trace with hash -614678817, now seen corresponding path program 1 times [2019-10-22 09:00:54,753 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:00:54,753 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [114249353] [2019-10-22 09:00:54,753 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:54,753 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:54,753 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:00:54,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:00:54,870 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 09:00:54,871 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [114249353] [2019-10-22 09:00:54,871 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:00:54,871 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 09:00:54,871 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2142801513] [2019-10-22 09:00:54,872 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 09:00:54,872 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:00:54,872 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 09:00:54,872 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 09:00:54,872 INFO L87 Difference]: Start difference. First operand 331 states and 514 transitions. Second operand 3 states. [2019-10-22 09:00:54,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:00:54,980 INFO L93 Difference]: Finished difference Result 674 states and 1059 transitions. [2019-10-22 09:00:54,980 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 09:00:54,981 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 35 [2019-10-22 09:00:54,981 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:00:54,982 INFO L225 Difference]: With dead ends: 674 [2019-10-22 09:00:54,982 INFO L226 Difference]: Without dead ends: 356 [2019-10-22 09:00:54,983 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 09:00:54,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 356 states. [2019-10-22 09:00:55,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 356 to 354. [2019-10-22 09:00:55,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 354 states. [2019-10-22 09:00:55,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 354 states and 538 transitions. [2019-10-22 09:00:55,007 INFO L78 Accepts]: Start accepts. Automaton has 354 states and 538 transitions. Word has length 35 [2019-10-22 09:00:55,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:00:55,009 INFO L462 AbstractCegarLoop]: Abstraction has 354 states and 538 transitions. [2019-10-22 09:00:55,009 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 09:00:55,010 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states and 538 transitions. [2019-10-22 09:00:55,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-10-22 09:00:55,011 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:00:55,011 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] [2019-10-22 09:00:55,011 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 09:00:55,011 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:00:55,012 INFO L82 PathProgramCache]: Analyzing trace with hash -227430660, now seen corresponding path program 1 times [2019-10-22 09:00:55,012 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:00:55,012 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [988841283] [2019-10-22 09:00:55,012 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:55,012 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:55,013 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:00:55,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:00:55,125 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 09:00:55,126 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [988841283] [2019-10-22 09:00:55,126 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:00:55,126 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 09:00:55,126 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [323679466] [2019-10-22 09:00:55,127 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 09:00:55,127 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:00:55,127 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 09:00:55,128 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 09:00:55,128 INFO L87 Difference]: Start difference. First operand 354 states and 538 transitions. Second operand 5 states. [2019-10-22 09:00:55,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:00:55,367 INFO L93 Difference]: Finished difference Result 1862 states and 2860 transitions. [2019-10-22 09:00:55,368 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-22 09:00:55,368 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 35 [2019-10-22 09:00:55,368 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:00:55,373 INFO L225 Difference]: With dead ends: 1862 [2019-10-22 09:00:55,374 INFO L226 Difference]: Without dead ends: 1521 [2019-10-22 09:00:55,375 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-10-22 09:00:55,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1521 states. [2019-10-22 09:00:55,408 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1521 to 545. [2019-10-22 09:00:55,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 545 states. [2019-10-22 09:00:55,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 545 states to 545 states and 811 transitions. [2019-10-22 09:00:55,411 INFO L78 Accepts]: Start accepts. Automaton has 545 states and 811 transitions. Word has length 35 [2019-10-22 09:00:55,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:00:55,412 INFO L462 AbstractCegarLoop]: Abstraction has 545 states and 811 transitions. [2019-10-22 09:00:55,412 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 09:00:55,412 INFO L276 IsEmpty]: Start isEmpty. Operand 545 states and 811 transitions. [2019-10-22 09:00:55,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-10-22 09:00:55,413 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:00:55,414 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] [2019-10-22 09:00:55,414 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 09:00:55,414 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:00:55,414 INFO L82 PathProgramCache]: Analyzing trace with hash 223425023, now seen corresponding path program 1 times [2019-10-22 09:00:55,414 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:00:55,414 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1802177375] [2019-10-22 09:00:55,415 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:55,415 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:55,415 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:00:55,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 09:00:56,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 09:00:56,369 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 09:00:56,369 INFO L445 BasicCegarLoop]: Counterexample might be feasible [2019-10-22 09:00:56,453 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 09:00:56 BoogieIcfgContainer [2019-10-22 09:00:56,454 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-22 09:00:56,454 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 09:00:56,454 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 09:00:56,454 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 09:00:56,455 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 09:00:53" (3/4) ... [2019-10-22 09:00:56,457 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-10-22 09:00:56,576 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_4877175d-36ea-4601-85cd-fa2d03673c08/bin/uautomizer/witness.graphml [2019-10-22 09:00:56,576 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 09:00:56,580 INFO L168 Benchmark]: Toolchain (without parser) took 5127.10 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 259.0 MB). Free memory was 940.5 MB in the beginning and 935.4 MB in the end (delta: 5.1 MB). Peak memory consumption was 264.1 MB. Max. memory is 11.5 GB. [2019-10-22 09:00:56,580 INFO L168 Benchmark]: CDTParser took 0.16 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 09:00:56,580 INFO L168 Benchmark]: CACSL2BoogieTranslator took 558.12 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 173.0 MB). Free memory was 940.5 MB in the beginning and 1.1 GB in the end (delta: -202.7 MB). Peak memory consumption was 24.8 MB. Max. memory is 11.5 GB. [2019-10-22 09:00:56,581 INFO L168 Benchmark]: Boogie Procedure Inliner took 143.99 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 15.4 MB). Peak memory consumption was 15.4 MB. Max. memory is 11.5 GB. [2019-10-22 09:00:56,581 INFO L168 Benchmark]: Boogie Preprocessor took 119.40 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: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2019-10-22 09:00:56,581 INFO L168 Benchmark]: RCFGBuilder took 1541.46 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 960.8 MB in the end (delta: 160.1 MB). Peak memory consumption was 160.1 MB. Max. memory is 11.5 GB. [2019-10-22 09:00:56,581 INFO L168 Benchmark]: TraceAbstraction took 2636.49 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 86.0 MB). Free memory was 960.8 MB in the beginning and 954.5 MB in the end (delta: 6.3 MB). Peak memory consumption was 92.3 MB. Max. memory is 11.5 GB. [2019-10-22 09:00:56,582 INFO L168 Benchmark]: Witness Printer took 122.44 ms. Allocated memory is still 1.3 GB. Free memory was 954.5 MB in the beginning and 935.4 MB in the end (delta: 19.1 MB). Peak memory consumption was 19.1 MB. Max. memory is 11.5 GB. [2019-10-22 09:00:56,583 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 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 558.12 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 173.0 MB). Free memory was 940.5 MB in the beginning and 1.1 GB in the end (delta: -202.7 MB). Peak memory consumption was 24.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 143.99 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 15.4 MB). Peak memory consumption was 15.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 119.40 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: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1541.46 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 960.8 MB in the end (delta: 160.1 MB). Peak memory consumption was 160.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2636.49 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 86.0 MB). Free memory was 960.8 MB in the beginning and 954.5 MB in the end (delta: 6.3 MB). Peak memory consumption was 92.3 MB. Max. memory is 11.5 GB. * Witness Printer took 122.44 ms. Allocated memory is still 1.3 GB. Free memory was 954.5 MB in the beginning and 935.4 MB in the end (delta: 19.1 MB). Peak memory consumption was 19.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 1022]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L209] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L406] int cleanupTimeShifts = 4; [L510] int __SELECTED_FEATURE_base ; [L511] int __SELECTED_FEATURE_highWaterSensor ; [L512] int __SELECTED_FEATURE_lowWaterSensor ; [L513] int __SELECTED_FEATURE_methaneQuery ; [L514] int __SELECTED_FEATURE_methaneAlarm ; [L515] int __SELECTED_FEATURE_stopCommand ; [L516] int __SELECTED_FEATURE_startCommand ; [L517] int __GUIDSL_ROOT_PRODUCTION ; [L605] int pumpRunning = 0; [L606] int systemActive = 1; [L1027] int waterLevel = 1; [L1028] int methaneLevelCritical = 0; [L487] int retValue_acc ; [L488] int tmp ; [L968] __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] [L953] __SELECTED_FEATURE_base = 1 [L939] int retValue_acc ; [L940] int choice = __VERIFIER_nondet_int(); [L943] retValue_acc = choice [L944] 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] [L954] __SELECTED_FEATURE_highWaterSensor = select_one() [L939] int retValue_acc ; [L940] int choice = __VERIFIER_nondet_int(); [L943] retValue_acc = choice [L944] return (retValue_acc); VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=17, __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] [L955] __SELECTED_FEATURE_lowWaterSensor = select_one() [L939] int retValue_acc ; [L940] int choice = __VERIFIER_nondet_int(); [L943] retValue_acc = choice [L944] return (retValue_acc); VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=17, __SELECTED_FEATURE_lowWaterSensor=19, __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] [L956] __SELECTED_FEATURE_methaneQuery = select_one() [L939] int retValue_acc ; [L940] int choice = __VERIFIER_nondet_int(); [L943] retValue_acc = choice [L944] return (retValue_acc); VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=17, __SELECTED_FEATURE_lowWaterSensor=19, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=14, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L957] __SELECTED_FEATURE_methaneAlarm = select_one() [L939] int retValue_acc ; [L940] int choice = __VERIFIER_nondet_int(); [L943] retValue_acc = choice [L944] return (retValue_acc); VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=17, __SELECTED_FEATURE_lowWaterSensor=19, __SELECTED_FEATURE_methaneAlarm=22, __SELECTED_FEATURE_methaneQuery=14, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L958] __SELECTED_FEATURE_stopCommand = select_one() [L939] int retValue_acc ; [L940] int choice = __VERIFIER_nondet_int(); [L943] retValue_acc = choice [L944] return (retValue_acc); VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=17, __SELECTED_FEATURE_lowWaterSensor=19, __SELECTED_FEATURE_methaneAlarm=22, __SELECTED_FEATURE_methaneQuery=14, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=23, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L959] __SELECTED_FEATURE_startCommand = select_one() [L973] int retValue_acc ; [L976] retValue_acc = __SELECTED_FEATURE_base [L977] return (retValue_acc); VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=17, __SELECTED_FEATURE_lowWaterSensor=19, __SELECTED_FEATURE_methaneAlarm=22, __SELECTED_FEATURE_methaneQuery=14, __SELECTED_FEATURE_startCommand=20, __SELECTED_FEATURE_stopCommand=23, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L494] tmp = valid_product() [L496] COND TRUE \read(tmp) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=17, __SELECTED_FEATURE_lowWaterSensor=19, __SELECTED_FEATURE_methaneAlarm=22, __SELECTED_FEATURE_methaneQuery=14, __SELECTED_FEATURE_startCommand=20, __SELECTED_FEATURE_stopCommand=23, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L521] int splverifierCounter ; [L522] int tmp ; [L523] int tmp___0 ; [L524] int tmp___1 ; [L525] int tmp___2 ; [L528] splverifierCounter = 0 VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=17, __SELECTED_FEATURE_lowWaterSensor=19, __SELECTED_FEATURE_methaneAlarm=22, __SELECTED_FEATURE_methaneQuery=14, __SELECTED_FEATURE_startCommand=20, __SELECTED_FEATURE_stopCommand=23, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L530] COND TRUE 1 VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=17, __SELECTED_FEATURE_lowWaterSensor=19, __SELECTED_FEATURE_methaneAlarm=22, __SELECTED_FEATURE_methaneQuery=14, __SELECTED_FEATURE_startCommand=20, __SELECTED_FEATURE_stopCommand=23, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L532] COND TRUE splverifierCounter < 4 VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=17, __SELECTED_FEATURE_lowWaterSensor=19, __SELECTED_FEATURE_methaneAlarm=22, __SELECTED_FEATURE_methaneQuery=14, __SELECTED_FEATURE_startCommand=20, __SELECTED_FEATURE_stopCommand=23, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L538] tmp = __VERIFIER_nondet_int() [L540] COND TRUE \read(tmp) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=17, __SELECTED_FEATURE_lowWaterSensor=19, __SELECTED_FEATURE_methaneAlarm=22, __SELECTED_FEATURE_methaneQuery=14, __SELECTED_FEATURE_startCommand=20, __SELECTED_FEATURE_stopCommand=23, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L1045] COND TRUE waterLevel < 2 [L1046] waterLevel = waterLevel + 1 VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=17, __SELECTED_FEATURE_lowWaterSensor=19, __SELECTED_FEATURE_methaneAlarm=22, __SELECTED_FEATURE_methaneQuery=14, __SELECTED_FEATURE_startCommand=20, __SELECTED_FEATURE_stopCommand=23, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L548] tmp___0 = __VERIFIER_nondet_int() [L550] COND FALSE !(\read(tmp___0)) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=17, __SELECTED_FEATURE_lowWaterSensor=19, __SELECTED_FEATURE_methaneAlarm=22, __SELECTED_FEATURE_methaneQuery=14, __SELECTED_FEATURE_startCommand=20, __SELECTED_FEATURE_stopCommand=23, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L558] tmp___2 = __VERIFIER_nondet_int() [L560] COND FALSE !(\read(tmp___2)) [L570] tmp___1 = __VERIFIER_nondet_int() [L572] COND TRUE \read(tmp___1) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=17, __SELECTED_FEATURE_lowWaterSensor=19, __SELECTED_FEATURE_methaneAlarm=22, __SELECTED_FEATURE_methaneQuery=14, __SELECTED_FEATURE_startCommand=20, __SELECTED_FEATURE_stopCommand=23, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L573] COND TRUE \read(__SELECTED_FEATURE_stopCommand) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=17, __SELECTED_FEATURE_lowWaterSensor=19, __SELECTED_FEATURE_methaneAlarm=22, __SELECTED_FEATURE_methaneQuery=14, __SELECTED_FEATURE_startCommand=20, __SELECTED_FEATURE_stopCommand=23, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L917] COND FALSE !(\read(pumpRunning)) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=17, __SELECTED_FEATURE_lowWaterSensor=19, __SELECTED_FEATURE_methaneAlarm=22, __SELECTED_FEATURE_methaneQuery=14, __SELECTED_FEATURE_startCommand=20, __SELECTED_FEATURE_stopCommand=23, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L924] systemActive = 0 VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=17, __SELECTED_FEATURE_lowWaterSensor=19, __SELECTED_FEATURE_methaneAlarm=22, __SELECTED_FEATURE_methaneQuery=14, __SELECTED_FEATURE_startCommand=20, __SELECTED_FEATURE_stopCommand=23, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L613] COND FALSE !(\read(pumpRunning)) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=17, __SELECTED_FEATURE_lowWaterSensor=19, __SELECTED_FEATURE_methaneAlarm=22, __SELECTED_FEATURE_methaneQuery=14, __SELECTED_FEATURE_startCommand=20, __SELECTED_FEATURE_stopCommand=23, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L620] COND FALSE !(\read(systemActive)) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=17, __SELECTED_FEATURE_lowWaterSensor=19, __SELECTED_FEATURE_methaneAlarm=22, __SELECTED_FEATURE_methaneQuery=14, __SELECTED_FEATURE_startCommand=20, __SELECTED_FEATURE_stopCommand=23, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L985] int tmp ; [L986] int tmp___0 ; [L987] int tmp___1 ; [L1066] int retValue_acc ; [L1069] retValue_acc = methaneLevelCritical [L1070] return (retValue_acc); VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=17, __SELECTED_FEATURE_lowWaterSensor=19, __SELECTED_FEATURE_methaneAlarm=22, __SELECTED_FEATURE_methaneQuery=14, __SELECTED_FEATURE_startCommand=20, __SELECTED_FEATURE_stopCommand=23, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L991] tmp = isMethaneLevelCritical() [L993] COND FALSE !(\read(tmp)) [L1098] int retValue_acc ; [L1101] retValue_acc = waterLevel [L1102] return (retValue_acc); VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=17, __SELECTED_FEATURE_lowWaterSensor=19, __SELECTED_FEATURE_methaneAlarm=22, __SELECTED_FEATURE_methaneQuery=14, __SELECTED_FEATURE_startCommand=20, __SELECTED_FEATURE_stopCommand=23, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L997] tmp___0 = getWaterLevel() [L999] COND TRUE tmp___0 == 2 [L831] int retValue_acc ; [L834] retValue_acc = pumpRunning [L835] return (retValue_acc); VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=17, __SELECTED_FEATURE_lowWaterSensor=19, __SELECTED_FEATURE_methaneAlarm=22, __SELECTED_FEATURE_methaneQuery=14, __SELECTED_FEATURE_startCommand=20, __SELECTED_FEATURE_stopCommand=23, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L1001] tmp___1 = isPumpRunning() [L1003] COND FALSE !(\read(tmp___1)) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=17, __SELECTED_FEATURE_lowWaterSensor=19, __SELECTED_FEATURE_methaneAlarm=22, __SELECTED_FEATURE_methaneQuery=14, __SELECTED_FEATURE_startCommand=20, __SELECTED_FEATURE_stopCommand=23, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L1022] __VERIFIER_error() VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=17, __SELECTED_FEATURE_lowWaterSensor=19, __SELECTED_FEATURE_methaneAlarm=22, __SELECTED_FEATURE_methaneQuery=14, __SELECTED_FEATURE_startCommand=20, __SELECTED_FEATURE_stopCommand=23, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 476 locations, 3 error locations. Result: UNSAFE, OverallTime: 2.5s, OverallIterations: 6, TraceHistogramMax: 1, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 1935 SDtfs, 1679 SDslu, 1374 SDs, 0 SdLazy, 131 SolverSat, 36 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 16 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=545occurred in iteration=5, 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, 5 MinimizatonAttempts, 982 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 189 NumberOfCodeBlocks, 189 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 148 ConstructedInterpolants, 0 QuantifiedInterpolants, 9672 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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...