./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product11.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_5626d4cb-4012-4380-851c-6624f711e9c7/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_5626d4cb-4012-4380-851c-6624f711e9c7/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_5626d4cb-4012-4380-851c-6624f711e9c7/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_5626d4cb-4012-4380-851c-6624f711e9c7/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product11.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_5626d4cb-4012-4380-851c-6624f711e9c7/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_5626d4cb-4012-4380-851c-6624f711e9c7/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 914cee364693da399a9c2543bf5dbcba9bd2afd1 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-10-22 09:02:41,998 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 09:02:42,000 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 09:02:42,009 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 09:02:42,010 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 09:02:42,010 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 09:02:42,011 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 09:02:42,012 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 09:02:42,013 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 09:02:42,014 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 09:02:42,014 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 09:02:42,015 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 09:02:42,015 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 09:02:42,016 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 09:02:42,017 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 09:02:42,018 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 09:02:42,018 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 09:02:42,019 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 09:02:42,020 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 09:02:42,022 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 09:02:42,023 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 09:02:42,024 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 09:02:42,025 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 09:02:42,025 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 09:02:42,027 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 09:02:42,032 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 09:02:42,032 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 09:02:42,033 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 09:02:42,033 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 09:02:42,034 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 09:02:42,034 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 09:02:42,035 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 09:02:42,035 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 09:02:42,036 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 09:02:42,037 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 09:02:42,037 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 09:02:42,037 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 09:02:42,040 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 09:02:42,041 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 09:02:42,041 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 09:02:42,042 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 09:02:42,043 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_5626d4cb-4012-4380-851c-6624f711e9c7/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-22 09:02:42,062 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 09:02:42,062 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 09:02:42,063 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 09:02:42,063 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 09:02:42,063 INFO L138 SettingsManager]: * Use SBE=true [2019-10-22 09:02:42,064 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 09:02:42,064 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 09:02:42,064 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 09:02:42,064 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 09:02:42,064 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 09:02:42,064 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 09:02:42,064 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 09:02:42,065 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 09:02:42,065 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 09:02:42,065 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 09:02:42,065 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 09:02:42,065 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 09:02:42,065 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 09:02:42,065 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 09:02:42,066 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 09:02:42,066 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 09:02:42,066 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 09:02:42,066 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 09:02:42,067 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 09:02:42,067 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 09:02:42,067 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-22 09:02:42,067 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 09:02:42,067 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 09:02:42,067 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_5626d4cb-4012-4380-851c-6624f711e9c7/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 -> 914cee364693da399a9c2543bf5dbcba9bd2afd1 [2019-10-22 09:02:42,090 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 09:02:42,102 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 09:02:42,105 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 09:02:42,106 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 09:02:42,107 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 09:02:42,107 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_5626d4cb-4012-4380-851c-6624f711e9c7/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec4_product11.cil.c [2019-10-22 09:02:42,156 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_5626d4cb-4012-4380-851c-6624f711e9c7/bin/uautomizer/data/e85a0e89f/a9ee5a78db0d4d5682ad7cf08f844c8b/FLAGfe55fab14 [2019-10-22 09:02:42,550 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 09:02:42,550 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_5626d4cb-4012-4380-851c-6624f711e9c7/sv-benchmarks/c/product-lines/minepump_spec4_product11.cil.c [2019-10-22 09:02:42,559 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_5626d4cb-4012-4380-851c-6624f711e9c7/bin/uautomizer/data/e85a0e89f/a9ee5a78db0d4d5682ad7cf08f844c8b/FLAGfe55fab14 [2019-10-22 09:02:42,570 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_5626d4cb-4012-4380-851c-6624f711e9c7/bin/uautomizer/data/e85a0e89f/a9ee5a78db0d4d5682ad7cf08f844c8b [2019-10-22 09:02:42,572 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 09:02:42,573 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 09:02:42,573 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 09:02:42,573 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 09:02:42,576 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 09:02:42,577 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 09:02:42" (1/1) ... [2019-10-22 09:02:42,579 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46020af8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:42, skipping insertion in model container [2019-10-22 09:02:42,579 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 09:02:42" (1/1) ... [2019-10-22 09:02:42,586 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 09:02:42,635 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 09:02:43,000 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 09:02:43,015 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 09:02:43,075 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 09:02:43,099 INFO L192 MainTranslator]: Completed translation [2019-10-22 09:02:43,099 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:43 WrapperNode [2019-10-22 09:02:43,100 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 09:02:43,100 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 09:02:43,100 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 09:02:43,101 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 09:02:43,108 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:43" (1/1) ... [2019-10-22 09:02:43,123 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:43" (1/1) ... [2019-10-22 09:02:43,153 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 09:02:43,153 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 09:02:43,154 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 09:02:43,154 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 09:02:43,166 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:43" (1/1) ... [2019-10-22 09:02:43,166 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:43" (1/1) ... [2019-10-22 09:02:43,169 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:43" (1/1) ... [2019-10-22 09:02:43,169 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:43" (1/1) ... [2019-10-22 09:02:43,185 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:43" (1/1) ... [2019-10-22 09:02:43,189 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:43" (1/1) ... [2019-10-22 09:02:43,191 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:43" (1/1) ... [2019-10-22 09:02:43,193 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 09:02:43,194 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 09:02:43,194 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 09:02:43,194 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 09:02:43,195 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:43" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5626d4cb-4012-4380-851c-6624f711e9c7/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 09:02:43,245 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 09:02:43,245 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-22 09:02:43,245 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 09:02:43,245 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 09:02:43,856 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 09:02:43,856 INFO L284 CfgBuilder]: Removed 70 assume(true) statements. [2019-10-22 09:02:43,858 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 09:02:43 BoogieIcfgContainer [2019-10-22 09:02:43,858 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 09:02:43,859 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 09:02:43,859 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 09:02:43,861 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 09:02:43,862 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 09:02:42" (1/3) ... [2019-10-22 09:02:43,863 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37b77409 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 09:02:43, skipping insertion in model container [2019-10-22 09:02:43,864 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:43" (2/3) ... [2019-10-22 09:02:43,864 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37b77409 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 09:02:43, skipping insertion in model container [2019-10-22 09:02:43,864 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 09:02:43" (3/3) ... [2019-10-22 09:02:43,866 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product11.cil.c [2019-10-22 09:02:43,874 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 09:02:43,881 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-10-22 09:02:43,893 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-10-22 09:02:43,925 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 09:02:43,925 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-22 09:02:43,925 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 09:02:43,925 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 09:02:43,926 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 09:02:43,926 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 09:02:43,927 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 09:02:43,927 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 09:02:43,944 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states. [2019-10-22 09:02:43,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-10-22 09:02:43,951 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:02:43,952 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:02:43,956 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 09:02:43,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:02:43,961 INFO L82 PathProgramCache]: Analyzing trace with hash 1256308090, now seen corresponding path program 1 times [2019-10-22 09:02:43,969 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:02:43,970 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1297087821] [2019-10-22 09:02:43,970 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:43,970 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:43,971 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:02:44,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:02:44,186 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 09:02:44,187 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1297087821] [2019-10-22 09:02:44,188 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:02:44,189 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 09:02:44,189 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1293571517] [2019-10-22 09:02:44,193 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-22 09:02:44,194 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:02:44,205 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-22 09:02:44,206 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-22 09:02:44,207 INFO L87 Difference]: Start difference. First operand 59 states. Second operand 2 states. [2019-10-22 09:02:44,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:02:44,225 INFO L93 Difference]: Finished difference Result 112 states and 167 transitions. [2019-10-22 09:02:44,226 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-22 09:02:44,227 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2019-10-22 09:02:44,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:02:44,238 INFO L225 Difference]: With dead ends: 112 [2019-10-22 09:02:44,238 INFO L226 Difference]: Without dead ends: 55 [2019-10-22 09:02:44,240 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 09:02:44,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2019-10-22 09:02:44,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2019-10-22 09:02:44,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2019-10-22 09:02:44,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 75 transitions. [2019-10-22 09:02:44,274 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 75 transitions. Word has length 16 [2019-10-22 09:02:44,274 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:02:44,275 INFO L462 AbstractCegarLoop]: Abstraction has 55 states and 75 transitions. [2019-10-22 09:02:44,275 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-22 09:02:44,275 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 75 transitions. [2019-10-22 09:02:44,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-10-22 09:02:44,276 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:02:44,276 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:02:44,276 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 09:02:44,276 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:02:44,276 INFO L82 PathProgramCache]: Analyzing trace with hash 209551193, now seen corresponding path program 1 times [2019-10-22 09:02:44,277 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:02:44,277 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [819973184] [2019-10-22 09:02:44,277 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:44,277 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:44,277 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:02:44,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:02:44,377 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 09:02:44,377 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [819973184] [2019-10-22 09:02:44,378 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:02:44,378 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 09:02:44,378 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1344162966] [2019-10-22 09:02:44,380 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 09:02:44,380 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:02:44,380 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 09:02:44,380 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 09:02:44,380 INFO L87 Difference]: Start difference. First operand 55 states and 75 transitions. Second operand 3 states. [2019-10-22 09:02:44,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:02:44,388 INFO L93 Difference]: Finished difference Result 55 states and 75 transitions. [2019-10-22 09:02:44,389 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 09:02:44,389 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2019-10-22 09:02:44,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:02:44,390 INFO L225 Difference]: With dead ends: 55 [2019-10-22 09:02:44,390 INFO L226 Difference]: Without dead ends: 29 [2019-10-22 09:02:44,390 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 09:02:44,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2019-10-22 09:02:44,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2019-10-22 09:02:44,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2019-10-22 09:02:44,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 40 transitions. [2019-10-22 09:02:44,395 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 40 transitions. Word has length 17 [2019-10-22 09:02:44,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:02:44,395 INFO L462 AbstractCegarLoop]: Abstraction has 29 states and 40 transitions. [2019-10-22 09:02:44,395 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 09:02:44,395 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 40 transitions. [2019-10-22 09:02:44,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-10-22 09:02:44,396 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:02:44,396 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] [2019-10-22 09:02:44,396 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 09:02:44,396 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:02:44,397 INFO L82 PathProgramCache]: Analyzing trace with hash 474467475, now seen corresponding path program 1 times [2019-10-22 09:02:44,397 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:02:44,397 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1930939258] [2019-10-22 09:02:44,397 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:44,397 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:44,397 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:02:44,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:02:44,478 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 09:02:44,479 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1930939258] [2019-10-22 09:02:44,479 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:02:44,479 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-22 09:02:44,479 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [200523950] [2019-10-22 09:02:44,480 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-22 09:02:44,480 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:02:44,480 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-22 09:02:44,480 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-10-22 09:02:44,480 INFO L87 Difference]: Start difference. First operand 29 states and 40 transitions. Second operand 6 states. [2019-10-22 09:02:44,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:02:44,588 INFO L93 Difference]: Finished difference Result 98 states and 142 transitions. [2019-10-22 09:02:44,588 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-22 09:02:44,588 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 22 [2019-10-22 09:02:44,589 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:02:44,591 INFO L225 Difference]: With dead ends: 98 [2019-10-22 09:02:44,591 INFO L226 Difference]: Without dead ends: 75 [2019-10-22 09:02:44,591 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-10-22 09:02:44,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2019-10-22 09:02:44,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 48. [2019-10-22 09:02:44,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2019-10-22 09:02:44,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 69 transitions. [2019-10-22 09:02:44,600 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 69 transitions. Word has length 22 [2019-10-22 09:02:44,601 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:02:44,601 INFO L462 AbstractCegarLoop]: Abstraction has 48 states and 69 transitions. [2019-10-22 09:02:44,601 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-22 09:02:44,601 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 69 transitions. [2019-10-22 09:02:44,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-10-22 09:02:44,601 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:02:44,602 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] [2019-10-22 09:02:44,602 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 09:02:44,602 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:02:44,602 INFO L82 PathProgramCache]: Analyzing trace with hash 2106923728, now seen corresponding path program 1 times [2019-10-22 09:02:44,603 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:02:44,603 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1420525386] [2019-10-22 09:02:44,603 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:44,603 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:44,603 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:02:44,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:02:44,684 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 09:02:44,685 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1420525386] [2019-10-22 09:02:44,685 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:02:44,685 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-22 09:02:44,685 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1506141417] [2019-10-22 09:02:44,685 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-22 09:02:44,686 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:02:44,686 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-22 09:02:44,686 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2019-10-22 09:02:44,686 INFO L87 Difference]: Start difference. First operand 48 states and 69 transitions. Second operand 8 states. [2019-10-22 09:02:44,943 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:02:44,943 INFO L93 Difference]: Finished difference Result 281 states and 435 transitions. [2019-10-22 09:02:44,943 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-10-22 09:02:44,944 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 22 [2019-10-22 09:02:44,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:02:44,945 INFO L225 Difference]: With dead ends: 281 [2019-10-22 09:02:44,945 INFO L226 Difference]: Without dead ends: 239 [2019-10-22 09:02:44,946 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=71, Invalid=169, Unknown=0, NotChecked=0, Total=240 [2019-10-22 09:02:44,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 239 states. [2019-10-22 09:02:44,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 239 to 118. [2019-10-22 09:02:44,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 118 states. [2019-10-22 09:02:44,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 169 transitions. [2019-10-22 09:02:44,961 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 169 transitions. Word has length 22 [2019-10-22 09:02:44,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:02:44,961 INFO L462 AbstractCegarLoop]: Abstraction has 118 states and 169 transitions. [2019-10-22 09:02:44,961 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-22 09:02:44,961 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 169 transitions. [2019-10-22 09:02:44,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-10-22 09:02:44,962 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:02:44,962 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 09:02:44,962 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 09:02:44,963 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:02:44,963 INFO L82 PathProgramCache]: Analyzing trace with hash -473529446, now seen corresponding path program 1 times [2019-10-22 09:02:44,963 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:02:44,963 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [483983073] [2019-10-22 09:02:44,963 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:44,963 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:44,963 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:02:44,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:02:45,025 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 09:02:45,025 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [483983073] [2019-10-22 09:02:45,026 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:02:45,026 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 09:02:45,026 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1852923245] [2019-10-22 09:02:45,026 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 09:02:45,027 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:02:45,027 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 09:02:45,027 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 09:02:45,027 INFO L87 Difference]: Start difference. First operand 118 states and 169 transitions. Second operand 3 states. [2019-10-22 09:02:45,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:02:45,045 INFO L93 Difference]: Finished difference Result 224 states and 322 transitions. [2019-10-22 09:02:45,045 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 09:02:45,045 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 23 [2019-10-22 09:02:45,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:02:45,046 INFO L225 Difference]: With dead ends: 224 [2019-10-22 09:02:45,046 INFO L226 Difference]: Without dead ends: 112 [2019-10-22 09:02:45,047 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 09:02:45,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2019-10-22 09:02:45,059 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 112. [2019-10-22 09:02:45,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 112 states. [2019-10-22 09:02:45,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 150 transitions. [2019-10-22 09:02:45,061 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 150 transitions. Word has length 23 [2019-10-22 09:02:45,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:02:45,061 INFO L462 AbstractCegarLoop]: Abstraction has 112 states and 150 transitions. [2019-10-22 09:02:45,061 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 09:02:45,062 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 150 transitions. [2019-10-22 09:02:45,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-10-22 09:02:45,063 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:02:45,063 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:02:45,063 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 09:02:45,063 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:02:45,064 INFO L82 PathProgramCache]: Analyzing trace with hash 718124842, now seen corresponding path program 1 times [2019-10-22 09:02:45,064 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:02:45,064 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1994875480] [2019-10-22 09:02:45,064 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:45,064 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:45,064 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:02:45,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:02:45,160 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-10-22 09:02:45,161 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1994875480] [2019-10-22 09:02:45,161 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:02:45,161 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 09:02:45,161 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1889795736] [2019-10-22 09:02:45,163 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 09:02:45,163 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:02:45,163 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 09:02:45,164 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 09:02:45,164 INFO L87 Difference]: Start difference. First operand 112 states and 150 transitions. Second operand 5 states. [2019-10-22 09:02:45,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:02:45,236 INFO L93 Difference]: Finished difference Result 228 states and 314 transitions. [2019-10-22 09:02:45,237 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-22 09:02:45,237 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 37 [2019-10-22 09:02:45,237 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:02:45,238 INFO L225 Difference]: With dead ends: 228 [2019-10-22 09:02:45,238 INFO L226 Difference]: Without dead ends: 0 [2019-10-22 09:02:45,239 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 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 09:02:45,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-22 09:02:45,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-22 09:02:45,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-22 09:02:45,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-22 09:02:45,239 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 37 [2019-10-22 09:02:45,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:02:45,240 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 09:02:45,240 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 09:02:45,240 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-22 09:02:45,240 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-22 09:02:45,247 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-22 09:02:45,508 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-10-22 09:02:45,508 INFO L439 ceAbstractionStarter]: At program point L863(lines 1 874) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-10-22 09:02:45,509 INFO L443 ceAbstractionStarter]: For program point L302(lines 302 306) no Hoare annotation was computed. [2019-10-22 09:02:45,509 INFO L443 ceAbstractionStarter]: For program point L302-3(lines 302 306) no Hoare annotation was computed. [2019-10-22 09:02:45,509 INFO L443 ceAbstractionStarter]: For program point L302-6(lines 302 306) no Hoare annotation was computed. [2019-10-22 09:02:45,509 INFO L443 ceAbstractionStarter]: For program point L187(lines 187 193) no Hoare annotation was computed. [2019-10-22 09:02:45,509 INFO L439 ceAbstractionStarter]: At program point L187-1(lines 187 193) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 09:02:45,509 INFO L439 ceAbstractionStarter]: At program point L435(lines 431 437) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~3 ~systemActive~0) (= 1 ~waterLevel~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_main_~tmp~3 ~waterLevel~0)) [2019-10-22 09:02:45,509 INFO L439 ceAbstractionStarter]: At program point L73(lines 73 79) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 09:02:45,509 INFO L439 ceAbstractionStarter]: At program point L73-1(lines 73 79) the Hoare annotation is: false [2019-10-22 09:02:45,510 INFO L439 ceAbstractionStarter]: At program point L73-2(lines 73 79) the Hoare annotation is: false [2019-10-22 09:02:45,510 INFO L439 ceAbstractionStarter]: At program point L387-2(lines 387 401) the Hoare annotation is: false [2019-10-22 09:02:45,510 INFO L443 ceAbstractionStarter]: For program point L222(lines 222 228) no Hoare annotation was computed. [2019-10-22 09:02:45,510 INFO L439 ceAbstractionStarter]: At program point L222-1(lines 222 228) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 09:02:45,510 INFO L446 ceAbstractionStarter]: At program point L470(lines 451 473) the Hoare annotation is: true [2019-10-22 09:02:45,510 INFO L439 ceAbstractionStarter]: At program point L371(lines 366 374) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 09:02:45,510 INFO L439 ceAbstractionStarter]: At program point L371-1(lines 366 374) the Hoare annotation is: false [2019-10-22 09:02:45,510 INFO L439 ceAbstractionStarter]: At program point L371-2(lines 366 374) the Hoare annotation is: false [2019-10-22 09:02:45,511 INFO L443 ceAbstractionStarter]: For program point L388(line 388) no Hoare annotation was computed. [2019-10-22 09:02:45,511 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-22 09:02:45,511 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-10-22 09:02:45,511 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-10-22 09:02:45,511 INFO L443 ceAbstractionStarter]: For program point L242(lines 242 255) no Hoare annotation was computed. [2019-10-22 09:02:45,511 INFO L439 ceAbstractionStarter]: At program point L143(lines 138 146) the Hoare annotation is: (and (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 09:02:45,511 INFO L439 ceAbstractionStarter]: At program point L143-1(lines 138 146) the Hoare annotation is: false [2019-10-22 09:02:45,512 INFO L439 ceAbstractionStarter]: At program point L143-2(lines 138 146) the Hoare annotation is: false [2019-10-22 09:02:45,512 INFO L443 ceAbstractionStarter]: For program point L44(line 44) no Hoare annotation was computed. [2019-10-22 09:02:45,512 INFO L443 ceAbstractionStarter]: For program point L44-1(line 44) no Hoare annotation was computed. [2019-10-22 09:02:45,512 INFO L443 ceAbstractionStarter]: For program point L44-2(line 44) no Hoare annotation was computed. [2019-10-22 09:02:45,512 INFO L443 ceAbstractionStarter]: For program point L391(lines 391 395) no Hoare annotation was computed. [2019-10-22 09:02:45,512 INFO L443 ceAbstractionStarter]: For program point L391-1(lines 66 72) no Hoare annotation was computed. [2019-10-22 09:02:45,512 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-22 09:02:45,512 INFO L439 ceAbstractionStarter]: At program point L871(lines 866 874) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) (= 1 ~waterLevel~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~pumpRunning~0 0)) [2019-10-22 09:02:45,512 INFO L443 ceAbstractionStarter]: For program point L326(lines 326 330) no Hoare annotation was computed. [2019-10-22 09:02:45,513 INFO L439 ceAbstractionStarter]: At program point L260(lines 211 261) the Hoare annotation is: false [2019-10-22 09:02:45,513 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-10-22 09:02:45,513 INFO L443 ceAbstractionStarter]: For program point L278(lines 278 291) no Hoare annotation was computed. [2019-10-22 09:02:45,513 INFO L439 ceAbstractionStarter]: At program point L278-1(lines 1 874) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 09:02:45,513 INFO L443 ceAbstractionStarter]: For program point L278-2(lines 278 291) no Hoare annotation was computed. [2019-10-22 09:02:45,513 INFO L439 ceAbstractionStarter]: At program point L278-3(lines 1 874) the Hoare annotation is: false [2019-10-22 09:02:45,513 INFO L443 ceAbstractionStarter]: For program point L278-4(lines 278 291) no Hoare annotation was computed. [2019-10-22 09:02:45,513 INFO L439 ceAbstractionStarter]: At program point L278-5(lines 1 874) the Hoare annotation is: false [2019-10-22 09:02:45,513 INFO L443 ceAbstractionStarter]: For program point L213(lines 212 259) no Hoare annotation was computed. [2019-10-22 09:02:45,519 INFO L443 ceAbstractionStarter]: For program point L461(lines 461 468) no Hoare annotation was computed. [2019-10-22 09:02:45,519 INFO L446 ceAbstractionStarter]: At program point L461-1(lines 461 468) the Hoare annotation is: true [2019-10-22 09:02:45,519 INFO L443 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-10-22 09:02:45,520 INFO L443 ceAbstractionStarter]: For program point L214(lines 214 218) no Hoare annotation was computed. [2019-10-22 09:02:45,520 INFO L439 ceAbstractionStarter]: At program point L66(lines 65 84) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 09:02:45,520 INFO L443 ceAbstractionStarter]: For program point L66-1(lines 66 72) no Hoare annotation was computed. [2019-10-22 09:02:45,520 INFO L439 ceAbstractionStarter]: At program point L66-2(lines 65 84) the Hoare annotation is: false [2019-10-22 09:02:45,520 INFO L439 ceAbstractionStarter]: At program point L66-3(lines 65 84) the Hoare annotation is: false [2019-10-22 09:02:45,520 INFO L443 ceAbstractionStarter]: For program point L314(lines 314 318) no Hoare annotation was computed. [2019-10-22 09:02:45,520 INFO L443 ceAbstractionStarter]: For program point L248(lines 248 254) no Hoare annotation was computed. [2019-10-22 09:02:45,521 INFO L439 ceAbstractionStarter]: At program point L248-1(lines 66 72) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 09:02:45,521 INFO L443 ceAbstractionStarter]: For program point L232(lines 232 238) no Hoare annotation was computed. [2019-10-22 09:02:45,521 INFO L439 ceAbstractionStarter]: At program point L232-1(lines 232 238) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 09:02:45,521 INFO L443 ceAbstractionStarter]: For program point L282(lines 282 288) no Hoare annotation was computed. [2019-10-22 09:02:45,521 INFO L443 ceAbstractionStarter]: For program point L282-2(lines 282 288) no Hoare annotation was computed. [2019-10-22 09:02:45,521 INFO L443 ceAbstractionStarter]: For program point L282-4(lines 282 288) no Hoare annotation was computed. [2019-10-22 09:02:45,535 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 09:02:45 BoogieIcfgContainer [2019-10-22 09:02:45,536 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-22 09:02:45,536 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 09:02:45,536 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 09:02:45,536 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 09:02:45,537 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 09:02:43" (3/4) ... [2019-10-22 09:02:45,543 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-10-22 09:02:45,557 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-10-22 09:02:45,557 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2019-10-22 09:02:45,559 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-10-22 09:02:45,559 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-10-22 09:02:45,559 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-10-22 09:02:45,559 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-10-22 09:02:45,588 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\result == waterLevel && 1 == waterLevel) && \result == systemActive) && pumpRunning == 0 [2019-10-22 09:02:45,588 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((tmp == systemActive && 1 == waterLevel) && \result == systemActive) && pumpRunning == 0) && tmp == waterLevel [2019-10-22 09:02:45,592 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\result == 0 && pumpRunning == 0) && 0 == splverifierCounter [2019-10-22 09:02:45,641 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_5626d4cb-4012-4380-851c-6624f711e9c7/bin/uautomizer/witness.graphml [2019-10-22 09:02:45,641 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 09:02:45,645 INFO L168 Benchmark]: Toolchain (without parser) took 3071.43 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.8 MB). Free memory was 944.7 MB in the beginning and 878.8 MB in the end (delta: 65.9 MB). Peak memory consumption was 201.7 MB. Max. memory is 11.5 GB. [2019-10-22 09:02:45,645 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 09:02:45,646 INFO L168 Benchmark]: CACSL2BoogieTranslator took 526.59 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.8 MB). Free memory was 939.4 MB in the beginning and 1.1 GB in the end (delta: -180.3 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. [2019-10-22 09:02:45,646 INFO L168 Benchmark]: Boogie Procedure Inliner took 52.96 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 09:02:45,646 INFO L168 Benchmark]: Boogie Preprocessor took 40.27 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 09:02:45,646 INFO L168 Benchmark]: RCFGBuilder took 663.92 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: 50.6 MB). Peak memory consumption was 50.6 MB. Max. memory is 11.5 GB. [2019-10-22 09:02:45,647 INFO L168 Benchmark]: TraceAbstraction took 1677.20 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 884.2 MB in the end (delta: 178.2 MB). Peak memory consumption was 178.2 MB. Max. memory is 11.5 GB. [2019-10-22 09:02:45,647 INFO L168 Benchmark]: Witness Printer took 105.17 ms. Allocated memory is still 1.2 GB. Free memory was 884.2 MB in the beginning and 878.8 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-10-22 09:02:45,649 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 526.59 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.8 MB). Free memory was 939.4 MB in the beginning and 1.1 GB in the end (delta: -180.3 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 52.96 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 40.27 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 663.92 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: 50.6 MB). Peak memory consumption was 50.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1677.20 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 884.2 MB in the end (delta: 178.2 MB). Peak memory consumption was 178.2 MB. Max. memory is 11.5 GB. * Witness Printer took 105.17 ms. Allocated memory is still 1.2 GB. Free memory was 884.2 MB in the beginning and 878.8 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 232]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 73]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 387]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 73]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 73]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 431]: Loop Invariant Derived loop invariant: (((tmp == systemActive && 1 == waterLevel) && \result == systemActive) && pumpRunning == 0) && tmp == waterLevel - InvariantResult [Line: 366]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 366]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 66]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 366]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 138]: Loop Invariant Derived loop invariant: (\result == 0 && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 187]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 461]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 451]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 222]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (1 == systemActive && 1 == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 65]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 65]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 866]: Loop Invariant Derived loop invariant: ((\result == waterLevel && 1 == waterLevel) && \result == systemActive) && pumpRunning == 0 - InvariantResult [Line: 65]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 138]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 138]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 211]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 59 locations, 3 error locations. Result: SAFE, OverallTime: 1.5s, OverallIterations: 6, TraceHistogramMax: 2, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, HoareTripleCheckerStatistics: 294 SDtfs, 540 SDslu, 560 SDs, 0 SdLazy, 117 SolverSat, 18 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 35 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=118occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 6 MinimizatonAttempts, 148 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 26 LocationsWithAnnotation, 26 PreInvPairs, 129 NumberOfFragments, 119 HoareAnnotationTreeSize, 26 FomulaSimplifications, 5859 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 26 FomulaSimplificationsInter, 9 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 137 NumberOfCodeBlocks, 137 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 131 ConstructedInterpolants, 0 QuantifiedInterpolants, 8254 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 14/14 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...