./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product59.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_b38ba0f1-c1d9-43fb-88e6-f81290c49801/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_b38ba0f1-c1d9-43fb-88e6-f81290c49801/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_b38ba0f1-c1d9-43fb-88e6-f81290c49801/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_b38ba0f1-c1d9-43fb-88e6-f81290c49801/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product59.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_b38ba0f1-c1d9-43fb-88e6-f81290c49801/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_b38ba0f1-c1d9-43fb-88e6-f81290c49801/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 5a35b365de7365eb1088366c2b8165f4a523d787 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-20 05:44:00,187 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 05:44:00,189 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 05:44:00,202 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 05:44:00,202 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 05:44:00,203 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 05:44:00,204 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 05:44:00,206 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 05:44:00,218 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 05:44:00,219 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 05:44:00,220 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 05:44:00,221 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 05:44:00,221 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 05:44:00,222 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 05:44:00,223 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 05:44:00,224 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 05:44:00,225 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 05:44:00,225 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 05:44:00,227 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 05:44:00,229 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 05:44:00,236 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 05:44:00,240 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 05:44:00,244 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 05:44:00,245 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 05:44:00,250 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 05:44:00,251 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 05:44:00,251 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 05:44:00,253 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 05:44:00,253 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 05:44:00,255 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 05:44:00,255 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 05:44:00,256 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 05:44:00,256 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 05:44:00,257 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 05:44:00,258 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 05:44:00,258 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 05:44:00,258 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 05:44:00,259 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 05:44:00,259 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 05:44:00,260 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 05:44:00,261 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 05:44:00,262 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_b38ba0f1-c1d9-43fb-88e6-f81290c49801/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-20 05:44:00,280 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 05:44:00,281 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 05:44:00,282 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 05:44:00,282 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 05:44:00,282 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 05:44:00,282 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 05:44:00,283 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 05:44:00,283 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 05:44:00,283 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 05:44:00,283 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 05:44:00,284 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 05:44:00,284 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 05:44:00,284 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 05:44:00,284 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 05:44:00,284 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 05:44:00,285 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 05:44:00,285 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 05:44:00,285 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 05:44:00,285 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 05:44:00,286 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 05:44:00,286 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-20 05:44:00,286 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-20 05:44:00,286 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 05:44:00,286 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 05:44:00,287 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 05:44:00,287 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-20 05:44:00,287 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-20 05:44:00,287 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 05:44:00,288 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_b38ba0f1-c1d9-43fb-88e6-f81290c49801/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 -> 5a35b365de7365eb1088366c2b8165f4a523d787 [2019-11-20 05:44:00,428 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 05:44:00,438 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 05:44:00,441 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 05:44:00,442 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 05:44:00,442 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 05:44:00,443 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_b38ba0f1-c1d9-43fb-88e6-f81290c49801/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec4_product59.cil.c [2019-11-20 05:44:00,500 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b38ba0f1-c1d9-43fb-88e6-f81290c49801/bin/uautomizer/data/b24152829/6da90ccb86d64c4ca60b4f7443a7717f/FLAG53b46f9ce [2019-11-20 05:44:00,902 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 05:44:00,905 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_b38ba0f1-c1d9-43fb-88e6-f81290c49801/sv-benchmarks/c/product-lines/minepump_spec4_product59.cil.c [2019-11-20 05:44:00,916 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b38ba0f1-c1d9-43fb-88e6-f81290c49801/bin/uautomizer/data/b24152829/6da90ccb86d64c4ca60b4f7443a7717f/FLAG53b46f9ce [2019-11-20 05:44:01,205 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_b38ba0f1-c1d9-43fb-88e6-f81290c49801/bin/uautomizer/data/b24152829/6da90ccb86d64c4ca60b4f7443a7717f [2019-11-20 05:44:01,207 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 05:44:01,208 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 05:44:01,208 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 05:44:01,208 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 05:44:01,211 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 05:44:01,212 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:44:01" (1/1) ... [2019-11-20 05:44:01,214 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2fd83f13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:44:01, skipping insertion in model container [2019-11-20 05:44:01,215 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:44:01" (1/1) ... [2019-11-20 05:44:01,222 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 05:44:01,283 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 05:44:01,664 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 05:44:01,677 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 05:44:01,767 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 05:44:01,801 INFO L192 MainTranslator]: Completed translation [2019-11-20 05:44:01,802 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:44:01 WrapperNode [2019-11-20 05:44:01,802 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 05:44:01,802 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 05:44:01,802 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 05:44:01,803 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 05:44:01,809 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:44:01" (1/1) ... [2019-11-20 05:44:01,825 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:44:01" (1/1) ... [2019-11-20 05:44:01,865 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 05:44:01,865 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 05:44:01,865 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 05:44:01,866 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 05:44:01,874 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:44:01" (1/1) ... [2019-11-20 05:44:01,874 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:44:01" (1/1) ... [2019-11-20 05:44:01,881 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:44:01" (1/1) ... [2019-11-20 05:44:01,881 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:44:01" (1/1) ... [2019-11-20 05:44:01,908 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:44:01" (1/1) ... [2019-11-20 05:44:01,917 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:44:01" (1/1) ... [2019-11-20 05:44:01,921 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:44:01" (1/1) ... [2019-11-20 05:44:01,926 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 05:44:01,927 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 05:44:01,927 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 05:44:01,927 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 05:44:01,928 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:44:01" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b38ba0f1-c1d9-43fb-88e6-f81290c49801/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-20 05:44:01,989 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-20 05:44:01,989 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-20 05:44:01,989 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 05:44:01,989 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 05:44:02,857 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 05:44:02,857 INFO L285 CfgBuilder]: Removed 196 assume(true) statements. [2019-11-20 05:44:02,858 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:44:02 BoogieIcfgContainer [2019-11-20 05:44:02,859 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 05:44:02,860 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-20 05:44:02,860 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-20 05:44:02,863 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-20 05:44:02,863 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 05:44:01" (1/3) ... [2019-11-20 05:44:02,864 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66b3fb7e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 05:44:02, skipping insertion in model container [2019-11-20 05:44:02,864 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:44:01" (2/3) ... [2019-11-20 05:44:02,865 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66b3fb7e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 05:44:02, skipping insertion in model container [2019-11-20 05:44:02,865 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:44:02" (3/3) ... [2019-11-20 05:44:02,869 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product59.cil.c [2019-11-20 05:44:02,875 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-20 05:44:02,881 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-11-20 05:44:02,888 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-11-20 05:44:02,923 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-20 05:44:02,923 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-20 05:44:02,923 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-20 05:44:02,923 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 05:44:02,924 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 05:44:02,924 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-20 05:44:02,924 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 05:44:02,924 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-20 05:44:02,940 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states. [2019-11-20 05:44:02,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-11-20 05:44:02,945 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 05:44:02,945 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 05:44:02,946 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 05:44:02,949 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:44:02,949 INFO L82 PathProgramCache]: Analyzing trace with hash 998639577, now seen corresponding path program 1 times [2019-11-20 05:44:02,955 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 05:44:02,955 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1772739793] [2019-11-20 05:44:02,955 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 05:44:03,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:44:03,179 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:44:03,179 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1772739793] [2019-11-20 05:44:03,180 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 05:44:03,180 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-20 05:44:03,180 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1021586109] [2019-11-20 05:44:03,184 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-20 05:44:03,185 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 05:44:03,194 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-20 05:44:03,194 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-20 05:44:03,196 INFO L87 Difference]: Start difference. First operand 137 states. Second operand 2 states. [2019-11-20 05:44:03,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 05:44:03,226 INFO L93 Difference]: Finished difference Result 268 states and 401 transitions. [2019-11-20 05:44:03,227 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-20 05:44:03,228 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2019-11-20 05:44:03,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 05:44:03,239 INFO L225 Difference]: With dead ends: 268 [2019-11-20 05:44:03,239 INFO L226 Difference]: Without dead ends: 133 [2019-11-20 05:44:03,242 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-20 05:44:03,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2019-11-20 05:44:03,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 133. [2019-11-20 05:44:03,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 133 states. [2019-11-20 05:44:03,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 192 transitions. [2019-11-20 05:44:03,282 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 192 transitions. Word has length 16 [2019-11-20 05:44:03,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 05:44:03,283 INFO L462 AbstractCegarLoop]: Abstraction has 133 states and 192 transitions. [2019-11-20 05:44:03,283 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-20 05:44:03,283 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 192 transitions. [2019-11-20 05:44:03,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-20 05:44:03,284 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 05:44:03,284 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 05:44:03,284 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 05:44:03,285 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:44:03,285 INFO L82 PathProgramCache]: Analyzing trace with hash -48117320, now seen corresponding path program 1 times [2019-11-20 05:44:03,285 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 05:44:03,285 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [557365746] [2019-11-20 05:44:03,285 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 05:44:03,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:44:03,400 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:44:03,400 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [557365746] [2019-11-20 05:44:03,401 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 05:44:03,401 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-20 05:44:03,401 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1973396832] [2019-11-20 05:44:03,402 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-20 05:44:03,402 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 05:44:03,403 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-20 05:44:03,403 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 05:44:03,403 INFO L87 Difference]: Start difference. First operand 133 states and 192 transitions. Second operand 3 states. [2019-11-20 05:44:03,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 05:44:03,421 INFO L93 Difference]: Finished difference Result 133 states and 192 transitions. [2019-11-20 05:44:03,421 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 05:44:03,422 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2019-11-20 05:44:03,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 05:44:03,423 INFO L225 Difference]: With dead ends: 133 [2019-11-20 05:44:03,425 INFO L226 Difference]: Without dead ends: 55 [2019-11-20 05:44:03,426 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 05:44:03,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2019-11-20 05:44:03,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2019-11-20 05:44:03,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2019-11-20 05:44:03,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 79 transitions. [2019-11-20 05:44:03,439 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 79 transitions. Word has length 17 [2019-11-20 05:44:03,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 05:44:03,440 INFO L462 AbstractCegarLoop]: Abstraction has 55 states and 79 transitions. [2019-11-20 05:44:03,440 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-20 05:44:03,440 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 79 transitions. [2019-11-20 05:44:03,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-11-20 05:44:03,442 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 05:44:03,442 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 05:44:03,442 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 05:44:03,442 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:44:03,443 INFO L82 PathProgramCache]: Analyzing trace with hash -1725162559, now seen corresponding path program 1 times [2019-11-20 05:44:03,443 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 05:44:03,443 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1020642612] [2019-11-20 05:44:03,443 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 05:44:03,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:44:03,562 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:44:03,563 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1020642612] [2019-11-20 05:44:03,563 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 05:44:03,563 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-20 05:44:03,563 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [267468439] [2019-11-20 05:44:03,564 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-20 05:44:03,564 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 05:44:03,564 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-20 05:44:03,564 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-11-20 05:44:03,564 INFO L87 Difference]: Start difference. First operand 55 states and 79 transitions. Second operand 6 states. [2019-11-20 05:44:03,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 05:44:03,704 INFO L93 Difference]: Finished difference Result 176 states and 259 transitions. [2019-11-20 05:44:03,704 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-20 05:44:03,704 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 22 [2019-11-20 05:44:03,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 05:44:03,706 INFO L225 Difference]: With dead ends: 176 [2019-11-20 05:44:03,706 INFO L226 Difference]: Without dead ends: 127 [2019-11-20 05:44:03,707 INFO L630 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 [2019-11-20 05:44:03,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2019-11-20 05:44:03,717 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 74. [2019-11-20 05:44:03,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 74 states. [2019-11-20 05:44:03,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 108 transitions. [2019-11-20 05:44:03,718 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 108 transitions. Word has length 22 [2019-11-20 05:44:03,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 05:44:03,718 INFO L462 AbstractCegarLoop]: Abstraction has 74 states and 108 transitions. [2019-11-20 05:44:03,718 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-20 05:44:03,719 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 108 transitions. [2019-11-20 05:44:03,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-20 05:44:03,720 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 05:44:03,720 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 05:44:03,720 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 05:44:03,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:44:03,720 INFO L82 PathProgramCache]: Analyzing trace with hash 1536171928, now seen corresponding path program 1 times [2019-11-20 05:44:03,721 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 05:44:03,721 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1408634846] [2019-11-20 05:44:03,721 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 05:44:03,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:44:03,771 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:44:03,771 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1408634846] [2019-11-20 05:44:03,772 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 05:44:03,772 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-20 05:44:03,772 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [486118939] [2019-11-20 05:44:03,772 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-20 05:44:03,772 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 05:44:03,773 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-20 05:44:03,773 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 05:44:03,773 INFO L87 Difference]: Start difference. First operand 74 states and 108 transitions. Second operand 3 states. [2019-11-20 05:44:03,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 05:44:03,844 INFO L93 Difference]: Finished difference Result 163 states and 240 transitions. [2019-11-20 05:44:03,845 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 05:44:03,845 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2019-11-20 05:44:03,846 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 05:44:03,847 INFO L225 Difference]: With dead ends: 163 [2019-11-20 05:44:03,847 INFO L226 Difference]: Without dead ends: 95 [2019-11-20 05:44:03,848 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 05:44:03,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2019-11-20 05:44:03,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 93. [2019-11-20 05:44:03,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 93 states. [2019-11-20 05:44:03,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 132 transitions. [2019-11-20 05:44:03,872 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 132 transitions. Word has length 24 [2019-11-20 05:44:03,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 05:44:03,872 INFO L462 AbstractCegarLoop]: Abstraction has 93 states and 132 transitions. [2019-11-20 05:44:03,872 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-20 05:44:03,872 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 132 transitions. [2019-11-20 05:44:03,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-11-20 05:44:03,873 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 05:44:03,874 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 05:44:03,874 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 05:44:03,874 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:44:03,874 INFO L82 PathProgramCache]: Analyzing trace with hash 1391898518, now seen corresponding path program 1 times [2019-11-20 05:44:03,874 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 05:44:03,875 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [58219885] [2019-11-20 05:44:03,875 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 05:44:03,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:44:03,988 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:44:03,988 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [58219885] [2019-11-20 05:44:03,989 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 05:44:03,989 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-20 05:44:03,989 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1709355057] [2019-11-20 05:44:03,989 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-20 05:44:03,990 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 05:44:03,990 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-20 05:44:03,990 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-20 05:44:03,990 INFO L87 Difference]: Start difference. First operand 93 states and 132 transitions. Second operand 5 states. [2019-11-20 05:44:04,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 05:44:04,124 INFO L93 Difference]: Finished difference Result 331 states and 477 transitions. [2019-11-20 05:44:04,124 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-20 05:44:04,125 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2019-11-20 05:44:04,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 05:44:04,127 INFO L225 Difference]: With dead ends: 331 [2019-11-20 05:44:04,127 INFO L226 Difference]: Without dead ends: 244 [2019-11-20 05:44:04,128 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-11-20 05:44:04,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 244 states. [2019-11-20 05:44:04,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 244 to 155. [2019-11-20 05:44:04,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 155 states. [2019-11-20 05:44:04,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 215 transitions. [2019-11-20 05:44:04,165 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 215 transitions. Word has length 25 [2019-11-20 05:44:04,170 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 05:44:04,170 INFO L462 AbstractCegarLoop]: Abstraction has 155 states and 215 transitions. [2019-11-20 05:44:04,170 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-20 05:44:04,171 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 215 transitions. [2019-11-20 05:44:04,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-11-20 05:44:04,172 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 05:44:04,173 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 05:44:04,173 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 05:44:04,173 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:44:04,174 INFO L82 PathProgramCache]: Analyzing trace with hash -567410472, now seen corresponding path program 1 times [2019-11-20 05:44:04,174 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 05:44:04,174 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1564401731] [2019-11-20 05:44:04,174 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 05:44:04,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:44:04,273 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:44:04,273 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1564401731] [2019-11-20 05:44:04,274 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 05:44:04,274 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-20 05:44:04,274 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1350012532] [2019-11-20 05:44:04,274 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-20 05:44:04,275 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 05:44:04,275 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-20 05:44:04,275 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-20 05:44:04,275 INFO L87 Difference]: Start difference. First operand 155 states and 215 transitions. Second operand 5 states. [2019-11-20 05:44:04,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 05:44:04,425 INFO L93 Difference]: Finished difference Result 327 states and 462 transitions. [2019-11-20 05:44:04,425 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-20 05:44:04,426 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 26 [2019-11-20 05:44:04,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 05:44:04,428 INFO L225 Difference]: With dead ends: 327 [2019-11-20 05:44:04,428 INFO L226 Difference]: Without dead ends: 325 [2019-11-20 05:44:04,429 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-11-20 05:44:04,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 325 states. [2019-11-20 05:44:04,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 325 to 155. [2019-11-20 05:44:04,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 155 states. [2019-11-20 05:44:04,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 213 transitions. [2019-11-20 05:44:04,450 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 213 transitions. Word has length 26 [2019-11-20 05:44:04,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 05:44:04,450 INFO L462 AbstractCegarLoop]: Abstraction has 155 states and 213 transitions. [2019-11-20 05:44:04,451 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-20 05:44:04,451 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 213 transitions. [2019-11-20 05:44:04,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-11-20 05:44:04,453 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 05:44:04,453 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 05:44:04,453 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 05:44:04,453 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:44:04,454 INFO L82 PathProgramCache]: Analyzing trace with hash -474783860, now seen corresponding path program 1 times [2019-11-20 05:44:04,454 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 05:44:04,454 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1156004250] [2019-11-20 05:44:04,454 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 05:44:04,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:44:04,512 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:44:04,512 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1156004250] [2019-11-20 05:44:04,513 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 05:44:04,513 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-20 05:44:04,513 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [117834211] [2019-11-20 05:44:04,513 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-20 05:44:04,514 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 05:44:04,514 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-20 05:44:04,514 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-20 05:44:04,514 INFO L87 Difference]: Start difference. First operand 155 states and 213 transitions. Second operand 5 states. [2019-11-20 05:44:04,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 05:44:04,608 INFO L93 Difference]: Finished difference Result 463 states and 634 transitions. [2019-11-20 05:44:04,608 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-20 05:44:04,609 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 34 [2019-11-20 05:44:04,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 05:44:04,611 INFO L225 Difference]: With dead ends: 463 [2019-11-20 05:44:04,611 INFO L226 Difference]: Without dead ends: 314 [2019-11-20 05:44:04,612 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-11-20 05:44:04,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 314 states. [2019-11-20 05:44:04,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 314 to 164. [2019-11-20 05:44:04,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 164 states. [2019-11-20 05:44:04,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 222 transitions. [2019-11-20 05:44:04,635 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 222 transitions. Word has length 34 [2019-11-20 05:44:04,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 05:44:04,636 INFO L462 AbstractCegarLoop]: Abstraction has 164 states and 222 transitions. [2019-11-20 05:44:04,636 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-20 05:44:04,637 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 222 transitions. [2019-11-20 05:44:04,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-11-20 05:44:04,642 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 05:44:04,643 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 05:44:04,643 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 05:44:04,643 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:44:04,643 INFO L82 PathProgramCache]: Analyzing trace with hash -1061589874, now seen corresponding path program 1 times [2019-11-20 05:44:04,643 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 05:44:04,644 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1332689267] [2019-11-20 05:44:04,644 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 05:44:04,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:44:04,693 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:44:04,693 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1332689267] [2019-11-20 05:44:04,693 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 05:44:04,694 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-20 05:44:04,694 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1873953445] [2019-11-20 05:44:04,694 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-20 05:44:04,694 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 05:44:04,695 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-20 05:44:04,695 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-20 05:44:04,695 INFO L87 Difference]: Start difference. First operand 164 states and 222 transitions. Second operand 4 states. [2019-11-20 05:44:04,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 05:44:04,755 INFO L93 Difference]: Finished difference Result 382 states and 517 transitions. [2019-11-20 05:44:04,756 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-20 05:44:04,756 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 34 [2019-11-20 05:44:04,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 05:44:04,758 INFO L225 Difference]: With dead ends: 382 [2019-11-20 05:44:04,758 INFO L226 Difference]: Without dead ends: 224 [2019-11-20 05:44:04,759 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-11-20 05:44:04,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 224 states. [2019-11-20 05:44:04,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 224 to 145. [2019-11-20 05:44:04,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 145 states. [2019-11-20 05:44:04,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 193 transitions. [2019-11-20 05:44:04,783 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 193 transitions. Word has length 34 [2019-11-20 05:44:04,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 05:44:04,783 INFO L462 AbstractCegarLoop]: Abstraction has 145 states and 193 transitions. [2019-11-20 05:44:04,783 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-20 05:44:04,783 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 193 transitions. [2019-11-20 05:44:04,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-11-20 05:44:04,787 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 05:44:04,787 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 05:44:04,787 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 05:44:04,788 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:44:04,788 INFO L82 PathProgramCache]: Analyzing trace with hash 1953513744, now seen corresponding path program 1 times [2019-11-20 05:44:04,788 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 05:44:04,788 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [585440073] [2019-11-20 05:44:04,789 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 05:44:04,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:44:04,845 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:44:04,845 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [585440073] [2019-11-20 05:44:04,846 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 05:44:04,846 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-20 05:44:04,846 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1649596371] [2019-11-20 05:44:04,846 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-20 05:44:04,847 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 05:44:04,847 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-20 05:44:04,847 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-20 05:44:04,847 INFO L87 Difference]: Start difference. First operand 145 states and 193 transitions. Second operand 5 states. [2019-11-20 05:44:04,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 05:44:04,997 INFO L93 Difference]: Finished difference Result 380 states and 520 transitions. [2019-11-20 05:44:04,998 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-20 05:44:04,998 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 34 [2019-11-20 05:44:04,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 05:44:05,000 INFO L225 Difference]: With dead ends: 380 [2019-11-20 05:44:05,000 INFO L226 Difference]: Without dead ends: 283 [2019-11-20 05:44:05,001 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-11-20 05:44:05,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 283 states. [2019-11-20 05:44:05,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 283 to 205. [2019-11-20 05:44:05,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 205 states. [2019-11-20 05:44:05,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 205 states and 271 transitions. [2019-11-20 05:44:05,028 INFO L78 Accepts]: Start accepts. Automaton has 205 states and 271 transitions. Word has length 34 [2019-11-20 05:44:05,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 05:44:05,029 INFO L462 AbstractCegarLoop]: Abstraction has 205 states and 271 transitions. [2019-11-20 05:44:05,029 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-20 05:44:05,029 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 271 transitions. [2019-11-20 05:44:05,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2019-11-20 05:44:05,030 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 05:44:05,031 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 05:44:05,031 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 05:44:05,031 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:44:05,031 INFO L82 PathProgramCache]: Analyzing trace with hash -1418553649, now seen corresponding path program 1 times [2019-11-20 05:44:05,032 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 05:44:05,032 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [610514305] [2019-11-20 05:44:05,032 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 05:44:05,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:44:05,181 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:44:05,182 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [610514305] [2019-11-20 05:44:05,182 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [710106340] [2019-11-20 05:44:05,182 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b38ba0f1-c1d9-43fb-88e6-f81290c49801/bin/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-20 05:44:05,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:44:05,324 INFO L255 TraceCheckSpWp]: Trace formula consists of 415 conjuncts, 6 conjunts are in the unsatisfiable core [2019-11-20 05:44:05,337 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 05:44:05,369 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:44:05,369 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-20 05:44:05,370 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 6 [2019-11-20 05:44:05,370 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1569022391] [2019-11-20 05:44:05,371 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-20 05:44:05,371 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 05:44:05,372 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-20 05:44:05,372 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-11-20 05:44:05,372 INFO L87 Difference]: Start difference. First operand 205 states and 271 transitions. Second operand 6 states. [2019-11-20 05:44:05,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 05:44:05,588 INFO L93 Difference]: Finished difference Result 617 states and 834 transitions. [2019-11-20 05:44:05,588 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-20 05:44:05,588 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 55 [2019-11-20 05:44:05,589 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 05:44:05,591 INFO L225 Difference]: With dead ends: 617 [2019-11-20 05:44:05,591 INFO L226 Difference]: Without dead ends: 460 [2019-11-20 05:44:05,592 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2019-11-20 05:44:05,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 460 states. [2019-11-20 05:44:05,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 460 to 278. [2019-11-20 05:44:05,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 278 states. [2019-11-20 05:44:05,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 278 states and 371 transitions. [2019-11-20 05:44:05,620 INFO L78 Accepts]: Start accepts. Automaton has 278 states and 371 transitions. Word has length 55 [2019-11-20 05:44:05,620 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 05:44:05,620 INFO L462 AbstractCegarLoop]: Abstraction has 278 states and 371 transitions. [2019-11-20 05:44:05,620 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-20 05:44:05,620 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 371 transitions. [2019-11-20 05:44:05,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2019-11-20 05:44:05,621 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 05:44:05,622 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 05:44:05,834 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-20 05:44:05,835 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 05:44:05,835 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:44:05,835 INFO L82 PathProgramCache]: Analyzing trace with hash 242065008, now seen corresponding path program 2 times [2019-11-20 05:44:05,835 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 05:44:05,836 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1652859746] [2019-11-20 05:44:05,836 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 05:44:05,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:44:05,973 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-20 05:44:05,974 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1652859746] [2019-11-20 05:44:05,974 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 05:44:05,974 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-20 05:44:05,974 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1259356581] [2019-11-20 05:44:05,975 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-20 05:44:05,975 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 05:44:05,975 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-20 05:44:05,975 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-11-20 05:44:05,976 INFO L87 Difference]: Start difference. First operand 278 states and 371 transitions. Second operand 5 states. [2019-11-20 05:44:06,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 05:44:06,156 INFO L93 Difference]: Finished difference Result 824 states and 1115 transitions. [2019-11-20 05:44:06,157 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-20 05:44:06,157 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 76 [2019-11-20 05:44:06,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 05:44:06,161 INFO L225 Difference]: With dead ends: 824 [2019-11-20 05:44:06,161 INFO L226 Difference]: Without dead ends: 593 [2019-11-20 05:44:06,162 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2019-11-20 05:44:06,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 593 states. [2019-11-20 05:44:06,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 593 to 382. [2019-11-20 05:44:06,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 382 states. [2019-11-20 05:44:06,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 382 states and 509 transitions. [2019-11-20 05:44:06,202 INFO L78 Accepts]: Start accepts. Automaton has 382 states and 509 transitions. Word has length 76 [2019-11-20 05:44:06,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 05:44:06,202 INFO L462 AbstractCegarLoop]: Abstraction has 382 states and 509 transitions. [2019-11-20 05:44:06,202 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-20 05:44:06,202 INFO L276 IsEmpty]: Start isEmpty. Operand 382 states and 509 transitions. [2019-11-20 05:44:06,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2019-11-20 05:44:06,203 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 05:44:06,204 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 05:44:06,204 INFO L410 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 05:44:06,204 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:44:06,204 INFO L82 PathProgramCache]: Analyzing trace with hash 516824622, now seen corresponding path program 1 times [2019-11-20 05:44:06,204 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 05:44:06,205 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1358970756] [2019-11-20 05:44:06,205 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 05:44:06,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:44:06,260 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-11-20 05:44:06,260 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1358970756] [2019-11-20 05:44:06,261 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 05:44:06,261 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-20 05:44:06,261 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2069643284] [2019-11-20 05:44:06,261 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-20 05:44:06,261 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 05:44:06,261 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-20 05:44:06,262 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-20 05:44:06,262 INFO L87 Difference]: Start difference. First operand 382 states and 509 transitions. Second operand 5 states. [2019-11-20 05:44:06,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 05:44:06,339 INFO L93 Difference]: Finished difference Result 732 states and 975 transitions. [2019-11-20 05:44:06,340 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-20 05:44:06,340 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 76 [2019-11-20 05:44:06,340 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 05:44:06,340 INFO L225 Difference]: With dead ends: 732 [2019-11-20 05:44:06,340 INFO L226 Difference]: Without dead ends: 0 [2019-11-20 05:44:06,341 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-11-20 05:44:06,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-20 05:44:06,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-20 05:44:06,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-20 05:44:06,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-20 05:44:06,342 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 76 [2019-11-20 05:44:06,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 05:44:06,342 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 05:44:06,342 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-20 05:44:06,343 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-20 05:44:06,343 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-20 05:44:06,347 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-20 05:44:06,478 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 94 [2019-11-20 05:44:06,726 WARN L191 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 140 [2019-11-20 05:44:06,916 WARN L191 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 128 [2019-11-20 05:44:07,150 WARN L191 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 135 [2019-11-20 05:44:07,380 WARN L191 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 134 [2019-11-20 05:44:07,549 WARN L191 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 128 [2019-11-20 05:44:08,258 WARN L191 SmtUtils]: Spent 364.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 21 [2019-11-20 05:44:08,913 WARN L191 SmtUtils]: Spent 647.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 19 [2019-11-20 05:44:09,595 WARN L191 SmtUtils]: Spent 646.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 26 [2019-11-20 05:44:10,339 WARN L191 SmtUtils]: Spent 668.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 19 [2019-11-20 05:44:10,871 WARN L191 SmtUtils]: Spent 457.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 20 [2019-11-20 05:44:11,353 WARN L191 SmtUtils]: Spent 479.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 26 [2019-11-20 05:44:11,533 WARN L191 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 22 [2019-11-20 05:44:11,687 WARN L191 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 20 [2019-11-20 05:44:12,028 WARN L191 SmtUtils]: Spent 332.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 27 [2019-11-20 05:44:12,302 WARN L191 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 14 [2019-11-20 05:44:12,305 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 620) no Hoare annotation was computed. [2019-11-20 05:44:12,305 INFO L444 ceAbstractionStarter]: For program point L531(lines 531 535) no Hoare annotation was computed. [2019-11-20 05:44:12,305 INFO L444 ceAbstractionStarter]: For program point L432(lines 432 436) no Hoare annotation was computed. [2019-11-20 05:44:12,305 INFO L444 ceAbstractionStarter]: For program point L432-1(lines 194 200) no Hoare annotation was computed. [2019-11-20 05:44:12,305 INFO L440 ceAbstractionStarter]: At program point L201(lines 201 207) the Hoare annotation is: (let ((.cse0 (<= 2 ~waterLevel~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (and (not (= 0 ~systemActive~0)) .cse1)) (and .cse0 (and .cse2 .cse1)) (and (= 1 ~waterLevel~0) .cse2 .cse1))) [2019-11-20 05:44:12,305 INFO L440 ceAbstractionStarter]: At program point L201-1(lines 201 207) the Hoare annotation is: false [2019-11-20 05:44:12,306 INFO L440 ceAbstractionStarter]: At program point L201-2(lines 201 207) the Hoare annotation is: false [2019-11-20 05:44:12,306 INFO L444 ceAbstractionStarter]: For program point L499(lines 499 506) no Hoare annotation was computed. [2019-11-20 05:44:12,306 INFO L447 ceAbstractionStarter]: At program point L499-1(lines 499 506) the Hoare annotation is: true [2019-11-20 05:44:12,306 INFO L440 ceAbstractionStarter]: At program point L170(lines 121 171) the Hoare annotation is: false [2019-11-20 05:44:12,306 INFO L440 ceAbstractionStarter]: At program point L601(lines 592 605) the Hoare annotation is: false [2019-11-20 05:44:12,306 INFO L440 ceAbstractionStarter]: At program point L601-1(lines 592 605) the Hoare annotation is: (let ((.cse0 (and (not (= 0 ~systemActive~0)) (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (.cse1 (= ~pumpRunning~0 0))) (or (and .cse0 (<= 2 ~waterLevel~0) .cse1) (and (= |ULTIMATE.start_isHighWaterSensorDry_#res| 1) (and (= 1 ~waterLevel~0) .cse0) .cse1))) [2019-11-20 05:44:12,306 INFO L440 ceAbstractionStarter]: At program point L601-2(lines 592 605) the Hoare annotation is: false [2019-11-20 05:44:12,306 INFO L440 ceAbstractionStarter]: At program point L601-3(lines 592 605) the Hoare annotation is: false [2019-11-20 05:44:12,307 INFO L440 ceAbstractionStarter]: At program point L601-4(lines 592 605) the Hoare annotation is: false [2019-11-20 05:44:12,307 INFO L440 ceAbstractionStarter]: At program point L601-5(lines 592 605) the Hoare annotation is: false [2019-11-20 05:44:12,307 INFO L440 ceAbstractionStarter]: At program point L73(lines 68 76) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~pumpRunning~0 0)) [2019-11-20 05:44:12,307 INFO L444 ceAbstractionStarter]: For program point L405(lines 405 411) no Hoare annotation was computed. [2019-11-20 05:44:12,307 INFO L440 ceAbstractionStarter]: At program point L405-1(lines 405 411) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (<= 2 ~waterLevel~0) (and .cse0 .cse1)) (and (= 1 ~waterLevel~0) .cse0 .cse1))) [2019-11-20 05:44:12,307 INFO L444 ceAbstractionStarter]: For program point L372(lines 372 376) no Hoare annotation was computed. [2019-11-20 05:44:12,307 INFO L444 ceAbstractionStarter]: For program point L372-2(lines 372 376) no Hoare annotation was computed. [2019-11-20 05:44:12,307 INFO L444 ceAbstractionStarter]: For program point L372-3(lines 372 376) no Hoare annotation was computed. [2019-11-20 05:44:12,307 INFO L444 ceAbstractionStarter]: For program point L372-5(lines 372 376) no Hoare annotation was computed. [2019-11-20 05:44:12,307 INFO L444 ceAbstractionStarter]: For program point L372-6(lines 372 376) no Hoare annotation was computed. [2019-11-20 05:44:12,308 INFO L444 ceAbstractionStarter]: For program point L372-8(lines 372 376) no Hoare annotation was computed. [2019-11-20 05:44:12,308 INFO L444 ceAbstractionStarter]: For program point L372-9(lines 372 376) no Hoare annotation was computed. [2019-11-20 05:44:12,308 INFO L444 ceAbstractionStarter]: For program point L372-11(lines 372 376) no Hoare annotation was computed. [2019-11-20 05:44:12,308 INFO L444 ceAbstractionStarter]: For program point L372-12(lines 372 376) no Hoare annotation was computed. [2019-11-20 05:44:12,308 INFO L444 ceAbstractionStarter]: For program point L372-14(lines 372 376) no Hoare annotation was computed. [2019-11-20 05:44:12,308 INFO L444 ceAbstractionStarter]: For program point L372-15(lines 372 376) no Hoare annotation was computed. [2019-11-20 05:44:12,308 INFO L444 ceAbstractionStarter]: For program point L372-17(lines 372 376) no Hoare annotation was computed. [2019-11-20 05:44:12,308 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 620) no Hoare annotation was computed. [2019-11-20 05:44:12,308 INFO L444 ceAbstractionStarter]: For program point L142(lines 142 148) no Hoare annotation was computed. [2019-11-20 05:44:12,309 INFO L440 ceAbstractionStarter]: At program point L142-1(lines 142 148) the Hoare annotation is: (let ((.cse3 (= ~pumpRunning~0 0)) (.cse4 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (let ((.cse1 (and .cse3 .cse4)) (.cse2 (and (not (= 0 ~systemActive~0)) .cse4)) (.cse0 (<= 2 ~waterLevel~0))) (or (and .cse0 .cse1) (and (and (= 1 ~waterLevel~0) .cse2) .cse3) (and (<= 1 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~0) (<= 1 |ULTIMATE.start_getWaterLevel_#res|) .cse1 (<= 1 ~waterLevel~0)) (and .cse2 .cse0)))) [2019-11-20 05:44:12,309 INFO L447 ceAbstractionStarter]: At program point L508(lines 489 511) the Hoare annotation is: true [2019-11-20 05:44:12,309 INFO L440 ceAbstractionStarter]: At program point L476(lines 472 478) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ULTIMATE.start_main_~tmp~7 ~systemActive~0) (= 1 ~waterLevel~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~pumpRunning~0 0)) [2019-11-20 05:44:12,309 INFO L444 ceAbstractionStarter]: For program point L543(lines 543 547) no Hoare annotation was computed. [2019-11-20 05:44:12,309 INFO L440 ceAbstractionStarter]: At program point L378(lines 363 381) the Hoare annotation is: false [2019-11-20 05:44:12,309 INFO L440 ceAbstractionStarter]: At program point L378-1(lines 363 381) the Hoare annotation is: (let ((.cse0 (and (not (= 0 ~systemActive~0)) (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (.cse1 (= ~pumpRunning~0 0))) (or (and (and (= 0 |ULTIMATE.start_isHighWaterLevel_#res|) .cse0 (= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~2) .cse1) (<= 1 ~waterLevel~0)) (and .cse0 (<= 2 ~waterLevel~0) .cse1))) [2019-11-20 05:44:12,309 INFO L440 ceAbstractionStarter]: At program point L378-2(lines 363 381) the Hoare annotation is: false [2019-11-20 05:44:12,309 INFO L440 ceAbstractionStarter]: At program point L378-3(lines 363 381) the Hoare annotation is: false [2019-11-20 05:44:12,309 INFO L440 ceAbstractionStarter]: At program point L378-4(lines 363 381) the Hoare annotation is: false [2019-11-20 05:44:12,310 INFO L440 ceAbstractionStarter]: At program point L378-5(lines 363 381) the Hoare annotation is: false [2019-11-20 05:44:12,310 INFO L440 ceAbstractionStarter]: At program point L611(lines 606 614) the Hoare annotation is: (and (= 0 |ULTIMATE.start_isLowWaterSensorDry_#res|) (<= 1 ~waterLevel~0) (not (= 0 ~systemActive~0)) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-20 05:44:12,310 INFO L440 ceAbstractionStarter]: At program point L611-1(lines 606 614) the Hoare annotation is: false [2019-11-20 05:44:12,310 INFO L440 ceAbstractionStarter]: At program point L611-2(lines 606 614) the Hoare annotation is: false [2019-11-20 05:44:12,310 INFO L440 ceAbstractionStarter]: At program point L314(lines 307 317) the Hoare annotation is: false [2019-11-20 05:44:12,310 INFO L440 ceAbstractionStarter]: At program point L314-1(lines 307 317) the Hoare annotation is: (and (<= 2 ~waterLevel~0) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0)) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-20 05:44:12,310 INFO L440 ceAbstractionStarter]: At program point L314-2(lines 307 317) the Hoare annotation is: false [2019-11-20 05:44:12,310 INFO L440 ceAbstractionStarter]: At program point L314-3(lines 307 317) the Hoare annotation is: false [2019-11-20 05:44:12,310 INFO L440 ceAbstractionStarter]: At program point L314-4(lines 307 317) the Hoare annotation is: false [2019-11-20 05:44:12,311 INFO L440 ceAbstractionStarter]: At program point L314-5(lines 307 317) the Hoare annotation is: false [2019-11-20 05:44:12,311 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-20 05:44:12,311 INFO L444 ceAbstractionStarter]: For program point L152(lines 152 165) no Hoare annotation was computed. [2019-11-20 05:44:12,311 INFO L444 ceAbstractionStarter]: For program point L252(lines 252 269) no Hoare annotation was computed. [2019-11-20 05:44:12,311 INFO L444 ceAbstractionStarter]: For program point L252-1(lines 252 269) no Hoare annotation was computed. [2019-11-20 05:44:12,311 INFO L444 ceAbstractionStarter]: For program point L252-2(lines 252 269) no Hoare annotation was computed. [2019-11-20 05:44:12,311 INFO L444 ceAbstractionStarter]: For program point L89(lines 89 102) no Hoare annotation was computed. [2019-11-20 05:44:12,311 INFO L440 ceAbstractionStarter]: At program point L89-1(lines 1 989) the Hoare annotation is: (let ((.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (let ((.cse0 (and (not (= 0 ~systemActive~0)) .cse2)) (.cse1 (= ~pumpRunning~0 0))) (or (and (and (= 1 ~waterLevel~0) .cse0) .cse1) (and (<= 2 ~waterLevel~0) (<= 2 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~0) .cse0 (<= 2 |ULTIMATE.start_getWaterLevel_#res|)) (and (and .cse1 .cse2) (<= 1 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~0) (<= 1 |ULTIMATE.start_getWaterLevel_#res|) (<= 1 ~waterLevel~0))))) [2019-11-20 05:44:12,311 INFO L444 ceAbstractionStarter]: For program point L89-2(lines 89 102) no Hoare annotation was computed. [2019-11-20 05:44:12,311 INFO L440 ceAbstractionStarter]: At program point L89-3(lines 1 989) the Hoare annotation is: false [2019-11-20 05:44:12,311 INFO L444 ceAbstractionStarter]: For program point L89-4(lines 89 102) no Hoare annotation was computed. [2019-11-20 05:44:12,312 INFO L440 ceAbstractionStarter]: At program point L89-5(lines 1 989) the Hoare annotation is: false [2019-11-20 05:44:12,312 INFO L444 ceAbstractionStarter]: For program point L519(lines 519 523) no Hoare annotation was computed. [2019-11-20 05:44:12,312 INFO L444 ceAbstractionStarter]: For program point L519-3(lines 519 523) no Hoare annotation was computed. [2019-11-20 05:44:12,312 INFO L444 ceAbstractionStarter]: For program point L519-6(lines 519 523) no Hoare annotation was computed. [2019-11-20 05:44:12,312 INFO L444 ceAbstractionStarter]: For program point L123(lines 122 169) no Hoare annotation was computed. [2019-11-20 05:44:12,312 INFO L444 ceAbstractionStarter]: For program point L289(lines 289 295) no Hoare annotation was computed. [2019-11-20 05:44:12,312 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-20 05:44:12,312 INFO L444 ceAbstractionStarter]: For program point L256(lines 256 264) no Hoare annotation was computed. [2019-11-20 05:44:12,312 INFO L444 ceAbstractionStarter]: For program point L289-2(lines 289 295) no Hoare annotation was computed. [2019-11-20 05:44:12,312 INFO L444 ceAbstractionStarter]: For program point L256-1(lines 256 264) no Hoare annotation was computed. [2019-11-20 05:44:12,312 INFO L444 ceAbstractionStarter]: For program point L256-2(lines 256 264) no Hoare annotation was computed. [2019-11-20 05:44:12,313 INFO L444 ceAbstractionStarter]: For program point L289-4(lines 289 295) no Hoare annotation was computed. [2019-11-20 05:44:12,313 INFO L444 ceAbstractionStarter]: For program point L124(lines 124 128) no Hoare annotation was computed. [2019-11-20 05:44:12,313 INFO L444 ceAbstractionStarter]: For program point L289-6(lines 289 295) no Hoare annotation was computed. [2019-11-20 05:44:12,313 INFO L444 ceAbstractionStarter]: For program point L289-8(lines 289 295) no Hoare annotation was computed. [2019-11-20 05:44:12,313 INFO L444 ceAbstractionStarter]: For program point L289-10(lines 289 295) no Hoare annotation was computed. [2019-11-20 05:44:12,313 INFO L444 ceAbstractionStarter]: For program point L620(line 620) no Hoare annotation was computed. [2019-11-20 05:44:12,313 INFO L444 ceAbstractionStarter]: For program point L620-1(line 620) no Hoare annotation was computed. [2019-11-20 05:44:12,313 INFO L444 ceAbstractionStarter]: For program point L620-2(line 620) no Hoare annotation was computed. [2019-11-20 05:44:12,313 INFO L440 ceAbstractionStarter]: At program point L323(lines 318 326) the Hoare annotation is: false [2019-11-20 05:44:12,313 INFO L440 ceAbstractionStarter]: At program point L323-1(lines 318 326) the Hoare annotation is: false [2019-11-20 05:44:12,313 INFO L440 ceAbstractionStarter]: At program point L323-2(lines 318 326) the Hoare annotation is: false [2019-11-20 05:44:12,314 INFO L444 ceAbstractionStarter]: For program point L158(lines 158 164) no Hoare annotation was computed. [2019-11-20 05:44:12,314 INFO L440 ceAbstractionStarter]: At program point L158-1(lines 194 200) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse0 (<= 2 ~waterLevel~0))) (or (and .cse0 (and .cse1 .cse2)) (and (= 1 ~waterLevel~0) .cse1 .cse2) (and (and (not (= 0 ~systemActive~0)) .cse2) .cse0))) [2019-11-20 05:44:12,314 INFO L440 ceAbstractionStarter]: At program point L588(lines 583 591) the Hoare annotation is: (let ((.cse0 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (and (= ~pumpRunning~0 0) .cse0) (<= 1 |ULTIMATE.start_getWaterLevel_#res|) (<= 1 ~waterLevel~0)) (and (<= 2 ~waterLevel~0) (and (not (= 0 ~systemActive~0)) .cse0) (<= 2 |ULTIMATE.start_getWaterLevel_#res|)))) [2019-11-20 05:44:12,314 INFO L440 ceAbstractionStarter]: At program point L588-1(lines 583 591) the Hoare annotation is: false [2019-11-20 05:44:12,314 INFO L440 ceAbstractionStarter]: At program point L588-2(lines 583 591) the Hoare annotation is: false [2019-11-20 05:44:12,314 INFO L444 ceAbstractionStarter]: For program point L93(lines 93 99) no Hoare annotation was computed. [2019-11-20 05:44:12,314 INFO L444 ceAbstractionStarter]: For program point L93-2(lines 93 99) no Hoare annotation was computed. [2019-11-20 05:44:12,314 INFO L444 ceAbstractionStarter]: For program point L93-4(lines 93 99) no Hoare annotation was computed. [2019-11-20 05:44:12,314 INFO L440 ceAbstractionStarter]: At program point L556(lines 551 559) the Hoare annotation is: false [2019-11-20 05:44:12,314 INFO L440 ceAbstractionStarter]: At program point L556-1(lines 551 559) the Hoare annotation is: (and (<= 2 ~waterLevel~0) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0)) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-20 05:44:12,315 INFO L440 ceAbstractionStarter]: At program point L556-2(lines 551 559) the Hoare annotation is: false [2019-11-20 05:44:12,315 INFO L440 ceAbstractionStarter]: At program point L556-3(lines 551 559) the Hoare annotation is: false [2019-11-20 05:44:12,315 INFO L440 ceAbstractionStarter]: At program point L556-4(lines 551 559) the Hoare annotation is: false [2019-11-20 05:44:12,315 INFO L444 ceAbstractionStarter]: For program point L391(lines 391 395) no Hoare annotation was computed. [2019-11-20 05:44:12,315 INFO L440 ceAbstractionStarter]: At program point L556-5(lines 551 559) the Hoare annotation is: false [2019-11-20 05:44:12,315 INFO L444 ceAbstractionStarter]: For program point L391-2(lines 391 395) no Hoare annotation was computed. [2019-11-20 05:44:12,315 INFO L444 ceAbstractionStarter]: For program point L391-3(lines 391 395) no Hoare annotation was computed. [2019-11-20 05:44:12,315 INFO L444 ceAbstractionStarter]: For program point L226(lines 226 243) no Hoare annotation was computed. [2019-11-20 05:44:12,315 INFO L444 ceAbstractionStarter]: For program point L391-5(lines 391 395) no Hoare annotation was computed. [2019-11-20 05:44:12,315 INFO L444 ceAbstractionStarter]: For program point L226-1(lines 226 243) no Hoare annotation was computed. [2019-11-20 05:44:12,315 INFO L444 ceAbstractionStarter]: For program point L391-6(lines 391 395) no Hoare annotation was computed. [2019-11-20 05:44:12,315 INFO L444 ceAbstractionStarter]: For program point L226-2(lines 226 243) no Hoare annotation was computed. [2019-11-20 05:44:12,316 INFO L444 ceAbstractionStarter]: For program point L226-3(lines 226 243) no Hoare annotation was computed. [2019-11-20 05:44:12,316 INFO L444 ceAbstractionStarter]: For program point L391-8(lines 391 395) no Hoare annotation was computed. [2019-11-20 05:44:12,316 INFO L444 ceAbstractionStarter]: For program point L226-4(lines 226 243) no Hoare annotation was computed. [2019-11-20 05:44:12,316 INFO L444 ceAbstractionStarter]: For program point L226-5(lines 226 243) no Hoare annotation was computed. [2019-11-20 05:44:12,316 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-20 05:44:12,316 INFO L440 ceAbstractionStarter]: At program point L194(lines 193 212) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (<= 2 ~waterLevel~0) (and .cse0 .cse1)) (and (= 1 ~waterLevel~0) .cse0 .cse1) (and (and (not (= 0 ~systemActive~0)) .cse1) (<= 1 ~waterLevel~0)))) [2019-11-20 05:44:12,316 INFO L444 ceAbstractionStarter]: For program point L194-1(lines 194 200) no Hoare annotation was computed. [2019-11-20 05:44:12,316 INFO L440 ceAbstractionStarter]: At program point L194-2(lines 193 212) the Hoare annotation is: false [2019-11-20 05:44:12,316 INFO L440 ceAbstractionStarter]: At program point L194-3(lines 193 212) the Hoare annotation is: false [2019-11-20 05:44:12,316 INFO L440 ceAbstractionStarter]: At program point L428-2(lines 428 442) the Hoare annotation is: false [2019-11-20 05:44:12,316 INFO L444 ceAbstractionStarter]: For program point L230(lines 230 238) no Hoare annotation was computed. [2019-11-20 05:44:12,317 INFO L444 ceAbstractionStarter]: For program point L230-1(lines 230 238) no Hoare annotation was computed. [2019-11-20 05:44:12,317 INFO L444 ceAbstractionStarter]: For program point L230-2(lines 230 238) no Hoare annotation was computed. [2019-11-20 05:44:12,317 INFO L444 ceAbstractionStarter]: For program point L230-3(lines 230 238) no Hoare annotation was computed. [2019-11-20 05:44:12,317 INFO L444 ceAbstractionStarter]: For program point L230-4(lines 230 238) no Hoare annotation was computed. [2019-11-20 05:44:12,317 INFO L440 ceAbstractionStarter]: At program point L65(lines 1 989) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-11-20 05:44:12,317 INFO L444 ceAbstractionStarter]: For program point L230-5(lines 230 238) no Hoare annotation was computed. [2019-11-20 05:44:12,317 INFO L444 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-20 05:44:12,317 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 620) no Hoare annotation was computed. [2019-11-20 05:44:12,317 INFO L444 ceAbstractionStarter]: For program point L429(line 429) no Hoare annotation was computed. [2019-11-20 05:44:12,317 INFO L444 ceAbstractionStarter]: For program point L132(lines 132 138) no Hoare annotation was computed. [2019-11-20 05:44:12,317 INFO L440 ceAbstractionStarter]: At program point L132-1(lines 132 138) the Hoare annotation is: (let ((.cse3 (= ~pumpRunning~0 0)) (.cse4 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (let ((.cse1 (and .cse3 .cse4)) (.cse2 (and (not (= 0 ~systemActive~0)) .cse4)) (.cse0 (<= 2 ~waterLevel~0))) (or (and .cse0 .cse1) (and (and (= 1 ~waterLevel~0) .cse2) .cse3) (and (<= 1 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~0) (<= 1 |ULTIMATE.start_getWaterLevel_#res|) .cse1 (<= 1 ~waterLevel~0)) (and .cse2 .cse0)))) [2019-11-20 05:44:12,318 INFO L440 ceAbstractionStarter]: At program point L397(lines 382 400) the Hoare annotation is: (and (= 0 |ULTIMATE.start_isLowWaterSensorDry_#res|) (= 1 ULTIMATE.start_isLowWaterLevel_~tmp___0~3) (= 1 |ULTIMATE.start_isLowWaterLevel_#res|) (= 0 ULTIMATE.start_isLowWaterLevel_~tmp~6) (<= 1 ~waterLevel~0) (not (= 0 ~systemActive~0)) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-20 05:44:12,320 INFO L440 ceAbstractionStarter]: At program point L397-1(lines 382 400) the Hoare annotation is: false [2019-11-20 05:44:12,320 INFO L440 ceAbstractionStarter]: At program point L397-2(lines 382 400) the Hoare annotation is: false [2019-11-20 05:44:12,321 INFO L444 ceAbstractionStarter]: For program point L596(lines 596 602) no Hoare annotation was computed. [2019-11-20 05:44:12,321 INFO L444 ceAbstractionStarter]: For program point L596-1(lines 596 602) no Hoare annotation was computed. [2019-11-20 05:44:12,321 INFO L444 ceAbstractionStarter]: For program point L596-2(lines 596 602) no Hoare annotation was computed. [2019-11-20 05:44:12,321 INFO L444 ceAbstractionStarter]: For program point L596-3(lines 596 602) no Hoare annotation was computed. [2019-11-20 05:44:12,321 INFO L444 ceAbstractionStarter]: For program point L596-4(lines 596 602) no Hoare annotation was computed. [2019-11-20 05:44:12,321 INFO L444 ceAbstractionStarter]: For program point L596-5(lines 596 602) no Hoare annotation was computed. [2019-11-20 05:44:12,343 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 05:44:12 BoogieIcfgContainer [2019-11-20 05:44:12,344 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-20 05:44:12,344 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 05:44:12,344 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 05:44:12,344 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 05:44:12,345 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:44:02" (3/4) ... [2019-11-20 05:44:12,348 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-20 05:44:12,368 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-11-20 05:44:12,369 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2019-11-20 05:44:12,371 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2019-11-20 05:44:12,372 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-11-20 05:44:12,373 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-20 05:44:12,374 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-20 05:44:12,401 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((1 == systemActive && 1 == waterLevel) && \result == systemActive) && pumpRunning == 0 [2019-11-20 05:44:12,401 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && tmp == systemActive) && 1 == waterLevel) && \result == systemActive) && pumpRunning == 0 [2019-11-20 05:44:12,401 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == waterLevel && !(0 == systemActive) && 0 == splverifierCounter) && pumpRunning == 0) || (((2 <= waterLevel && 2 <= tmp) && !(0 == systemActive) && 0 == splverifierCounter) && 2 <= \result)) || ((((pumpRunning == 0 && 0 == splverifierCounter) && 1 <= tmp) && 1 <= \result) && 1 <= waterLevel) [2019-11-20 05:44:12,402 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((2 <= waterLevel && pumpRunning == 0 && 0 == splverifierCounter) || ((1 == waterLevel && !(0 == systemActive) && 0 == splverifierCounter) && pumpRunning == 0)) || (((1 <= tmp && 1 <= \result) && pumpRunning == 0 && 0 == splverifierCounter) && 1 <= waterLevel)) || ((!(0 == systemActive) && 0 == splverifierCounter) && 2 <= waterLevel) [2019-11-20 05:44:12,402 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((2 <= waterLevel && pumpRunning == 0 && 0 == splverifierCounter) || ((1 == waterLevel && !(0 == systemActive) && 0 == splverifierCounter) && pumpRunning == 0)) || (((1 <= tmp && 1 <= \result) && pumpRunning == 0 && 0 == splverifierCounter) && 1 <= waterLevel)) || ((!(0 == systemActive) && 0 == splverifierCounter) && 2 <= waterLevel) [2019-11-20 05:44:12,404 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && 0 == splverifierCounter) && 1 <= \result) && 1 <= waterLevel) || ((2 <= waterLevel && !(0 == systemActive) && 0 == splverifierCounter) && 2 <= \result) [2019-11-20 05:44:12,405 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((0 == \result && 1 <= waterLevel) && !(0 == systemActive)) && 0 == splverifierCounter [2019-11-20 05:44:12,405 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(0 == systemActive) && 0 == splverifierCounter) && 2 <= waterLevel) && pumpRunning == 0) || ((\result == 1 && 1 == waterLevel && !(0 == systemActive) && 0 == splverifierCounter) && pumpRunning == 0) [2019-11-20 05:44:12,406 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((0 == \result && 1 == tmp___0) && 1 == \result) && 0 == tmp) && 1 <= waterLevel) && !(0 == systemActive)) && 0 == splverifierCounter [2019-11-20 05:44:12,407 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((0 == \result && !(0 == systemActive) && 0 == splverifierCounter) && 0 == tmp___0) && pumpRunning == 0) && 1 <= waterLevel) || (((!(0 == systemActive) && 0 == splverifierCounter) && 2 <= waterLevel) && pumpRunning == 0) [2019-11-20 05:44:12,479 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_b38ba0f1-c1d9-43fb-88e6-f81290c49801/bin/uautomizer/witness.graphml [2019-11-20 05:44:12,479 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 05:44:12,481 INFO L168 Benchmark]: Toolchain (without parser) took 11273.00 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 271.6 MB). Free memory was 939.3 MB in the beginning and 797.7 MB in the end (delta: 141.6 MB). Peak memory consumption was 413.2 MB. Max. memory is 11.5 GB. [2019-11-20 05:44:12,481 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. [2019-11-20 05:44:12,481 INFO L168 Benchmark]: CACSL2BoogieTranslator took 593.80 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 101.2 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -136.4 MB). Peak memory consumption was 23.1 MB. Max. memory is 11.5 GB. [2019-11-20 05:44:12,481 INFO L168 Benchmark]: Boogie Procedure Inliner took 62.68 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 05:44:12,482 INFO L168 Benchmark]: Boogie Preprocessor took 61.23 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.1 MB). Peak memory consumption was 7.1 MB. Max. memory is 11.5 GB. [2019-11-20 05:44:12,482 INFO L168 Benchmark]: RCFGBuilder took 931.94 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 996.4 MB in the end (delta: 72.2 MB). Peak memory consumption was 72.2 MB. Max. memory is 11.5 GB. [2019-11-20 05:44:12,483 INFO L168 Benchmark]: TraceAbstraction took 9484.31 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 170.4 MB). Free memory was 996.4 MB in the beginning and 820.2 MB in the end (delta: 176.1 MB). Peak memory consumption was 396.3 MB. Max. memory is 11.5 GB. [2019-11-20 05:44:12,483 INFO L168 Benchmark]: Witness Printer took 135.46 ms. Allocated memory is still 1.3 GB. Free memory was 820.2 MB in the beginning and 797.7 MB in the end (delta: 22.6 MB). Peak memory consumption was 22.6 MB. Max. memory is 11.5 GB. [2019-11-20 05:44:12,485 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 593.80 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 101.2 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -136.4 MB). Peak memory consumption was 23.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 62.68 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 61.23 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.1 MB). Peak memory consumption was 7.1 MB. Max. memory is 11.5 GB. * RCFGBuilder took 931.94 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 996.4 MB in the end (delta: 72.2 MB). Peak memory consumption was 72.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 9484.31 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 170.4 MB). Free memory was 996.4 MB in the beginning and 820.2 MB in the end (delta: 176.1 MB). Peak memory consumption was 396.3 MB. Max. memory is 11.5 GB. * Witness Printer took 135.46 ms. Allocated memory is still 1.3 GB. Free memory was 820.2 MB in the beginning and 797.7 MB in the end (delta: 22.6 MB). Peak memory consumption was 22.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 620]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 620]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 620]: 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: 307]: Loop Invariant Derived loop invariant: ((2 <= waterLevel && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter - InvariantResult [Line: 307]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 307]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && 0 == splverifierCounter) && 1 <= \result) && 1 <= waterLevel) || ((2 <= waterLevel && !(0 == systemActive) && 0 == splverifierCounter) && 2 <= \result) - InvariantResult [Line: 201]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 307]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 201]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 307]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 68]: Loop Invariant Derived loop invariant: ((1 == systemActive && 1 == waterLevel) && \result == systemActive) && pumpRunning == 0 - InvariantResult [Line: 201]: Loop Invariant Derived loop invariant: ((2 <= waterLevel && !(0 == systemActive) && 0 == splverifierCounter) || (2 <= waterLevel && pumpRunning == 0 && 0 == splverifierCounter)) || ((1 == waterLevel && pumpRunning == 0) && 0 == splverifierCounter) - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 551]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 551]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (1 == systemActive && 1 == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 551]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 489]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 142]: Loop Invariant Derived loop invariant: (((2 <= waterLevel && pumpRunning == 0 && 0 == splverifierCounter) || ((1 == waterLevel && !(0 == systemActive) && 0 == splverifierCounter) && pumpRunning == 0)) || (((1 <= tmp && 1 <= \result) && pumpRunning == 0 && 0 == splverifierCounter) && 1 <= waterLevel)) || ((!(0 == systemActive) && 0 == splverifierCounter) && 2 <= waterLevel) - InvariantResult [Line: 307]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: ((0 == \result && 1 <= waterLevel) && !(0 == systemActive)) && 0 == splverifierCounter - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 551]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 194]: Loop Invariant Derived loop invariant: ((2 <= waterLevel && pumpRunning == 0 && 0 == splverifierCounter) || ((1 == waterLevel && pumpRunning == 0) && 0 == splverifierCounter)) || ((!(0 == systemActive) && 0 == splverifierCounter) && 2 <= waterLevel) - InvariantResult [Line: 551]: Loop Invariant Derived loop invariant: ((2 <= waterLevel && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter - InvariantResult [Line: 551]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 428]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 193]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 592]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 193]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 472]: Loop Invariant Derived loop invariant: (((1 == systemActive && tmp == systemActive) && 1 == waterLevel) && \result == systemActive) && pumpRunning == 0 - InvariantResult [Line: 193]: Loop Invariant Derived loop invariant: ((2 <= waterLevel && pumpRunning == 0 && 0 == splverifierCounter) || ((1 == waterLevel && pumpRunning == 0) && 0 == splverifierCounter)) || ((!(0 == systemActive) && 0 == splverifierCounter) && 1 <= waterLevel) - InvariantResult [Line: 132]: Loop Invariant Derived loop invariant: (((2 <= waterLevel && pumpRunning == 0 && 0 == splverifierCounter) || ((1 == waterLevel && !(0 == systemActive) && 0 == splverifierCounter) && pumpRunning == 0)) || (((1 <= tmp && 1 <= \result) && pumpRunning == 0 && 0 == splverifierCounter) && 1 <= waterLevel)) || ((!(0 == systemActive) && 0 == splverifierCounter) && 2 <= waterLevel) - InvariantResult [Line: 363]: Loop Invariant Derived loop invariant: ((((0 == \result && !(0 == systemActive) && 0 == splverifierCounter) && 0 == tmp___0) && pumpRunning == 0) && 1 <= waterLevel) || (((!(0 == systemActive) && 0 == splverifierCounter) && 2 <= waterLevel) && pumpRunning == 0) - InvariantResult [Line: 592]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 318]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 592]: Loop Invariant Derived loop invariant: (((!(0 == systemActive) && 0 == splverifierCounter) && 2 <= waterLevel) && pumpRunning == 0) || ((\result == 1 && 1 == waterLevel && !(0 == systemActive) && 0 == splverifierCounter) && pumpRunning == 0) - InvariantResult [Line: 363]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 318]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 363]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 592]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 318]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 592]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 363]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 363]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 592]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 499]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((1 == waterLevel && !(0 == systemActive) && 0 == splverifierCounter) && pumpRunning == 0) || (((2 <= waterLevel && 2 <= tmp) && !(0 == systemActive) && 0 == splverifierCounter) && 2 <= \result)) || ((((pumpRunning == 0 && 0 == splverifierCounter) && 1 <= tmp) && 1 <= \result) && 1 <= waterLevel) - InvariantResult [Line: 363]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 382]: Loop Invariant Derived loop invariant: (((((0 == \result && 1 == tmp___0) && 1 == \result) && 0 == tmp) && 1 <= waterLevel) && !(0 == systemActive)) && 0 == splverifierCounter - InvariantResult [Line: 382]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 382]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 405]: Loop Invariant Derived loop invariant: (2 <= waterLevel && pumpRunning == 0 && 0 == splverifierCounter) || ((1 == waterLevel && pumpRunning == 0) && 0 == splverifierCounter) - InvariantResult [Line: 121]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 137 locations, 3 error locations. Result: SAFE, OverallTime: 9.4s, OverallIterations: 12, TraceHistogramMax: 3, AutomataDifference: 1.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 5.9s, HoareTripleCheckerStatistics: 1414 SDtfs, 2089 SDslu, 2342 SDs, 0 SdLazy, 320 SolverSat, 66 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 138 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=382occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 12 MinimizatonAttempts, 1014 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 56 LocationsWithAnnotation, 56 PreInvPairs, 200 NumberOfFragments, 542 HoareAnnotationTreeSize, 56 FomulaSimplifications, 387587 FormulaSimplificationTreeSizeReduction, 1.4s HoareSimplificationTime, 56 FomulaSimplificationsInter, 192129 FormulaSimplificationTreeSizeReductionInter, 4.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 494 NumberOfCodeBlocks, 494 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 481 ConstructedInterpolants, 0 QuantifiedInterpolants, 38784 SizeOfPredicates, 4 NumberOfNonLiveVariables, 415 ConjunctsInSsa, 6 ConjunctsInUnsatCore, 13 InterpolantComputations, 11 PerfectInterpolantSequences, 120/126 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...