./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product58.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_8f0eec9c-4a1d-4675-a998-3c2752be6bdb/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_8f0eec9c-4a1d-4675-a998-3c2752be6bdb/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_8f0eec9c-4a1d-4675-a998-3c2752be6bdb/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_8f0eec9c-4a1d-4675-a998-3c2752be6bdb/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product58.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_8f0eec9c-4a1d-4675-a998-3c2752be6bdb/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_8f0eec9c-4a1d-4675-a998-3c2752be6bdb/bin/utaipan --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 99a0574ff0f23dd43b458f22f446fd063a15f78d ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_8f0eec9c-4a1d-4675-a998-3c2752be6bdb/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_8f0eec9c-4a1d-4675-a998-3c2752be6bdb/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_8f0eec9c-4a1d-4675-a998-3c2752be6bdb/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_8f0eec9c-4a1d-4675-a998-3c2752be6bdb/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product58.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_8f0eec9c-4a1d-4675-a998-3c2752be6bdb/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_8f0eec9c-4a1d-4675-a998-3c2752be6bdb/bin/utaipan --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 99a0574ff0f23dd43b458f22f446fd063a15f78d ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-10-22 11:20:55,917 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 11:20:55,918 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 11:20:55,927 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 11:20:55,927 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 11:20:55,928 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 11:20:55,929 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 11:20:55,930 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 11:20:55,932 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 11:20:55,933 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 11:20:55,933 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 11:20:55,934 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 11:20:55,935 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 11:20:55,935 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 11:20:55,936 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 11:20:55,937 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 11:20:55,938 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 11:20:55,938 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 11:20:55,940 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 11:20:55,941 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 11:20:55,943 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 11:20:55,944 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 11:20:55,945 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 11:20:55,945 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 11:20:55,947 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 11:20:55,947 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 11:20:55,947 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 11:20:55,948 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 11:20:55,949 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 11:20:55,949 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 11:20:55,950 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 11:20:55,950 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 11:20:55,951 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 11:20:55,951 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 11:20:55,952 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 11:20:55,953 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 11:20:55,953 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 11:20:55,953 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 11:20:55,953 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 11:20:55,954 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 11:20:55,955 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 11:20:55,955 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_8f0eec9c-4a1d-4675-a998-3c2752be6bdb/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-10-22 11:20:55,966 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 11:20:55,966 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 11:20:55,966 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-22 11:20:55,967 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-22 11:20:55,967 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-22 11:20:55,967 INFO L138 SettingsManager]: * Explicit value domain=true [2019-10-22 11:20:55,967 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-10-22 11:20:55,967 INFO L138 SettingsManager]: * Octagon Domain=false [2019-10-22 11:20:55,968 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-10-22 11:20:55,968 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-10-22 11:20:55,968 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-10-22 11:20:55,968 INFO L138 SettingsManager]: * Interval Domain=false [2019-10-22 11:20:55,969 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 11:20:55,969 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 11:20:55,969 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 11:20:55,969 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 11:20:55,969 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 11:20:55,970 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 11:20:55,970 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 11:20:55,970 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 11:20:55,970 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 11:20:55,971 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 11:20:55,971 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 11:20:55,971 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 11:20:55,971 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 11:20:55,971 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 11:20:55,971 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 11:20:55,972 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 11:20:55,972 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 11:20:55,972 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 11:20:55,972 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 11:20:55,972 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-10-22 11:20:55,973 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 11:20:55,973 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 11:20:55,973 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-22 11:20:55,973 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_8f0eec9c-4a1d-4675-a998-3c2752be6bdb/bin/utaipan 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 -> Taipan 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 -> 99a0574ff0f23dd43b458f22f446fd063a15f78d [2019-10-22 11:20:55,997 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 11:20:56,006 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 11:20:56,009 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 11:20:56,011 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 11:20:56,011 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 11:20:56,012 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_8f0eec9c-4a1d-4675-a998-3c2752be6bdb/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec4_product58.cil.c [2019-10-22 11:20:56,068 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8f0eec9c-4a1d-4675-a998-3c2752be6bdb/bin/utaipan/data/885046675/e88beef5459f41e685b9959dee9c1ded/FLAG718909fa4 [2019-10-22 11:20:56,492 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 11:20:56,494 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_8f0eec9c-4a1d-4675-a998-3c2752be6bdb/sv-benchmarks/c/product-lines/minepump_spec4_product58.cil.c [2019-10-22 11:20:56,507 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8f0eec9c-4a1d-4675-a998-3c2752be6bdb/bin/utaipan/data/885046675/e88beef5459f41e685b9959dee9c1ded/FLAG718909fa4 [2019-10-22 11:20:56,851 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_8f0eec9c-4a1d-4675-a998-3c2752be6bdb/bin/utaipan/data/885046675/e88beef5459f41e685b9959dee9c1ded [2019-10-22 11:20:56,853 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 11:20:56,854 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 11:20:56,855 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 11:20:56,855 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 11:20:56,858 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 11:20:56,859 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:20:56" (1/1) ... [2019-10-22 11:20:56,861 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ea50d3d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:20:56, skipping insertion in model container [2019-10-22 11:20:56,862 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:20:56" (1/1) ... [2019-10-22 11:20:56,868 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 11:20:56,912 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 11:20:57,208 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:20:57,221 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 11:20:57,287 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:20:57,319 INFO L192 MainTranslator]: Completed translation [2019-10-22 11:20:57,319 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:20:57 WrapperNode [2019-10-22 11:20:57,319 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 11:20:57,320 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 11:20:57,320 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 11:20:57,320 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 11:20:57,326 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:20:57" (1/1) ... [2019-10-22 11:20:57,340 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:20:57" (1/1) ... [2019-10-22 11:20:57,398 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 11:20:57,399 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 11:20:57,399 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 11:20:57,399 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 11:20:57,413 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:20:57" (1/1) ... [2019-10-22 11:20:57,414 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:20:57" (1/1) ... [2019-10-22 11:20:57,418 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:20:57" (1/1) ... [2019-10-22 11:20:57,418 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:20:57" (1/1) ... [2019-10-22 11:20:57,447 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:20:57" (1/1) ... [2019-10-22 11:20:57,465 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:20:57" (1/1) ... [2019-10-22 11:20:57,467 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:20:57" (1/1) ... [2019-10-22 11:20:57,471 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 11:20:57,471 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 11:20:57,471 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 11:20:57,471 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 11:20:57,472 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:20:57" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8f0eec9c-4a1d-4675-a998-3c2752be6bdb/bin/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 11:20:57,546 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 11:20:57,546 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-22 11:20:57,546 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 11:20:57,546 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 11:20:58,318 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 11:20:58,318 INFO L284 CfgBuilder]: Removed 194 assume(true) statements. [2019-10-22 11:20:58,319 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:20:58 BoogieIcfgContainer [2019-10-22 11:20:58,319 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 11:20:58,320 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 11:20:58,320 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 11:20:58,323 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 11:20:58,323 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 11:20:56" (1/3) ... [2019-10-22 11:20:58,324 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20563258 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:20:58, skipping insertion in model container [2019-10-22 11:20:58,325 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:20:57" (2/3) ... [2019-10-22 11:20:58,325 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20563258 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:20:58, skipping insertion in model container [2019-10-22 11:20:58,325 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:20:58" (3/3) ... [2019-10-22 11:20:58,326 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product58.cil.c [2019-10-22 11:20:58,333 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 11:20:58,339 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-10-22 11:20:58,345 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-10-22 11:20:58,365 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 11:20:58,366 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-22 11:20:58,366 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 11:20:58,366 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 11:20:58,366 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 11:20:58,366 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 11:20:58,366 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 11:20:58,366 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 11:20:58,381 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states. [2019-10-22 11:20:58,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-10-22 11:20:58,387 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:20:58,387 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:20:58,389 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:20:58,395 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:20:58,395 INFO L82 PathProgramCache]: Analyzing trace with hash 1138467236, now seen corresponding path program 1 times [2019-10-22 11:20:58,402 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:20:58,402 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [515723321] [2019-10-22 11:20:58,402 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:20:58,402 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:20:58,404 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:20:58,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:20:58,607 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:20:58,608 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [515723321] [2019-10-22 11:20:58,609 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:20:58,609 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 11:20:58,609 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1991434549] [2019-10-22 11:20:58,612 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-22 11:20:58,614 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:20:58,622 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-22 11:20:58,623 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-22 11:20:58,624 INFO L87 Difference]: Start difference. First operand 135 states. Second operand 2 states. [2019-10-22 11:20:58,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:20:58,656 INFO L93 Difference]: Finished difference Result 264 states and 395 transitions. [2019-10-22 11:20:58,656 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-22 11:20:58,657 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2019-10-22 11:20:58,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:20:58,669 INFO L225 Difference]: With dead ends: 264 [2019-10-22 11:20:58,669 INFO L226 Difference]: Without dead ends: 131 [2019-10-22 11:20:58,672 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-22 11:20:58,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2019-10-22 11:20:58,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 131. [2019-10-22 11:20:58,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 131 states. [2019-10-22 11:20:58,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 189 transitions. [2019-10-22 11:20:58,714 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 189 transitions. Word has length 16 [2019-10-22 11:20:58,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:20:58,714 INFO L462 AbstractCegarLoop]: Abstraction has 131 states and 189 transitions. [2019-10-22 11:20:58,715 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-22 11:20:58,715 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 189 transitions. [2019-10-22 11:20:58,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-10-22 11:20:58,715 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:20:58,716 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:20:58,716 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:20:58,716 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:20:58,717 INFO L82 PathProgramCache]: Analyzing trace with hash 1722273200, now seen corresponding path program 1 times [2019-10-22 11:20:58,717 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:20:58,717 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1876158377] [2019-10-22 11:20:58,717 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:20:58,717 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:20:58,718 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:20:58,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:20:58,805 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:20:58,805 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1876158377] [2019-10-22 11:20:58,806 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:20:58,806 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 11:20:58,806 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1796610200] [2019-10-22 11:20:58,807 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 11:20:58,808 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:20:58,808 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 11:20:58,808 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:20:58,808 INFO L87 Difference]: Start difference. First operand 131 states and 189 transitions. Second operand 3 states. [2019-10-22 11:20:58,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:20:58,821 INFO L93 Difference]: Finished difference Result 131 states and 189 transitions. [2019-10-22 11:20:58,822 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 11:20:58,822 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2019-10-22 11:20:58,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:20:58,823 INFO L225 Difference]: With dead ends: 131 [2019-10-22 11:20:58,823 INFO L226 Difference]: Without dead ends: 53 [2019-10-22 11:20:58,824 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:20:58,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2019-10-22 11:20:58,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2019-10-22 11:20:58,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2019-10-22 11:20:58,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 76 transitions. [2019-10-22 11:20:58,829 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 76 transitions. Word has length 17 [2019-10-22 11:20:58,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:20:58,830 INFO L462 AbstractCegarLoop]: Abstraction has 53 states and 76 transitions. [2019-10-22 11:20:58,830 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 11:20:58,830 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 76 transitions. [2019-10-22 11:20:58,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-10-22 11:20:58,830 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:20:58,831 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:20:58,831 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:20:58,831 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:20:58,831 INFO L82 PathProgramCache]: Analyzing trace with hash -1529505855, now seen corresponding path program 1 times [2019-10-22 11:20:58,831 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:20:58,832 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2067488579] [2019-10-22 11:20:58,832 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:20:58,832 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:20:58,832 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:20:58,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:20:58,938 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:20:58,938 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2067488579] [2019-10-22 11:20:58,938 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:20:58,938 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 11:20:58,939 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [548839211] [2019-10-22 11:20:58,939 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 11:20:58,939 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:20:58,939 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 11:20:58,940 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:20:58,940 INFO L87 Difference]: Start difference. First operand 53 states and 76 transitions. Second operand 3 states. [2019-10-22 11:20:58,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:20:58,981 INFO L93 Difference]: Finished difference Result 100 states and 146 transitions. [2019-10-22 11:20:58,982 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 11:20:58,983 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2019-10-22 11:20:58,983 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:20:58,984 INFO L225 Difference]: With dead ends: 100 [2019-10-22 11:20:58,984 INFO L226 Difference]: Without dead ends: 53 [2019-10-22 11:20:58,985 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:20:58,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2019-10-22 11:20:58,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2019-10-22 11:20:58,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2019-10-22 11:20:58,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 75 transitions. [2019-10-22 11:20:58,991 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 75 transitions. Word has length 22 [2019-10-22 11:20:58,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:20:58,991 INFO L462 AbstractCegarLoop]: Abstraction has 53 states and 75 transitions. [2019-10-22 11:20:58,991 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 11:20:58,991 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 75 transitions. [2019-10-22 11:20:58,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-10-22 11:20:58,992 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:20:58,992 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:20:58,992 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:20:58,993 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:20:58,993 INFO L82 PathProgramCache]: Analyzing trace with hash 583703192, now seen corresponding path program 1 times [2019-10-22 11:20:58,993 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:20:58,993 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2015526835] [2019-10-22 11:20:58,993 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:20:58,993 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:20:58,994 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:20:59,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:20:59,039 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:20:59,039 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2015526835] [2019-10-22 11:20:59,040 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:20:59,040 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 11:20:59,040 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [717206092] [2019-10-22 11:20:59,040 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 11:20:59,040 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:20:59,041 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 11:20:59,041 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:20:59,041 INFO L87 Difference]: Start difference. First operand 53 states and 75 transitions. Second operand 3 states. [2019-10-22 11:20:59,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:20:59,081 INFO L93 Difference]: Finished difference Result 121 states and 174 transitions. [2019-10-22 11:20:59,082 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 11:20:59,082 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2019-10-22 11:20:59,082 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:20:59,082 INFO L225 Difference]: With dead ends: 121 [2019-10-22 11:20:59,083 INFO L226 Difference]: Without dead ends: 74 [2019-10-22 11:20:59,083 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:20:59,083 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2019-10-22 11:20:59,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 72. [2019-10-22 11:20:59,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72 states. [2019-10-22 11:20:59,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 101 transitions. [2019-10-22 11:20:59,095 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 101 transitions. Word has length 24 [2019-10-22 11:20:59,096 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:20:59,096 INFO L462 AbstractCegarLoop]: Abstraction has 72 states and 101 transitions. [2019-10-22 11:20:59,096 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 11:20:59,096 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 101 transitions. [2019-10-22 11:20:59,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-10-22 11:20:59,097 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:20:59,097 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:20:59,097 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:20:59,097 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:20:59,097 INFO L82 PathProgramCache]: Analyzing trace with hash -198690772, now seen corresponding path program 1 times [2019-10-22 11:20:59,097 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:20:59,098 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [713751040] [2019-10-22 11:20:59,098 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:20:59,098 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:20:59,098 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:20:59,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:20:59,174 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:20:59,174 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [713751040] [2019-10-22 11:20:59,174 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:20:59,174 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-22 11:20:59,175 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1355298150] [2019-10-22 11:20:59,175 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-22 11:20:59,175 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:20:59,175 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-22 11:20:59,176 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-22 11:20:59,176 INFO L87 Difference]: Start difference. First operand 72 states and 101 transitions. Second operand 7 states. [2019-10-22 11:20:59,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:20:59,457 INFO L93 Difference]: Finished difference Result 461 states and 669 transitions. [2019-10-22 11:20:59,459 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-10-22 11:20:59,459 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 30 [2019-10-22 11:20:59,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:20:59,461 INFO L225 Difference]: With dead ends: 461 [2019-10-22 11:20:59,461 INFO L226 Difference]: Without dead ends: 395 [2019-10-22 11:20:59,462 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=58, Invalid=124, Unknown=0, NotChecked=0, Total=182 [2019-10-22 11:20:59,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 395 states. [2019-10-22 11:20:59,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 395 to 173. [2019-10-22 11:20:59,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 173 states. [2019-10-22 11:20:59,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 240 transitions. [2019-10-22 11:20:59,495 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 240 transitions. Word has length 30 [2019-10-22 11:20:59,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:20:59,496 INFO L462 AbstractCegarLoop]: Abstraction has 173 states and 240 transitions. [2019-10-22 11:20:59,496 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-22 11:20:59,496 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 240 transitions. [2019-10-22 11:20:59,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-10-22 11:20:59,498 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:20:59,498 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:20:59,498 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:20:59,498 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:20:59,498 INFO L82 PathProgramCache]: Analyzing trace with hash 731988412, now seen corresponding path program 1 times [2019-10-22 11:20:59,499 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:20:59,499 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [450130803] [2019-10-22 11:20:59,499 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:20:59,499 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:20:59,499 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:20:59,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:20:59,586 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-10-22 11:20:59,586 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [450130803] [2019-10-22 11:20:59,587 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:20:59,587 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 11:20:59,587 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1298778179] [2019-10-22 11:20:59,587 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 11:20:59,589 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:20:59,589 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 11:20:59,589 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 11:20:59,589 INFO L87 Difference]: Start difference. First operand 173 states and 240 transitions. Second operand 5 states. [2019-10-22 11:20:59,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:20:59,707 INFO L93 Difference]: Finished difference Result 423 states and 597 transitions. [2019-10-22 11:20:59,709 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-22 11:20:59,709 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 53 [2019-10-22 11:20:59,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:20:59,711 INFO L225 Difference]: With dead ends: 423 [2019-10-22 11:20:59,711 INFO L226 Difference]: Without dead ends: 421 [2019-10-22 11:20:59,712 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-10-22 11:20:59,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 421 states. [2019-10-22 11:20:59,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 421 to 173. [2019-10-22 11:20:59,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 173 states. [2019-10-22 11:20:59,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 239 transitions. [2019-10-22 11:20:59,743 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 239 transitions. Word has length 53 [2019-10-22 11:20:59,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:20:59,744 INFO L462 AbstractCegarLoop]: Abstraction has 173 states and 239 transitions. [2019-10-22 11:20:59,749 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 11:20:59,749 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 239 transitions. [2019-10-22 11:20:59,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-10-22 11:20:59,750 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:20:59,750 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:20:59,751 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:20:59,751 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:20:59,751 INFO L82 PathProgramCache]: Analyzing trace with hash -1233125419, now seen corresponding path program 1 times [2019-10-22 11:20:59,751 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:20:59,751 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2041166599] [2019-10-22 11:20:59,752 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:20:59,752 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:20:59,752 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:20:59,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:20:59,835 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-22 11:20:59,835 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2041166599] [2019-10-22 11:20:59,835 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:20:59,835 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-22 11:20:59,835 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1742934094] [2019-10-22 11:20:59,836 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 11:20:59,836 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:20:59,836 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 11:20:59,836 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 11:20:59,836 INFO L87 Difference]: Start difference. First operand 173 states and 239 transitions. Second operand 5 states. [2019-10-22 11:20:59,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:20:59,921 INFO L93 Difference]: Finished difference Result 462 states and 633 transitions. [2019-10-22 11:20:59,923 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-22 11:20:59,923 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 54 [2019-10-22 11:20:59,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:20:59,924 INFO L225 Difference]: With dead ends: 462 [2019-10-22 11:20:59,924 INFO L226 Difference]: Without dead ends: 295 [2019-10-22 11:20:59,925 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-10-22 11:20:59,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 295 states. [2019-10-22 11:20:59,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 295 to 188. [2019-10-22 11:20:59,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 188 states. [2019-10-22 11:20:59,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 188 states and 254 transitions. [2019-10-22 11:20:59,953 INFO L78 Accepts]: Start accepts. Automaton has 188 states and 254 transitions. Word has length 54 [2019-10-22 11:20:59,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:20:59,954 INFO L462 AbstractCegarLoop]: Abstraction has 188 states and 254 transitions. [2019-10-22 11:20:59,954 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 11:20:59,954 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 254 transitions. [2019-10-22 11:20:59,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-10-22 11:20:59,955 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:20:59,957 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:20:59,959 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:20:59,959 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:20:59,960 INFO L82 PathProgramCache]: Analyzing trace with hash 817858579, now seen corresponding path program 1 times [2019-10-22 11:20:59,960 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:20:59,960 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2062266488] [2019-10-22 11:20:59,960 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:20:59,960 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:20:59,960 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:20:59,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:21:00,015 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-22 11:21:00,016 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2062266488] [2019-10-22 11:21:00,016 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:21:00,016 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 11:21:00,016 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [146748997] [2019-10-22 11:21:00,017 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 11:21:00,017 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:21:00,017 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 11:21:00,017 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-22 11:21:00,017 INFO L87 Difference]: Start difference. First operand 188 states and 254 transitions. Second operand 4 states. [2019-10-22 11:21:00,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:21:00,061 INFO L93 Difference]: Finished difference Result 398 states and 537 transitions. [2019-10-22 11:21:00,061 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-22 11:21:00,062 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 54 [2019-10-22 11:21:00,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:21:00,062 INFO L225 Difference]: With dead ends: 398 [2019-10-22 11:21:00,063 INFO L226 Difference]: Without dead ends: 216 [2019-10-22 11:21:00,063 INFO L600 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 [2019-10-22 11:21:00,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 216 states. [2019-10-22 11:21:00,077 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 216 to 158. [2019-10-22 11:21:00,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 158 states. [2019-10-22 11:21:00,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 209 transitions. [2019-10-22 11:21:00,078 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 209 transitions. Word has length 54 [2019-10-22 11:21:00,078 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:21:00,078 INFO L462 AbstractCegarLoop]: Abstraction has 158 states and 209 transitions. [2019-10-22 11:21:00,078 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 11:21:00,078 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 209 transitions. [2019-10-22 11:21:00,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2019-10-22 11:21:00,079 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:21:00,079 INFO L380 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] [2019-10-22 11:21:00,080 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:21:00,080 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:21:00,080 INFO L82 PathProgramCache]: Analyzing trace with hash 473466575, now seen corresponding path program 1 times [2019-10-22 11:21:00,080 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:21:00,081 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [210573696] [2019-10-22 11:21:00,081 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:21:00,081 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:21:00,081 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:21:00,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:21:00,158 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:21:00,158 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [210573696] [2019-10-22 11:21:00,159 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2121733327] [2019-10-22 11:21:00,159 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8f0eec9c-4a1d-4675-a998-3c2752be6bdb/bin/utaipan/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 [2019-10-22 11:21:00,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:21:00,273 INFO L256 TraceCheckSpWp]: Trace formula consists of 418 conjuncts, 6 conjunts are in the unsatisfiable core [2019-10-22 11:21:00,279 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 11:21:00,316 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:21:00,316 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 11:21:00,346 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:21:00,346 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleAbstractInterpretation [477463384] [2019-10-22 11:21:00,357 INFO L211 CegarAbsIntRunner]: Running AI on error trace of length 56 [2019-10-22 11:21:00,394 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2019-10-22 11:21:00,394 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-22 11:21:00,829 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-22 11:21:00,830 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: inappropriate decl info IMPLEMENTATION at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Boogie2SmtSymbolTable.getBoogieVar(Boogie2SmtSymbolTable.java:222) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.nonrelational.NonrelationalStatementProcessor.getBoogieVar(NonrelationalStatementProcessor.java:348) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.nonrelational.NonrelationalStatementProcessor.handleHavocStatement(NonrelationalStatementProcessor.java:325) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.nonrelational.NonrelationalStatementProcessor.processStatement(NonrelationalStatementProcessor.java:159) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.nonrelational.NonrelationalStatementProcessor.process(NonrelationalStatementProcessor.java:138) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.nonrelational.NonrelationalStatementProcessor.process(NonrelationalStatementProcessor.java:107) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.nonrelational.NonrelationalPostOperator.handleInternalTransition(NonrelationalPostOperator.java:422) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.nonrelational.NonrelationalPostOperator.handleInternalTransition(NonrelationalPostOperator.java:413) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.nonrelational.NonrelationalPostOperator.apply(NonrelationalPostOperator.java:140) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.nonrelational.NonrelationalPostOperator.apply(NonrelationalPostOperator.java:1) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.compound.CompoundDomainPostOperator.applyInternally(CompoundDomainPostOperator.java:306) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.compound.CompoundDomainPostOperator.apply(CompoundDomainPostOperator.java:131) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.compound.CompoundDomainPostOperator.apply(CompoundDomainPostOperator.java:1) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.transformula.poorman.PoormanCachedPostOperation.restoreOriginalStateVariables(PoormanCachedPostOperation.java:322) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.transformula.poorman.PoormansAbstractPostOperator.applyPost(PoormansAbstractPostOperator.java:217) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.transformula.poorman.PoormansAbstractPostOperator.apply(PoormansAbstractPostOperator.java:120) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.transformula.poorman.PoormansAbstractPostOperator.apply(PoormansAbstractPostOperator.java:1) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.absint.DisjunctiveAbstractState.lambda$17(DisjunctiveAbstractState.java:323) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.absint.DisjunctiveAbstractState.mapCollection(DisjunctiveAbstractState.java:519) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.absint.DisjunctiveAbstractState.apply(DisjunctiveAbstractState.java:323) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.algorithm.FixpointEngine.calculateAbstractPost(FixpointEngine.java:249) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.algorithm.FixpointEngine.calculateFixpoint(FixpointEngine.java:134) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.algorithm.FixpointEngine.run(FixpointEngine.java:105) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.tool.AbstractInterpreter.runWithoutTimeoutAndResults(AbstractInterpreter.java:149) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarAbsIntRunner.generateFixpoints(CegarAbsIntRunner.java:227) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarAbsIntRunner.(CegarAbsIntRunner.java:158) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleAbstractInterpretation.getOrConstructRunner(IpTcStrategyModuleAbstractInterpretation.java:74) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleAbstractInterpretation.construct(IpTcStrategyModuleAbstractInterpretation.java:81) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:77) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.tryExecuteInterpolantGenerator(TraceAbstractionRefinementEngine.java:299) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.generateProof(TraceAbstractionRefinementEngine.java:184) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.executeStrategy(TraceAbstractionRefinementEngine.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.RefinementEngineFactory.runRefinementEngine(RefinementEngineFactory.java:124) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:431) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:419) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:368) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:332) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:170) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:122) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-10-22 11:21:00,835 INFO L168 Benchmark]: Toolchain (without parser) took 3980.62 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.3 MB). Free memory was 939.1 MB in the beginning and 976.7 MB in the end (delta: -37.5 MB). Peak memory consumption was 98.8 MB. Max. memory is 11.5 GB. [2019-10-22 11:21:00,836 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 967.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 11:21:00,836 INFO L168 Benchmark]: CACSL2BoogieTranslator took 464.66 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.3 MB). Free memory was 939.1 MB in the beginning and 1.1 GB in the end (delta: -178.4 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. [2019-10-22 11:21:00,837 INFO L168 Benchmark]: Boogie Procedure Inliner took 78.74 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-10-22 11:21:00,837 INFO L168 Benchmark]: Boogie Preprocessor took 72.20 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-10-22 11:21:00,837 INFO L168 Benchmark]: RCFGBuilder took 848.23 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 65.3 MB). Peak memory consumption was 65.3 MB. Max. memory is 11.5 GB. [2019-10-22 11:21:00,838 INFO L168 Benchmark]: TraceAbstraction took 2512.35 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 976.7 MB in the end (delta: 64.8 MB). Peak memory consumption was 64.8 MB. Max. memory is 11.5 GB. [2019-10-22 11:21:00,841 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 967.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 464.66 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.3 MB). Free memory was 939.1 MB in the beginning and 1.1 GB in the end (delta: -178.4 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 78.74 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 72.20 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 848.23 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 65.3 MB). Peak memory consumption was 65.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2512.35 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 976.7 MB in the end (delta: 64.8 MB). Peak memory consumption was 64.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: inappropriate decl info IMPLEMENTATION de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: inappropriate decl info IMPLEMENTATION: de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Boogie2SmtSymbolTable.getBoogieVar(Boogie2SmtSymbolTable.java:222) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-cad4683 [2019-10-22 11:21:02,888 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 11:21:02,889 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 11:21:02,898 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 11:21:02,899 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 11:21:02,899 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 11:21:02,901 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 11:21:02,902 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 11:21:02,904 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 11:21:02,904 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 11:21:02,905 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 11:21:02,906 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 11:21:02,906 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 11:21:02,907 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 11:21:02,908 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 11:21:02,909 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 11:21:02,910 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 11:21:02,910 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 11:21:02,912 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 11:21:02,913 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 11:21:02,915 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 11:21:02,916 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 11:21:02,917 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 11:21:02,917 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 11:21:02,919 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 11:21:02,920 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 11:21:02,920 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 11:21:02,921 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 11:21:02,921 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 11:21:02,922 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 11:21:02,922 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 11:21:02,923 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 11:21:02,930 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 11:21:02,930 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 11:21:02,931 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 11:21:02,932 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 11:21:02,932 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 11:21:02,932 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 11:21:02,933 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 11:21:02,933 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 11:21:02,934 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 11:21:02,934 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_8f0eec9c-4a1d-4675-a998-3c2752be6bdb/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2019-10-22 11:21:02,946 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 11:21:02,946 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 11:21:02,947 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-22 11:21:02,947 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-22 11:21:02,947 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-22 11:21:02,947 INFO L138 SettingsManager]: * Explicit value domain=true [2019-10-22 11:21:02,948 INFO L138 SettingsManager]: * Octagon Domain=false [2019-10-22 11:21:02,948 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-10-22 11:21:02,948 INFO L138 SettingsManager]: * Interval Domain=false [2019-10-22 11:21:02,949 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 11:21:02,949 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 11:21:02,949 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 11:21:02,949 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 11:21:02,949 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 11:21:02,949 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 11:21:02,949 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 11:21:02,950 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-10-22 11:21:02,950 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-10-22 11:21:02,950 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 11:21:02,950 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 11:21:02,950 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 11:21:02,950 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 11:21:02,950 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 11:21:02,951 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 11:21:02,951 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 11:21:02,951 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 11:21:02,951 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 11:21:02,951 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 11:21:02,951 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 11:21:02,952 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 11:21:02,952 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-10-22 11:21:02,952 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-10-22 11:21:02,952 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 11:21:02,953 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-22 11:21:02,953 INFO L138 SettingsManager]: * Logic for external solver=AUFBV Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_8f0eec9c-4a1d-4675-a998-3c2752be6bdb/bin/utaipan 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 -> Taipan 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 -> 99a0574ff0f23dd43b458f22f446fd063a15f78d [2019-10-22 11:21:02,980 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 11:21:02,990 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 11:21:02,993 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 11:21:02,995 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 11:21:02,995 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 11:21:02,996 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_8f0eec9c-4a1d-4675-a998-3c2752be6bdb/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec4_product58.cil.c [2019-10-22 11:21:03,047 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8f0eec9c-4a1d-4675-a998-3c2752be6bdb/bin/utaipan/data/bff8fc17b/d472ca762db74a0baf6d33d74cb9148f/FLAG072fba329 [2019-10-22 11:21:03,479 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 11:21:03,479 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_8f0eec9c-4a1d-4675-a998-3c2752be6bdb/sv-benchmarks/c/product-lines/minepump_spec4_product58.cil.c [2019-10-22 11:21:03,493 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8f0eec9c-4a1d-4675-a998-3c2752be6bdb/bin/utaipan/data/bff8fc17b/d472ca762db74a0baf6d33d74cb9148f/FLAG072fba329 [2019-10-22 11:21:03,876 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_8f0eec9c-4a1d-4675-a998-3c2752be6bdb/bin/utaipan/data/bff8fc17b/d472ca762db74a0baf6d33d74cb9148f [2019-10-22 11:21:03,878 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 11:21:03,879 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 11:21:03,880 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 11:21:03,881 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 11:21:03,884 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 11:21:03,885 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:21:03" (1/1) ... [2019-10-22 11:21:03,887 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2cbf3e0a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:03, skipping insertion in model container [2019-10-22 11:21:03,887 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:21:03" (1/1) ... [2019-10-22 11:21:03,896 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 11:21:03,947 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 11:21:04,297 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:21:04,330 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 11:21:04,442 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:21:04,478 INFO L192 MainTranslator]: Completed translation [2019-10-22 11:21:04,479 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:04 WrapperNode [2019-10-22 11:21:04,479 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 11:21:04,480 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 11:21:04,480 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 11:21:04,480 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 11:21:04,488 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:04" (1/1) ... [2019-10-22 11:21:04,503 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:04" (1/1) ... [2019-10-22 11:21:04,539 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 11:21:04,539 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 11:21:04,539 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 11:21:04,539 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 11:21:04,548 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:04" (1/1) ... [2019-10-22 11:21:04,548 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:04" (1/1) ... [2019-10-22 11:21:04,552 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:04" (1/1) ... [2019-10-22 11:21:04,552 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:04" (1/1) ... [2019-10-22 11:21:04,563 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:04" (1/1) ... [2019-10-22 11:21:04,570 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:04" (1/1) ... [2019-10-22 11:21:04,572 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:04" (1/1) ... [2019-10-22 11:21:04,576 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 11:21:04,576 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 11:21:04,577 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 11:21:04,577 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 11:21:04,577 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:04" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8f0eec9c-4a1d-4675-a998-3c2752be6bdb/bin/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 11:21:04,632 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 11:21:04,632 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2019-10-22 11:21:04,633 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 11:21:04,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 11:21:05,621 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 11:21:05,622 INFO L284 CfgBuilder]: Removed 194 assume(true) statements. [2019-10-22 11:21:05,623 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:21:05 BoogieIcfgContainer [2019-10-22 11:21:05,623 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 11:21:05,624 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 11:21:05,624 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 11:21:05,627 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 11:21:05,627 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 11:21:03" (1/3) ... [2019-10-22 11:21:05,628 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@779834cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:21:05, skipping insertion in model container [2019-10-22 11:21:05,629 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:04" (2/3) ... [2019-10-22 11:21:05,629 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@779834cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:21:05, skipping insertion in model container [2019-10-22 11:21:05,629 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:21:05" (3/3) ... [2019-10-22 11:21:05,631 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product58.cil.c [2019-10-22 11:21:05,641 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 11:21:05,649 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-10-22 11:21:05,656 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-10-22 11:21:05,678 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 11:21:05,678 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-22 11:21:05,678 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 11:21:05,679 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 11:21:05,679 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 11:21:05,679 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 11:21:05,679 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 11:21:05,679 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 11:21:05,692 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states. [2019-10-22 11:21:05,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-10-22 11:21:05,698 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:21:05,698 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:21:05,700 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:21:05,704 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:21:05,705 INFO L82 PathProgramCache]: Analyzing trace with hash 1138467236, now seen corresponding path program 1 times [2019-10-22 11:21:05,713 INFO L157 tionRefinementEngine]: Executing refinement strategy WALRUS [2019-10-22 11:21:05,713 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1111640582] [2019-10-22 11:21:05,713 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8f0eec9c-4a1d-4675-a998-3c2752be6bdb/bin/utaipan/cvc4 Starting monitored process 2 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-10-22 11:21:05,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:21:05,880 INFO L256 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 1 conjunts are in the unsatisfiable core [2019-10-22 11:21:05,885 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 11:21:05,898 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:21:05,898 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 11:21:05,902 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:21:05,903 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1111640582] [2019-10-22 11:21:05,904 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:21:05,904 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-10-22 11:21:05,904 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1419862249] [2019-10-22 11:21:05,908 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-22 11:21:05,908 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-10-22 11:21:05,920 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-22 11:21:05,921 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-22 11:21:05,922 INFO L87 Difference]: Start difference. First operand 135 states. Second operand 2 states. [2019-10-22 11:21:05,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:21:05,957 INFO L93 Difference]: Finished difference Result 264 states and 395 transitions. [2019-10-22 11:21:05,957 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-22 11:21:05,958 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2019-10-22 11:21:05,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:21:05,969 INFO L225 Difference]: With dead ends: 264 [2019-10-22 11:21:05,969 INFO L226 Difference]: Without dead ends: 131 [2019-10-22 11:21:05,973 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-22 11:21:05,988 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2019-10-22 11:21:06,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 131. [2019-10-22 11:21:06,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 131 states. [2019-10-22 11:21:06,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 189 transitions. [2019-10-22 11:21:06,013 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 189 transitions. Word has length 16 [2019-10-22 11:21:06,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:21:06,013 INFO L462 AbstractCegarLoop]: Abstraction has 131 states and 189 transitions. [2019-10-22 11:21:06,014 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-22 11:21:06,014 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 189 transitions. [2019-10-22 11:21:06,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-10-22 11:21:06,015 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:21:06,015 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:21:06,216 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-10-22 11:21:06,216 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:21:06,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:21:06,216 INFO L82 PathProgramCache]: Analyzing trace with hash 1722273200, now seen corresponding path program 1 times [2019-10-22 11:21:06,217 INFO L157 tionRefinementEngine]: Executing refinement strategy WALRUS [2019-10-22 11:21:06,217 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1829185505] [2019-10-22 11:21:06,217 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8f0eec9c-4a1d-4675-a998-3c2752be6bdb/bin/utaipan/cvc4 Starting monitored process 3 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-10-22 11:21:06,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:21:06,367 INFO L256 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 2 conjunts are in the unsatisfiable core [2019-10-22 11:21:06,368 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 11:21:06,387 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:21:06,391 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 11:21:06,401 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:21:06,401 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1829185505] [2019-10-22 11:21:06,401 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:21:06,402 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2019-10-22 11:21:06,402 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1599122612] [2019-10-22 11:21:06,403 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 11:21:06,403 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-10-22 11:21:06,407 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 11:21:06,407 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-22 11:21:06,407 INFO L87 Difference]: Start difference. First operand 131 states and 189 transitions. Second operand 4 states. [2019-10-22 11:21:06,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:21:06,456 INFO L93 Difference]: Finished difference Result 256 states and 372 transitions. [2019-10-22 11:21:06,456 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 11:21:06,456 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 17 [2019-10-22 11:21:06,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:21:06,457 INFO L225 Difference]: With dead ends: 256 [2019-10-22 11:21:06,458 INFO L226 Difference]: Without dead ends: 131 [2019-10-22 11:21:06,459 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-22 11:21:06,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2019-10-22 11:21:06,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 131. [2019-10-22 11:21:06,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 131 states. [2019-10-22 11:21:06,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 186 transitions. [2019-10-22 11:21:06,472 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 186 transitions. Word has length 17 [2019-10-22 11:21:06,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:21:06,472 INFO L462 AbstractCegarLoop]: Abstraction has 131 states and 186 transitions. [2019-10-22 11:21:06,472 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 11:21:06,472 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 186 transitions. [2019-10-22 11:21:06,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-10-22 11:21:06,473 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:21:06,473 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:21:06,674 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-10-22 11:21:06,674 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:21:06,675 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:21:06,675 INFO L82 PathProgramCache]: Analyzing trace with hash -1192811417, now seen corresponding path program 1 times [2019-10-22 11:21:06,675 INFO L157 tionRefinementEngine]: Executing refinement strategy WALRUS [2019-10-22 11:21:06,675 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1570783989] [2019-10-22 11:21:06,676 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8f0eec9c-4a1d-4675-a998-3c2752be6bdb/bin/utaipan/cvc4 Starting monitored process 4 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-10-22 11:21:06,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:21:06,818 INFO L256 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 2 conjunts are in the unsatisfiable core [2019-10-22 11:21:06,819 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 11:21:06,828 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:21:06,828 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 11:21:06,830 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:21:06,830 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1570783989] [2019-10-22 11:21:06,831 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:21:06,831 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2019-10-22 11:21:06,831 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2019499594] [2019-10-22 11:21:06,831 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 11:21:06,832 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-10-22 11:21:06,832 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 11:21:06,832 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:21:06,833 INFO L87 Difference]: Start difference. First operand 131 states and 186 transitions. Second operand 3 states. [2019-10-22 11:21:07,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:21:07,018 INFO L93 Difference]: Finished difference Result 303 states and 429 transitions. [2019-10-22 11:21:07,020 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 11:21:07,020 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2019-10-22 11:21:07,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:21:07,021 INFO L225 Difference]: With dead ends: 303 [2019-10-22 11:21:07,021 INFO L226 Difference]: Without dead ends: 178 [2019-10-22 11:21:07,022 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:21:07,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 178 states. [2019-10-22 11:21:07,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 178 to 172. [2019-10-22 11:21:07,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 172 states. [2019-10-22 11:21:07,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 237 transitions. [2019-10-22 11:21:07,053 INFO L78 Accepts]: Start accepts. Automaton has 172 states and 237 transitions. Word has length 19 [2019-10-22 11:21:07,053 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:21:07,053 INFO L462 AbstractCegarLoop]: Abstraction has 172 states and 237 transitions. [2019-10-22 11:21:07,056 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 11:21:07,056 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 237 transitions. [2019-10-22 11:21:07,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-10-22 11:21:07,057 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:21:07,057 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:21:07,258 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-10-22 11:21:07,259 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:21:07,259 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:21:07,259 INFO L82 PathProgramCache]: Analyzing trace with hash -1778717285, now seen corresponding path program 1 times [2019-10-22 11:21:07,260 INFO L157 tionRefinementEngine]: Executing refinement strategy WALRUS [2019-10-22 11:21:07,260 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [149900925] [2019-10-22 11:21:07,260 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8f0eec9c-4a1d-4675-a998-3c2752be6bdb/bin/utaipan/cvc4 Starting monitored process 5 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-10-22 11:21:07,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:21:07,414 INFO L256 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 6 conjunts are in the unsatisfiable core [2019-10-22 11:21:07,415 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 11:21:07,436 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:21:07,436 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 11:21:07,479 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:21:07,481 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [149900925] [2019-10-22 11:21:07,482 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:21:07,482 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 7 [2019-10-22 11:21:07,482 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1945552430] [2019-10-22 11:21:07,483 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-22 11:21:07,483 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-10-22 11:21:07,483 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-22 11:21:07,483 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-10-22 11:21:07,484 INFO L87 Difference]: Start difference. First operand 172 states and 237 transitions. Second operand 8 states. [2019-10-22 11:21:08,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:21:08,263 INFO L93 Difference]: Finished difference Result 1198 states and 1683 transitions. [2019-10-22 11:21:08,264 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-10-22 11:21:08,264 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 25 [2019-10-22 11:21:08,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:21:08,268 INFO L225 Difference]: With dead ends: 1198 [2019-10-22 11:21:08,269 INFO L226 Difference]: Without dead ends: 1032 [2019-10-22 11:21:08,270 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=77, Invalid=163, Unknown=0, NotChecked=0, Total=240 [2019-10-22 11:21:08,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1032 states. [2019-10-22 11:21:08,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1032 to 415. [2019-10-22 11:21:08,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 415 states. [2019-10-22 11:21:08,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 415 states to 415 states and 558 transitions. [2019-10-22 11:21:08,332 INFO L78 Accepts]: Start accepts. Automaton has 415 states and 558 transitions. Word has length 25 [2019-10-22 11:21:08,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:21:08,332 INFO L462 AbstractCegarLoop]: Abstraction has 415 states and 558 transitions. [2019-10-22 11:21:08,332 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-22 11:21:08,333 INFO L276 IsEmpty]: Start isEmpty. Operand 415 states and 558 transitions. [2019-10-22 11:21:08,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2019-10-22 11:21:08,335 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:21:08,335 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:21:08,537 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-10-22 11:21:08,538 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:21:08,538 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:21:08,538 INFO L82 PathProgramCache]: Analyzing trace with hash 198333521, now seen corresponding path program 1 times [2019-10-22 11:21:08,539 INFO L157 tionRefinementEngine]: Executing refinement strategy WALRUS [2019-10-22 11:21:08,539 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [589667982] [2019-10-22 11:21:08,539 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8f0eec9c-4a1d-4675-a998-3c2752be6bdb/bin/utaipan/cvc4 Starting monitored process 6 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-10-22 11:21:08,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:21:08,701 INFO L256 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 5 conjunts are in the unsatisfiable core [2019-10-22 11:21:08,704 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 11:21:08,722 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:21:08,722 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 11:21:08,727 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:21:08,727 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [589667982] [2019-10-22 11:21:08,728 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:21:08,728 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2019-10-22 11:21:08,728 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1385857160] [2019-10-22 11:21:08,728 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 11:21:08,729 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-10-22 11:21:08,729 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 11:21:08,729 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 11:21:08,729 INFO L87 Difference]: Start difference. First operand 415 states and 558 transitions. Second operand 5 states. [2019-10-22 11:21:08,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:21:08,931 INFO L93 Difference]: Finished difference Result 1110 states and 1455 transitions. [2019-10-22 11:21:08,931 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-22 11:21:08,931 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 44 [2019-10-22 11:21:08,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:21:08,934 INFO L225 Difference]: With dead ends: 1110 [2019-10-22 11:21:08,934 INFO L226 Difference]: Without dead ends: 701 [2019-10-22 11:21:08,935 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-10-22 11:21:08,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 701 states. [2019-10-22 11:21:08,975 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 701 to 460. [2019-10-22 11:21:08,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 460 states. [2019-10-22 11:21:08,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 460 states to 460 states and 603 transitions. [2019-10-22 11:21:08,977 INFO L78 Accepts]: Start accepts. Automaton has 460 states and 603 transitions. Word has length 44 [2019-10-22 11:21:08,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:21:08,977 INFO L462 AbstractCegarLoop]: Abstraction has 460 states and 603 transitions. [2019-10-22 11:21:08,978 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 11:21:08,978 INFO L276 IsEmpty]: Start isEmpty. Operand 460 states and 603 transitions. [2019-10-22 11:21:08,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2019-10-22 11:21:08,980 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:21:08,980 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:21:09,180 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-10-22 11:21:09,180 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:21:09,181 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:21:09,181 INFO L82 PathProgramCache]: Analyzing trace with hash 1584536915, now seen corresponding path program 1 times [2019-10-22 11:21:09,181 INFO L157 tionRefinementEngine]: Executing refinement strategy WALRUS [2019-10-22 11:21:09,181 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1603622480] [2019-10-22 11:21:09,182 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8f0eec9c-4a1d-4675-a998-3c2752be6bdb/bin/utaipan/cvc4 Starting monitored process 7 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-10-22 11:21:09,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:21:09,329 INFO L256 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 5 conjunts are in the unsatisfiable core [2019-10-22 11:21:09,331 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 11:21:09,342 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:21:09,342 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 11:21:09,358 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:21:09,359 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1603622480] [2019-10-22 11:21:09,359 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:21:09,359 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2019-10-22 11:21:09,359 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [515146941] [2019-10-22 11:21:09,361 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-22 11:21:09,361 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-10-22 11:21:09,361 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-22 11:21:09,361 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-10-22 11:21:09,362 INFO L87 Difference]: Start difference. First operand 460 states and 603 transitions. Second operand 6 states. [2019-10-22 11:21:09,522 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:21:09,522 INFO L93 Difference]: Finished difference Result 1013 states and 1311 transitions. [2019-10-22 11:21:09,524 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-22 11:21:09,524 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 44 [2019-10-22 11:21:09,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:21:09,526 INFO L225 Difference]: With dead ends: 1013 [2019-10-22 11:21:09,526 INFO L226 Difference]: Without dead ends: 522 [2019-10-22 11:21:09,527 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-10-22 11:21:09,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 522 states. [2019-10-22 11:21:09,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 522 to 354. [2019-10-22 11:21:09,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 354 states. [2019-10-22 11:21:09,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 354 states and 460 transitions. [2019-10-22 11:21:09,565 INFO L78 Accepts]: Start accepts. Automaton has 354 states and 460 transitions. Word has length 44 [2019-10-22 11:21:09,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:21:09,566 INFO L462 AbstractCegarLoop]: Abstraction has 354 states and 460 transitions. [2019-10-22 11:21:09,566 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-22 11:21:09,566 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states and 460 transitions. [2019-10-22 11:21:09,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2019-10-22 11:21:09,569 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:21:09,569 INFO L380 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:21:09,769 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-10-22 11:21:09,770 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:21:09,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:21:09,770 INFO L82 PathProgramCache]: Analyzing trace with hash -1276890087, now seen corresponding path program 1 times [2019-10-22 11:21:09,771 INFO L157 tionRefinementEngine]: Executing refinement strategy WALRUS [2019-10-22 11:21:09,771 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [442226435] [2019-10-22 11:21:09,771 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8f0eec9c-4a1d-4675-a998-3c2752be6bdb/bin/utaipan/cvc4 Starting monitored process 8 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-10-22 11:21:09,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:21:09,921 INFO L256 TraceCheckSpWp]: Trace formula consists of 225 conjuncts, 2 conjunts are in the unsatisfiable core [2019-10-22 11:21:09,922 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 11:21:09,931 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:21:09,931 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 11:21:09,937 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:21:09,937 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [442226435] [2019-10-22 11:21:09,937 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:21:09,937 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2019-10-22 11:21:09,938 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [321610968] [2019-10-22 11:21:09,938 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 11:21:09,938 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-10-22 11:21:09,938 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 11:21:09,938 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:21:09,939 INFO L87 Difference]: Start difference. First operand 354 states and 460 transitions. Second operand 3 states. [2019-10-22 11:21:09,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:21:09,957 INFO L93 Difference]: Finished difference Result 354 states and 460 transitions. [2019-10-22 11:21:09,958 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 11:21:09,958 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 49 [2019-10-22 11:21:09,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:21:09,959 INFO L225 Difference]: With dead ends: 354 [2019-10-22 11:21:09,959 INFO L226 Difference]: Without dead ends: 158 [2019-10-22 11:21:09,959 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:21:09,960 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2019-10-22 11:21:09,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 158. [2019-10-22 11:21:09,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 158 states. [2019-10-22 11:21:09,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 210 transitions. [2019-10-22 11:21:09,973 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 210 transitions. Word has length 49 [2019-10-22 11:21:09,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:21:09,973 INFO L462 AbstractCegarLoop]: Abstraction has 158 states and 210 transitions. [2019-10-22 11:21:09,973 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 11:21:09,974 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 210 transitions. [2019-10-22 11:21:09,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-10-22 11:21:09,974 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:21:09,974 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:21:10,175 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-10-22 11:21:10,175 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:21:10,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:21:10,176 INFO L82 PathProgramCache]: Analyzing trace with hash 731988412, now seen corresponding path program 1 times [2019-10-22 11:21:10,176 INFO L157 tionRefinementEngine]: Executing refinement strategy WALRUS [2019-10-22 11:21:10,177 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1313552512] [2019-10-22 11:21:10,178 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8f0eec9c-4a1d-4675-a998-3c2752be6bdb/bin/utaipan/cvc4 Starting monitored process 9 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-10-22 11:21:10,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:21:10,321 INFO L256 TraceCheckSpWp]: Trace formula consists of 225 conjuncts, 5 conjunts are in the unsatisfiable core [2019-10-22 11:21:10,322 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 11:21:10,339 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-10-22 11:21:10,339 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 11:21:10,344 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-10-22 11:21:10,344 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1313552512] [2019-10-22 11:21:10,344 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:21:10,344 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2019-10-22 11:21:10,344 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1373739719] [2019-10-22 11:21:10,345 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 11:21:10,345 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-10-22 11:21:10,345 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 11:21:10,345 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 11:21:10,345 INFO L87 Difference]: Start difference. First operand 158 states and 210 transitions. Second operand 5 states. [2019-10-22 11:21:10,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:21:10,505 INFO L93 Difference]: Finished difference Result 417 states and 561 transitions. [2019-10-22 11:21:10,506 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-22 11:21:10,506 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 53 [2019-10-22 11:21:10,506 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:21:10,507 INFO L225 Difference]: With dead ends: 417 [2019-10-22 11:21:10,508 INFO L226 Difference]: Without dead ends: 415 [2019-10-22 11:21:10,508 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-10-22 11:21:10,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 415 states. [2019-10-22 11:21:10,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 415 to 158. [2019-10-22 11:21:10,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 158 states. [2019-10-22 11:21:10,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 209 transitions. [2019-10-22 11:21:10,524 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 209 transitions. Word has length 53 [2019-10-22 11:21:10,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:21:10,525 INFO L462 AbstractCegarLoop]: Abstraction has 158 states and 209 transitions. [2019-10-22 11:21:10,525 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 11:21:10,525 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 209 transitions. [2019-10-22 11:21:10,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2019-10-22 11:21:10,525 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:21:10,526 INFO L380 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] [2019-10-22 11:21:10,726 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-10-22 11:21:10,726 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:21:10,727 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:21:10,727 INFO L82 PathProgramCache]: Analyzing trace with hash 473466575, now seen corresponding path program 1 times [2019-10-22 11:21:10,727 INFO L157 tionRefinementEngine]: Executing refinement strategy WALRUS [2019-10-22 11:21:10,727 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1152721369] [2019-10-22 11:21:10,727 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8f0eec9c-4a1d-4675-a998-3c2752be6bdb/bin/utaipan/cvc4 Starting monitored process 10 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-10-22 11:21:10,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:21:10,883 INFO L256 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 11 conjunts are in the unsatisfiable core [2019-10-22 11:21:10,885 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 11:21:10,942 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-10-22 11:21:10,942 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 11:21:10,993 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-10-22 11:21:10,993 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1152721369] [2019-10-22 11:21:10,993 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [799906003] [2019-10-22 11:21:10,993 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8f0eec9c-4a1d-4675-a998-3c2752be6bdb/bin/utaipan/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-22 11:21:11,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:21:11,135 INFO L256 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 7 conjunts are in the unsatisfiable core [2019-10-22 11:21:11,137 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 11:21:11,150 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-10-22 11:21:11,150 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 11:21:11,158 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-10-22 11:21:11,159 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 4 imperfect interpolant sequences. [2019-10-22 11:21:11,159 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5, 5] total 10 [2019-10-22 11:21:11,159 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [860292428] [2019-10-22 11:21:11,160 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-10-22 11:21:11,160 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-10-22 11:21:11,160 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-10-22 11:21:11,160 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2019-10-22 11:21:11,160 INFO L87 Difference]: Start difference. First operand 158 states and 209 transitions. Second operand 11 states. [2019-10-22 11:21:12,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:21:12,109 INFO L93 Difference]: Finished difference Result 1034 states and 1405 transitions. [2019-10-22 11:21:12,109 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2019-10-22 11:21:12,109 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 55 [2019-10-22 11:21:12,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:21:12,113 INFO L225 Difference]: With dead ends: 1034 [2019-10-22 11:21:12,113 INFO L226 Difference]: Without dead ends: 906 [2019-10-22 11:21:12,114 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 236 GetRequests, 205 SyntacticMatches, 2 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 237 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=228, Invalid=702, Unknown=0, NotChecked=0, Total=930 [2019-10-22 11:21:12,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 906 states. [2019-10-22 11:21:12,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 906 to 283. [2019-10-22 11:21:12,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 283 states. [2019-10-22 11:21:12,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 283 states and 383 transitions. [2019-10-22 11:21:12,149 INFO L78 Accepts]: Start accepts. Automaton has 283 states and 383 transitions. Word has length 55 [2019-10-22 11:21:12,150 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:21:12,150 INFO L462 AbstractCegarLoop]: Abstraction has 283 states and 383 transitions. [2019-10-22 11:21:12,150 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-10-22 11:21:12,150 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 383 transitions. [2019-10-22 11:21:12,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2019-10-22 11:21:12,151 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:21:12,151 INFO L380 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] [2019-10-22 11:21:12,552 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 cvc4 --incremental --print-success --lang smt --rewrite-divk,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-22 11:21:12,552 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:21:12,552 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:21:12,552 INFO L82 PathProgramCache]: Analyzing trace with hash -2086945688, now seen corresponding path program 2 times [2019-10-22 11:21:12,553 INFO L157 tionRefinementEngine]: Executing refinement strategy WALRUS [2019-10-22 11:21:12,553 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1200990202] [2019-10-22 11:21:12,553 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8f0eec9c-4a1d-4675-a998-3c2752be6bdb/bin/utaipan/cvc4 Starting monitored process 12 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-10-22 11:21:14,394 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2019-10-22 11:21:14,395 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-10-22 11:21:14,432 INFO L256 TraceCheckSpWp]: Trace formula consists of 259 conjuncts, 9 conjunts are in the unsatisfiable core [2019-10-22 11:21:14,435 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 11:21:14,474 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-22 11:21:14,507 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-10-22 11:21:14,507 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 11:21:14,544 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-10-22 11:21:14,544 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1200990202] [2019-10-22 11:21:14,545 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:21:14,545 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 9 [2019-10-22 11:21:14,545 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1298974636] [2019-10-22 11:21:14,545 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-22 11:21:14,545 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-10-22 11:21:14,545 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-22 11:21:14,546 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2019-10-22 11:21:14,546 INFO L87 Difference]: Start difference. First operand 283 states and 383 transitions. Second operand 9 states. [2019-10-22 11:21:15,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:21:15,512 INFO L93 Difference]: Finished difference Result 1205 states and 1635 transitions. [2019-10-22 11:21:15,512 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2019-10-22 11:21:15,513 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 76 [2019-10-22 11:21:15,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:21:15,516 INFO L225 Difference]: With dead ends: 1205 [2019-10-22 11:21:15,516 INFO L226 Difference]: Without dead ends: 872 [2019-10-22 11:21:15,517 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 149 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=148, Invalid=314, Unknown=0, NotChecked=0, Total=462 [2019-10-22 11:21:15,518 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 872 states. [2019-10-22 11:21:15,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 872 to 341. [2019-10-22 11:21:15,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 341 states. [2019-10-22 11:21:15,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 341 states and 453 transitions. [2019-10-22 11:21:15,572 INFO L78 Accepts]: Start accepts. Automaton has 341 states and 453 transitions. Word has length 76 [2019-10-22 11:21:15,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:21:15,572 INFO L462 AbstractCegarLoop]: Abstraction has 341 states and 453 transitions. [2019-10-22 11:21:15,572 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-22 11:21:15,572 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 453 transitions. [2019-10-22 11:21:15,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2019-10-22 11:21:15,573 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:21:15,573 INFO L380 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] [2019-10-22 11:21:15,774 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-10-22 11:21:15,774 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:21:15,774 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:21:15,775 INFO L82 PathProgramCache]: Analyzing trace with hash -1812186074, now seen corresponding path program 1 times [2019-10-22 11:21:15,775 INFO L157 tionRefinementEngine]: Executing refinement strategy WALRUS [2019-10-22 11:21:15,775 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [29724897] [2019-10-22 11:21:15,775 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8f0eec9c-4a1d-4675-a998-3c2752be6bdb/bin/utaipan/cvc4 Starting monitored process 13 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-10-22 11:21:15,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:21:15,953 INFO L256 TraceCheckSpWp]: Trace formula consists of 259 conjuncts, 8 conjunts are in the unsatisfiable core [2019-10-22 11:21:15,955 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 11:21:15,988 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-10-22 11:21:15,988 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 11:21:16,028 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-10-22 11:21:16,028 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [29724897] [2019-10-22 11:21:16,028 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:21:16,028 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6, 5] imperfect sequences [] total 9 [2019-10-22 11:21:16,029 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [344133076] [2019-10-22 11:21:16,029 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-22 11:21:16,029 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-10-22 11:21:16,029 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-22 11:21:16,029 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2019-10-22 11:21:16,030 INFO L87 Difference]: Start difference. First operand 341 states and 453 transitions. Second operand 9 states. [2019-10-22 11:21:16,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:21:16,139 INFO L93 Difference]: Finished difference Result 514 states and 676 transitions. [2019-10-22 11:21:16,140 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-22 11:21:16,140 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 76 [2019-10-22 11:21:16,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:21:16,140 INFO L225 Difference]: With dead ends: 514 [2019-10-22 11:21:16,140 INFO L226 Difference]: Without dead ends: 0 [2019-10-22 11:21:16,141 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 145 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2019-10-22 11:21:16,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-22 11:21:16,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-22 11:21:16,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-22 11:21:16,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-22 11:21:16,142 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 76 [2019-10-22 11:21:16,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:21:16,142 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 11:21:16,142 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-22 11:21:16,142 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-22 11:21:16,142 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-22 11:21:16,343 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-10-22 11:21:16,346 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-22 11:21:16,557 WARN L191 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 75 [2019-10-22 11:21:17,141 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 121 [2019-10-22 11:21:17,388 WARN L191 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 27 [2019-10-22 11:21:17,802 WARN L191 SmtUtils]: Spent 412.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 35 [2019-10-22 11:21:18,124 WARN L191 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 34 [2019-10-22 11:21:18,446 WARN L191 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 35 [2019-10-22 11:21:18,668 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 30 [2019-10-22 11:21:19,107 WARN L191 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 35 [2019-10-22 11:21:19,387 WARN L191 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 27 [2019-10-22 11:21:19,709 WARN L191 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 39 [2019-10-22 11:21:20,037 WARN L191 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 34 [2019-10-22 11:21:20,138 INFO L443 ceAbstractionStarter]: For program point L928(lines 927 974) no Hoare annotation was computed. [2019-10-22 11:21:20,138 INFO L443 ceAbstractionStarter]: For program point L796(lines 796 802) no Hoare annotation was computed. [2019-10-22 11:21:20,138 INFO L443 ceAbstractionStarter]: For program point L763(lines 763 771) no Hoare annotation was computed. [2019-10-22 11:21:20,138 INFO L443 ceAbstractionStarter]: For program point L796-2(lines 796 802) no Hoare annotation was computed. [2019-10-22 11:21:20,138 INFO L443 ceAbstractionStarter]: For program point L763-1(lines 763 771) no Hoare annotation was computed. [2019-10-22 11:21:20,138 INFO L443 ceAbstractionStarter]: For program point L763-2(lines 763 771) no Hoare annotation was computed. [2019-10-22 11:21:20,138 INFO L443 ceAbstractionStarter]: For program point L796-4(lines 796 802) no Hoare annotation was computed. [2019-10-22 11:21:20,138 INFO L443 ceAbstractionStarter]: For program point L796-6(lines 796 802) no Hoare annotation was computed. [2019-10-22 11:21:20,138 INFO L443 ceAbstractionStarter]: For program point L796-8(lines 796 802) no Hoare annotation was computed. [2019-10-22 11:21:20,138 INFO L443 ceAbstractionStarter]: For program point L796-10(lines 796 802) no Hoare annotation was computed. [2019-10-22 11:21:20,139 INFO L443 ceAbstractionStarter]: For program point L929(lines 929 933) no Hoare annotation was computed. [2019-10-22 11:21:20,139 INFO L439 ceAbstractionStarter]: At program point L830(lines 825 833) the Hoare annotation is: false [2019-10-22 11:21:20,139 INFO L439 ceAbstractionStarter]: At program point L830-1(lines 825 833) the Hoare annotation is: false [2019-10-22 11:21:20,139 INFO L439 ceAbstractionStarter]: At program point L830-2(lines 825 833) the Hoare annotation is: false [2019-10-22 11:21:20,139 INFO L439 ceAbstractionStarter]: At program point L566-2(lines 566 580) the Hoare annotation is: (and (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) (= (bvadd ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~3 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ULTIMATE.start_isHighWaterLevel_~tmp~8 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv1 32) |ULTIMATE.start_getWaterLevel_#res|)) [2019-10-22 11:21:20,139 INFO L443 ceAbstractionStarter]: For program point L567(line 567) no Hoare annotation was computed. [2019-10-22 11:21:20,139 INFO L443 ceAbstractionStarter]: For program point L534(lines 534 540) no Hoare annotation was computed. [2019-10-22 11:21:20,139 INFO L443 ceAbstractionStarter]: For program point L534-1(lines 534 540) no Hoare annotation was computed. [2019-10-22 11:21:20,139 INFO L443 ceAbstractionStarter]: For program point L534-2(lines 534 540) no Hoare annotation was computed. [2019-10-22 11:21:20,142 INFO L443 ceAbstractionStarter]: For program point L534-3(lines 534 540) no Hoare annotation was computed. [2019-10-22 11:21:20,142 INFO L443 ceAbstractionStarter]: For program point L534-4(lines 534 540) no Hoare annotation was computed. [2019-10-22 11:21:20,142 INFO L443 ceAbstractionStarter]: For program point L534-5(lines 534 540) no Hoare annotation was computed. [2019-10-22 11:21:20,142 INFO L443 ceAbstractionStarter]: For program point L898(lines 898 902) no Hoare annotation was computed. [2019-10-22 11:21:20,142 INFO L443 ceAbstractionStarter]: For program point L898-2(lines 898 902) no Hoare annotation was computed. [2019-10-22 11:21:20,142 INFO L443 ceAbstractionStarter]: For program point L898-3(lines 898 902) no Hoare annotation was computed. [2019-10-22 11:21:20,142 INFO L443 ceAbstractionStarter]: For program point L733(lines 733 750) no Hoare annotation was computed. [2019-10-22 11:21:20,142 INFO L443 ceAbstractionStarter]: For program point L898-5(lines 898 902) no Hoare annotation was computed. [2019-10-22 11:21:20,142 INFO L443 ceAbstractionStarter]: For program point L733-1(lines 733 750) no Hoare annotation was computed. [2019-10-22 11:21:20,143 INFO L443 ceAbstractionStarter]: For program point L898-6(lines 898 902) no Hoare annotation was computed. [2019-10-22 11:21:20,143 INFO L443 ceAbstractionStarter]: For program point L733-2(lines 733 750) no Hoare annotation was computed. [2019-10-22 11:21:20,143 INFO L443 ceAbstractionStarter]: For program point L733-3(lines 733 750) no Hoare annotation was computed. [2019-10-22 11:21:20,143 INFO L443 ceAbstractionStarter]: For program point L898-8(lines 898 902) no Hoare annotation was computed. [2019-10-22 11:21:20,143 INFO L443 ceAbstractionStarter]: For program point L733-4(lines 733 750) no Hoare annotation was computed. [2019-10-22 11:21:20,143 INFO L443 ceAbstractionStarter]: For program point L733-5(lines 733 750) no Hoare annotation was computed. [2019-10-22 11:21:20,143 INFO L443 ceAbstractionStarter]: For program point L469(lines 469 473) no Hoare annotation was computed. [2019-10-22 11:21:20,143 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 439) no Hoare annotation was computed. [2019-10-22 11:21:20,144 INFO L443 ceAbstractionStarter]: For program point L965(lines 965 969) no Hoare annotation was computed. [2019-10-22 11:21:20,144 INFO L439 ceAbstractionStarter]: At program point L965-2(lines 701 707) the Hoare annotation is: (let ((.cse4 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)))) (let ((.cse0 (= (bvadd ~waterLevel~0 (_ bv4294967294 32)) (_ bv0 32))) (.cse2 (and (= (_ bv0 32) ~pumpRunning~0) .cse4)) (.cse1 (bvslt ULTIMATE.start_test_~splverifierCounter~0 (_ bv4 32))) (.cse3 (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|))) (or (and (and .cse0 (and .cse1 .cse2)) .cse3) (and .cse3 (and .cse0 (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (and .cse1 .cse4) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~3 (_ bv0 32))))) (and (and .cse2 .cse1 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) .cse3)))) [2019-10-22 11:21:20,144 INFO L439 ceAbstractionStarter]: At program point L701(lines 700 719) the Hoare annotation is: (let ((.cse3 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)))) (let ((.cse1 (and (= (_ bv0 32) ~pumpRunning~0) .cse3)) (.cse0 (bvslt ULTIMATE.start_test_~splverifierCounter~0 (_ bv4 32))) (.cse4 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse2 (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|))) (or (and (and (= (bvadd ~waterLevel~0 (_ bv4294967294 32)) (_ bv0 32)) (and .cse0 .cse1)) .cse2) (and (and (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) .cse0 .cse3 .cse4 (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~3 (_ bv0 32)))) .cse2) (and (and .cse1 .cse0 .cse4) .cse2)))) [2019-10-22 11:21:20,144 INFO L443 ceAbstractionStarter]: For program point L701-1(lines 701 707) no Hoare annotation was computed. [2019-10-22 11:21:20,144 INFO L439 ceAbstractionStarter]: At program point L701-2(lines 700 719) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-10-22 11:21:20,144 INFO L439 ceAbstractionStarter]: At program point L701-3(lines 700 719) the Hoare annotation is: (and (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) (= (bvadd ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~3 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ULTIMATE.start_isHighWaterLevel_~tmp~8 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv1 32) |ULTIMATE.start_getWaterLevel_#res|)) [2019-10-22 11:21:20,144 INFO L443 ceAbstractionStarter]: For program point L570(lines 570 574) no Hoare annotation was computed. [2019-10-22 11:21:20,144 INFO L443 ceAbstractionStarter]: For program point L570-1(lines 701 707) no Hoare annotation was computed. [2019-10-22 11:21:20,145 INFO L443 ceAbstractionStarter]: For program point L439(line 439) no Hoare annotation was computed. [2019-10-22 11:21:20,145 INFO L443 ceAbstractionStarter]: For program point L439-1(line 439) no Hoare annotation was computed. [2019-10-22 11:21:20,145 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 439) no Hoare annotation was computed. [2019-10-22 11:21:20,145 INFO L443 ceAbstractionStarter]: For program point L439-2(line 439) no Hoare annotation was computed. [2019-10-22 11:21:20,145 INFO L443 ceAbstractionStarter]: For program point L737(lines 737 745) no Hoare annotation was computed. [2019-10-22 11:21:20,145 INFO L443 ceAbstractionStarter]: For program point L737-1(lines 737 745) no Hoare annotation was computed. [2019-10-22 11:21:20,145 INFO L443 ceAbstractionStarter]: For program point L737-2(lines 737 745) no Hoare annotation was computed. [2019-10-22 11:21:20,145 INFO L443 ceAbstractionStarter]: For program point L737-3(lines 737 745) no Hoare annotation was computed. [2019-10-22 11:21:20,145 INFO L443 ceAbstractionStarter]: For program point L737-4(lines 737 745) no Hoare annotation was computed. [2019-10-22 11:21:20,145 INFO L443 ceAbstractionStarter]: For program point L737-5(lines 737 745) no Hoare annotation was computed. [2019-10-22 11:21:20,145 INFO L439 ceAbstractionStarter]: At program point L539(lines 530 543) the Hoare annotation is: false [2019-10-22 11:21:20,146 INFO L439 ceAbstractionStarter]: At program point L539-1(lines 530 543) the Hoare annotation is: (let ((.cse0 (= (_ bv0 32) ~pumpRunning~0)) (.cse1 (bvslt ULTIMATE.start_test_~splverifierCounter~0 (_ bv4 32))) (.cse2 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse3 (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|))) (or (and (and (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) .cse0 .cse1 .cse2 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) .cse3) (and (and (= (bvadd ~waterLevel~0 (_ bv4294967294 32)) (_ bv0 32)) (and .cse0 .cse1 .cse2)) .cse3))) [2019-10-22 11:21:20,146 INFO L439 ceAbstractionStarter]: At program point L539-2(lines 530 543) the Hoare annotation is: false [2019-10-22 11:21:20,146 INFO L439 ceAbstractionStarter]: At program point L539-3(lines 530 543) the Hoare annotation is: (and (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-10-22 11:21:20,146 INFO L439 ceAbstractionStarter]: At program point L539-4(lines 530 543) the Hoare annotation is: false [2019-10-22 11:21:20,146 INFO L439 ceAbstractionStarter]: At program point L539-5(lines 530 543) the Hoare annotation is: (and (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) (= (bvadd ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~3 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv1 32) |ULTIMATE.start_getWaterLevel_#res|)) [2019-10-22 11:21:20,146 INFO L443 ceAbstractionStarter]: For program point L937(lines 937 943) no Hoare annotation was computed. [2019-10-22 11:21:20,146 INFO L439 ceAbstractionStarter]: At program point L937-1(lines 937 943) the Hoare annotation is: (let ((.cse4 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)))) (let ((.cse0 (= (bvadd ~waterLevel~0 (_ bv4294967294 32)) (_ bv0 32))) (.cse2 (and (= (_ bv0 32) ~pumpRunning~0) .cse4)) (.cse1 (bvslt ULTIMATE.start_test_~splverifierCounter~0 (_ bv4 32))) (.cse3 (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|))) (or (and (and .cse0 (and .cse1 .cse2)) .cse3) (and .cse3 (and .cse0 (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (and .cse1 .cse4) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~3 (_ bv0 32))))) (and (and .cse2 .cse1 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) .cse3)))) [2019-10-22 11:21:20,146 INFO L439 ceAbstractionStarter]: At program point L904(lines 889 907) the Hoare annotation is: (and (= (bvadd ULTIMATE.start_isLowWaterLevel_~tmp___0~2 (_ bv4294967295 32)) (_ bv0 32)) (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (bvslt ULTIMATE.start_test_~splverifierCounter~0 (_ bv4 32)) (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd |ULTIMATE.start_isLowWaterLevel_#res| (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|) (= ULTIMATE.start_isLowWaterLevel_~tmp~9 (_ bv0 32)) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~3 (_ bv0 32)))) [2019-10-22 11:21:20,146 INFO L439 ceAbstractionStarter]: At program point L904-1(lines 889 907) the Hoare annotation is: false [2019-10-22 11:21:20,147 INFO L439 ceAbstractionStarter]: At program point L904-2(lines 889 907) the Hoare annotation is: false [2019-10-22 11:21:20,147 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 439) no Hoare annotation was computed. [2019-10-22 11:21:20,147 INFO L439 ceAbstractionStarter]: At program point L708(lines 708 714) the Hoare annotation is: (let ((.cse1 (bvslt ULTIMATE.start_test_~splverifierCounter~0 (_ bv4 32))) (.cse2 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse4 (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|))) (or (and (let ((.cse0 (= (_ bv0 32) ~pumpRunning~0)) (.cse3 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)))) (or (and .cse0 (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) .cse1 .cse2 .cse3 (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~3 (_ bv0 32)))) (and (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) (= (bvadd ULTIMATE.start_isHighWaterLevel_~tmp~8 (_ bv4294967295 32)) (_ bv0 32)) .cse1 (and .cse0 .cse2 .cse3)))) .cse4) (and (and (= (bvadd ~waterLevel~0 (_ bv4294967294 32)) (_ bv0 32)) (and .cse1 .cse2)) .cse4))) [2019-10-22 11:21:20,147 INFO L439 ceAbstractionStarter]: At program point L708-1(lines 708 714) the Hoare annotation is: (and (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ULTIMATE.start_isHighWaterLevel_~tmp~8 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-10-22 11:21:20,147 INFO L443 ceAbstractionStarter]: For program point L642(lines 642 649) no Hoare annotation was computed. [2019-10-22 11:21:20,147 INFO L439 ceAbstractionStarter]: At program point L708-2(lines 708 714) the Hoare annotation is: (and (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) (= (bvadd ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~3 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ULTIMATE.start_isHighWaterLevel_~tmp~8 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv1 32) |ULTIMATE.start_getWaterLevel_#res|)) [2019-10-22 11:21:20,147 INFO L446 ceAbstractionStarter]: At program point L642-1(lines 642 649) the Hoare annotation is: true [2019-10-22 11:21:20,147 INFO L439 ceAbstractionStarter]: At program point L975(lines 926 976) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-10-22 11:21:20,151 INFO L439 ceAbstractionStarter]: At program point L678(lines 1 982) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-10-22 11:21:20,151 INFO L443 ceAbstractionStarter]: For program point L481(lines 481 485) no Hoare annotation was computed. [2019-10-22 11:21:20,152 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-10-22 11:21:20,152 INFO L443 ceAbstractionStarter]: For program point L879(lines 879 883) no Hoare annotation was computed. [2019-10-22 11:21:20,152 INFO L443 ceAbstractionStarter]: For program point L879-2(lines 879 883) no Hoare annotation was computed. [2019-10-22 11:21:20,152 INFO L443 ceAbstractionStarter]: For program point L879-3(lines 879 883) no Hoare annotation was computed. [2019-10-22 11:21:20,152 INFO L443 ceAbstractionStarter]: For program point L879-5(lines 879 883) no Hoare annotation was computed. [2019-10-22 11:21:20,152 INFO L443 ceAbstractionStarter]: For program point L879-6(lines 879 883) no Hoare annotation was computed. [2019-10-22 11:21:20,152 INFO L439 ceAbstractionStarter]: At program point L615(lines 611 617) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-10-22 11:21:20,152 INFO L443 ceAbstractionStarter]: For program point L879-8(lines 879 883) no Hoare annotation was computed. [2019-10-22 11:21:20,152 INFO L443 ceAbstractionStarter]: For program point L879-9(lines 879 883) no Hoare annotation was computed. [2019-10-22 11:21:20,152 INFO L439 ceAbstractionStarter]: At program point L549(lines 544 552) the Hoare annotation is: (and (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (bvslt ULTIMATE.start_test_~splverifierCounter~0 (_ bv4 32)) (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~3 (_ bv0 32)))) [2019-10-22 11:21:20,153 INFO L439 ceAbstractionStarter]: At program point L549-1(lines 544 552) the Hoare annotation is: false [2019-10-22 11:21:20,153 INFO L443 ceAbstractionStarter]: For program point L879-11(lines 879 883) no Hoare annotation was computed. [2019-10-22 11:21:20,153 INFO L439 ceAbstractionStarter]: At program point L549-2(lines 544 552) the Hoare annotation is: false [2019-10-22 11:21:20,153 INFO L443 ceAbstractionStarter]: For program point L879-12(lines 879 883) no Hoare annotation was computed. [2019-10-22 11:21:20,153 INFO L443 ceAbstractionStarter]: For program point L417(lines 417 430) no Hoare annotation was computed. [2019-10-22 11:21:20,154 INFO L443 ceAbstractionStarter]: For program point L879-14(lines 879 883) no Hoare annotation was computed. [2019-10-22 11:21:20,154 INFO L439 ceAbstractionStarter]: At program point L417-1(lines 1 982) the Hoare annotation is: (let ((.cse1 (bvslt ULTIMATE.start_test_~splverifierCounter~0 (_ bv4 32))) (.cse0 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse2 (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|))) (or (and (and (and (= (_ bv0 32) ~pumpRunning~0) .cse0) .cse1 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) .cse2) (and (= (bvadd ~waterLevel~0 (_ bv4294967294 32)) (_ bv0 32)) (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) .cse1 .cse0 .cse2 (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~3 (_ bv0 32)))))) [2019-10-22 11:21:20,154 INFO L443 ceAbstractionStarter]: For program point L879-15(lines 879 883) no Hoare annotation was computed. [2019-10-22 11:21:20,155 INFO L443 ceAbstractionStarter]: For program point L417-2(lines 417 430) no Hoare annotation was computed. [2019-10-22 11:21:20,155 INFO L439 ceAbstractionStarter]: At program point L417-3(lines 1 982) the Hoare annotation is: (and (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) (= (bvadd ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~3 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ULTIMATE.start_isHighWaterLevel_~tmp~8 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv1 32) |ULTIMATE.start_getWaterLevel_#res|)) [2019-10-22 11:21:20,155 INFO L443 ceAbstractionStarter]: For program point L879-17(lines 879 883) no Hoare annotation was computed. [2019-10-22 11:21:20,155 INFO L443 ceAbstractionStarter]: For program point L417-4(lines 417 430) no Hoare annotation was computed. [2019-10-22 11:21:20,155 INFO L439 ceAbstractionStarter]: At program point L417-5(lines 1 982) the Hoare annotation is: (and (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) (= (bvadd ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~3 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ULTIMATE.start_isHighWaterLevel_~tmp~8 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv1 32) |ULTIMATE.start_getWaterLevel_#res|)) [2019-10-22 11:21:20,155 INFO L443 ceAbstractionStarter]: For program point L947(lines 947 953) no Hoare annotation was computed. [2019-10-22 11:21:20,155 INFO L439 ceAbstractionStarter]: At program point L947-1(lines 947 953) the Hoare annotation is: (let ((.cse4 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)))) (let ((.cse0 (= (bvadd ~waterLevel~0 (_ bv4294967294 32)) (_ bv0 32))) (.cse2 (and (= (_ bv0 32) ~pumpRunning~0) .cse4)) (.cse1 (bvslt ULTIMATE.start_test_~splverifierCounter~0 (_ bv4 32))) (.cse3 (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|))) (or (and (and .cse0 (and .cse1 .cse2)) .cse3) (and .cse3 (and .cse0 (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (and .cse1 .cse4) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~3 (_ bv0 32))))) (and (and .cse2 .cse1 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) .cse3)))) [2019-10-22 11:21:20,155 INFO L446 ceAbstractionStarter]: At program point L651(lines 632 654) the Hoare annotation is: true [2019-10-22 11:21:20,156 INFO L443 ceAbstractionStarter]: For program point L421(lines 421 427) no Hoare annotation was computed. [2019-10-22 11:21:20,156 INFO L443 ceAbstractionStarter]: For program point L421-2(lines 421 427) no Hoare annotation was computed. [2019-10-22 11:21:20,156 INFO L443 ceAbstractionStarter]: For program point L421-4(lines 421 427) no Hoare annotation was computed. [2019-10-22 11:21:20,156 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-22 11:21:20,156 INFO L439 ceAbstractionStarter]: At program point L686(lines 681 689) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-10-22 11:21:20,156 INFO L439 ceAbstractionStarter]: At program point L885(lines 870 888) the Hoare annotation is: false [2019-10-22 11:21:20,157 INFO L439 ceAbstractionStarter]: At program point L885-1(lines 870 888) the Hoare annotation is: (let ((.cse0 (= (_ bv0 32) ~pumpRunning~0)) (.cse1 (bvslt ULTIMATE.start_test_~splverifierCounter~0 (_ bv4 32))) (.cse2 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse3 (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|))) (or (and (and (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) .cse0 (= (bvadd ULTIMATE.start_isHighWaterLevel_~tmp~8 (_ bv4294967295 32)) (_ bv0 32)) .cse1 (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv0 32)) (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 (_ bv0 32)) .cse2 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) .cse3) (and (and (= (bvadd ~waterLevel~0 (_ bv4294967294 32)) (_ bv0 32)) (and .cse0 .cse1 .cse2)) .cse3))) [2019-10-22 11:21:20,157 INFO L439 ceAbstractionStarter]: At program point L885-2(lines 870 888) the Hoare annotation is: false [2019-10-22 11:21:20,157 INFO L439 ceAbstractionStarter]: At program point L885-3(lines 870 888) the Hoare annotation is: (and (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ULTIMATE.start_isHighWaterLevel_~tmp~8 (_ bv4294967295 32)) (_ bv0 32)) (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv0 32)) (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-10-22 11:21:20,157 INFO L439 ceAbstractionStarter]: At program point L885-4(lines 870 888) the Hoare annotation is: false [2019-10-22 11:21:20,157 INFO L439 ceAbstractionStarter]: At program point L885-5(lines 870 888) the Hoare annotation is: (and (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) (= (bvadd ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~3 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ULTIMATE.start_isHighWaterLevel_~tmp~8 (_ bv4294967295 32)) (_ bv0 32)) (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv0 32)) (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv1 32) |ULTIMATE.start_getWaterLevel_#res|)) [2019-10-22 11:21:20,157 INFO L443 ceAbstractionStarter]: For program point L457(lines 457 461) no Hoare annotation was computed. [2019-10-22 11:21:20,157 INFO L443 ceAbstractionStarter]: For program point L457-3(lines 457 461) no Hoare annotation was computed. [2019-10-22 11:21:20,157 INFO L443 ceAbstractionStarter]: For program point L457-6(lines 457 461) no Hoare annotation was computed. [2019-10-22 11:21:20,157 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-22 11:21:20,157 INFO L439 ceAbstractionStarter]: At program point L821(lines 814 824) the Hoare annotation is: false [2019-10-22 11:21:20,158 INFO L439 ceAbstractionStarter]: At program point L821-1(lines 814 824) the Hoare annotation is: (and (= (bvadd ~waterLevel~0 (_ bv4294967294 32)) (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (bvslt ULTIMATE.start_test_~splverifierCounter~0 (_ bv4 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|)) [2019-10-22 11:21:20,158 INFO L439 ceAbstractionStarter]: At program point L821-2(lines 814 824) the Hoare annotation is: false [2019-10-22 11:21:20,158 INFO L439 ceAbstractionStarter]: At program point L821-3(lines 814 824) the Hoare annotation is: false [2019-10-22 11:21:20,158 INFO L439 ceAbstractionStarter]: At program point L821-4(lines 814 824) the Hoare annotation is: false [2019-10-22 11:21:20,158 INFO L439 ceAbstractionStarter]: At program point L821-5(lines 814 824) the Hoare annotation is: false [2019-10-22 11:21:20,159 INFO L439 ceAbstractionStarter]: At program point L526(lines 521 529) the Hoare annotation is: (let ((.cse1 (bvslt ULTIMATE.start_test_~splverifierCounter~0 (_ bv4 32))) (.cse2 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse0 (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|))) (or (and .cse0 (and (= (_ bv0 32) ~pumpRunning~0) .cse1 .cse2 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv1 32) |ULTIMATE.start_getWaterLevel_#res|))) (and (= (bvadd ~waterLevel~0 (_ bv4294967294 32)) (_ bv0 32)) (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) .cse1 .cse2 .cse0))) [2019-10-22 11:21:20,159 INFO L439 ceAbstractionStarter]: At program point L526-1(lines 521 529) the Hoare annotation is: (and (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ULTIMATE.start_isHighWaterLevel_~tmp~8 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv1 32) |ULTIMATE.start_getWaterLevel_#res|)) [2019-10-22 11:21:20,160 INFO L439 ceAbstractionStarter]: At program point L526-2(lines 521 529) the Hoare annotation is: (and (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ULTIMATE.start_isHighWaterLevel_~tmp~8 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv1 32) |ULTIMATE.start_getWaterLevel_#res|)) [2019-10-22 11:21:20,160 INFO L439 ceAbstractionStarter]: At program point L494(lines 489 497) the Hoare annotation is: false [2019-10-22 11:21:20,160 INFO L439 ceAbstractionStarter]: At program point L494-1(lines 489 497) the Hoare annotation is: (and (= (bvadd ~waterLevel~0 (_ bv4294967294 32)) (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (bvslt ULTIMATE.start_test_~splverifierCounter~0 (_ bv4 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|)) [2019-10-22 11:21:20,160 INFO L439 ceAbstractionStarter]: At program point L494-2(lines 489 497) the Hoare annotation is: false [2019-10-22 11:21:20,160 INFO L439 ceAbstractionStarter]: At program point L494-3(lines 489 497) the Hoare annotation is: false [2019-10-22 11:21:20,160 INFO L439 ceAbstractionStarter]: At program point L494-4(lines 489 497) the Hoare annotation is: false [2019-10-22 11:21:20,160 INFO L439 ceAbstractionStarter]: At program point L494-5(lines 489 497) the Hoare annotation is: false [2019-10-22 11:21:20,160 INFO L443 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-10-22 11:21:20,160 INFO L443 ceAbstractionStarter]: For program point L957(lines 957 970) no Hoare annotation was computed. [2019-10-22 11:21:20,160 INFO L443 ceAbstractionStarter]: For program point L759(lines 759 776) no Hoare annotation was computed. [2019-10-22 11:21:20,160 INFO L443 ceAbstractionStarter]: For program point L759-1(lines 759 776) no Hoare annotation was computed. [2019-10-22 11:21:20,160 INFO L443 ceAbstractionStarter]: For program point L759-2(lines 759 776) no Hoare annotation was computed. [2019-10-22 11:21:20,203 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 11:21:20 BoogieIcfgContainer [2019-10-22 11:21:20,203 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-22 11:21:20,203 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 11:21:20,203 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 11:21:20,203 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 11:21:20,205 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:21:05" (3/4) ... [2019-10-22 11:21:20,208 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-10-22 11:21:20,228 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-10-22 11:21:20,235 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-10-22 11:21:20,236 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2019-10-22 11:21:20,237 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-10-22 11:21:20,237 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-10-22 11:21:20,238 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-10-22 11:21:20,273 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((0bv32 == pumpRunning && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 [2019-10-22 11:21:20,273 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((0bv32 == pumpRunning && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 [2019-10-22 11:21:20,273 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((0bv32 == pumpRunning && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvslt32(splverifierCounter, 4bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result) || (((((~bvadd64(waterLevel, 4294967294bv32) == 0bv32 && !(0bv32 == \result)) && ~bvslt32(splverifierCounter, 4bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result) && !(tmp == 0bv32)) [2019-10-22 11:21:20,273 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((~bvadd64(waterLevel, 4294967294bv32) == 0bv32 && ~bvslt32(splverifierCounter, 4bv32) && 0bv32 == pumpRunning && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result) || (1bv32 == \result && ((~bvadd64(waterLevel, 4294967294bv32) == 0bv32 && !(0bv32 == \result)) && ~bvslt32(splverifierCounter, 4bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && !(tmp == 0bv32))) || ((((0bv32 == pumpRunning && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvslt32(splverifierCounter, 4bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result) [2019-10-22 11:21:20,273 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1bv32 == \result && 0bv32 == pumpRunning) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 [2019-10-22 11:21:20,274 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((~bvadd64(waterLevel, 4294967294bv32) == 0bv32 && ~bvslt32(splverifierCounter, 4bv32) && 0bv32 == pumpRunning && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result) || (1bv32 == \result && ((~bvadd64(waterLevel, 4294967294bv32) == 0bv32 && !(0bv32 == \result)) && ~bvslt32(splverifierCounter, 4bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && !(tmp == 0bv32))) || ((((0bv32 == pumpRunning && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvslt32(splverifierCounter, 4bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result) [2019-10-22 11:21:20,274 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((~bvadd64(waterLevel, 4294967294bv32) == 0bv32 && ~bvslt32(splverifierCounter, 4bv32) && 0bv32 == pumpRunning && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result) || (1bv32 == \result && ((~bvadd64(waterLevel, 4294967294bv32) == 0bv32 && !(0bv32 == \result)) && ~bvslt32(splverifierCounter, 4bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && !(tmp == 0bv32))) || ((((0bv32 == pumpRunning && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvslt32(splverifierCounter, 4bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result) [2019-10-22 11:21:20,274 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((~bvadd64(waterLevel, 4294967294bv32) == 0bv32 && ~bvslt32(splverifierCounter, 4bv32) && 0bv32 == pumpRunning && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result) || (((((!(0bv32 == \result) && ~bvslt32(splverifierCounter, 4bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && !(tmp == 0bv32)) && 1bv32 == \result)) || ((((0bv32 == pumpRunning && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvslt32(splverifierCounter, 4bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result) [2019-10-22 11:21:20,274 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1bv32 == \result && 0bv32 == pumpRunning) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result [2019-10-22 11:21:20,274 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((0bv32 == pumpRunning && !(0bv32 == \result)) && ~bvslt32(splverifierCounter, 4bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && !(tmp == 0bv32)) || (((1bv32 == \result && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && ~bvslt32(splverifierCounter, 4bv32)) && (0bv32 == pumpRunning && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32)) && 1bv32 == \result) || ((~bvadd64(waterLevel, 4294967294bv32) == 0bv32 && ~bvslt32(splverifierCounter, 4bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result) [2019-10-22 11:21:20,275 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1bv32 == \result && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result [2019-10-22 11:21:20,275 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1bv32 == \result && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result [2019-10-22 11:21:20,275 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (1bv32 == \result && (((0bv32 == pumpRunning && ~bvslt32(splverifierCounter, 4bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result) || ((((~bvadd64(waterLevel, 4294967294bv32) == 0bv32 && !(0bv32 == \result)) && ~bvslt32(splverifierCounter, 4bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result) [2019-10-22 11:21:20,276 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((1bv32 == \result && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 [2019-10-22 11:21:20,276 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1bv32 == \result && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result [2019-10-22 11:21:20,276 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1bv32 == \result && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result [2019-10-22 11:21:20,277 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(0bv32 == \result) && ~bvslt32(splverifierCounter, 4bv32)) && \result == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result) && !(tmp == 0bv32) [2019-10-22 11:21:20,277 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1bv32 == \result && 0bv32 == pumpRunning) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && \result == 0bv32) && tmp___0 == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 [2019-10-22 11:21:20,278 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1bv32 == \result && 0bv32 == pumpRunning) && ~bvslt32(splverifierCounter, 4bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result) || ((~bvadd64(waterLevel, 4294967294bv32) == 0bv32 && (0bv32 == pumpRunning && ~bvslt32(splverifierCounter, 4bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result) [2019-10-22 11:21:20,278 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1bv32 == \result && 0bv32 == pumpRunning) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result [2019-10-22 11:21:20,278 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((~bvadd64(tmp___0, 4294967295bv32) == 0bv32 && !(0bv32 == \result)) && ~bvslt32(splverifierCounter, 4bv32)) && \result == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result) && tmp == 0bv32) && !(tmp == 0bv32) [2019-10-22 11:21:20,278 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1bv32 == \result && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result [2019-10-22 11:21:20,279 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((1bv32 == \result && 0bv32 == pumpRunning) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && ~bvslt32(splverifierCounter, 4bv32)) && \result == 0bv32) && tmp___0 == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result) || ((~bvadd64(waterLevel, 4294967294bv32) == 0bv32 && (0bv32 == pumpRunning && ~bvslt32(splverifierCounter, 4bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result) [2019-10-22 11:21:20,279 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1bv32 == \result && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result [2019-10-22 11:21:20,280 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((1bv32 == \result && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && \result == 0bv32) && tmp___0 == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result [2019-10-22 11:21:20,280 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((~bvadd64(waterLevel, 4294967294bv32) == 0bv32 && 0bv32 == pumpRunning) && ~bvslt32(splverifierCounter, 4bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result [2019-10-22 11:21:20,280 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((~bvadd64(waterLevel, 4294967294bv32) == 0bv32 && 0bv32 == pumpRunning) && ~bvslt32(splverifierCounter, 4bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result [2019-10-22 11:21:20,360 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_8f0eec9c-4a1d-4675-a998-3c2752be6bdb/bin/utaipan/witness.graphml [2019-10-22 11:21:20,360 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 11:21:20,361 INFO L168 Benchmark]: Toolchain (without parser) took 16481.99 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 364.9 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -171.9 MB). Peak memory consumption was 193.0 MB. Max. memory is 11.5 GB. [2019-10-22 11:21:20,361 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 1.0 GB. Free memory is still 977.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 11:21:20,361 INFO L168 Benchmark]: CACSL2BoogieTranslator took 598.77 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 171.4 MB). Free memory was 947.0 MB in the beginning and 1.2 GB in the end (delta: -205.2 MB). Peak memory consumption was 24.6 MB. Max. memory is 11.5 GB. [2019-10-22 11:21:20,362 INFO L168 Benchmark]: Boogie Procedure Inliner took 59.20 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. [2019-10-22 11:21:20,362 INFO L168 Benchmark]: Boogie Preprocessor took 37.27 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 11:21:20,362 INFO L168 Benchmark]: RCFGBuilder took 1046.55 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 76.5 MB). Peak memory consumption was 76.5 MB. Max. memory is 11.5 GB. [2019-10-22 11:21:20,362 INFO L168 Benchmark]: TraceAbstraction took 14579.05 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 193.5 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -69.1 MB). Peak memory consumption was 352.6 MB. Max. memory is 11.5 GB. [2019-10-22 11:21:20,363 INFO L168 Benchmark]: Witness Printer took 156.66 ms. Allocated memory is still 1.4 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 19.4 MB). Peak memory consumption was 19.4 MB. Max. memory is 11.5 GB. [2019-10-22 11:21:20,365 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 1.0 GB. Free memory is still 977.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 598.77 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 171.4 MB). Free memory was 947.0 MB in the beginning and 1.2 GB in the end (delta: -205.2 MB). Peak memory consumption was 24.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 59.20 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 37.27 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 1046.55 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 76.5 MB). Peak memory consumption was 76.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 14579.05 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 193.5 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -69.1 MB). Peak memory consumption was 352.6 MB. Max. memory is 11.5 GB. * Witness Printer took 156.66 ms. Allocated memory is still 1.4 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 19.4 MB). Peak memory consumption was 19.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 439]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 439]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 439]: 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: 521]: Loop Invariant Derived loop invariant: (1bv32 == \result && (((0bv32 == pumpRunning && ~bvslt32(splverifierCounter, 4bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result) || ((((~bvadd64(waterLevel, 4294967294bv32) == 0bv32 && !(0bv32 == \result)) && ~bvslt32(splverifierCounter, 4bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result) - InvariantResult [Line: 701]: Loop Invariant Derived loop invariant: (((~bvadd64(waterLevel, 4294967294bv32) == 0bv32 && ~bvslt32(splverifierCounter, 4bv32) && 0bv32 == pumpRunning && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result) || (1bv32 == \result && ((~bvadd64(waterLevel, 4294967294bv32) == 0bv32 && !(0bv32 == \result)) && ~bvslt32(splverifierCounter, 4bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && !(tmp == 0bv32))) || ((((0bv32 == pumpRunning && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvslt32(splverifierCounter, 4bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result) - InvariantResult [Line: 521]: Loop Invariant Derived loop invariant: ((((1bv32 == \result && 0bv32 == pumpRunning) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result - InvariantResult [Line: 521]: Loop Invariant Derived loop invariant: ((((1bv32 == \result && 0bv32 == pumpRunning) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result - InvariantResult [Line: 870]: Loop Invariant Derived loop invariant: ((((((((1bv32 == \result && 0bv32 == pumpRunning) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && ~bvslt32(splverifierCounter, 4bv32)) && \result == 0bv32) && tmp___0 == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result) || ((~bvadd64(waterLevel, 4294967294bv32) == 0bv32 && (0bv32 == pumpRunning && ~bvslt32(splverifierCounter, 4bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result) - InvariantResult [Line: 489]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((1bv32 == \result && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result - InvariantResult [Line: 825]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 870]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 825]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 947]: Loop Invariant Derived loop invariant: (((~bvadd64(waterLevel, 4294967294bv32) == 0bv32 && ~bvslt32(splverifierCounter, 4bv32) && 0bv32 == pumpRunning && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result) || (1bv32 == \result && ((~bvadd64(waterLevel, 4294967294bv32) == 0bv32 && !(0bv32 == \result)) && ~bvslt32(splverifierCounter, 4bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && !(tmp == 0bv32))) || ((((0bv32 == pumpRunning && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvslt32(splverifierCounter, 4bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result) - InvariantResult [Line: 870]: Loop Invariant Derived loop invariant: (((((1bv32 == \result && 0bv32 == pumpRunning) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && \result == 0bv32) && tmp___0 == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 - InvariantResult [Line: 825]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((1bv32 == \result && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result - InvariantResult [Line: 870]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 870]: Loop Invariant Derived loop invariant: (((((((1bv32 == \result && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && \result == 0bv32) && tmp___0 == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result - InvariantResult [Line: 544]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 489]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 544]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 489]: Loop Invariant Derived loop invariant: (((~bvadd64(waterLevel, 4294967294bv32) == 0bv32 && 0bv32 == pumpRunning) && ~bvslt32(splverifierCounter, 4bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result - InvariantResult [Line: 489]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 632]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 489]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((0bv32 == pumpRunning && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvslt32(splverifierCounter, 4bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result) || (((((~bvadd64(waterLevel, 4294967294bv32) == 0bv32 && !(0bv32 == \result)) && ~bvslt32(splverifierCounter, 4bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result) && !(tmp == 0bv32)) - InvariantResult [Line: 870]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 489]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 937]: Loop Invariant Derived loop invariant: (((~bvadd64(waterLevel, 4294967294bv32) == 0bv32 && ~bvslt32(splverifierCounter, 4bv32) && 0bv32 == pumpRunning && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result) || (1bv32 == \result && ((~bvadd64(waterLevel, 4294967294bv32) == 0bv32 && !(0bv32 == \result)) && ~bvslt32(splverifierCounter, 4bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && !(tmp == 0bv32))) || ((((0bv32 == pumpRunning && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvslt32(splverifierCounter, 4bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result) - InvariantResult [Line: 889]: Loop Invariant Derived loop invariant: ((((((((~bvadd64(tmp___0, 4294967295bv32) == 0bv32 && !(0bv32 == \result)) && ~bvslt32(splverifierCounter, 4bv32)) && \result == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result) && tmp == 0bv32) && !(tmp == 0bv32) - InvariantResult [Line: 611]: Loop Invariant Derived loop invariant: ((0bv32 == pumpRunning && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 - InvariantResult [Line: 889]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 889]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 544]: Loop Invariant Derived loop invariant: (((((!(0bv32 == \result) && ~bvslt32(splverifierCounter, 4bv32)) && \result == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result) && !(tmp == 0bv32) - InvariantResult [Line: 530]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 530]: Loop Invariant Derived loop invariant: ((1bv32 == \result && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 - InvariantResult [Line: 530]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 530]: Loop Invariant Derived loop invariant: ((((1bv32 == \result && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result - InvariantResult [Line: 814]: Loop Invariant Derived loop invariant: (((~bvadd64(waterLevel, 4294967294bv32) == 0bv32 && 0bv32 == pumpRunning) && ~bvslt32(splverifierCounter, 4bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result - InvariantResult [Line: 814]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 814]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 814]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 - InvariantResult [Line: 530]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 814]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 530]: Loop Invariant Derived loop invariant: (((((1bv32 == \result && 0bv32 == pumpRunning) && ~bvslt32(splverifierCounter, 4bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result) || ((~bvadd64(waterLevel, 4294967294bv32) == 0bv32 && (0bv32 == pumpRunning && ~bvslt32(splverifierCounter, 4bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result) - InvariantResult [Line: 708]: Loop Invariant Derived loop invariant: (((((((0bv32 == pumpRunning && !(0bv32 == \result)) && ~bvslt32(splverifierCounter, 4bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && !(tmp == 0bv32)) || (((1bv32 == \result && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && ~bvslt32(splverifierCounter, 4bv32)) && (0bv32 == pumpRunning && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32)) && 1bv32 == \result) || ((~bvadd64(waterLevel, 4294967294bv32) == 0bv32 && ~bvslt32(splverifierCounter, 4bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result) - InvariantResult [Line: 681]: Loop Invariant Derived loop invariant: ((0bv32 == pumpRunning && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 - InvariantResult [Line: 708]: Loop Invariant Derived loop invariant: (((1bv32 == \result && 0bv32 == pumpRunning) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 - InvariantResult [Line: 708]: Loop Invariant Derived loop invariant: (((((1bv32 == \result && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result - InvariantResult [Line: 642]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 814]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 566]: Loop Invariant Derived loop invariant: (((((1bv32 == \result && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result - InvariantResult [Line: 700]: Loop Invariant Derived loop invariant: (((~bvadd64(waterLevel, 4294967294bv32) == 0bv32 && ~bvslt32(splverifierCounter, 4bv32) && 0bv32 == pumpRunning && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result) || (((((!(0bv32 == \result) && ~bvslt32(splverifierCounter, 4bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && !(tmp == 0bv32)) && 1bv32 == \result)) || ((((0bv32 == pumpRunning && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvslt32(splverifierCounter, 4bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result) - InvariantResult [Line: 700]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 - InvariantResult [Line: 700]: Loop Invariant Derived loop invariant: (((((1bv32 == \result && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result - InvariantResult [Line: 926]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 135 locations, 3 error locations. Result: SAFE, OverallTime: 14.4s, OverallIterations: 11, TraceHistogramMax: 3, AutomataDifference: 3.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.7s, HoareTripleCheckerStatistics: 1914 SDtfs, 4700 SDslu, 5004 SDs, 0 SdLazy, 963 SolverSat, 240 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1099 GetRequests, 1003 SyntacticMatches, 2 SemanticMatches, 94 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 336 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=460occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 11 MinimizatonAttempts, 2443 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 55 LocationsWithAnnotation, 55 PreInvPairs, 165 NumberOfFragments, 1111 HoareAnnotationTreeSize, 55 FomulaSimplifications, 246154 FormulaSimplificationTreeSizeReduction, 0.8s HoareSimplificationTime, 55 FomulaSimplificationsInter, 33797 FormulaSimplificationTreeSizeReductionInter, 2.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 2.4s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 529 NumberOfCodeBlocks, 529 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 1034 ConstructedInterpolants, 0 QuantifiedInterpolants, 112961 SizeOfPredicates, 43 NumberOfNonLiveVariables, 2583 ConjunctsInSsa, 63 ConjunctsInUnsatCore, 24 InterpolantComputations, 20 PerfectInterpolantSequences, 264/300 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...