./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product56.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_83e1aec5-916d-4926-b378-05eca93e0a89/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_83e1aec5-916d-4926-b378-05eca93e0a89/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_83e1aec5-916d-4926-b378-05eca93e0a89/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_83e1aec5-916d-4926-b378-05eca93e0a89/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product56.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_83e1aec5-916d-4926-b378-05eca93e0a89/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_83e1aec5-916d-4926-b378-05eca93e0a89/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 210feffc8ddd7d7862cfab969b7a82589a978274 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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_83e1aec5-916d-4926-b378-05eca93e0a89/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_83e1aec5-916d-4926-b378-05eca93e0a89/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_83e1aec5-916d-4926-b378-05eca93e0a89/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_83e1aec5-916d-4926-b378-05eca93e0a89/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product56.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_83e1aec5-916d-4926-b378-05eca93e0a89/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_83e1aec5-916d-4926-b378-05eca93e0a89/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 210feffc8ddd7d7862cfab969b7a82589a978274 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 11:24:08,951 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 11:24:08,952 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 11:24:08,964 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 11:24:08,967 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 11:24:08,968 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 11:24:08,969 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 11:24:08,970 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 11:24:08,971 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 11:24:08,972 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 11:24:08,973 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 11:24:08,974 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 11:24:08,974 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 11:24:08,975 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 11:24:08,976 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 11:24:08,976 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 11:24:08,977 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 11:24:08,978 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 11:24:08,980 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 11:24:08,981 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 11:24:08,983 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 11:24:08,984 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 11:24:08,985 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 11:24:08,986 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 11:24:08,988 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 11:24:08,988 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 11:24:08,988 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 11:24:08,989 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 11:24:08,990 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 11:24:08,992 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 11:24:08,992 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 11:24:08,993 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 11:24:08,995 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 11:24:08,996 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 11:24:08,999 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 11:24:08,999 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 11:24:09,000 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 11:24:09,000 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 11:24:09,001 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 11:24:09,001 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 11:24:09,002 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 11:24:09,006 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_83e1aec5-916d-4926-b378-05eca93e0a89/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-10-22 11:24:09,023 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 11:24:09,025 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 11:24:09,026 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-22 11:24:09,026 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-22 11:24:09,026 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-22 11:24:09,026 INFO L138 SettingsManager]: * Explicit value domain=true [2019-10-22 11:24:09,027 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-10-22 11:24:09,027 INFO L138 SettingsManager]: * Octagon Domain=false [2019-10-22 11:24:09,027 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-10-22 11:24:09,027 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-10-22 11:24:09,027 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-10-22 11:24:09,027 INFO L138 SettingsManager]: * Interval Domain=false [2019-10-22 11:24:09,028 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 11:24:09,028 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 11:24:09,028 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 11:24:09,028 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 11:24:09,029 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 11:24:09,029 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 11:24:09,029 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 11:24:09,029 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 11:24:09,029 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 11:24:09,029 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 11:24:09,029 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 11:24:09,030 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 11:24:09,030 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 11:24:09,030 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 11:24:09,030 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 11:24:09,030 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 11:24:09,032 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 11:24:09,032 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 11:24:09,032 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 11:24:09,033 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-10-22 11:24:09,033 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 11:24:09,033 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 11:24:09,033 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-22 11:24:09,033 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_83e1aec5-916d-4926-b378-05eca93e0a89/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 -> 210feffc8ddd7d7862cfab969b7a82589a978274 [2019-10-22 11:24:09,059 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 11:24:09,068 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 11:24:09,071 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 11:24:09,073 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 11:24:09,073 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 11:24:09,074 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_83e1aec5-916d-4926-b378-05eca93e0a89/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec4_product56.cil.c [2019-10-22 11:24:09,123 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_83e1aec5-916d-4926-b378-05eca93e0a89/bin/utaipan/data/9026f604c/cdfab3910f2c42848a6dbb708eb28e28/FLAG3f7fde6cc [2019-10-22 11:24:09,555 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 11:24:09,556 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_83e1aec5-916d-4926-b378-05eca93e0a89/sv-benchmarks/c/product-lines/minepump_spec4_product56.cil.c [2019-10-22 11:24:09,566 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_83e1aec5-916d-4926-b378-05eca93e0a89/bin/utaipan/data/9026f604c/cdfab3910f2c42848a6dbb708eb28e28/FLAG3f7fde6cc [2019-10-22 11:24:09,578 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_83e1aec5-916d-4926-b378-05eca93e0a89/bin/utaipan/data/9026f604c/cdfab3910f2c42848a6dbb708eb28e28 [2019-10-22 11:24:09,585 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 11:24:09,586 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 11:24:09,587 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 11:24:09,588 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 11:24:09,591 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 11:24:09,592 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:24:09" (1/1) ... [2019-10-22 11:24:09,594 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@250d3f17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:24:09, skipping insertion in model container [2019-10-22 11:24:09,594 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:24:09" (1/1) ... [2019-10-22 11:24:09,601 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 11:24:09,638 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 11:24:09,935 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:24:09,955 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 11:24:10,069 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:24:10,097 INFO L192 MainTranslator]: Completed translation [2019-10-22 11:24:10,097 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:24:10 WrapperNode [2019-10-22 11:24:10,097 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 11:24:10,098 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 11:24:10,098 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 11:24:10,098 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 11:24:10,107 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:24:10" (1/1) ... [2019-10-22 11:24:10,121 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:24:10" (1/1) ... [2019-10-22 11:24:10,164 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 11:24:10,165 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 11:24:10,165 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 11:24:10,165 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 11:24:10,174 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:24:10" (1/1) ... [2019-10-22 11:24:10,175 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:24:10" (1/1) ... [2019-10-22 11:24:10,180 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:24:10" (1/1) ... [2019-10-22 11:24:10,180 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:24:10" (1/1) ... [2019-10-22 11:24:10,194 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:24:10" (1/1) ... [2019-10-22 11:24:10,203 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:24:10" (1/1) ... [2019-10-22 11:24:10,213 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:24:10" (1/1) ... [2019-10-22 11:24:10,224 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 11:24:10,224 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 11:24:10,225 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 11:24:10,225 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 11:24:10,226 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:24:10" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_83e1aec5-916d-4926-b378-05eca93e0a89/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 11:24:10,282 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 11:24:10,282 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-22 11:24:10,282 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 11:24:10,282 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 11:24:11,306 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 11:24:11,306 INFO L284 CfgBuilder]: Removed 282 assume(true) statements. [2019-10-22 11:24:11,307 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:24:11 BoogieIcfgContainer [2019-10-22 11:24:11,307 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 11:24:11,308 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 11:24:11,308 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 11:24:11,311 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 11:24:11,311 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 11:24:09" (1/3) ... [2019-10-22 11:24:11,312 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f77d9e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:24:11, skipping insertion in model container [2019-10-22 11:24:11,312 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:24:10" (2/3) ... [2019-10-22 11:24:11,312 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f77d9e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:24:11, skipping insertion in model container [2019-10-22 11:24:11,313 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:24:11" (3/3) ... [2019-10-22 11:24:11,314 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product56.cil.c [2019-10-22 11:24:11,323 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 11:24:11,333 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-10-22 11:24:11,340 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-10-22 11:24:11,361 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 11:24:11,361 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-22 11:24:11,361 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 11:24:11,361 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 11:24:11,362 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 11:24:11,362 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 11:24:11,362 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 11:24:11,362 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 11:24:11,385 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states. [2019-10-22 11:24:11,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-10-22 11:24:11,393 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:24:11,393 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:24:11,395 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:24:11,402 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:24:11,402 INFO L82 PathProgramCache]: Analyzing trace with hash 1937289636, now seen corresponding path program 1 times [2019-10-22 11:24:11,410 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:24:11,411 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [577810417] [2019-10-22 11:24:11,411 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:24:11,411 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:24:11,411 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:24:11,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:24:11,591 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 11:24:11,592 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [577810417] [2019-10-22 11:24:11,593 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:24:11,593 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 11:24:11,593 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1421018137] [2019-10-22 11:24:11,597 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-22 11:24:11,598 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:24:11,614 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-22 11:24:11,614 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-22 11:24:11,616 INFO L87 Difference]: Start difference. First operand 191 states. Second operand 2 states. [2019-10-22 11:24:11,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:24:11,662 INFO L93 Difference]: Finished difference Result 376 states and 575 transitions. [2019-10-22 11:24:11,662 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-22 11:24:11,666 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2019-10-22 11:24:11,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:24:11,680 INFO L225 Difference]: With dead ends: 376 [2019-10-22 11:24:11,681 INFO L226 Difference]: Without dead ends: 187 [2019-10-22 11:24:11,684 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 11:24:11,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states. [2019-10-22 11:24:11,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 187. [2019-10-22 11:24:11,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 187 states. [2019-10-22 11:24:11,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 187 states and 279 transitions. [2019-10-22 11:24:11,739 INFO L78 Accepts]: Start accepts. Automaton has 187 states and 279 transitions. Word has length 16 [2019-10-22 11:24:11,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:24:11,739 INFO L462 AbstractCegarLoop]: Abstraction has 187 states and 279 transitions. [2019-10-22 11:24:11,739 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-22 11:24:11,739 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 279 transitions. [2019-10-22 11:24:11,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-10-22 11:24:11,740 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:24:11,740 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 11:24:11,741 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:24:11,741 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:24:11,741 INFO L82 PathProgramCache]: Analyzing trace with hash 890532739, now seen corresponding path program 1 times [2019-10-22 11:24:11,741 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:24:11,741 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [789987623] [2019-10-22 11:24:11,741 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:24:11,742 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:24:11,742 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:24:11,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:24:11,872 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 11:24:11,872 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [789987623] [2019-10-22 11:24:11,872 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:24:11,872 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 11:24:11,873 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [659534625] [2019-10-22 11:24:11,874 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 11:24:11,874 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:24:11,875 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 11:24:11,875 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:24:11,875 INFO L87 Difference]: Start difference. First operand 187 states and 279 transitions. Second operand 3 states. [2019-10-22 11:24:11,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:24:11,889 INFO L93 Difference]: Finished difference Result 187 states and 279 transitions. [2019-10-22 11:24:11,890 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 11:24:11,890 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2019-10-22 11:24:11,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:24:11,893 INFO L225 Difference]: With dead ends: 187 [2019-10-22 11:24:11,893 INFO L226 Difference]: Without dead ends: 73 [2019-10-22 11:24:11,894 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 11:24:11,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2019-10-22 11:24:11,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2019-10-22 11:24:11,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 73 states. [2019-10-22 11:24:11,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 108 transitions. [2019-10-22 11:24:11,903 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 108 transitions. Word has length 17 [2019-10-22 11:24:11,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:24:11,904 INFO L462 AbstractCegarLoop]: Abstraction has 73 states and 108 transitions. [2019-10-22 11:24:11,904 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 11:24:11,904 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 108 transitions. [2019-10-22 11:24:11,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-10-22 11:24:11,904 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:24:11,905 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 11:24:11,905 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:24:11,905 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:24:11,905 INFO L82 PathProgramCache]: Analyzing trace with hash 1577730230, now seen corresponding path program 1 times [2019-10-22 11:24:11,905 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:24:11,905 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1257956788] [2019-10-22 11:24:11,906 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:24:11,906 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:24:11,906 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:24:11,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:24:12,000 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 11:24:12,001 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1257956788] [2019-10-22 11:24:12,001 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:24:12,001 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 11:24:12,001 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [867328302] [2019-10-22 11:24:12,002 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 11:24:12,002 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:24:12,002 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 11:24:12,002 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:24:12,003 INFO L87 Difference]: Start difference. First operand 73 states and 108 transitions. Second operand 3 states. [2019-10-22 11:24:12,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:24:12,062 INFO L93 Difference]: Finished difference Result 207 states and 312 transitions. [2019-10-22 11:24:12,063 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 11:24:12,063 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2019-10-22 11:24:12,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:24:12,064 INFO L225 Difference]: With dead ends: 207 [2019-10-22 11:24:12,064 INFO L226 Difference]: Without dead ends: 140 [2019-10-22 11:24:12,064 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 11:24:12,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2019-10-22 11:24:12,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 136. [2019-10-22 11:24:12,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 136 states. [2019-10-22 11:24:12,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 205 transitions. [2019-10-22 11:24:12,075 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 205 transitions. Word has length 22 [2019-10-22 11:24:12,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:24:12,076 INFO L462 AbstractCegarLoop]: Abstraction has 136 states and 205 transitions. [2019-10-22 11:24:12,076 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 11:24:12,076 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 205 transitions. [2019-10-22 11:24:12,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-10-22 11:24:12,077 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:24:12,077 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 11:24:12,077 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:24:12,077 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:24:12,077 INFO L82 PathProgramCache]: Analyzing trace with hash 792163456, now seen corresponding path program 1 times [2019-10-22 11:24:12,078 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:24:12,078 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2077196268] [2019-10-22 11:24:12,078 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:24:12,078 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:24:12,079 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:24:12,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:24:12,122 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 11:24:12,123 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2077196268] [2019-10-22 11:24:12,123 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:24:12,123 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 11:24:12,123 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1538138058] [2019-10-22 11:24:12,124 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 11:24:12,124 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:24:12,124 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 11:24:12,124 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:24:12,125 INFO L87 Difference]: Start difference. First operand 136 states and 205 transitions. Second operand 3 states. [2019-10-22 11:24:12,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:24:12,197 INFO L93 Difference]: Finished difference Result 283 states and 430 transitions. [2019-10-22 11:24:12,198 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 11:24:12,198 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 25 [2019-10-22 11:24:12,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:24:12,199 INFO L225 Difference]: With dead ends: 283 [2019-10-22 11:24:12,200 INFO L226 Difference]: Without dead ends: 153 [2019-10-22 11:24:12,200 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 11:24:12,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2019-10-22 11:24:12,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 151. [2019-10-22 11:24:12,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 151 states. [2019-10-22 11:24:12,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 219 transitions. [2019-10-22 11:24:12,226 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 219 transitions. Word has length 25 [2019-10-22 11:24:12,226 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:24:12,226 INFO L462 AbstractCegarLoop]: Abstraction has 151 states and 219 transitions. [2019-10-22 11:24:12,227 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 11:24:12,227 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 219 transitions. [2019-10-22 11:24:12,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-10-22 11:24:12,227 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:24:12,228 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 11:24:12,228 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:24:12,228 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:24:12,228 INFO L82 PathProgramCache]: Analyzing trace with hash 1022954699, now seen corresponding path program 1 times [2019-10-22 11:24:12,228 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:24:12,229 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1911062640] [2019-10-22 11:24:12,229 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:24:12,229 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:24:12,229 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:24:12,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:24:12,349 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 11:24:12,349 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1911062640] [2019-10-22 11:24:12,349 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:24:12,350 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 11:24:12,350 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1868393754] [2019-10-22 11:24:12,350 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 11:24:12,350 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:24:12,351 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 11:24:12,351 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 11:24:12,351 INFO L87 Difference]: Start difference. First operand 151 states and 219 transitions. Second operand 5 states. [2019-10-22 11:24:12,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:24:12,512 INFO L93 Difference]: Finished difference Result 527 states and 769 transitions. [2019-10-22 11:24:12,513 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-22 11:24:12,513 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2019-10-22 11:24:12,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:24:12,516 INFO L225 Difference]: With dead ends: 527 [2019-10-22 11:24:12,516 INFO L226 Difference]: Without dead ends: 382 [2019-10-22 11:24:12,517 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-10-22 11:24:12,518 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 382 states. [2019-10-22 11:24:12,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 382 to 236. [2019-10-22 11:24:12,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 236 states. [2019-10-22 11:24:12,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 236 states and 332 transitions. [2019-10-22 11:24:12,560 INFO L78 Accepts]: Start accepts. Automaton has 236 states and 332 transitions. Word has length 25 [2019-10-22 11:24:12,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:24:12,561 INFO L462 AbstractCegarLoop]: Abstraction has 236 states and 332 transitions. [2019-10-22 11:24:12,561 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 11:24:12,561 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 332 transitions. [2019-10-22 11:24:12,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-10-22 11:24:12,562 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:24:12,562 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:24:12,562 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:24:12,565 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:24:12,565 INFO L82 PathProgramCache]: Analyzing trace with hash -936354291, now seen corresponding path program 1 times [2019-10-22 11:24:12,565 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:24:12,566 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1166192928] [2019-10-22 11:24:12,566 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:24:12,566 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:24:12,566 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:24:12,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:24:12,662 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 11:24:12,662 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1166192928] [2019-10-22 11:24:12,662 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:24:12,662 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 11:24:12,663 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1691771042] [2019-10-22 11:24:12,663 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 11:24:12,663 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:24:12,663 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 11:24:12,664 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 11:24:12,664 INFO L87 Difference]: Start difference. First operand 236 states and 332 transitions. Second operand 5 states. [2019-10-22 11:24:12,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:24:12,839 INFO L93 Difference]: Finished difference Result 526 states and 754 transitions. [2019-10-22 11:24:12,840 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-22 11:24:12,840 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 26 [2019-10-22 11:24:12,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:24:12,842 INFO L225 Difference]: With dead ends: 526 [2019-10-22 11:24:12,842 INFO L226 Difference]: Without dead ends: 524 [2019-10-22 11:24:12,843 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 11:24:12,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 524 states. [2019-10-22 11:24:12,862 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 524 to 236. [2019-10-22 11:24:12,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 236 states. [2019-10-22 11:24:12,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 236 states and 330 transitions. [2019-10-22 11:24:12,863 INFO L78 Accepts]: Start accepts. Automaton has 236 states and 330 transitions. Word has length 26 [2019-10-22 11:24:12,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:24:12,864 INFO L462 AbstractCegarLoop]: Abstraction has 236 states and 330 transitions. [2019-10-22 11:24:12,864 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 11:24:12,864 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 330 transitions. [2019-10-22 11:24:12,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-10-22 11:24:12,865 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:24:12,865 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:24:12,865 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:24:12,866 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:24:12,866 INFO L82 PathProgramCache]: Analyzing trace with hash 1821957235, now seen corresponding path program 1 times [2019-10-22 11:24:12,866 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:24:12,866 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1616538301] [2019-10-22 11:24:12,867 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:24:12,867 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:24:12,867 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:24:12,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:24:12,925 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 11:24:12,926 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1616538301] [2019-10-22 11:24:12,926 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:24:12,926 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-22 11:24:12,926 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1325087030] [2019-10-22 11:24:12,927 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 11:24:12,927 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:24:12,949 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 11:24:12,949 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 11:24:12,949 INFO L87 Difference]: Start difference. First operand 236 states and 330 transitions. Second operand 5 states. [2019-10-22 11:24:13,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:24:13,052 INFO L93 Difference]: Finished difference Result 651 states and 899 transitions. [2019-10-22 11:24:13,053 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-22 11:24:13,053 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2019-10-22 11:24:13,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:24:13,054 INFO L225 Difference]: With dead ends: 651 [2019-10-22 11:24:13,055 INFO L226 Difference]: Without dead ends: 421 [2019-10-22 11:24:13,055 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 11:24:13,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 421 states. [2019-10-22 11:24:13,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 421 to 260. [2019-10-22 11:24:13,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 260 states. [2019-10-22 11:24:13,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 260 states and 354 transitions. [2019-10-22 11:24:13,075 INFO L78 Accepts]: Start accepts. Automaton has 260 states and 354 transitions. Word has length 32 [2019-10-22 11:24:13,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:24:13,075 INFO L462 AbstractCegarLoop]: Abstraction has 260 states and 354 transitions. [2019-10-22 11:24:13,075 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 11:24:13,076 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 354 transitions. [2019-10-22 11:24:13,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-10-22 11:24:13,077 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:24:13,077 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:24:13,077 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:24:13,081 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:24:13,081 INFO L82 PathProgramCache]: Analyzing trace with hash 1428930225, now seen corresponding path program 1 times [2019-10-22 11:24:13,081 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:24:13,081 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1346602263] [2019-10-22 11:24:13,082 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:24:13,082 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:24:13,082 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:24:13,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:24:13,144 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 11:24:13,144 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1346602263] [2019-10-22 11:24:13,144 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:24:13,144 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-22 11:24:13,145 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [597800996] [2019-10-22 11:24:13,145 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 11:24:13,145 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:24:13,145 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 11:24:13,145 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 11:24:13,146 INFO L87 Difference]: Start difference. First operand 260 states and 354 transitions. Second operand 5 states. [2019-10-22 11:24:13,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:24:13,409 INFO L93 Difference]: Finished difference Result 643 states and 863 transitions. [2019-10-22 11:24:13,409 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-22 11:24:13,409 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2019-10-22 11:24:13,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:24:13,411 INFO L225 Difference]: With dead ends: 643 [2019-10-22 11:24:13,411 INFO L226 Difference]: Without dead ends: 389 [2019-10-22 11:24:13,411 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 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 11:24:13,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 389 states. [2019-10-22 11:24:13,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 389 to 233. [2019-10-22 11:24:13,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 233 states. [2019-10-22 11:24:13,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 233 states and 310 transitions. [2019-10-22 11:24:13,429 INFO L78 Accepts]: Start accepts. Automaton has 233 states and 310 transitions. Word has length 32 [2019-10-22 11:24:13,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:24:13,430 INFO L462 AbstractCegarLoop]: Abstraction has 233 states and 310 transitions. [2019-10-22 11:24:13,430 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 11:24:13,430 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 310 transitions. [2019-10-22 11:24:13,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-10-22 11:24:13,432 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:24:13,432 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:24:13,432 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:24:13,432 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:24:13,432 INFO L82 PathProgramCache]: Analyzing trace with hash 1687095663, now seen corresponding path program 1 times [2019-10-22 11:24:13,433 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:24:13,433 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [38922260] [2019-10-22 11:24:13,433 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:24:13,433 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:24:13,433 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:24:13,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:24:13,490 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 11:24:13,491 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [38922260] [2019-10-22 11:24:13,491 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:24:13,491 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-22 11:24:13,491 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [977117084] [2019-10-22 11:24:13,491 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 11:24:13,491 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:24:13,492 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 11:24:13,492 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 11:24:13,492 INFO L87 Difference]: Start difference. First operand 233 states and 310 transitions. Second operand 5 states. [2019-10-22 11:24:13,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:24:13,621 INFO L93 Difference]: Finished difference Result 666 states and 900 transitions. [2019-10-22 11:24:13,622 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-22 11:24:13,622 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2019-10-22 11:24:13,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:24:13,624 INFO L225 Difference]: With dead ends: 666 [2019-10-22 11:24:13,624 INFO L226 Difference]: Without dead ends: 491 [2019-10-22 11:24:13,625 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-10-22 11:24:13,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 491 states. [2019-10-22 11:24:13,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 491 to 326. [2019-10-22 11:24:13,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 326 states. [2019-10-22 11:24:13,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 326 states and 427 transitions. [2019-10-22 11:24:13,648 INFO L78 Accepts]: Start accepts. Automaton has 326 states and 427 transitions. Word has length 32 [2019-10-22 11:24:13,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:24:13,648 INFO L462 AbstractCegarLoop]: Abstraction has 326 states and 427 transitions. [2019-10-22 11:24:13,648 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 11:24:13,648 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 427 transitions. [2019-10-22 11:24:13,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2019-10-22 11:24:13,649 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:24:13,649 INFO L380 BasicCegarLoop]: trace histogram [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 11:24:13,649 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:24:13,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:24:13,650 INFO L82 PathProgramCache]: Analyzing trace with hash -735517853, now seen corresponding path program 1 times [2019-10-22 11:24:13,650 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:24:13,650 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2132118373] [2019-10-22 11:24:13,650 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:24:13,650 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:24:13,654 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:24:13,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:24:13,690 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 11:24:13,690 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2132118373] [2019-10-22 11:24:13,690 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:24:13,690 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 11:24:13,691 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [521760300] [2019-10-22 11:24:13,691 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 11:24:13,691 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:24:13,691 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 11:24:13,691 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:24:13,692 INFO L87 Difference]: Start difference. First operand 326 states and 427 transitions. Second operand 3 states. [2019-10-22 11:24:13,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:24:13,743 INFO L93 Difference]: Finished difference Result 547 states and 717 transitions. [2019-10-22 11:24:13,744 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 11:24:13,744 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 50 [2019-10-22 11:24:13,744 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:24:13,745 INFO L225 Difference]: With dead ends: 547 [2019-10-22 11:24:13,745 INFO L226 Difference]: Without dead ends: 227 [2019-10-22 11:24:13,745 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 11:24:13,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227 states. [2019-10-22 11:24:13,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227 to 221. [2019-10-22 11:24:13,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 221 states. [2019-10-22 11:24:13,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 221 states and 287 transitions. [2019-10-22 11:24:13,762 INFO L78 Accepts]: Start accepts. Automaton has 221 states and 287 transitions. Word has length 50 [2019-10-22 11:24:13,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:24:13,762 INFO L462 AbstractCegarLoop]: Abstraction has 221 states and 287 transitions. [2019-10-22 11:24:13,762 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 11:24:13,762 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 287 transitions. [2019-10-22 11:24:13,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-10-22 11:24:13,763 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:24:13,763 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, 1, 1] [2019-10-22 11:24:13,763 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:24:13,763 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:24:13,763 INFO L82 PathProgramCache]: Analyzing trace with hash 2138901984, now seen corresponding path program 1 times [2019-10-22 11:24:13,764 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:24:13,764 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [192432930] [2019-10-22 11:24:13,764 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:24:13,764 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:24:13,764 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:24:13,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:24:13,832 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 11:24:13,832 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [192432930] [2019-10-22 11:24:13,832 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [186410710] [2019-10-22 11:24:13,833 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_83e1aec5-916d-4926-b378-05eca93e0a89/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 11:24:13,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:24:13,966 INFO L256 TraceCheckSpWp]: Trace formula consists of 421 conjuncts, 6 conjunts are in the unsatisfiable core [2019-10-22 11:24:13,973 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 11:24:14,002 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 11:24:14,003 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 11:24:14,032 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 11:24:14,033 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleAbstractInterpretation [1997423517] [2019-10-22 11:24:14,038 INFO L211 CegarAbsIntRunner]: Running AI on error trace of length 58 [2019-10-22 11:24:14,084 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2019-10-22 11:24:14,084 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-22 11:24:14,527 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-22 11:24:14,528 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 11:24:14,534 INFO L168 Benchmark]: Toolchain (without parser) took 4945.30 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.6 MB). Free memory was 940.5 MB in the beginning and 905.2 MB in the end (delta: 35.3 MB). Peak memory consumption was 177.9 MB. Max. memory is 11.5 GB. [2019-10-22 11:24:14,536 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 962.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 11:24:14,547 INFO L168 Benchmark]: CACSL2BoogieTranslator took 510.32 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.6 MB). Free memory was 940.5 MB in the beginning and 1.1 GB in the end (delta: -184.7 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. [2019-10-22 11:24:14,549 INFO L168 Benchmark]: Boogie Procedure Inliner took 66.36 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 11:24:14,551 INFO L168 Benchmark]: Boogie Preprocessor took 59.53 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 11:24:14,553 INFO L168 Benchmark]: RCFGBuilder took 1083.05 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: 82.8 MB). Peak memory consumption was 82.8 MB. Max. memory is 11.5 GB. [2019-10-22 11:24:14,553 INFO L168 Benchmark]: TraceAbstraction took 3222.40 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 905.2 MB in the end (delta: 126.5 MB). Peak memory consumption was 126.5 MB. Max. memory is 11.5 GB. [2019-10-22 11:24:14,556 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 962.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 510.32 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.6 MB). Free memory was 940.5 MB in the beginning and 1.1 GB in the end (delta: -184.7 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 66.36 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 59.53 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 1083.05 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: 82.8 MB). Peak memory consumption was 82.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 3222.40 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 905.2 MB in the end (delta: 126.5 MB). Peak memory consumption was 126.5 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 11:24:16,506 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 11:24:16,508 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 11:24:16,517 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 11:24:16,517 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 11:24:16,518 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 11:24:16,519 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 11:24:16,521 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 11:24:16,525 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 11:24:16,535 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 11:24:16,536 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 11:24:16,537 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 11:24:16,537 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 11:24:16,538 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 11:24:16,539 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 11:24:16,539 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 11:24:16,540 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 11:24:16,541 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 11:24:16,542 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 11:24:16,548 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 11:24:16,549 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 11:24:16,550 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 11:24:16,551 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 11:24:16,552 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 11:24:16,554 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 11:24:16,562 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 11:24:16,563 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 11:24:16,563 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 11:24:16,564 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 11:24:16,565 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 11:24:16,565 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 11:24:16,566 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 11:24:16,566 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 11:24:16,567 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 11:24:16,568 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 11:24:16,568 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 11:24:16,569 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 11:24:16,569 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 11:24:16,569 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 11:24:16,570 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 11:24:16,579 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 11:24:16,579 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_83e1aec5-916d-4926-b378-05eca93e0a89/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2019-10-22 11:24:16,590 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 11:24:16,591 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 11:24:16,591 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-22 11:24:16,591 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-22 11:24:16,592 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-22 11:24:16,592 INFO L138 SettingsManager]: * Explicit value domain=true [2019-10-22 11:24:16,592 INFO L138 SettingsManager]: * Octagon Domain=false [2019-10-22 11:24:16,592 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-10-22 11:24:16,592 INFO L138 SettingsManager]: * Interval Domain=false [2019-10-22 11:24:16,593 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 11:24:16,593 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 11:24:16,593 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 11:24:16,593 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 11:24:16,594 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 11:24:16,594 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 11:24:16,594 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 11:24:16,594 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-10-22 11:24:16,594 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-10-22 11:24:16,594 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 11:24:16,594 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 11:24:16,595 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 11:24:16,595 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 11:24:16,595 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 11:24:16,595 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 11:24:16,595 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 11:24:16,595 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 11:24:16,596 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 11:24:16,596 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 11:24:16,596 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 11:24:16,596 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 11:24:16,596 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-10-22 11:24:16,596 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-10-22 11:24:16,596 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 11:24:16,597 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-22 11:24:16,597 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_83e1aec5-916d-4926-b378-05eca93e0a89/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 -> 210feffc8ddd7d7862cfab969b7a82589a978274 [2019-10-22 11:24:16,624 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 11:24:16,634 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 11:24:16,637 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 11:24:16,638 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 11:24:16,639 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 11:24:16,639 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_83e1aec5-916d-4926-b378-05eca93e0a89/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec4_product56.cil.c [2019-10-22 11:24:16,676 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_83e1aec5-916d-4926-b378-05eca93e0a89/bin/utaipan/data/e49cb63a0/7e00b4442db04ec68ca0973b1f6a23d2/FLAG1ccb2dd3a [2019-10-22 11:24:17,116 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 11:24:17,117 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_83e1aec5-916d-4926-b378-05eca93e0a89/sv-benchmarks/c/product-lines/minepump_spec4_product56.cil.c [2019-10-22 11:24:17,128 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_83e1aec5-916d-4926-b378-05eca93e0a89/bin/utaipan/data/e49cb63a0/7e00b4442db04ec68ca0973b1f6a23d2/FLAG1ccb2dd3a [2019-10-22 11:24:17,471 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_83e1aec5-916d-4926-b378-05eca93e0a89/bin/utaipan/data/e49cb63a0/7e00b4442db04ec68ca0973b1f6a23d2 [2019-10-22 11:24:17,474 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 11:24:17,475 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 11:24:17,476 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 11:24:17,476 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 11:24:17,479 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 11:24:17,480 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:24:17" (1/1) ... [2019-10-22 11:24:17,483 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6fad9d76 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:24:17, skipping insertion in model container [2019-10-22 11:24:17,484 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:24:17" (1/1) ... [2019-10-22 11:24:17,491 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 11:24:17,540 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 11:24:17,850 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:24:17,927 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 11:24:18,033 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:24:18,065 INFO L192 MainTranslator]: Completed translation [2019-10-22 11:24:18,065 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:24:18 WrapperNode [2019-10-22 11:24:18,065 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 11:24:18,066 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 11:24:18,066 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 11:24:18,067 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 11:24:18,073 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:24:18" (1/1) ... [2019-10-22 11:24:18,089 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:24:18" (1/1) ... [2019-10-22 11:24:18,135 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 11:24:18,136 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 11:24:18,136 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 11:24:18,136 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 11:24:18,145 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:24:18" (1/1) ... [2019-10-22 11:24:18,145 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:24:18" (1/1) ... [2019-10-22 11:24:18,156 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:24:18" (1/1) ... [2019-10-22 11:24:18,156 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:24:18" (1/1) ... [2019-10-22 11:24:18,170 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:24:18" (1/1) ... [2019-10-22 11:24:18,180 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:24:18" (1/1) ... [2019-10-22 11:24:18,183 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:24:18" (1/1) ... [2019-10-22 11:24:18,189 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 11:24:18,190 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 11:24:18,190 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 11:24:18,190 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 11:24:18,190 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:24:18" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_83e1aec5-916d-4926-b378-05eca93e0a89/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 11:24:18,265 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 11:24:18,266 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2019-10-22 11:24:18,266 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 11:24:18,266 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 11:24:19,348 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 11:24:19,348 INFO L284 CfgBuilder]: Removed 282 assume(true) statements. [2019-10-22 11:24:19,349 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:24:19 BoogieIcfgContainer [2019-10-22 11:24:19,349 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 11:24:19,351 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 11:24:19,351 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 11:24:19,353 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 11:24:19,354 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 11:24:17" (1/3) ... [2019-10-22 11:24:19,354 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@fcae93e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:24:19, skipping insertion in model container [2019-10-22 11:24:19,355 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:24:18" (2/3) ... [2019-10-22 11:24:19,355 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@fcae93e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:24:19, skipping insertion in model container [2019-10-22 11:24:19,355 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:24:19" (3/3) ... [2019-10-22 11:24:19,357 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product56.cil.c [2019-10-22 11:24:19,365 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 11:24:19,371 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-10-22 11:24:19,382 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-10-22 11:24:19,405 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 11:24:19,405 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-22 11:24:19,405 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 11:24:19,405 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 11:24:19,406 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 11:24:19,406 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 11:24:19,406 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 11:24:19,406 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 11:24:19,422 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states. [2019-10-22 11:24:19,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-10-22 11:24:19,429 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:24:19,430 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:24:19,432 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:24:19,437 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:24:19,437 INFO L82 PathProgramCache]: Analyzing trace with hash 1937289636, now seen corresponding path program 1 times [2019-10-22 11:24:19,447 INFO L157 tionRefinementEngine]: Executing refinement strategy WALRUS [2019-10-22 11:24:19,448 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1534027778] [2019-10-22 11:24:19,448 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_83e1aec5-916d-4926-b378-05eca93e0a89/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 11:24:19,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:24:19,656 INFO L256 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 1 conjunts are in the unsatisfiable core [2019-10-22 11:24:19,661 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 11:24:19,679 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 11:24:19,679 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 11:24:19,683 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 11:24:19,687 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1534027778] [2019-10-22 11:24:19,688 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:24:19,688 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-10-22 11:24:19,688 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1520801672] [2019-10-22 11:24:19,692 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-22 11:24:19,693 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-10-22 11:24:19,704 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-22 11:24:19,705 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-22 11:24:19,707 INFO L87 Difference]: Start difference. First operand 191 states. Second operand 2 states. [2019-10-22 11:24:19,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:24:19,752 INFO L93 Difference]: Finished difference Result 376 states and 575 transitions. [2019-10-22 11:24:19,752 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-22 11:24:19,754 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2019-10-22 11:24:19,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:24:19,766 INFO L225 Difference]: With dead ends: 376 [2019-10-22 11:24:19,769 INFO L226 Difference]: Without dead ends: 187 [2019-10-22 11:24:19,772 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 11:24:19,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states. [2019-10-22 11:24:19,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 187. [2019-10-22 11:24:19,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 187 states. [2019-10-22 11:24:19,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 187 states and 279 transitions. [2019-10-22 11:24:19,826 INFO L78 Accepts]: Start accepts. Automaton has 187 states and 279 transitions. Word has length 16 [2019-10-22 11:24:19,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:24:19,827 INFO L462 AbstractCegarLoop]: Abstraction has 187 states and 279 transitions. [2019-10-22 11:24:19,827 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-22 11:24:19,827 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 279 transitions. [2019-10-22 11:24:19,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-10-22 11:24:19,828 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:24:19,828 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 11:24:20,029 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-10-22 11:24:20,029 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:24:20,030 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:24:20,030 INFO L82 PathProgramCache]: Analyzing trace with hash 890532739, now seen corresponding path program 1 times [2019-10-22 11:24:20,030 INFO L157 tionRefinementEngine]: Executing refinement strategy WALRUS [2019-10-22 11:24:20,031 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1326678610] [2019-10-22 11:24:20,031 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_83e1aec5-916d-4926-b378-05eca93e0a89/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 11:24:20,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:24:20,199 INFO L256 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 2 conjunts are in the unsatisfiable core [2019-10-22 11:24:20,201 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 11:24:20,218 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 11:24:20,218 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 11:24:20,277 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 11:24:20,278 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1326678610] [2019-10-22 11:24:20,278 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:24:20,278 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2019-10-22 11:24:20,279 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [95569382] [2019-10-22 11:24:20,280 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 11:24:20,280 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-10-22 11:24:20,280 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 11:24:20,281 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-22 11:24:20,281 INFO L87 Difference]: Start difference. First operand 187 states and 279 transitions. Second operand 4 states. [2019-10-22 11:24:20,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:24:20,379 INFO L93 Difference]: Finished difference Result 598 states and 894 transitions. [2019-10-22 11:24:20,380 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-22 11:24:20,381 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 17 [2019-10-22 11:24:20,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:24:20,383 INFO L225 Difference]: With dead ends: 598 [2019-10-22 11:24:20,384 INFO L226 Difference]: Without dead ends: 417 [2019-10-22 11:24:20,385 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 11:24:20,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 417 states. [2019-10-22 11:24:20,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 417 to 228. [2019-10-22 11:24:20,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 228 states. [2019-10-22 11:24:20,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 339 transitions. [2019-10-22 11:24:20,430 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 339 transitions. Word has length 17 [2019-10-22 11:24:20,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:24:20,437 INFO L462 AbstractCegarLoop]: Abstraction has 228 states and 339 transitions. [2019-10-22 11:24:20,437 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 11:24:20,437 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 339 transitions. [2019-10-22 11:24:20,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-10-22 11:24:20,438 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:24:20,439 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] [2019-10-22 11:24:20,640 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-10-22 11:24:20,641 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:24:20,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:24:20,641 INFO L82 PathProgramCache]: Analyzing trace with hash -1693917883, now seen corresponding path program 1 times [2019-10-22 11:24:20,642 INFO L157 tionRefinementEngine]: Executing refinement strategy WALRUS [2019-10-22 11:24:20,642 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [937543964] [2019-10-22 11:24:20,642 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_83e1aec5-916d-4926-b378-05eca93e0a89/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 11:24:20,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:24:20,787 INFO L256 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 2 conjunts are in the unsatisfiable core [2019-10-22 11:24:20,788 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 11:24:20,793 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 11:24:20,793 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 11:24:20,796 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 11:24:20,796 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [937543964] [2019-10-22 11:24:20,796 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:24:20,796 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2019-10-22 11:24:20,796 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [697791628] [2019-10-22 11:24:20,797 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 11:24:20,797 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-10-22 11:24:20,797 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 11:24:20,797 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:24:20,797 INFO L87 Difference]: Start difference. First operand 228 states and 339 transitions. Second operand 3 states. [2019-10-22 11:24:20,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:24:20,956 INFO L93 Difference]: Finished difference Result 459 states and 677 transitions. [2019-10-22 11:24:20,957 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 11:24:20,957 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 20 [2019-10-22 11:24:20,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:24:20,958 INFO L225 Difference]: With dead ends: 459 [2019-10-22 11:24:20,958 INFO L226 Difference]: Without dead ends: 237 [2019-10-22 11:24:20,959 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 37 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 11:24:20,960 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 237 states. [2019-10-22 11:24:20,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 237 to 231. [2019-10-22 11:24:20,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 231 states. [2019-10-22 11:24:20,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 231 states and 322 transitions. [2019-10-22 11:24:20,980 INFO L78 Accepts]: Start accepts. Automaton has 231 states and 322 transitions. Word has length 20 [2019-10-22 11:24:20,980 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:24:20,980 INFO L462 AbstractCegarLoop]: Abstraction has 231 states and 322 transitions. [2019-10-22 11:24:20,980 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 11:24:20,980 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 322 transitions. [2019-10-22 11:24:20,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-10-22 11:24:20,981 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:24:20,981 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 11:24:21,182 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-10-22 11:24:21,182 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:24:21,182 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:24:21,182 INFO L82 PathProgramCache]: Analyzing trace with hash 1022954699, now seen corresponding path program 1 times [2019-10-22 11:24:21,183 INFO L157 tionRefinementEngine]: Executing refinement strategy WALRUS [2019-10-22 11:24:21,183 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1115009414] [2019-10-22 11:24:21,183 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_83e1aec5-916d-4926-b378-05eca93e0a89/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 11:24:21,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:24:21,309 INFO L256 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 8 conjunts are in the unsatisfiable core [2019-10-22 11:24:21,310 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 11:24:21,348 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 11:24:21,348 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 11:24:21,380 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 11:24:21,380 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1115009414] [2019-10-22 11:24:21,380 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:24:21,381 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5, 4] imperfect sequences [] total 8 [2019-10-22 11:24:21,381 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1124730549] [2019-10-22 11:24:21,381 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-22 11:24:21,381 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-10-22 11:24:21,381 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-22 11:24:21,382 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2019-10-22 11:24:21,382 INFO L87 Difference]: Start difference. First operand 231 states and 322 transitions. Second operand 9 states. [2019-10-22 11:24:22,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:24:22,269 INFO L93 Difference]: Finished difference Result 1542 states and 2183 transitions. [2019-10-22 11:24:22,270 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2019-10-22 11:24:22,270 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 25 [2019-10-22 11:24:22,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:24:22,275 INFO L225 Difference]: With dead ends: 1542 [2019-10-22 11:24:22,275 INFO L226 Difference]: Without dead ends: 1317 [2019-10-22 11:24:22,276 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=83, Invalid=189, Unknown=0, NotChecked=0, Total=272 [2019-10-22 11:24:22,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1317 states. [2019-10-22 11:24:22,329 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1317 to 555. [2019-10-22 11:24:22,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 555 states. [2019-10-22 11:24:22,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 555 states to 555 states and 750 transitions. [2019-10-22 11:24:22,331 INFO L78 Accepts]: Start accepts. Automaton has 555 states and 750 transitions. Word has length 25 [2019-10-22 11:24:22,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:24:22,332 INFO L462 AbstractCegarLoop]: Abstraction has 555 states and 750 transitions. [2019-10-22 11:24:22,332 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-22 11:24:22,332 INFO L276 IsEmpty]: Start isEmpty. Operand 555 states and 750 transitions. [2019-10-22 11:24:22,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2019-10-22 11:24:22,336 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:24:22,337 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] [2019-10-22 11:24:22,537 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-10-22 11:24:22,538 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:24:22,538 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:24:22,538 INFO L82 PathProgramCache]: Analyzing trace with hash -101514285, now seen corresponding path program 1 times [2019-10-22 11:24:22,538 INFO L157 tionRefinementEngine]: Executing refinement strategy WALRUS [2019-10-22 11:24:22,538 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1324596698] [2019-10-22 11:24:22,539 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_83e1aec5-916d-4926-b378-05eca93e0a89/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 11:24:22,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:24:22,680 INFO L256 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 5 conjunts are in the unsatisfiable core [2019-10-22 11:24:22,681 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 11:24:22,699 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 11:24:22,700 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 11:24:22,703 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 11:24:22,704 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1324596698] [2019-10-22 11:24:22,704 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:24:22,704 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2019-10-22 11:24:22,704 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [145057052] [2019-10-22 11:24:22,704 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 11:24:22,704 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-10-22 11:24:22,705 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 11:24:22,705 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 11:24:22,705 INFO L87 Difference]: Start difference. First operand 555 states and 750 transitions. Second operand 5 states. [2019-10-22 11:24:22,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:24:22,943 INFO L93 Difference]: Finished difference Result 1625 states and 2148 transitions. [2019-10-22 11:24:22,943 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-22 11:24:22,943 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 40 [2019-10-22 11:24:22,943 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:24:22,946 INFO L225 Difference]: With dead ends: 1625 [2019-10-22 11:24:22,947 INFO L226 Difference]: Without dead ends: 1076 [2019-10-22 11:24:22,948 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 77 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 11:24:22,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1076 states. [2019-10-22 11:24:22,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1076 to 618. [2019-10-22 11:24:22,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 618 states. [2019-10-22 11:24:22,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 618 states to 618 states and 813 transitions. [2019-10-22 11:24:22,996 INFO L78 Accepts]: Start accepts. Automaton has 618 states and 813 transitions. Word has length 40 [2019-10-22 11:24:22,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:24:22,997 INFO L462 AbstractCegarLoop]: Abstraction has 618 states and 813 transitions. [2019-10-22 11:24:22,997 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 11:24:22,997 INFO L276 IsEmpty]: Start isEmpty. Operand 618 states and 813 transitions. [2019-10-22 11:24:22,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2019-10-22 11:24:22,999 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:24:22,999 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:24:23,199 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-10-22 11:24:23,200 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:24:23,200 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:24:23,200 INFO L82 PathProgramCache]: Analyzing trace with hash -235527791, now seen corresponding path program 1 times [2019-10-22 11:24:23,201 INFO L157 tionRefinementEngine]: Executing refinement strategy WALRUS [2019-10-22 11:24:23,201 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [301258194] [2019-10-22 11:24:23,201 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_83e1aec5-916d-4926-b378-05eca93e0a89/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 11:24:23,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:24:23,340 INFO L256 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 5 conjunts are in the unsatisfiable core [2019-10-22 11:24:23,342 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 11:24:23,353 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 11:24:23,353 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 11:24:23,370 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 11:24:23,370 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [301258194] [2019-10-22 11:24:23,370 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:24:23,370 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2019-10-22 11:24:23,371 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1154385137] [2019-10-22 11:24:23,371 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-22 11:24:23,371 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-10-22 11:24:23,371 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-22 11:24:23,371 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-10-22 11:24:23,372 INFO L87 Difference]: Start difference. First operand 618 states and 813 transitions. Second operand 6 states. [2019-10-22 11:24:23,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:24:23,593 INFO L93 Difference]: Finished difference Result 1568 states and 2034 transitions. [2019-10-22 11:24:23,594 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-22 11:24:23,594 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 40 [2019-10-22 11:24:23,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:24:23,597 INFO L225 Difference]: With dead ends: 1568 [2019-10-22 11:24:23,597 INFO L226 Difference]: Without dead ends: 881 [2019-10-22 11:24:23,598 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 75 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 11:24:23,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 881 states. [2019-10-22 11:24:23,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 881 to 517. [2019-10-22 11:24:23,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 517 states. [2019-10-22 11:24:23,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 517 states to 517 states and 674 transitions. [2019-10-22 11:24:23,643 INFO L78 Accepts]: Start accepts. Automaton has 517 states and 674 transitions. Word has length 40 [2019-10-22 11:24:23,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:24:23,643 INFO L462 AbstractCegarLoop]: Abstraction has 517 states and 674 transitions. [2019-10-22 11:24:23,644 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-22 11:24:23,644 INFO L276 IsEmpty]: Start isEmpty. Operand 517 states and 674 transitions. [2019-10-22 11:24:23,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2019-10-22 11:24:23,645 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:24:23,645 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:24:23,845 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-10-22 11:24:23,846 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:24:23,846 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:24:23,846 INFO L82 PathProgramCache]: Analyzing trace with hash -1387630177, now seen corresponding path program 1 times [2019-10-22 11:24:23,846 INFO L157 tionRefinementEngine]: Executing refinement strategy WALRUS [2019-10-22 11:24:23,846 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1196978431] [2019-10-22 11:24:23,846 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_83e1aec5-916d-4926-b378-05eca93e0a89/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 11:24:23,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:24:23,975 INFO L256 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 5 conjunts are in the unsatisfiable core [2019-10-22 11:24:23,976 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 11:24:24,002 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-10-22 11:24:24,002 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 11:24:24,007 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-10-22 11:24:24,007 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1196978431] [2019-10-22 11:24:24,007 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:24:24,007 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2019-10-22 11:24:24,008 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [77118919] [2019-10-22 11:24:24,008 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 11:24:24,008 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-10-22 11:24:24,008 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 11:24:24,009 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 11:24:24,009 INFO L87 Difference]: Start difference. First operand 517 states and 674 transitions. Second operand 5 states. [2019-10-22 11:24:24,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:24:24,476 INFO L93 Difference]: Finished difference Result 1359 states and 1766 transitions. [2019-10-22 11:24:24,476 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-22 11:24:24,477 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 41 [2019-10-22 11:24:24,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:24:24,481 INFO L225 Difference]: With dead ends: 1359 [2019-10-22 11:24:24,481 INFO L226 Difference]: Without dead ends: 1353 [2019-10-22 11:24:24,482 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 80 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 11:24:24,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1353 states. [2019-10-22 11:24:24,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1353 to 517. [2019-10-22 11:24:24,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 517 states. [2019-10-22 11:24:24,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 517 states to 517 states and 668 transitions. [2019-10-22 11:24:24,528 INFO L78 Accepts]: Start accepts. Automaton has 517 states and 668 transitions. Word has length 41 [2019-10-22 11:24:24,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:24:24,528 INFO L462 AbstractCegarLoop]: Abstraction has 517 states and 668 transitions. [2019-10-22 11:24:24,528 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 11:24:24,528 INFO L276 IsEmpty]: Start isEmpty. Operand 517 states and 668 transitions. [2019-10-22 11:24:24,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-10-22 11:24:24,529 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:24:24,529 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, 1, 1, 1] [2019-10-22 11:24:24,731 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-10-22 11:24:24,732 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:24:24,732 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:24:24,732 INFO L82 PathProgramCache]: Analyzing trace with hash 2144657791, now seen corresponding path program 1 times [2019-10-22 11:24:24,732 INFO L157 tionRefinementEngine]: Executing refinement strategy WALRUS [2019-10-22 11:24:24,732 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1189869684] [2019-10-22 11:24:24,732 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_83e1aec5-916d-4926-b378-05eca93e0a89/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 11:24:24,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:24:24,861 INFO L256 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 2 conjunts are in the unsatisfiable core [2019-10-22 11:24:24,863 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 11:24:24,873 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 11:24:24,873 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 11:24:24,877 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 11:24:24,878 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1189869684] [2019-10-22 11:24:24,878 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:24:24,878 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2019-10-22 11:24:24,878 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1609039220] [2019-10-22 11:24:24,879 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 11:24:24,879 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-10-22 11:24:24,879 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 11:24:24,879 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:24:24,879 INFO L87 Difference]: Start difference. First operand 517 states and 668 transitions. Second operand 3 states. [2019-10-22 11:24:24,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:24:24,902 INFO L93 Difference]: Finished difference Result 517 states and 668 transitions. [2019-10-22 11:24:24,903 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 11:24:24,903 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2019-10-22 11:24:24,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:24:24,904 INFO L225 Difference]: With dead ends: 517 [2019-10-22 11:24:24,904 INFO L226 Difference]: Without dead ends: 239 [2019-10-22 11:24:24,905 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 101 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 11:24:24,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 239 states. [2019-10-22 11:24:24,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 239 to 239. [2019-10-22 11:24:24,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 239 states. [2019-10-22 11:24:24,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 239 states and 318 transitions. [2019-10-22 11:24:24,926 INFO L78 Accepts]: Start accepts. Automaton has 239 states and 318 transitions. Word has length 52 [2019-10-22 11:24:24,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:24:24,927 INFO L462 AbstractCegarLoop]: Abstraction has 239 states and 318 transitions. [2019-10-22 11:24:24,927 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 11:24:24,927 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 318 transitions. [2019-10-22 11:24:24,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-10-22 11:24:24,927 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:24:24,928 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, 1, 1] [2019-10-22 11:24:25,128 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-10-22 11:24:25,128 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:24:25,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:24:25,129 INFO L82 PathProgramCache]: Analyzing trace with hash 2138901984, now seen corresponding path program 1 times [2019-10-22 11:24:25,129 INFO L157 tionRefinementEngine]: Executing refinement strategy WALRUS [2019-10-22 11:24:25,129 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1915173451] [2019-10-22 11:24:25,129 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_83e1aec5-916d-4926-b378-05eca93e0a89/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 11:24:25,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:24:25,250 INFO L256 TraceCheckSpWp]: Trace formula consists of 233 conjuncts, 11 conjunts are in the unsatisfiable core [2019-10-22 11:24:25,252 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 11:24:25,294 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 11:24:25,294 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 11:24:25,337 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 11:24:25,337 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1915173451] [2019-10-22 11:24:25,337 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1694801073] [2019-10-22 11:24:25,337 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_83e1aec5-916d-4926-b378-05eca93e0a89/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 11:24:25,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:24:25,435 INFO L256 TraceCheckSpWp]: Trace formula consists of 233 conjuncts, 7 conjunts are in the unsatisfiable core [2019-10-22 11:24:25,437 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 11:24:25,446 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 11:24:25,446 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 11:24:25,453 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 11:24:25,454 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 4 imperfect interpolant sequences. [2019-10-22 11:24:25,454 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5, 5] total 10 [2019-10-22 11:24:25,454 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1933350312] [2019-10-22 11:24:25,455 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-10-22 11:24:25,455 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-10-22 11:24:25,455 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-10-22 11:24:25,455 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2019-10-22 11:24:25,455 INFO L87 Difference]: Start difference. First operand 239 states and 318 transitions. Second operand 11 states. [2019-10-22 11:24:26,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:24:26,378 INFO L93 Difference]: Finished difference Result 1564 states and 2123 transitions. [2019-10-22 11:24:26,379 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2019-10-22 11:24:26,379 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 57 [2019-10-22 11:24:26,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:24:26,384 INFO L225 Difference]: With dead ends: 1564 [2019-10-22 11:24:26,385 INFO L226 Difference]: Without dead ends: 1374 [2019-10-22 11:24:26,387 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 244 GetRequests, 213 SyntacticMatches, 2 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 236 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=228, Invalid=702, Unknown=0, NotChecked=0, Total=930 [2019-10-22 11:24:26,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1374 states. [2019-10-22 11:24:26,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1374 to 401. [2019-10-22 11:24:26,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 401 states. [2019-10-22 11:24:26,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 401 states and 542 transitions. [2019-10-22 11:24:26,435 INFO L78 Accepts]: Start accepts. Automaton has 401 states and 542 transitions. Word has length 57 [2019-10-22 11:24:26,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:24:26,435 INFO L462 AbstractCegarLoop]: Abstraction has 401 states and 542 transitions. [2019-10-22 11:24:26,435 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-10-22 11:24:26,435 INFO L276 IsEmpty]: Start isEmpty. Operand 401 states and 542 transitions. [2019-10-22 11:24:26,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2019-10-22 11:24:26,436 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:24:26,436 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, 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] [2019-10-22 11:24:26,837 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 11:24:26,838 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:24:26,838 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:24:26,838 INFO L82 PathProgramCache]: Analyzing trace with hash 579418767, now seen corresponding path program 2 times [2019-10-22 11:24:26,839 INFO L157 tionRefinementEngine]: Executing refinement strategy WALRUS [2019-10-22 11:24:26,839 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1231563484] [2019-10-22 11:24:26,839 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_83e1aec5-916d-4926-b378-05eca93e0a89/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 11:24:28,482 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2019-10-22 11:24:28,483 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-10-22 11:24:28,518 INFO L256 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 9 conjunts are in the unsatisfiable core [2019-10-22 11:24:28,521 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 11:24:28,553 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-22 11:24:28,591 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-10-22 11:24:28,591 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 11:24:28,635 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-10-22 11:24:28,635 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1231563484] [2019-10-22 11:24:28,636 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:24:28,636 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 9 [2019-10-22 11:24:28,636 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2131826558] [2019-10-22 11:24:28,636 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-22 11:24:28,636 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-10-22 11:24:28,637 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-22 11:24:28,637 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2019-10-22 11:24:28,637 INFO L87 Difference]: Start difference. First operand 401 states and 542 transitions. Second operand 9 states. [2019-10-22 11:24:29,538 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:24:29,538 INFO L93 Difference]: Finished difference Result 1795 states and 2433 transitions. [2019-10-22 11:24:29,539 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2019-10-22 11:24:29,539 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 82 [2019-10-22 11:24:29,539 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:24:29,544 INFO L225 Difference]: With dead ends: 1795 [2019-10-22 11:24:29,544 INFO L226 Difference]: Without dead ends: 1344 [2019-10-22 11:24:29,545 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 181 GetRequests, 161 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=148, Invalid=314, Unknown=0, NotChecked=0, Total=462 [2019-10-22 11:24:29,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1344 states. [2019-10-22 11:24:29,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1344 to 492. [2019-10-22 11:24:29,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 492 states. [2019-10-22 11:24:29,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 492 states to 492 states and 654 transitions. [2019-10-22 11:24:29,608 INFO L78 Accepts]: Start accepts. Automaton has 492 states and 654 transitions. Word has length 82 [2019-10-22 11:24:29,608 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:24:29,608 INFO L462 AbstractCegarLoop]: Abstraction has 492 states and 654 transitions. [2019-10-22 11:24:29,608 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-22 11:24:29,608 INFO L276 IsEmpty]: Start isEmpty. Operand 492 states and 654 transitions. [2019-10-22 11:24:29,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2019-10-22 11:24:29,609 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:24:29,609 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, 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 11:24:29,810 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-10-22 11:24:29,810 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:24:29,810 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:24:29,810 INFO L82 PathProgramCache]: Analyzing trace with hash 185051981, now seen corresponding path program 1 times [2019-10-22 11:24:29,810 INFO L157 tionRefinementEngine]: Executing refinement strategy WALRUS [2019-10-22 11:24:29,810 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [778551397] [2019-10-22 11:24:29,811 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_83e1aec5-916d-4926-b378-05eca93e0a89/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 11:24:29,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:24:29,963 INFO L256 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 8 conjunts are in the unsatisfiable core [2019-10-22 11:24:29,964 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 11:24:29,993 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-10-22 11:24:29,994 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 11:24:30,024 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-10-22 11:24:30,024 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [778551397] [2019-10-22 11:24:30,024 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:24:30,024 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6, 5] imperfect sequences [] total 9 [2019-10-22 11:24:30,024 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [633572684] [2019-10-22 11:24:30,025 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-22 11:24:30,025 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-10-22 11:24:30,025 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-22 11:24:30,025 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2019-10-22 11:24:30,025 INFO L87 Difference]: Start difference. First operand 492 states and 654 transitions. Second operand 9 states. [2019-10-22 11:24:30,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:24:30,122 INFO L93 Difference]: Finished difference Result 797 states and 1049 transitions. [2019-10-22 11:24:30,122 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-22 11:24:30,122 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 82 [2019-10-22 11:24:30,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:24:30,123 INFO L225 Difference]: With dead ends: 797 [2019-10-22 11:24:30,123 INFO L226 Difference]: Without dead ends: 0 [2019-10-22 11:24:30,124 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 167 GetRequests, 157 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 11:24:30,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-22 11:24:30,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-22 11:24:30,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-22 11:24:30,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-22 11:24:30,126 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 82 [2019-10-22 11:24:30,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:24:30,126 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 11:24:30,126 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-22 11:24:30,126 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-22 11:24:30,126 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-22 11:24:30,326 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-10-22 11:24:30,330 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-22 11:24:30,681 WARN L191 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 91 [2019-10-22 11:24:30,911 WARN L191 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 58 [2019-10-22 11:24:31,261 WARN L191 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 91 [2019-10-22 11:24:31,398 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 95 [2019-10-22 11:24:31,705 WARN L191 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 109 [2019-10-22 11:24:32,138 WARN L191 SmtUtils]: Spent 395.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 39 [2019-10-22 11:24:32,251 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 33 [2019-10-22 11:24:32,432 WARN L191 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 31 [2019-10-22 11:24:32,842 WARN L191 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 34 [2019-10-22 11:24:33,390 WARN L191 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 39 [2019-10-22 11:24:33,647 WARN L191 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 31 [2019-10-22 11:24:33,839 WARN L191 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 34 [2019-10-22 11:24:34,216 WARN L191 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 25 [2019-10-22 11:24:34,424 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 27 [2019-10-22 11:24:34,444 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 868) no Hoare annotation was computed. [2019-10-22 11:24:34,444 INFO L439 ceAbstractionStarter]: At program point L961(lines 952 965) the Hoare annotation is: false [2019-10-22 11:24:34,444 INFO L439 ceAbstractionStarter]: At program point L961-1(lines 952 965) the Hoare annotation is: (and (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) (not (= ~systemActive~0 (_ bv0 32))) (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (= (_ bv0 32) ~pumpRunning~0) (bvslt ULTIMATE.start_test_~splverifierCounter~0 (_ bv4 32)) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~9 (_ bv0 32))) (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|)) [2019-10-22 11:24:34,445 INFO L439 ceAbstractionStarter]: At program point L961-2(lines 952 965) the Hoare annotation is: false [2019-10-22 11:24:34,445 INFO L439 ceAbstractionStarter]: At program point L961-3(lines 952 965) the Hoare annotation is: (let ((.cse0 (= (_ bv0 32) ~pumpRunning~0)) (.cse2 (not (= ~systemActive~0 (_ bv0 32)))) (.cse1 (bvslt ULTIMATE.start_test_~splverifierCounter~0 (_ bv4 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 (and .cse0 .cse2) (= (bvadd ~waterLevel~0 (_ bv4294967294 32)) (_ bv0 32)) .cse1) .cse3))) [2019-10-22 11:24:34,445 INFO L439 ceAbstractionStarter]: At program point L961-4(lines 952 965) the Hoare annotation is: false [2019-10-22 11:24:34,445 INFO L439 ceAbstractionStarter]: At program point L961-5(lines 952 965) the Hoare annotation is: false [2019-10-22 11:24:34,445 INFO L439 ceAbstractionStarter]: At program point L961-6(lines 952 965) the Hoare annotation is: false [2019-10-22 11:24:34,445 INFO L439 ceAbstractionStarter]: At program point L961-7(lines 952 965) the Hoare annotation is: (and (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) (not (= ~systemActive~0 (_ bv0 32))) (= (_ bv0 32) ~pumpRunning~0) (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-10-22 11:24:34,445 INFO L439 ceAbstractionStarter]: At program point L961-8(lines 952 965) the Hoare annotation is: false [2019-10-22 11:24:34,445 INFO L439 ceAbstractionStarter]: At program point L961-9(lines 952 965) the Hoare annotation is: false [2019-10-22 11:24:34,445 INFO L439 ceAbstractionStarter]: At program point L961-10(lines 952 965) the Hoare annotation is: false [2019-10-22 11:24:34,445 INFO L439 ceAbstractionStarter]: At program point L961-11(lines 952 965) the Hoare annotation is: (and (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) (not (= ~systemActive~0 (_ bv0 32))) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~9 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv1 32) |ULTIMATE.start_getWaterLevel_#res|)) [2019-10-22 11:24:34,445 INFO L443 ceAbstractionStarter]: For program point L698(lines 698 704) no Hoare annotation was computed. [2019-10-22 11:24:34,446 INFO L439 ceAbstractionStarter]: At program point L698-1(lines 698 704) the Hoare annotation is: (let ((.cse2 (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|))) (.cse4 (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~9 (_ bv0 32)))) (.cse0 (= (bvadd ~waterLevel~0 (_ bv4294967294 32)) (_ bv0 32))) (.cse1 (= (_ bv0 32) ~pumpRunning~0)) (.cse6 (not (= ~systemActive~0 (_ bv0 32)))) (.cse3 (bvslt ULTIMATE.start_test_~splverifierCounter~0 (_ bv4 32))) (.cse7 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse5 (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|))) (or (and (and .cse0 .cse1 .cse2 .cse3 .cse4) .cse5) (and (and .cse0 .cse2 .cse3 .cse6 .cse4) .cse5) (and (and .cse0 .cse3 (and .cse1 .cse6)) .cse5) (and (and .cse1 (= (bvadd ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~9 (_ bv4294967295 32)) (_ bv0 32)) .cse3 .cse7 (= (_ bv1 32) |ULTIMATE.start_getWaterLevel_#res|)) .cse5) (and .cse1 .cse6 .cse3 .cse7 .cse5))) [2019-10-22 11:24:34,446 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 868) no Hoare annotation was computed. [2019-10-22 11:24:34,446 INFO L439 ceAbstractionStarter]: At program point L271(lines 256 274) the Hoare annotation is: (and (not (= ~systemActive~0 (_ bv0 32))) (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (= ULTIMATE.start_isLowWaterLevel_~tmp~4 (_ bv0 32)) (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32)) (bvslt ULTIMATE.start_test_~splverifierCounter~0 (_ bv4 32)) (= (bvadd ULTIMATE.start_isLowWaterLevel_~tmp___0~1 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd |ULTIMATE.start_isLowWaterLevel_#res| (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~9 (_ bv0 32))) (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|)) [2019-10-22 11:24:34,446 INFO L439 ceAbstractionStarter]: At program point L271-1(lines 256 274) the Hoare annotation is: false [2019-10-22 11:24:34,446 INFO L439 ceAbstractionStarter]: At program point L271-2(lines 256 274) the Hoare annotation is: false [2019-10-22 11:24:34,446 INFO L439 ceAbstractionStarter]: At program point L271-3(lines 256 274) the Hoare annotation is: false [2019-10-22 11:24:34,446 INFO L439 ceAbstractionStarter]: At program point L271-4(lines 256 274) the Hoare annotation is: false [2019-10-22 11:24:34,447 INFO L439 ceAbstractionStarter]: At program point L271-5(lines 256 274) the Hoare annotation is: false [2019-10-22 11:24:34,447 INFO L439 ceAbstractionStarter]: At program point L998(lines 1 1009) 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 11:24:34,447 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 868) no Hoare annotation was computed. [2019-10-22 11:24:34,447 INFO L443 ceAbstractionStarter]: For program point L868(line 868) no Hoare annotation was computed. [2019-10-22 11:24:34,447 INFO L443 ceAbstractionStarter]: For program point L868-1(line 868) no Hoare annotation was computed. [2019-10-22 11:24:34,447 INFO L443 ceAbstractionStarter]: For program point L868-2(line 868) no Hoare annotation was computed. [2019-10-22 11:24:34,447 INFO L443 ceAbstractionStarter]: For program point L903(lines 903 907) no Hoare annotation was computed. [2019-10-22 11:24:34,447 INFO L443 ceAbstractionStarter]: For program point L144(lines 144 161) no Hoare annotation was computed. [2019-10-22 11:24:34,447 INFO L443 ceAbstractionStarter]: For program point L144-1(lines 144 161) no Hoare annotation was computed. [2019-10-22 11:24:34,447 INFO L443 ceAbstractionStarter]: For program point L144-2(lines 144 161) no Hoare annotation was computed. [2019-10-22 11:24:34,448 INFO L439 ceAbstractionStarter]: At program point L971(lines 966 974) the Hoare annotation is: (and (not (= ~systemActive~0 (_ bv0 32))) (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32)) (bvslt ULTIMATE.start_test_~splverifierCounter~0 (_ bv4 32)) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~9 (_ bv0 32))) (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|)) [2019-10-22 11:24:34,448 INFO L439 ceAbstractionStarter]: At program point L971-1(lines 966 974) the Hoare annotation is: false [2019-10-22 11:24:34,448 INFO L439 ceAbstractionStarter]: At program point L971-2(lines 966 974) the Hoare annotation is: false [2019-10-22 11:24:34,448 INFO L439 ceAbstractionStarter]: At program point L971-3(lines 966 974) the Hoare annotation is: false [2019-10-22 11:24:34,448 INFO L439 ceAbstractionStarter]: At program point L971-4(lines 966 974) the Hoare annotation is: false [2019-10-22 11:24:34,448 INFO L439 ceAbstractionStarter]: At program point L971-5(lines 966 974) the Hoare annotation is: false [2019-10-22 11:24:34,448 INFO L443 ceAbstractionStarter]: For program point L708(lines 708 723) no Hoare annotation was computed. [2019-10-22 11:24:34,448 INFO L443 ceAbstractionStarter]: For program point L279(lines 279 285) no Hoare annotation was computed. [2019-10-22 11:24:34,448 INFO L439 ceAbstractionStarter]: At program point L279-1(lines 279 285) the Hoare annotation is: (let ((.cse0 (= (_ bv0 32) ~pumpRunning~0)) (.cse1 (bvslt ULTIMATE.start_test_~splverifierCounter~0 (_ bv4 32))) (.cse2 (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|))) (or (and .cse0 .cse1 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) .cse2) (and (and (= (bvadd ~waterLevel~0 (_ bv4294967294 32)) (_ bv0 32)) .cse0 .cse1) .cse2))) [2019-10-22 11:24:34,448 INFO L443 ceAbstractionStarter]: For program point L246(lines 246 250) no Hoare annotation was computed. [2019-10-22 11:24:34,448 INFO L443 ceAbstractionStarter]: For program point L246-2(lines 246 250) no Hoare annotation was computed. [2019-10-22 11:24:34,448 INFO L443 ceAbstractionStarter]: For program point L246-3(lines 246 250) no Hoare annotation was computed. [2019-10-22 11:24:34,448 INFO L443 ceAbstractionStarter]: For program point L246-5(lines 246 250) no Hoare annotation was computed. [2019-10-22 11:24:34,449 INFO L443 ceAbstractionStarter]: For program point L246-6(lines 246 250) no Hoare annotation was computed. [2019-10-22 11:24:34,449 INFO L439 ceAbstractionStarter]: At program point L1006(lines 1001 1009) 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 11:24:34,449 INFO L443 ceAbstractionStarter]: For program point L246-8(lines 246 250) no Hoare annotation was computed. [2019-10-22 11:24:34,449 INFO L443 ceAbstractionStarter]: For program point L246-9(lines 246 250) no Hoare annotation was computed. [2019-10-22 11:24:34,449 INFO L443 ceAbstractionStarter]: For program point L246-11(lines 246 250) no Hoare annotation was computed. [2019-10-22 11:24:34,449 INFO L443 ceAbstractionStarter]: For program point L246-12(lines 246 250) no Hoare annotation was computed. [2019-10-22 11:24:34,449 INFO L443 ceAbstractionStarter]: For program point L246-14(lines 246 250) no Hoare annotation was computed. [2019-10-22 11:24:34,449 INFO L443 ceAbstractionStarter]: For program point L246-15(lines 246 250) no Hoare annotation was computed. [2019-10-22 11:24:34,449 INFO L443 ceAbstractionStarter]: For program point L246-17(lines 246 250) no Hoare annotation was computed. [2019-10-22 11:24:34,449 INFO L443 ceAbstractionStarter]: For program point L246-18(lines 246 250) no Hoare annotation was computed. [2019-10-22 11:24:34,449 INFO L443 ceAbstractionStarter]: For program point L246-20(lines 246 250) no Hoare annotation was computed. [2019-10-22 11:24:34,449 INFO L443 ceAbstractionStarter]: For program point L246-21(lines 246 250) no Hoare annotation was computed. [2019-10-22 11:24:34,449 INFO L443 ceAbstractionStarter]: For program point L246-23(lines 246 250) no Hoare annotation was computed. [2019-10-22 11:24:34,450 INFO L443 ceAbstractionStarter]: For program point L246-24(lines 246 250) no Hoare annotation was computed. [2019-10-22 11:24:34,450 INFO L443 ceAbstractionStarter]: For program point L246-26(lines 246 250) no Hoare annotation was computed. [2019-10-22 11:24:34,450 INFO L443 ceAbstractionStarter]: For program point L246-27(lines 246 250) no Hoare annotation was computed. [2019-10-22 11:24:34,450 INFO L443 ceAbstractionStarter]: For program point L246-29(lines 246 250) no Hoare annotation was computed. [2019-10-22 11:24:34,450 INFO L443 ceAbstractionStarter]: For program point L246-30(lines 246 250) no Hoare annotation was computed. [2019-10-22 11:24:34,450 INFO L443 ceAbstractionStarter]: For program point L246-32(lines 246 250) no Hoare annotation was computed. [2019-10-22 11:24:34,450 INFO L443 ceAbstractionStarter]: For program point L246-33(lines 246 250) no Hoare annotation was computed. [2019-10-22 11:24:34,450 INFO L443 ceAbstractionStarter]: For program point L148(lines 148 156) no Hoare annotation was computed. [2019-10-22 11:24:34,450 INFO L443 ceAbstractionStarter]: For program point L148-1(lines 148 156) no Hoare annotation was computed. [2019-10-22 11:24:34,450 INFO L443 ceAbstractionStarter]: For program point L246-35(lines 246 250) no Hoare annotation was computed. [2019-10-22 11:24:34,451 INFO L443 ceAbstractionStarter]: For program point L148-2(lines 148 156) no Hoare annotation was computed. [2019-10-22 11:24:34,451 INFO L439 ceAbstractionStarter]: At program point L776-2(lines 776 790) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~9 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv1 32) |ULTIMATE.start_getWaterLevel_#res|)) [2019-10-22 11:24:34,451 INFO L443 ceAbstractionStarter]: For program point L777(line 777) no Hoare annotation was computed. [2019-10-22 11:24:34,451 INFO L443 ceAbstractionStarter]: For program point L679(lines 678 727) no Hoare annotation was computed. [2019-10-22 11:24:34,452 INFO L443 ceAbstractionStarter]: For program point L118(lines 118 135) no Hoare annotation was computed. [2019-10-22 11:24:34,452 INFO L443 ceAbstractionStarter]: For program point L118-1(lines 118 135) no Hoare annotation was computed. [2019-10-22 11:24:34,452 INFO L443 ceAbstractionStarter]: For program point L118-2(lines 118 135) no Hoare annotation was computed. [2019-10-22 11:24:34,452 INFO L443 ceAbstractionStarter]: For program point L118-3(lines 118 135) no Hoare annotation was computed. [2019-10-22 11:24:34,452 INFO L443 ceAbstractionStarter]: For program point L118-4(lines 118 135) no Hoare annotation was computed. [2019-10-22 11:24:34,452 INFO L443 ceAbstractionStarter]: For program point L118-5(lines 118 135) no Hoare annotation was computed. [2019-10-22 11:24:34,452 INFO L443 ceAbstractionStarter]: For program point L680(lines 680 684) no Hoare annotation was computed. [2019-10-22 11:24:34,452 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-10-22 11:24:34,452 INFO L443 ceAbstractionStarter]: For program point L879(lines 879 883) no Hoare annotation was computed. [2019-10-22 11:24:34,452 INFO L443 ceAbstractionStarter]: For program point L879-3(lines 879 883) no Hoare annotation was computed. [2019-10-22 11:24:34,452 INFO L443 ceAbstractionStarter]: For program point L780(lines 780 784) no Hoare annotation was computed. [2019-10-22 11:24:34,452 INFO L443 ceAbstractionStarter]: For program point L747(lines 747 760) no Hoare annotation was computed. [2019-10-22 11:24:34,452 INFO L443 ceAbstractionStarter]: For program point L780-1(lines 60 66) no Hoare annotation was computed. [2019-10-22 11:24:34,453 INFO L439 ceAbstractionStarter]: At program point L747-1(lines 1 1009) the Hoare annotation is: (let ((.cse0 (= (_ bv0 32) ~pumpRunning~0)) (.cse3 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse4 (= (bvadd ~waterLevel~0 (_ bv4294967294 32)) (_ bv0 32))) (.cse5 (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|))) (.cse7 (not (= ~systemActive~0 (_ bv0 32)))) (.cse1 (bvslt ULTIMATE.start_test_~splverifierCounter~0 (_ bv4 32))) (.cse2 (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|)) (.cse6 (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~9 (_ bv0 32))))) (or (and .cse0 (= (bvadd ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~9 (_ bv4294967295 32)) (_ bv0 32)) .cse1 .cse2 .cse3 (= (_ bv1 32) |ULTIMATE.start_getWaterLevel_#res|)) (and .cse4 .cse5 .cse0 .cse1 .cse6 .cse2) (and (and .cse0 .cse7 .cse1 .cse3) .cse2) (and .cse4 .cse5 .cse7 .cse1 .cse2 .cse6))) [2019-10-22 11:24:34,453 INFO L443 ceAbstractionStarter]: For program point L747-2(lines 747 760) no Hoare annotation was computed. [2019-10-22 11:24:34,453 INFO L443 ceAbstractionStarter]: For program point L879-6(lines 879 883) no Hoare annotation was computed. [2019-10-22 11:24:34,453 INFO L439 ceAbstractionStarter]: At program point L747-3(lines 1 1009) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~9 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv1 32) |ULTIMATE.start_getWaterLevel_#res|)) [2019-10-22 11:24:34,453 INFO L443 ceAbstractionStarter]: For program point L747-4(lines 747 760) no Hoare annotation was computed. [2019-10-22 11:24:34,453 INFO L439 ceAbstractionStarter]: At program point L747-5(lines 1 1009) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~9 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv1 32) |ULTIMATE.start_getWaterLevel_#res|)) [2019-10-22 11:24:34,453 INFO L439 ceAbstractionStarter]: At program point L252(lines 237 255) the Hoare annotation is: false [2019-10-22 11:24:34,453 INFO L439 ceAbstractionStarter]: At program point L252-1(lines 237 255) the Hoare annotation is: (and (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) (= (bvadd ULTIMATE.start_isHighWaterLevel_~tmp~3 (_ bv4294967295 32)) (_ bv0 32)) (not (= ~systemActive~0 (_ bv0 32))) (= (_ bv0 32) ~pumpRunning~0) (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (bvslt ULTIMATE.start_test_~splverifierCounter~0 (_ bv4 32)) (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv0 32)) (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 (_ bv0 32)) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~9 (_ bv0 32))) (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|)) [2019-10-22 11:24:34,453 INFO L439 ceAbstractionStarter]: At program point L252-2(lines 237 255) the Hoare annotation is: false [2019-10-22 11:24:34,454 INFO L439 ceAbstractionStarter]: At program point L252-3(lines 237 255) the Hoare annotation is: (let ((.cse3 (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|)) (.cse0 (= (_ bv0 32) ~pumpRunning~0)) (.cse2 (bvslt ULTIMATE.start_test_~splverifierCounter~0 (_ bv4 32))) (.cse1 (not (= ~systemActive~0 (_ bv0 32))))) (or (and (and (and .cse0 .cse1) (= (bvadd ~waterLevel~0 (_ bv4294967294 32)) (_ bv0 32)) .cse2) .cse3) (and .cse3 (and (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) (= (bvadd ULTIMATE.start_isHighWaterLevel_~tmp~3 (_ bv4294967295 32)) (_ bv0 32)) .cse0 .cse2 .cse1 (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv0 32)) (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 (_ bv0 32)) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)))))) [2019-10-22 11:24:34,454 INFO L439 ceAbstractionStarter]: At program point L252-4(lines 237 255) the Hoare annotation is: false [2019-10-22 11:24:34,454 INFO L439 ceAbstractionStarter]: At program point L252-5(lines 237 255) the Hoare annotation is: false [2019-10-22 11:24:34,454 INFO L439 ceAbstractionStarter]: At program point L252-6(lines 237 255) the Hoare annotation is: false [2019-10-22 11:24:34,454 INFO L439 ceAbstractionStarter]: At program point L252-7(lines 237 255) the Hoare annotation is: (and (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) (= (bvadd ULTIMATE.start_isHighWaterLevel_~tmp~3 (_ bv4294967295 32)) (_ bv0 32)) (not (= ~systemActive~0 (_ bv0 32))) (= (_ bv0 32) ~pumpRunning~0) (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv0 32)) (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 (_ bv0 32)) (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-10-22 11:24:34,454 INFO L439 ceAbstractionStarter]: At program point L252-8(lines 237 255) the Hoare annotation is: false [2019-10-22 11:24:34,454 INFO L439 ceAbstractionStarter]: At program point L252-9(lines 237 255) the Hoare annotation is: false [2019-10-22 11:24:34,454 INFO L439 ceAbstractionStarter]: At program point L252-10(lines 237 255) the Hoare annotation is: false [2019-10-22 11:24:34,454 INFO L439 ceAbstractionStarter]: At program point L252-11(lines 237 255) the Hoare annotation is: (and (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) (= (bvadd ULTIMATE.start_isHighWaterLevel_~tmp~3 (_ bv4294967295 32)) (_ bv0 32)) (not (= ~systemActive~0 (_ bv0 32))) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~9 (_ bv4294967295 32)) (_ bv0 32)) (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv0 32)) (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 (_ bv0 32)) (= (_ bv1 32) |ULTIMATE.start_getWaterLevel_#res|)) [2019-10-22 11:24:34,455 INFO L443 ceAbstractionStarter]: For program point L716(lines 716 722) no Hoare annotation was computed. [2019-10-22 11:24:34,455 INFO L439 ceAbstractionStarter]: At program point L716-1(lines 60 66) the Hoare annotation is: (let ((.cse0 (= (bvadd ~waterLevel~0 (_ bv4294967294 32)) (_ bv0 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0)) (.cse1 (bvslt ULTIMATE.start_test_~splverifierCounter~0 (_ bv4 32))) (.cse2 (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|))) (or (and (and .cse0 (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) .cse1 (not (= ~systemActive~0 (_ bv0 32))) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~9 (_ bv0 32)))) .cse2) (and .cse3 .cse1 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) .cse2) (and (and .cse0 .cse3 .cse1) .cse2))) [2019-10-22 11:24:34,455 INFO L439 ceAbstractionStarter]: At program point L188(lines 181 191) the Hoare annotation is: (and (not (= ~systemActive~0 (_ bv0 32))) (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (bvslt ULTIMATE.start_test_~splverifierCounter~0 (_ bv4 32)) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~9 (_ bv0 32))) (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|)) [2019-10-22 11:24:34,455 INFO L439 ceAbstractionStarter]: At program point L188-1(lines 181 191) the Hoare annotation is: false [2019-10-22 11:24:34,456 INFO L443 ceAbstractionStarter]: For program point L122(lines 122 130) no Hoare annotation was computed. [2019-10-22 11:24:34,456 INFO L439 ceAbstractionStarter]: At program point L188-2(lines 181 191) the Hoare annotation is: false [2019-10-22 11:24:34,456 INFO L443 ceAbstractionStarter]: For program point L122-1(lines 122 130) no Hoare annotation was computed. [2019-10-22 11:24:34,456 INFO L443 ceAbstractionStarter]: For program point L122-2(lines 122 130) no Hoare annotation was computed. [2019-10-22 11:24:34,456 INFO L443 ceAbstractionStarter]: For program point L122-3(lines 122 130) no Hoare annotation was computed. [2019-10-22 11:24:34,456 INFO L443 ceAbstractionStarter]: For program point L122-4(lines 122 130) no Hoare annotation was computed. [2019-10-22 11:24:34,456 INFO L443 ceAbstractionStarter]: For program point L122-5(lines 122 130) no Hoare annotation was computed. [2019-10-22 11:24:34,456 INFO L439 ceAbstractionStarter]: At program point L948(lines 943 951) the Hoare annotation is: (let ((.cse0 (= (bvadd ~waterLevel~0 (_ bv4294967294 32)) (_ bv0 32))) (.cse1 (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|))) (.cse4 (= (_ bv0 32) ~pumpRunning~0)) (.cse2 (bvslt ULTIMATE.start_test_~splverifierCounter~0 (_ bv4 32))) (.cse3 (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|))) (or (and .cse0 .cse1 .cse2 (not (= ~systemActive~0 (_ bv0 32))) .cse3) (and .cse0 .cse1 .cse4 .cse2 .cse3) (and .cse4 .cse2 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) .cse3 (= (_ bv1 32) |ULTIMATE.start_getWaterLevel_#res|)))) [2019-10-22 11:24:34,456 INFO L439 ceAbstractionStarter]: At program point L948-1(lines 943 951) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv1 32) |ULTIMATE.start_getWaterLevel_#res|)) [2019-10-22 11:24:34,456 INFO L439 ceAbstractionStarter]: At program point L948-2(lines 943 951) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv1 32) |ULTIMATE.start_getWaterLevel_#res|)) [2019-10-22 11:24:34,456 INFO L439 ceAbstractionStarter]: At program point L916(lines 911 919) the Hoare annotation is: (and (not (= ~systemActive~0 (_ bv0 32))) (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (bvslt ULTIMATE.start_test_~splverifierCounter~0 (_ bv4 32)) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~9 (_ bv0 32))) (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|)) [2019-10-22 11:24:34,457 INFO L439 ceAbstractionStarter]: At program point L916-1(lines 911 919) the Hoare annotation is: false [2019-10-22 11:24:34,457 INFO L443 ceAbstractionStarter]: For program point L850(lines 850 857) no Hoare annotation was computed. [2019-10-22 11:24:34,457 INFO L439 ceAbstractionStarter]: At program point L916-2(lines 911 919) the Hoare annotation is: false [2019-10-22 11:24:34,457 INFO L446 ceAbstractionStarter]: At program point L850-1(lines 850 857) the Hoare annotation is: true [2019-10-22 11:24:34,457 INFO L443 ceAbstractionStarter]: For program point L751(lines 751 757) no Hoare annotation was computed. [2019-10-22 11:24:34,457 INFO L443 ceAbstractionStarter]: For program point L751-2(lines 751 757) no Hoare annotation was computed. [2019-10-22 11:24:34,457 INFO L443 ceAbstractionStarter]: For program point L751-4(lines 751 757) no Hoare annotation was computed. [2019-10-22 11:24:34,457 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-22 11:24:34,457 INFO L443 ceAbstractionStarter]: For program point L92(lines 92 109) no Hoare annotation was computed. [2019-10-22 11:24:34,457 INFO L443 ceAbstractionStarter]: For program point L92-1(lines 92 109) no Hoare annotation was computed. [2019-10-22 11:24:34,457 INFO L443 ceAbstractionStarter]: For program point L92-2(lines 92 109) no Hoare annotation was computed. [2019-10-22 11:24:34,457 INFO L443 ceAbstractionStarter]: For program point L92-3(lines 92 109) no Hoare annotation was computed. [2019-10-22 11:24:34,458 INFO L443 ceAbstractionStarter]: For program point L92-4(lines 92 109) no Hoare annotation was computed. [2019-10-22 11:24:34,458 INFO L443 ceAbstractionStarter]: For program point L92-5(lines 92 109) no Hoare annotation was computed. [2019-10-22 11:24:34,458 INFO L443 ceAbstractionStarter]: For program point L92-6(lines 92 109) no Hoare annotation was computed. [2019-10-22 11:24:34,458 INFO L443 ceAbstractionStarter]: For program point L92-7(lines 92 109) no Hoare annotation was computed. [2019-10-22 11:24:34,458 INFO L443 ceAbstractionStarter]: For program point L92-8(lines 92 109) no Hoare annotation was computed. [2019-10-22 11:24:34,458 INFO L443 ceAbstractionStarter]: For program point L92-9(lines 92 109) no Hoare annotation was computed. [2019-10-22 11:24:34,458 INFO L443 ceAbstractionStarter]: For program point L92-10(lines 92 109) no Hoare annotation was computed. [2019-10-22 11:24:34,458 INFO L443 ceAbstractionStarter]: For program point L92-11(lines 92 109) no Hoare annotation was computed. [2019-10-22 11:24:34,458 INFO L439 ceAbstractionStarter]: At program point L60(lines 59 78) the Hoare annotation is: (let ((.cse1 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (bvslt ULTIMATE.start_test_~splverifierCounter~0 (_ bv4 32))) (.cse2 (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|))) (or (and (and (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) .cse0 (not (= ~systemActive~0 (_ bv0 32))) .cse1 (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~9 (_ bv0 32)))) .cse2) (and .cse3 .cse0 .cse1 .cse2) (and (and (= (bvadd ~waterLevel~0 (_ bv4294967294 32)) (_ bv0 32)) .cse3 .cse0) .cse2))) [2019-10-22 11:24:34,459 INFO L443 ceAbstractionStarter]: For program point L60-1(lines 60 66) no Hoare annotation was computed. [2019-10-22 11:24:34,459 INFO L439 ceAbstractionStarter]: At program point L60-2(lines 59 78) the Hoare annotation is: (let ((.cse0 (= (_ bv0 32) ~pumpRunning~0)) (.cse1 (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|)) (.cse2 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)))) (or (and .cse0 (= (bvadd ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~9 (_ bv4294967295 32)) (_ bv0 32)) .cse1 .cse2 (= (_ bv1 32) |ULTIMATE.start_getWaterLevel_#res|)) (and .cse0 (not (= ~systemActive~0 (_ bv0 32))) .cse1 .cse2))) [2019-10-22 11:24:34,459 INFO L439 ceAbstractionStarter]: At program point L60-3(lines 59 78) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~9 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv1 32) |ULTIMATE.start_getWaterLevel_#res|)) [2019-10-22 11:24:34,459 INFO L443 ceAbstractionStarter]: For program point L688(lines 688 694) no Hoare annotation was computed. [2019-10-22 11:24:34,459 INFO L439 ceAbstractionStarter]: At program point L688-1(lines 688 694) the Hoare annotation is: (let ((.cse2 (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|))) (.cse4 (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~9 (_ bv0 32)))) (.cse0 (= (bvadd ~waterLevel~0 (_ bv4294967294 32)) (_ bv0 32))) (.cse1 (= (_ bv0 32) ~pumpRunning~0)) (.cse6 (not (= ~systemActive~0 (_ bv0 32)))) (.cse3 (bvslt ULTIMATE.start_test_~splverifierCounter~0 (_ bv4 32))) (.cse7 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse5 (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|))) (or (and (and .cse0 .cse1 .cse2 .cse3 .cse4) .cse5) (and (and .cse0 .cse2 .cse3 .cse6 .cse4) .cse5) (and (and .cse0 .cse3 (and .cse1 .cse6)) .cse5) (and (and .cse1 (= (bvadd ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~9 (_ bv4294967295 32)) (_ bv0 32)) .cse3 .cse7 (= (_ bv1 32) |ULTIMATE.start_getWaterLevel_#res|)) .cse5) (and .cse1 .cse6 .cse3 .cse7 .cse5))) [2019-10-22 11:24:34,460 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-22 11:24:34,460 INFO L443 ceAbstractionStarter]: For program point L96(lines 96 104) no Hoare annotation was computed. [2019-10-22 11:24:34,460 INFO L443 ceAbstractionStarter]: For program point L96-1(lines 96 104) no Hoare annotation was computed. [2019-10-22 11:24:34,460 INFO L443 ceAbstractionStarter]: For program point L96-2(lines 96 104) no Hoare annotation was computed. [2019-10-22 11:24:34,460 INFO L443 ceAbstractionStarter]: For program point L96-3(lines 96 104) no Hoare annotation was computed. [2019-10-22 11:24:34,460 INFO L443 ceAbstractionStarter]: For program point L96-4(lines 96 104) no Hoare annotation was computed. [2019-10-22 11:24:34,460 INFO L443 ceAbstractionStarter]: For program point L96-5(lines 96 104) no Hoare annotation was computed. [2019-10-22 11:24:34,460 INFO L443 ceAbstractionStarter]: For program point L96-6(lines 96 104) no Hoare annotation was computed. [2019-10-22 11:24:34,460 INFO L443 ceAbstractionStarter]: For program point L96-7(lines 96 104) no Hoare annotation was computed. [2019-10-22 11:24:34,460 INFO L443 ceAbstractionStarter]: For program point L96-8(lines 96 104) no Hoare annotation was computed. [2019-10-22 11:24:34,460 INFO L443 ceAbstractionStarter]: For program point L96-9(lines 96 104) no Hoare annotation was computed. [2019-10-22 11:24:34,460 INFO L443 ceAbstractionStarter]: For program point L96-10(lines 96 104) no Hoare annotation was computed. [2019-10-22 11:24:34,460 INFO L443 ceAbstractionStarter]: For program point L96-11(lines 96 104) no Hoare annotation was computed. [2019-10-22 11:24:34,461 INFO L443 ceAbstractionStarter]: For program point L956(lines 956 962) no Hoare annotation was computed. [2019-10-22 11:24:34,461 INFO L443 ceAbstractionStarter]: For program point L956-1(lines 956 962) no Hoare annotation was computed. [2019-10-22 11:24:34,461 INFO L443 ceAbstractionStarter]: For program point L956-2(lines 956 962) no Hoare annotation was computed. [2019-10-22 11:24:34,461 INFO L443 ceAbstractionStarter]: For program point L956-3(lines 956 962) no Hoare annotation was computed. [2019-10-22 11:24:34,461 INFO L439 ceAbstractionStarter]: At program point L824(lines 820 826) 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 11:24:34,461 INFO L443 ceAbstractionStarter]: For program point L956-4(lines 956 962) no Hoare annotation was computed. [2019-10-22 11:24:34,461 INFO L443 ceAbstractionStarter]: For program point L956-5(lines 956 962) no Hoare annotation was computed. [2019-10-22 11:24:34,461 INFO L443 ceAbstractionStarter]: For program point L956-6(lines 956 962) no Hoare annotation was computed. [2019-10-22 11:24:34,461 INFO L443 ceAbstractionStarter]: For program point L956-7(lines 956 962) no Hoare annotation was computed. [2019-10-22 11:24:34,461 INFO L443 ceAbstractionStarter]: For program point L956-8(lines 956 962) no Hoare annotation was computed. [2019-10-22 11:24:34,461 INFO L443 ceAbstractionStarter]: For program point L956-9(lines 956 962) no Hoare annotation was computed. [2019-10-22 11:24:34,461 INFO L443 ceAbstractionStarter]: For program point L956-10(lines 956 962) no Hoare annotation was computed. [2019-10-22 11:24:34,461 INFO L443 ceAbstractionStarter]: For program point L956-11(lines 956 962) no Hoare annotation was computed. [2019-10-22 11:24:34,462 INFO L439 ceAbstractionStarter]: At program point L197(lines 192 200) the Hoare annotation is: false [2019-10-22 11:24:34,462 INFO L439 ceAbstractionStarter]: At program point L197-1(lines 192 200) the Hoare annotation is: false [2019-10-22 11:24:34,462 INFO L439 ceAbstractionStarter]: At program point L197-2(lines 192 200) the Hoare annotation is: false [2019-10-22 11:24:34,462 INFO L443 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-10-22 11:24:34,462 INFO L443 ceAbstractionStarter]: For program point L891(lines 891 895) no Hoare annotation was computed. [2019-10-22 11:24:34,462 INFO L446 ceAbstractionStarter]: At program point L859(lines 840 862) the Hoare annotation is: true [2019-10-22 11:24:34,462 INFO L443 ceAbstractionStarter]: For program point L265(lines 265 269) no Hoare annotation was computed. [2019-10-22 11:24:34,462 INFO L443 ceAbstractionStarter]: For program point L265-2(lines 265 269) no Hoare annotation was computed. [2019-10-22 11:24:34,462 INFO L443 ceAbstractionStarter]: For program point L265-3(lines 265 269) no Hoare annotation was computed. [2019-10-22 11:24:34,462 INFO L443 ceAbstractionStarter]: For program point L265-5(lines 265 269) no Hoare annotation was computed. [2019-10-22 11:24:34,463 INFO L439 ceAbstractionStarter]: At program point L67(lines 67 73) the Hoare annotation is: (let ((.cse1 (= (bvadd ~waterLevel~0 (_ bv4294967294 32)) (_ bv0 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0)) (.cse2 (bvslt ULTIMATE.start_test_~splverifierCounter~0 (_ bv4 32))) (.cse0 (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|))) (or (and .cse0 (and .cse1 .cse2 (not (= ~systemActive~0 (_ bv0 32))))) (and .cse3 .cse2 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) .cse0) (and (and .cse1 .cse3 .cse2) .cse0))) [2019-10-22 11:24:34,463 INFO L443 ceAbstractionStarter]: For program point L265-6(lines 265 269) no Hoare annotation was computed. [2019-10-22 11:24:34,463 INFO L439 ceAbstractionStarter]: At program point L67-1(lines 67 73) the Hoare annotation is: (let ((.cse0 (= (_ bv0 32) ~pumpRunning~0)) (.cse1 (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|)) (.cse2 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)))) (or (and .cse0 (= (bvadd ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~9 (_ bv4294967295 32)) (_ bv0 32)) .cse1 .cse2 (= (_ bv1 32) |ULTIMATE.start_getWaterLevel_#res|)) (and (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) (= (bvadd ULTIMATE.start_isHighWaterLevel_~tmp~3 (_ bv4294967295 32)) (_ bv0 32)) (and .cse0 (not (= ~systemActive~0 (_ bv0 32))) (= (_ bv0 32) ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~0) .cse1 .cse2)))) [2019-10-22 11:24:34,463 INFO L443 ceAbstractionStarter]: For program point L265-8(lines 265 269) no Hoare annotation was computed. [2019-10-22 11:24:34,464 INFO L439 ceAbstractionStarter]: At program point L67-2(lines 67 73) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~9 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv1 32) |ULTIMATE.start_getWaterLevel_#res|)) [2019-10-22 11:24:34,464 INFO L443 ceAbstractionStarter]: For program point L265-9(lines 265 269) no Hoare annotation was computed. [2019-10-22 11:24:34,464 INFO L443 ceAbstractionStarter]: For program point L265-11(lines 265 269) no Hoare annotation was computed. [2019-10-22 11:24:34,464 INFO L443 ceAbstractionStarter]: For program point L265-12(lines 265 269) no Hoare annotation was computed. [2019-10-22 11:24:34,464 INFO L443 ceAbstractionStarter]: For program point L265-14(lines 265 269) no Hoare annotation was computed. [2019-10-22 11:24:34,464 INFO L443 ceAbstractionStarter]: For program point L265-15(lines 265 269) no Hoare annotation was computed. [2019-10-22 11:24:34,464 INFO L439 ceAbstractionStarter]: At program point L728(lines 677 729) the Hoare annotation is: (let ((.cse0 (= (_ bv0 32) ~pumpRunning~0)) (.cse1 (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|)) (.cse2 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)))) (or (and .cse0 (= (bvadd ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~9 (_ bv4294967295 32)) (_ bv0 32)) .cse1 .cse2 (= (_ bv1 32) |ULTIMATE.start_getWaterLevel_#res|)) (and .cse0 (not (= ~systemActive~0 (_ bv0 32))) .cse1 .cse2))) [2019-10-22 11:24:34,464 INFO L443 ceAbstractionStarter]: For program point L265-17(lines 265 269) no Hoare annotation was computed. [2019-10-22 11:24:34,494 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 11:24:34 BoogieIcfgContainer [2019-10-22 11:24:34,495 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-22 11:24:34,495 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 11:24:34,495 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 11:24:34,495 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 11:24:34,496 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:24:19" (3/4) ... [2019-10-22 11:24:34,499 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-10-22 11:24:34,517 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-10-22 11:24:34,518 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-10-22 11:24:34,518 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-10-22 11:24:34,519 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-10-22 11:24:34,520 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-10-22 11:24:34,521 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-10-22 11:24:34,546 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 11:24:34,546 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 11:24:34,547 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((0bv32 == pumpRunning && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && ~bvslt32(splverifierCounter, 4bv32)) && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result) || (((((~bvadd64(waterLevel, 4294967294bv32) == 0bv32 && !(0bv32 == \result)) && 0bv32 == pumpRunning) && ~bvslt32(splverifierCounter, 4bv32)) && !(tmp == 0bv32)) && 1bv32 == \result)) || ((((0bv32 == pumpRunning && !(systemActive == 0bv32)) && ~bvslt32(splverifierCounter, 4bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result)) || (((((~bvadd64(waterLevel, 4294967294bv32) == 0bv32 && !(0bv32 == \result)) && !(systemActive == 0bv32)) && ~bvslt32(splverifierCounter, 4bv32)) && 1bv32 == \result) && !(tmp == 0bv32)) [2019-10-22 11:24:34,547 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((0bv32 == pumpRunning && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result) || (((0bv32 == pumpRunning && !(systemActive == 0bv32)) && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) [2019-10-22 11:24:34,547 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((0bv32 == pumpRunning && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result) || (((0bv32 == pumpRunning && !(systemActive == 0bv32)) && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) [2019-10-22 11:24:34,547 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((~bvadd64(waterLevel, 4294967294bv32) == 0bv32 && 0bv32 == pumpRunning) && !(0bv32 == \result)) && ~bvslt32(splverifierCounter, 4bv32)) && !(tmp == 0bv32)) && 1bv32 == \result) || (((((~bvadd64(waterLevel, 4294967294bv32) == 0bv32 && !(0bv32 == \result)) && ~bvslt32(splverifierCounter, 4bv32)) && !(systemActive == 0bv32)) && !(tmp == 0bv32)) && 1bv32 == \result)) || (((~bvadd64(waterLevel, 4294967294bv32) == 0bv32 && ~bvslt32(splverifierCounter, 4bv32)) && 0bv32 == pumpRunning && !(systemActive == 0bv32)) && 1bv32 == \result)) || (((((0bv32 == pumpRunning && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && ~bvslt32(splverifierCounter, 4bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result) && 1bv32 == \result)) || ((((0bv32 == pumpRunning && !(systemActive == 0bv32)) && ~bvslt32(splverifierCounter, 4bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result) [2019-10-22 11:24:34,547 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((0bv32 == pumpRunning && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result) || ((1bv32 == \result && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && (((0bv32 == pumpRunning && !(systemActive == 0bv32)) && 0bv32 == tmp) && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) [2019-10-22 11:24:34,547 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((~bvadd64(waterLevel, 4294967294bv32) == 0bv32 && 0bv32 == pumpRunning) && !(0bv32 == \result)) && ~bvslt32(splverifierCounter, 4bv32)) && !(tmp == 0bv32)) && 1bv32 == \result) || (((((~bvadd64(waterLevel, 4294967294bv32) == 0bv32 && !(0bv32 == \result)) && ~bvslt32(splverifierCounter, 4bv32)) && !(systemActive == 0bv32)) && !(tmp == 0bv32)) && 1bv32 == \result)) || (((~bvadd64(waterLevel, 4294967294bv32) == 0bv32 && ~bvslt32(splverifierCounter, 4bv32)) && 0bv32 == pumpRunning && !(systemActive == 0bv32)) && 1bv32 == \result)) || (((((0bv32 == pumpRunning && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && ~bvslt32(splverifierCounter, 4bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result) && 1bv32 == \result)) || ((((0bv32 == pumpRunning && !(systemActive == 0bv32)) && ~bvslt32(splverifierCounter, 4bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result) [2019-10-22 11:24:34,547 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((~bvadd64(waterLevel, 4294967294bv32) == 0bv32 && !(0bv32 == \result)) && ~bvslt32(splverifierCounter, 4bv32)) && !(systemActive == 0bv32)) && !(tmp == 0bv32)) && 1bv32 == \result) || (((0bv32 == pumpRunning && ~bvslt32(splverifierCounter, 4bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result)) || (((~bvadd64(waterLevel, 4294967294bv32) == 0bv32 && 0bv32 == pumpRunning) && ~bvslt32(splverifierCounter, 4bv32)) && 1bv32 == \result) [2019-10-22 11:24:34,548 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(0bv32 == \result) && ~bvslt32(splverifierCounter, 4bv32)) && !(systemActive == 0bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && !(tmp == 0bv32)) && 1bv32 == \result) || (((0bv32 == pumpRunning && ~bvslt32(splverifierCounter, 4bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result)) || (((~bvadd64(waterLevel, 4294967294bv32) == 0bv32 && 0bv32 == pumpRunning) && ~bvslt32(splverifierCounter, 4bv32)) && 1bv32 == \result) [2019-10-22 11:24:34,548 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((0bv32 == pumpRunning && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result [2019-10-22 11:24:34,548 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((1bv32 == \result && (~bvadd64(waterLevel, 4294967294bv32) == 0bv32 && ~bvslt32(splverifierCounter, 4bv32)) && !(systemActive == 0bv32)) || (((0bv32 == pumpRunning && ~bvslt32(splverifierCounter, 4bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result)) || (((~bvadd64(waterLevel, 4294967294bv32) == 0bv32 && 0bv32 == pumpRunning) && ~bvslt32(splverifierCounter, 4bv32)) && 1bv32 == \result) [2019-10-22 11:24:34,548 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((0bv32 == pumpRunning && ~bvslt32(splverifierCounter, 4bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result) || (((~bvadd64(waterLevel, 4294967294bv32) == 0bv32 && 0bv32 == pumpRunning) && ~bvslt32(splverifierCounter, 4bv32)) && 1bv32 == \result) [2019-10-22 11:24:34,548 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((0bv32 == pumpRunning && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result [2019-10-22 11:24:34,548 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((0bv32 == pumpRunning && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result [2019-10-22 11:24:34,549 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((~bvadd64(waterLevel, 4294967294bv32) == 0bv32 && !(0bv32 == \result)) && ~bvslt32(splverifierCounter, 4bv32)) && !(systemActive == 0bv32)) && 1bv32 == \result) || ((((~bvadd64(waterLevel, 4294967294bv32) == 0bv32 && !(0bv32 == \result)) && 0bv32 == pumpRunning) && ~bvslt32(splverifierCounter, 4bv32)) && 1bv32 == \result)) || ((((0bv32 == pumpRunning && ~bvslt32(splverifierCounter, 4bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result) && 1bv32 == \result) [2019-10-22 11:24:34,549 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((0bv32 == pumpRunning && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result [2019-10-22 11:24:34,549 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((0bv32 == pumpRunning && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result [2019-10-22 11:24:34,549 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(systemActive == 0bv32) && !(0bv32 == \result)) && ~bvslt32(splverifierCounter, 4bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && !(tmp == 0bv32)) && 1bv32 == \result [2019-10-22 11:24:34,549 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1bv32 == \result && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 [2019-10-22 11:24:34,550 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(systemActive == 0bv32) && !(0bv32 == \result)) && ~bvslt32(splverifierCounter, 4bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && !(tmp == 0bv32)) && 1bv32 == \result [2019-10-22 11:24:34,551 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((0bv32 == pumpRunning && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result [2019-10-22 11:24:34,551 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1bv32 == \result && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && \result == 0bv32) && tmp___0 == 0bv32) && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 [2019-10-22 11:24:34,551 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1bv32 == \result && 0bv32 == pumpRunning) && ~bvslt32(splverifierCounter, 4bv32)) && !(systemActive == 0bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result) || ((((0bv32 == pumpRunning && !(systemActive == 0bv32)) && ~bvadd64(waterLevel, 4294967294bv32) == 0bv32) && ~bvslt32(splverifierCounter, 4bv32)) && 1bv32 == \result) [2019-10-22 11:24:34,552 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((0bv32 == pumpRunning && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result [2019-10-22 11:24:34,552 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((0bv32 == pumpRunning && !(systemActive == 0bv32)) && ~bvadd64(waterLevel, 4294967294bv32) == 0bv32) && ~bvslt32(splverifierCounter, 4bv32)) && 1bv32 == \result) || (1bv32 == \result && ((((((1bv32 == \result && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvslt32(splverifierCounter, 4bv32)) && !(systemActive == 0bv32)) && \result == 0bv32) && tmp___0 == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) [2019-10-22 11:24:34,553 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1bv32 == \result && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result [2019-10-22 11:24:34,553 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(systemActive == 0bv32) && !(0bv32 == \result)) && \result == 0bv32) && ~bvslt32(splverifierCounter, 4bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && !(tmp == 0bv32)) && 1bv32 == \result [2019-10-22 11:24:34,553 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1bv32 == \result && !(systemActive == 0bv32)) && !(0bv32 == \result)) && 0bv32 == pumpRunning) && ~bvslt32(splverifierCounter, 4bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && !(tmp == 0bv32)) && 1bv32 == \result [2019-10-22 11:24:34,554 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((1bv32 == \result && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && \result == 0bv32) && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && tmp___0 == 0bv32) && 1bv32 == \result [2019-10-22 11:24:34,554 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((!(systemActive == 0bv32) && !(0bv32 == \result)) && tmp == 0bv32) && \result == 0bv32) && ~bvslt32(splverifierCounter, 4bv32)) && ~bvadd64(tmp___0, 4294967295bv32) == 0bv32) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && !(tmp == 0bv32)) && 1bv32 == \result [2019-10-22 11:24:34,555 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((1bv32 == \result && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && !(0bv32 == \result)) && ~bvslt32(splverifierCounter, 4bv32)) && \result == 0bv32) && tmp___0 == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && !(tmp == 0bv32)) && 1bv32 == \result [2019-10-22 11:24:34,620 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_83e1aec5-916d-4926-b378-05eca93e0a89/bin/utaipan/witness.graphml [2019-10-22 11:24:34,620 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 11:24:34,621 INFO L168 Benchmark]: Toolchain (without parser) took 17146.37 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 372.8 MB). Free memory was 940.3 MB in the beginning and 1.2 GB in the end (delta: -232.9 MB). Peak memory consumption was 139.9 MB. Max. memory is 11.5 GB. [2019-10-22 11:24:34,621 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 972.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 11:24:34,622 INFO L168 Benchmark]: CACSL2BoogieTranslator took 589.59 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 155.7 MB). Free memory was 940.3 MB in the beginning and 1.1 GB in the end (delta: -197.7 MB). Peak memory consumption was 26.0 MB. Max. memory is 11.5 GB. [2019-10-22 11:24:34,622 INFO L168 Benchmark]: Boogie Procedure Inliner took 69.23 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: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 11.5 GB. [2019-10-22 11:24:34,622 INFO L168 Benchmark]: Boogie Preprocessor took 53.72 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 11:24:34,622 INFO L168 Benchmark]: RCFGBuilder took 1160.11 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: 88.7 MB). Peak memory consumption was 88.7 MB. Max. memory is 11.5 GB. [2019-10-22 11:24:34,623 INFO L168 Benchmark]: TraceAbstraction took 15144.10 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 217.1 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -159.7 MB). Peak memory consumption was 412.3 MB. Max. memory is 11.5 GB. [2019-10-22 11:24:34,623 INFO L168 Benchmark]: Witness Printer took 125.07 ms. Allocated memory is still 1.4 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 11.5 GB. [2019-10-22 11:24:34,624 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 972.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 589.59 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 155.7 MB). Free memory was 940.3 MB in the beginning and 1.1 GB in the end (delta: -197.7 MB). Peak memory consumption was 26.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 69.23 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: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 53.72 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 1160.11 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: 88.7 MB). Peak memory consumption was 88.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 15144.10 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 217.1 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -159.7 MB). Peak memory consumption was 412.3 MB. Max. memory is 11.5 GB. * Witness Printer took 125.07 ms. Allocated memory is still 1.4 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 868]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 868]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 868]: 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: 698]: Loop Invariant Derived loop invariant: ((((((((~bvadd64(waterLevel, 4294967294bv32) == 0bv32 && 0bv32 == pumpRunning) && !(0bv32 == \result)) && ~bvslt32(splverifierCounter, 4bv32)) && !(tmp == 0bv32)) && 1bv32 == \result) || (((((~bvadd64(waterLevel, 4294967294bv32) == 0bv32 && !(0bv32 == \result)) && ~bvslt32(splverifierCounter, 4bv32)) && !(systemActive == 0bv32)) && !(tmp == 0bv32)) && 1bv32 == \result)) || (((~bvadd64(waterLevel, 4294967294bv32) == 0bv32 && ~bvslt32(splverifierCounter, 4bv32)) && 0bv32 == pumpRunning && !(systemActive == 0bv32)) && 1bv32 == \result)) || (((((0bv32 == pumpRunning && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && ~bvslt32(splverifierCounter, 4bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result) && 1bv32 == \result)) || ((((0bv32 == pumpRunning && !(systemActive == 0bv32)) && ~bvslt32(splverifierCounter, 4bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result) - InvariantResult [Line: 237]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 192]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 237]: Loop Invariant Derived loop invariant: (((((((((1bv32 == \result && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && !(0bv32 == \result)) && ~bvslt32(splverifierCounter, 4bv32)) && \result == 0bv32) && tmp___0 == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && !(tmp == 0bv32)) && 1bv32 == \result - InvariantResult [Line: 237]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 952]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 60]: Loop Invariant Derived loop invariant: ((((((~bvadd64(waterLevel, 4294967294bv32) == 0bv32 && !(0bv32 == \result)) && ~bvslt32(splverifierCounter, 4bv32)) && !(systemActive == 0bv32)) && !(tmp == 0bv32)) && 1bv32 == \result) || (((0bv32 == pumpRunning && ~bvslt32(splverifierCounter, 4bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result)) || (((~bvadd64(waterLevel, 4294967294bv32) == 0bv32 && 0bv32 == pumpRunning) && ~bvslt32(splverifierCounter, 4bv32)) && 1bv32 == \result) - InvariantResult [Line: 952]: Loop Invariant Derived loop invariant: ((((((1bv32 == \result && !(systemActive == 0bv32)) && !(0bv32 == \result)) && 0bv32 == pumpRunning) && ~bvslt32(splverifierCounter, 4bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && !(tmp == 0bv32)) && 1bv32 == \result - InvariantResult [Line: 952]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 237]: Loop Invariant Derived loop invariant: ((((((1bv32 == \result && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && \result == 0bv32) && tmp___0 == 0bv32) && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 - InvariantResult [Line: 237]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 237]: 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: 840]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 237]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 192]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 237]: Loop Invariant Derived loop invariant: ((((0bv32 == pumpRunning && !(systemActive == 0bv32)) && ~bvadd64(waterLevel, 4294967294bv32) == 0bv32) && ~bvslt32(splverifierCounter, 4bv32)) && 1bv32 == \result) || (1bv32 == \result && ((((((1bv32 == \result && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvslt32(splverifierCounter, 4bv32)) && !(systemActive == 0bv32)) && \result == 0bv32) && tmp___0 == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) - InvariantResult [Line: 192]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 256]: Loop Invariant Derived loop invariant: ((((((((!(systemActive == 0bv32) && !(0bv32 == \result)) && tmp == 0bv32) && \result == 0bv32) && ~bvslt32(splverifierCounter, 4bv32)) && ~bvadd64(tmp___0, 4294967295bv32) == 0bv32) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && !(tmp == 0bv32)) && 1bv32 == \result - InvariantResult [Line: 1001]: Loop Invariant Derived loop invariant: ((0bv32 == pumpRunning && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 - InvariantResult [Line: 677]: Loop Invariant Derived loop invariant: ((((0bv32 == pumpRunning && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result) || (((0bv32 == pumpRunning && !(systemActive == 0bv32)) && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) - InvariantResult [Line: 943]: Loop Invariant Derived loop invariant: (((((~bvadd64(waterLevel, 4294967294bv32) == 0bv32 && !(0bv32 == \result)) && ~bvslt32(splverifierCounter, 4bv32)) && !(systemActive == 0bv32)) && 1bv32 == \result) || ((((~bvadd64(waterLevel, 4294967294bv32) == 0bv32 && !(0bv32 == \result)) && 0bv32 == pumpRunning) && ~bvslt32(splverifierCounter, 4bv32)) && 1bv32 == \result)) || ((((0bv32 == pumpRunning && ~bvslt32(splverifierCounter, 4bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result) && 1bv32 == \result) - InvariantResult [Line: 256]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 943]: Loop Invariant Derived loop invariant: ((0bv32 == pumpRunning && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((0bv32 == pumpRunning && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result - InvariantResult [Line: 256]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 943]: Loop Invariant Derived loop invariant: ((0bv32 == pumpRunning && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result - InvariantResult [Line: 256]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 256]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((0bv32 == pumpRunning && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result - InvariantResult [Line: 776]: Loop Invariant Derived loop invariant: (((0bv32 == pumpRunning && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result - InvariantResult [Line: 256]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 688]: Loop Invariant Derived loop invariant: ((((((((~bvadd64(waterLevel, 4294967294bv32) == 0bv32 && 0bv32 == pumpRunning) && !(0bv32 == \result)) && ~bvslt32(splverifierCounter, 4bv32)) && !(tmp == 0bv32)) && 1bv32 == \result) || (((((~bvadd64(waterLevel, 4294967294bv32) == 0bv32 && !(0bv32 == \result)) && ~bvslt32(splverifierCounter, 4bv32)) && !(systemActive == 0bv32)) && !(tmp == 0bv32)) && 1bv32 == \result)) || (((~bvadd64(waterLevel, 4294967294bv32) == 0bv32 && ~bvslt32(splverifierCounter, 4bv32)) && 0bv32 == pumpRunning && !(systemActive == 0bv32)) && 1bv32 == \result)) || (((((0bv32 == pumpRunning && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && ~bvslt32(splverifierCounter, 4bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result) && 1bv32 == \result)) || ((((0bv32 == pumpRunning && !(systemActive == 0bv32)) && ~bvslt32(splverifierCounter, 4bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result) - InvariantResult [Line: 59]: Loop Invariant Derived loop invariant: ((((0bv32 == pumpRunning && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result) || (((0bv32 == pumpRunning && !(systemActive == 0bv32)) && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) - InvariantResult [Line: 181]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 820]: Loop Invariant Derived loop invariant: ((0bv32 == pumpRunning && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 - InvariantResult [Line: 181]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 59]: Loop Invariant Derived loop invariant: ((((((!(0bv32 == \result) && ~bvslt32(splverifierCounter, 4bv32)) && !(systemActive == 0bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && !(tmp == 0bv32)) && 1bv32 == \result) || (((0bv32 == pumpRunning && ~bvslt32(splverifierCounter, 4bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result)) || (((~bvadd64(waterLevel, 4294967294bv32) == 0bv32 && 0bv32 == pumpRunning) && ~bvslt32(splverifierCounter, 4bv32)) && 1bv32 == \result) - InvariantResult [Line: 181]: Loop Invariant Derived loop invariant: ((((!(systemActive == 0bv32) && !(0bv32 == \result)) && ~bvslt32(splverifierCounter, 4bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && !(tmp == 0bv32)) && 1bv32 == \result - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((((0bv32 == pumpRunning && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && ~bvslt32(splverifierCounter, 4bv32)) && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result) || (((((~bvadd64(waterLevel, 4294967294bv32) == 0bv32 && !(0bv32 == \result)) && 0bv32 == pumpRunning) && ~bvslt32(splverifierCounter, 4bv32)) && !(tmp == 0bv32)) && 1bv32 == \result)) || ((((0bv32 == pumpRunning && !(systemActive == 0bv32)) && ~bvslt32(splverifierCounter, 4bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result)) || (((((~bvadd64(waterLevel, 4294967294bv32) == 0bv32 && !(0bv32 == \result)) && !(systemActive == 0bv32)) && ~bvslt32(splverifierCounter, 4bv32)) && 1bv32 == \result) && !(tmp == 0bv32)) - InvariantResult [Line: 911]: Loop Invariant Derived loop invariant: ((((!(systemActive == 0bv32) && !(0bv32 == \result)) && ~bvslt32(splverifierCounter, 4bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && !(tmp == 0bv32)) && 1bv32 == \result - InvariantResult [Line: 966]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 911]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 966]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 279]: Loop Invariant Derived loop invariant: (((0bv32 == pumpRunning && ~bvslt32(splverifierCounter, 4bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result) || (((~bvadd64(waterLevel, 4294967294bv32) == 0bv32 && 0bv32 == pumpRunning) && ~bvslt32(splverifierCounter, 4bv32)) && 1bv32 == \result) - InvariantResult [Line: 67]: Loop Invariant Derived loop invariant: (((0bv32 == pumpRunning && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result - InvariantResult [Line: 911]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 966]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 850]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 67]: Loop Invariant Derived loop invariant: ((((0bv32 == pumpRunning && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result) || ((1bv32 == \result && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && (((0bv32 == pumpRunning && !(systemActive == 0bv32)) && 0bv32 == tmp) && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) - InvariantResult [Line: 966]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 67]: Loop Invariant Derived loop invariant: ((1bv32 == \result && (~bvadd64(waterLevel, 4294967294bv32) == 0bv32 && ~bvslt32(splverifierCounter, 4bv32)) && !(systemActive == 0bv32)) || (((0bv32 == pumpRunning && ~bvslt32(splverifierCounter, 4bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result)) || (((~bvadd64(waterLevel, 4294967294bv32) == 0bv32 && 0bv32 == pumpRunning) && ~bvslt32(splverifierCounter, 4bv32)) && 1bv32 == \result) - InvariantResult [Line: 59]: Loop Invariant Derived loop invariant: (((0bv32 == pumpRunning && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result - InvariantResult [Line: 952]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 952]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 237]: Loop Invariant Derived loop invariant: ((((((((1bv32 == \result && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && \result == 0bv32) && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && tmp___0 == 0bv32) && 1bv32 == \result - InvariantResult [Line: 952]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 237]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 952]: Loop Invariant Derived loop invariant: (((((1bv32 == \result && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result - InvariantResult [Line: 966]: Loop Invariant Derived loop invariant: (((((!(systemActive == 0bv32) && !(0bv32 == \result)) && \result == 0bv32) && ~bvslt32(splverifierCounter, 4bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && !(tmp == 0bv32)) && 1bv32 == \result - InvariantResult [Line: 237]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 966]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 237]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 952]: Loop Invariant Derived loop invariant: (((((1bv32 == \result && 0bv32 == pumpRunning) && ~bvslt32(splverifierCounter, 4bv32)) && !(systemActive == 0bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result) || ((((0bv32 == pumpRunning && !(systemActive == 0bv32)) && ~bvadd64(waterLevel, 4294967294bv32) == 0bv32) && ~bvslt32(splverifierCounter, 4bv32)) && 1bv32 == \result) - InvariantResult [Line: 952]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 952]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 952]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 952]: Loop Invariant Derived loop invariant: (((1bv32 == \result && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 191 locations, 3 error locations. Result: SAFE, OverallTime: 15.0s, OverallIterations: 11, TraceHistogramMax: 3, AutomataDifference: 4.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.1s, HoareTripleCheckerStatistics: 2827 SDtfs, 7179 SDslu, 7403 SDs, 0 SdLazy, 1400 SolverSat, 358 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1099 GetRequests, 1002 SyntacticMatches, 2 SemanticMatches, 95 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 343 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=618occurred 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: 0.4s AutomataMinimizationTime, 11 MinimizatonAttempts, 4440 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 68 LocationsWithAnnotation, 68 PreInvPairs, 250 NumberOfFragments, 1315 HoareAnnotationTreeSize, 68 FomulaSimplifications, 556153 FormulaSimplificationTreeSizeReduction, 1.4s HoareSimplificationTime, 68 FomulaSimplificationsInter, 10933 FormulaSimplificationTreeSizeReductionInter, 2.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 2.2s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 529 NumberOfCodeBlocks, 529 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 1034 ConstructedInterpolants, 0 QuantifiedInterpolants, 116555 SizeOfPredicates, 45 NumberOfNonLiveVariables, 2569 ConjunctsInSsa, 65 ConjunctsInUnsatCore, 24 InterpolantComputations, 20 PerfectInterpolantSequences, 266/302 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...