./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product61.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_62ea6b69-f4da-4d0c-b762-79617c46f269/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_62ea6b69-f4da-4d0c-b762-79617c46f269/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_62ea6b69-f4da-4d0c-b762-79617c46f269/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_62ea6b69-f4da-4d0c-b762-79617c46f269/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product61.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_62ea6b69-f4da-4d0c-b762-79617c46f269/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_62ea6b69-f4da-4d0c-b762-79617c46f269/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 62215579489c65348c20dcb35d4d11bc17ff5b74 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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_62ea6b69-f4da-4d0c-b762-79617c46f269/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_62ea6b69-f4da-4d0c-b762-79617c46f269/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_62ea6b69-f4da-4d0c-b762-79617c46f269/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_62ea6b69-f4da-4d0c-b762-79617c46f269/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product61.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_62ea6b69-f4da-4d0c-b762-79617c46f269/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_62ea6b69-f4da-4d0c-b762-79617c46f269/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 62215579489c65348c20dcb35d4d11bc17ff5b74 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 11:25:55,860 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 11:25:55,861 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 11:25:55,870 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 11:25:55,871 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 11:25:55,871 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 11:25:55,873 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 11:25:55,874 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 11:25:55,875 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 11:25:55,876 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 11:25:55,877 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 11:25:55,878 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 11:25:55,878 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 11:25:55,879 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 11:25:55,880 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 11:25:55,881 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 11:25:55,882 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 11:25:55,883 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 11:25:55,884 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 11:25:55,886 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 11:25:55,889 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 11:25:55,890 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 11:25:55,891 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 11:25:55,891 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 11:25:55,893 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 11:25:55,894 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 11:25:55,894 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 11:25:55,895 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 11:25:55,895 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 11:25:55,896 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 11:25:55,896 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 11:25:55,897 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 11:25:55,897 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 11:25:55,898 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 11:25:55,899 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 11:25:55,899 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 11:25:55,900 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 11:25:55,900 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 11:25:55,900 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 11:25:55,901 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 11:25:55,902 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 11:25:55,902 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_62ea6b69-f4da-4d0c-b762-79617c46f269/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-10-22 11:25:55,913 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 11:25:55,913 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 11:25:55,914 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-22 11:25:55,914 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-22 11:25:55,914 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-22 11:25:55,915 INFO L138 SettingsManager]: * Explicit value domain=true [2019-10-22 11:25:55,915 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-10-22 11:25:55,915 INFO L138 SettingsManager]: * Octagon Domain=false [2019-10-22 11:25:55,915 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-10-22 11:25:55,915 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-10-22 11:25:55,915 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-10-22 11:25:55,916 INFO L138 SettingsManager]: * Interval Domain=false [2019-10-22 11:25:55,916 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 11:25:55,916 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 11:25:55,916 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 11:25:55,917 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 11:25:55,917 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 11:25:55,917 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 11:25:55,917 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 11:25:55,917 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 11:25:55,917 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 11:25:55,917 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 11:25:55,918 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 11:25:55,918 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 11:25:55,918 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 11:25:55,918 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 11:25:55,918 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 11:25:55,918 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 11:25:55,919 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 11:25:55,919 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 11:25:55,919 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 11:25:55,919 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-10-22 11:25:55,919 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 11:25:55,920 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 11:25:55,920 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-22 11:25:55,920 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_62ea6b69-f4da-4d0c-b762-79617c46f269/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 -> 62215579489c65348c20dcb35d4d11bc17ff5b74 [2019-10-22 11:25:55,943 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 11:25:55,953 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 11:25:55,956 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 11:25:55,957 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 11:25:55,957 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 11:25:55,958 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_62ea6b69-f4da-4d0c-b762-79617c46f269/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec4_product61.cil.c [2019-10-22 11:25:56,002 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_62ea6b69-f4da-4d0c-b762-79617c46f269/bin/utaipan/data/080f54715/a2c7cc0edf6c42678217ef9a88806069/FLAG51c6a3b51 [2019-10-22 11:25:56,455 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 11:25:56,456 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_62ea6b69-f4da-4d0c-b762-79617c46f269/sv-benchmarks/c/product-lines/minepump_spec4_product61.cil.c [2019-10-22 11:25:56,467 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_62ea6b69-f4da-4d0c-b762-79617c46f269/bin/utaipan/data/080f54715/a2c7cc0edf6c42678217ef9a88806069/FLAG51c6a3b51 [2019-10-22 11:25:56,791 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_62ea6b69-f4da-4d0c-b762-79617c46f269/bin/utaipan/data/080f54715/a2c7cc0edf6c42678217ef9a88806069 [2019-10-22 11:25:56,793 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 11:25:56,794 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 11:25:56,795 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 11:25:56,795 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 11:25:56,798 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 11:25:56,799 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:25:56" (1/1) ... [2019-10-22 11:25:56,802 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c4a1a6b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:25:56, skipping insertion in model container [2019-10-22 11:25:56,802 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:25:56" (1/1) ... [2019-10-22 11:25:56,809 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 11:25:56,850 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 11:25:57,167 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:25:57,180 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 11:25:57,262 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:25:57,294 INFO L192 MainTranslator]: Completed translation [2019-10-22 11:25:57,294 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:25:57 WrapperNode [2019-10-22 11:25:57,295 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 11:25:57,295 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 11:25:57,296 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 11:25:57,296 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 11:25:57,304 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:25:57" (1/1) ... [2019-10-22 11:25:57,329 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:25:57" (1/1) ... [2019-10-22 11:25:57,391 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 11:25:57,391 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 11:25:57,392 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 11:25:57,392 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 11:25:57,398 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:25:57" (1/1) ... [2019-10-22 11:25:57,398 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:25:57" (1/1) ... [2019-10-22 11:25:57,404 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:25:57" (1/1) ... [2019-10-22 11:25:57,404 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:25:57" (1/1) ... [2019-10-22 11:25:57,427 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:25:57" (1/1) ... [2019-10-22 11:25:57,449 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:25:57" (1/1) ... [2019-10-22 11:25:57,453 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:25:57" (1/1) ... [2019-10-22 11:25:57,472 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 11:25:57,472 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 11:25:57,472 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 11:25:57,473 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 11:25:57,473 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:25:57" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_62ea6b69-f4da-4d0c-b762-79617c46f269/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 11:25:57,544 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 11:25:57,545 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-22 11:25:57,545 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 11:25:57,547 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 11:25:58,557 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 11:25:58,558 INFO L284 CfgBuilder]: Removed 348 assume(true) statements. [2019-10-22 11:25:58,559 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:25:58 BoogieIcfgContainer [2019-10-22 11:25:58,559 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 11:25:58,561 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 11:25:58,561 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 11:25:58,564 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 11:25:58,564 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 11:25:56" (1/3) ... [2019-10-22 11:25:58,565 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62b4e2ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:25:58, skipping insertion in model container [2019-10-22 11:25:58,565 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:25:57" (2/3) ... [2019-10-22 11:25:58,566 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62b4e2ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:25:58, skipping insertion in model container [2019-10-22 11:25:58,566 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:25:58" (3/3) ... [2019-10-22 11:25:58,567 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product61.cil.c [2019-10-22 11:25:58,577 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 11:25:58,584 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-10-22 11:25:58,594 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-10-22 11:25:58,617 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 11:25:58,617 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-22 11:25:58,617 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 11:25:58,617 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 11:25:58,618 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 11:25:58,618 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 11:25:58,618 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 11:25:58,618 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 11:25:58,635 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states. [2019-10-22 11:25:58,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-10-22 11:25:58,641 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:25:58,641 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:25:58,643 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:25:58,648 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:25:58,648 INFO L82 PathProgramCache]: Analyzing trace with hash 1538221509, now seen corresponding path program 1 times [2019-10-22 11:25:58,656 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:25:58,656 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1308739542] [2019-10-22 11:25:58,656 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:25:58,657 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:25:58,657 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:25:58,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:25:58,837 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 11:25:58,837 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1308739542] [2019-10-22 11:25:58,838 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:25:58,838 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 11:25:58,838 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1843741124] [2019-10-22 11:25:58,842 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-22 11:25:58,844 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:25:58,855 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-22 11:25:58,856 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-22 11:25:58,858 INFO L87 Difference]: Start difference. First operand 225 states. Second operand 2 states. [2019-10-22 11:25:58,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:25:58,901 INFO L93 Difference]: Finished difference Result 444 states and 665 transitions. [2019-10-22 11:25:58,901 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-22 11:25:58,902 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2019-10-22 11:25:58,902 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:25:58,919 INFO L225 Difference]: With dead ends: 444 [2019-10-22 11:25:58,919 INFO L226 Difference]: Without dead ends: 221 [2019-10-22 11:25:58,922 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 11:25:58,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states. [2019-10-22 11:25:58,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 221. [2019-10-22 11:25:58,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 221 states. [2019-10-22 11:25:58,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 221 states and 324 transitions. [2019-10-22 11:25:58,980 INFO L78 Accepts]: Start accepts. Automaton has 221 states and 324 transitions. Word has length 16 [2019-10-22 11:25:58,980 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:25:58,980 INFO L462 AbstractCegarLoop]: Abstraction has 221 states and 324 transitions. [2019-10-22 11:25:58,980 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-22 11:25:58,981 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 324 transitions. [2019-10-22 11:25:58,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-10-22 11:25:58,981 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:25:58,981 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 11:25:58,982 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:25:58,982 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:25:58,982 INFO L82 PathProgramCache]: Analyzing trace with hash 1505952337, now seen corresponding path program 1 times [2019-10-22 11:25:58,982 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:25:58,983 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1011361919] [2019-10-22 11:25:58,983 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:25:58,983 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:25:58,983 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:25:59,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:25:59,101 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 11:25:59,101 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1011361919] [2019-10-22 11:25:59,102 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:25:59,102 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 11:25:59,102 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [220598622] [2019-10-22 11:25:59,103 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 11:25:59,103 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:25:59,104 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 11:25:59,104 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:25:59,104 INFO L87 Difference]: Start difference. First operand 221 states and 324 transitions. Second operand 3 states. [2019-10-22 11:25:59,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:25:59,120 INFO L93 Difference]: Finished difference Result 221 states and 324 transitions. [2019-10-22 11:25:59,121 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 11:25:59,121 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2019-10-22 11:25:59,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:25:59,122 INFO L225 Difference]: With dead ends: 221 [2019-10-22 11:25:59,122 INFO L226 Difference]: Without dead ends: 83 [2019-10-22 11:25:59,123 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 11:25:59,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2019-10-22 11:25:59,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83. [2019-10-22 11:25:59,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 83 states. [2019-10-22 11:25:59,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 121 transitions. [2019-10-22 11:25:59,130 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 121 transitions. Word has length 17 [2019-10-22 11:25:59,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:25:59,130 INFO L462 AbstractCegarLoop]: Abstraction has 83 states and 121 transitions. [2019-10-22 11:25:59,130 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 11:25:59,130 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 121 transitions. [2019-10-22 11:25:59,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-10-22 11:25:59,131 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:25:59,131 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 11:25:59,131 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:25:59,131 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:25:59,132 INFO L82 PathProgramCache]: Analyzing trace with hash -1849279646, now seen corresponding path program 1 times [2019-10-22 11:25:59,132 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:25:59,132 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [829390599] [2019-10-22 11:25:59,132 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:25:59,132 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:25:59,132 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:25:59,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:25:59,266 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 11:25:59,266 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [829390599] [2019-10-22 11:25:59,266 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:25:59,267 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-22 11:25:59,267 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [894331547] [2019-10-22 11:25:59,271 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-22 11:25:59,272 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:25:59,272 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-22 11:25:59,272 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-10-22 11:25:59,272 INFO L87 Difference]: Start difference. First operand 83 states and 121 transitions. Second operand 6 states. [2019-10-22 11:25:59,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:25:59,377 INFO L93 Difference]: Finished difference Result 160 states and 236 transitions. [2019-10-22 11:25:59,377 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-22 11:25:59,377 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 22 [2019-10-22 11:25:59,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:25:59,378 INFO L225 Difference]: With dead ends: 160 [2019-10-22 11:25:59,378 INFO L226 Difference]: Without dead ends: 83 [2019-10-22 11:25:59,379 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-10-22 11:25:59,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2019-10-22 11:25:59,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83. [2019-10-22 11:25:59,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 83 states. [2019-10-22 11:25:59,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 120 transitions. [2019-10-22 11:25:59,395 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 120 transitions. Word has length 22 [2019-10-22 11:25:59,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:25:59,395 INFO L462 AbstractCegarLoop]: Abstraction has 83 states and 120 transitions. [2019-10-22 11:25:59,395 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-22 11:25:59,395 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 120 transitions. [2019-10-22 11:25:59,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-10-22 11:25:59,396 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:25:59,396 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:25:59,396 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:25:59,397 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:25:59,397 INFO L82 PathProgramCache]: Analyzing trace with hash 1583482167, now seen corresponding path program 1 times [2019-10-22 11:25:59,397 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:25:59,397 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [717958540] [2019-10-22 11:25:59,397 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:25:59,397 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:25:59,398 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:25:59,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:25:59,492 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 11:25:59,492 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [717958540] [2019-10-22 11:25:59,492 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:25:59,492 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 11:25:59,493 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1652766874] [2019-10-22 11:25:59,493 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 11:25:59,493 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:25:59,493 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 11:25:59,494 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:25:59,494 INFO L87 Difference]: Start difference. First operand 83 states and 120 transitions. Second operand 3 states. [2019-10-22 11:25:59,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:25:59,547 INFO L93 Difference]: Finished difference Result 166 states and 242 transitions. [2019-10-22 11:25:59,547 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 11:25:59,547 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 25 [2019-10-22 11:25:59,548 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:25:59,548 INFO L225 Difference]: With dead ends: 166 [2019-10-22 11:25:59,548 INFO L226 Difference]: Without dead ends: 89 [2019-10-22 11:25:59,549 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 11:25:59,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2019-10-22 11:25:59,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 87. [2019-10-22 11:25:59,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 87 states. [2019-10-22 11:25:59,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 122 transitions. [2019-10-22 11:25:59,564 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 122 transitions. Word has length 25 [2019-10-22 11:25:59,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:25:59,564 INFO L462 AbstractCegarLoop]: Abstraction has 87 states and 122 transitions. [2019-10-22 11:25:59,564 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 11:25:59,565 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 122 transitions. [2019-10-22 11:25:59,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-10-22 11:25:59,565 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:25:59,565 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] [2019-10-22 11:25:59,566 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:25:59,566 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:25:59,566 INFO L82 PathProgramCache]: Analyzing trace with hash 1877204683, now seen corresponding path program 1 times [2019-10-22 11:25:59,566 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:25:59,567 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1379236633] [2019-10-22 11:25:59,568 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:25:59,568 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:25:59,568 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:25:59,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:25:59,659 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 11:25:59,659 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1379236633] [2019-10-22 11:25:59,659 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:25:59,659 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-22 11:25:59,660 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1697877138] [2019-10-22 11:25:59,660 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-22 11:25:59,660 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:25:59,660 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-22 11:25:59,661 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2019-10-22 11:25:59,661 INFO L87 Difference]: Start difference. First operand 87 states and 122 transitions. Second operand 8 states. [2019-10-22 11:25:59,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:25:59,994 INFO L93 Difference]: Finished difference Result 568 states and 818 transitions. [2019-10-22 11:25:59,995 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-10-22 11:25:59,995 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 31 [2019-10-22 11:25:59,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:25:59,997 INFO L225 Difference]: With dead ends: 568 [2019-10-22 11:25:59,998 INFO L226 Difference]: Without dead ends: 487 [2019-10-22 11:25:59,998 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=71, Invalid=169, Unknown=0, NotChecked=0, Total=240 [2019-10-22 11:25:59,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 487 states. [2019-10-22 11:26:00,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 487 to 204. [2019-10-22 11:26:00,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 204 states. [2019-10-22 11:26:00,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 283 transitions. [2019-10-22 11:26:00,021 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 283 transitions. Word has length 31 [2019-10-22 11:26:00,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:26:00,022 INFO L462 AbstractCegarLoop]: Abstraction has 204 states and 283 transitions. [2019-10-22 11:26:00,022 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-22 11:26:00,022 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 283 transitions. [2019-10-22 11:26:00,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-10-22 11:26:00,045 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:26:00,046 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:26:00,046 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:26:00,046 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:26:00,046 INFO L82 PathProgramCache]: Analyzing trace with hash 26564831, now seen corresponding path program 1 times [2019-10-22 11:26:00,046 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:26:00,046 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1471279225] [2019-10-22 11:26:00,047 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:26:00,047 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:26:00,047 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:26:00,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:26:00,122 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 11:26:00,122 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1471279225] [2019-10-22 11:26:00,122 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:26:00,122 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-22 11:26:00,122 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1998464900] [2019-10-22 11:26:00,123 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 11:26:00,123 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:26:00,123 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 11:26:00,123 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 11:26:00,123 INFO L87 Difference]: Start difference. First operand 204 states and 283 transitions. Second operand 5 states. [2019-10-22 11:26:00,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:26:00,197 INFO L93 Difference]: Finished difference Result 540 states and 739 transitions. [2019-10-22 11:26:00,197 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-22 11:26:00,197 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 52 [2019-10-22 11:26:00,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:26:00,199 INFO L225 Difference]: With dead ends: 540 [2019-10-22 11:26:00,199 INFO L226 Difference]: Without dead ends: 342 [2019-10-22 11:26:00,199 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 11:26:00,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 342 states. [2019-10-22 11:26:00,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 342 to 225. [2019-10-22 11:26:00,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 225 states. [2019-10-22 11:26:00,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 225 states and 304 transitions. [2019-10-22 11:26:00,216 INFO L78 Accepts]: Start accepts. Automaton has 225 states and 304 transitions. Word has length 52 [2019-10-22 11:26:00,216 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:26:00,217 INFO L462 AbstractCegarLoop]: Abstraction has 225 states and 304 transitions. [2019-10-22 11:26:00,217 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 11:26:00,217 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 304 transitions. [2019-10-22 11:26:00,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-10-22 11:26:00,218 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:26:00,218 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:26:00,218 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:26:00,219 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:26:00,219 INFO L82 PathProgramCache]: Analyzing trace with hash 728164705, now seen corresponding path program 1 times [2019-10-22 11:26:00,219 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:26:00,219 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2138914087] [2019-10-22 11:26:00,219 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:26:00,219 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:26:00,219 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:26:00,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:26:00,258 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 11:26:00,258 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2138914087] [2019-10-22 11:26:00,258 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:26:00,259 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 11:26:00,259 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [170404142] [2019-10-22 11:26:00,259 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 11:26:00,259 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:26:00,259 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 11:26:00,260 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-22 11:26:00,260 INFO L87 Difference]: Start difference. First operand 225 states and 304 transitions. Second operand 4 states. [2019-10-22 11:26:00,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:26:00,312 INFO L93 Difference]: Finished difference Result 476 states and 640 transitions. [2019-10-22 11:26:00,312 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-22 11:26:00,313 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 52 [2019-10-22 11:26:00,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:26:00,314 INFO L225 Difference]: With dead ends: 476 [2019-10-22 11:26:00,314 INFO L226 Difference]: Without dead ends: 257 [2019-10-22 11:26:00,314 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-10-22 11:26:00,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 257 states. [2019-10-22 11:26:00,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 257 to 191. [2019-10-22 11:26:00,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 191 states. [2019-10-22 11:26:00,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 191 states and 252 transitions. [2019-10-22 11:26:00,326 INFO L78 Accepts]: Start accepts. Automaton has 191 states and 252 transitions. Word has length 52 [2019-10-22 11:26:00,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:26:00,327 INFO L462 AbstractCegarLoop]: Abstraction has 191 states and 252 transitions. [2019-10-22 11:26:00,327 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 11:26:00,327 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 252 transitions. [2019-10-22 11:26:00,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-10-22 11:26:00,328 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:26:00,328 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] [2019-10-22 11:26:00,328 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:26:00,329 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:26:00,329 INFO L82 PathProgramCache]: Analyzing trace with hash -1967630623, now seen corresponding path program 1 times [2019-10-22 11:26:00,329 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:26:00,329 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [899178904] [2019-10-22 11:26:00,329 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:26:00,329 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:26:00,329 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:26:00,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:26:00,390 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-10-22 11:26:00,390 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [899178904] [2019-10-22 11:26:00,390 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:26:00,390 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-22 11:26:00,390 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [924850026] [2019-10-22 11:26:00,391 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-22 11:26:00,391 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:26:00,391 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-22 11:26:00,391 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-22 11:26:00,391 INFO L87 Difference]: Start difference. First operand 191 states and 252 transitions. Second operand 6 states. [2019-10-22 11:26:00,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:26:00,550 INFO L93 Difference]: Finished difference Result 871 states and 1182 transitions. [2019-10-22 11:26:00,551 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-10-22 11:26:00,551 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 53 [2019-10-22 11:26:00,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:26:00,553 INFO L225 Difference]: With dead ends: 871 [2019-10-22 11:26:00,553 INFO L226 Difference]: Without dead ends: 686 [2019-10-22 11:26:00,554 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2019-10-22 11:26:00,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 686 states. [2019-10-22 11:26:00,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 686 to 374. [2019-10-22 11:26:00,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 374 states. [2019-10-22 11:26:00,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 374 states and 490 transitions. [2019-10-22 11:26:00,579 INFO L78 Accepts]: Start accepts. Automaton has 374 states and 490 transitions. Word has length 53 [2019-10-22 11:26:00,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:26:00,580 INFO L462 AbstractCegarLoop]: Abstraction has 374 states and 490 transitions. [2019-10-22 11:26:00,580 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-22 11:26:00,580 INFO L276 IsEmpty]: Start isEmpty. Operand 374 states and 490 transitions. [2019-10-22 11:26:00,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-10-22 11:26:00,581 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:26:00,581 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, 1, 1, 1, 1] [2019-10-22 11:26:00,581 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:26:00,582 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:26:00,582 INFO L82 PathProgramCache]: Analyzing trace with hash 1827053301, now seen corresponding path program 1 times [2019-10-22 11:26:00,582 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:26:00,582 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1352850889] [2019-10-22 11:26:00,582 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:26:00,582 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:26:00,582 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:26:00,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:26:00,628 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-10-22 11:26:00,629 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1352850889] [2019-10-22 11:26:00,629 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:26:00,629 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-22 11:26:00,629 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1263689077] [2019-10-22 11:26:00,630 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 11:26:00,630 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:26:00,630 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 11:26:00,630 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 11:26:00,630 INFO L87 Difference]: Start difference. First operand 374 states and 490 transitions. Second operand 5 states. [2019-10-22 11:26:00,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:26:00,824 INFO L93 Difference]: Finished difference Result 1022 states and 1347 transitions. [2019-10-22 11:26:00,824 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-22 11:26:00,824 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 54 [2019-10-22 11:26:00,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:26:00,828 INFO L225 Difference]: With dead ends: 1022 [2019-10-22 11:26:00,828 INFO L226 Difference]: Without dead ends: 1020 [2019-10-22 11:26:00,829 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 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 11:26:00,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1020 states. [2019-10-22 11:26:00,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1020 to 374. [2019-10-22 11:26:00,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 374 states. [2019-10-22 11:26:00,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 374 states and 488 transitions. [2019-10-22 11:26:00,870 INFO L78 Accepts]: Start accepts. Automaton has 374 states and 488 transitions. Word has length 54 [2019-10-22 11:26:00,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:26:00,871 INFO L462 AbstractCegarLoop]: Abstraction has 374 states and 488 transitions. [2019-10-22 11:26:00,871 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 11:26:00,871 INFO L276 IsEmpty]: Start isEmpty. Operand 374 states and 488 transitions. [2019-10-22 11:26:00,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2019-10-22 11:26:00,872 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:26:00,872 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, 1, 1, 1] [2019-10-22 11:26:00,873 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:26:00,873 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:26:00,873 INFO L82 PathProgramCache]: Analyzing trace with hash 1078505529, now seen corresponding path program 1 times [2019-10-22 11:26:00,873 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:26:00,873 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1638522142] [2019-10-22 11:26:00,873 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:26:00,873 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:26:00,874 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:26:00,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:26:00,954 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 11:26:00,954 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1638522142] [2019-10-22 11:26:00,954 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [877603668] [2019-10-22 11:26:00,955 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_62ea6b69-f4da-4d0c-b762-79617c46f269/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 11:26:01,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:26:01,096 INFO L256 TraceCheckSpWp]: Trace formula consists of 433 conjuncts, 6 conjunts are in the unsatisfiable core [2019-10-22 11:26:01,102 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 11:26:01,124 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 11:26:01,125 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 11:26:01,152 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 11:26:01,152 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleAbstractInterpretation [1122324139] [2019-10-22 11:26:01,158 INFO L211 CegarAbsIntRunner]: Running AI on error trace of length 61 [2019-10-22 11:26:01,238 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2019-10-22 11:26:01,239 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-22 11:26:01,637 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-22 11:26:01,638 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 11:26:01,643 INFO L168 Benchmark]: Toolchain (without parser) took 4847.89 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 192.9 MB). Free memory was 940.6 MB in the beginning and 1.2 GB in the end (delta: -211.7 MB). Peak memory consumption was 217.7 MB. Max. memory is 11.5 GB. [2019-10-22 11:26:01,643 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 960.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 11:26:01,644 INFO L168 Benchmark]: CACSL2BoogieTranslator took 499.92 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.7 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -179.6 MB). Peak memory consumption was 22.4 MB. Max. memory is 11.5 GB. [2019-10-22 11:26:01,644 INFO L168 Benchmark]: Boogie Procedure Inliner took 95.79 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-10-22 11:26:01,645 INFO L168 Benchmark]: Boogie Preprocessor took 80.56 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: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 11.5 GB. [2019-10-22 11:26:01,645 INFO L168 Benchmark]: RCFGBuilder took 1086.69 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: 97.8 MB). Peak memory consumption was 97.8 MB. Max. memory is 11.5 GB. [2019-10-22 11:26:01,646 INFO L168 Benchmark]: TraceAbstraction took 3079.74 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 59.2 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -142.0 MB). Peak memory consumption was 153.7 MB. Max. memory is 11.5 GB. [2019-10-22 11:26:01,649 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 960.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 499.92 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.7 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -179.6 MB). Peak memory consumption was 22.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 95.79 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 80.56 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: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1086.69 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: 97.8 MB). Peak memory consumption was 97.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 3079.74 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 59.2 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -142.0 MB). Peak memory consumption was 153.7 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 11:26:03,859 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 11:26:03,862 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 11:26:03,873 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 11:26:03,874 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 11:26:03,875 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 11:26:03,877 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 11:26:03,878 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 11:26:03,880 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 11:26:03,883 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 11:26:03,885 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 11:26:03,886 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 11:26:03,892 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 11:26:03,893 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 11:26:03,894 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 11:26:03,895 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 11:26:03,897 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 11:26:03,899 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 11:26:03,902 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 11:26:03,904 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 11:26:03,908 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 11:26:03,910 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 11:26:03,911 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 11:26:03,913 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 11:26:03,916 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 11:26:03,917 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 11:26:03,918 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 11:26:03,918 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 11:26:03,919 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 11:26:03,919 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 11:26:03,919 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 11:26:03,920 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 11:26:03,921 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 11:26:03,921 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 11:26:03,922 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 11:26:03,922 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 11:26:03,922 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 11:26:03,923 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 11:26:03,923 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 11:26:03,924 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 11:26:03,926 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 11:26:03,926 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_62ea6b69-f4da-4d0c-b762-79617c46f269/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2019-10-22 11:26:03,950 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 11:26:03,950 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 11:26:03,951 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-22 11:26:03,951 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-22 11:26:03,951 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-22 11:26:03,951 INFO L138 SettingsManager]: * Explicit value domain=true [2019-10-22 11:26:03,951 INFO L138 SettingsManager]: * Octagon Domain=false [2019-10-22 11:26:03,951 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-10-22 11:26:03,952 INFO L138 SettingsManager]: * Interval Domain=false [2019-10-22 11:26:03,952 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 11:26:03,952 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 11:26:03,952 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 11:26:03,953 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 11:26:03,953 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 11:26:03,953 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 11:26:03,953 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 11:26:03,953 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-10-22 11:26:03,953 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-10-22 11:26:03,953 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 11:26:03,954 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 11:26:03,954 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 11:26:03,954 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 11:26:03,954 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 11:26:03,954 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 11:26:03,954 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 11:26:03,954 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 11:26:03,955 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 11:26:03,955 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 11:26:03,955 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 11:26:03,955 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 11:26:03,956 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-10-22 11:26:03,957 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-10-22 11:26:03,957 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 11:26:03,957 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-22 11:26:03,957 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_62ea6b69-f4da-4d0c-b762-79617c46f269/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 -> 62215579489c65348c20dcb35d4d11bc17ff5b74 [2019-10-22 11:26:03,983 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 11:26:03,994 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 11:26:03,998 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 11:26:04,000 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 11:26:04,001 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 11:26:04,003 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_62ea6b69-f4da-4d0c-b762-79617c46f269/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec4_product61.cil.c [2019-10-22 11:26:04,055 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_62ea6b69-f4da-4d0c-b762-79617c46f269/bin/utaipan/data/0fd035a5f/02e35f1843a44ae98c7142311fd0f637/FLAG296aa38ca [2019-10-22 11:26:04,509 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 11:26:04,512 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_62ea6b69-f4da-4d0c-b762-79617c46f269/sv-benchmarks/c/product-lines/minepump_spec4_product61.cil.c [2019-10-22 11:26:04,521 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_62ea6b69-f4da-4d0c-b762-79617c46f269/bin/utaipan/data/0fd035a5f/02e35f1843a44ae98c7142311fd0f637/FLAG296aa38ca [2019-10-22 11:26:04,846 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_62ea6b69-f4da-4d0c-b762-79617c46f269/bin/utaipan/data/0fd035a5f/02e35f1843a44ae98c7142311fd0f637 [2019-10-22 11:26:04,849 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 11:26:04,850 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 11:26:04,853 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 11:26:04,853 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 11:26:04,857 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 11:26:04,858 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:26:04" (1/1) ... [2019-10-22 11:26:04,861 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b447d38 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:04, skipping insertion in model container [2019-10-22 11:26:04,861 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:26:04" (1/1) ... [2019-10-22 11:26:04,868 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 11:26:04,908 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 11:26:05,256 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:26:05,350 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 11:26:05,437 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:26:05,467 INFO L192 MainTranslator]: Completed translation [2019-10-22 11:26:05,467 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:05 WrapperNode [2019-10-22 11:26:05,468 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 11:26:05,468 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 11:26:05,468 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 11:26:05,469 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 11:26:05,476 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:05" (1/1) ... [2019-10-22 11:26:05,494 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:05" (1/1) ... [2019-10-22 11:26:05,546 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 11:26:05,547 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 11:26:05,547 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 11:26:05,547 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 11:26:05,556 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:05" (1/1) ... [2019-10-22 11:26:05,557 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:05" (1/1) ... [2019-10-22 11:26:05,563 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:05" (1/1) ... [2019-10-22 11:26:05,563 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:05" (1/1) ... [2019-10-22 11:26:05,588 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:05" (1/1) ... [2019-10-22 11:26:05,610 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:05" (1/1) ... [2019-10-22 11:26:05,614 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:05" (1/1) ... [2019-10-22 11:26:05,620 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 11:26:05,620 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 11:26:05,620 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 11:26:05,620 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 11:26:05,621 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:05" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_62ea6b69-f4da-4d0c-b762-79617c46f269/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 11:26:05,675 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 11:26:05,676 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2019-10-22 11:26:05,676 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 11:26:05,676 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 11:26:06,829 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 11:26:06,829 INFO L284 CfgBuilder]: Removed 348 assume(true) statements. [2019-10-22 11:26:06,830 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:26:06 BoogieIcfgContainer [2019-10-22 11:26:06,830 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 11:26:06,833 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 11:26:06,833 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 11:26:06,835 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 11:26:06,836 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 11:26:04" (1/3) ... [2019-10-22 11:26:06,837 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43068b1a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:26:06, skipping insertion in model container [2019-10-22 11:26:06,837 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:05" (2/3) ... [2019-10-22 11:26:06,837 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43068b1a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:26:06, skipping insertion in model container [2019-10-22 11:26:06,837 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:26:06" (3/3) ... [2019-10-22 11:26:06,839 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product61.cil.c [2019-10-22 11:26:06,849 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 11:26:06,860 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-10-22 11:26:06,872 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-10-22 11:26:06,900 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 11:26:06,901 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-22 11:26:06,901 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 11:26:06,901 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 11:26:06,902 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 11:26:06,902 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 11:26:06,902 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 11:26:06,902 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 11:26:06,925 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states. [2019-10-22 11:26:06,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-10-22 11:26:06,934 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:26:06,935 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:26:06,937 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:26:06,941 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:26:06,941 INFO L82 PathProgramCache]: Analyzing trace with hash 1538221509, now seen corresponding path program 1 times [2019-10-22 11:26:06,950 INFO L157 tionRefinementEngine]: Executing refinement strategy WALRUS [2019-10-22 11:26:06,950 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1514436626] [2019-10-22 11:26:06,951 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_62ea6b69-f4da-4d0c-b762-79617c46f269/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 11:26:07,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:26:07,139 INFO L256 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 1 conjunts are in the unsatisfiable core [2019-10-22 11:26:07,145 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 11:26:07,163 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 11:26:07,163 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 11:26:07,169 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 11:26:07,173 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1514436626] [2019-10-22 11:26:07,173 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:26:07,174 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-10-22 11:26:07,174 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1132892004] [2019-10-22 11:26:07,179 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-22 11:26:07,179 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-10-22 11:26:07,192 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-22 11:26:07,193 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-22 11:26:07,195 INFO L87 Difference]: Start difference. First operand 225 states. Second operand 2 states. [2019-10-22 11:26:07,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:26:07,253 INFO L93 Difference]: Finished difference Result 444 states and 665 transitions. [2019-10-22 11:26:07,254 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-22 11:26:07,255 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2019-10-22 11:26:07,258 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:26:07,275 INFO L225 Difference]: With dead ends: 444 [2019-10-22 11:26:07,279 INFO L226 Difference]: Without dead ends: 221 [2019-10-22 11:26:07,283 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 11:26:07,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states. [2019-10-22 11:26:07,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 221. [2019-10-22 11:26:07,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 221 states. [2019-10-22 11:26:07,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 221 states and 324 transitions. [2019-10-22 11:26:07,349 INFO L78 Accepts]: Start accepts. Automaton has 221 states and 324 transitions. Word has length 16 [2019-10-22 11:26:07,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:26:07,350 INFO L462 AbstractCegarLoop]: Abstraction has 221 states and 324 transitions. [2019-10-22 11:26:07,350 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-22 11:26:07,350 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 324 transitions. [2019-10-22 11:26:07,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-10-22 11:26:07,351 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:26:07,356 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 11:26:07,557 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-10-22 11:26:07,557 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:26:07,558 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:26:07,558 INFO L82 PathProgramCache]: Analyzing trace with hash 1505952337, now seen corresponding path program 1 times [2019-10-22 11:26:07,559 INFO L157 tionRefinementEngine]: Executing refinement strategy WALRUS [2019-10-22 11:26:07,559 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1090674983] [2019-10-22 11:26:07,559 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_62ea6b69-f4da-4d0c-b762-79617c46f269/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 11:26:07,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:26:07,744 INFO L256 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 2 conjunts are in the unsatisfiable core [2019-10-22 11:26:07,745 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 11:26:07,775 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 11:26:07,775 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 11:26:07,783 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 11:26:07,783 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1090674983] [2019-10-22 11:26:07,784 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:26:07,784 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2019-10-22 11:26:07,784 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [239642950] [2019-10-22 11:26:07,786 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 11:26:07,786 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-10-22 11:26:07,786 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 11:26:07,786 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-22 11:26:07,787 INFO L87 Difference]: Start difference. First operand 221 states and 324 transitions. Second operand 4 states. [2019-10-22 11:26:07,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:26:07,853 INFO L93 Difference]: Finished difference Result 436 states and 642 transitions. [2019-10-22 11:26:07,853 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 11:26:07,854 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 17 [2019-10-22 11:26:07,854 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:26:07,855 INFO L225 Difference]: With dead ends: 436 [2019-10-22 11:26:07,856 INFO L226 Difference]: Without dead ends: 221 [2019-10-22 11:26:07,857 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 11:26:07,858 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states. [2019-10-22 11:26:07,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 221. [2019-10-22 11:26:07,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 221 states. [2019-10-22 11:26:07,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 221 states and 321 transitions. [2019-10-22 11:26:07,877 INFO L78 Accepts]: Start accepts. Automaton has 221 states and 321 transitions. Word has length 17 [2019-10-22 11:26:07,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:26:07,878 INFO L462 AbstractCegarLoop]: Abstraction has 221 states and 321 transitions. [2019-10-22 11:26:07,878 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 11:26:07,878 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 321 transitions. [2019-10-22 11:26:07,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-10-22 11:26:07,879 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:26:07,879 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 11:26:08,081 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-10-22 11:26:08,082 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:26:08,082 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:26:08,082 INFO L82 PathProgramCache]: Analyzing trace with hash 525891910, now seen corresponding path program 1 times [2019-10-22 11:26:08,083 INFO L157 tionRefinementEngine]: Executing refinement strategy WALRUS [2019-10-22 11:26:08,083 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [386094700] [2019-10-22 11:26:08,083 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_62ea6b69-f4da-4d0c-b762-79617c46f269/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 11:26:08,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:26:08,234 INFO L256 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 2 conjunts are in the unsatisfiable core [2019-10-22 11:26:08,235 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 11:26:08,245 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 11:26:08,245 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 11:26:08,247 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 11:26:08,248 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [386094700] [2019-10-22 11:26:08,248 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:26:08,248 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2019-10-22 11:26:08,249 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1458429050] [2019-10-22 11:26:08,249 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 11:26:08,249 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-10-22 11:26:08,250 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 11:26:08,250 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:26:08,250 INFO L87 Difference]: Start difference. First operand 221 states and 321 transitions. Second operand 3 states. [2019-10-22 11:26:08,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:26:08,422 INFO L93 Difference]: Finished difference Result 438 states and 633 transitions. [2019-10-22 11:26:08,423 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 11:26:08,423 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 20 [2019-10-22 11:26:08,424 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:26:08,425 INFO L225 Difference]: With dead ends: 438 [2019-10-22 11:26:08,425 INFO L226 Difference]: Without dead ends: 223 [2019-10-22 11:26:08,426 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 11:26:08,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 223 states. [2019-10-22 11:26:08,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 223 to 217. [2019-10-22 11:26:08,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 217 states. [2019-10-22 11:26:08,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 217 states and 300 transitions. [2019-10-22 11:26:08,444 INFO L78 Accepts]: Start accepts. Automaton has 217 states and 300 transitions. Word has length 20 [2019-10-22 11:26:08,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:26:08,445 INFO L462 AbstractCegarLoop]: Abstraction has 217 states and 300 transitions. [2019-10-22 11:26:08,445 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 11:26:08,445 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 300 transitions. [2019-10-22 11:26:08,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-10-22 11:26:08,446 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:26:08,446 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 11:26:08,647 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-10-22 11:26:08,647 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:26:08,647 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:26:08,648 INFO L82 PathProgramCache]: Analyzing trace with hash -2063636774, now seen corresponding path program 1 times [2019-10-22 11:26:08,648 INFO L157 tionRefinementEngine]: Executing refinement strategy WALRUS [2019-10-22 11:26:08,648 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [756984996] [2019-10-22 11:26:08,649 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_62ea6b69-f4da-4d0c-b762-79617c46f269/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 11:26:08,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:26:08,796 INFO L256 TraceCheckSpWp]: Trace formula consists of 189 conjuncts, 6 conjunts are in the unsatisfiable core [2019-10-22 11:26:08,798 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 11:26:08,826 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 11:26:08,826 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 11:26:08,864 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 11:26:08,864 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [756984996] [2019-10-22 11:26:08,864 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:26:08,864 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 7 [2019-10-22 11:26:08,865 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [12209591] [2019-10-22 11:26:08,865 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-22 11:26:08,865 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-10-22 11:26:08,866 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-22 11:26:08,866 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-10-22 11:26:08,866 INFO L87 Difference]: Start difference. First operand 217 states and 300 transitions. Second operand 8 states. [2019-10-22 11:26:09,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:26:09,630 INFO L93 Difference]: Finished difference Result 1566 states and 2195 transitions. [2019-10-22 11:26:09,631 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-10-22 11:26:09,631 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 26 [2019-10-22 11:26:09,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:26:09,635 INFO L225 Difference]: With dead ends: 1566 [2019-10-22 11:26:09,635 INFO L226 Difference]: Without dead ends: 1355 [2019-10-22 11:26:09,637 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=77, Invalid=163, Unknown=0, NotChecked=0, Total=240 [2019-10-22 11:26:09,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1355 states. [2019-10-22 11:26:09,683 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1355 to 508. [2019-10-22 11:26:09,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 508 states. [2019-10-22 11:26:09,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 508 states to 508 states and 687 transitions. [2019-10-22 11:26:09,684 INFO L78 Accepts]: Start accepts. Automaton has 508 states and 687 transitions. Word has length 26 [2019-10-22 11:26:09,685 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:26:09,685 INFO L462 AbstractCegarLoop]: Abstraction has 508 states and 687 transitions. [2019-10-22 11:26:09,685 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-22 11:26:09,685 INFO L276 IsEmpty]: Start isEmpty. Operand 508 states and 687 transitions. [2019-10-22 11:26:09,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-10-22 11:26:09,689 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:26:09,689 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:26:09,890 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-10-22 11:26:09,890 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:26:09,891 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:26:09,891 INFO L82 PathProgramCache]: Analyzing trace with hash 1633728013, now seen corresponding path program 1 times [2019-10-22 11:26:09,891 INFO L157 tionRefinementEngine]: Executing refinement strategy WALRUS [2019-10-22 11:26:09,891 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [229671907] [2019-10-22 11:26:09,891 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_62ea6b69-f4da-4d0c-b762-79617c46f269/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 11:26:10,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:26:10,052 INFO L256 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 5 conjunts are in the unsatisfiable core [2019-10-22 11:26:10,054 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 11:26:10,076 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 11:26:10,077 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 11:26:10,081 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 11:26:10,082 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [229671907] [2019-10-22 11:26:10,082 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:26:10,082 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2019-10-22 11:26:10,082 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2065356255] [2019-10-22 11:26:10,083 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 11:26:10,083 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-10-22 11:26:10,083 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 11:26:10,084 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 11:26:10,084 INFO L87 Difference]: Start difference. First operand 508 states and 687 transitions. Second operand 5 states. [2019-10-22 11:26:10,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:26:10,352 INFO L93 Difference]: Finished difference Result 1332 states and 1755 transitions. [2019-10-22 11:26:10,352 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-22 11:26:10,352 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 43 [2019-10-22 11:26:10,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:26:10,355 INFO L225 Difference]: With dead ends: 1332 [2019-10-22 11:26:10,355 INFO L226 Difference]: Without dead ends: 830 [2019-10-22 11:26:10,356 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 83 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 11:26:10,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 830 states. [2019-10-22 11:26:10,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 830 to 571. [2019-10-22 11:26:10,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 571 states. [2019-10-22 11:26:10,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 571 states to 571 states and 750 transitions. [2019-10-22 11:26:10,404 INFO L78 Accepts]: Start accepts. Automaton has 571 states and 750 transitions. Word has length 43 [2019-10-22 11:26:10,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:26:10,405 INFO L462 AbstractCegarLoop]: Abstraction has 571 states and 750 transitions. [2019-10-22 11:26:10,405 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 11:26:10,405 INFO L276 IsEmpty]: Start isEmpty. Operand 571 states and 750 transitions. [2019-10-22 11:26:10,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-10-22 11:26:10,407 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:26:10,407 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:26:10,612 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-10-22 11:26:10,612 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:26:10,612 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:26:10,613 INFO L82 PathProgramCache]: Analyzing trace with hash -738011249, now seen corresponding path program 1 times [2019-10-22 11:26:10,613 INFO L157 tionRefinementEngine]: Executing refinement strategy WALRUS [2019-10-22 11:26:10,613 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1476090633] [2019-10-22 11:26:10,613 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_62ea6b69-f4da-4d0c-b762-79617c46f269/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 11:26:10,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:26:10,755 INFO L256 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 5 conjunts are in the unsatisfiable core [2019-10-22 11:26:10,756 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 11:26:10,768 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 11:26:10,768 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 11:26:10,784 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 11:26:10,785 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1476090633] [2019-10-22 11:26:10,785 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:26:10,785 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2019-10-22 11:26:10,785 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [24815342] [2019-10-22 11:26:10,786 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-22 11:26:10,786 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-10-22 11:26:10,786 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-22 11:26:10,786 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-10-22 11:26:10,786 INFO L87 Difference]: Start difference. First operand 571 states and 750 transitions. Second operand 6 states. [2019-10-22 11:26:11,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:26:11,037 INFO L93 Difference]: Finished difference Result 1244 states and 1611 transitions. [2019-10-22 11:26:11,040 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-22 11:26:11,041 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 43 [2019-10-22 11:26:11,041 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:26:11,043 INFO L225 Difference]: With dead ends: 1244 [2019-10-22 11:26:11,043 INFO L226 Difference]: Without dead ends: 639 [2019-10-22 11:26:11,045 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 81 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 11:26:11,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 639 states. [2019-10-22 11:26:11,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 639 to 451. [2019-10-22 11:26:11,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 451 states. [2019-10-22 11:26:11,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 451 states and 584 transitions. [2019-10-22 11:26:11,092 INFO L78 Accepts]: Start accepts. Automaton has 451 states and 584 transitions. Word has length 43 [2019-10-22 11:26:11,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:26:11,092 INFO L462 AbstractCegarLoop]: Abstraction has 451 states and 584 transitions. [2019-10-22 11:26:11,092 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-22 11:26:11,092 INFO L276 IsEmpty]: Start isEmpty. Operand 451 states and 584 transitions. [2019-10-22 11:26:11,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2019-10-22 11:26:11,093 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:26:11,093 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] [2019-10-22 11:26:11,294 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-10-22 11:26:11,295 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:26:11,295 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:26:11,295 INFO L82 PathProgramCache]: Analyzing trace with hash -2002800966, now seen corresponding path program 1 times [2019-10-22 11:26:11,296 INFO L157 tionRefinementEngine]: Executing refinement strategy WALRUS [2019-10-22 11:26:11,296 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1691459764] [2019-10-22 11:26:11,296 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_62ea6b69-f4da-4d0c-b762-79617c46f269/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 11:26:11,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:26:11,441 INFO L256 TraceCheckSpWp]: Trace formula consists of 222 conjuncts, 2 conjunts are in the unsatisfiable core [2019-10-22 11:26:11,443 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 11:26:11,458 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 11:26:11,458 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 11:26:11,467 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 11:26:11,469 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1691459764] [2019-10-22 11:26:11,469 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:26:11,470 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2019-10-22 11:26:11,470 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [620734753] [2019-10-22 11:26:11,470 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 11:26:11,470 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-10-22 11:26:11,470 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 11:26:11,471 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:26:11,471 INFO L87 Difference]: Start difference. First operand 451 states and 584 transitions. Second operand 3 states. [2019-10-22 11:26:11,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:26:11,494 INFO L93 Difference]: Finished difference Result 451 states and 584 transitions. [2019-10-22 11:26:11,495 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 11:26:11,495 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 48 [2019-10-22 11:26:11,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:26:11,497 INFO L225 Difference]: With dead ends: 451 [2019-10-22 11:26:11,497 INFO L226 Difference]: Without dead ends: 191 [2019-10-22 11:26:11,498 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 93 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 11:26:11,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191 states. [2019-10-22 11:26:11,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191 to 191. [2019-10-22 11:26:11,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 191 states. [2019-10-22 11:26:11,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 191 states and 252 transitions. [2019-10-22 11:26:11,516 INFO L78 Accepts]: Start accepts. Automaton has 191 states and 252 transitions. Word has length 48 [2019-10-22 11:26:11,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:26:11,517 INFO L462 AbstractCegarLoop]: Abstraction has 191 states and 252 transitions. [2019-10-22 11:26:11,517 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 11:26:11,517 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 252 transitions. [2019-10-22 11:26:11,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-10-22 11:26:11,519 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:26:11,519 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] [2019-10-22 11:26:11,720 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-10-22 11:26:11,720 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:26:11,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:26:11,720 INFO L82 PathProgramCache]: Analyzing trace with hash -1967630623, now seen corresponding path program 1 times [2019-10-22 11:26:11,721 INFO L157 tionRefinementEngine]: Executing refinement strategy WALRUS [2019-10-22 11:26:11,721 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [973239418] [2019-10-22 11:26:11,721 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_62ea6b69-f4da-4d0c-b762-79617c46f269/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 11:26:11,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:26:11,894 INFO L256 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 7 conjunts are in the unsatisfiable core [2019-10-22 11:26:11,896 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 11:26:11,924 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-10-22 11:26:11,925 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 11:26:11,933 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-10-22 11:26:11,933 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [973239418] [2019-10-22 11:26:11,933 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:26:11,934 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2019-10-22 11:26:11,934 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [642131979] [2019-10-22 11:26:11,934 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-22 11:26:11,934 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-10-22 11:26:11,935 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-22 11:26:11,935 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-22 11:26:11,935 INFO L87 Difference]: Start difference. First operand 191 states and 252 transitions. Second operand 6 states. [2019-10-22 11:26:12,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:26:12,181 INFO L93 Difference]: Finished difference Result 871 states and 1182 transitions. [2019-10-22 11:26:12,182 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-10-22 11:26:12,182 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 53 [2019-10-22 11:26:12,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:26:12,184 INFO L225 Difference]: With dead ends: 871 [2019-10-22 11:26:12,184 INFO L226 Difference]: Without dead ends: 686 [2019-10-22 11:26:12,185 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2019-10-22 11:26:12,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 686 states. [2019-10-22 11:26:12,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 686 to 374. [2019-10-22 11:26:12,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 374 states. [2019-10-22 11:26:12,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 374 states and 490 transitions. [2019-10-22 11:26:12,224 INFO L78 Accepts]: Start accepts. Automaton has 374 states and 490 transitions. Word has length 53 [2019-10-22 11:26:12,224 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:26:12,224 INFO L462 AbstractCegarLoop]: Abstraction has 374 states and 490 transitions. [2019-10-22 11:26:12,224 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-22 11:26:12,224 INFO L276 IsEmpty]: Start isEmpty. Operand 374 states and 490 transitions. [2019-10-22 11:26:12,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-10-22 11:26:12,225 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:26:12,225 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, 1, 1, 1, 1] [2019-10-22 11:26:12,425 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-10-22 11:26:12,426 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:26:12,426 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:26:12,426 INFO L82 PathProgramCache]: Analyzing trace with hash 1827053301, now seen corresponding path program 1 times [2019-10-22 11:26:12,427 INFO L157 tionRefinementEngine]: Executing refinement strategy WALRUS [2019-10-22 11:26:12,427 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1134510364] [2019-10-22 11:26:12,427 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_62ea6b69-f4da-4d0c-b762-79617c46f269/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 11:26:12,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:26:12,582 INFO L256 TraceCheckSpWp]: Trace formula consists of 229 conjuncts, 5 conjunts are in the unsatisfiable core [2019-10-22 11:26:12,584 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 11:26:12,601 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-10-22 11:26:12,601 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 11:26:12,605 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-10-22 11:26:12,605 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1134510364] [2019-10-22 11:26:12,605 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:26:12,605 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2019-10-22 11:26:12,605 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1287151410] [2019-10-22 11:26:12,606 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 11:26:12,606 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-10-22 11:26:12,606 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 11:26:12,606 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 11:26:12,606 INFO L87 Difference]: Start difference. First operand 374 states and 490 transitions. Second operand 5 states. [2019-10-22 11:26:12,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:26:12,858 INFO L93 Difference]: Finished difference Result 1022 states and 1347 transitions. [2019-10-22 11:26:12,858 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-22 11:26:12,859 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 54 [2019-10-22 11:26:12,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:26:12,862 INFO L225 Difference]: With dead ends: 1022 [2019-10-22 11:26:12,862 INFO L226 Difference]: Without dead ends: 1020 [2019-10-22 11:26:12,862 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 106 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 11:26:12,864 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1020 states. [2019-10-22 11:26:12,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1020 to 374. [2019-10-22 11:26:12,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 374 states. [2019-10-22 11:26:12,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 374 states and 488 transitions. [2019-10-22 11:26:12,895 INFO L78 Accepts]: Start accepts. Automaton has 374 states and 488 transitions. Word has length 54 [2019-10-22 11:26:12,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:26:12,895 INFO L462 AbstractCegarLoop]: Abstraction has 374 states and 488 transitions. [2019-10-22 11:26:12,895 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 11:26:12,895 INFO L276 IsEmpty]: Start isEmpty. Operand 374 states and 488 transitions. [2019-10-22 11:26:12,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2019-10-22 11:26:12,897 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:26:12,897 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, 1, 1, 1] [2019-10-22 11:26:13,097 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-10-22 11:26:13,098 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:26:13,098 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:26:13,098 INFO L82 PathProgramCache]: Analyzing trace with hash 1078505529, now seen corresponding path program 1 times [2019-10-22 11:26:13,098 INFO L157 tionRefinementEngine]: Executing refinement strategy WALRUS [2019-10-22 11:26:13,098 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [755775857] [2019-10-22 11:26:13,098 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_62ea6b69-f4da-4d0c-b762-79617c46f269/bin/utaipan/cvc4 Starting monitored process 11 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-10-22 11:26:13,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:26:13,247 INFO L256 TraceCheckSpWp]: Trace formula consists of 237 conjuncts, 9 conjunts are in the unsatisfiable core [2019-10-22 11:26:13,248 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 11:26:13,290 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 11:26:13,290 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 11:26:13,344 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 11:26:13,344 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [755775857] [2019-10-22 11:26:13,344 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [553013503] [2019-10-22 11:26:13,344 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_62ea6b69-f4da-4d0c-b762-79617c46f269/bin/utaipan/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-22 11:26:13,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:26:13,483 INFO L256 TraceCheckSpWp]: Trace formula consists of 237 conjuncts, 7 conjunts are in the unsatisfiable core [2019-10-22 11:26:13,484 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 11:26:13,513 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 11:26:13,513 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 11:26:13,525 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 11:26:13,525 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 4 imperfect interpolant sequences. [2019-10-22 11:26:13,525 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5, 5] total 9 [2019-10-22 11:26:13,526 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1346063304] [2019-10-22 11:26:13,526 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-10-22 11:26:13,526 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-10-22 11:26:13,526 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-10-22 11:26:13,527 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2019-10-22 11:26:13,527 INFO L87 Difference]: Start difference. First operand 374 states and 488 transitions. Second operand 10 states. [2019-10-22 11:26:14,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:26:14,656 INFO L93 Difference]: Finished difference Result 2575 states and 3401 transitions. [2019-10-22 11:26:14,656 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2019-10-22 11:26:14,656 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 60 [2019-10-22 11:26:14,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:26:14,666 INFO L225 Difference]: With dead ends: 2575 [2019-10-22 11:26:14,666 INFO L226 Difference]: Without dead ends: 2257 [2019-10-22 11:26:14,668 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 254 GetRequests, 227 SyntacticMatches, 1 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 172 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=198, Invalid=558, Unknown=0, NotChecked=0, Total=756 [2019-10-22 11:26:14,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2257 states. [2019-10-22 11:26:14,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2257 to 664. [2019-10-22 11:26:14,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 664 states. [2019-10-22 11:26:14,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 664 states to 664 states and 880 transitions. [2019-10-22 11:26:14,808 INFO L78 Accepts]: Start accepts. Automaton has 664 states and 880 transitions. Word has length 60 [2019-10-22 11:26:14,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:26:14,810 INFO L462 AbstractCegarLoop]: Abstraction has 664 states and 880 transitions. [2019-10-22 11:26:14,810 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-10-22 11:26:14,810 INFO L276 IsEmpty]: Start isEmpty. Operand 664 states and 880 transitions. [2019-10-22 11:26:14,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2019-10-22 11:26:14,811 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:26:14,812 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, 1, 1, 1] [2019-10-22 11:26:15,212 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,11 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-10-22 11:26:15,213 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:26:15,213 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:26:15,213 INFO L82 PathProgramCache]: Analyzing trace with hash 791216067, now seen corresponding path program 2 times [2019-10-22 11:26:15,213 INFO L157 tionRefinementEngine]: Executing refinement strategy WALRUS [2019-10-22 11:26:15,213 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [195693602] [2019-10-22 11:26:15,213 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_62ea6b69-f4da-4d0c-b762-79617c46f269/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 11:26:17,131 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2019-10-22 11:26:17,131 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-10-22 11:26:17,181 INFO L256 TraceCheckSpWp]: Trace formula consists of 271 conjuncts, 9 conjunts are in the unsatisfiable core [2019-10-22 11:26:17,184 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 11:26:17,225 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-22 11:26:17,260 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 11:26:17,260 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 11:26:17,303 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 11:26:17,304 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [195693602] [2019-10-22 11:26:17,304 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:26:17,304 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 9 [2019-10-22 11:26:17,304 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1856545455] [2019-10-22 11:26:17,304 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-22 11:26:17,305 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-10-22 11:26:17,305 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-22 11:26:17,305 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2019-10-22 11:26:17,305 INFO L87 Difference]: Start difference. First operand 664 states and 880 transitions. Second operand 9 states. [2019-10-22 11:26:18,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:26:18,679 INFO L93 Difference]: Finished difference Result 2978 states and 3937 transitions. [2019-10-22 11:26:18,679 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2019-10-22 11:26:18,679 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 85 [2019-10-22 11:26:18,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:26:18,686 INFO L225 Difference]: With dead ends: 2978 [2019-10-22 11:26:18,686 INFO L226 Difference]: Without dead ends: 2208 [2019-10-22 11:26:18,688 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 187 GetRequests, 167 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=148, Invalid=314, Unknown=0, NotChecked=0, Total=462 [2019-10-22 11:26:18,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2208 states. [2019-10-22 11:26:18,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2208 to 804. [2019-10-22 11:26:18,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 804 states. [2019-10-22 11:26:18,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 804 states to 804 states and 1045 transitions. [2019-10-22 11:26:18,804 INFO L78 Accepts]: Start accepts. Automaton has 804 states and 1045 transitions. Word has length 85 [2019-10-22 11:26:18,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:26:18,804 INFO L462 AbstractCegarLoop]: Abstraction has 804 states and 1045 transitions. [2019-10-22 11:26:18,804 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-22 11:26:18,804 INFO L276 IsEmpty]: Start isEmpty. Operand 804 states and 1045 transitions. [2019-10-22 11:26:18,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2019-10-22 11:26:18,807 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:26:18,807 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, 1, 1, 1] [2019-10-22 11:26:19,007 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-10-22 11:26:19,008 INFO L410 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:26:19,008 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:26:19,008 INFO L82 PathProgramCache]: Analyzing trace with hash 396849281, now seen corresponding path program 1 times [2019-10-22 11:26:19,008 INFO L157 tionRefinementEngine]: Executing refinement strategy WALRUS [2019-10-22 11:26:19,009 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [2026712045] [2019-10-22 11:26:19,009 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_62ea6b69-f4da-4d0c-b762-79617c46f269/bin/utaipan/cvc4 Starting monitored process 14 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-10-22 11:26:19,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:26:19,194 INFO L256 TraceCheckSpWp]: Trace formula consists of 271 conjuncts, 6 conjunts are in the unsatisfiable core [2019-10-22 11:26:19,196 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 11:26:19,214 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 11:26:19,214 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 11:26:19,240 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 11:26:19,241 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [2026712045] [2019-10-22 11:26:19,241 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:26:19,241 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2019-10-22 11:26:19,241 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1411153172] [2019-10-22 11:26:19,241 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-22 11:26:19,241 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-10-22 11:26:19,242 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-22 11:26:19,242 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-10-22 11:26:19,242 INFO L87 Difference]: Start difference. First operand 804 states and 1045 transitions. Second operand 8 states. [2019-10-22 11:26:19,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:26:19,347 INFO L93 Difference]: Finished difference Result 1206 states and 1545 transitions. [2019-10-22 11:26:19,347 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-22 11:26:19,347 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 85 [2019-10-22 11:26:19,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:26:19,348 INFO L225 Difference]: With dead ends: 1206 [2019-10-22 11:26:19,348 INFO L226 Difference]: Without dead ends: 0 [2019-10-22 11:26:19,349 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 172 GetRequests, 164 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2019-10-22 11:26:19,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-22 11:26:19,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-22 11:26:19,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-22 11:26:19,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-22 11:26:19,350 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 85 [2019-10-22 11:26:19,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:26:19,350 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 11:26:19,350 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-22 11:26:19,350 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-22 11:26:19,350 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-22 11:26:19,552 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-10-22 11:26:19,556 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-22 11:26:19,721 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 46 [2019-10-22 11:26:19,865 WARN L191 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 84 [2019-10-22 11:26:20,016 WARN L191 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 110 [2019-10-22 11:26:20,542 WARN L191 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 153 [2019-10-22 11:26:20,944 WARN L191 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 157 [2019-10-22 11:26:21,184 WARN L191 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 151 [2019-10-22 11:26:21,378 WARN L191 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 154 [2019-10-22 11:26:21,582 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 32 [2019-10-22 11:26:21,788 WARN L191 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 25 [2019-10-22 11:26:22,327 WARN L191 SmtUtils]: Spent 537.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 30 [2019-10-22 11:26:22,474 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 16 [2019-10-22 11:26:22,801 WARN L191 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 31 [2019-10-22 11:26:23,098 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 25 [2019-10-22 11:26:23,303 WARN L191 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 23 [2019-10-22 11:26:23,429 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 16 [2019-10-22 11:26:23,980 WARN L191 SmtUtils]: Spent 550.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 29 [2019-10-22 11:26:24,707 WARN L191 SmtUtils]: Spent 672.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 33 [2019-10-22 11:26:25,293 WARN L191 SmtUtils]: Spent 494.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 29 [2019-10-22 11:26:25,970 WARN L191 SmtUtils]: Spent 652.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 37 [2019-10-22 11:26:26,220 WARN L191 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 33 [2019-10-22 11:26:26,244 INFO L439 ceAbstractionStarter]: At program point L961(lines 957 963) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-10-22 11:26:26,244 INFO L439 ceAbstractionStarter]: At program point L105(lines 104 123) the Hoare annotation is: (let ((.cse3 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)))) (let ((.cse1 (and (= (_ bv0 32) ~pumpRunning~0) .cse3)) (.cse0 (bvslt ULTIMATE.start_test_~splverifierCounter~0 (_ bv4 32))) (.cse2 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)))) (or (and (and .cse0 .cse1) (= (bvadd ~waterLevel~0 (_ bv4294967294 32)) (_ bv0 32))) (and (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~7 (_ bv0 32))) .cse2 (and .cse0 .cse3)) (and .cse1 .cse0 .cse2)))) [2019-10-22 11:26:26,244 INFO L443 ceAbstractionStarter]: For program point L105-1(lines 105 111) no Hoare annotation was computed. [2019-10-22 11:26:26,244 INFO L439 ceAbstractionStarter]: At program point L105-2(lines 104 123) 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 11:26:26,244 INFO L439 ceAbstractionStarter]: At program point L105-3(lines 104 123) the Hoare annotation is: (and (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) (= (bvadd ULTIMATE.start_isHighWaterLevel_~tmp~4 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~7 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv1 32) |ULTIMATE.start_getWaterLevel_#res|)) [2019-10-22 11:26:26,244 INFO L443 ceAbstractionStarter]: For program point L437(lines 437 441) no Hoare annotation was computed. [2019-10-22 11:26:26,244 INFO L443 ceAbstractionStarter]: For program point L371(lines 371 377) no Hoare annotation was computed. [2019-10-22 11:26:26,244 INFO L439 ceAbstractionStarter]: At program point L371-1(lines 371 377) the Hoare annotation is: (let ((.cse3 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)))) (let ((.cse1 (and (= (_ bv0 32) ~pumpRunning~0) .cse3)) (.cse2 (= (bvadd ~waterLevel~0 (_ bv4294967294 32)) (_ bv0 32))) (.cse0 (bvslt ULTIMATE.start_test_~splverifierCounter~0 (_ bv4 32)))) (or (and (and .cse0 .cse1) .cse2) (and .cse1 .cse0 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) (and .cse2 (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~7 (_ bv0 32))) (and .cse0 .cse3))))) [2019-10-22 11:26:26,245 INFO L439 ceAbstractionStarter]: At program point L505(lines 500 508) the Hoare annotation is: (and (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (bvslt ULTIMATE.start_test_~splverifierCounter~0 (_ bv4 32)) (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32)) (= ULTIMATE.start_processEnvironment_~tmp~2 (_ bv0 32)) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~7 (_ bv0 32))) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-10-22 11:26:26,245 INFO L439 ceAbstractionStarter]: At program point L505-1(lines 500 508) the Hoare annotation is: false [2019-10-22 11:26:26,245 INFO L439 ceAbstractionStarter]: At program point L505-2(lines 500 508) the Hoare annotation is: false [2019-10-22 11:26:26,245 INFO L439 ceAbstractionStarter]: At program point L505-3(lines 500 508) the Hoare annotation is: false [2019-10-22 11:26:26,245 INFO L439 ceAbstractionStarter]: At program point L505-4(lines 500 508) the Hoare annotation is: false [2019-10-22 11:26:26,245 INFO L439 ceAbstractionStarter]: At program point L505-5(lines 500 508) the Hoare annotation is: false [2019-10-22 11:26:26,245 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-10-22 11:26:26,245 INFO L443 ceAbstractionStarter]: For program point L308(lines 308 312) no Hoare annotation was computed. [2019-10-22 11:26:26,245 INFO L443 ceAbstractionStarter]: For program point L308-2(lines 308 312) no Hoare annotation was computed. [2019-10-22 11:26:26,245 INFO L443 ceAbstractionStarter]: For program point L308-3(lines 308 312) no Hoare annotation was computed. [2019-10-22 11:26:26,245 INFO L443 ceAbstractionStarter]: For program point L308-5(lines 308 312) no Hoare annotation was computed. [2019-10-22 11:26:26,245 INFO L443 ceAbstractionStarter]: For program point L308-6(lines 308 312) no Hoare annotation was computed. [2019-10-22 11:26:26,245 INFO L443 ceAbstractionStarter]: For program point L308-8(lines 308 312) no Hoare annotation was computed. [2019-10-22 11:26:26,246 INFO L443 ceAbstractionStarter]: For program point L44(line 44) no Hoare annotation was computed. [2019-10-22 11:26:26,246 INFO L443 ceAbstractionStarter]: For program point L308-9(lines 308 312) no Hoare annotation was computed. [2019-10-22 11:26:26,246 INFO L443 ceAbstractionStarter]: For program point L44-1(line 44) no Hoare annotation was computed. [2019-10-22 11:26:26,246 INFO L443 ceAbstractionStarter]: For program point L44-2(line 44) no Hoare annotation was computed. [2019-10-22 11:26:26,246 INFO L443 ceAbstractionStarter]: For program point L308-11(lines 308 312) no Hoare annotation was computed. [2019-10-22 11:26:26,246 INFO L443 ceAbstractionStarter]: For program point L308-12(lines 308 312) no Hoare annotation was computed. [2019-10-22 11:26:26,246 INFO L443 ceAbstractionStarter]: For program point L308-14(lines 308 312) no Hoare annotation was computed. [2019-10-22 11:26:26,246 INFO L443 ceAbstractionStarter]: For program point L308-15(lines 308 312) no Hoare annotation was computed. [2019-10-22 11:26:26,246 INFO L443 ceAbstractionStarter]: For program point L308-17(lines 308 312) no Hoare annotation was computed. [2019-10-22 11:26:26,246 INFO L443 ceAbstractionStarter]: For program point L308-18(lines 308 312) no Hoare annotation was computed. [2019-10-22 11:26:26,246 INFO L443 ceAbstractionStarter]: For program point L308-20(lines 308 312) no Hoare annotation was computed. [2019-10-22 11:26:26,246 INFO L443 ceAbstractionStarter]: For program point L308-21(lines 308 312) no Hoare annotation was computed. [2019-10-22 11:26:26,247 INFO L443 ceAbstractionStarter]: For program point L308-23(lines 308 312) no Hoare annotation was computed. [2019-10-22 11:26:26,247 INFO L443 ceAbstractionStarter]: For program point L308-24(lines 308 312) no Hoare annotation was computed. [2019-10-22 11:26:26,247 INFO L443 ceAbstractionStarter]: For program point L308-26(lines 308 312) no Hoare annotation was computed. [2019-10-22 11:26:26,247 INFO L443 ceAbstractionStarter]: For program point L308-27(lines 308 312) no Hoare annotation was computed. [2019-10-22 11:26:26,247 INFO L443 ceAbstractionStarter]: For program point L308-29(lines 308 312) no Hoare annotation was computed. [2019-10-22 11:26:26,247 INFO L443 ceAbstractionStarter]: For program point L308-30(lines 308 312) no Hoare annotation was computed. [2019-10-22 11:26:26,247 INFO L443 ceAbstractionStarter]: For program point L308-32(lines 308 312) no Hoare annotation was computed. [2019-10-22 11:26:26,248 INFO L443 ceAbstractionStarter]: For program point L308-33(lines 308 312) no Hoare annotation was computed. [2019-10-22 11:26:26,248 INFO L443 ceAbstractionStarter]: For program point L308-35(lines 308 312) no Hoare annotation was computed. [2019-10-22 11:26:26,248 INFO L439 ceAbstractionStarter]: At program point L112(lines 112 118) the Hoare annotation is: (let ((.cse2 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (bvslt ULTIMATE.start_test_~splverifierCounter~0 (_ bv4 32))) (.cse1 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse3 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)))) (or (and (= (bvadd ~waterLevel~0 (_ bv4294967294 32)) (_ bv0 32)) (and .cse0 .cse1)) (and (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) (= (bvadd ULTIMATE.start_isHighWaterLevel_~tmp~4 (_ bv4294967295 32)) (_ bv0 32)) .cse2 .cse0 .cse1 .cse3) (and .cse2 (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) .cse0 (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~7 (_ bv0 32))) .cse1 .cse3))) [2019-10-22 11:26:26,248 INFO L439 ceAbstractionStarter]: At program point L112-1(lines 112 118) the Hoare annotation is: (and (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) (= (bvadd ULTIMATE.start_isHighWaterLevel_~tmp~4 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-10-22 11:26:26,248 INFO L439 ceAbstractionStarter]: At program point L112-2(lines 112 118) the Hoare annotation is: (and (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) (= (bvadd ULTIMATE.start_isHighWaterLevel_~tmp~4 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~7 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv1 32) |ULTIMATE.start_getWaterLevel_#res|)) [2019-10-22 11:26:26,248 INFO L439 ceAbstractionStarter]: At program point L314(lines 299 317) the Hoare annotation is: false [2019-10-22 11:26:26,248 INFO L439 ceAbstractionStarter]: At program point L314-1(lines 299 317) the Hoare annotation is: (and (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) (= (bvadd ULTIMATE.start_isHighWaterLevel_~tmp~4 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (bvslt ULTIMATE.start_test_~splverifierCounter~0 (_ bv4 32)) (= ULTIMATE.start_processEnvironment_~tmp~2 (_ bv0 32)) (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv0 32)) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~7 (_ bv0 32))) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)) (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 (_ bv0 32)) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-10-22 11:26:26,249 INFO L439 ceAbstractionStarter]: At program point L314-2(lines 299 317) the Hoare annotation is: false [2019-10-22 11:26:26,249 INFO L439 ceAbstractionStarter]: At program point L314-3(lines 299 317) the Hoare annotation is: (let ((.cse0 (= (_ bv0 32) ~pumpRunning~0)) (.cse1 (bvslt ULTIMATE.start_test_~splverifierCounter~0 (_ bv4 32))) (.cse2 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)))) (or (and (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) (= (bvadd ULTIMATE.start_isHighWaterLevel_~tmp~4 (_ bv4294967295 32)) (_ bv0 32)) .cse0 .cse1 (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv0 32)) .cse2 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 (_ bv0 32)) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) (and (= (bvadd ~waterLevel~0 (_ bv4294967294 32)) (_ bv0 32)) (and .cse0 .cse1 .cse2)))) [2019-10-22 11:26:26,249 INFO L439 ceAbstractionStarter]: At program point L314-4(lines 299 317) the Hoare annotation is: false [2019-10-22 11:26:26,249 INFO L439 ceAbstractionStarter]: At program point L314-5(lines 299 317) the Hoare annotation is: false [2019-10-22 11:26:26,249 INFO L439 ceAbstractionStarter]: At program point L314-6(lines 299 317) the Hoare annotation is: false [2019-10-22 11:26:26,249 INFO L439 ceAbstractionStarter]: At program point L314-7(lines 299 317) the Hoare annotation is: (and (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) (= (bvadd ULTIMATE.start_isHighWaterLevel_~tmp~4 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)) (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 (_ bv0 32)) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-10-22 11:26:26,249 INFO L439 ceAbstractionStarter]: At program point L314-8(lines 299 317) the Hoare annotation is: false [2019-10-22 11:26:26,249 INFO L439 ceAbstractionStarter]: At program point L314-9(lines 299 317) the Hoare annotation is: false [2019-10-22 11:26:26,249 INFO L439 ceAbstractionStarter]: At program point L314-10(lines 299 317) the Hoare annotation is: false [2019-10-22 11:26:26,250 INFO L439 ceAbstractionStarter]: At program point L314-11(lines 299 317) the Hoare annotation is: (and (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) (= (bvadd ULTIMATE.start_isHighWaterLevel_~tmp~4 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 (_ bv0 32)) (= (bvadd ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~7 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv1 32) |ULTIMATE.start_getWaterLevel_#res|)) [2019-10-22 11:26:26,250 INFO L443 ceAbstractionStarter]: For program point L381(lines 381 392) no Hoare annotation was computed. [2019-10-22 11:26:26,250 INFO L439 ceAbstractionStarter]: At program point L250(lines 243 253) the Hoare annotation is: (and (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (bvslt ULTIMATE.start_test_~splverifierCounter~0 (_ bv4 32)) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~7 (_ bv0 32))) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-10-22 11:26:26,250 INFO L439 ceAbstractionStarter]: At program point L250-1(lines 243 253) the Hoare annotation is: false [2019-10-22 11:26:26,250 INFO L439 ceAbstractionStarter]: At program point L250-2(lines 243 253) the Hoare annotation is: false [2019-10-22 11:26:26,250 INFO L439 ceAbstractionStarter]: At program point L250-3(lines 243 253) the Hoare annotation is: false [2019-10-22 11:26:26,250 INFO L439 ceAbstractionStarter]: At program point L250-4(lines 243 253) the Hoare annotation is: (and (= (bvadd ~waterLevel~0 (_ bv4294967294 32)) (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (bvslt ULTIMATE.start_test_~splverifierCounter~0 (_ bv4 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-10-22 11:26:26,250 INFO L439 ceAbstractionStarter]: At program point L250-5(lines 243 253) the Hoare annotation is: false [2019-10-22 11:26:26,250 INFO L439 ceAbstractionStarter]: At program point L250-6(lines 243 253) the Hoare annotation is: false [2019-10-22 11:26:26,250 INFO L439 ceAbstractionStarter]: At program point L250-7(lines 243 253) the Hoare annotation is: false [2019-10-22 11:26:26,250 INFO L439 ceAbstractionStarter]: At program point L250-8(lines 243 253) the Hoare annotation is: false [2019-10-22 11:26:26,251 INFO L439 ceAbstractionStarter]: At program point L250-9(lines 243 253) the Hoare annotation is: false [2019-10-22 11:26:26,251 INFO L439 ceAbstractionStarter]: At program point L250-10(lines 243 253) the Hoare annotation is: false [2019-10-22 11:26:26,251 INFO L439 ceAbstractionStarter]: At program point L250-11(lines 243 253) the Hoare annotation is: false [2019-10-22 11:26:26,251 INFO L439 ceAbstractionStarter]: At program point L250-12(lines 243 253) the Hoare annotation is: false [2019-10-22 11:26:26,251 INFO L439 ceAbstractionStarter]: At program point L250-13(lines 243 253) the Hoare annotation is: false [2019-10-22 11:26:26,251 INFO L439 ceAbstractionStarter]: At program point L250-14(lines 243 253) the Hoare annotation is: false [2019-10-22 11:26:26,252 INFO L439 ceAbstractionStarter]: At program point L450(lines 445 453) the Hoare annotation is: (and (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (bvslt ULTIMATE.start_test_~splverifierCounter~0 (_ bv4 32)) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~7 (_ bv0 32))) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-10-22 11:26:26,252 INFO L439 ceAbstractionStarter]: At program point L450-1(lines 445 453) the Hoare annotation is: false [2019-10-22 11:26:26,252 INFO L439 ceAbstractionStarter]: At program point L450-2(lines 445 453) the Hoare annotation is: false [2019-10-22 11:26:26,252 INFO L439 ceAbstractionStarter]: At program point L450-3(lines 445 453) the Hoare annotation is: false [2019-10-22 11:26:26,252 INFO L439 ceAbstractionStarter]: At program point L450-4(lines 445 453) the Hoare annotation is: (and (= (bvadd ~waterLevel~0 (_ bv4294967294 32)) (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (bvslt ULTIMATE.start_test_~splverifierCounter~0 (_ bv4 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-10-22 11:26:26,252 INFO L439 ceAbstractionStarter]: At program point L450-5(lines 445 453) the Hoare annotation is: false [2019-10-22 11:26:26,252 INFO L439 ceAbstractionStarter]: At program point L450-6(lines 445 453) the Hoare annotation is: false [2019-10-22 11:26:26,253 INFO L439 ceAbstractionStarter]: At program point L450-7(lines 445 453) the Hoare annotation is: false [2019-10-22 11:26:26,253 INFO L439 ceAbstractionStarter]: At program point L450-8(lines 445 453) the Hoare annotation is: false [2019-10-22 11:26:26,253 INFO L439 ceAbstractionStarter]: At program point L450-9(lines 445 453) the Hoare annotation is: false [2019-10-22 11:26:26,253 INFO L439 ceAbstractionStarter]: At program point L450-10(lines 445 453) the Hoare annotation is: false [2019-10-22 11:26:26,253 INFO L439 ceAbstractionStarter]: At program point L450-11(lines 445 453) the Hoare annotation is: false [2019-10-22 11:26:26,253 INFO L439 ceAbstractionStarter]: At program point L450-12(lines 445 453) the Hoare annotation is: false [2019-10-22 11:26:26,253 INFO L439 ceAbstractionStarter]: At program point L450-13(lines 445 453) the Hoare annotation is: false [2019-10-22 11:26:26,253 INFO L439 ceAbstractionStarter]: At program point L450-14(lines 445 453) the Hoare annotation is: false [2019-10-22 11:26:26,253 INFO L439 ceAbstractionStarter]: At program point L913-2(lines 913 927) the Hoare annotation is: (and (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) (= (bvadd ULTIMATE.start_isHighWaterLevel_~tmp~4 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~7 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv1 32) |ULTIMATE.start_getWaterLevel_#res|)) [2019-10-22 11:26:26,253 INFO L443 ceAbstractionStarter]: For program point L914(line 914) no Hoare annotation was computed. [2019-10-22 11:26:26,253 INFO L443 ceAbstractionStarter]: For program point L518(lines 518 531) no Hoare annotation was computed. [2019-10-22 11:26:26,254 INFO L439 ceAbstractionStarter]: At program point L518-1(lines 1 996) the Hoare annotation is: (let ((.cse1 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)))) (let ((.cse2 (and (= (_ bv0 32) ~pumpRunning~0) .cse1)) (.cse0 (bvslt ULTIMATE.start_test_~splverifierCounter~0 (_ bv4 32))) (.cse3 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)))) (or (and (= (bvadd ~waterLevel~0 (_ bv4294967294 32)) (_ bv0 32)) (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) .cse0 (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~7 (_ bv0 32))) .cse1) (and .cse2 .cse0 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse3) (and .cse2 .cse0 .cse3 (= (bvadd ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~7 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv1 32) |ULTIMATE.start_getWaterLevel_#res|))))) [2019-10-22 11:26:26,254 INFO L443 ceAbstractionStarter]: For program point L518-2(lines 518 531) no Hoare annotation was computed. [2019-10-22 11:26:26,254 INFO L439 ceAbstractionStarter]: At program point L518-3(lines 1 996) the Hoare annotation is: (and (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) (= (bvadd ULTIMATE.start_isHighWaterLevel_~tmp~4 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~7 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv1 32) |ULTIMATE.start_getWaterLevel_#res|)) [2019-10-22 11:26:26,254 INFO L443 ceAbstractionStarter]: For program point L518-4(lines 518 531) no Hoare annotation was computed. [2019-10-22 11:26:26,254 INFO L439 ceAbstractionStarter]: At program point L518-5(lines 1 996) the Hoare annotation is: (and (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) (= (bvadd ULTIMATE.start_isHighWaterLevel_~tmp~4 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~7 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv1 32) |ULTIMATE.start_getWaterLevel_#res|)) [2019-10-22 11:26:26,254 INFO L443 ceAbstractionStarter]: For program point L387(lines 387 391) no Hoare annotation was computed. [2019-10-22 11:26:26,254 INFO L443 ceAbstractionStarter]: For program point L387-2(lines 105 111) no Hoare annotation was computed. [2019-10-22 11:26:26,254 INFO L443 ceAbstractionStarter]: For program point L189(lines 189 206) no Hoare annotation was computed. [2019-10-22 11:26:26,254 INFO L443 ceAbstractionStarter]: For program point L189-1(lines 189 206) no Hoare annotation was computed. [2019-10-22 11:26:26,254 INFO L443 ceAbstractionStarter]: For program point L189-2(lines 189 206) no Hoare annotation was computed. [2019-10-22 11:26:26,255 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-22 11:26:26,255 INFO L443 ceAbstractionStarter]: For program point L917(lines 917 921) no Hoare annotation was computed. [2019-10-22 11:26:26,255 INFO L443 ceAbstractionStarter]: For program point L917-1(lines 105 111) no Hoare annotation was computed. [2019-10-22 11:26:26,255 INFO L443 ceAbstractionStarter]: For program point L984(lines 984 991) no Hoare annotation was computed. [2019-10-22 11:26:26,255 INFO L446 ceAbstractionStarter]: At program point L984-1(lines 984 991) the Hoare annotation is: true [2019-10-22 11:26:26,255 INFO L443 ceAbstractionStarter]: For program point L522(lines 522 528) no Hoare annotation was computed. [2019-10-22 11:26:26,255 INFO L443 ceAbstractionStarter]: For program point L522-2(lines 522 528) no Hoare annotation was computed. [2019-10-22 11:26:26,256 INFO L443 ceAbstractionStarter]: For program point L522-4(lines 522 528) no Hoare annotation was computed. [2019-10-22 11:26:26,256 INFO L439 ceAbstractionStarter]: At program point L259(lines 254 262) the Hoare annotation is: false [2019-10-22 11:26:26,256 INFO L439 ceAbstractionStarter]: At program point L259-1(lines 254 262) the Hoare annotation is: false [2019-10-22 11:26:26,256 INFO L443 ceAbstractionStarter]: For program point L193(lines 193 201) no Hoare annotation was computed. [2019-10-22 11:26:26,256 INFO L439 ceAbstractionStarter]: At program point L259-2(lines 254 262) the Hoare annotation is: false [2019-10-22 11:26:26,256 INFO L443 ceAbstractionStarter]: For program point L193-1(lines 193 201) no Hoare annotation was computed. [2019-10-22 11:26:26,256 INFO L443 ceAbstractionStarter]: For program point L193-2(lines 193 201) no Hoare annotation was computed. [2019-10-22 11:26:26,256 INFO L443 ceAbstractionStarter]: For program point L327(lines 327 331) no Hoare annotation was computed. [2019-10-22 11:26:26,257 INFO L443 ceAbstractionStarter]: For program point L327-2(lines 327 331) no Hoare annotation was computed. [2019-10-22 11:26:26,257 INFO L443 ceAbstractionStarter]: For program point L327-3(lines 327 331) no Hoare annotation was computed. [2019-10-22 11:26:26,257 INFO L443 ceAbstractionStarter]: For program point L327-5(lines 327 331) no Hoare annotation was computed. [2019-10-22 11:26:26,257 INFO L443 ceAbstractionStarter]: For program point L327-6(lines 327 331) no Hoare annotation was computed. [2019-10-22 11:26:26,257 INFO L443 ceAbstractionStarter]: For program point L327-8(lines 327 331) no Hoare annotation was computed. [2019-10-22 11:26:26,257 INFO L443 ceAbstractionStarter]: For program point L327-9(lines 327 331) no Hoare annotation was computed. [2019-10-22 11:26:26,257 INFO L443 ceAbstractionStarter]: For program point L327-11(lines 327 331) no Hoare annotation was computed. [2019-10-22 11:26:26,257 INFO L443 ceAbstractionStarter]: For program point L327-12(lines 327 331) no Hoare annotation was computed. [2019-10-22 11:26:26,257 INFO L443 ceAbstractionStarter]: For program point L327-14(lines 327 331) no Hoare annotation was computed. [2019-10-22 11:26:26,257 INFO L443 ceAbstractionStarter]: For program point L327-15(lines 327 331) no Hoare annotation was computed. [2019-10-22 11:26:26,257 INFO L443 ceAbstractionStarter]: For program point L327-17(lines 327 331) no Hoare annotation was computed. [2019-10-22 11:26:26,258 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-10-22 11:26:26,258 INFO L443 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-10-22 11:26:26,258 INFO L439 ceAbstractionStarter]: At program point L397(lines 350 398) 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 11:26:26,258 INFO L446 ceAbstractionStarter]: At program point L993(lines 974 996) the Hoare annotation is: true [2019-10-22 11:26:26,258 INFO L439 ceAbstractionStarter]: At program point L333(lines 318 336) the Hoare annotation is: (and (= ULTIMATE.start_isLowWaterLevel_~tmp~5 (_ bv0 32)) (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (bvslt ULTIMATE.start_test_~splverifierCounter~0 (_ bv4 32)) (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32)) (= ULTIMATE.start_processEnvironment_~tmp~2 (_ bv0 32)) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~7 (_ bv0 32))) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 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))) [2019-10-22 11:26:26,258 INFO L439 ceAbstractionStarter]: At program point L333-1(lines 318 336) the Hoare annotation is: false [2019-10-22 11:26:26,258 INFO L439 ceAbstractionStarter]: At program point L333-2(lines 318 336) the Hoare annotation is: false [2019-10-22 11:26:26,258 INFO L439 ceAbstractionStarter]: At program point L333-3(lines 318 336) the Hoare annotation is: false [2019-10-22 11:26:26,258 INFO L439 ceAbstractionStarter]: At program point L333-4(lines 318 336) the Hoare annotation is: false [2019-10-22 11:26:26,258 INFO L439 ceAbstractionStarter]: At program point L333-5(lines 318 336) the Hoare annotation is: false [2019-10-22 11:26:26,259 INFO L443 ceAbstractionStarter]: For program point L137(lines 137 154) no Hoare annotation was computed. [2019-10-22 11:26:26,259 INFO L443 ceAbstractionStarter]: For program point L137-1(lines 137 154) no Hoare annotation was computed. [2019-10-22 11:26:26,259 INFO L443 ceAbstractionStarter]: For program point L137-2(lines 137 154) no Hoare annotation was computed. [2019-10-22 11:26:26,259 INFO L443 ceAbstractionStarter]: For program point L137-3(lines 137 154) no Hoare annotation was computed. [2019-10-22 11:26:26,259 INFO L443 ceAbstractionStarter]: For program point L137-4(lines 137 154) no Hoare annotation was computed. [2019-10-22 11:26:26,259 INFO L443 ceAbstractionStarter]: For program point L137-5(lines 137 154) no Hoare annotation was computed. [2019-10-22 11:26:26,259 INFO L443 ceAbstractionStarter]: For program point L137-6(lines 137 154) no Hoare annotation was computed. [2019-10-22 11:26:26,259 INFO L443 ceAbstractionStarter]: For program point L137-7(lines 137 154) no Hoare annotation was computed. [2019-10-22 11:26:26,260 INFO L443 ceAbstractionStarter]: For program point L137-8(lines 137 154) no Hoare annotation was computed. [2019-10-22 11:26:26,260 INFO L443 ceAbstractionStarter]: For program point L137-9(lines 137 154) no Hoare annotation was computed. [2019-10-22 11:26:26,260 INFO L443 ceAbstractionStarter]: For program point L137-10(lines 137 154) no Hoare annotation was computed. [2019-10-22 11:26:26,260 INFO L443 ceAbstractionStarter]: For program point L137-11(lines 137 154) no Hoare annotation was computed. [2019-10-22 11:26:26,260 INFO L439 ceAbstractionStarter]: At program point L74(lines 1 996) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-10-22 11:26:26,260 INFO L443 ceAbstractionStarter]: For program point L141(lines 141 149) no Hoare annotation was computed. [2019-10-22 11:26:26,261 INFO L443 ceAbstractionStarter]: For program point L141-1(lines 141 149) no Hoare annotation was computed. [2019-10-22 11:26:26,261 INFO L443 ceAbstractionStarter]: For program point L141-2(lines 141 149) no Hoare annotation was computed. [2019-10-22 11:26:26,261 INFO L443 ceAbstractionStarter]: For program point L141-3(lines 141 149) no Hoare annotation was computed. [2019-10-22 11:26:26,261 INFO L443 ceAbstractionStarter]: For program point L141-4(lines 141 149) no Hoare annotation was computed. [2019-10-22 11:26:26,261 INFO L443 ceAbstractionStarter]: For program point L141-5(lines 141 149) no Hoare annotation was computed. [2019-10-22 11:26:26,261 INFO L443 ceAbstractionStarter]: For program point L141-6(lines 141 149) no Hoare annotation was computed. [2019-10-22 11:26:26,261 INFO L443 ceAbstractionStarter]: For program point L141-7(lines 141 149) no Hoare annotation was computed. [2019-10-22 11:26:26,261 INFO L443 ceAbstractionStarter]: For program point L141-8(lines 141 149) no Hoare annotation was computed. [2019-10-22 11:26:26,261 INFO L443 ceAbstractionStarter]: For program point L141-9(lines 141 149) no Hoare annotation was computed. [2019-10-22 11:26:26,261 INFO L443 ceAbstractionStarter]: For program point L141-10(lines 141 149) no Hoare annotation was computed. [2019-10-22 11:26:26,261 INFO L443 ceAbstractionStarter]: For program point L141-11(lines 141 149) no Hoare annotation was computed. [2019-10-22 11:26:26,262 INFO L439 ceAbstractionStarter]: At program point L82(lines 77 85) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-10-22 11:26:26,262 INFO L443 ceAbstractionStarter]: For program point L413(lines 413 417) no Hoare annotation was computed. [2019-10-22 11:26:26,262 INFO L443 ceAbstractionStarter]: For program point L413-3(lines 413 417) no Hoare annotation was computed. [2019-10-22 11:26:26,262 INFO L443 ceAbstractionStarter]: For program point L413-6(lines 413 417) no Hoare annotation was computed. [2019-10-22 11:26:26,262 INFO L439 ceAbstractionStarter]: At program point L482(lines 477 485) the Hoare annotation is: (let ((.cse0 (bvslt ULTIMATE.start_test_~splverifierCounter~0 (_ bv4 32))) (.cse1 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)))) (or (and (and (= (_ bv0 32) ~pumpRunning~0) .cse0 .cse1) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv1 32) |ULTIMATE.start_getWaterLevel_#res|)) (and (= (bvadd ~waterLevel~0 (_ bv4294967294 32)) (_ bv0 32)) (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) .cse0 .cse1))) [2019-10-22 11:26:26,262 INFO L439 ceAbstractionStarter]: At program point L482-1(lines 477 485) the Hoare annotation is: (and (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) (= (bvadd ULTIMATE.start_isHighWaterLevel_~tmp~4 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv1 32) |ULTIMATE.start_getWaterLevel_#res|)) [2019-10-22 11:26:26,262 INFO L439 ceAbstractionStarter]: At program point L482-2(lines 477 485) the Hoare annotation is: (and (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) (= (bvadd ULTIMATE.start_isHighWaterLevel_~tmp~4 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv1 32) |ULTIMATE.start_getWaterLevel_#res|)) [2019-10-22 11:26:26,262 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-10-22 11:26:26,262 INFO L443 ceAbstractionStarter]: For program point L352(lines 351 396) no Hoare annotation was computed. [2019-10-22 11:26:26,262 INFO L443 ceAbstractionStarter]: For program point L353(lines 353 357) no Hoare annotation was computed. [2019-10-22 11:26:26,262 INFO L443 ceAbstractionStarter]: For program point L225(lines 225 231) no Hoare annotation was computed. [2019-10-22 11:26:26,263 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-10-22 11:26:26,263 INFO L443 ceAbstractionStarter]: For program point L225-2(lines 225 231) no Hoare annotation was computed. [2019-10-22 11:26:26,263 INFO L443 ceAbstractionStarter]: For program point L225-4(lines 225 231) no Hoare annotation was computed. [2019-10-22 11:26:26,263 INFO L443 ceAbstractionStarter]: For program point L225-6(lines 225 231) no Hoare annotation was computed. [2019-10-22 11:26:26,263 INFO L443 ceAbstractionStarter]: For program point L225-8(lines 225 231) no Hoare annotation was computed. [2019-10-22 11:26:26,263 INFO L443 ceAbstractionStarter]: For program point L225-10(lines 225 231) no Hoare annotation was computed. [2019-10-22 11:26:26,264 INFO L443 ceAbstractionStarter]: For program point L225-12(lines 225 231) no Hoare annotation was computed. [2019-10-22 11:26:26,264 INFO L443 ceAbstractionStarter]: For program point L225-14(lines 225 231) no Hoare annotation was computed. [2019-10-22 11:26:26,264 INFO L443 ceAbstractionStarter]: For program point L225-16(lines 225 231) no Hoare annotation was computed. [2019-10-22 11:26:26,264 INFO L443 ceAbstractionStarter]: For program point L225-18(lines 225 231) no Hoare annotation was computed. [2019-10-22 11:26:26,264 INFO L443 ceAbstractionStarter]: For program point L225-20(lines 225 231) no Hoare annotation was computed. [2019-10-22 11:26:26,264 INFO L443 ceAbstractionStarter]: For program point L225-22(lines 225 231) no Hoare annotation was computed. [2019-10-22 11:26:26,264 INFO L443 ceAbstractionStarter]: For program point L490(lines 490 496) no Hoare annotation was computed. [2019-10-22 11:26:26,264 INFO L443 ceAbstractionStarter]: For program point L490-1(lines 490 496) no Hoare annotation was computed. [2019-10-22 11:26:26,264 INFO L443 ceAbstractionStarter]: For program point L490-2(lines 490 496) no Hoare annotation was computed. [2019-10-22 11:26:26,265 INFO L443 ceAbstractionStarter]: For program point L490-3(lines 490 496) no Hoare annotation was computed. [2019-10-22 11:26:26,265 INFO L443 ceAbstractionStarter]: For program point L490-4(lines 490 496) no Hoare annotation was computed. [2019-10-22 11:26:26,265 INFO L443 ceAbstractionStarter]: For program point L490-5(lines 490 496) no Hoare annotation was computed. [2019-10-22 11:26:26,265 INFO L443 ceAbstractionStarter]: For program point L490-6(lines 490 496) no Hoare annotation was computed. [2019-10-22 11:26:26,265 INFO L443 ceAbstractionStarter]: For program point L490-7(lines 490 496) no Hoare annotation was computed. [2019-10-22 11:26:26,265 INFO L443 ceAbstractionStarter]: For program point L490-8(lines 490 496) no Hoare annotation was computed. [2019-10-22 11:26:26,265 INFO L443 ceAbstractionStarter]: For program point L490-9(lines 490 496) no Hoare annotation was computed. [2019-10-22 11:26:26,265 INFO L443 ceAbstractionStarter]: For program point L490-10(lines 490 496) no Hoare annotation was computed. [2019-10-22 11:26:26,265 INFO L443 ceAbstractionStarter]: For program point L490-11(lines 490 496) no Hoare annotation was computed. [2019-10-22 11:26:26,265 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-22 11:26:26,265 INFO L443 ceAbstractionStarter]: For program point L425(lines 425 429) no Hoare annotation was computed. [2019-10-22 11:26:26,265 INFO L443 ceAbstractionStarter]: For program point L361(lines 361 367) no Hoare annotation was computed. [2019-10-22 11:26:26,266 INFO L439 ceAbstractionStarter]: At program point L361-1(lines 361 367) the Hoare annotation is: (let ((.cse6 (= (_ bv0 32) ~pumpRunning~0)) (.cse4 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)))) (let ((.cse0 (= (bvadd ~waterLevel~0 (_ bv4294967294 32)) (_ bv0 32))) (.cse2 (and .cse6 .cse4)) (.cse3 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse1 (bvslt ULTIMATE.start_test_~splverifierCounter~0 (_ bv4 32))) (.cse5 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)))) (or (and .cse0 (and .cse1 .cse2 .cse3)) (and .cse0 (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (and .cse1 .cse4) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~7 (_ bv0 32)))) (and .cse2 .cse1 .cse3 .cse5) (and (and .cse6 .cse1 .cse4) .cse5 (= (bvadd ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~7 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv1 32) |ULTIMATE.start_getWaterLevel_#res|))))) [2019-10-22 11:26:26,266 INFO L443 ceAbstractionStarter]: For program point L163(lines 163 180) no Hoare annotation was computed. [2019-10-22 11:26:26,266 INFO L443 ceAbstractionStarter]: For program point L163-1(lines 163 180) no Hoare annotation was computed. [2019-10-22 11:26:26,266 INFO L443 ceAbstractionStarter]: For program point L163-2(lines 163 180) no Hoare annotation was computed. [2019-10-22 11:26:26,266 INFO L443 ceAbstractionStarter]: For program point L163-3(lines 163 180) no Hoare annotation was computed. [2019-10-22 11:26:26,266 INFO L443 ceAbstractionStarter]: For program point L163-4(lines 163 180) no Hoare annotation was computed. [2019-10-22 11:26:26,266 INFO L443 ceAbstractionStarter]: For program point L163-5(lines 163 180) no Hoare annotation was computed. [2019-10-22 11:26:26,266 INFO L439 ceAbstractionStarter]: At program point L495(lines 486 499) the Hoare annotation is: false [2019-10-22 11:26:26,266 INFO L439 ceAbstractionStarter]: At program point L495-1(lines 486 499) the Hoare annotation is: (and (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (= (_ bv0 32) ~pumpRunning~0) (bvslt ULTIMATE.start_test_~splverifierCounter~0 (_ bv4 32)) (= ULTIMATE.start_processEnvironment_~tmp~2 (_ bv0 32)) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~7 (_ bv0 32))) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-10-22 11:26:26,266 INFO L439 ceAbstractionStarter]: At program point L495-2(lines 486 499) the Hoare annotation is: false [2019-10-22 11:26:26,266 INFO L439 ceAbstractionStarter]: At program point L495-3(lines 486 499) the Hoare annotation is: (let ((.cse0 (= (_ bv0 32) ~pumpRunning~0)) (.cse1 (bvslt ULTIMATE.start_test_~splverifierCounter~0 (_ bv4 32))) (.cse2 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)))) (or (and (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) .cse0 .cse1 .cse2 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) (and (= (bvadd ~waterLevel~0 (_ bv4294967294 32)) (_ bv0 32)) (and .cse0 .cse1 .cse2)))) [2019-10-22 11:26:26,267 INFO L439 ceAbstractionStarter]: At program point L495-4(lines 486 499) the Hoare annotation is: false [2019-10-22 11:26:26,267 INFO L439 ceAbstractionStarter]: At program point L495-5(lines 486 499) the Hoare annotation is: false [2019-10-22 11:26:26,267 INFO L439 ceAbstractionStarter]: At program point L495-6(lines 486 499) the Hoare annotation is: false [2019-10-22 11:26:26,267 INFO L439 ceAbstractionStarter]: At program point L495-7(lines 486 499) the Hoare annotation is: (and (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-10-22 11:26:26,267 INFO L439 ceAbstractionStarter]: At program point L495-8(lines 486 499) the Hoare annotation is: false [2019-10-22 11:26:26,267 INFO L439 ceAbstractionStarter]: At program point L495-9(lines 486 499) the Hoare annotation is: false [2019-10-22 11:26:26,267 INFO L439 ceAbstractionStarter]: At program point L495-10(lines 486 499) the Hoare annotation is: false [2019-10-22 11:26:26,268 INFO L439 ceAbstractionStarter]: At program point L495-11(lines 486 499) the Hoare annotation is: (and (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~7 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv1 32) |ULTIMATE.start_getWaterLevel_#res|)) [2019-10-22 11:26:26,268 INFO L443 ceAbstractionStarter]: For program point L167(lines 167 175) no Hoare annotation was computed. [2019-10-22 11:26:26,268 INFO L443 ceAbstractionStarter]: For program point L167-1(lines 167 175) no Hoare annotation was computed. [2019-10-22 11:26:26,268 INFO L443 ceAbstractionStarter]: For program point L167-2(lines 167 175) no Hoare annotation was computed. [2019-10-22 11:26:26,268 INFO L443 ceAbstractionStarter]: For program point L167-3(lines 167 175) no Hoare annotation was computed. [2019-10-22 11:26:26,268 INFO L443 ceAbstractionStarter]: For program point L167-4(lines 167 175) no Hoare annotation was computed. [2019-10-22 11:26:26,269 INFO L443 ceAbstractionStarter]: For program point L167-5(lines 167 175) no Hoare annotation was computed. [2019-10-22 11:26:26,297 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 11:26:26 BoogieIcfgContainer [2019-10-22 11:26:26,297 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-22 11:26:26,298 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 11:26:26,298 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 11:26:26,298 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 11:26:26,298 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:26:06" (3/4) ... [2019-10-22 11:26:26,302 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-10-22 11:26:26,325 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-10-22 11:26:26,325 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2019-10-22 11:26:26,326 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-10-22 11:26:26,327 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-10-22 11:26:26,331 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-10-22 11:26:26,332 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-10-22 11:26:26,368 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((~bvadd64(waterLevel, 4294967294bv32) == 0bv32 && !(0bv32 == \result)) && ~bvslt32(splverifierCounter, 4bv32)) && !(tmp == 0bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || ((((0bv32 == pumpRunning && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvslt32(splverifierCounter, 4bv32)) && methaneLevelCritical == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32)) || (((((0bv32 == pumpRunning && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvslt32(splverifierCounter, 4bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && 1bv32 == \result) [2019-10-22 11:26:26,368 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((~bvadd64(waterLevel, 4294967294bv32) == 0bv32 && (~bvslt32(splverifierCounter, 4bv32) && 0bv32 == pumpRunning && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && methaneLevelCritical == 0bv32) || (((~bvadd64(waterLevel, 4294967294bv32) == 0bv32 && !(0bv32 == \result)) && ~bvslt32(splverifierCounter, 4bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && !(tmp == 0bv32))) || ((((0bv32 == pumpRunning && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvslt32(splverifierCounter, 4bv32)) && methaneLevelCritical == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32)) || (((((0bv32 == pumpRunning && ~bvslt32(splverifierCounter, 4bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && 1bv32 == \result) [2019-10-22 11:26:26,369 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1bv32 == \result && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 [2019-10-22 11:26:26,369 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((~bvslt32(splverifierCounter, 4bv32) && 0bv32 == pumpRunning && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967294bv32) == 0bv32) || (((0bv32 == pumpRunning && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvslt32(splverifierCounter, 4bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32)) || (((~bvadd64(waterLevel, 4294967294bv32) == 0bv32 && !(0bv32 == \result)) && !(tmp == 0bv32)) && ~bvslt32(splverifierCounter, 4bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) [2019-10-22 11:26:26,370 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((~bvslt32(splverifierCounter, 4bv32) && 0bv32 == pumpRunning && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967294bv32) == 0bv32) || (((!(0bv32 == \result) && !(tmp == 0bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && ~bvslt32(splverifierCounter, 4bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || (((0bv32 == pumpRunning && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvslt32(splverifierCounter, 4bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) [2019-10-22 11:26:26,370 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((~bvadd64(waterLevel, 4294967294bv32) == 0bv32 && ~bvslt32(splverifierCounter, 4bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || (((((1bv32 == \result && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvslt32(splverifierCounter, 4bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32)) || (((((0bv32 == pumpRunning && !(0bv32 == \result)) && ~bvslt32(splverifierCounter, 4bv32)) && !(tmp == 0bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) [2019-10-22 11:26:26,371 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1bv32 == \result && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result [2019-10-22 11:26:26,371 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1bv32 == \result && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && 1bv32 == \result [2019-10-22 11:26:26,371 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1bv32 == \result && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && 1bv32 == \result [2019-10-22 11:26:26,371 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((0bv32 == pumpRunning && ~bvslt32(splverifierCounter, 4bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result) || (((~bvadd64(waterLevel, 4294967294bv32) == 0bv32 && !(0bv32 == \result)) && ~bvslt32(splverifierCounter, 4bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) [2019-10-22 11:26:26,372 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1bv32 == \result && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && 1bv32 == \result [2019-10-22 11:26:26,372 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1bv32 == \result && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && 1bv32 == \result [2019-10-22 11:26:26,372 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(0bv32 == \result) && ~bvslt32(splverifierCounter, 4bv32)) && !(tmp == 0bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 [2019-10-22 11:26:26,372 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((1bv32 == \result && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 [2019-10-22 11:26:26,373 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(0bv32 == \result) && ~bvslt32(splverifierCounter, 4bv32)) && !(tmp == 0bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 [2019-10-22 11:26:26,373 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1bv32 == \result && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result [2019-10-22 11:26:26,373 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1bv32 == \result && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && \result == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && tmp___0 == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 [2019-10-22 11:26:26,373 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1bv32 == \result && 0bv32 == pumpRunning) && ~bvslt32(splverifierCounter, 4bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) || (~bvadd64(waterLevel, 4294967294bv32) == 0bv32 && (0bv32 == pumpRunning && ~bvslt32(splverifierCounter, 4bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) [2019-10-22 11:26:26,374 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1bv32 == \result && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && 1bv32 == \result [2019-10-22 11:26:26,374 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((1bv32 == \result && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvslt32(splverifierCounter, 4bv32)) && \result == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && tmp___0 == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) || (~bvadd64(waterLevel, 4294967294bv32) == 0bv32 && (0bv32 == pumpRunning && ~bvslt32(splverifierCounter, 4bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) [2019-10-22 11:26:26,375 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1bv32 == \result && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && 1bv32 == \result [2019-10-22 11:26:26,375 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(0bv32 == \result) && ~bvslt32(splverifierCounter, 4bv32)) && \result == 0bv32) && tmp == 0bv32) && !(tmp == 0bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 [2019-10-22 11:26:26,376 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1bv32 == \result && !(0bv32 == \result)) && 0bv32 == pumpRunning) && ~bvslt32(splverifierCounter, 4bv32)) && tmp == 0bv32) && !(tmp == 0bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 [2019-10-22 11:26:26,376 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((1bv32 == \result && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && \result == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && tmp___0 == 0bv32) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && 1bv32 == \result [2019-10-22 11:26:26,379 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((tmp == 0bv32 && !(0bv32 == \result)) && ~bvslt32(splverifierCounter, 4bv32)) && \result == 0bv32) && tmp == 0bv32) && !(tmp == 0bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(tmp___0, 4294967295bv32) == 0bv32) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 [2019-10-22 11:26:26,379 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((1bv32 == \result && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && !(0bv32 == \result)) && ~bvslt32(splverifierCounter, 4bv32)) && tmp == 0bv32) && \result == 0bv32) && !(tmp == 0bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && tmp___0 == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 [2019-10-22 11:26:26,478 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_62ea6b69-f4da-4d0c-b762-79617c46f269/bin/utaipan/witness.graphml [2019-10-22 11:26:26,478 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 11:26:26,479 INFO L168 Benchmark]: Toolchain (without parser) took 21629.83 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 478.7 MB). Free memory was 941.6 MB in the beginning and 1.2 GB in the end (delta: -219.9 MB). Peak memory consumption was 258.8 MB. Max. memory is 11.5 GB. [2019-10-22 11:26:26,480 INFO L168 Benchmark]: CDTParser took 0.24 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 11:26:26,480 INFO L168 Benchmark]: CACSL2BoogieTranslator took 614.74 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 165.2 MB). Free memory was 941.6 MB in the beginning and 1.1 GB in the end (delta: -205.8 MB). Peak memory consumption was 24.8 MB. Max. memory is 11.5 GB. [2019-10-22 11:26:26,480 INFO L168 Benchmark]: Boogie Procedure Inliner took 78.03 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: 13.0 MB). Peak memory consumption was 13.0 MB. Max. memory is 11.5 GB. [2019-10-22 11:26:26,481 INFO L168 Benchmark]: Boogie Preprocessor took 73.14 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. [2019-10-22 11:26:26,481 INFO L168 Benchmark]: RCFGBuilder took 1210.36 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: 95.1 MB). Peak memory consumption was 95.1 MB. Max. memory is 11.5 GB. [2019-10-22 11:26:26,481 INFO L168 Benchmark]: TraceAbstraction took 19464.93 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 313.5 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -153.5 MB). Peak memory consumption was 414.9 MB. Max. memory is 11.5 GB. [2019-10-22 11:26:26,481 INFO L168 Benchmark]: Witness Printer took 180.47 ms. Allocated memory is still 1.5 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 24.9 MB). Peak memory consumption was 24.9 MB. Max. memory is 11.5 GB. [2019-10-22 11:26:26,483 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 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 614.74 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 165.2 MB). Free memory was 941.6 MB in the beginning and 1.1 GB in the end (delta: -205.8 MB). Peak memory consumption was 24.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 78.03 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: 13.0 MB). Peak memory consumption was 13.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 73.14 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1210.36 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: 95.1 MB). Peak memory consumption was 95.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 19464.93 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 313.5 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -153.5 MB). Peak memory consumption was 414.9 MB. Max. memory is 11.5 GB. * Witness Printer took 180.47 ms. Allocated memory is still 1.5 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 24.9 MB). Peak memory consumption was 24.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 445]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 299]: Loop Invariant Derived loop invariant: (((((((((1bv32 == \result && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && !(0bv32 == \result)) && ~bvslt32(splverifierCounter, 4bv32)) && tmp == 0bv32) && \result == 0bv32) && !(tmp == 0bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && tmp___0 == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 - InvariantResult [Line: 445]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 299]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 477]: Loop Invariant Derived loop invariant: ((((0bv32 == pumpRunning && ~bvslt32(splverifierCounter, 4bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result) || (((~bvadd64(waterLevel, 4294967294bv32) == 0bv32 && !(0bv32 == \result)) && ~bvslt32(splverifierCounter, 4bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) - InvariantResult [Line: 299]: Loop Invariant Derived loop invariant: (((((((1bv32 == \result && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvslt32(splverifierCounter, 4bv32)) && \result == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && tmp___0 == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) || (~bvadd64(waterLevel, 4294967294bv32) == 0bv32 && (0bv32 == pumpRunning && ~bvslt32(splverifierCounter, 4bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) - InvariantResult [Line: 445]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 957]: Loop Invariant Derived loop invariant: ((0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 - InvariantResult [Line: 477]: Loop Invariant Derived loop invariant: ((((1bv32 == \result && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result - InvariantResult [Line: 299]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 445]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 477]: Loop Invariant Derived loop invariant: ((((1bv32 == \result && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result - InvariantResult [Line: 299]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 445]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 500]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 318]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 445]: Loop Invariant Derived loop invariant: ((~bvadd64(waterLevel, 4294967294bv32) == 0bv32 && 0bv32 == pumpRunning) && ~bvslt32(splverifierCounter, 4bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 318]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 445]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 254]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 445]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 254]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 445]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 254]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 445]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 299]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 486]: Loop Invariant Derived loop invariant: ((((1bv32 == \result && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && 1bv32 == \result - InvariantResult [Line: 243]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 500]: Loop Invariant Derived loop invariant: (((((!(0bv32 == \result) && ~bvslt32(splverifierCounter, 4bv32)) && \result == 0bv32) && tmp == 0bv32) && !(tmp == 0bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 - InvariantResult [Line: 243]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 500]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 318]: Loop Invariant Derived loop invariant: ((((((((tmp == 0bv32 && !(0bv32 == \result)) && ~bvslt32(splverifierCounter, 4bv32)) && \result == 0bv32) && tmp == 0bv32) && !(tmp == 0bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(tmp___0, 4294967295bv32) == 0bv32) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 - InvariantResult [Line: 445]: Loop Invariant Derived loop invariant: (((!(0bv32 == \result) && ~bvslt32(splverifierCounter, 4bv32)) && !(tmp == 0bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 - InvariantResult [Line: 243]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 984]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 500]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 318]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 243]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 445]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 500]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 318]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 243]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 445]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 500]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 318]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 243]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 445]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 486]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 486]: Loop Invariant Derived loop invariant: ((1bv32 == \result && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 - InvariantResult [Line: 243]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 486]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 486]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 243]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 486]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 243]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 243]: Loop Invariant Derived loop invariant: (((!(0bv32 == \result) && ~bvslt32(splverifierCounter, 4bv32)) && !(tmp == 0bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 - InvariantResult [Line: 486]: Loop Invariant Derived loop invariant: ((((((1bv32 == \result && !(0bv32 == \result)) && 0bv32 == pumpRunning) && ~bvslt32(splverifierCounter, 4bv32)) && tmp == 0bv32) && !(tmp == 0bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 - InvariantResult [Line: 486]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 486]: Loop Invariant Derived loop invariant: ((((1bv32 == \result && 0bv32 == pumpRunning) && ~bvslt32(splverifierCounter, 4bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) || (~bvadd64(waterLevel, 4294967294bv32) == 0bv32 && (0bv32 == pumpRunning && ~bvslt32(splverifierCounter, 4bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) - InvariantResult [Line: 77]: Loop Invariant Derived loop invariant: ((0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 - InvariantResult [Line: 486]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 486]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 - InvariantResult [Line: 243]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 243]: Loop Invariant Derived loop invariant: ((~bvadd64(waterLevel, 4294967294bv32) == 0bv32 && 0bv32 == pumpRunning) && ~bvslt32(splverifierCounter, 4bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 371]: Loop Invariant Derived loop invariant: (((~bvslt32(splverifierCounter, 4bv32) && 0bv32 == pumpRunning && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967294bv32) == 0bv32) || (((0bv32 == pumpRunning && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvslt32(splverifierCounter, 4bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32)) || (((~bvadd64(waterLevel, 4294967294bv32) == 0bv32 && !(0bv32 == \result)) && !(tmp == 0bv32)) && ~bvslt32(splverifierCounter, 4bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) - InvariantResult [Line: 243]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 243]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 243]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 486]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 112]: Loop Invariant Derived loop invariant: (((1bv32 == \result && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((1bv32 == \result && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && 1bv32 == \result - InvariantResult [Line: 112]: Loop Invariant Derived loop invariant: ((~bvadd64(waterLevel, 4294967294bv32) == 0bv32 && ~bvslt32(splverifierCounter, 4bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || (((((1bv32 == \result && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvslt32(splverifierCounter, 4bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32)) || (((((0bv32 == pumpRunning && !(0bv32 == \result)) && ~bvslt32(splverifierCounter, 4bv32)) && !(tmp == 0bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) - InvariantResult [Line: 350]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 - InvariantResult [Line: 104]: Loop Invariant Derived loop invariant: (((((1bv32 == \result && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && 1bv32 == \result - InvariantResult [Line: 104]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 - InvariantResult [Line: 974]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((1bv32 == \result && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && 1bv32 == \result - InvariantResult [Line: 104]: Loop Invariant Derived loop invariant: (((~bvslt32(splverifierCounter, 4bv32) && 0bv32 == pumpRunning && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967294bv32) == 0bv32) || (((!(0bv32 == \result) && !(tmp == 0bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && ~bvslt32(splverifierCounter, 4bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || (((0bv32 == pumpRunning && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvslt32(splverifierCounter, 4bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) - InvariantResult [Line: 299]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 445]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 299]: Loop Invariant Derived loop invariant: (((((1bv32 == \result && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && \result == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && tmp___0 == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 - InvariantResult [Line: 361]: Loop Invariant Derived loop invariant: (((~bvadd64(waterLevel, 4294967294bv32) == 0bv32 && (~bvslt32(splverifierCounter, 4bv32) && 0bv32 == pumpRunning && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && methaneLevelCritical == 0bv32) || (((~bvadd64(waterLevel, 4294967294bv32) == 0bv32 && !(0bv32 == \result)) && ~bvslt32(splverifierCounter, 4bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && !(tmp == 0bv32))) || ((((0bv32 == pumpRunning && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvslt32(splverifierCounter, 4bv32)) && methaneLevelCritical == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32)) || (((((0bv32 == pumpRunning && ~bvslt32(splverifierCounter, 4bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && 1bv32 == \result) - InvariantResult [Line: 299]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 299]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 299]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 112]: Loop Invariant Derived loop invariant: (((((1bv32 == \result && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && 1bv32 == \result - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((~bvadd64(waterLevel, 4294967294bv32) == 0bv32 && !(0bv32 == \result)) && ~bvslt32(splverifierCounter, 4bv32)) && !(tmp == 0bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || ((((0bv32 == pumpRunning && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvslt32(splverifierCounter, 4bv32)) && methaneLevelCritical == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32)) || (((((0bv32 == pumpRunning && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvslt32(splverifierCounter, 4bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && 1bv32 == \result) - InvariantResult [Line: 299]: Loop Invariant Derived loop invariant: (((((((1bv32 == \result && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && \result == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && tmp___0 == 0bv32) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && 1bv32 == \result - InvariantResult [Line: 913]: Loop Invariant Derived loop invariant: (((((1bv32 == \result && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && 1bv32 == \result - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 225 locations, 3 error locations. Result: SAFE, OverallTime: 19.3s, OverallIterations: 12, TraceHistogramMax: 3, AutomataDifference: 4.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 6.6s, HoareTripleCheckerStatistics: 2940 SDtfs, 6632 SDslu, 7471 SDs, 0 SdLazy, 1262 SolverSat, 315 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1263 GetRequests, 1162 SyntacticMatches, 1 SemanticMatches, 100 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 284 ImplicationChecksByTransitivity, 1.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=804occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 12 MinimizatonAttempts, 5255 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 90 LocationsWithAnnotation, 90 PreInvPairs, 292 NumberOfFragments, 1169 HoareAnnotationTreeSize, 90 FomulaSimplifications, 1261926 FormulaSimplificationTreeSizeReduction, 1.8s HoareSimplificationTime, 90 FomulaSimplificationsInter, 147220 FormulaSimplificationTreeSizeReductionInter, 4.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 2.6s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 610 NumberOfCodeBlocks, 610 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 1194 ConstructedInterpolants, 0 QuantifiedInterpolants, 143010 SizeOfPredicates, 44 NumberOfNonLiveVariables, 2845 ConjunctsInSsa, 66 ConjunctsInUnsatCore, 26 InterpolantComputations, 22 PerfectInterpolantSequences, 292/328 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...