./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product42.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_6355a722-3fd1-49a0-a6b9-16af873bdd07/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_6355a722-3fd1-49a0-a6b9-16af873bdd07/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_6355a722-3fd1-49a0-a6b9-16af873bdd07/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_6355a722-3fd1-49a0-a6b9-16af873bdd07/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product42.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_6355a722-3fd1-49a0-a6b9-16af873bdd07/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_6355a722-3fd1-49a0-a6b9-16af873bdd07/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 532810884b5d2bf06b0b91e69513de04a1b641b8 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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_6355a722-3fd1-49a0-a6b9-16af873bdd07/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_6355a722-3fd1-49a0-a6b9-16af873bdd07/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_6355a722-3fd1-49a0-a6b9-16af873bdd07/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_6355a722-3fd1-49a0-a6b9-16af873bdd07/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product42.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_6355a722-3fd1-49a0-a6b9-16af873bdd07/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_6355a722-3fd1-49a0-a6b9-16af873bdd07/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 532810884b5d2bf06b0b91e69513de04a1b641b8 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 11:23:19,717 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 11:23:19,722 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 11:23:19,733 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 11:23:19,733 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 11:23:19,734 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 11:23:19,735 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 11:23:19,737 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 11:23:19,739 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 11:23:19,740 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 11:23:19,741 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 11:23:19,742 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 11:23:19,742 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 11:23:19,743 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 11:23:19,744 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 11:23:19,745 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 11:23:19,746 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 11:23:19,747 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 11:23:19,749 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 11:23:19,751 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 11:23:19,752 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 11:23:19,753 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 11:23:19,754 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 11:23:19,755 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 11:23:19,758 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 11:23:19,758 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 11:23:19,758 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 11:23:19,759 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 11:23:19,760 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 11:23:19,761 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 11:23:19,761 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 11:23:19,762 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 11:23:19,763 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 11:23:19,763 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 11:23:19,764 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 11:23:19,765 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 11:23:19,765 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 11:23:19,766 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 11:23:19,766 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 11:23:19,767 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 11:23:19,768 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 11:23:19,768 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_6355a722-3fd1-49a0-a6b9-16af873bdd07/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-10-22 11:23:19,783 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 11:23:19,783 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 11:23:19,784 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-22 11:23:19,784 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-22 11:23:19,785 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-22 11:23:19,785 INFO L138 SettingsManager]: * Explicit value domain=true [2019-10-22 11:23:19,785 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-10-22 11:23:19,785 INFO L138 SettingsManager]: * Octagon Domain=false [2019-10-22 11:23:19,786 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-10-22 11:23:19,786 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-10-22 11:23:19,786 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-10-22 11:23:19,786 INFO L138 SettingsManager]: * Interval Domain=false [2019-10-22 11:23:19,787 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 11:23:19,787 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 11:23:19,787 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 11:23:19,788 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 11:23:19,788 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 11:23:19,788 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 11:23:19,788 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 11:23:19,788 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 11:23:19,789 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 11:23:19,789 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 11:23:19,789 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 11:23:19,789 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 11:23:19,789 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 11:23:19,790 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 11:23:19,790 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 11:23:19,791 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 11:23:19,791 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 11:23:19,791 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 11:23:19,791 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 11:23:19,792 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-10-22 11:23:19,792 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 11:23:19,792 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 11:23:19,792 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-22 11:23:19,792 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_6355a722-3fd1-49a0-a6b9-16af873bdd07/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 -> 532810884b5d2bf06b0b91e69513de04a1b641b8 [2019-10-22 11:23:19,822 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 11:23:19,834 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 11:23:19,838 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 11:23:19,839 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 11:23:19,840 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 11:23:19,841 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_6355a722-3fd1-49a0-a6b9-16af873bdd07/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec5_product42.cil.c [2019-10-22 11:23:19,900 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6355a722-3fd1-49a0-a6b9-16af873bdd07/bin/utaipan/data/f560a2306/9e027345b1f84e73ac31dff08f0ea4f6/FLAG65cb2759d [2019-10-22 11:23:20,338 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 11:23:20,339 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_6355a722-3fd1-49a0-a6b9-16af873bdd07/sv-benchmarks/c/product-lines/minepump_spec5_product42.cil.c [2019-10-22 11:23:20,352 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6355a722-3fd1-49a0-a6b9-16af873bdd07/bin/utaipan/data/f560a2306/9e027345b1f84e73ac31dff08f0ea4f6/FLAG65cb2759d [2019-10-22 11:23:20,640 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_6355a722-3fd1-49a0-a6b9-16af873bdd07/bin/utaipan/data/f560a2306/9e027345b1f84e73ac31dff08f0ea4f6 [2019-10-22 11:23:20,643 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 11:23:20,644 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 11:23:20,645 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 11:23:20,645 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 11:23:20,649 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 11:23:20,650 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:23:20" (1/1) ... [2019-10-22 11:23:20,653 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73eab137 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:20, skipping insertion in model container [2019-10-22 11:23:20,654 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:23:20" (1/1) ... [2019-10-22 11:23:20,662 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 11:23:20,714 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 11:23:21,101 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:23:21,118 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 11:23:21,241 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:23:21,279 INFO L192 MainTranslator]: Completed translation [2019-10-22 11:23:21,280 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:21 WrapperNode [2019-10-22 11:23:21,280 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 11:23:21,281 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 11:23:21,281 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 11:23:21,281 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 11:23:21,291 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:21" (1/1) ... [2019-10-22 11:23:21,315 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:21" (1/1) ... [2019-10-22 11:23:21,356 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 11:23:21,356 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 11:23:21,356 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 11:23:21,356 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 11:23:21,365 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:21" (1/1) ... [2019-10-22 11:23:21,365 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:21" (1/1) ... [2019-10-22 11:23:21,369 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:21" (1/1) ... [2019-10-22 11:23:21,369 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:21" (1/1) ... [2019-10-22 11:23:21,379 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:21" (1/1) ... [2019-10-22 11:23:21,386 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:21" (1/1) ... [2019-10-22 11:23:21,388 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:21" (1/1) ... [2019-10-22 11:23:21,393 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 11:23:21,393 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 11:23:21,394 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 11:23:21,394 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 11:23:21,395 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:21" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6355a722-3fd1-49a0-a6b9-16af873bdd07/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 11:23:21,476 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 11:23:21,477 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-22 11:23:21,477 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 11:23:21,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 11:23:22,441 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 11:23:22,441 INFO L284 CfgBuilder]: Removed 130 assume(true) statements. [2019-10-22 11:23:22,442 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:23:22 BoogieIcfgContainer [2019-10-22 11:23:22,442 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 11:23:22,443 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 11:23:22,443 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 11:23:22,446 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 11:23:22,447 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 11:23:20" (1/3) ... [2019-10-22 11:23:22,447 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69e2bb80 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:23:22, skipping insertion in model container [2019-10-22 11:23:22,448 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:21" (2/3) ... [2019-10-22 11:23:22,448 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69e2bb80 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:23:22, skipping insertion in model container [2019-10-22 11:23:22,448 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:23:22" (3/3) ... [2019-10-22 11:23:22,450 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product42.cil.c [2019-10-22 11:23:22,459 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 11:23:22,479 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-10-22 11:23:22,489 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-10-22 11:23:22,524 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 11:23:22,525 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-22 11:23:22,525 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 11:23:22,525 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 11:23:22,525 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 11:23:22,525 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 11:23:22,525 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 11:23:22,526 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 11:23:22,538 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states. [2019-10-22 11:23:22,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-10-22 11:23:22,544 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:23:22,545 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:23:22,546 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:23:22,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:23:22,551 INFO L82 PathProgramCache]: Analyzing trace with hash 2002570515, now seen corresponding path program 1 times [2019-10-22 11:23:22,557 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:23:22,557 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [888848756] [2019-10-22 11:23:22,557 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:22,557 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:22,557 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:23:22,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:23:22,766 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 11:23:22,767 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [888848756] [2019-10-22 11:23:22,768 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:23:22,768 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 11:23:22,769 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1481664824] [2019-10-22 11:23:22,772 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-22 11:23:22,774 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:23:22,788 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-22 11:23:22,788 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-22 11:23:22,790 INFO L87 Difference]: Start difference. First operand 96 states. Second operand 2 states. [2019-10-22 11:23:22,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:23:22,825 INFO L93 Difference]: Finished difference Result 185 states and 274 transitions. [2019-10-22 11:23:22,825 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-22 11:23:22,826 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 19 [2019-10-22 11:23:22,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:23:22,839 INFO L225 Difference]: With dead ends: 185 [2019-10-22 11:23:22,839 INFO L226 Difference]: Without dead ends: 92 [2019-10-22 11:23:22,843 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 11:23:22,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2019-10-22 11:23:22,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 92. [2019-10-22 11:23:22,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 92 states. [2019-10-22 11:23:22,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 129 transitions. [2019-10-22 11:23:22,896 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 129 transitions. Word has length 19 [2019-10-22 11:23:22,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:23:22,897 INFO L462 AbstractCegarLoop]: Abstraction has 92 states and 129 transitions. [2019-10-22 11:23:22,897 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-22 11:23:22,897 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 129 transitions. [2019-10-22 11:23:22,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-10-22 11:23:22,898 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:23:22,898 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 11:23:22,898 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:23:22,899 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:23:22,899 INFO L82 PathProgramCache]: Analyzing trace with hash -486377228, now seen corresponding path program 1 times [2019-10-22 11:23:22,899 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:23:22,899 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1212970660] [2019-10-22 11:23:22,899 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:22,899 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:22,900 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:23:22,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:23:23,036 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 11:23:23,037 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1212970660] [2019-10-22 11:23:23,037 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:23:23,037 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 11:23:23,037 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1058483191] [2019-10-22 11:23:23,039 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 11:23:23,039 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:23:23,039 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 11:23:23,040 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:23:23,040 INFO L87 Difference]: Start difference. First operand 92 states and 129 transitions. Second operand 3 states. [2019-10-22 11:23:23,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:23:23,051 INFO L93 Difference]: Finished difference Result 92 states and 129 transitions. [2019-10-22 11:23:23,052 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 11:23:23,052 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 20 [2019-10-22 11:23:23,052 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:23:23,053 INFO L225 Difference]: With dead ends: 92 [2019-10-22 11:23:23,053 INFO L226 Difference]: Without dead ends: 41 [2019-10-22 11:23:23,054 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 11:23:23,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2019-10-22 11:23:23,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2019-10-22 11:23:23,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2019-10-22 11:23:23,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 57 transitions. [2019-10-22 11:23:23,059 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 57 transitions. Word has length 20 [2019-10-22 11:23:23,059 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:23:23,059 INFO L462 AbstractCegarLoop]: Abstraction has 41 states and 57 transitions. [2019-10-22 11:23:23,060 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 11:23:23,060 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 57 transitions. [2019-10-22 11:23:23,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-10-22 11:23:23,060 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:23:23,061 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 11:23:23,061 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:23:23,061 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:23:23,061 INFO L82 PathProgramCache]: Analyzing trace with hash 215436409, now seen corresponding path program 1 times [2019-10-22 11:23:23,061 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:23:23,062 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [883113327] [2019-10-22 11:23:23,062 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:23,062 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:23,062 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:23:23,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:23:23,142 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 11:23:23,142 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [883113327] [2019-10-22 11:23:23,143 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:23:23,143 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 11:23:23,143 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [519777702] [2019-10-22 11:23:23,143 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 11:23:23,144 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:23:23,144 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 11:23:23,144 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:23:23,144 INFO L87 Difference]: Start difference. First operand 41 states and 57 transitions. Second operand 3 states. [2019-10-22 11:23:23,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:23:23,177 INFO L93 Difference]: Finished difference Result 75 states and 107 transitions. [2019-10-22 11:23:23,177 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 11:23:23,178 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2019-10-22 11:23:23,178 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:23:23,179 INFO L225 Difference]: With dead ends: 75 [2019-10-22 11:23:23,179 INFO L226 Difference]: Without dead ends: 41 [2019-10-22 11:23:23,179 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 11:23:23,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2019-10-22 11:23:23,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2019-10-22 11:23:23,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2019-10-22 11:23:23,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 56 transitions. [2019-10-22 11:23:23,193 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 56 transitions. Word has length 26 [2019-10-22 11:23:23,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:23:23,194 INFO L462 AbstractCegarLoop]: Abstraction has 41 states and 56 transitions. [2019-10-22 11:23:23,194 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 11:23:23,194 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 56 transitions. [2019-10-22 11:23:23,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-10-22 11:23:23,195 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:23:23,195 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] [2019-10-22 11:23:23,196 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:23:23,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:23:23,196 INFO L82 PathProgramCache]: Analyzing trace with hash 937029115, now seen corresponding path program 1 times [2019-10-22 11:23:23,196 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:23:23,196 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1886186172] [2019-10-22 11:23:23,197 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:23,197 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:23,197 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:23:23,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:23:23,259 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 11:23:23,259 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1886186172] [2019-10-22 11:23:23,259 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:23:23,259 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 11:23:23,260 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1966204763] [2019-10-22 11:23:23,260 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 11:23:23,260 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:23:23,260 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 11:23:23,261 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:23:23,261 INFO L87 Difference]: Start difference. First operand 41 states and 56 transitions. Second operand 3 states. [2019-10-22 11:23:23,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:23:23,287 INFO L93 Difference]: Finished difference Result 99 states and 139 transitions. [2019-10-22 11:23:23,288 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 11:23:23,288 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 27 [2019-10-22 11:23:23,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:23:23,289 INFO L225 Difference]: With dead ends: 99 [2019-10-22 11:23:23,289 INFO L226 Difference]: Without dead ends: 65 [2019-10-22 11:23:23,290 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 11:23:23,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2019-10-22 11:23:23,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 63. [2019-10-22 11:23:23,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2019-10-22 11:23:23,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 87 transitions. [2019-10-22 11:23:23,307 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 87 transitions. Word has length 27 [2019-10-22 11:23:23,307 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:23:23,307 INFO L462 AbstractCegarLoop]: Abstraction has 63 states and 87 transitions. [2019-10-22 11:23:23,307 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 11:23:23,307 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 87 transitions. [2019-10-22 11:23:23,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-10-22 11:23:23,308 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:23:23,308 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] [2019-10-22 11:23:23,309 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:23:23,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:23:23,309 INFO L82 PathProgramCache]: Analyzing trace with hash 1349052711, now seen corresponding path program 1 times [2019-10-22 11:23:23,309 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:23:23,309 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [718878322] [2019-10-22 11:23:23,310 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:23,310 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:23,310 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:23:23,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:23:23,436 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:23:23,436 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [718878322] [2019-10-22 11:23:23,436 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:23:23,436 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 11:23:23,437 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [656898760] [2019-10-22 11:23:23,437 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 11:23:23,437 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:23:23,437 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 11:23:23,438 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 11:23:23,438 INFO L87 Difference]: Start difference. First operand 63 states and 87 transitions. Second operand 5 states. [2019-10-22 11:23:23,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:23:23,587 INFO L93 Difference]: Finished difference Result 216 states and 304 transitions. [2019-10-22 11:23:23,588 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-22 11:23:23,588 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2019-10-22 11:23:23,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:23:23,593 INFO L225 Difference]: With dead ends: 216 [2019-10-22 11:23:23,593 INFO L226 Difference]: Without dead ends: 160 [2019-10-22 11:23:23,594 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-10-22 11:23:23,595 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2019-10-22 11:23:23,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 62. [2019-10-22 11:23:23,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 62 states. [2019-10-22 11:23:23,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 84 transitions. [2019-10-22 11:23:23,606 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 84 transitions. Word has length 33 [2019-10-22 11:23:23,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:23:23,606 INFO L462 AbstractCegarLoop]: Abstraction has 62 states and 84 transitions. [2019-10-22 11:23:23,607 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 11:23:23,607 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 84 transitions. [2019-10-22 11:23:23,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-10-22 11:23:23,608 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:23:23,608 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] [2019-10-22 11:23:23,608 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:23:23,609 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:23:23,609 INFO L82 PathProgramCache]: Analyzing trace with hash -243919497, now seen corresponding path program 1 times [2019-10-22 11:23:23,609 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:23:23,609 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1111066603] [2019-10-22 11:23:23,610 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:23,610 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:23,610 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:23:23,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:23:23,674 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 11:23:23,674 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1111066603] [2019-10-22 11:23:23,674 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:23:23,675 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-22 11:23:23,675 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [227578724] [2019-10-22 11:23:23,675 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 11:23:23,676 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:23:23,676 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 11:23:23,676 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 11:23:23,676 INFO L87 Difference]: Start difference. First operand 62 states and 84 transitions. Second operand 5 states. [2019-10-22 11:23:23,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:23:23,734 INFO L93 Difference]: Finished difference Result 161 states and 220 transitions. [2019-10-22 11:23:23,735 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-22 11:23:23,735 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 36 [2019-10-22 11:23:23,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:23:23,736 INFO L225 Difference]: With dead ends: 161 [2019-10-22 11:23:23,736 INFO L226 Difference]: Without dead ends: 106 [2019-10-22 11:23:23,737 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 11:23:23,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2019-10-22 11:23:23,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 65. [2019-10-22 11:23:23,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2019-10-22 11:23:23,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 87 transitions. [2019-10-22 11:23:23,747 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 87 transitions. Word has length 36 [2019-10-22 11:23:23,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:23:23,747 INFO L462 AbstractCegarLoop]: Abstraction has 65 states and 87 transitions. [2019-10-22 11:23:23,747 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 11:23:23,747 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 87 transitions. [2019-10-22 11:23:23,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-10-22 11:23:23,748 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:23:23,748 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] [2019-10-22 11:23:23,749 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:23:23,749 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:23:23,749 INFO L82 PathProgramCache]: Analyzing trace with hash -1255036747, now seen corresponding path program 1 times [2019-10-22 11:23:23,749 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:23:23,750 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [603947030] [2019-10-22 11:23:23,750 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:23,750 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:23,750 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:23:23,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:23:23,813 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 11:23:23,814 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [603947030] [2019-10-22 11:23:23,814 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:23:23,814 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-22 11:23:23,814 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1419557404] [2019-10-22 11:23:23,815 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 11:23:23,815 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:23:23,815 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 11:23:23,816 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 11:23:23,816 INFO L87 Difference]: Start difference. First operand 65 states and 87 transitions. Second operand 5 states. [2019-10-22 11:23:23,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:23:23,905 INFO L93 Difference]: Finished difference Result 170 states and 229 transitions. [2019-10-22 11:23:23,906 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-22 11:23:23,907 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 36 [2019-10-22 11:23:23,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:23:23,908 INFO L225 Difference]: With dead ends: 170 [2019-10-22 11:23:23,908 INFO L226 Difference]: Without dead ends: 112 [2019-10-22 11:23:23,909 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-10-22 11:23:23,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2019-10-22 11:23:23,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 67. [2019-10-22 11:23:23,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 67 states. [2019-10-22 11:23:23,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 89 transitions. [2019-10-22 11:23:23,934 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 89 transitions. Word has length 36 [2019-10-22 11:23:23,934 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:23:23,934 INFO L462 AbstractCegarLoop]: Abstraction has 67 states and 89 transitions. [2019-10-22 11:23:23,934 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 11:23:23,935 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 89 transitions. [2019-10-22 11:23:23,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-10-22 11:23:23,935 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:23:23,936 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] [2019-10-22 11:23:23,936 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:23:23,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:23:23,936 INFO L82 PathProgramCache]: Analyzing trace with hash 2018862195, now seen corresponding path program 1 times [2019-10-22 11:23:23,937 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:23:23,937 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1725809072] [2019-10-22 11:23:23,937 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:23,937 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:23,937 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:23:23,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:23:24,024 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 11:23:24,024 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1725809072] [2019-10-22 11:23:24,025 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:23:24,025 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 11:23:24,025 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [214439757] [2019-10-22 11:23:24,026 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 11:23:24,026 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:23:24,026 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 11:23:24,028 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:23:24,028 INFO L87 Difference]: Start difference. First operand 67 states and 89 transitions. Second operand 3 states. [2019-10-22 11:23:24,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:23:24,067 INFO L93 Difference]: Finished difference Result 154 states and 206 transitions. [2019-10-22 11:23:24,067 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 11:23:24,067 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 36 [2019-10-22 11:23:24,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:23:24,068 INFO L225 Difference]: With dead ends: 154 [2019-10-22 11:23:24,068 INFO L226 Difference]: Without dead ends: 94 [2019-10-22 11:23:24,069 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 1 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 11:23:24,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2019-10-22 11:23:24,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 94. [2019-10-22 11:23:24,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 94 states. [2019-10-22 11:23:24,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 122 transitions. [2019-10-22 11:23:24,096 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 122 transitions. Word has length 36 [2019-10-22 11:23:24,096 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:23:24,096 INFO L462 AbstractCegarLoop]: Abstraction has 94 states and 122 transitions. [2019-10-22 11:23:24,096 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 11:23:24,096 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 122 transitions. [2019-10-22 11:23:24,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-10-22 11:23:24,098 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:23:24,098 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] [2019-10-22 11:23:24,098 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:23:24,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:23:24,103 INFO L82 PathProgramCache]: Analyzing trace with hash 544383411, now seen corresponding path program 1 times [2019-10-22 11:23:24,103 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:23:24,103 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [552211188] [2019-10-22 11:23:24,104 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:24,104 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:24,104 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:23:24,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:23:24,216 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 11:23:24,217 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [552211188] [2019-10-22 11:23:24,217 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:23:24,217 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-22 11:23:24,218 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [629917553] [2019-10-22 11:23:24,218 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-22 11:23:24,219 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:23:24,219 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-22 11:23:24,220 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-10-22 11:23:24,221 INFO L87 Difference]: Start difference. First operand 94 states and 122 transitions. Second operand 6 states. [2019-10-22 11:23:24,452 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:23:24,453 INFO L93 Difference]: Finished difference Result 339 states and 457 transitions. [2019-10-22 11:23:24,453 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-22 11:23:24,453 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 37 [2019-10-22 11:23:24,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:23:24,455 INFO L225 Difference]: With dead ends: 339 [2019-10-22 11:23:24,455 INFO L226 Difference]: Without dead ends: 279 [2019-10-22 11:23:24,456 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2019-10-22 11:23:24,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 279 states. [2019-10-22 11:23:24,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 279 to 135. [2019-10-22 11:23:24,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 135 states. [2019-10-22 11:23:24,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 174 transitions. [2019-10-22 11:23:24,486 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 174 transitions. Word has length 37 [2019-10-22 11:23:24,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:23:24,487 INFO L462 AbstractCegarLoop]: Abstraction has 135 states and 174 transitions. [2019-10-22 11:23:24,487 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-22 11:23:24,487 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 174 transitions. [2019-10-22 11:23:24,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-10-22 11:23:24,488 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:23:24,489 INFO L380 BasicCegarLoop]: trace histogram [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, 1, 1, 1] [2019-10-22 11:23:24,489 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:23:24,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:23:24,489 INFO L82 PathProgramCache]: Analyzing trace with hash 167223140, now seen corresponding path program 1 times [2019-10-22 11:23:24,490 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:23:24,490 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1647956920] [2019-10-22 11:23:24,490 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:24,494 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:24,494 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:23:24,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:23:24,564 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:23:24,564 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1647956920] [2019-10-22 11:23:24,565 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [592970114] [2019-10-22 11:23:24,565 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6355a722-3fd1-49a0-a6b9-16af873bdd07/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 11:23:24,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:23:24,758 INFO L256 TraceCheckSpWp]: Trace formula consists of 416 conjuncts, 5 conjunts are in the unsatisfiable core [2019-10-22 11:23:24,765 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 11:23:24,824 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:23:24,825 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 11:23:24,857 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:23:24,858 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleAbstractInterpretation [737322769] [2019-10-22 11:23:24,864 INFO L211 CegarAbsIntRunner]: Running AI on error trace of length 55 [2019-10-22 11:23:24,922 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2019-10-22 11:23:24,922 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-22 11:23:25,338 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-22 11:23:25,338 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 11:23:25,344 INFO L168 Benchmark]: Toolchain (without parser) took 4699.48 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 233.8 MB). Free memory was 944.5 MB in the beginning and 1.2 GB in the end (delta: -227.0 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-10-22 11:23:25,345 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 966.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 11:23:25,345 INFO L168 Benchmark]: CACSL2BoogieTranslator took 635.31 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.8 MB). Free memory was 944.5 MB in the beginning and 1.1 GB in the end (delta: -177.0 MB). Peak memory consumption was 17.6 MB. Max. memory is 11.5 GB. [2019-10-22 11:23:25,347 INFO L168 Benchmark]: Boogie Procedure Inliner took 74.86 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 11:23:25,348 INFO L168 Benchmark]: Boogie Preprocessor took 36.99 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 11:23:25,348 INFO L168 Benchmark]: RCFGBuilder took 1049.26 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: 69.3 MB). Peak memory consumption was 69.3 MB. Max. memory is 11.5 GB. [2019-10-22 11:23:25,349 INFO L168 Benchmark]: TraceAbstraction took 2898.90 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 88.1 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -119.3 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 11:23:25,351 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 966.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 635.31 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.8 MB). Free memory was 944.5 MB in the beginning and 1.1 GB in the end (delta: -177.0 MB). Peak memory consumption was 17.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 74.86 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 36.99 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 1049.26 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: 69.3 MB). Peak memory consumption was 69.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2898.90 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 88.1 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -119.3 MB). There was no memory consumed. 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 11:23:27,391 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 11:23:27,393 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 11:23:27,406 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 11:23:27,407 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 11:23:27,408 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 11:23:27,410 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 11:23:27,412 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 11:23:27,414 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 11:23:27,416 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 11:23:27,417 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 11:23:27,418 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 11:23:27,424 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 11:23:27,425 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 11:23:27,426 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 11:23:27,427 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 11:23:27,427 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 11:23:27,428 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 11:23:27,429 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 11:23:27,433 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 11:23:27,435 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 11:23:27,439 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 11:23:27,441 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 11:23:27,443 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 11:23:27,446 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 11:23:27,449 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 11:23:27,450 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 11:23:27,450 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 11:23:27,451 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 11:23:27,452 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 11:23:27,452 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 11:23:27,452 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 11:23:27,453 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 11:23:27,454 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 11:23:27,457 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 11:23:27,457 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 11:23:27,458 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 11:23:27,458 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 11:23:27,458 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 11:23:27,459 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 11:23:27,460 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 11:23:27,461 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_6355a722-3fd1-49a0-a6b9-16af873bdd07/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2019-10-22 11:23:27,484 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 11:23:27,484 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 11:23:27,485 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-22 11:23:27,485 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-22 11:23:27,485 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-22 11:23:27,486 INFO L138 SettingsManager]: * Explicit value domain=true [2019-10-22 11:23:27,486 INFO L138 SettingsManager]: * Octagon Domain=false [2019-10-22 11:23:27,486 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-10-22 11:23:27,486 INFO L138 SettingsManager]: * Interval Domain=false [2019-10-22 11:23:27,487 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 11:23:27,487 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 11:23:27,487 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 11:23:27,487 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 11:23:27,487 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 11:23:27,487 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 11:23:27,488 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 11:23:27,488 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-10-22 11:23:27,488 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-10-22 11:23:27,488 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 11:23:27,488 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 11:23:27,488 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 11:23:27,488 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 11:23:27,489 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 11:23:27,489 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 11:23:27,489 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 11:23:27,489 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 11:23:27,489 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 11:23:27,489 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 11:23:27,490 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 11:23:27,490 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 11:23:27,490 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-10-22 11:23:27,490 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-10-22 11:23:27,490 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 11:23:27,490 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-22 11:23:27,490 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_6355a722-3fd1-49a0-a6b9-16af873bdd07/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 -> 532810884b5d2bf06b0b91e69513de04a1b641b8 [2019-10-22 11:23:27,519 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 11:23:27,530 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 11:23:27,533 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 11:23:27,535 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 11:23:27,535 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 11:23:27,536 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_6355a722-3fd1-49a0-a6b9-16af873bdd07/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec5_product42.cil.c [2019-10-22 11:23:27,588 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6355a722-3fd1-49a0-a6b9-16af873bdd07/bin/utaipan/data/a28b42826/bab9c380b0284ca5bbd99664f673257e/FLAG8a93670a4 [2019-10-22 11:23:28,113 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 11:23:28,116 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_6355a722-3fd1-49a0-a6b9-16af873bdd07/sv-benchmarks/c/product-lines/minepump_spec5_product42.cil.c [2019-10-22 11:23:28,133 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6355a722-3fd1-49a0-a6b9-16af873bdd07/bin/utaipan/data/a28b42826/bab9c380b0284ca5bbd99664f673257e/FLAG8a93670a4 [2019-10-22 11:23:28,385 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_6355a722-3fd1-49a0-a6b9-16af873bdd07/bin/utaipan/data/a28b42826/bab9c380b0284ca5bbd99664f673257e [2019-10-22 11:23:28,387 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 11:23:28,388 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 11:23:28,389 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 11:23:28,390 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 11:23:28,398 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 11:23:28,399 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:23:28" (1/1) ... [2019-10-22 11:23:28,402 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e626e81 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:28, skipping insertion in model container [2019-10-22 11:23:28,402 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:23:28" (1/1) ... [2019-10-22 11:23:28,410 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 11:23:28,458 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 11:23:28,829 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:23:28,914 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 11:23:29,023 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:23:29,054 INFO L192 MainTranslator]: Completed translation [2019-10-22 11:23:29,054 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:29 WrapperNode [2019-10-22 11:23:29,055 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 11:23:29,055 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 11:23:29,056 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 11:23:29,056 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 11:23:29,062 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:29" (1/1) ... [2019-10-22 11:23:29,079 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:29" (1/1) ... [2019-10-22 11:23:29,116 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 11:23:29,116 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 11:23:29,116 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 11:23:29,116 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 11:23:29,126 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:29" (1/1) ... [2019-10-22 11:23:29,126 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:29" (1/1) ... [2019-10-22 11:23:29,131 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:29" (1/1) ... [2019-10-22 11:23:29,131 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:29" (1/1) ... [2019-10-22 11:23:29,142 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:29" (1/1) ... [2019-10-22 11:23:29,149 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:29" (1/1) ... [2019-10-22 11:23:29,152 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:29" (1/1) ... [2019-10-22 11:23:29,156 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 11:23:29,157 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 11:23:29,157 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 11:23:29,157 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 11:23:29,158 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:29" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6355a722-3fd1-49a0-a6b9-16af873bdd07/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 11:23:29,224 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 11:23:29,224 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2019-10-22 11:23:29,224 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 11:23:29,224 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 11:23:30,031 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 11:23:30,031 INFO L284 CfgBuilder]: Removed 130 assume(true) statements. [2019-10-22 11:23:30,032 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:23:30 BoogieIcfgContainer [2019-10-22 11:23:30,032 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 11:23:30,033 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 11:23:30,033 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 11:23:30,036 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 11:23:30,037 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 11:23:28" (1/3) ... [2019-10-22 11:23:30,037 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4305095b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:23:30, skipping insertion in model container [2019-10-22 11:23:30,038 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:29" (2/3) ... [2019-10-22 11:23:30,038 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4305095b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:23:30, skipping insertion in model container [2019-10-22 11:23:30,038 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:23:30" (3/3) ... [2019-10-22 11:23:30,040 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product42.cil.c [2019-10-22 11:23:30,049 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 11:23:30,058 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-10-22 11:23:30,068 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-10-22 11:23:30,099 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 11:23:30,100 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-22 11:23:30,100 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 11:23:30,100 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 11:23:30,101 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 11:23:30,101 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 11:23:30,101 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 11:23:30,101 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 11:23:30,119 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states. [2019-10-22 11:23:30,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-10-22 11:23:30,128 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:23:30,129 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:23:30,131 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:23:30,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:23:30,137 INFO L82 PathProgramCache]: Analyzing trace with hash 2002570515, now seen corresponding path program 1 times [2019-10-22 11:23:30,147 INFO L157 tionRefinementEngine]: Executing refinement strategy WALRUS [2019-10-22 11:23:30,148 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1491752820] [2019-10-22 11:23:30,148 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6355a722-3fd1-49a0-a6b9-16af873bdd07/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 11:23:30,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:23:30,328 INFO L256 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 1 conjunts are in the unsatisfiable core [2019-10-22 11:23:30,333 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 11:23:30,347 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 11:23:30,348 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 11:23:30,352 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 11:23:30,354 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1491752820] [2019-10-22 11:23:30,354 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:23:30,355 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-10-22 11:23:30,355 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [53863825] [2019-10-22 11:23:30,359 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-22 11:23:30,359 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-10-22 11:23:30,372 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-22 11:23:30,372 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-22 11:23:30,374 INFO L87 Difference]: Start difference. First operand 96 states. Second operand 2 states. [2019-10-22 11:23:30,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:23:30,404 INFO L93 Difference]: Finished difference Result 185 states and 274 transitions. [2019-10-22 11:23:30,405 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-22 11:23:30,406 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 19 [2019-10-22 11:23:30,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:23:30,416 INFO L225 Difference]: With dead ends: 185 [2019-10-22 11:23:30,416 INFO L226 Difference]: Without dead ends: 92 [2019-10-22 11:23:30,420 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 36 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 11:23:30,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2019-10-22 11:23:30,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 92. [2019-10-22 11:23:30,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 92 states. [2019-10-22 11:23:30,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 129 transitions. [2019-10-22 11:23:30,454 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 129 transitions. Word has length 19 [2019-10-22 11:23:30,454 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:23:30,454 INFO L462 AbstractCegarLoop]: Abstraction has 92 states and 129 transitions. [2019-10-22 11:23:30,455 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-22 11:23:30,455 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 129 transitions. [2019-10-22 11:23:30,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-10-22 11:23:30,456 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:23:30,456 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 11:23:30,656 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-10-22 11:23:30,657 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:23:30,657 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:23:30,657 INFO L82 PathProgramCache]: Analyzing trace with hash -486377228, now seen corresponding path program 1 times [2019-10-22 11:23:30,658 INFO L157 tionRefinementEngine]: Executing refinement strategy WALRUS [2019-10-22 11:23:30,658 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [146175050] [2019-10-22 11:23:30,658 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6355a722-3fd1-49a0-a6b9-16af873bdd07/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 11:23:30,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:23:30,813 INFO L256 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 2 conjunts are in the unsatisfiable core [2019-10-22 11:23:30,814 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 11:23:30,833 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 11:23:30,834 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 11:23:30,842 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 11:23:30,842 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [146175050] [2019-10-22 11:23:30,843 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:23:30,843 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2019-10-22 11:23:30,843 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1206181159] [2019-10-22 11:23:30,844 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 11:23:30,845 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-10-22 11:23:30,845 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 11:23:30,845 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-22 11:23:30,845 INFO L87 Difference]: Start difference. First operand 92 states and 129 transitions. Second operand 4 states. [2019-10-22 11:23:30,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:23:30,884 INFO L93 Difference]: Finished difference Result 177 states and 251 transitions. [2019-10-22 11:23:30,885 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 11:23:30,885 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 20 [2019-10-22 11:23:30,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:23:30,887 INFO L225 Difference]: With dead ends: 177 [2019-10-22 11:23:30,887 INFO L226 Difference]: Without dead ends: 92 [2019-10-22 11:23:30,888 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 36 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 11:23:30,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2019-10-22 11:23:30,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 92. [2019-10-22 11:23:30,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 92 states. [2019-10-22 11:23:30,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 126 transitions. [2019-10-22 11:23:30,901 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 126 transitions. Word has length 20 [2019-10-22 11:23:30,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:23:30,901 INFO L462 AbstractCegarLoop]: Abstraction has 92 states and 126 transitions. [2019-10-22 11:23:30,901 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 11:23:30,901 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 126 transitions. [2019-10-22 11:23:30,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-10-22 11:23:30,903 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:23:30,903 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] [2019-10-22 11:23:31,103 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-10-22 11:23:31,104 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:23:31,104 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:23:31,104 INFO L82 PathProgramCache]: Analyzing trace with hash 655642946, now seen corresponding path program 1 times [2019-10-22 11:23:31,105 INFO L157 tionRefinementEngine]: Executing refinement strategy WALRUS [2019-10-22 11:23:31,105 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [451441488] [2019-10-22 11:23:31,105 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6355a722-3fd1-49a0-a6b9-16af873bdd07/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 11:23:31,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:23:31,266 INFO L256 TraceCheckSpWp]: Trace formula consists of 182 conjuncts, 2 conjunts are in the unsatisfiable core [2019-10-22 11:23:31,267 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 11:23:31,274 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 11:23:31,274 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 11:23:31,277 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:23:31,277 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [451441488] [2019-10-22 11:23:31,277 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:23:31,278 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2019-10-22 11:23:31,278 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [773370575] [2019-10-22 11:23:31,278 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 11:23:31,279 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-10-22 11:23:31,279 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 11:23:31,279 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:23:31,279 INFO L87 Difference]: Start difference. First operand 92 states and 126 transitions. Second operand 3 states. [2019-10-22 11:23:31,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:23:31,404 INFO L93 Difference]: Finished difference Result 232 states and 319 transitions. [2019-10-22 11:23:31,404 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 11:23:31,404 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 21 [2019-10-22 11:23:31,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:23:31,406 INFO L225 Difference]: With dead ends: 232 [2019-10-22 11:23:31,406 INFO L226 Difference]: Without dead ends: 147 [2019-10-22 11:23:31,407 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 39 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 11:23:31,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2019-10-22 11:23:31,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 141. [2019-10-22 11:23:31,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 141 states. [2019-10-22 11:23:31,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 191 transitions. [2019-10-22 11:23:31,425 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 191 transitions. Word has length 21 [2019-10-22 11:23:31,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:23:31,426 INFO L462 AbstractCegarLoop]: Abstraction has 141 states and 191 transitions. [2019-10-22 11:23:31,426 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 11:23:31,426 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 191 transitions. [2019-10-22 11:23:31,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-10-22 11:23:31,427 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:23:31,427 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] [2019-10-22 11:23:31,628 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-10-22 11:23:31,628 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:23:31,629 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:23:31,629 INFO L82 PathProgramCache]: Analyzing trace with hash -843747346, now seen corresponding path program 1 times [2019-10-22 11:23:31,629 INFO L157 tionRefinementEngine]: Executing refinement strategy WALRUS [2019-10-22 11:23:31,630 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1045445252] [2019-10-22 11:23:31,630 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6355a722-3fd1-49a0-a6b9-16af873bdd07/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 11:23:31,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:23:31,785 INFO L256 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 5 conjunts are in the unsatisfiable core [2019-10-22 11:23:31,786 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 11:23:31,806 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 11:23:31,806 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 11:23:31,815 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 11:23:31,816 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1045445252] [2019-10-22 11:23:31,816 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:23:31,816 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2019-10-22 11:23:31,816 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [643095779] [2019-10-22 11:23:31,817 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 11:23:31,817 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-10-22 11:23:31,817 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 11:23:31,818 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 11:23:31,818 INFO L87 Difference]: Start difference. First operand 141 states and 191 transitions. Second operand 5 states. [2019-10-22 11:23:32,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:23:32,177 INFO L93 Difference]: Finished difference Result 498 states and 674 transitions. [2019-10-22 11:23:32,178 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-22 11:23:32,178 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 27 [2019-10-22 11:23:32,178 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:23:32,180 INFO L225 Difference]: With dead ends: 498 [2019-10-22 11:23:32,180 INFO L226 Difference]: Without dead ends: 364 [2019-10-22 11:23:32,181 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 52 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 11:23:32,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 364 states. [2019-10-22 11:23:32,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 364 to 138. [2019-10-22 11:23:32,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 138 states. [2019-10-22 11:23:32,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 182 transitions. [2019-10-22 11:23:32,219 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 182 transitions. Word has length 27 [2019-10-22 11:23:32,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:23:32,219 INFO L462 AbstractCegarLoop]: Abstraction has 138 states and 182 transitions. [2019-10-22 11:23:32,219 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 11:23:32,219 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 182 transitions. [2019-10-22 11:23:32,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-10-22 11:23:32,220 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:23:32,220 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:23:32,423 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-10-22 11:23:32,424 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:23:32,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:23:32,424 INFO L82 PathProgramCache]: Analyzing trace with hash 502251890, now seen corresponding path program 1 times [2019-10-22 11:23:32,424 INFO L157 tionRefinementEngine]: Executing refinement strategy WALRUS [2019-10-22 11:23:32,425 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [504652388] [2019-10-22 11:23:32,425 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6355a722-3fd1-49a0-a6b9-16af873bdd07/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 11:23:32,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:23:32,576 INFO L256 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 5 conjunts are in the unsatisfiable core [2019-10-22 11:23:32,578 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 11:23:32,598 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 11:23:32,598 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 11:23:32,603 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 11:23:32,603 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [504652388] [2019-10-22 11:23:32,604 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:23:32,604 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2019-10-22 11:23:32,604 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1824177947] [2019-10-22 11:23:32,604 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 11:23:32,605 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-10-22 11:23:32,605 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 11:23:32,605 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 11:23:32,605 INFO L87 Difference]: Start difference. First operand 138 states and 182 transitions. Second operand 5 states. [2019-10-22 11:23:32,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:23:32,765 INFO L93 Difference]: Finished difference Result 367 states and 478 transitions. [2019-10-22 11:23:32,768 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-22 11:23:32,768 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 30 [2019-10-22 11:23:32,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:23:32,770 INFO L225 Difference]: With dead ends: 367 [2019-10-22 11:23:32,770 INFO L226 Difference]: Without dead ends: 236 [2019-10-22 11:23:32,770 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 57 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 11:23:32,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2019-10-22 11:23:32,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 147. [2019-10-22 11:23:32,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 147 states. [2019-10-22 11:23:32,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 191 transitions. [2019-10-22 11:23:32,801 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 191 transitions. Word has length 30 [2019-10-22 11:23:32,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:23:32,801 INFO L462 AbstractCegarLoop]: Abstraction has 147 states and 191 transitions. [2019-10-22 11:23:32,801 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 11:23:32,801 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 191 transitions. [2019-10-22 11:23:32,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-10-22 11:23:32,806 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:23:32,806 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:23:33,006 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-10-22 11:23:33,008 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:23:33,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:23:33,009 INFO L82 PathProgramCache]: Analyzing trace with hash -508865360, now seen corresponding path program 1 times [2019-10-22 11:23:33,010 INFO L157 tionRefinementEngine]: Executing refinement strategy WALRUS [2019-10-22 11:23:33,010 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1628104655] [2019-10-22 11:23:33,010 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6355a722-3fd1-49a0-a6b9-16af873bdd07/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 11:23:33,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:23:33,173 INFO L256 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 5 conjunts are in the unsatisfiable core [2019-10-22 11:23:33,174 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 11:23:33,190 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 11:23:33,190 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 11:23:33,216 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 11:23:33,216 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1628104655] [2019-10-22 11:23:33,217 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:23:33,217 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2019-10-22 11:23:33,217 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [78349473] [2019-10-22 11:23:33,217 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-22 11:23:33,217 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-10-22 11:23:33,218 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-22 11:23:33,218 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-10-22 11:23:33,226 INFO L87 Difference]: Start difference. First operand 147 states and 191 transitions. Second operand 6 states. [2019-10-22 11:23:33,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:23:33,327 INFO L93 Difference]: Finished difference Result 394 states and 505 transitions. [2019-10-22 11:23:33,329 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-22 11:23:33,329 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 30 [2019-10-22 11:23:33,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:23:33,331 INFO L225 Difference]: With dead ends: 394 [2019-10-22 11:23:33,331 INFO L226 Difference]: Without dead ends: 254 [2019-10-22 11:23:33,332 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 55 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 11:23:33,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 254 states. [2019-10-22 11:23:33,355 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 254 to 153. [2019-10-22 11:23:33,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 153 states. [2019-10-22 11:23:33,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 197 transitions. [2019-10-22 11:23:33,356 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 197 transitions. Word has length 30 [2019-10-22 11:23:33,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:23:33,356 INFO L462 AbstractCegarLoop]: Abstraction has 153 states and 197 transitions. [2019-10-22 11:23:33,356 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-22 11:23:33,356 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 197 transitions. [2019-10-22 11:23:33,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-10-22 11:23:33,357 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:23:33,357 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:23:33,558 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-10-22 11:23:33,558 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:23:33,558 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:23:33,559 INFO L82 PathProgramCache]: Analyzing trace with hash -1529933714, now seen corresponding path program 1 times [2019-10-22 11:23:33,559 INFO L157 tionRefinementEngine]: Executing refinement strategy WALRUS [2019-10-22 11:23:33,559 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1421973710] [2019-10-22 11:23:33,559 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6355a722-3fd1-49a0-a6b9-16af873bdd07/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 11:23:33,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:23:33,787 INFO L256 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 2 conjunts are in the unsatisfiable core [2019-10-22 11:23:33,788 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 11:23:33,800 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 11:23:33,800 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 11:23:33,811 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 11:23:33,812 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1421973710] [2019-10-22 11:23:33,812 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:23:33,812 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2019-10-22 11:23:33,812 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1931051689] [2019-10-22 11:23:33,812 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 11:23:33,813 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-10-22 11:23:33,813 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 11:23:33,813 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-22 11:23:33,813 INFO L87 Difference]: Start difference. First operand 153 states and 197 transitions. Second operand 4 states. [2019-10-22 11:23:33,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:23:33,824 INFO L93 Difference]: Finished difference Result 153 states and 197 transitions. [2019-10-22 11:23:33,824 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 11:23:33,824 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 30 [2019-10-22 11:23:33,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:23:33,825 INFO L225 Difference]: With dead ends: 153 [2019-10-22 11:23:33,825 INFO L226 Difference]: Without dead ends: 67 [2019-10-22 11:23:33,826 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 56 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 11:23:33,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2019-10-22 11:23:33,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67. [2019-10-22 11:23:33,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 67 states. [2019-10-22 11:23:33,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 89 transitions. [2019-10-22 11:23:33,839 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 89 transitions. Word has length 30 [2019-10-22 11:23:33,840 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:23:33,841 INFO L462 AbstractCegarLoop]: Abstraction has 67 states and 89 transitions. [2019-10-22 11:23:33,841 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 11:23:33,841 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 89 transitions. [2019-10-22 11:23:33,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-10-22 11:23:33,842 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:23:33,842 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] [2019-10-22 11:23:34,045 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-10-22 11:23:34,046 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:23:34,046 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:23:34,046 INFO L82 PathProgramCache]: Analyzing trace with hash 2018862195, now seen corresponding path program 1 times [2019-10-22 11:23:34,046 INFO L157 tionRefinementEngine]: Executing refinement strategy WALRUS [2019-10-22 11:23:34,046 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1426342438] [2019-10-22 11:23:34,047 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6355a722-3fd1-49a0-a6b9-16af873bdd07/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 11:23:34,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:23:34,239 INFO L256 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 2 conjunts are in the unsatisfiable core [2019-10-22 11:23:34,241 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 11:23:34,256 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 11:23:34,256 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 11:23:34,271 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 11:23:34,272 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1426342438] [2019-10-22 11:23:34,272 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:23:34,272 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2019-10-22 11:23:34,272 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [387218194] [2019-10-22 11:23:34,272 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 11:23:34,273 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-10-22 11:23:34,273 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 11:23:34,273 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-22 11:23:34,273 INFO L87 Difference]: Start difference. First operand 67 states and 89 transitions. Second operand 4 states. [2019-10-22 11:23:34,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:23:34,322 INFO L93 Difference]: Finished difference Result 204 states and 275 transitions. [2019-10-22 11:23:34,324 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-22 11:23:34,324 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 36 [2019-10-22 11:23:34,324 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:23:34,325 INFO L225 Difference]: With dead ends: 204 [2019-10-22 11:23:34,325 INFO L226 Difference]: Without dead ends: 144 [2019-10-22 11:23:34,325 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 68 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 11:23:34,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2019-10-22 11:23:34,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 115. [2019-10-22 11:23:34,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115 states. [2019-10-22 11:23:34,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 154 transitions. [2019-10-22 11:23:34,341 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 154 transitions. Word has length 36 [2019-10-22 11:23:34,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:23:34,342 INFO L462 AbstractCegarLoop]: Abstraction has 115 states and 154 transitions. [2019-10-22 11:23:34,342 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 11:23:34,342 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 154 transitions. [2019-10-22 11:23:34,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-10-22 11:23:34,345 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:23:34,345 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] [2019-10-22 11:23:34,545 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-10-22 11:23:34,546 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:23:34,546 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:23:34,546 INFO L82 PathProgramCache]: Analyzing trace with hash 544383411, now seen corresponding path program 1 times [2019-10-22 11:23:34,546 INFO L157 tionRefinementEngine]: Executing refinement strategy WALRUS [2019-10-22 11:23:34,546 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [2058636328] [2019-10-22 11:23:34,546 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6355a722-3fd1-49a0-a6b9-16af873bdd07/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 11:23:34,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:23:34,671 INFO L256 TraceCheckSpWp]: Trace formula consists of 208 conjuncts, 6 conjunts are in the unsatisfiable core [2019-10-22 11:23:34,672 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 11:23:34,703 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:23:34,703 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 11:23:34,711 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 11:23:34,711 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [2058636328] [2019-10-22 11:23:34,711 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:23:34,711 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2019-10-22 11:23:34,712 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1661084097] [2019-10-22 11:23:34,712 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-22 11:23:34,712 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-10-22 11:23:34,712 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-22 11:23:34,713 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-22 11:23:34,715 INFO L87 Difference]: Start difference. First operand 115 states and 154 transitions. Second operand 6 states. [2019-10-22 11:23:35,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:23:35,074 INFO L93 Difference]: Finished difference Result 539 states and 732 transitions. [2019-10-22 11:23:35,075 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-10-22 11:23:35,075 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 37 [2019-10-22 11:23:35,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:23:35,077 INFO L225 Difference]: With dead ends: 539 [2019-10-22 11:23:35,077 INFO L226 Difference]: Without dead ends: 431 [2019-10-22 11:23:35,078 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2019-10-22 11:23:35,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 431 states. [2019-10-22 11:23:35,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 431 to 214. [2019-10-22 11:23:35,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 214 states. [2019-10-22 11:23:35,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 214 states and 283 transitions. [2019-10-22 11:23:35,113 INFO L78 Accepts]: Start accepts. Automaton has 214 states and 283 transitions. Word has length 37 [2019-10-22 11:23:35,114 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:23:35,114 INFO L462 AbstractCegarLoop]: Abstraction has 214 states and 283 transitions. [2019-10-22 11:23:35,114 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-22 11:23:35,114 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 283 transitions. [2019-10-22 11:23:35,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-10-22 11:23:35,115 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:23:35,115 INFO L380 BasicCegarLoop]: trace histogram [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, 1, 1, 1] [2019-10-22 11:23:35,316 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-10-22 11:23:35,316 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:23:35,316 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:23:35,316 INFO L82 PathProgramCache]: Analyzing trace with hash 167223140, now seen corresponding path program 1 times [2019-10-22 11:23:35,317 INFO L157 tionRefinementEngine]: Executing refinement strategy WALRUS [2019-10-22 11:23:35,317 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1448336234] [2019-10-22 11:23:35,317 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6355a722-3fd1-49a0-a6b9-16af873bdd07/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 11:23:35,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:23:35,473 INFO L256 TraceCheckSpWp]: Trace formula consists of 229 conjuncts, 8 conjunts are in the unsatisfiable core [2019-10-22 11:23:35,475 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 11:23:35,509 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:23:35,509 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 11:23:35,539 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:23:35,541 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1448336234] [2019-10-22 11:23:35,542 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [242187613] [2019-10-22 11:23:35,542 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6355a722-3fd1-49a0-a6b9-16af873bdd07/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 11:23:35,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:23:35,650 INFO L256 TraceCheckSpWp]: Trace formula consists of 229 conjuncts, 5 conjunts are in the unsatisfiable core [2019-10-22 11:23:35,652 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 11:23:35,661 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:23:35,662 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 11:23:35,667 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:23:35,667 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 4 imperfect interpolant sequences. [2019-10-22 11:23:35,667 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5, 5] total 9 [2019-10-22 11:23:35,668 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [245468620] [2019-10-22 11:23:35,668 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-22 11:23:35,668 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-10-22 11:23:35,668 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-22 11:23:35,669 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2019-10-22 11:23:35,669 INFO L87 Difference]: Start difference. First operand 214 states and 283 transitions. Second operand 9 states. [2019-10-22 11:23:35,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:23:35,913 INFO L93 Difference]: Finished difference Result 367 states and 493 transitions. [2019-10-22 11:23:35,913 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-22 11:23:35,914 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 54 [2019-10-22 11:23:35,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:23:35,914 INFO L225 Difference]: With dead ends: 367 [2019-10-22 11:23:35,915 INFO L226 Difference]: Without dead ends: 0 [2019-10-22 11:23:35,916 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 217 GetRequests, 207 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2019-10-22 11:23:35,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-22 11:23:35,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-22 11:23:35,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-22 11:23:35,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-22 11:23:35,917 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 54 [2019-10-22 11:23:35,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:23:35,917 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 11:23:35,917 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-22 11:23:35,917 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-22 11:23:35,917 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-22 11:23:36,318 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 11:23:36,321 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-22 11:23:36,500 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 63 [2019-10-22 11:23:37,112 WARN L191 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 32 [2019-10-22 11:23:37,400 WARN L191 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 30 [2019-10-22 11:23:37,718 WARN L191 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 31 [2019-10-22 11:23:37,824 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 30 [2019-10-22 11:23:38,098 INFO L443 ceAbstractionStarter]: For program point L746(lines 746 759) no Hoare annotation was computed. [2019-10-22 11:23:38,098 INFO L443 ceAbstractionStarter]: For program point L201(line 201) no Hoare annotation was computed. [2019-10-22 11:23:38,098 INFO L443 ceAbstractionStarter]: For program point L201-1(line 201) no Hoare annotation was computed. [2019-10-22 11:23:38,098 INFO L443 ceAbstractionStarter]: For program point L201-2(line 201) no Hoare annotation was computed. [2019-10-22 11:23:38,099 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-10-22 11:23:38,099 INFO L439 ceAbstractionStarter]: At program point L879(lines 872 882) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= (_ bv2 32) ~waterLevel~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-10-22 11:23:38,099 INFO L439 ceAbstractionStarter]: At program point L879-1(lines 872 882) the Hoare annotation is: false [2019-10-22 11:23:38,099 INFO L439 ceAbstractionStarter]: At program point L879-2(lines 872 882) the Hoare annotation is: false [2019-10-22 11:23:38,099 INFO L443 ceAbstractionStarter]: For program point L70(lines 70 87) no Hoare annotation was computed. [2019-10-22 11:23:38,099 INFO L439 ceAbstractionStarter]: At program point L70-1(lines 1 954) the Hoare annotation is: (let ((.cse0 (= (_ bv1 32) ~pumpRunning~0)) (.cse4 (= (_ bv2 32) ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~0)) (.cse5 (= (_ bv2 32) ~waterLevel~0)) (.cse6 (= (_ bv2 32) |ULTIMATE.start_getWaterLevel_#res|)) (.cse7 (= (_ bv0 32) ~pumpRunning~0)) (.cse1 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse2 (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 (= (_ bv1 32) ~switchedOnBeforeTS~0) (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|) .cse1 .cse2 .cse3) (and .cse4 .cse0 .cse5 .cse1 .cse2 .cse3 .cse6) (and .cse4 .cse7 .cse5 .cse1 .cse2 .cse3 .cse6) (and .cse7 .cse1 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) .cse2 .cse3))) [2019-10-22 11:23:38,100 INFO L443 ceAbstractionStarter]: For program point L70-2(lines 70 87) no Hoare annotation was computed. [2019-10-22 11:23:38,100 INFO L439 ceAbstractionStarter]: At program point L70-3(lines 1 954) the Hoare annotation is: false [2019-10-22 11:23:38,100 INFO L443 ceAbstractionStarter]: For program point L70-4(lines 70 87) no Hoare annotation was computed. [2019-10-22 11:23:38,100 INFO L439 ceAbstractionStarter]: At program point L70-5(lines 1 954) the Hoare annotation is: false [2019-10-22 11:23:38,100 INFO L439 ceAbstractionStarter]: At program point L764(lines 715 765) the Hoare annotation is: false [2019-10-22 11:23:38,100 INFO L439 ceAbstractionStarter]: At program point L236(lines 231 239) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-10-22 11:23:38,100 INFO L439 ceAbstractionStarter]: At program point L104-2(lines 104 118) the Hoare annotation is: false [2019-10-22 11:23:38,100 INFO L439 ceAbstractionStarter]: At program point L699(lines 690 703) the Hoare annotation is: (let ((.cse0 (= (_ bv0 32) ~pumpRunning~0)) (.cse1 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse2 (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|))) (or (and .cse0 (= (_ bv2 32) ~waterLevel~0) .cse1 .cse2 .cse3) (and (and (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (and (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) .cse0 .cse1 .cse3)) .cse2))) [2019-10-22 11:23:38,100 INFO L439 ceAbstractionStarter]: At program point L699-1(lines 690 703) the Hoare annotation is: false [2019-10-22 11:23:38,100 INFO L439 ceAbstractionStarter]: At program point L699-2(lines 690 703) the Hoare annotation is: false [2019-10-22 11:23:38,100 INFO L443 ceAbstractionStarter]: For program point L617(lines 617 621) no Hoare annotation was computed. [2019-10-22 11:23:38,101 INFO L443 ceAbstractionStarter]: For program point L105(line 105) no Hoare annotation was computed. [2019-10-22 11:23:38,101 INFO L443 ceAbstractionStarter]: For program point L617-3(lines 617 621) no Hoare annotation was computed. [2019-10-22 11:23:38,101 INFO L443 ceAbstractionStarter]: For program point L617-6(lines 617 621) no Hoare annotation was computed. [2019-10-22 11:23:38,101 INFO L439 ceAbstractionStarter]: At program point L155(lines 151 157) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-10-22 11:23:38,101 INFO L443 ceAbstractionStarter]: For program point L717(lines 716 763) no Hoare annotation was computed. [2019-10-22 11:23:38,101 INFO L443 ceAbstractionStarter]: For program point L817(lines 817 834) no Hoare annotation was computed. [2019-10-22 11:23:38,101 INFO L443 ceAbstractionStarter]: For program point L817-1(lines 817 834) no Hoare annotation was computed. [2019-10-22 11:23:38,101 INFO L443 ceAbstractionStarter]: For program point L817-2(lines 817 834) no Hoare annotation was computed. [2019-10-22 11:23:38,101 INFO L443 ceAbstractionStarter]: For program point L718(lines 718 722) no Hoare annotation was computed. [2019-10-22 11:23:38,101 INFO L443 ceAbstractionStarter]: For program point L74(lines 74 84) no Hoare annotation was computed. [2019-10-22 11:23:38,101 INFO L443 ceAbstractionStarter]: For program point L74-2(lines 74 84) no Hoare annotation was computed. [2019-10-22 11:23:38,101 INFO L443 ceAbstractionStarter]: For program point L74-4(lines 74 84) no Hoare annotation was computed. [2019-10-22 11:23:38,101 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-22 11:23:38,102 INFO L439 ceAbstractionStarter]: At program point L785(lines 781 803) the Hoare annotation is: (let ((.cse1 (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|)) (.cse3 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and (= (_ bv1 32) ~pumpRunning~0) (= (_ bv1 32) ~switchedOnBeforeTS~0) (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|) .cse0 .cse1 .cse2) (and (and .cse3 (= (_ bv2 32) ~waterLevel~0) .cse0 .cse2) .cse1) (and .cse1 (and (and .cse3 .cse0 .cse2) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)))))) [2019-10-22 11:23:38,102 INFO L439 ceAbstractionStarter]: At program point L785-1(lines 781 803) the Hoare annotation is: false [2019-10-22 11:23:38,102 INFO L439 ceAbstractionStarter]: At program point L785-2(lines 781 803) the Hoare annotation is: false [2019-10-22 11:23:38,102 INFO L439 ceAbstractionStarter]: At program point L686(lines 681 689) the Hoare annotation is: (let ((.cse0 (= (_ bv1 32) ~pumpRunning~0)) (.cse6 (= (_ bv0 32) ~pumpRunning~0)) (.cse4 (= (_ bv2 32) ~waterLevel~0)) (.cse1 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse2 (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse5 (= (_ bv2 32) |ULTIMATE.start_getWaterLevel_#res|))) (or (and .cse0 (= (_ bv1 32) ~switchedOnBeforeTS~0) (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|) .cse1 .cse2 .cse3) (and .cse0 .cse4 .cse1 .cse2 .cse3 .cse5) (and .cse6 .cse1 .cse2 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) .cse3) (and .cse6 .cse4 .cse1 .cse2 .cse3 .cse5))) [2019-10-22 11:23:38,102 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 201) no Hoare annotation was computed. [2019-10-22 11:23:38,102 INFO L439 ceAbstractionStarter]: At program point L686-1(lines 681 689) the Hoare annotation is: false [2019-10-22 11:23:38,107 INFO L443 ceAbstractionStarter]: For program point L108(lines 108 112) no Hoare annotation was computed. [2019-10-22 11:23:38,107 INFO L439 ceAbstractionStarter]: At program point L686-2(lines 681 689) the Hoare annotation is: false [2019-10-22 11:23:38,107 INFO L443 ceAbstractionStarter]: For program point L75(lines 75 81) no Hoare annotation was computed. [2019-10-22 11:23:38,107 INFO L443 ceAbstractionStarter]: For program point L108-1(lines 108 112) no Hoare annotation was computed. [2019-10-22 11:23:38,107 INFO L443 ceAbstractionStarter]: For program point L75-2(lines 75 81) no Hoare annotation was computed. [2019-10-22 11:23:38,107 INFO L443 ceAbstractionStarter]: For program point L75-4(lines 75 81) no Hoare annotation was computed. [2019-10-22 11:23:38,107 INFO L443 ceAbstractionStarter]: For program point L736(lines 736 742) no Hoare annotation was computed. [2019-10-22 11:23:38,108 INFO L439 ceAbstractionStarter]: At program point L736-1(lines 736 742) the Hoare annotation is: (let ((.cse4 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= (_ bv1 32) ~pumpRunning~0)) (.cse5 (= (_ bv2 32) ~waterLevel~0)) (.cse1 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse2 (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 (= (_ bv1 32) ~switchedOnBeforeTS~0) (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|) .cse1 .cse2 .cse3) (and .cse4 .cse5 .cse1 .cse2 .cse3) (and .cse4 .cse1 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) .cse2 .cse3) (and .cse0 .cse5 .cse1 .cse2 .cse3))) [2019-10-22 11:23:38,108 INFO L439 ceAbstractionStarter]: At program point L59(lines 785 791) the Hoare annotation is: (let ((.cse0 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)))) (let ((.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse3 (and (= (_ bv0 32) ~pumpRunning~0) (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|) .cse0)) (.cse1 (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|))) (or (and (= (_ bv1 32) ~pumpRunning~0) (= (_ bv1 32) ~switchedOnBeforeTS~0) (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|) .cse0 .cse1 .cse2) (and (and (= (_ bv2 32) ~waterLevel~0) .cse2 .cse3) .cse1) (and (and (and .cse2 .cse3) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) .cse1)))) [2019-10-22 11:23:38,108 INFO L439 ceAbstractionStarter]: At program point L59-1(lines 785 791) the Hoare annotation is: false [2019-10-22 11:23:38,108 INFO L439 ceAbstractionStarter]: At program point L59-2(lines 785 791) the Hoare annotation is: false [2019-10-22 11:23:38,108 INFO L439 ceAbstractionStarter]: At program point L654(lines 649 657) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= (_ bv2 32) ~waterLevel~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-10-22 11:23:38,108 INFO L439 ceAbstractionStarter]: At program point L654-1(lines 649 657) the Hoare annotation is: false [2019-10-22 11:23:38,108 INFO L439 ceAbstractionStarter]: At program point L654-2(lines 649 657) the Hoare annotation is: false [2019-10-22 11:23:38,108 INFO L446 ceAbstractionStarter]: At program point L192(lines 173 195) the Hoare annotation is: true [2019-10-22 11:23:38,108 INFO L443 ceAbstractionStarter]: For program point L754(lines 754 758) no Hoare annotation was computed. [2019-10-22 11:23:38,108 INFO L439 ceAbstractionStarter]: At program point L754-2(lines 754 758) the Hoare annotation is: (let ((.cse4 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= (_ bv1 32) ~pumpRunning~0)) (.cse5 (= (_ bv2 32) ~waterLevel~0)) (.cse1 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse2 (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 (= (_ bv1 32) ~switchedOnBeforeTS~0) (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|) .cse1 .cse2 .cse3) (and .cse4 .cse5 .cse1 .cse2 .cse3) (and .cse4 .cse1 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) .cse2 .cse3) (and .cse0 .cse5 .cse1 .cse2 .cse3))) [2019-10-22 11:23:38,109 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-22 11:23:38,109 INFO L443 ceAbstractionStarter]: For program point L854(lines 854 860) no Hoare annotation was computed. [2019-10-22 11:23:38,109 INFO L443 ceAbstractionStarter]: For program point L821(lines 821 829) no Hoare annotation was computed. [2019-10-22 11:23:38,109 INFO L443 ceAbstractionStarter]: For program point L821-1(lines 821 829) no Hoare annotation was computed. [2019-10-22 11:23:38,109 INFO L443 ceAbstractionStarter]: For program point L854-2(lines 854 860) no Hoare annotation was computed. [2019-10-22 11:23:38,109 INFO L443 ceAbstractionStarter]: For program point L821-2(lines 821 829) no Hoare annotation was computed. [2019-10-22 11:23:38,109 INFO L443 ceAbstractionStarter]: For program point L854-4(lines 854 860) no Hoare annotation was computed. [2019-10-22 11:23:38,109 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 201) no Hoare annotation was computed. [2019-10-22 11:23:38,109 INFO L443 ceAbstractionStarter]: For program point L937(lines 937 941) no Hoare annotation was computed. [2019-10-22 11:23:38,109 INFO L443 ceAbstractionStarter]: For program point L937-2(lines 937 941) no Hoare annotation was computed. [2019-10-22 11:23:38,109 INFO L443 ceAbstractionStarter]: For program point L937-3(lines 937 941) no Hoare annotation was computed. [2019-10-22 11:23:38,109 INFO L443 ceAbstractionStarter]: For program point L937-5(lines 937 941) no Hoare annotation was computed. [2019-10-22 11:23:38,109 INFO L443 ceAbstractionStarter]: For program point L937-6(lines 937 941) no Hoare annotation was computed. [2019-10-22 11:23:38,109 INFO L443 ceAbstractionStarter]: For program point L937-8(lines 937 941) no Hoare annotation was computed. [2019-10-22 11:23:38,110 INFO L439 ceAbstractionStarter]: At program point L888(lines 883 891) the Hoare annotation is: (let ((.cse2 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)))) (let ((.cse0 (= (_ bv1 32) ~pumpRunning~0)) (.cse1 (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|)) (.cse5 (= (_ bv2 32) ~waterLevel~0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse6 (and (= (_ bv0 32) ~pumpRunning~0) (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|) .cse2)) (.cse3 (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|))) (or (and .cse0 (= (_ bv1 32) ~switchedOnBeforeTS~0) .cse1 .cse2 .cse3 .cse4) (and (and .cse5 .cse4 .cse6) .cse3) (and .cse0 .cse1 .cse5 .cse2 .cse3 .cse4) (and (and (and .cse4 .cse6) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) .cse3)))) [2019-10-22 11:23:38,110 INFO L439 ceAbstractionStarter]: At program point L888-1(lines 883 891) the Hoare annotation is: (let ((.cse1 (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|)) (.cse0 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and (= (_ bv1 32) ~pumpRunning~0) (= (_ bv1 32) ~switchedOnBeforeTS~0) (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|) .cse0 .cse1 .cse2) (and .cse1 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (and (= (_ bv0 32) ~pumpRunning~0) (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|) .cse0) .cse2))) [2019-10-22 11:23:38,110 INFO L439 ceAbstractionStarter]: At program point L888-2(lines 883 891) the Hoare annotation is: false [2019-10-22 11:23:38,110 INFO L439 ceAbstractionStarter]: At program point L888-3(lines 883 891) the Hoare annotation is: false [2019-10-22 11:23:38,110 INFO L439 ceAbstractionStarter]: At program point L888-4(lines 883 891) the Hoare annotation is: false [2019-10-22 11:23:38,110 INFO L439 ceAbstractionStarter]: At program point L888-5(lines 883 891) the Hoare annotation is: false [2019-10-22 11:23:38,113 INFO L439 ceAbstractionStarter]: At program point L228(lines 1 954) 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 11:23:38,113 INFO L443 ceAbstractionStarter]: For program point L641(lines 641 645) no Hoare annotation was computed. [2019-10-22 11:23:38,113 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 201) no Hoare annotation was computed. [2019-10-22 11:23:38,113 INFO L443 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-10-22 11:23:38,113 INFO L439 ceAbstractionStarter]: At program point L792(lines 792 798) the Hoare annotation is: (let ((.cse4 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= (_ bv1 32) ~pumpRunning~0)) (.cse5 (= (_ bv2 32) ~waterLevel~0)) (.cse1 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse2 (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 (= (_ bv1 32) ~switchedOnBeforeTS~0) (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|) .cse1 .cse2 .cse3) (and (and .cse4 .cse5 .cse1 .cse3) .cse2) (and .cse2 (and (and .cse4 .cse1 .cse3) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)))) (and .cse0 .cse5 .cse1 .cse2 .cse3))) [2019-10-22 11:23:38,114 INFO L439 ceAbstractionStarter]: At program point L792-1(lines 792 798) the Hoare annotation is: false [2019-10-22 11:23:38,114 INFO L443 ceAbstractionStarter]: For program point L726(lines 726 732) no Hoare annotation was computed. [2019-10-22 11:23:38,114 INFO L439 ceAbstractionStarter]: At program point L792-2(lines 792 798) the Hoare annotation is: false [2019-10-22 11:23:38,114 INFO L439 ceAbstractionStarter]: At program point L726-1(lines 726 732) the Hoare annotation is: (let ((.cse4 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= (_ bv1 32) ~pumpRunning~0)) (.cse5 (= (_ bv2 32) ~waterLevel~0)) (.cse1 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse2 (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 (= (_ bv1 32) ~switchedOnBeforeTS~0) (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|) .cse1 .cse2 .cse3) (and .cse4 .cse5 .cse1 .cse2 .cse3) (and .cse4 .cse1 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) .cse2 .cse3) (and .cse0 .cse5 .cse1 .cse2 .cse3))) [2019-10-22 11:23:38,114 INFO L439 ceAbstractionStarter]: At program point L49(lines 44 51) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-10-22 11:23:38,114 INFO L443 ceAbstractionStarter]: For program point L694(lines 694 700) no Hoare annotation was computed. [2019-10-22 11:23:38,114 INFO L443 ceAbstractionStarter]: For program point L694-1(lines 694 700) no Hoare annotation was computed. [2019-10-22 11:23:38,114 INFO L443 ceAbstractionStarter]: For program point L694-2(lines 694 700) no Hoare annotation was computed. [2019-10-22 11:23:38,114 INFO L443 ceAbstractionStarter]: For program point L183(lines 183 190) no Hoare annotation was computed. [2019-10-22 11:23:38,114 INFO L446 ceAbstractionStarter]: At program point L183-1(lines 183 190) the Hoare annotation is: true [2019-10-22 11:23:38,114 INFO L443 ceAbstractionStarter]: For program point L629(lines 629 633) no Hoare annotation was computed. [2019-10-22 11:23:38,114 INFO L439 ceAbstractionStarter]: At program point L943(lines 928 946) the Hoare annotation is: (let ((.cse0 (= (_ bv0 32) ~pumpRunning~0)) (.cse1 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse2 (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|))) (or (and .cse0 (= (_ bv2 32) ~waterLevel~0) .cse1 .cse2 .cse3) (and (and (and (and (= ULTIMATE.start_isHighWaterLevel_~tmp___0~2 (_ bv0 32)) .cse0 (not (= ULTIMATE.start_isHighWaterLevel_~tmp~8 (_ bv0 32))) (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv0 32)) .cse1) .cse3) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) .cse2))) [2019-10-22 11:23:38,114 INFO L439 ceAbstractionStarter]: At program point L943-1(lines 928 946) the Hoare annotation is: false [2019-10-22 11:23:38,115 INFO L439 ceAbstractionStarter]: At program point L943-2(lines 928 946) the Hoare annotation is: false [2019-10-22 11:23:38,158 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 11:23:38 BoogieIcfgContainer [2019-10-22 11:23:38,158 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-22 11:23:38,159 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 11:23:38,159 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 11:23:38,159 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 11:23:38,159 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:23:30" (3/4) ... [2019-10-22 11:23:38,167 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-10-22 11:23:38,187 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-10-22 11:23:38,189 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-10-22 11:23:38,189 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2019-10-22 11:23:38,190 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-10-22 11:23:38,190 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-10-22 11:23:38,191 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-10-22 11:23:38,222 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((0bv32 == pumpRunning && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 [2019-10-22 11:23:38,225 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((0bv32 == pumpRunning && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 [2019-10-22 11:23:38,225 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((0bv32 == pumpRunning && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 [2019-10-22 11:23:38,225 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((1bv32 == pumpRunning && 1bv32 == switchedOnBeforeTS) && 1bv32 == \result) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result) && splverifierCounter == 0bv32) || ((((((2bv32 == tmp && 1bv32 == pumpRunning) && 2bv32 == waterLevel) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result) && splverifierCounter == 0bv32) && 2bv32 == \result)) || ((((((2bv32 == tmp && 0bv32 == pumpRunning) && 2bv32 == waterLevel) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result) && splverifierCounter == 0bv32) && 2bv32 == \result)) || ((((0bv32 == pumpRunning && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result) && splverifierCounter == 0bv32) [2019-10-22 11:23:38,225 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((1bv32 == pumpRunning && 1bv32 == switchedOnBeforeTS) && 1bv32 == \result) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result) && splverifierCounter == 0bv32) || ((((0bv32 == pumpRunning && 2bv32 == waterLevel) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result) && splverifierCounter == 0bv32)) || ((((0bv32 == pumpRunning && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result) && splverifierCounter == 0bv32)) || ((((1bv32 == pumpRunning && 2bv32 == waterLevel) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result) && splverifierCounter == 0bv32) [2019-10-22 11:23:38,225 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((1bv32 == pumpRunning && 1bv32 == switchedOnBeforeTS) && 1bv32 == \result) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result) && splverifierCounter == 0bv32) || ((((0bv32 == pumpRunning && 2bv32 == waterLevel) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result) && splverifierCounter == 0bv32)) || ((((0bv32 == pumpRunning && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result) && splverifierCounter == 0bv32)) || ((((1bv32 == pumpRunning && 2bv32 == waterLevel) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result) && splverifierCounter == 0bv32) [2019-10-22 11:23:38,226 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((1bv32 == pumpRunning && 1bv32 == switchedOnBeforeTS) && 1bv32 == \result) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result) && splverifierCounter == 0bv32) || ((((0bv32 == pumpRunning && 2bv32 == waterLevel) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result) && splverifierCounter == 0bv32)) || ((((0bv32 == pumpRunning && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result) && splverifierCounter == 0bv32)) || ((((1bv32 == pumpRunning && 2bv32 == waterLevel) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result) && splverifierCounter == 0bv32) [2019-10-22 11:23:38,226 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((1bv32 == pumpRunning && 1bv32 == switchedOnBeforeTS) && 1bv32 == \result) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result) && splverifierCounter == 0bv32) || (((2bv32 == waterLevel && splverifierCounter == 0bv32) && (0bv32 == pumpRunning && 0bv32 == \result) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result)) || (((((1bv32 == pumpRunning && 1bv32 == \result) && 2bv32 == waterLevel) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result) && splverifierCounter == 0bv32)) || (((splverifierCounter == 0bv32 && (0bv32 == pumpRunning && 0bv32 == \result) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result) [2019-10-22 11:23:38,226 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1bv32 == pumpRunning && 1bv32 == switchedOnBeforeTS) && 1bv32 == \result) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result) && splverifierCounter == 0bv32) || (((2bv32 == waterLevel && splverifierCounter == 0bv32) && (0bv32 == pumpRunning && 0bv32 == \result) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result)) || (((splverifierCounter == 0bv32 && (0bv32 == pumpRunning && 0bv32 == \result) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result) [2019-10-22 11:23:38,226 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1bv32 == pumpRunning && 1bv32 == switchedOnBeforeTS) && 1bv32 == \result) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result) && splverifierCounter == 0bv32) || ((((0bv32 == pumpRunning && 2bv32 == waterLevel) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) && 1bv32 == \result)) || (1bv32 == \result && ((0bv32 == pumpRunning && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) [2019-10-22 11:23:38,227 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((1bv32 == pumpRunning && 1bv32 == switchedOnBeforeTS) && 1bv32 == \result) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result) && splverifierCounter == 0bv32) || ((((0bv32 == pumpRunning && 2bv32 == waterLevel) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) && 1bv32 == \result)) || (1bv32 == \result && ((0bv32 == pumpRunning && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32)) || ((((1bv32 == pumpRunning && 2bv32 == waterLevel) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result) && splverifierCounter == 0bv32) [2019-10-22 11:23:38,227 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((1bv32 == pumpRunning && 1bv32 == switchedOnBeforeTS) && 1bv32 == \result) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result) && splverifierCounter == 0bv32) || (((((1bv32 == pumpRunning && 2bv32 == waterLevel) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result) && splverifierCounter == 0bv32) && 2bv32 == \result)) || ((((0bv32 == pumpRunning && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32)) || (((((0bv32 == pumpRunning && 2bv32 == waterLevel) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result) && splverifierCounter == 0bv32) && 2bv32 == \result) [2019-10-22 11:23:38,228 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((0bv32 == pumpRunning && 2bv32 == waterLevel) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result) && splverifierCounter == 0bv32) || ((~bvadd64(waterLevel, 4294967295bv32) == 0bv32 && ((1bv32 == \result && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) && 1bv32 == \result) [2019-10-22 11:23:38,228 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1bv32 == pumpRunning && 1bv32 == switchedOnBeforeTS) && 1bv32 == \result) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result) && splverifierCounter == 0bv32) || (((1bv32 == \result && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && (0bv32 == pumpRunning && 0bv32 == \result) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) [2019-10-22 11:23:38,228 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((0bv32 == pumpRunning && 2bv32 == waterLevel) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result) && splverifierCounter == 0bv32) || (((((((tmp___0 == 0bv32 && 0bv32 == pumpRunning) && !(tmp == 0bv32)) && \result == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result) [2019-10-22 11:23:38,229 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((0bv32 == pumpRunning && 2bv32 == waterLevel) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result) && splverifierCounter == 0bv32 [2019-10-22 11:23:38,229 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((0bv32 == pumpRunning && 2bv32 == waterLevel) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result) && splverifierCounter == 0bv32 [2019-10-22 11:23:38,281 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_6355a722-3fd1-49a0-a6b9-16af873bdd07/bin/utaipan/witness.graphml [2019-10-22 11:23:38,281 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 11:23:38,283 INFO L168 Benchmark]: Toolchain (without parser) took 9894.46 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 289.9 MB). Free memory was 952.3 MB in the beginning and 1.1 GB in the end (delta: -130.4 MB). Peak memory consumption was 159.6 MB. Max. memory is 11.5 GB. [2019-10-22 11:23:38,283 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 977.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 11:23:38,283 INFO L168 Benchmark]: CACSL2BoogieTranslator took 665.75 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 157.3 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -191.2 MB). Peak memory consumption was 24.6 MB. Max. memory is 11.5 GB. [2019-10-22 11:23:38,284 INFO L168 Benchmark]: Boogie Procedure Inliner took 60.36 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.4 MB). Peak memory consumption was 6.4 MB. Max. memory is 11.5 GB. [2019-10-22 11:23:38,284 INFO L168 Benchmark]: Boogie Preprocessor took 40.20 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 11:23:38,284 INFO L168 Benchmark]: RCFGBuilder took 875.85 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: 69.4 MB). Peak memory consumption was 69.4 MB. Max. memory is 11.5 GB. [2019-10-22 11:23:38,284 INFO L168 Benchmark]: TraceAbstraction took 8125.07 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 132.6 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -37.3 MB). Peak memory consumption was 295.9 MB. Max. memory is 11.5 GB. [2019-10-22 11:23:38,285 INFO L168 Benchmark]: Witness Printer took 122.58 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 16.9 MB). Peak memory consumption was 16.9 MB. Max. memory is 11.5 GB. [2019-10-22 11:23:38,286 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 977.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 665.75 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 157.3 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -191.2 MB). Peak memory consumption was 24.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 60.36 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.4 MB). Peak memory consumption was 6.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 40.20 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 875.85 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: 69.4 MB). Peak memory consumption was 69.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 8125.07 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 132.6 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -37.3 MB). Peak memory consumption was 295.9 MB. Max. memory is 11.5 GB. * Witness Printer took 122.58 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 16.9 MB). Peak memory consumption was 16.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 201]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 201]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 201]: 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: 928]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 872]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 649]: Loop Invariant Derived loop invariant: (((0bv32 == pumpRunning && 2bv32 == waterLevel) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result) && splverifierCounter == 0bv32 - InvariantResult [Line: 151]: Loop Invariant Derived loop invariant: ((0bv32 == pumpRunning && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 - InvariantResult [Line: 883]: Loop Invariant Derived loop invariant: (((((((1bv32 == pumpRunning && 1bv32 == switchedOnBeforeTS) && 1bv32 == \result) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result) && splverifierCounter == 0bv32) || (((2bv32 == waterLevel && splverifierCounter == 0bv32) && (0bv32 == pumpRunning && 0bv32 == \result) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result)) || (((((1bv32 == pumpRunning && 1bv32 == \result) && 2bv32 == waterLevel) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result) && splverifierCounter == 0bv32)) || (((splverifierCounter == 0bv32 && (0bv32 == pumpRunning && 0bv32 == \result) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result) - InvariantResult [Line: 649]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 928]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 872]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 104]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 44]: Loop Invariant Derived loop invariant: ((0bv32 == pumpRunning && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 - InvariantResult [Line: 883]: Loop Invariant Derived loop invariant: (((((1bv32 == pumpRunning && 1bv32 == switchedOnBeforeTS) && 1bv32 == \result) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result) && splverifierCounter == 0bv32) || (((1bv32 == \result && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && (0bv32 == pumpRunning && 0bv32 == \result) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) - InvariantResult [Line: 649]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 883]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 883]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 736]: Loop Invariant Derived loop invariant: (((((((1bv32 == pumpRunning && 1bv32 == switchedOnBeforeTS) && 1bv32 == \result) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result) && splverifierCounter == 0bv32) || ((((0bv32 == pumpRunning && 2bv32 == waterLevel) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result) && splverifierCounter == 0bv32)) || ((((0bv32 == pumpRunning && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result) && splverifierCounter == 0bv32)) || ((((1bv32 == pumpRunning && 2bv32 == waterLevel) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result) && splverifierCounter == 0bv32) - InvariantResult [Line: 715]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 - InvariantResult [Line: 928]: Loop Invariant Derived loop invariant: ((((0bv32 == pumpRunning && 2bv32 == waterLevel) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result) && splverifierCounter == 0bv32) || (((((((tmp___0 == 0bv32 && 0bv32 == pumpRunning) && !(tmp == 0bv32)) && \result == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result) - InvariantResult [Line: 872]: Loop Invariant Derived loop invariant: (((0bv32 == pumpRunning && 2bv32 == waterLevel) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result) && splverifierCounter == 0bv32 - InvariantResult [Line: 785]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 690]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 681]: Loop Invariant Derived loop invariant: (((((((1bv32 == pumpRunning && 1bv32 == switchedOnBeforeTS) && 1bv32 == \result) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result) && splverifierCounter == 0bv32) || (((((1bv32 == pumpRunning && 2bv32 == waterLevel) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result) && splverifierCounter == 0bv32) && 2bv32 == \result)) || ((((0bv32 == pumpRunning && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32)) || (((((0bv32 == pumpRunning && 2bv32 == waterLevel) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result) && splverifierCounter == 0bv32) && 2bv32 == \result) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((((1bv32 == pumpRunning && 1bv32 == switchedOnBeforeTS) && 1bv32 == \result) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result) && splverifierCounter == 0bv32) || ((((((2bv32 == tmp && 1bv32 == pumpRunning) && 2bv32 == waterLevel) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result) && splverifierCounter == 0bv32) && 2bv32 == \result)) || ((((((2bv32 == tmp && 0bv32 == pumpRunning) && 2bv32 == waterLevel) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result) && splverifierCounter == 0bv32) && 2bv32 == \result)) || ((((0bv32 == pumpRunning && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result) && splverifierCounter == 0bv32) - InvariantResult [Line: 785]: Loop Invariant Derived loop invariant: ((((((1bv32 == pumpRunning && 1bv32 == switchedOnBeforeTS) && 1bv32 == \result) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result) && splverifierCounter == 0bv32) || (((2bv32 == waterLevel && splverifierCounter == 0bv32) && (0bv32 == pumpRunning && 0bv32 == \result) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result)) || (((splverifierCounter == 0bv32 && (0bv32 == pumpRunning && 0bv32 == \result) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result) - InvariantResult [Line: 792]: Loop Invariant Derived loop invariant: (((((((1bv32 == pumpRunning && 1bv32 == switchedOnBeforeTS) && 1bv32 == \result) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result) && splverifierCounter == 0bv32) || ((((0bv32 == pumpRunning && 2bv32 == waterLevel) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) && 1bv32 == \result)) || (1bv32 == \result && ((0bv32 == pumpRunning && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32)) || ((((1bv32 == pumpRunning && 2bv32 == waterLevel) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result) && splverifierCounter == 0bv32) - InvariantResult [Line: 681]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 792]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 681]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 792]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 726]: Loop Invariant Derived loop invariant: (((((((1bv32 == pumpRunning && 1bv32 == switchedOnBeforeTS) && 1bv32 == \result) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result) && splverifierCounter == 0bv32) || ((((0bv32 == pumpRunning && 2bv32 == waterLevel) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result) && splverifierCounter == 0bv32)) || ((((0bv32 == pumpRunning && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result) && splverifierCounter == 0bv32)) || ((((1bv32 == pumpRunning && 2bv32 == waterLevel) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result) && splverifierCounter == 0bv32) - InvariantResult [Line: 883]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 173]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 883]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 183]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 231]: Loop Invariant Derived loop invariant: ((0bv32 == pumpRunning && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 - InvariantResult [Line: 781]: Loop Invariant Derived loop invariant: ((((((1bv32 == pumpRunning && 1bv32 == switchedOnBeforeTS) && 1bv32 == \result) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result) && splverifierCounter == 0bv32) || ((((0bv32 == pumpRunning && 2bv32 == waterLevel) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) && 1bv32 == \result)) || (1bv32 == \result && ((0bv32 == pumpRunning && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) - InvariantResult [Line: 690]: Loop Invariant Derived loop invariant: ((((0bv32 == pumpRunning && 2bv32 == waterLevel) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result) && splverifierCounter == 0bv32) || ((~bvadd64(waterLevel, 4294967295bv32) == 0bv32 && ((1bv32 == \result && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) && 1bv32 == \result) - InvariantResult [Line: 781]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 754]: Loop Invariant Derived loop invariant: (((((((1bv32 == pumpRunning && 1bv32 == switchedOnBeforeTS) && 1bv32 == \result) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result) && splverifierCounter == 0bv32) || ((((0bv32 == pumpRunning && 2bv32 == waterLevel) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result) && splverifierCounter == 0bv32)) || ((((0bv32 == pumpRunning && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result) && splverifierCounter == 0bv32)) || ((((1bv32 == pumpRunning && 2bv32 == waterLevel) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result) && splverifierCounter == 0bv32) - InvariantResult [Line: 690]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 785]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 781]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 96 locations, 3 error locations. Result: SAFE, OverallTime: 8.0s, OverallIterations: 10, TraceHistogramMax: 2, AutomataDifference: 1.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.7s, HoareTripleCheckerStatistics: 1242 SDtfs, 1793 SDslu, 1974 SDs, 0 SdLazy, 353 SolverSat, 99 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 717 GetRequests, 674 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=214occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 10 MinimizatonAttempts, 668 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 44 LocationsWithAnnotation, 44 PreInvPairs, 114 NumberOfFragments, 984 HoareAnnotationTreeSize, 44 FomulaSimplifications, 26476 FormulaSimplificationTreeSizeReduction, 0.5s HoareSimplificationTime, 44 FomulaSimplificationsInter, 2871 FormulaSimplificationTreeSizeReductionInter, 1.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 358 NumberOfCodeBlocks, 358 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 694 ConstructedInterpolants, 0 QuantifiedInterpolants, 51362 SizeOfPredicates, 27 NumberOfNonLiveVariables, 2204 ConjunctsInSsa, 43 ConjunctsInUnsatCore, 22 InterpolantComputations, 18 PerfectInterpolantSequences, 52/64 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...