./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product55.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_e98053ef-90c2-41ab-8f27-34cecaf5ed7e/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_e98053ef-90c2-41ab-8f27-34cecaf5ed7e/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_e98053ef-90c2-41ab-8f27-34cecaf5ed7e/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_e98053ef-90c2-41ab-8f27-34cecaf5ed7e/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product55.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_e98053ef-90c2-41ab-8f27-34cecaf5ed7e/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_e98053ef-90c2-41ab-8f27-34cecaf5ed7e/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 9385f61fe99e17c8ecdfdd2ac56623ca621310c3 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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_e98053ef-90c2-41ab-8f27-34cecaf5ed7e/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_e98053ef-90c2-41ab-8f27-34cecaf5ed7e/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_e98053ef-90c2-41ab-8f27-34cecaf5ed7e/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_e98053ef-90c2-41ab-8f27-34cecaf5ed7e/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product55.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_e98053ef-90c2-41ab-8f27-34cecaf5ed7e/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_e98053ef-90c2-41ab-8f27-34cecaf5ed7e/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 9385f61fe99e17c8ecdfdd2ac56623ca621310c3 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 11:26:38,013 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 11:26:38,014 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 11:26:38,024 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 11:26:38,024 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 11:26:38,025 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 11:26:38,026 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 11:26:38,028 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 11:26:38,029 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 11:26:38,030 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 11:26:38,031 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 11:26:38,032 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 11:26:38,032 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 11:26:38,033 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 11:26:38,033 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 11:26:38,034 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 11:26:38,035 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 11:26:38,036 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 11:26:38,037 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 11:26:38,038 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 11:26:38,040 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 11:26:38,040 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 11:26:38,041 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 11:26:38,042 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 11:26:38,044 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 11:26:38,044 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 11:26:38,044 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 11:26:38,045 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 11:26:38,046 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 11:26:38,046 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 11:26:38,047 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 11:26:38,047 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 11:26:38,048 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 11:26:38,048 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 11:26:38,050 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 11:26:38,050 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 11:26:38,051 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 11:26:38,051 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 11:26:38,051 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 11:26:38,052 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 11:26:38,052 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 11:26:38,053 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_e98053ef-90c2-41ab-8f27-34cecaf5ed7e/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-10-22 11:26:38,064 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 11:26:38,064 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 11:26:38,065 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-22 11:26:38,065 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-22 11:26:38,065 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-22 11:26:38,065 INFO L138 SettingsManager]: * Explicit value domain=true [2019-10-22 11:26:38,065 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-10-22 11:26:38,065 INFO L138 SettingsManager]: * Octagon Domain=false [2019-10-22 11:26:38,066 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-10-22 11:26:38,066 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-10-22 11:26:38,066 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-10-22 11:26:38,066 INFO L138 SettingsManager]: * Interval Domain=false [2019-10-22 11:26:38,067 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 11:26:38,067 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 11:26:38,067 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 11:26:38,067 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 11:26:38,068 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 11:26:38,068 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 11:26:38,068 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 11:26:38,068 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 11:26:38,068 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 11:26:38,068 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 11:26:38,068 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 11:26:38,069 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 11:26:38,069 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 11:26:38,069 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 11:26:38,069 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 11:26:38,069 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 11:26:38,069 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 11:26:38,070 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 11:26:38,070 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 11:26:38,070 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-10-22 11:26:38,070 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 11:26:38,070 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 11:26:38,070 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-22 11:26:38,070 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_e98053ef-90c2-41ab-8f27-34cecaf5ed7e/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 -> 9385f61fe99e17c8ecdfdd2ac56623ca621310c3 [2019-10-22 11:26:38,094 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 11:26:38,103 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 11:26:38,106 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 11:26:38,107 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 11:26:38,107 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 11:26:38,108 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_e98053ef-90c2-41ab-8f27-34cecaf5ed7e/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec4_product55.cil.c [2019-10-22 11:26:38,164 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e98053ef-90c2-41ab-8f27-34cecaf5ed7e/bin/utaipan/data/225813a53/5b6eb857736f4106821219e94ec1cbc8/FLAG96bfd8474 [2019-10-22 11:26:38,616 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 11:26:38,616 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_e98053ef-90c2-41ab-8f27-34cecaf5ed7e/sv-benchmarks/c/product-lines/minepump_spec4_product55.cil.c [2019-10-22 11:26:38,631 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e98053ef-90c2-41ab-8f27-34cecaf5ed7e/bin/utaipan/data/225813a53/5b6eb857736f4106821219e94ec1cbc8/FLAG96bfd8474 [2019-10-22 11:26:38,644 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_e98053ef-90c2-41ab-8f27-34cecaf5ed7e/bin/utaipan/data/225813a53/5b6eb857736f4106821219e94ec1cbc8 [2019-10-22 11:26:38,647 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 11:26:38,648 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 11:26:38,651 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 11:26:38,651 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 11:26:38,654 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 11:26:38,655 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:26:38" (1/1) ... [2019-10-22 11:26:38,657 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30031fa2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:38, skipping insertion in model container [2019-10-22 11:26:38,657 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:26:38" (1/1) ... [2019-10-22 11:26:38,663 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 11:26:38,694 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 11:26:39,031 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:26:39,049 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 11:26:39,133 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:26:39,159 INFO L192 MainTranslator]: Completed translation [2019-10-22 11:26:39,159 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:39 WrapperNode [2019-10-22 11:26:39,159 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 11:26:39,160 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 11:26:39,160 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 11:26:39,160 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 11:26:39,179 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:39" (1/1) ... [2019-10-22 11:26:39,196 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:39" (1/1) ... [2019-10-22 11:26:39,241 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 11:26:39,241 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 11:26:39,241 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 11:26:39,241 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 11:26:39,250 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:39" (1/1) ... [2019-10-22 11:26:39,250 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:39" (1/1) ... [2019-10-22 11:26:39,256 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:39" (1/1) ... [2019-10-22 11:26:39,256 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:39" (1/1) ... [2019-10-22 11:26:39,269 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:39" (1/1) ... [2019-10-22 11:26:39,289 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:39" (1/1) ... [2019-10-22 11:26:39,299 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:39" (1/1) ... [2019-10-22 11:26:39,303 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 11:26:39,304 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 11:26:39,304 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 11:26:39,304 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 11:26:39,305 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:39" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e98053ef-90c2-41ab-8f27-34cecaf5ed7e/bin/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 11:26:39,371 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 11:26:39,371 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-22 11:26:39,371 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 11:26:39,373 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 11:26:40,265 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 11:26:40,265 INFO L284 CfgBuilder]: Removed 280 assume(true) statements. [2019-10-22 11:26:40,266 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:26:40 BoogieIcfgContainer [2019-10-22 11:26:40,266 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 11:26:40,267 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 11:26:40,267 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 11:26:40,270 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 11:26:40,270 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 11:26:38" (1/3) ... [2019-10-22 11:26:40,271 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a42d459 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:26:40, skipping insertion in model container [2019-10-22 11:26:40,271 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:39" (2/3) ... [2019-10-22 11:26:40,271 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a42d459 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:26:40, skipping insertion in model container [2019-10-22 11:26:40,271 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:26:40" (3/3) ... [2019-10-22 11:26:40,273 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product55.cil.c [2019-10-22 11:26:40,281 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 11:26:40,296 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-10-22 11:26:40,306 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-10-22 11:26:40,327 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 11:26:40,327 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-22 11:26:40,328 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 11:26:40,328 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 11:26:40,328 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 11:26:40,328 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 11:26:40,328 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 11:26:40,329 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 11:26:40,344 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states. [2019-10-22 11:26:40,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-10-22 11:26:40,350 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:26:40,351 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:26:40,353 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:26:40,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:26:40,357 INFO L82 PathProgramCache]: Analyzing trace with hash 1084846627, now seen corresponding path program 1 times [2019-10-22 11:26:40,363 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:26:40,363 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [975808635] [2019-10-22 11:26:40,364 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:26:40,364 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:26:40,364 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:26:40,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:26:40,562 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:26:40,562 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [975808635] [2019-10-22 11:26:40,563 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:26:40,563 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 11:26:40,564 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [275701853] [2019-10-22 11:26:40,567 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-22 11:26:40,568 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:26:40,578 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-22 11:26:40,578 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-22 11:26:40,579 INFO L87 Difference]: Start difference. First operand 191 states. Second operand 2 states. [2019-10-22 11:26:40,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:26:40,616 INFO L93 Difference]: Finished difference Result 376 states and 575 transitions. [2019-10-22 11:26:40,616 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-22 11:26:40,617 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2019-10-22 11:26:40,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:26:40,628 INFO L225 Difference]: With dead ends: 376 [2019-10-22 11:26:40,628 INFO L226 Difference]: Without dead ends: 187 [2019-10-22 11:26:40,631 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 11:26:40,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states. [2019-10-22 11:26:40,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 187. [2019-10-22 11:26:40,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 187 states. [2019-10-22 11:26:40,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 187 states and 279 transitions. [2019-10-22 11:26:40,681 INFO L78 Accepts]: Start accepts. Automaton has 187 states and 279 transitions. Word has length 16 [2019-10-22 11:26:40,681 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:26:40,681 INFO L462 AbstractCegarLoop]: Abstraction has 187 states and 279 transitions. [2019-10-22 11:26:40,681 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-22 11:26:40,681 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 279 transitions. [2019-10-22 11:26:40,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-10-22 11:26:40,682 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:26:40,682 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:26:40,683 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:26:40,683 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:26:40,683 INFO L82 PathProgramCache]: Analyzing trace with hash 38089730, now seen corresponding path program 1 times [2019-10-22 11:26:40,683 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:26:40,683 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1257420984] [2019-10-22 11:26:40,684 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:26:40,684 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:26:40,684 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:26:40,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:26:40,814 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:26:40,814 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1257420984] [2019-10-22 11:26:40,815 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:26:40,815 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 11:26:40,815 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [231295574] [2019-10-22 11:26:40,816 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 11:26:40,816 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:26:40,817 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 11:26:40,817 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:26:40,817 INFO L87 Difference]: Start difference. First operand 187 states and 279 transitions. Second operand 3 states. [2019-10-22 11:26:40,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:26:40,832 INFO L93 Difference]: Finished difference Result 187 states and 279 transitions. [2019-10-22 11:26:40,832 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 11:26:40,832 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2019-10-22 11:26:40,832 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:26:40,833 INFO L225 Difference]: With dead ends: 187 [2019-10-22 11:26:40,833 INFO L226 Difference]: Without dead ends: 73 [2019-10-22 11:26:40,834 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 11:26:40,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2019-10-22 11:26:40,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2019-10-22 11:26:40,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 73 states. [2019-10-22 11:26:40,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 108 transitions. [2019-10-22 11:26:40,840 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 108 transitions. Word has length 17 [2019-10-22 11:26:40,840 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:26:40,841 INFO L462 AbstractCegarLoop]: Abstraction has 73 states and 108 transitions. [2019-10-22 11:26:40,841 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 11:26:40,841 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 108 transitions. [2019-10-22 11:26:40,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-10-22 11:26:40,841 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:26:40,842 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] [2019-10-22 11:26:40,842 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:26:40,842 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:26:40,842 INFO L82 PathProgramCache]: Analyzing trace with hash -1082167242, now seen corresponding path program 1 times [2019-10-22 11:26:40,842 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:26:40,842 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1800025633] [2019-10-22 11:26:40,843 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:26:40,844 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:26:40,844 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:26:40,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:26:40,955 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:26:40,955 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1800025633] [2019-10-22 11:26:40,956 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:26:40,956 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-22 11:26:40,956 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [219494989] [2019-10-22 11:26:40,956 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-22 11:26:40,956 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:26:40,957 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-22 11:26:40,957 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-10-22 11:26:40,957 INFO L87 Difference]: Start difference. First operand 73 states and 108 transitions. Second operand 6 states. [2019-10-22 11:26:41,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:26:41,081 INFO L93 Difference]: Finished difference Result 230 states and 346 transitions. [2019-10-22 11:26:41,083 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-22 11:26:41,083 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 22 [2019-10-22 11:26:41,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:26:41,084 INFO L225 Difference]: With dead ends: 230 [2019-10-22 11:26:41,084 INFO L226 Difference]: Without dead ends: 163 [2019-10-22 11:26:41,085 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-10-22 11:26:41,085 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states. [2019-10-22 11:26:41,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 92. [2019-10-22 11:26:41,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 92 states. [2019-10-22 11:26:41,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 137 transitions. [2019-10-22 11:26:41,102 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 137 transitions. Word has length 22 [2019-10-22 11:26:41,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:26:41,102 INFO L462 AbstractCegarLoop]: Abstraction has 92 states and 137 transitions. [2019-10-22 11:26:41,102 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-22 11:26:41,103 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 137 transitions. [2019-10-22 11:26:41,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-10-22 11:26:41,108 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:26:41,108 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:26:41,108 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:26:41,109 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:26:41,109 INFO L82 PathProgramCache]: Analyzing trace with hash 1933185311, now seen corresponding path program 1 times [2019-10-22 11:26:41,109 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:26:41,109 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1904055285] [2019-10-22 11:26:41,109 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:26:41,110 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:26:41,110 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:26:41,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:26:41,202 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:26:41,202 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1904055285] [2019-10-22 11:26:41,202 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:26:41,202 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 11:26:41,202 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [887262011] [2019-10-22 11:26:41,203 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 11:26:41,203 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:26:41,203 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 11:26:41,204 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:26:41,204 INFO L87 Difference]: Start difference. First operand 92 states and 137 transitions. Second operand 3 states. [2019-10-22 11:26:41,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:26:41,261 INFO L93 Difference]: Finished difference Result 187 states and 280 transitions. [2019-10-22 11:26:41,261 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 11:26:41,261 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 25 [2019-10-22 11:26:41,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:26:41,262 INFO L225 Difference]: With dead ends: 187 [2019-10-22 11:26:41,262 INFO L226 Difference]: Without dead ends: 101 [2019-10-22 11:26:41,263 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 11:26:41,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2019-10-22 11:26:41,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 99. [2019-10-22 11:26:41,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99 states. [2019-10-22 11:26:41,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 141 transitions. [2019-10-22 11:26:41,274 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 141 transitions. Word has length 25 [2019-10-22 11:26:41,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:26:41,275 INFO L462 AbstractCegarLoop]: Abstraction has 99 states and 141 transitions. [2019-10-22 11:26:41,277 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 11:26:41,277 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 141 transitions. [2019-10-22 11:26:41,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-10-22 11:26:41,278 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:26:41,278 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:26:41,278 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:26:41,278 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:26:41,278 INFO L82 PathProgramCache]: Analyzing trace with hash 2034893835, now seen corresponding path program 1 times [2019-10-22 11:26:41,279 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:26:41,279 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1246024480] [2019-10-22 11:26:41,279 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:26:41,279 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:26:41,279 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:26:41,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:26:41,356 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:26:41,357 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1246024480] [2019-10-22 11:26:41,357 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:26:41,357 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 11:26:41,357 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [888635276] [2019-10-22 11:26:41,358 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 11:26:41,358 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:26:41,358 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 11:26:41,359 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 11:26:41,359 INFO L87 Difference]: Start difference. First operand 99 states and 141 transitions. Second operand 5 states. [2019-10-22 11:26:41,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:26:41,458 INFO L93 Difference]: Finished difference Result 345 states and 498 transitions. [2019-10-22 11:26:41,458 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-22 11:26:41,460 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2019-10-22 11:26:41,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:26:41,461 INFO L225 Difference]: With dead ends: 345 [2019-10-22 11:26:41,461 INFO L226 Difference]: Without dead ends: 252 [2019-10-22 11:26:41,462 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-10-22 11:26:41,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 252 states. [2019-10-22 11:26:41,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 252 to 159. [2019-10-22 11:26:41,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 159 states. [2019-10-22 11:26:41,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 221 transitions. [2019-10-22 11:26:41,494 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 221 transitions. Word has length 25 [2019-10-22 11:26:41,495 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:26:41,495 INFO L462 AbstractCegarLoop]: Abstraction has 159 states and 221 transitions. [2019-10-22 11:26:41,495 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 11:26:41,495 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 221 transitions. [2019-10-22 11:26:41,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-10-22 11:26:41,496 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:26:41,496 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:26:41,496 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:26:41,496 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:26:41,496 INFO L82 PathProgramCache]: Analyzing trace with hash 75584845, now seen corresponding path program 1 times [2019-10-22 11:26:41,497 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:26:41,497 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [939586716] [2019-10-22 11:26:41,497 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:26:41,497 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:26:41,497 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:26:41,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:26:41,567 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:26:41,568 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [939586716] [2019-10-22 11:26:41,568 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:26:41,568 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 11:26:41,568 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2010486105] [2019-10-22 11:26:41,568 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 11:26:41,569 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:26:41,569 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 11:26:41,569 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 11:26:41,569 INFO L87 Difference]: Start difference. First operand 159 states and 221 transitions. Second operand 5 states. [2019-10-22 11:26:41,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:26:41,717 INFO L93 Difference]: Finished difference Result 341 states and 483 transitions. [2019-10-22 11:26:41,720 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-22 11:26:41,721 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 26 [2019-10-22 11:26:41,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:26:41,722 INFO L225 Difference]: With dead ends: 341 [2019-10-22 11:26:41,722 INFO L226 Difference]: Without dead ends: 339 [2019-10-22 11:26:41,723 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 11:26:41,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 339 states. [2019-10-22 11:26:41,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 339 to 159. [2019-10-22 11:26:41,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 159 states. [2019-10-22 11:26:41,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 219 transitions. [2019-10-22 11:26:41,748 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 219 transitions. Word has length 26 [2019-10-22 11:26:41,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:26:41,749 INFO L462 AbstractCegarLoop]: Abstraction has 159 states and 219 transitions. [2019-10-22 11:26:41,749 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 11:26:41,749 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 219 transitions. [2019-10-22 11:26:41,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-10-22 11:26:41,750 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:26:41,750 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:26:41,750 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:26:41,750 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:26:41,750 INFO L82 PathProgramCache]: Analyzing trace with hash 1282530674, now seen corresponding path program 1 times [2019-10-22 11:26:41,751 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:26:41,756 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1643442943] [2019-10-22 11:26:41,756 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:26:41,756 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:26:41,756 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:26:41,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:26:41,829 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:26:41,830 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1643442943] [2019-10-22 11:26:41,830 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:26:41,830 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-22 11:26:41,830 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [250133335] [2019-10-22 11:26:41,831 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 11:26:41,831 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:26:41,831 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 11:26:41,831 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 11:26:41,831 INFO L87 Difference]: Start difference. First operand 159 states and 219 transitions. Second operand 5 states. [2019-10-22 11:26:41,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:26:41,925 INFO L93 Difference]: Finished difference Result 475 states and 651 transitions. [2019-10-22 11:26:41,925 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-22 11:26:41,925 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2019-10-22 11:26:41,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:26:41,927 INFO L225 Difference]: With dead ends: 475 [2019-10-22 11:26:41,927 INFO L226 Difference]: Without dead ends: 322 [2019-10-22 11:26:41,927 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-10-22 11:26:41,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 322 states. [2019-10-22 11:26:41,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 322 to 171. [2019-10-22 11:26:41,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 171 states. [2019-10-22 11:26:41,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 171 states and 231 transitions. [2019-10-22 11:26:41,943 INFO L78 Accepts]: Start accepts. Automaton has 171 states and 231 transitions. Word has length 32 [2019-10-22 11:26:41,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:26:41,944 INFO L462 AbstractCegarLoop]: Abstraction has 171 states and 231 transitions. [2019-10-22 11:26:41,944 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 11:26:41,944 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 231 transitions. [2019-10-22 11:26:41,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-10-22 11:26:41,945 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:26:41,945 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:26:41,945 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:26:41,945 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:26:41,946 INFO L82 PathProgramCache]: Analyzing trace with hash 889503664, now seen corresponding path program 1 times [2019-10-22 11:26:41,946 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:26:41,946 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [416710043] [2019-10-22 11:26:41,946 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:26:41,946 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:26:41,946 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:26:41,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:26:42,001 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:26:42,001 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [416710043] [2019-10-22 11:26:42,002 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:26:42,002 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-22 11:26:42,002 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1695524703] [2019-10-22 11:26:42,002 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-22 11:26:42,003 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:26:42,003 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-22 11:26:42,003 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-22 11:26:42,003 INFO L87 Difference]: Start difference. First operand 171 states and 231 transitions. Second operand 6 states. [2019-10-22 11:26:42,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:26:42,111 INFO L93 Difference]: Finished difference Result 447 states and 603 transitions. [2019-10-22 11:26:42,111 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-22 11:26:42,112 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 32 [2019-10-22 11:26:42,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:26:42,113 INFO L225 Difference]: With dead ends: 447 [2019-10-22 11:26:42,113 INFO L226 Difference]: Without dead ends: 282 [2019-10-22 11:26:42,113 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2019-10-22 11:26:42,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 282 states. [2019-10-22 11:26:42,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 282 to 157. [2019-10-22 11:26:42,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 157 states. [2019-10-22 11:26:42,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 208 transitions. [2019-10-22 11:26:42,136 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 208 transitions. Word has length 32 [2019-10-22 11:26:42,136 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:26:42,136 INFO L462 AbstractCegarLoop]: Abstraction has 157 states and 208 transitions. [2019-10-22 11:26:42,136 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-22 11:26:42,137 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 208 transitions. [2019-10-22 11:26:42,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-10-22 11:26:42,137 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:26:42,137 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:26:42,138 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:26:42,138 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:26:42,138 INFO L82 PathProgramCache]: Analyzing trace with hash 1147669102, now seen corresponding path program 1 times [2019-10-22 11:26:42,138 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:26:42,138 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1104458545] [2019-10-22 11:26:42,138 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:26:42,139 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:26:42,141 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:26:42,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:26:42,187 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:26:42,187 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1104458545] [2019-10-22 11:26:42,188 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:26:42,188 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-22 11:26:42,188 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1615838028] [2019-10-22 11:26:42,188 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 11:26:42,188 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:26:42,189 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 11:26:42,189 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 11:26:42,189 INFO L87 Difference]: Start difference. First operand 157 states and 208 transitions. Second operand 5 states. [2019-10-22 11:26:42,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:26:42,315 INFO L93 Difference]: Finished difference Result 422 states and 571 transitions. [2019-10-22 11:26:42,316 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-22 11:26:42,317 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2019-10-22 11:26:42,317 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:26:42,318 INFO L225 Difference]: With dead ends: 422 [2019-10-22 11:26:42,318 INFO L226 Difference]: Without dead ends: 314 [2019-10-22 11:26:42,319 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-10-22 11:26:42,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 314 states. [2019-10-22 11:26:42,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 314 to 221. [2019-10-22 11:26:42,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 221 states. [2019-10-22 11:26:42,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 221 states and 290 transitions. [2019-10-22 11:26:42,341 INFO L78 Accepts]: Start accepts. Automaton has 221 states and 290 transitions. Word has length 32 [2019-10-22 11:26:42,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:26:42,341 INFO L462 AbstractCegarLoop]: Abstraction has 221 states and 290 transitions. [2019-10-22 11:26:42,341 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 11:26:42,342 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 290 transitions. [2019-10-22 11:26:42,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-10-22 11:26:42,343 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:26:42,347 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:26:42,347 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:26:42,347 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:26:42,348 INFO L82 PathProgramCache]: Analyzing trace with hash 1597254592, now seen corresponding path program 1 times [2019-10-22 11:26:42,348 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:26:42,348 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2118240513] [2019-10-22 11:26:42,348 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:26:42,348 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:26:42,348 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:26:42,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:26:42,431 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:26:42,432 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2118240513] [2019-10-22 11:26:42,432 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1749874470] [2019-10-22 11:26:42,432 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e98053ef-90c2-41ab-8f27-34cecaf5ed7e/bin/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-22 11:26:42,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:26:42,552 INFO L256 TraceCheckSpWp]: Trace formula consists of 417 conjuncts, 6 conjunts are in the unsatisfiable core [2019-10-22 11:26:42,558 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 11:26:42,590 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:26:42,591 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 11:26:42,619 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:26:42,619 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleAbstractInterpretation [42201314] [2019-10-22 11:26:42,625 INFO L211 CegarAbsIntRunner]: Running AI on error trace of length 58 [2019-10-22 11:26:42,673 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2019-10-22 11:26:42,673 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-22 11:26:43,138 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-22 11:26:43,139 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: inappropriate decl info IMPLEMENTATION at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Boogie2SmtSymbolTable.getBoogieVar(Boogie2SmtSymbolTable.java:222) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.nonrelational.NonrelationalStatementProcessor.getBoogieVar(NonrelationalStatementProcessor.java:348) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.nonrelational.NonrelationalStatementProcessor.handleHavocStatement(NonrelationalStatementProcessor.java:325) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.nonrelational.NonrelationalStatementProcessor.processStatement(NonrelationalStatementProcessor.java:159) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.nonrelational.NonrelationalStatementProcessor.process(NonrelationalStatementProcessor.java:138) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.nonrelational.NonrelationalStatementProcessor.process(NonrelationalStatementProcessor.java:107) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.nonrelational.NonrelationalPostOperator.handleInternalTransition(NonrelationalPostOperator.java:422) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.nonrelational.NonrelationalPostOperator.handleInternalTransition(NonrelationalPostOperator.java:413) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.nonrelational.NonrelationalPostOperator.apply(NonrelationalPostOperator.java:140) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.nonrelational.NonrelationalPostOperator.apply(NonrelationalPostOperator.java:1) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.compound.CompoundDomainPostOperator.applyInternally(CompoundDomainPostOperator.java:306) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.compound.CompoundDomainPostOperator.apply(CompoundDomainPostOperator.java:131) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.compound.CompoundDomainPostOperator.apply(CompoundDomainPostOperator.java:1) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.transformula.poorman.PoormanCachedPostOperation.restoreOriginalStateVariables(PoormanCachedPostOperation.java:322) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.transformula.poorman.PoormansAbstractPostOperator.applyPost(PoormansAbstractPostOperator.java:217) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.transformula.poorman.PoormansAbstractPostOperator.apply(PoormansAbstractPostOperator.java:120) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.transformula.poorman.PoormansAbstractPostOperator.apply(PoormansAbstractPostOperator.java:1) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.absint.DisjunctiveAbstractState.lambda$17(DisjunctiveAbstractState.java:323) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.absint.DisjunctiveAbstractState.mapCollection(DisjunctiveAbstractState.java:519) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.absint.DisjunctiveAbstractState.apply(DisjunctiveAbstractState.java:323) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.algorithm.FixpointEngine.calculateAbstractPost(FixpointEngine.java:249) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.algorithm.FixpointEngine.calculateFixpoint(FixpointEngine.java:134) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.algorithm.FixpointEngine.run(FixpointEngine.java:105) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.tool.AbstractInterpreter.runWithoutTimeoutAndResults(AbstractInterpreter.java:149) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarAbsIntRunner.generateFixpoints(CegarAbsIntRunner.java:227) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarAbsIntRunner.(CegarAbsIntRunner.java:158) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleAbstractInterpretation.getOrConstructRunner(IpTcStrategyModuleAbstractInterpretation.java:74) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleAbstractInterpretation.construct(IpTcStrategyModuleAbstractInterpretation.java:81) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:77) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.tryExecuteInterpolantGenerator(TraceAbstractionRefinementEngine.java:299) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.generateProof(TraceAbstractionRefinementEngine.java:184) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.executeStrategy(TraceAbstractionRefinementEngine.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.RefinementEngineFactory.runRefinementEngine(RefinementEngineFactory.java:124) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:431) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:419) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:368) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:332) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:170) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:122) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-10-22 11:26:43,143 INFO L168 Benchmark]: Toolchain (without parser) took 4494.24 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.3 MB). Free memory was 939.2 MB in the beginning and 918.4 MB in the end (delta: 20.7 MB). Peak memory consumption was 156.0 MB. Max. memory is 11.5 GB. [2019-10-22 11:26:43,143 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 962.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 11:26:43,144 INFO L168 Benchmark]: CACSL2BoogieTranslator took 508.59 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.3 MB). Free memory was 939.2 MB in the beginning and 1.1 GB in the end (delta: -178.6 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. [2019-10-22 11:26:43,144 INFO L168 Benchmark]: Boogie Procedure Inliner took 80.76 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-10-22 11:26:43,145 INFO L168 Benchmark]: Boogie Preprocessor took 62.74 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-10-22 11:26:43,145 INFO L168 Benchmark]: RCFGBuilder took 962.28 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 86.8 MB). Peak memory consumption was 86.8 MB. Max. memory is 11.5 GB. [2019-10-22 11:26:43,145 INFO L168 Benchmark]: TraceAbstraction took 2874.21 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 918.4 MB in the end (delta: 101.8 MB). Peak memory consumption was 101.8 MB. Max. memory is 11.5 GB. [2019-10-22 11:26:43,150 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 962.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 508.59 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.3 MB). Free memory was 939.2 MB in the beginning and 1.1 GB in the end (delta: -178.6 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 80.76 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 62.74 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 962.28 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 86.8 MB). Peak memory consumption was 86.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2874.21 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 918.4 MB in the end (delta: 101.8 MB). Peak memory consumption was 101.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: inappropriate decl info IMPLEMENTATION de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: inappropriate decl info IMPLEMENTATION: de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Boogie2SmtSymbolTable.getBoogieVar(Boogie2SmtSymbolTable.java:222) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-cad4683 [2019-10-22 11:26:45,117 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 11:26:45,118 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 11:26:45,129 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 11:26:45,129 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 11:26:45,130 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 11:26:45,131 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 11:26:45,132 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 11:26:45,134 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 11:26:45,134 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 11:26:45,135 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 11:26:45,136 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 11:26:45,136 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 11:26:45,137 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 11:26:45,137 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 11:26:45,138 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 11:26:45,139 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 11:26:45,139 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 11:26:45,141 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 11:26:45,142 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 11:26:45,143 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 11:26:45,144 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 11:26:45,145 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 11:26:45,146 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 11:26:45,148 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 11:26:45,148 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 11:26:45,148 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 11:26:45,149 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 11:26:45,149 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 11:26:45,150 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 11:26:45,150 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 11:26:45,151 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 11:26:45,151 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 11:26:45,152 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 11:26:45,153 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 11:26:45,153 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 11:26:45,154 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 11:26:45,154 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 11:26:45,154 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 11:26:45,155 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 11:26:45,155 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 11:26:45,156 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_e98053ef-90c2-41ab-8f27-34cecaf5ed7e/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2019-10-22 11:26:45,167 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 11:26:45,168 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 11:26:45,168 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-22 11:26:45,168 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-22 11:26:45,169 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-22 11:26:45,169 INFO L138 SettingsManager]: * Explicit value domain=true [2019-10-22 11:26:45,169 INFO L138 SettingsManager]: * Octagon Domain=false [2019-10-22 11:26:45,169 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-10-22 11:26:45,169 INFO L138 SettingsManager]: * Interval Domain=false [2019-10-22 11:26:45,170 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 11:26:45,170 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 11:26:45,170 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 11:26:45,170 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 11:26:45,170 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 11:26:45,170 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 11:26:45,171 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 11:26:45,171 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-10-22 11:26:45,171 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-10-22 11:26:45,171 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 11:26:45,171 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 11:26:45,171 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 11:26:45,172 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 11:26:45,172 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 11:26:45,172 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 11:26:45,172 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 11:26:45,172 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 11:26:45,172 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 11:26:45,173 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 11:26:45,173 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 11:26:45,173 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 11:26:45,173 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-10-22 11:26:45,173 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-10-22 11:26:45,173 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 11:26:45,173 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-22 11:26:45,174 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_e98053ef-90c2-41ab-8f27-34cecaf5ed7e/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 -> 9385f61fe99e17c8ecdfdd2ac56623ca621310c3 [2019-10-22 11:26:45,199 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 11:26:45,209 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 11:26:45,212 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 11:26:45,213 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 11:26:45,213 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 11:26:45,214 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_e98053ef-90c2-41ab-8f27-34cecaf5ed7e/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec4_product55.cil.c [2019-10-22 11:26:45,263 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e98053ef-90c2-41ab-8f27-34cecaf5ed7e/bin/utaipan/data/229cb4fd0/c1fbe9ef44e946b78d2c611fb274439b/FLAG48641da25 [2019-10-22 11:26:45,694 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 11:26:45,694 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_e98053ef-90c2-41ab-8f27-34cecaf5ed7e/sv-benchmarks/c/product-lines/minepump_spec4_product55.cil.c [2019-10-22 11:26:45,707 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e98053ef-90c2-41ab-8f27-34cecaf5ed7e/bin/utaipan/data/229cb4fd0/c1fbe9ef44e946b78d2c611fb274439b/FLAG48641da25 [2019-10-22 11:26:46,025 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_e98053ef-90c2-41ab-8f27-34cecaf5ed7e/bin/utaipan/data/229cb4fd0/c1fbe9ef44e946b78d2c611fb274439b [2019-10-22 11:26:46,027 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 11:26:46,028 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 11:26:46,029 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 11:26:46,029 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 11:26:46,032 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 11:26:46,033 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:26:46" (1/1) ... [2019-10-22 11:26:46,037 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d881ff9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:46, skipping insertion in model container [2019-10-22 11:26:46,037 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:26:46" (1/1) ... [2019-10-22 11:26:46,044 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 11:26:46,092 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 11:26:46,360 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:26:46,441 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 11:26:46,543 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:26:46,577 INFO L192 MainTranslator]: Completed translation [2019-10-22 11:26:46,577 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:46 WrapperNode [2019-10-22 11:26:46,577 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 11:26:46,578 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 11:26:46,578 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 11:26:46,578 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 11:26:46,585 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:46" (1/1) ... [2019-10-22 11:26:46,601 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:46" (1/1) ... [2019-10-22 11:26:46,641 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 11:26:46,641 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 11:26:46,641 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 11:26:46,641 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 11:26:46,650 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:46" (1/1) ... [2019-10-22 11:26:46,650 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:46" (1/1) ... [2019-10-22 11:26:46,655 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:46" (1/1) ... [2019-10-22 11:26:46,656 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:46" (1/1) ... [2019-10-22 11:26:46,672 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:46" (1/1) ... [2019-10-22 11:26:46,680 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:46" (1/1) ... [2019-10-22 11:26:46,684 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:46" (1/1) ... [2019-10-22 11:26:46,688 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 11:26:46,689 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 11:26:46,689 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 11:26:46,689 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 11:26:46,690 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:46" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e98053ef-90c2-41ab-8f27-34cecaf5ed7e/bin/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 11:26:46,742 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 11:26:46,742 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2019-10-22 11:26:46,742 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 11:26:46,742 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 11:26:47,874 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 11:26:47,875 INFO L284 CfgBuilder]: Removed 280 assume(true) statements. [2019-10-22 11:26:47,876 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:26:47 BoogieIcfgContainer [2019-10-22 11:26:47,876 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 11:26:47,877 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 11:26:47,877 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 11:26:47,881 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 11:26:47,881 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 11:26:46" (1/3) ... [2019-10-22 11:26:47,882 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36a8e3c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:26:47, skipping insertion in model container [2019-10-22 11:26:47,882 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:46" (2/3) ... [2019-10-22 11:26:47,883 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36a8e3c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:26:47, skipping insertion in model container [2019-10-22 11:26:47,883 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:26:47" (3/3) ... [2019-10-22 11:26:47,885 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product55.cil.c [2019-10-22 11:26:47,897 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 11:26:47,906 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-10-22 11:26:47,919 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-10-22 11:26:47,947 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 11:26:47,948 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-22 11:26:47,948 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 11:26:47,948 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 11:26:47,951 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 11:26:47,951 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 11:26:47,951 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 11:26:47,951 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 11:26:47,967 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states. [2019-10-22 11:26:47,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-10-22 11:26:47,974 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:26:47,975 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:26:47,977 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:26:47,982 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:26:47,983 INFO L82 PathProgramCache]: Analyzing trace with hash 1084846627, now seen corresponding path program 1 times [2019-10-22 11:26:47,994 INFO L157 tionRefinementEngine]: Executing refinement strategy WALRUS [2019-10-22 11:26:47,994 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1189251510] [2019-10-22 11:26:47,994 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e98053ef-90c2-41ab-8f27-34cecaf5ed7e/bin/utaipan/cvc4 Starting monitored process 2 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-10-22 11:26:48,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:26:48,179 INFO L256 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 1 conjunts are in the unsatisfiable core [2019-10-22 11:26:48,184 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 11:26:48,198 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:26:48,199 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 11:26:48,207 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:26:48,212 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1189251510] [2019-10-22 11:26:48,212 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:26:48,213 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-10-22 11:26:48,213 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [834796176] [2019-10-22 11:26:48,217 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-22 11:26:48,217 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-10-22 11:26:48,230 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-22 11:26:48,231 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-22 11:26:48,233 INFO L87 Difference]: Start difference. First operand 191 states. Second operand 2 states. [2019-10-22 11:26:48,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:26:48,274 INFO L93 Difference]: Finished difference Result 376 states and 575 transitions. [2019-10-22 11:26:48,274 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-22 11:26:48,279 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2019-10-22 11:26:48,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:26:48,293 INFO L225 Difference]: With dead ends: 376 [2019-10-22 11:26:48,296 INFO L226 Difference]: Without dead ends: 187 [2019-10-22 11:26:48,301 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-22 11:26:48,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states. [2019-10-22 11:26:48,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 187. [2019-10-22 11:26:48,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 187 states. [2019-10-22 11:26:48,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 187 states and 279 transitions. [2019-10-22 11:26:48,345 INFO L78 Accepts]: Start accepts. Automaton has 187 states and 279 transitions. Word has length 16 [2019-10-22 11:26:48,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:26:48,346 INFO L462 AbstractCegarLoop]: Abstraction has 187 states and 279 transitions. [2019-10-22 11:26:48,346 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-22 11:26:48,346 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 279 transitions. [2019-10-22 11:26:48,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-10-22 11:26:48,347 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:26:48,347 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:26:48,547 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-10-22 11:26:48,548 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:26:48,548 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:26:48,548 INFO L82 PathProgramCache]: Analyzing trace with hash 38089730, now seen corresponding path program 1 times [2019-10-22 11:26:48,549 INFO L157 tionRefinementEngine]: Executing refinement strategy WALRUS [2019-10-22 11:26:48,549 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1459247508] [2019-10-22 11:26:48,549 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e98053ef-90c2-41ab-8f27-34cecaf5ed7e/bin/utaipan/cvc4 Starting monitored process 3 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-10-22 11:26:48,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:26:48,693 INFO L256 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 2 conjunts are in the unsatisfiable core [2019-10-22 11:26:48,694 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 11:26:48,714 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:26:48,714 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 11:26:48,723 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:26:48,723 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1459247508] [2019-10-22 11:26:48,723 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:26:48,723 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2019-10-22 11:26:48,724 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2019943066] [2019-10-22 11:26:48,725 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 11:26:48,726 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-10-22 11:26:48,726 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 11:26:48,726 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-22 11:26:48,726 INFO L87 Difference]: Start difference. First operand 187 states and 279 transitions. Second operand 4 states. [2019-10-22 11:26:48,813 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:26:48,813 INFO L93 Difference]: Finished difference Result 598 states and 894 transitions. [2019-10-22 11:26:48,814 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-22 11:26:48,814 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 17 [2019-10-22 11:26:48,814 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:26:48,816 INFO L225 Difference]: With dead ends: 598 [2019-10-22 11:26:48,817 INFO L226 Difference]: Without dead ends: 417 [2019-10-22 11:26:48,818 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-22 11:26:48,819 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 417 states. [2019-10-22 11:26:48,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 417 to 228. [2019-10-22 11:26:48,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 228 states. [2019-10-22 11:26:48,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 339 transitions. [2019-10-22 11:26:48,851 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 339 transitions. Word has length 17 [2019-10-22 11:26:48,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:26:48,851 INFO L462 AbstractCegarLoop]: Abstraction has 228 states and 339 transitions. [2019-10-22 11:26:48,851 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 11:26:48,852 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 339 transitions. [2019-10-22 11:26:48,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-10-22 11:26:48,852 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:26:48,853 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:26:49,053 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-10-22 11:26:49,054 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:26:49,054 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:26:49,054 INFO L82 PathProgramCache]: Analyzing trace with hash -681978747, now seen corresponding path program 1 times [2019-10-22 11:26:49,054 INFO L157 tionRefinementEngine]: Executing refinement strategy WALRUS [2019-10-22 11:26:49,055 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [581308490] [2019-10-22 11:26:49,055 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e98053ef-90c2-41ab-8f27-34cecaf5ed7e/bin/utaipan/cvc4 Starting monitored process 4 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-10-22 11:26:49,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:26:49,230 INFO L256 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 2 conjunts are in the unsatisfiable core [2019-10-22 11:26:49,231 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 11:26:49,249 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:26:49,249 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 11:26:49,252 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:26:49,252 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [581308490] [2019-10-22 11:26:49,252 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:26:49,252 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2019-10-22 11:26:49,253 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [305935047] [2019-10-22 11:26:49,253 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 11:26:49,253 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-10-22 11:26:49,254 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 11:26:49,254 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:26:49,254 INFO L87 Difference]: Start difference. First operand 228 states and 339 transitions. Second operand 3 states. [2019-10-22 11:26:49,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:26:49,429 INFO L93 Difference]: Finished difference Result 459 states and 677 transitions. [2019-10-22 11:26:49,430 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 11:26:49,430 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 20 [2019-10-22 11:26:49,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:26:49,431 INFO L225 Difference]: With dead ends: 459 [2019-10-22 11:26:49,432 INFO L226 Difference]: Without dead ends: 237 [2019-10-22 11:26:49,433 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:26:49,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 237 states. [2019-10-22 11:26:49,451 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 237 to 231. [2019-10-22 11:26:49,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 231 states. [2019-10-22 11:26:49,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 231 states and 322 transitions. [2019-10-22 11:26:49,453 INFO L78 Accepts]: Start accepts. Automaton has 231 states and 322 transitions. Word has length 20 [2019-10-22 11:26:49,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:26:49,453 INFO L462 AbstractCegarLoop]: Abstraction has 231 states and 322 transitions. [2019-10-22 11:26:49,453 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 11:26:49,453 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 322 transitions. [2019-10-22 11:26:49,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-10-22 11:26:49,454 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:26:49,454 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:26:49,655 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-10-22 11:26:49,655 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:26:49,655 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:26:49,655 INFO L82 PathProgramCache]: Analyzing trace with hash 2034893835, now seen corresponding path program 1 times [2019-10-22 11:26:49,656 INFO L157 tionRefinementEngine]: Executing refinement strategy WALRUS [2019-10-22 11:26:49,656 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1742628558] [2019-10-22 11:26:49,656 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e98053ef-90c2-41ab-8f27-34cecaf5ed7e/bin/utaipan/cvc4 Starting monitored process 5 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-10-22 11:26:49,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:26:49,786 INFO L256 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 8 conjunts are in the unsatisfiable core [2019-10-22 11:26:49,788 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 11:26:49,824 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:26:49,824 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 11:26:49,859 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:26:49,859 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1742628558] [2019-10-22 11:26:49,859 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:26:49,860 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5, 4] imperfect sequences [] total 8 [2019-10-22 11:26:49,860 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1704331275] [2019-10-22 11:26:49,860 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-22 11:26:49,860 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-10-22 11:26:49,861 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-22 11:26:49,861 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2019-10-22 11:26:49,861 INFO L87 Difference]: Start difference. First operand 231 states and 322 transitions. Second operand 9 states. [2019-10-22 11:26:50,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:26:50,823 INFO L93 Difference]: Finished difference Result 1542 states and 2183 transitions. [2019-10-22 11:26:50,824 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2019-10-22 11:26:50,824 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 25 [2019-10-22 11:26:50,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:26:50,828 INFO L225 Difference]: With dead ends: 1542 [2019-10-22 11:26:50,829 INFO L226 Difference]: Without dead ends: 1317 [2019-10-22 11:26:50,830 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=83, Invalid=189, Unknown=0, NotChecked=0, Total=272 [2019-10-22 11:26:50,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1317 states. [2019-10-22 11:26:50,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1317 to 555. [2019-10-22 11:26:50,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 555 states. [2019-10-22 11:26:50,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 555 states to 555 states and 750 transitions. [2019-10-22 11:26:50,889 INFO L78 Accepts]: Start accepts. Automaton has 555 states and 750 transitions. Word has length 25 [2019-10-22 11:26:50,889 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:26:50,889 INFO L462 AbstractCegarLoop]: Abstraction has 555 states and 750 transitions. [2019-10-22 11:26:50,889 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-22 11:26:50,889 INFO L276 IsEmpty]: Start isEmpty. Operand 555 states and 750 transitions. [2019-10-22 11:26:50,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2019-10-22 11:26:50,891 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:26:50,892 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] [2019-10-22 11:26:51,092 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-10-22 11:26:51,092 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:26:51,093 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:26:51,093 INFO L82 PathProgramCache]: Analyzing trace with hash -105976916, now seen corresponding path program 1 times [2019-10-22 11:26:51,093 INFO L157 tionRefinementEngine]: Executing refinement strategy WALRUS [2019-10-22 11:26:51,093 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1784242696] [2019-10-22 11:26:51,093 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e98053ef-90c2-41ab-8f27-34cecaf5ed7e/bin/utaipan/cvc4 Starting monitored process 6 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-10-22 11:26:51,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:26:51,219 INFO L256 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 5 conjunts are in the unsatisfiable core [2019-10-22 11:26:51,220 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 11:26:51,236 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-10-22 11:26:51,237 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 11:26:51,240 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-10-22 11:26:51,240 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1784242696] [2019-10-22 11:26:51,240 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:26:51,241 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2019-10-22 11:26:51,241 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1194309477] [2019-10-22 11:26:51,241 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 11:26:51,241 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-10-22 11:26:51,241 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 11:26:51,242 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 11:26:51,242 INFO L87 Difference]: Start difference. First operand 555 states and 750 transitions. Second operand 5 states. [2019-10-22 11:26:51,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:26:51,671 INFO L93 Difference]: Finished difference Result 1311 states and 1798 transitions. [2019-10-22 11:26:51,671 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-22 11:26:51,671 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 40 [2019-10-22 11:26:51,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:26:51,675 INFO L225 Difference]: With dead ends: 1311 [2019-10-22 11:26:51,675 INFO L226 Difference]: Without dead ends: 1305 [2019-10-22 11:26:51,676 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-10-22 11:26:51,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1305 states. [2019-10-22 11:26:51,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1305 to 555. [2019-10-22 11:26:51,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 555 states. [2019-10-22 11:26:51,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 555 states to 555 states and 744 transitions. [2019-10-22 11:26:51,719 INFO L78 Accepts]: Start accepts. Automaton has 555 states and 744 transitions. Word has length 40 [2019-10-22 11:26:51,719 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:26:51,719 INFO L462 AbstractCegarLoop]: Abstraction has 555 states and 744 transitions. [2019-10-22 11:26:51,719 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 11:26:51,719 INFO L276 IsEmpty]: Start isEmpty. Operand 555 states and 744 transitions. [2019-10-22 11:26:51,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-10-22 11:26:51,721 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:26:51,721 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:26:51,922 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-10-22 11:26:51,922 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:26:51,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:26:51,923 INFO L82 PathProgramCache]: Analyzing trace with hash 1800067908, now seen corresponding path program 1 times [2019-10-22 11:26:51,923 INFO L157 tionRefinementEngine]: Executing refinement strategy WALRUS [2019-10-22 11:26:51,923 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [702596477] [2019-10-22 11:26:51,924 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e98053ef-90c2-41ab-8f27-34cecaf5ed7e/bin/utaipan/cvc4 Starting monitored process 7 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-10-22 11:26:52,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:26:52,051 INFO L256 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 2 conjunts are in the unsatisfiable core [2019-10-22 11:26:52,053 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 11:26:52,062 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:26:52,062 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 11:26:52,065 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:26:52,065 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [702596477] [2019-10-22 11:26:52,065 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:26:52,065 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2019-10-22 11:26:52,065 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [430976066] [2019-10-22 11:26:52,066 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 11:26:52,066 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-10-22 11:26:52,066 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 11:26:52,066 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:26:52,067 INFO L87 Difference]: Start difference. First operand 555 states and 744 transitions. Second operand 3 states. [2019-10-22 11:26:52,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:26:52,340 INFO L93 Difference]: Finished difference Result 1026 states and 1368 transitions. [2019-10-22 11:26:52,342 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 11:26:52,342 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 45 [2019-10-22 11:26:52,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:26:52,344 INFO L225 Difference]: With dead ends: 1026 [2019-10-22 11:26:52,344 INFO L226 Difference]: Without dead ends: 477 [2019-10-22 11:26:52,345 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:26:52,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 477 states. [2019-10-22 11:26:52,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 477 to 477. [2019-10-22 11:26:52,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 477 states. [2019-10-22 11:26:52,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 477 states to 477 states and 600 transitions. [2019-10-22 11:26:52,378 INFO L78 Accepts]: Start accepts. Automaton has 477 states and 600 transitions. Word has length 45 [2019-10-22 11:26:52,378 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:26:52,379 INFO L462 AbstractCegarLoop]: Abstraction has 477 states and 600 transitions. [2019-10-22 11:26:52,379 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 11:26:52,379 INFO L276 IsEmpty]: Start isEmpty. Operand 477 states and 600 transitions. [2019-10-22 11:26:52,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-10-22 11:26:52,382 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:26:52,383 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:26:52,583 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-10-22 11:26:52,583 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:26:52,584 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:26:52,584 INFO L82 PathProgramCache]: Analyzing trace with hash -87653353, now seen corresponding path program 1 times [2019-10-22 11:26:52,584 INFO L157 tionRefinementEngine]: Executing refinement strategy WALRUS [2019-10-22 11:26:52,584 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1144840018] [2019-10-22 11:26:52,584 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e98053ef-90c2-41ab-8f27-34cecaf5ed7e/bin/utaipan/cvc4 Starting monitored process 8 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-10-22 11:26:52,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:26:52,729 INFO L256 TraceCheckSpWp]: Trace formula consists of 220 conjuncts, 5 conjunts are in the unsatisfiable core [2019-10-22 11:26:52,730 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 11:26:52,746 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:26:52,747 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 11:26:52,750 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:26:52,750 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1144840018] [2019-10-22 11:26:52,750 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:26:52,751 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2019-10-22 11:26:52,754 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1518817808] [2019-10-22 11:26:52,755 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 11:26:52,755 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-10-22 11:26:52,755 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 11:26:52,755 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 11:26:52,755 INFO L87 Difference]: Start difference. First operand 477 states and 600 transitions. Second operand 5 states. [2019-10-22 11:26:52,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:26:52,906 INFO L93 Difference]: Finished difference Result 1420 states and 1781 transitions. [2019-10-22 11:26:52,907 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-22 11:26:52,907 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 47 [2019-10-22 11:26:52,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:26:52,911 INFO L225 Difference]: With dead ends: 1420 [2019-10-22 11:26:52,911 INFO L226 Difference]: Without dead ends: 949 [2019-10-22 11:26:52,912 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-10-22 11:26:52,914 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 949 states. [2019-10-22 11:26:52,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 949 to 504. [2019-10-22 11:26:52,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 504 states. [2019-10-22 11:26:52,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 504 states to 504 states and 627 transitions. [2019-10-22 11:26:52,963 INFO L78 Accepts]: Start accepts. Automaton has 504 states and 627 transitions. Word has length 47 [2019-10-22 11:26:52,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:26:52,963 INFO L462 AbstractCegarLoop]: Abstraction has 504 states and 627 transitions. [2019-10-22 11:26:52,963 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 11:26:52,964 INFO L276 IsEmpty]: Start isEmpty. Operand 504 states and 627 transitions. [2019-10-22 11:26:52,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-10-22 11:26:52,966 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:26:52,966 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:26:53,167 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-10-22 11:26:53,167 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:26:53,167 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:26:53,167 INFO L82 PathProgramCache]: Analyzing trace with hash 613946521, now seen corresponding path program 1 times [2019-10-22 11:26:53,168 INFO L157 tionRefinementEngine]: Executing refinement strategy WALRUS [2019-10-22 11:26:53,168 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1555651722] [2019-10-22 11:26:53,168 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e98053ef-90c2-41ab-8f27-34cecaf5ed7e/bin/utaipan/cvc4 Starting monitored process 9 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-10-22 11:26:53,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:26:53,328 INFO L256 TraceCheckSpWp]: Trace formula consists of 220 conjuncts, 5 conjunts are in the unsatisfiable core [2019-10-22 11:26:53,329 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 11:26:53,341 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:26:53,342 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 11:26:53,355 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:26:53,356 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1555651722] [2019-10-22 11:26:53,356 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:26:53,356 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2019-10-22 11:26:53,356 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1235162989] [2019-10-22 11:26:53,356 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-22 11:26:53,357 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-10-22 11:26:53,357 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-22 11:26:53,357 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-10-22 11:26:53,357 INFO L87 Difference]: Start difference. First operand 504 states and 627 transitions. Second operand 6 states. [2019-10-22 11:26:53,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:26:53,469 INFO L93 Difference]: Finished difference Result 1316 states and 1639 transitions. [2019-10-22 11:26:53,470 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-22 11:26:53,470 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 47 [2019-10-22 11:26:53,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:26:53,472 INFO L225 Difference]: With dead ends: 1316 [2019-10-22 11:26:53,472 INFO L226 Difference]: Without dead ends: 743 [2019-10-22 11:26:53,473 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-10-22 11:26:53,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 743 states. [2019-10-22 11:26:53,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 743 to 409. [2019-10-22 11:26:53,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 409 states. [2019-10-22 11:26:53,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 409 states and 510 transitions. [2019-10-22 11:26:53,507 INFO L78 Accepts]: Start accepts. Automaton has 409 states and 510 transitions. Word has length 47 [2019-10-22 11:26:53,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:26:53,507 INFO L462 AbstractCegarLoop]: Abstraction has 409 states and 510 transitions. [2019-10-22 11:26:53,508 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-22 11:26:53,508 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states and 510 transitions. [2019-10-22 11:26:53,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-10-22 11:26:53,508 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:26:53,509 INFO L380 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:26:53,709 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-10-22 11:26:53,709 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:26:53,710 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:26:53,710 INFO L82 PathProgramCache]: Analyzing trace with hash -1136875618, now seen corresponding path program 1 times [2019-10-22 11:26:53,710 INFO L157 tionRefinementEngine]: Executing refinement strategy WALRUS [2019-10-22 11:26:53,710 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [862576652] [2019-10-22 11:26:53,711 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e98053ef-90c2-41ab-8f27-34cecaf5ed7e/bin/utaipan/cvc4 Starting monitored process 10 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-10-22 11:26:53,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:26:53,833 INFO L256 TraceCheckSpWp]: Trace formula consists of 226 conjuncts, 2 conjunts are in the unsatisfiable core [2019-10-22 11:26:53,834 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 11:26:53,845 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:26:53,845 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 11:26:53,849 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:26:53,850 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [862576652] [2019-10-22 11:26:53,850 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:26:53,850 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2019-10-22 11:26:53,850 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [222546242] [2019-10-22 11:26:53,850 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 11:26:53,850 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-10-22 11:26:53,851 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 11:26:53,851 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:26:53,851 INFO L87 Difference]: Start difference. First operand 409 states and 510 transitions. Second operand 3 states. [2019-10-22 11:26:53,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:26:53,870 INFO L93 Difference]: Finished difference Result 409 states and 510 transitions. [2019-10-22 11:26:53,870 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 11:26:53,871 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2019-10-22 11:26:53,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:26:53,872 INFO L225 Difference]: With dead ends: 409 [2019-10-22 11:26:53,872 INFO L226 Difference]: Without dead ends: 203 [2019-10-22 11:26:53,872 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:26:53,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 203 states. [2019-10-22 11:26:53,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 203 to 203. [2019-10-22 11:26:53,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 203 states. [2019-10-22 11:26:53,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 264 transitions. [2019-10-22 11:26:53,888 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 264 transitions. Word has length 52 [2019-10-22 11:26:53,889 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:26:53,889 INFO L462 AbstractCegarLoop]: Abstraction has 203 states and 264 transitions. [2019-10-22 11:26:53,889 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 11:26:53,889 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 264 transitions. [2019-10-22 11:26:53,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-10-22 11:26:53,889 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:26:53,890 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:26:54,090 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-10-22 11:26:54,090 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:26:54,091 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:26:54,091 INFO L82 PathProgramCache]: Analyzing trace with hash 1597254592, now seen corresponding path program 1 times [2019-10-22 11:26:54,091 INFO L157 tionRefinementEngine]: Executing refinement strategy WALRUS [2019-10-22 11:26:54,091 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1287791762] [2019-10-22 11:26:54,091 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e98053ef-90c2-41ab-8f27-34cecaf5ed7e/bin/utaipan/cvc4 Starting monitored process 11 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-10-22 11:26:54,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:26:54,195 INFO L256 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 9 conjunts are in the unsatisfiable core [2019-10-22 11:26:54,196 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 11:26:54,227 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-10-22 11:26:54,227 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 11:26:54,261 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-10-22 11:26:54,262 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1287791762] [2019-10-22 11:26:54,262 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [479701205] [2019-10-22 11:26:54,262 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e98053ef-90c2-41ab-8f27-34cecaf5ed7e/bin/utaipan/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-22 11:26:54,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:26:54,351 INFO L256 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 7 conjunts are in the unsatisfiable core [2019-10-22 11:26:54,352 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 11:26:54,367 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-10-22 11:26:54,367 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 11:26:54,374 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-10-22 11:26:54,375 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 4 imperfect interpolant sequences. [2019-10-22 11:26:54,375 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5, 5] total 9 [2019-10-22 11:26:54,375 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [247023399] [2019-10-22 11:26:54,375 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-10-22 11:26:54,376 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-10-22 11:26:54,376 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-10-22 11:26:54,376 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2019-10-22 11:26:54,376 INFO L87 Difference]: Start difference. First operand 203 states and 264 transitions. Second operand 10 states. [2019-10-22 11:26:55,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:26:55,109 INFO L93 Difference]: Finished difference Result 1222 states and 1634 transitions. [2019-10-22 11:26:55,109 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2019-10-22 11:26:55,110 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 57 [2019-10-22 11:26:55,110 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:26:55,115 INFO L225 Difference]: With dead ends: 1222 [2019-10-22 11:26:55,115 INFO L226 Difference]: Without dead ends: 1068 [2019-10-22 11:26:55,116 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 241 GetRequests, 215 SyntacticMatches, 1 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 148 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=178, Invalid=524, Unknown=0, NotChecked=0, Total=702 [2019-10-22 11:26:55,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1068 states. [2019-10-22 11:26:55,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1068 to 352. [2019-10-22 11:26:55,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 352 states. [2019-10-22 11:26:55,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 352 states and 460 transitions. [2019-10-22 11:26:55,152 INFO L78 Accepts]: Start accepts. Automaton has 352 states and 460 transitions. Word has length 57 [2019-10-22 11:26:55,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:26:55,153 INFO L462 AbstractCegarLoop]: Abstraction has 352 states and 460 transitions. [2019-10-22 11:26:55,153 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-10-22 11:26:55,153 INFO L276 IsEmpty]: Start isEmpty. Operand 352 states and 460 transitions. [2019-10-22 11:26:55,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2019-10-22 11:26:55,154 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:26:55,154 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:26:55,555 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,11 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-10-22 11:26:55,555 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:26:55,555 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:26:55,555 INFO L82 PathProgramCache]: Analyzing trace with hash 1564199598, now seen corresponding path program 2 times [2019-10-22 11:26:55,556 INFO L157 tionRefinementEngine]: Executing refinement strategy WALRUS [2019-10-22 11:26:55,556 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1192415055] [2019-10-22 11:26:55,556 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e98053ef-90c2-41ab-8f27-34cecaf5ed7e/bin/utaipan/cvc4 Starting monitored process 13 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-10-22 11:26:57,310 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2019-10-22 11:26:57,311 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-10-22 11:26:57,348 INFO L256 TraceCheckSpWp]: Trace formula consists of 265 conjuncts, 9 conjunts are in the unsatisfiable core [2019-10-22 11:26:57,349 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 11:26:57,378 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-22 11:26:57,419 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-10-22 11:26:57,420 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 11:26:57,455 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-10-22 11:26:57,456 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1192415055] [2019-10-22 11:26:57,456 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:26:57,456 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 9 [2019-10-22 11:26:57,456 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [454148861] [2019-10-22 11:26:57,457 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-22 11:26:57,457 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-10-22 11:26:57,457 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-22 11:26:57,457 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2019-10-22 11:26:57,457 INFO L87 Difference]: Start difference. First operand 352 states and 460 transitions. Second operand 9 states. [2019-10-22 11:26:58,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:26:58,376 INFO L93 Difference]: Finished difference Result 1517 states and 1995 transitions. [2019-10-22 11:26:58,376 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2019-10-22 11:26:58,376 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 82 [2019-10-22 11:26:58,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:26:58,380 INFO L225 Difference]: With dead ends: 1517 [2019-10-22 11:26:58,381 INFO L226 Difference]: Without dead ends: 1133 [2019-10-22 11:26:58,383 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 181 GetRequests, 161 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=148, Invalid=314, Unknown=0, NotChecked=0, Total=462 [2019-10-22 11:26:58,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1133 states. [2019-10-22 11:26:58,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1133 to 430. [2019-10-22 11:26:58,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 430 states. [2019-10-22 11:26:58,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 430 states and 554 transitions. [2019-10-22 11:26:58,443 INFO L78 Accepts]: Start accepts. Automaton has 430 states and 554 transitions. Word has length 82 [2019-10-22 11:26:58,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:26:58,444 INFO L462 AbstractCegarLoop]: Abstraction has 430 states and 554 transitions. [2019-10-22 11:26:58,444 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-22 11:26:58,444 INFO L276 IsEmpty]: Start isEmpty. Operand 430 states and 554 transitions. [2019-10-22 11:26:58,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2019-10-22 11:26:58,444 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:26:58,445 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:26:58,645 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-10-22 11:26:58,645 INFO L410 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:26:58,645 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:26:58,645 INFO L82 PathProgramCache]: Analyzing trace with hash 1169832812, now seen corresponding path program 1 times [2019-10-22 11:26:58,646 INFO L157 tionRefinementEngine]: Executing refinement strategy WALRUS [2019-10-22 11:26:58,646 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [198480940] [2019-10-22 11:26:58,646 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e98053ef-90c2-41ab-8f27-34cecaf5ed7e/bin/utaipan/cvc4 Starting monitored process 14 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-10-22 11:26:58,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:26:58,770 INFO L256 TraceCheckSpWp]: Trace formula consists of 265 conjuncts, 6 conjunts are in the unsatisfiable core [2019-10-22 11:26:58,771 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 11:26:58,788 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-10-22 11:26:58,789 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 11:26:58,813 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-10-22 11:26:58,813 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [198480940] [2019-10-22 11:26:58,813 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:26:58,813 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2019-10-22 11:26:58,813 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1244104134] [2019-10-22 11:26:58,814 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-22 11:26:58,814 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-10-22 11:26:58,814 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-22 11:26:58,814 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-10-22 11:26:58,814 INFO L87 Difference]: Start difference. First operand 430 states and 554 transitions. Second operand 8 states. [2019-10-22 11:26:58,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:26:58,895 INFO L93 Difference]: Finished difference Result 721 states and 927 transitions. [2019-10-22 11:26:58,896 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-22 11:26:58,896 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 82 [2019-10-22 11:26:58,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:26:58,897 INFO L225 Difference]: With dead ends: 721 [2019-10-22 11:26:58,897 INFO L226 Difference]: Without dead ends: 0 [2019-10-22 11:26:58,898 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 166 GetRequests, 158 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2019-10-22 11:26:58,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-22 11:26:58,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-22 11:26:58,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-22 11:26:58,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-22 11:26:58,898 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 82 [2019-10-22 11:26:58,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:26:58,899 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 11:26:58,899 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-22 11:26:58,900 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-22 11:26:58,900 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-22 11:26:59,100 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-10-22 11:26:59,104 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-22 11:26:59,571 WARN L191 SmtUtils]: Spent 463.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 137 [2019-10-22 11:26:59,842 WARN L191 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 133 [2019-10-22 11:27:00,142 WARN L191 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 139 [2019-10-22 11:27:00,479 WARN L191 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 137 [2019-10-22 11:27:00,634 WARN L191 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 133 [2019-10-22 11:27:01,550 WARN L191 SmtUtils]: Spent 881.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 34 [2019-10-22 11:27:01,678 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 25 [2019-10-22 11:27:02,311 WARN L191 SmtUtils]: Spent 551.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 36 [2019-10-22 11:27:03,067 WARN L191 SmtUtils]: Spent 505.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 36 [2019-10-22 11:27:03,275 WARN L191 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 34 [2019-10-22 11:27:03,476 WARN L191 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 26 [2019-10-22 11:27:03,601 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 30 [2019-10-22 11:27:04,242 WARN L191 SmtUtils]: Spent 590.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 35 [2019-10-22 11:27:04,792 WARN L191 SmtUtils]: Spent 484.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 36 [2019-10-22 11:27:04,958 WARN L191 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 37 [2019-10-22 11:27:04,985 INFO L443 ceAbstractionStarter]: For program point L927(lines 927 931) no Hoare annotation was computed. [2019-10-22 11:27:04,985 INFO L443 ceAbstractionStarter]: For program point L334(lines 334 338) no Hoare annotation was computed. [2019-10-22 11:27:04,985 INFO L443 ceAbstractionStarter]: For program point L334-2(lines 334 338) no Hoare annotation was computed. [2019-10-22 11:27:04,985 INFO L443 ceAbstractionStarter]: For program point L334-3(lines 334 338) no Hoare annotation was computed. [2019-10-22 11:27:04,985 INFO L443 ceAbstractionStarter]: For program point L334-5(lines 334 338) no Hoare annotation was computed. [2019-10-22 11:27:04,985 INFO L439 ceAbstractionStarter]: At program point L136(lines 136 142) the Hoare annotation is: (let ((.cse3 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse1 (= (_ bv0 32) ~pumpRunning~0)) (.cse4 (= (bvadd ~waterLevel~0 (_ bv4294967294 32)) (_ bv0 32))) (.cse0 (bvslt ULTIMATE.start_test_~splverifierCounter~0 (_ bv4 32))) (.cse2 (not (= ~systemActive~0 (_ bv0 32))))) (or (and (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) .cse0 (and .cse1 .cse2) .cse3 (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6 (_ bv0 32)))) (and .cse1 .cse0 .cse3 (= (bvadd ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv1 32) |ULTIMATE.start_getWaterLevel_#res|)) (and .cse0 (and .cse1 (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|) .cse3)) (and .cse4 .cse0 .cse1) (and .cse4 .cse0 .cse2))) [2019-10-22 11:27:04,985 INFO L443 ceAbstractionStarter]: For program point L334-6(lines 334 338) no Hoare annotation was computed. [2019-10-22 11:27:04,985 INFO L439 ceAbstractionStarter]: At program point L103(lines 54 104) the Hoare annotation is: (let ((.cse0 (= (_ bv0 32) ~pumpRunning~0)) (.cse1 (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|)) (.cse2 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 (= (bvadd ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv1 32) |ULTIMATE.start_getWaterLevel_#res|)) (and .cse0 (not (= ~systemActive~0 (_ bv0 32))) .cse1 .cse2))) [2019-10-22 11:27:04,985 INFO L439 ceAbstractionStarter]: At program point L136-1(lines 136 142) the Hoare annotation is: (let ((.cse0 (= (_ bv0 32) ~pumpRunning~0)) (.cse1 (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|)) (.cse2 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 (= (bvadd ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv1 32) |ULTIMATE.start_getWaterLevel_#res|)) (and (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) (= (bvadd ULTIMATE.start_isHighWaterLevel_~tmp~4 (_ bv4294967295 32)) (_ bv0 32)) .cse0 (not (= ~systemActive~0 (_ bv0 32))) .cse1 .cse2 (= (_ bv0 32) ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~1)))) [2019-10-22 11:27:04,986 INFO L443 ceAbstractionStarter]: For program point L334-8(lines 334 338) no Hoare annotation was computed. [2019-10-22 11:27:04,986 INFO L439 ceAbstractionStarter]: At program point L136-2(lines 136 142) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv1 32) |ULTIMATE.start_getWaterLevel_#res|)) [2019-10-22 11:27:04,986 INFO L443 ceAbstractionStarter]: For program point L334-9(lines 334 338) no Hoare annotation was computed. [2019-10-22 11:27:04,986 INFO L439 ceAbstractionStarter]: At program point L995(lines 990 998) the Hoare annotation is: (and (not (= ~systemActive~0 (_ bv0 32))) (not (= (_ bv0 32) ~pumpRunning~0)) (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32)) (bvslt ULTIMATE.start_test_~splverifierCounter~0 (_ bv4 32)) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6 (_ bv0 32)))) [2019-10-22 11:27:04,986 INFO L443 ceAbstractionStarter]: For program point L334-11(lines 334 338) no Hoare annotation was computed. [2019-10-22 11:27:04,986 INFO L439 ceAbstractionStarter]: At program point L995-1(lines 990 998) the Hoare annotation is: false [2019-10-22 11:27:04,986 INFO L443 ceAbstractionStarter]: For program point L334-12(lines 334 338) no Hoare annotation was computed. [2019-10-22 11:27:04,986 INFO L439 ceAbstractionStarter]: At program point L995-2(lines 990 998) the Hoare annotation is: false [2019-10-22 11:27:04,986 INFO L439 ceAbstractionStarter]: At program point L995-3(lines 990 998) the Hoare annotation is: false [2019-10-22 11:27:04,986 INFO L443 ceAbstractionStarter]: For program point L334-14(lines 334 338) no Hoare annotation was computed. [2019-10-22 11:27:04,986 INFO L439 ceAbstractionStarter]: At program point L995-4(lines 990 998) the Hoare annotation is: false [2019-10-22 11:27:04,986 INFO L443 ceAbstractionStarter]: For program point L334-15(lines 334 338) no Hoare annotation was computed. [2019-10-22 11:27:04,986 INFO L439 ceAbstractionStarter]: At program point L995-5(lines 990 998) the Hoare annotation is: false [2019-10-22 11:27:04,986 INFO L443 ceAbstractionStarter]: For program point L334-17(lines 334 338) no Hoare annotation was computed. [2019-10-22 11:27:04,986 INFO L443 ceAbstractionStarter]: For program point L370(lines 370 383) no Hoare annotation was computed. [2019-10-22 11:27:04,987 INFO L439 ceAbstractionStarter]: At program point L370-1(lines 1 998) the Hoare annotation is: (let ((.cse2 (= (_ bv0 32) ~pumpRunning~0)) (.cse5 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse0 (= (bvadd ~waterLevel~0 (_ bv4294967294 32)) (_ bv0 32))) (.cse1 (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|))) (.cse6 (not (= ~systemActive~0 (_ bv0 32)))) (.cse3 (bvslt ULTIMATE.start_test_~splverifierCounter~0 (_ bv4 32))) (.cse4 (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6 (_ bv0 32))))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse2 .cse3 .cse5 (= (bvadd ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv1 32) |ULTIMATE.start_getWaterLevel_#res|)) (and .cse3 (and .cse2 .cse6 (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|) .cse5)) (and .cse0 .cse1 .cse6 .cse3 .cse4))) [2019-10-22 11:27:04,987 INFO L443 ceAbstractionStarter]: For program point L370-2(lines 370 383) no Hoare annotation was computed. [2019-10-22 11:27:04,987 INFO L439 ceAbstractionStarter]: At program point L370-3(lines 1 998) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv1 32) |ULTIMATE.start_getWaterLevel_#res|)) [2019-10-22 11:27:04,987 INFO L443 ceAbstractionStarter]: For program point L370-4(lines 370 383) no Hoare annotation was computed. [2019-10-22 11:27:04,987 INFO L439 ceAbstractionStarter]: At program point L370-5(lines 1 998) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv1 32) |ULTIMATE.start_getWaterLevel_#res|)) [2019-10-22 11:27:04,987 INFO L443 ceAbstractionStarter]: For program point L75(lines 75 81) no Hoare annotation was computed. [2019-10-22 11:27:04,987 INFO L439 ceAbstractionStarter]: At program point L75-1(lines 75 81) the Hoare annotation is: (let ((.cse3 (= (bvadd ~waterLevel~0 (_ bv4294967294 32)) (_ bv0 32))) (.cse5 (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|))) (.cse6 (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6 (_ bv0 32)))) (.cse1 (bvslt ULTIMATE.start_test_~splverifierCounter~0 (_ bv4 32))) (.cse0 (= (_ bv0 32) ~pumpRunning~0)) (.cse4 (not (= ~systemActive~0 (_ bv0 32)))) (.cse2 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 (= (bvadd ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv1 32) |ULTIMATE.start_getWaterLevel_#res|)) (and .cse3 .cse1 (and .cse0 .cse4)) (and .cse3 .cse5 .cse1 .cse4 .cse6) (and .cse3 .cse5 .cse0 .cse1 .cse6) (and .cse1 (and .cse0 .cse4 (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|) .cse2)))) [2019-10-22 11:27:04,987 INFO L439 ceAbstractionStarter]: At program point L340(lines 325 343) the Hoare annotation is: (and (= (bvadd ULTIMATE.start_isLowWaterLevel_~tmp___0~2 (_ bv4294967295 32)) (_ bv0 32)) (not (= ~systemActive~0 (_ bv0 32))) (= ULTIMATE.start_isLowWaterLevel_~tmp~5 (_ bv0 32)) (not (= (_ bv0 32) ~pumpRunning~0)) (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32)) (bvslt ULTIMATE.start_test_~splverifierCounter~0 (_ bv4 32)) (= (bvadd |ULTIMATE.start_isLowWaterLevel_#res| (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6 (_ bv0 32)))) [2019-10-22 11:27:04,987 INFO L439 ceAbstractionStarter]: At program point L340-1(lines 325 343) the Hoare annotation is: false [2019-10-22 11:27:04,987 INFO L439 ceAbstractionStarter]: At program point L340-2(lines 325 343) the Hoare annotation is: false [2019-10-22 11:27:04,987 INFO L439 ceAbstractionStarter]: At program point L340-3(lines 325 343) the Hoare annotation is: false [2019-10-22 11:27:04,987 INFO L439 ceAbstractionStarter]: At program point L340-4(lines 325 343) the Hoare annotation is: false [2019-10-22 11:27:04,987 INFO L439 ceAbstractionStarter]: At program point L340-5(lines 325 343) the Hoare annotation is: false [2019-10-22 11:27:04,988 INFO L443 ceAbstractionStarter]: For program point L374(lines 374 380) no Hoare annotation was computed. [2019-10-22 11:27:04,988 INFO L443 ceAbstractionStarter]: For program point L374-2(lines 374 380) no Hoare annotation was computed. [2019-10-22 11:27:04,988 INFO L443 ceAbstractionStarter]: For program point L374-4(lines 374 380) no Hoare annotation was computed. [2019-10-22 11:27:04,988 INFO L443 ceAbstractionStarter]: For program point L903(lines 903 907) no Hoare annotation was computed. [2019-10-22 11:27:04,988 INFO L443 ceAbstractionStarter]: For program point L903-3(lines 903 907) no Hoare annotation was computed. [2019-10-22 11:27:04,988 INFO L443 ceAbstractionStarter]: For program point L903-6(lines 903 907) no Hoare annotation was computed. [2019-10-22 11:27:04,988 INFO L439 ceAbstractionStarter]: At program point L972(lines 967 975) the Hoare annotation is: (let ((.cse0 (= (_ bv0 32) ~pumpRunning~0)) (.cse2 (= (bvadd ~waterLevel~0 (_ bv4294967294 32)) (_ bv0 32))) (.cse3 (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|))) (.cse1 (bvslt ULTIMATE.start_test_~splverifierCounter~0 (_ bv4 32)))) (or (and .cse0 .cse1 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv1 32) |ULTIMATE.start_getWaterLevel_#res|)) (and .cse2 .cse3 .cse0 .cse1) (and .cse2 .cse3 .cse1 (not (= ~systemActive~0 (_ bv0 32)))))) [2019-10-22 11:27:04,988 INFO L439 ceAbstractionStarter]: At program point L972-1(lines 967 975) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv1 32) |ULTIMATE.start_getWaterLevel_#res|)) [2019-10-22 11:27:04,988 INFO L439 ceAbstractionStarter]: At program point L972-2(lines 967 975) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv1 32) |ULTIMATE.start_getWaterLevel_#res|)) [2019-10-22 11:27:04,988 INFO L443 ceAbstractionStarter]: For program point L213(lines 213 230) no Hoare annotation was computed. [2019-10-22 11:27:04,988 INFO L443 ceAbstractionStarter]: For program point L213-1(lines 213 230) no Hoare annotation was computed. [2019-10-22 11:27:04,988 INFO L443 ceAbstractionStarter]: For program point L213-2(lines 213 230) no Hoare annotation was computed. [2019-10-22 11:27:04,988 INFO L439 ceAbstractionStarter]: At program point L940(lines 935 943) the Hoare annotation is: (and (not (= ~systemActive~0 (_ bv0 32))) (not (= (_ bv0 32) ~pumpRunning~0)) (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (bvslt ULTIMATE.start_test_~splverifierCounter~0 (_ bv4 32)) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6 (_ bv0 32)))) [2019-10-22 11:27:04,988 INFO L439 ceAbstractionStarter]: At program point L940-1(lines 935 943) the Hoare annotation is: false [2019-10-22 11:27:04,989 INFO L439 ceAbstractionStarter]: At program point L940-2(lines 935 943) the Hoare annotation is: false [2019-10-22 11:27:04,989 INFO L439 ceAbstractionStarter]: At program point L413(lines 1 998) 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 11:27:04,989 INFO L439 ceAbstractionStarter]: At program point L446-2(lines 446 460) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv1 32) |ULTIMATE.start_getWaterLevel_#res|)) [2019-10-22 11:27:04,989 INFO L443 ceAbstractionStarter]: For program point L447(line 447) no Hoare annotation was computed. [2019-10-22 11:27:04,989 INFO L443 ceAbstractionStarter]: For program point L348(lines 348 354) no Hoare annotation was computed. [2019-10-22 11:27:04,989 INFO L439 ceAbstractionStarter]: At program point L348-1(lines 348 354) the Hoare annotation is: (let ((.cse1 (bvslt ULTIMATE.start_test_~splverifierCounter~0 (_ bv4 32))) (.cse0 (= (_ bv0 32) ~pumpRunning~0)) (.cse2 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 (= (bvadd ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv1 32) |ULTIMATE.start_getWaterLevel_#res|)) (and (= (bvadd ~waterLevel~0 (_ bv4294967294 32)) (_ bv0 32)) .cse1 .cse0) (and .cse1 (and .cse0 (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|) .cse2)))) [2019-10-22 11:27:04,989 INFO L443 ceAbstractionStarter]: For program point L315(lines 315 319) no Hoare annotation was computed. [2019-10-22 11:27:04,989 INFO L443 ceAbstractionStarter]: For program point L315-2(lines 315 319) no Hoare annotation was computed. [2019-10-22 11:27:04,989 INFO L443 ceAbstractionStarter]: For program point L315-3(lines 315 319) no Hoare annotation was computed. [2019-10-22 11:27:04,989 INFO L443 ceAbstractionStarter]: For program point L315-5(lines 315 319) no Hoare annotation was computed. [2019-10-22 11:27:04,989 INFO L443 ceAbstractionStarter]: For program point L315-6(lines 315 319) no Hoare annotation was computed. [2019-10-22 11:27:04,990 INFO L443 ceAbstractionStarter]: For program point L315-8(lines 315 319) no Hoare annotation was computed. [2019-10-22 11:27:04,990 INFO L443 ceAbstractionStarter]: For program point L315-9(lines 315 319) no Hoare annotation was computed. [2019-10-22 11:27:04,990 INFO L443 ceAbstractionStarter]: For program point L315-11(lines 315 319) no Hoare annotation was computed. [2019-10-22 11:27:04,990 INFO L443 ceAbstractionStarter]: For program point L315-12(lines 315 319) no Hoare annotation was computed. [2019-10-22 11:27:04,990 INFO L443 ceAbstractionStarter]: For program point L315-14(lines 315 319) no Hoare annotation was computed. [2019-10-22 11:27:04,990 INFO L443 ceAbstractionStarter]: For program point L315-15(lines 315 319) no Hoare annotation was computed. [2019-10-22 11:27:04,990 INFO L443 ceAbstractionStarter]: For program point L315-17(lines 315 319) no Hoare annotation was computed. [2019-10-22 11:27:04,990 INFO L443 ceAbstractionStarter]: For program point L315-18(lines 315 319) no Hoare annotation was computed. [2019-10-22 11:27:04,990 INFO L443 ceAbstractionStarter]: For program point L315-20(lines 315 319) no Hoare annotation was computed. [2019-10-22 11:27:04,990 INFO L443 ceAbstractionStarter]: For program point L315-21(lines 315 319) no Hoare annotation was computed. [2019-10-22 11:27:04,990 INFO L443 ceAbstractionStarter]: For program point L315-23(lines 315 319) no Hoare annotation was computed. [2019-10-22 11:27:04,990 INFO L443 ceAbstractionStarter]: For program point L315-24(lines 315 319) no Hoare annotation was computed. [2019-10-22 11:27:04,990 INFO L443 ceAbstractionStarter]: For program point L315-26(lines 315 319) no Hoare annotation was computed. [2019-10-22 11:27:04,991 INFO L443 ceAbstractionStarter]: For program point L315-27(lines 315 319) no Hoare annotation was computed. [2019-10-22 11:27:04,991 INFO L443 ceAbstractionStarter]: For program point L315-29(lines 315 319) no Hoare annotation was computed. [2019-10-22 11:27:04,991 INFO L443 ceAbstractionStarter]: For program point L315-30(lines 315 319) no Hoare annotation was computed. [2019-10-22 11:27:04,991 INFO L443 ceAbstractionStarter]: For program point L315-32(lines 315 319) no Hoare annotation was computed. [2019-10-22 11:27:04,992 INFO L443 ceAbstractionStarter]: For program point L315-33(lines 315 319) no Hoare annotation was computed. [2019-10-22 11:27:04,992 INFO L443 ceAbstractionStarter]: For program point L217(lines 217 225) no Hoare annotation was computed. [2019-10-22 11:27:04,992 INFO L443 ceAbstractionStarter]: For program point L217-1(lines 217 225) no Hoare annotation was computed. [2019-10-22 11:27:04,992 INFO L443 ceAbstractionStarter]: For program point L315-35(lines 315 319) no Hoare annotation was computed. [2019-10-22 11:27:04,992 INFO L443 ceAbstractionStarter]: For program point L217-2(lines 217 225) no Hoare annotation was computed. [2019-10-22 11:27:04,992 INFO L443 ceAbstractionStarter]: For program point L85(lines 85 98) no Hoare annotation was computed. [2019-10-22 11:27:04,992 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-10-22 11:27:04,992 INFO L443 ceAbstractionStarter]: For program point L450(lines 450 454) no Hoare annotation was computed. [2019-10-22 11:27:04,992 INFO L443 ceAbstractionStarter]: For program point L450-1(lines 129 135) no Hoare annotation was computed. [2019-10-22 11:27:04,992 INFO L443 ceAbstractionStarter]: For program point L517(lines 517 524) no Hoare annotation was computed. [2019-10-22 11:27:04,992 INFO L446 ceAbstractionStarter]: At program point L517-1(lines 517 524) the Hoare annotation is: true [2019-10-22 11:27:04,992 INFO L443 ceAbstractionStarter]: For program point L187(lines 187 204) no Hoare annotation was computed. [2019-10-22 11:27:04,993 INFO L443 ceAbstractionStarter]: For program point L187-1(lines 187 204) no Hoare annotation was computed. [2019-10-22 11:27:04,993 INFO L443 ceAbstractionStarter]: For program point L187-2(lines 187 204) no Hoare annotation was computed. [2019-10-22 11:27:04,993 INFO L443 ceAbstractionStarter]: For program point L187-3(lines 187 204) no Hoare annotation was computed. [2019-10-22 11:27:04,993 INFO L443 ceAbstractionStarter]: For program point L187-4(lines 187 204) no Hoare annotation was computed. [2019-10-22 11:27:04,993 INFO L443 ceAbstractionStarter]: For program point L187-5(lines 187 204) no Hoare annotation was computed. [2019-10-22 11:27:04,993 INFO L443 ceAbstractionStarter]: For program point L980(lines 980 986) no Hoare annotation was computed. [2019-10-22 11:27:04,993 INFO L443 ceAbstractionStarter]: For program point L980-1(lines 980 986) no Hoare annotation was computed. [2019-10-22 11:27:04,993 INFO L443 ceAbstractionStarter]: For program point L980-2(lines 980 986) no Hoare annotation was computed. [2019-10-22 11:27:04,993 INFO L443 ceAbstractionStarter]: For program point L980-3(lines 980 986) no Hoare annotation was computed. [2019-10-22 11:27:04,993 INFO L443 ceAbstractionStarter]: For program point L980-4(lines 980 986) no Hoare annotation was computed. [2019-10-22 11:27:04,993 INFO L443 ceAbstractionStarter]: For program point L980-5(lines 980 986) no Hoare annotation was computed. [2019-10-22 11:27:04,993 INFO L443 ceAbstractionStarter]: For program point L980-6(lines 980 986) no Hoare annotation was computed. [2019-10-22 11:27:04,993 INFO L443 ceAbstractionStarter]: For program point L980-7(lines 980 986) no Hoare annotation was computed. [2019-10-22 11:27:04,993 INFO L443 ceAbstractionStarter]: For program point L980-8(lines 980 986) no Hoare annotation was computed. [2019-10-22 11:27:04,994 INFO L443 ceAbstractionStarter]: For program point L980-9(lines 980 986) no Hoare annotation was computed. [2019-10-22 11:27:04,994 INFO L443 ceAbstractionStarter]: For program point L980-10(lines 980 986) no Hoare annotation was computed. [2019-10-22 11:27:04,994 INFO L443 ceAbstractionStarter]: For program point L980-11(lines 980 986) no Hoare annotation was computed. [2019-10-22 11:27:04,994 INFO L443 ceAbstractionStarter]: For program point L56(lines 55 102) no Hoare annotation was computed. [2019-10-22 11:27:04,994 INFO L443 ceAbstractionStarter]: For program point L915(lines 915 919) no Hoare annotation was computed. [2019-10-22 11:27:04,994 INFO L439 ceAbstractionStarter]: At program point L321(lines 306 324) the Hoare annotation is: false [2019-10-22 11:27:04,994 INFO L439 ceAbstractionStarter]: At program point L321-1(lines 306 324) the Hoare annotation is: false [2019-10-22 11:27:04,994 INFO L439 ceAbstractionStarter]: At program point L321-2(lines 306 324) the Hoare annotation is: false [2019-10-22 11:27:04,994 INFO L439 ceAbstractionStarter]: At program point L321-3(lines 306 324) the Hoare annotation is: (let ((.cse0 (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|)) (.cse1 (= (bvadd ULTIMATE.start_isHighWaterLevel_~tmp~4 (_ bv4294967295 32)) (_ bv0 32))) (.cse5 (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv0 32))) (.cse6 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 (_ bv0 32))) (.cse7 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse2 (= (_ bv0 32) ~pumpRunning~0)) (.cse4 (bvslt ULTIMATE.start_test_~splverifierCounter~0 (_ bv4 32))) (.cse3 (not (= ~systemActive~0 (_ bv0 32))))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|) .cse7) (and .cse0 .cse1 .cse2 .cse4 .cse3 .cse5 .cse6 .cse7 (= (bvadd ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv1 32) |ULTIMATE.start_getWaterLevel_#res|)) (and (= (bvadd ~waterLevel~0 (_ bv4294967294 32)) (_ bv0 32)) .cse2 .cse4 .cse3))) [2019-10-22 11:27:04,994 INFO L439 ceAbstractionStarter]: At program point L321-4(lines 306 324) the Hoare annotation is: false [2019-10-22 11:27:04,994 INFO L439 ceAbstractionStarter]: At program point L321-5(lines 306 324) the Hoare annotation is: false [2019-10-22 11:27:04,995 INFO L439 ceAbstractionStarter]: At program point L321-6(lines 306 324) the Hoare annotation is: false [2019-10-22 11:27:04,995 INFO L439 ceAbstractionStarter]: At program point L321-7(lines 306 324) the Hoare annotation is: (and (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) (not (= ~systemActive~0 (_ bv0 32))) (= (bvadd ULTIMATE.start_isHighWaterLevel_~tmp~4 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv0 32)) (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 (_ bv0 32)) (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-10-22 11:27:04,996 INFO L443 ceAbstractionStarter]: For program point L57(lines 57 61) no Hoare annotation was computed. [2019-10-22 11:27:04,996 INFO L439 ceAbstractionStarter]: At program point L321-8(lines 306 324) the Hoare annotation is: false [2019-10-22 11:27:04,996 INFO L439 ceAbstractionStarter]: At program point L321-9(lines 306 324) the Hoare annotation is: false [2019-10-22 11:27:04,996 INFO L439 ceAbstractionStarter]: At program point L321-10(lines 306 324) the Hoare annotation is: false [2019-10-22 11:27:04,996 INFO L439 ceAbstractionStarter]: At program point L321-11(lines 306 324) the Hoare annotation is: (and (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) (not (= ~systemActive~0 (_ bv0 32))) (= (bvadd ULTIMATE.start_isHighWaterLevel_~tmp~4 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv0 32)) (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 (_ bv0 32)) (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv1 32) |ULTIMATE.start_getWaterLevel_#res|)) [2019-10-22 11:27:04,996 INFO L439 ceAbstractionStarter]: At program point L421(lines 416 424) 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 11:27:04,996 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-22 11:27:04,996 INFO L443 ceAbstractionStarter]: For program point L91(lines 91 97) no Hoare annotation was computed. [2019-10-22 11:27:04,996 INFO L439 ceAbstractionStarter]: At program point L91-1(lines 129 135) the Hoare annotation is: (let ((.cse2 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse3 (= (bvadd ~waterLevel~0 (_ bv4294967294 32)) (_ bv0 32))) (.cse1 (bvslt ULTIMATE.start_test_~splverifierCounter~0 (_ bv4 32))) (.cse0 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 (= (bvadd ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv1 32) |ULTIMATE.start_getWaterLevel_#res|)) (and .cse3 (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) .cse1 (not (= ~systemActive~0 (_ bv0 32))) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6 (_ bv0 32)))) (and .cse1 (and .cse0 (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|) .cse2)) (and .cse3 .cse1 .cse0))) [2019-10-22 11:27:04,997 INFO L439 ceAbstractionStarter]: At program point L257(lines 250 260) the Hoare annotation is: (and (not (= ~systemActive~0 (_ bv0 32))) (not (= (_ bv0 32) ~pumpRunning~0)) (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (bvslt ULTIMATE.start_test_~splverifierCounter~0 (_ bv4 32)) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6 (_ bv0 32)))) [2019-10-22 11:27:04,997 INFO L439 ceAbstractionStarter]: At program point L257-1(lines 250 260) the Hoare annotation is: false [2019-10-22 11:27:04,997 INFO L443 ceAbstractionStarter]: For program point L191(lines 191 199) no Hoare annotation was computed. [2019-10-22 11:27:04,997 INFO L439 ceAbstractionStarter]: At program point L257-2(lines 250 260) the Hoare annotation is: false [2019-10-22 11:27:04,997 INFO L443 ceAbstractionStarter]: For program point L191-1(lines 191 199) no Hoare annotation was computed. [2019-10-22 11:27:04,997 INFO L443 ceAbstractionStarter]: For program point L191-2(lines 191 199) no Hoare annotation was computed. [2019-10-22 11:27:04,997 INFO L443 ceAbstractionStarter]: For program point L191-3(lines 191 199) no Hoare annotation was computed. [2019-10-22 11:27:04,997 INFO L443 ceAbstractionStarter]: For program point L191-4(lines 191 199) no Hoare annotation was computed. [2019-10-22 11:27:04,997 INFO L443 ceAbstractionStarter]: For program point L191-5(lines 191 199) no Hoare annotation was computed. [2019-10-22 11:27:04,997 INFO L439 ceAbstractionStarter]: At program point L985(lines 976 989) the Hoare annotation is: false [2019-10-22 11:27:04,997 INFO L439 ceAbstractionStarter]: At program point L985-1(lines 976 989) the Hoare annotation is: false [2019-10-22 11:27:04,997 INFO L439 ceAbstractionStarter]: At program point L985-2(lines 976 989) the Hoare annotation is: false [2019-10-22 11:27:04,998 INFO L439 ceAbstractionStarter]: At program point L985-3(lines 976 989) the Hoare annotation is: (let ((.cse0 (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|)) (.cse4 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse1 (= (_ bv0 32) ~pumpRunning~0)) (.cse2 (bvslt ULTIMATE.start_test_~splverifierCounter~0 (_ bv4 32))) (.cse3 (not (= ~systemActive~0 (_ bv0 32))))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 (= (bvadd ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv1 32) |ULTIMATE.start_getWaterLevel_#res|)) (and .cse0 .cse1 .cse3 .cse2 (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|) .cse4) (and (= (bvadd ~waterLevel~0 (_ bv4294967294 32)) (_ bv0 32)) .cse1 .cse2 .cse3))) [2019-10-22 11:27:04,998 INFO L439 ceAbstractionStarter]: At program point L985-4(lines 976 989) the Hoare annotation is: false [2019-10-22 11:27:04,998 INFO L439 ceAbstractionStarter]: At program point L985-5(lines 976 989) the Hoare annotation is: false [2019-10-22 11:27:04,998 INFO L439 ceAbstractionStarter]: At program point L985-6(lines 976 989) the Hoare annotation is: false [2019-10-22 11:27:04,998 INFO L439 ceAbstractionStarter]: At program point L985-7(lines 976 989) the Hoare annotation is: (and (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) (not (= ~systemActive~0 (_ bv0 32))) (= (_ bv0 32) ~pumpRunning~0) (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-10-22 11:27:04,998 INFO L439 ceAbstractionStarter]: At program point L985-8(lines 976 989) the Hoare annotation is: false [2019-10-22 11:27:04,998 INFO L439 ceAbstractionStarter]: At program point L985-9(lines 976 989) the Hoare annotation is: false [2019-10-22 11:27:04,998 INFO L439 ceAbstractionStarter]: At program point L985-10(lines 976 989) the Hoare annotation is: false [2019-10-22 11:27:04,998 INFO L439 ceAbstractionStarter]: At program point L985-11(lines 976 989) the Hoare annotation is: (and (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) (not (= ~systemActive~0 (_ bv0 32))) (= (_ bv0 32) ~pumpRunning~0) (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv1 32) |ULTIMATE.start_getWaterLevel_#res|)) [2019-10-22 11:27:04,998 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-22 11:27:04,999 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 430) no Hoare annotation was computed. [2019-10-22 11:27:04,999 INFO L443 ceAbstractionStarter]: For program point L161(lines 161 178) no Hoare annotation was computed. [2019-10-22 11:27:04,999 INFO L443 ceAbstractionStarter]: For program point L161-1(lines 161 178) no Hoare annotation was computed. [2019-10-22 11:27:04,999 INFO L443 ceAbstractionStarter]: For program point L161-2(lines 161 178) no Hoare annotation was computed. [2019-10-22 11:27:05,000 INFO L443 ceAbstractionStarter]: For program point L161-3(lines 161 178) no Hoare annotation was computed. [2019-10-22 11:27:05,000 INFO L443 ceAbstractionStarter]: For program point L161-4(lines 161 178) no Hoare annotation was computed. [2019-10-22 11:27:05,000 INFO L443 ceAbstractionStarter]: For program point L161-5(lines 161 178) no Hoare annotation was computed. [2019-10-22 11:27:05,000 INFO L443 ceAbstractionStarter]: For program point L161-6(lines 161 178) no Hoare annotation was computed. [2019-10-22 11:27:05,000 INFO L443 ceAbstractionStarter]: For program point L161-7(lines 161 178) no Hoare annotation was computed. [2019-10-22 11:27:05,000 INFO L443 ceAbstractionStarter]: For program point L161-8(lines 161 178) no Hoare annotation was computed. [2019-10-22 11:27:05,000 INFO L443 ceAbstractionStarter]: For program point L161-9(lines 161 178) no Hoare annotation was computed. [2019-10-22 11:27:05,000 INFO L443 ceAbstractionStarter]: For program point L161-10(lines 161 178) no Hoare annotation was computed. [2019-10-22 11:27:05,000 INFO L443 ceAbstractionStarter]: For program point L161-11(lines 161 178) no Hoare annotation was computed. [2019-10-22 11:27:05,000 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 430) no Hoare annotation was computed. [2019-10-22 11:27:05,001 INFO L439 ceAbstractionStarter]: At program point L129(lines 128 147) the Hoare annotation is: (let ((.cse2 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse1 (bvslt ULTIMATE.start_test_~splverifierCounter~0 (_ bv4 32))) (.cse0 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 (= (bvadd ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv1 32) |ULTIMATE.start_getWaterLevel_#res|)) (and .cse1 (and .cse0 (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|) .cse2)) (and (not .cse0) (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) .cse1 (not (= ~systemActive~0 (_ bv0 32))) .cse2 (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6 (_ bv0 32)))) (and (= (bvadd ~waterLevel~0 (_ bv4294967294 32)) (_ bv0 32)) .cse1 .cse0))) [2019-10-22 11:27:05,001 INFO L443 ceAbstractionStarter]: For program point L129-1(lines 129 135) no Hoare annotation was computed. [2019-10-22 11:27:05,001 INFO L439 ceAbstractionStarter]: At program point L129-2(lines 128 147) the Hoare annotation is: (let ((.cse0 (= (_ bv0 32) ~pumpRunning~0)) (.cse1 (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|)) (.cse2 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 (= (bvadd ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv1 32) |ULTIMATE.start_getWaterLevel_#res|)) (and .cse0 (not (= ~systemActive~0 (_ bv0 32))) .cse1 .cse2))) [2019-10-22 11:27:05,001 INFO L439 ceAbstractionStarter]: At program point L129-3(lines 128 147) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv1 32) |ULTIMATE.start_getWaterLevel_#res|)) [2019-10-22 11:27:05,001 INFO L446 ceAbstractionStarter]: At program point L526(lines 507 529) the Hoare annotation is: true [2019-10-22 11:27:05,001 INFO L439 ceAbstractionStarter]: At program point L494(lines 490 496) 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 11:27:05,001 INFO L443 ceAbstractionStarter]: For program point L65(lines 65 71) no Hoare annotation was computed. [2019-10-22 11:27:05,001 INFO L439 ceAbstractionStarter]: At program point L65-1(lines 65 71) the Hoare annotation is: (let ((.cse3 (= (bvadd ~waterLevel~0 (_ bv4294967294 32)) (_ bv0 32))) (.cse5 (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|))) (.cse6 (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6 (_ bv0 32)))) (.cse1 (bvslt ULTIMATE.start_test_~splverifierCounter~0 (_ bv4 32))) (.cse0 (= (_ bv0 32) ~pumpRunning~0)) (.cse4 (not (= ~systemActive~0 (_ bv0 32)))) (.cse2 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 (= (bvadd ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv1 32) |ULTIMATE.start_getWaterLevel_#res|)) (and .cse3 .cse1 (and .cse0 .cse4)) (and .cse3 .cse5 .cse1 .cse4 .cse6) (and .cse3 .cse5 .cse0 .cse1 .cse6) (and .cse1 (and .cse0 .cse4 (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|) .cse2)))) [2019-10-22 11:27:05,001 INFO L443 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-10-22 11:27:05,001 INFO L443 ceAbstractionStarter]: For program point L165(lines 165 173) no Hoare annotation was computed. [2019-10-22 11:27:05,002 INFO L443 ceAbstractionStarter]: For program point L165-1(lines 165 173) no Hoare annotation was computed. [2019-10-22 11:27:05,002 INFO L443 ceAbstractionStarter]: For program point L165-2(lines 165 173) no Hoare annotation was computed. [2019-10-22 11:27:05,002 INFO L443 ceAbstractionStarter]: For program point L165-3(lines 165 173) no Hoare annotation was computed. [2019-10-22 11:27:05,002 INFO L443 ceAbstractionStarter]: For program point L165-4(lines 165 173) no Hoare annotation was computed. [2019-10-22 11:27:05,002 INFO L443 ceAbstractionStarter]: For program point L165-5(lines 165 173) no Hoare annotation was computed. [2019-10-22 11:27:05,002 INFO L443 ceAbstractionStarter]: For program point L165-6(lines 165 173) no Hoare annotation was computed. [2019-10-22 11:27:05,002 INFO L443 ceAbstractionStarter]: For program point L165-7(lines 165 173) no Hoare annotation was computed. [2019-10-22 11:27:05,002 INFO L443 ceAbstractionStarter]: For program point L165-8(lines 165 173) no Hoare annotation was computed. [2019-10-22 11:27:05,002 INFO L443 ceAbstractionStarter]: For program point L165-9(lines 165 173) no Hoare annotation was computed. [2019-10-22 11:27:05,002 INFO L443 ceAbstractionStarter]: For program point L165-10(lines 165 173) no Hoare annotation was computed. [2019-10-22 11:27:05,002 INFO L443 ceAbstractionStarter]: For program point L165-11(lines 165 173) no Hoare annotation was computed. [2019-10-22 11:27:05,002 INFO L443 ceAbstractionStarter]: For program point L430(line 430) no Hoare annotation was computed. [2019-10-22 11:27:05,002 INFO L443 ceAbstractionStarter]: For program point L430-1(line 430) no Hoare annotation was computed. [2019-10-22 11:27:05,003 INFO L443 ceAbstractionStarter]: For program point L430-2(line 430) no Hoare annotation was computed. [2019-10-22 11:27:05,003 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 430) no Hoare annotation was computed. [2019-10-22 11:27:05,004 INFO L439 ceAbstractionStarter]: At program point L266(lines 261 269) the Hoare annotation is: false [2019-10-22 11:27:05,004 INFO L439 ceAbstractionStarter]: At program point L266-1(lines 261 269) the Hoare annotation is: false [2019-10-22 11:27:05,004 INFO L439 ceAbstractionStarter]: At program point L266-2(lines 261 269) the Hoare annotation is: false [2019-10-22 11:27:05,050 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 11:27:05 BoogieIcfgContainer [2019-10-22 11:27:05,055 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-22 11:27:05,055 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 11:27:05,055 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 11:27:05,055 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 11:27:05,056 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:26:47" (3/4) ... [2019-10-22 11:27:05,060 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-10-22 11:27:05,083 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-10-22 11:27:05,088 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-10-22 11:27:05,089 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-10-22 11:27:05,090 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-10-22 11:27:05,091 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-10-22 11:27:05,091 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-10-22 11:27:05,124 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 11:27:05,124 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 11:27:05,124 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((~bvadd64(waterLevel, 4294967294bv32) == 0bv32 && !(0bv32 == \result)) && 0bv32 == pumpRunning) && ~bvslt32(splverifierCounter, 4bv32)) && !(tmp == 0bv32)) || ((((0bv32 == pumpRunning && ~bvslt32(splverifierCounter, 4bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && 1bv32 == \result)) || (~bvslt32(splverifierCounter, 4bv32) && ((0bv32 == pumpRunning && !(systemActive == 0bv32)) && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32)) || ((((~bvadd64(waterLevel, 4294967294bv32) == 0bv32 && !(0bv32 == \result)) && !(systemActive == 0bv32)) && ~bvslt32(splverifierCounter, 4bv32)) && !(tmp == 0bv32)) [2019-10-22 11:27:05,124 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((0bv32 == pumpRunning && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && 1bv32 == \result) || (((0bv32 == pumpRunning && !(systemActive == 0bv32)) && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) [2019-10-22 11:27:05,124 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((0bv32 == pumpRunning && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && 1bv32 == \result) || (((0bv32 == pumpRunning && !(systemActive == 0bv32)) && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) [2019-10-22 11:27:05,124 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((0bv32 == pumpRunning && ~bvslt32(splverifierCounter, 4bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && 1bv32 == \result) || ((~bvadd64(waterLevel, 4294967294bv32) == 0bv32 && ~bvslt32(splverifierCounter, 4bv32)) && 0bv32 == pumpRunning && !(systemActive == 0bv32))) || ((((~bvadd64(waterLevel, 4294967294bv32) == 0bv32 && !(0bv32 == \result)) && ~bvslt32(splverifierCounter, 4bv32)) && !(systemActive == 0bv32)) && !(tmp == 0bv32))) || ((((~bvadd64(waterLevel, 4294967294bv32) == 0bv32 && !(0bv32 == \result)) && 0bv32 == pumpRunning) && ~bvslt32(splverifierCounter, 4bv32)) && !(tmp == 0bv32))) || (~bvslt32(splverifierCounter, 4bv32) && ((0bv32 == pumpRunning && !(systemActive == 0bv32)) && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) [2019-10-22 11:27:05,124 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((0bv32 == pumpRunning && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && 1bv32 == \result) || ((((((1bv32 == \result && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && !(systemActive == 0bv32)) && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == tmp) [2019-10-22 11:27:05,125 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((0bv32 == pumpRunning && ~bvslt32(splverifierCounter, 4bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && 1bv32 == \result) || ((~bvadd64(waterLevel, 4294967294bv32) == 0bv32 && ~bvslt32(splverifierCounter, 4bv32)) && 0bv32 == pumpRunning && !(systemActive == 0bv32))) || ((((~bvadd64(waterLevel, 4294967294bv32) == 0bv32 && !(0bv32 == \result)) && ~bvslt32(splverifierCounter, 4bv32)) && !(systemActive == 0bv32)) && !(tmp == 0bv32))) || ((((~bvadd64(waterLevel, 4294967294bv32) == 0bv32 && !(0bv32 == \result)) && 0bv32 == pumpRunning) && ~bvslt32(splverifierCounter, 4bv32)) && !(tmp == 0bv32))) || (~bvslt32(splverifierCounter, 4bv32) && ((0bv32 == pumpRunning && !(systemActive == 0bv32)) && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) [2019-10-22 11:27:05,125 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((0bv32 == pumpRunning && ~bvslt32(splverifierCounter, 4bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && 1bv32 == \result) || ((((~bvadd64(waterLevel, 4294967294bv32) == 0bv32 && !(0bv32 == \result)) && ~bvslt32(splverifierCounter, 4bv32)) && !(systemActive == 0bv32)) && !(tmp == 0bv32))) || (~bvslt32(splverifierCounter, 4bv32) && (0bv32 == pumpRunning && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32)) || ((~bvadd64(waterLevel, 4294967294bv32) == 0bv32 && ~bvslt32(splverifierCounter, 4bv32)) && 0bv32 == pumpRunning) [2019-10-22 11:27:05,125 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((0bv32 == pumpRunning && ~bvslt32(splverifierCounter, 4bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && 1bv32 == \result) || (~bvslt32(splverifierCounter, 4bv32) && (0bv32 == pumpRunning && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32)) || (((((!(0bv32 == pumpRunning) && !(0bv32 == \result)) && ~bvslt32(splverifierCounter, 4bv32)) && !(systemActive == 0bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && !(tmp == 0bv32))) || ((~bvadd64(waterLevel, 4294967294bv32) == 0bv32 && ~bvslt32(splverifierCounter, 4bv32)) && 0bv32 == pumpRunning) [2019-10-22 11:27:05,125 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(0bv32 == \result) && ~bvslt32(splverifierCounter, 4bv32)) && 0bv32 == pumpRunning && !(systemActive == 0bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && !(tmp == 0bv32)) || ((((0bv32 == pumpRunning && ~bvslt32(splverifierCounter, 4bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && 1bv32 == \result)) || (~bvslt32(splverifierCounter, 4bv32) && (0bv32 == pumpRunning && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32)) || ((~bvadd64(waterLevel, 4294967294bv32) == 0bv32 && ~bvslt32(splverifierCounter, 4bv32)) && 0bv32 == pumpRunning)) || ((~bvadd64(waterLevel, 4294967294bv32) == 0bv32 && ~bvslt32(splverifierCounter, 4bv32)) && !(systemActive == 0bv32)) [2019-10-22 11:27:05,125 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((0bv32 == pumpRunning && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result [2019-10-22 11:27:05,125 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((0bv32 == pumpRunning && ~bvslt32(splverifierCounter, 4bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && 1bv32 == \result) || ((~bvadd64(waterLevel, 4294967294bv32) == 0bv32 && ~bvslt32(splverifierCounter, 4bv32)) && 0bv32 == pumpRunning)) || (~bvslt32(splverifierCounter, 4bv32) && (0bv32 == pumpRunning && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) [2019-10-22 11:27:05,126 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((0bv32 == pumpRunning && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && 1bv32 == \result [2019-10-22 11:27:05,126 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((0bv32 == pumpRunning && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && 1bv32 == \result [2019-10-22 11:27:05,126 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((0bv32 == pumpRunning && ~bvslt32(splverifierCounter, 4bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result) || (((~bvadd64(waterLevel, 4294967294bv32) == 0bv32 && !(0bv32 == \result)) && 0bv32 == pumpRunning) && ~bvslt32(splverifierCounter, 4bv32))) || (((~bvadd64(waterLevel, 4294967294bv32) == 0bv32 && !(0bv32 == \result)) && ~bvslt32(splverifierCounter, 4bv32)) && !(systemActive == 0bv32)) [2019-10-22 11:27:05,126 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((0bv32 == pumpRunning && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && 1bv32 == \result [2019-10-22 11:27:05,127 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((0bv32 == pumpRunning && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && 1bv32 == \result [2019-10-22 11:27:05,127 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(systemActive == 0bv32) && !(0bv32 == pumpRunning)) && !(0bv32 == \result)) && ~bvslt32(splverifierCounter, 4bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && !(tmp == 0bv32) [2019-10-22 11:27:05,127 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1bv32 == \result && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 [2019-10-22 11:27:05,127 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(systemActive == 0bv32) && !(0bv32 == pumpRunning)) && !(0bv32 == \result)) && ~bvslt32(splverifierCounter, 4bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && !(tmp == 0bv32) [2019-10-22 11:27:05,128 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((0bv32 == pumpRunning && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result [2019-10-22 11:27:05,128 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1bv32 == \result && !(systemActive == 0bv32)) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && \result == 0bv32) && tmp___0 == 0bv32) && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 [2019-10-22 11:27:05,128 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((1bv32 == \result && 0bv32 == pumpRunning) && ~bvslt32(splverifierCounter, 4bv32)) && !(systemActive == 0bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && 1bv32 == \result) || (((((1bv32 == \result && 0bv32 == pumpRunning) && !(systemActive == 0bv32)) && ~bvslt32(splverifierCounter, 4bv32)) && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32)) || (((~bvadd64(waterLevel, 4294967294bv32) == 0bv32 && 0bv32 == pumpRunning) && ~bvslt32(splverifierCounter, 4bv32)) && !(systemActive == 0bv32)) [2019-10-22 11:27:05,129 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((0bv32 == pumpRunning && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && 1bv32 == \result [2019-10-22 11:27:05,129 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((1bv32 == \result && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && !(systemActive == 0bv32)) && ~bvslt32(splverifierCounter, 4bv32)) && \result == 0bv32) && tmp___0 == 0bv32) && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) || (((((((((1bv32 == \result && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvslt32(splverifierCounter, 4bv32)) && !(systemActive == 0bv32)) && \result == 0bv32) && tmp___0 == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && 1bv32 == \result)) || (((~bvadd64(waterLevel, 4294967294bv32) == 0bv32 && 0bv32 == pumpRunning) && ~bvslt32(splverifierCounter, 4bv32)) && !(systemActive == 0bv32)) [2019-10-22 11:27:05,130 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1bv32 == \result && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && 1bv32 == \result [2019-10-22 11:27:05,130 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(systemActive == 0bv32) && !(0bv32 == pumpRunning)) && !(0bv32 == \result)) && \result == 0bv32) && ~bvslt32(splverifierCounter, 4bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && !(tmp == 0bv32) [2019-10-22 11:27:05,133 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((1bv32 == \result && !(systemActive == 0bv32)) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && \result == 0bv32) && tmp___0 == 0bv32) && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && 1bv32 == \result [2019-10-22 11:27:05,133 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((~bvadd64(tmp___0, 4294967295bv32) == 0bv32 && !(systemActive == 0bv32)) && tmp == 0bv32) && !(0bv32 == pumpRunning)) && !(0bv32 == \result)) && \result == 0bv32) && ~bvslt32(splverifierCounter, 4bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && !(tmp == 0bv32) [2019-10-22 11:27:05,217 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_e98053ef-90c2-41ab-8f27-34cecaf5ed7e/bin/utaipan/witness.graphml [2019-10-22 11:27:05,217 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 11:27:05,218 INFO L168 Benchmark]: Toolchain (without parser) took 19190.35 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 368.6 MB). Free memory was 944.3 MB in the beginning and 866.0 MB in the end (delta: 78.3 MB). Peak memory consumption was 446.9 MB. Max. memory is 11.5 GB. [2019-10-22 11:27:05,219 INFO L168 Benchmark]: CDTParser took 0.16 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 11:27:05,219 INFO L168 Benchmark]: CACSL2BoogieTranslator took 548.22 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 152.6 MB). Free memory was 944.3 MB in the beginning and 1.1 GB in the end (delta: -190.1 MB). Peak memory consumption was 31.6 MB. Max. memory is 11.5 GB. [2019-10-22 11:27:05,219 INFO L168 Benchmark]: Boogie Procedure Inliner took 62.97 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 8.2 MB). Peak memory consumption was 8.2 MB. Max. memory is 11.5 GB. [2019-10-22 11:27:05,219 INFO L168 Benchmark]: Boogie Preprocessor took 47.33 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 11:27:05,219 INFO L168 Benchmark]: RCFGBuilder took 1187.36 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 89.6 MB). Peak memory consumption was 89.6 MB. Max. memory is 11.5 GB. [2019-10-22 11:27:05,220 INFO L168 Benchmark]: TraceAbstraction took 17177.60 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 216.0 MB). Free memory was 1.0 GB in the beginning and 886.6 MB in the end (delta: 150.1 MB). Peak memory consumption was 420.1 MB. Max. memory is 11.5 GB. [2019-10-22 11:27:05,220 INFO L168 Benchmark]: Witness Printer took 162.25 ms. Allocated memory is still 1.4 GB. Free memory was 886.6 MB in the beginning and 866.0 MB in the end (delta: 20.6 MB). Peak memory consumption was 20.6 MB. Max. memory is 11.5 GB. [2019-10-22 11:27:05,221 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 977.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 548.22 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 152.6 MB). Free memory was 944.3 MB in the beginning and 1.1 GB in the end (delta: -190.1 MB). Peak memory consumption was 31.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 62.97 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 8.2 MB). Peak memory consumption was 8.2 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 47.33 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 1187.36 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 89.6 MB). Peak memory consumption was 89.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 17177.60 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 216.0 MB). Free memory was 1.0 GB in the beginning and 886.6 MB in the end (delta: 150.1 MB). Peak memory consumption was 420.1 MB. Max. memory is 11.5 GB. * Witness Printer took 162.25 ms. Allocated memory is still 1.4 GB. Free memory was 886.6 MB in the beginning and 866.0 MB in the end (delta: 20.6 MB). Peak memory consumption was 20.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 430]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 430]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 430]: 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: 129]: Loop Invariant Derived loop invariant: ((((((0bv32 == pumpRunning && ~bvslt32(splverifierCounter, 4bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && 1bv32 == \result) || ((((~bvadd64(waterLevel, 4294967294bv32) == 0bv32 && !(0bv32 == \result)) && ~bvslt32(splverifierCounter, 4bv32)) && !(systemActive == 0bv32)) && !(tmp == 0bv32))) || (~bvslt32(splverifierCounter, 4bv32) && (0bv32 == pumpRunning && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32)) || ((~bvadd64(waterLevel, 4294967294bv32) == 0bv32 && ~bvslt32(splverifierCounter, 4bv32)) && 0bv32 == pumpRunning) - InvariantResult [Line: 507]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 967]: Loop Invariant Derived loop invariant: ((((0bv32 == pumpRunning && ~bvslt32(splverifierCounter, 4bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result) || (((~bvadd64(waterLevel, 4294967294bv32) == 0bv32 && !(0bv32 == \result)) && 0bv32 == pumpRunning) && ~bvslt32(splverifierCounter, 4bv32))) || (((~bvadd64(waterLevel, 4294967294bv32) == 0bv32 && !(0bv32 == \result)) && ~bvslt32(splverifierCounter, 4bv32)) && !(systemActive == 0bv32)) - InvariantResult [Line: 306]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 967]: Loop Invariant Derived loop invariant: ((0bv32 == pumpRunning && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result - InvariantResult [Line: 306]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 967]: Loop Invariant Derived loop invariant: ((0bv32 == pumpRunning && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result - InvariantResult [Line: 306]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 325]: Loop Invariant Derived loop invariant: ((((((((~bvadd64(tmp___0, 4294967295bv32) == 0bv32 && !(systemActive == 0bv32)) && tmp == 0bv32) && !(0bv32 == pumpRunning)) && !(0bv32 == \result)) && \result == 0bv32) && ~bvslt32(splverifierCounter, 4bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && !(tmp == 0bv32) - InvariantResult [Line: 261]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 990]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 65]: Loop Invariant Derived loop invariant: (((((((0bv32 == pumpRunning && ~bvslt32(splverifierCounter, 4bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && 1bv32 == \result) || ((~bvadd64(waterLevel, 4294967294bv32) == 0bv32 && ~bvslt32(splverifierCounter, 4bv32)) && 0bv32 == pumpRunning && !(systemActive == 0bv32))) || ((((~bvadd64(waterLevel, 4294967294bv32) == 0bv32 && !(0bv32 == \result)) && ~bvslt32(splverifierCounter, 4bv32)) && !(systemActive == 0bv32)) && !(tmp == 0bv32))) || ((((~bvadd64(waterLevel, 4294967294bv32) == 0bv32 && !(0bv32 == \result)) && 0bv32 == pumpRunning) && ~bvslt32(splverifierCounter, 4bv32)) && !(tmp == 0bv32))) || (~bvslt32(splverifierCounter, 4bv32) && ((0bv32 == pumpRunning && !(systemActive == 0bv32)) && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) - InvariantResult [Line: 325]: 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: 325]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 446]: Loop Invariant Derived loop invariant: (((0bv32 == pumpRunning && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && 1bv32 == \result - InvariantResult [Line: 325]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 325]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 325]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 490]: Loop Invariant Derived loop invariant: ((0bv32 == pumpRunning && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 - InvariantResult [Line: 976]: Loop Invariant Derived loop invariant: (((((1bv32 == \result && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && 1bv32 == \result - InvariantResult [Line: 990]: Loop Invariant Derived loop invariant: (((((!(systemActive == 0bv32) && !(0bv32 == pumpRunning)) && !(0bv32 == \result)) && \result == 0bv32) && ~bvslt32(splverifierCounter, 4bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && !(tmp == 0bv32) - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: (((0bv32 == pumpRunning && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && 1bv32 == \result - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((0bv32 == pumpRunning && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && 1bv32 == \result - InvariantResult [Line: 990]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: ((((0bv32 == pumpRunning && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && 1bv32 == \result) || (((0bv32 == pumpRunning && !(systemActive == 0bv32)) && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: ((((0bv32 == pumpRunning && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && 1bv32 == \result) || ((((((1bv32 == \result && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && !(systemActive == 0bv32)) && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == tmp) - InvariantResult [Line: 935]: Loop Invariant Derived loop invariant: ((((!(systemActive == 0bv32) && !(0bv32 == pumpRunning)) && !(0bv32 == \result)) && ~bvslt32(splverifierCounter, 4bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && !(tmp == 0bv32) - InvariantResult [Line: 990]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 935]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: (((((((!(0bv32 == \result) && ~bvslt32(splverifierCounter, 4bv32)) && 0bv32 == pumpRunning && !(systemActive == 0bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && !(tmp == 0bv32)) || ((((0bv32 == pumpRunning && ~bvslt32(splverifierCounter, 4bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && 1bv32 == \result)) || (~bvslt32(splverifierCounter, 4bv32) && (0bv32 == pumpRunning && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32)) || ((~bvadd64(waterLevel, 4294967294bv32) == 0bv32 && ~bvslt32(splverifierCounter, 4bv32)) && 0bv32 == pumpRunning)) || ((~bvadd64(waterLevel, 4294967294bv32) == 0bv32 && ~bvslt32(splverifierCounter, 4bv32)) && !(systemActive == 0bv32)) - InvariantResult [Line: 990]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: (((0bv32 == pumpRunning && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && 1bv32 == \result - InvariantResult [Line: 935]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 990]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 976]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 976]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 976]: Loop Invariant Derived loop invariant: (((1bv32 == \result && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 - InvariantResult [Line: 976]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((((~bvadd64(waterLevel, 4294967294bv32) == 0bv32 && !(0bv32 == \result)) && 0bv32 == pumpRunning) && ~bvslt32(splverifierCounter, 4bv32)) && !(tmp == 0bv32)) || ((((0bv32 == pumpRunning && ~bvslt32(splverifierCounter, 4bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && 1bv32 == \result)) || (~bvslt32(splverifierCounter, 4bv32) && ((0bv32 == pumpRunning && !(systemActive == 0bv32)) && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32)) || ((((~bvadd64(waterLevel, 4294967294bv32) == 0bv32 && !(0bv32 == \result)) && !(systemActive == 0bv32)) && ~bvslt32(splverifierCounter, 4bv32)) && !(tmp == 0bv32)) - InvariantResult [Line: 348]: Loop Invariant Derived loop invariant: (((((0bv32 == pumpRunning && ~bvslt32(splverifierCounter, 4bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && 1bv32 == \result) || ((~bvadd64(waterLevel, 4294967294bv32) == 0bv32 && ~bvslt32(splverifierCounter, 4bv32)) && 0bv32 == pumpRunning)) || (~bvslt32(splverifierCounter, 4bv32) && (0bv32 == pumpRunning && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) - InvariantResult [Line: 976]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 416]: Loop Invariant Derived loop invariant: ((0bv32 == pumpRunning && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((0bv32 == pumpRunning && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && 1bv32 == \result - InvariantResult [Line: 976]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 517]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 976]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 976]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 976]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 976]: Loop Invariant Derived loop invariant: (((((((1bv32 == \result && 0bv32 == pumpRunning) && ~bvslt32(splverifierCounter, 4bv32)) && !(systemActive == 0bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && 1bv32 == \result) || (((((1bv32 == \result && 0bv32 == pumpRunning) && !(systemActive == 0bv32)) && ~bvslt32(splverifierCounter, 4bv32)) && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32)) || (((~bvadd64(waterLevel, 4294967294bv32) == 0bv32 && 0bv32 == pumpRunning) && ~bvslt32(splverifierCounter, 4bv32)) && !(systemActive == 0bv32)) - InvariantResult [Line: 976]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: ((((0bv32 == pumpRunning && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && 1bv32 == \result) || (((0bv32 == pumpRunning && !(systemActive == 0bv32)) && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) - InvariantResult [Line: 250]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 250]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: ((((((0bv32 == pumpRunning && ~bvslt32(splverifierCounter, 4bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && 1bv32 == \result) || (~bvslt32(splverifierCounter, 4bv32) && (0bv32 == pumpRunning && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32)) || (((((!(0bv32 == pumpRunning) && !(0bv32 == \result)) && ~bvslt32(splverifierCounter, 4bv32)) && !(systemActive == 0bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && !(tmp == 0bv32))) || ((~bvadd64(waterLevel, 4294967294bv32) == 0bv32 && ~bvslt32(splverifierCounter, 4bv32)) && 0bv32 == pumpRunning) - InvariantResult [Line: 250]: Loop Invariant Derived loop invariant: ((((!(systemActive == 0bv32) && !(0bv32 == pumpRunning)) && !(0bv32 == \result)) && ~bvslt32(splverifierCounter, 4bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && !(tmp == 0bv32) - InvariantResult [Line: 306]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 306]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 306]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 306]: Loop Invariant Derived loop invariant: ((((((((1bv32 == \result && !(systemActive == 0bv32)) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && \result == 0bv32) && tmp___0 == 0bv32) && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && 1bv32 == \result - InvariantResult [Line: 261]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 261]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 75]: Loop Invariant Derived loop invariant: (((((((0bv32 == pumpRunning && ~bvslt32(splverifierCounter, 4bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && 1bv32 == \result) || ((~bvadd64(waterLevel, 4294967294bv32) == 0bv32 && ~bvslt32(splverifierCounter, 4bv32)) && 0bv32 == pumpRunning && !(systemActive == 0bv32))) || ((((~bvadd64(waterLevel, 4294967294bv32) == 0bv32 && !(0bv32 == \result)) && ~bvslt32(splverifierCounter, 4bv32)) && !(systemActive == 0bv32)) && !(tmp == 0bv32))) || ((((~bvadd64(waterLevel, 4294967294bv32) == 0bv32 && !(0bv32 == \result)) && 0bv32 == pumpRunning) && ~bvslt32(splverifierCounter, 4bv32)) && !(tmp == 0bv32))) || (~bvslt32(splverifierCounter, 4bv32) && ((0bv32 == pumpRunning && !(systemActive == 0bv32)) && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) - InvariantResult [Line: 306]: Loop Invariant Derived loop invariant: (((((((((1bv32 == \result && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && !(systemActive == 0bv32)) && ~bvslt32(splverifierCounter, 4bv32)) && \result == 0bv32) && tmp___0 == 0bv32) && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) || (((((((((1bv32 == \result && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvslt32(splverifierCounter, 4bv32)) && !(systemActive == 0bv32)) && \result == 0bv32) && tmp___0 == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && 1bv32 == \result)) || (((~bvadd64(waterLevel, 4294967294bv32) == 0bv32 && 0bv32 == pumpRunning) && ~bvslt32(splverifierCounter, 4bv32)) && !(systemActive == 0bv32)) - InvariantResult [Line: 306]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 306]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 306]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 306]: Loop Invariant Derived loop invariant: ((((((1bv32 == \result && !(systemActive == 0bv32)) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && \result == 0bv32) && tmp___0 == 0bv32) && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 191 locations, 3 error locations. Result: SAFE, OverallTime: 17.0s, OverallIterations: 12, TraceHistogramMax: 3, AutomataDifference: 4.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 5.8s, HoareTripleCheckerStatistics: 2761 SDtfs, 5986 SDslu, 6642 SDs, 0 SdLazy, 1123 SolverSat, 272 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1209 GetRequests, 1118 SyntacticMatches, 1 SemanticMatches, 90 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 255 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=555occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 12 MinimizatonAttempts, 3905 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 68 LocationsWithAnnotation, 68 PreInvPairs, 240 NumberOfFragments, 1335 HoareAnnotationTreeSize, 68 FomulaSimplifications, 488254 FormulaSimplificationTreeSizeReduction, 1.5s HoareSimplificationTime, 68 FomulaSimplificationsInter, 46912 FormulaSimplificationTreeSizeReductionInter, 4.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 2.3s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 587 NumberOfCodeBlocks, 587 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 1148 ConstructedInterpolants, 0 QuantifiedInterpolants, 123889 SizeOfPredicates, 42 NumberOfNonLiveVariables, 2792 ConjunctsInSsa, 63 ConjunctsInUnsatCore, 26 InterpolantComputations, 22 PerfectInterpolantSequences, 264/300 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...