./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product63.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_a747705b-dbf9-4cff-8646-3a0c5e6c9b62/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_a747705b-dbf9-4cff-8646-3a0c5e6c9b62/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_a747705b-dbf9-4cff-8646-3a0c5e6c9b62/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_a747705b-dbf9-4cff-8646-3a0c5e6c9b62/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product63.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_a747705b-dbf9-4cff-8646-3a0c5e6c9b62/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_a747705b-dbf9-4cff-8646-3a0c5e6c9b62/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 3f5feda30a80cf6aabd7a2a811c7fc0f92333d0d ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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_a747705b-dbf9-4cff-8646-3a0c5e6c9b62/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_a747705b-dbf9-4cff-8646-3a0c5e6c9b62/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_a747705b-dbf9-4cff-8646-3a0c5e6c9b62/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_a747705b-dbf9-4cff-8646-3a0c5e6c9b62/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product63.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_a747705b-dbf9-4cff-8646-3a0c5e6c9b62/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_a747705b-dbf9-4cff-8646-3a0c5e6c9b62/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 3f5feda30a80cf6aabd7a2a811c7fc0f92333d0d .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 11:26:49,322 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 11:26:49,324 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 11:26:49,339 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 11:26:49,339 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 11:26:49,340 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 11:26:49,341 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 11:26:49,342 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 11:26:49,344 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 11:26:49,344 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 11:26:49,345 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 11:26:49,346 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 11:26:49,346 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 11:26:49,347 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 11:26:49,348 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 11:26:49,349 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 11:26:49,350 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 11:26:49,350 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 11:26:49,352 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 11:26:49,353 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 11:26:49,355 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 11:26:49,356 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 11:26:49,357 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 11:26:49,357 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 11:26:49,359 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 11:26:49,360 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 11:26:49,360 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 11:26:49,361 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 11:26:49,361 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 11:26:49,362 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 11:26:49,362 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 11:26:49,363 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 11:26:49,364 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 11:26:49,364 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 11:26:49,365 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 11:26:49,366 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 11:26:49,366 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 11:26:49,366 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 11:26:49,367 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 11:26:49,367 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 11:26:49,368 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 11:26:49,369 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_a747705b-dbf9-4cff-8646-3a0c5e6c9b62/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-10-22 11:26:49,384 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 11:26:49,384 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 11:26:49,385 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-22 11:26:49,385 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-22 11:26:49,385 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-22 11:26:49,385 INFO L138 SettingsManager]: * Explicit value domain=true [2019-10-22 11:26:49,385 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-10-22 11:26:49,385 INFO L138 SettingsManager]: * Octagon Domain=false [2019-10-22 11:26:49,385 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-10-22 11:26:49,386 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-10-22 11:26:49,386 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-10-22 11:26:49,386 INFO L138 SettingsManager]: * Interval Domain=false [2019-10-22 11:26:49,386 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 11:26:49,387 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 11:26:49,387 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 11:26:49,387 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 11:26:49,387 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 11:26:49,387 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 11:26:49,387 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 11:26:49,387 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 11:26:49,388 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 11:26:49,388 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 11:26:49,388 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 11:26:49,394 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 11:26:49,394 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 11:26:49,394 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 11:26:49,394 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 11:26:49,395 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 11:26:49,395 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 11:26:49,395 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 11:26:49,395 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 11:26:49,395 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-10-22 11:26:49,395 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 11:26:49,395 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 11:26:49,396 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-22 11:26:49,396 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_a747705b-dbf9-4cff-8646-3a0c5e6c9b62/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 -> 3f5feda30a80cf6aabd7a2a811c7fc0f92333d0d [2019-10-22 11:26:49,423 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 11:26:49,437 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 11:26:49,442 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 11:26:49,444 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 11:26:49,444 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 11:26:49,445 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_a747705b-dbf9-4cff-8646-3a0c5e6c9b62/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec4_product63.cil.c [2019-10-22 11:26:49,492 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a747705b-dbf9-4cff-8646-3a0c5e6c9b62/bin/utaipan/data/3a6f3c92a/ca7ea73651d944aba919768105ed6a03/FLAG0ac8fc2df [2019-10-22 11:26:49,919 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 11:26:49,919 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_a747705b-dbf9-4cff-8646-3a0c5e6c9b62/sv-benchmarks/c/product-lines/minepump_spec4_product63.cil.c [2019-10-22 11:26:49,930 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a747705b-dbf9-4cff-8646-3a0c5e6c9b62/bin/utaipan/data/3a6f3c92a/ca7ea73651d944aba919768105ed6a03/FLAG0ac8fc2df [2019-10-22 11:26:49,942 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_a747705b-dbf9-4cff-8646-3a0c5e6c9b62/bin/utaipan/data/3a6f3c92a/ca7ea73651d944aba919768105ed6a03 [2019-10-22 11:26:49,944 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 11:26:49,945 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 11:26:49,946 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 11:26:49,946 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 11:26:49,949 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 11:26:49,950 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:26:49" (1/1) ... [2019-10-22 11:26:49,953 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b255a4e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:49, skipping insertion in model container [2019-10-22 11:26:49,953 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:26:49" (1/1) ... [2019-10-22 11:26:49,960 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 11:26:50,000 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 11:26:50,313 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:26:50,327 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 11:26:50,424 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:26:50,454 INFO L192 MainTranslator]: Completed translation [2019-10-22 11:26:50,454 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:50 WrapperNode [2019-10-22 11:26:50,455 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 11:26:50,455 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 11:26:50,456 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 11:26:50,456 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 11:26:50,462 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:50" (1/1) ... [2019-10-22 11:26:50,492 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:50" (1/1) ... [2019-10-22 11:26:50,564 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 11:26:50,564 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 11:26:50,564 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 11:26:50,565 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 11:26:50,582 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:50" (1/1) ... [2019-10-22 11:26:50,582 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:50" (1/1) ... [2019-10-22 11:26:50,590 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:50" (1/1) ... [2019-10-22 11:26:50,600 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:50" (1/1) ... [2019-10-22 11:26:50,626 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:50" (1/1) ... [2019-10-22 11:26:50,635 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:50" (1/1) ... [2019-10-22 11:26:50,651 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:50" (1/1) ... [2019-10-22 11:26:50,662 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 11:26:50,663 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 11:26:50,663 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 11:26:50,663 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 11:26:50,664 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:50" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a747705b-dbf9-4cff-8646-3a0c5e6c9b62/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 11:26:50,723 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 11:26:50,723 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-22 11:26:50,723 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 11:26:50,725 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 11:26:51,767 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 11:26:51,767 INFO L284 CfgBuilder]: Removed 352 assume(true) statements. [2019-10-22 11:26:51,768 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:26:51 BoogieIcfgContainer [2019-10-22 11:26:51,768 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 11:26:51,769 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 11:26:51,769 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 11:26:51,772 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 11:26:51,773 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 11:26:49" (1/3) ... [2019-10-22 11:26:51,773 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32b31402 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:26:51, skipping insertion in model container [2019-10-22 11:26:51,774 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:50" (2/3) ... [2019-10-22 11:26:51,774 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32b31402 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:26:51, skipping insertion in model container [2019-10-22 11:26:51,774 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:26:51" (3/3) ... [2019-10-22 11:26:51,776 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product63.cil.c [2019-10-22 11:26:51,785 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 11:26:51,793 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-10-22 11:26:51,804 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-10-22 11:26:51,830 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 11:26:51,831 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-22 11:26:51,831 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 11:26:51,831 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 11:26:51,832 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 11:26:51,832 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 11:26:51,833 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 11:26:51,833 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 11:26:51,857 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states. [2019-10-22 11:26:51,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-10-22 11:26:51,865 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:26:51,866 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:26:51,868 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:26:51,874 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:26:51,874 INFO L82 PathProgramCache]: Analyzing trace with hash 1634761723, now seen corresponding path program 1 times [2019-10-22 11:26:51,883 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:26:51,884 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [855081917] [2019-10-22 11:26:51,884 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:26:51,884 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:26:51,885 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:26:52,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:26:52,079 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 11:26:52,081 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [855081917] [2019-10-22 11:26:52,081 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:26:52,082 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 11:26:52,082 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [289963508] [2019-10-22 11:26:52,086 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-22 11:26:52,087 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:26:52,098 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-22 11:26:52,098 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-22 11:26:52,100 INFO L87 Difference]: Start difference. First operand 227 states. Second operand 2 states. [2019-10-22 11:26:52,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:26:52,142 INFO L93 Difference]: Finished difference Result 448 states and 671 transitions. [2019-10-22 11:26:52,142 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-22 11:26:52,143 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2019-10-22 11:26:52,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:26:52,155 INFO L225 Difference]: With dead ends: 448 [2019-10-22 11:26:52,155 INFO L226 Difference]: Without dead ends: 223 [2019-10-22 11:26:52,158 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 11:26:52,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 223 states. [2019-10-22 11:26:52,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 223 to 223. [2019-10-22 11:26:52,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 223 states. [2019-10-22 11:26:52,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 223 states and 327 transitions. [2019-10-22 11:26:52,204 INFO L78 Accepts]: Start accepts. Automaton has 223 states and 327 transitions. Word has length 16 [2019-10-22 11:26:52,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:26:52,204 INFO L462 AbstractCegarLoop]: Abstraction has 223 states and 327 transitions. [2019-10-22 11:26:52,204 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-22 11:26:52,204 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 327 transitions. [2019-10-22 11:26:52,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-10-22 11:26:52,205 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:26:52,205 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 11:26:52,206 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:26:52,206 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:26:52,206 INFO L82 PathProgramCache]: Analyzing trace with hash 588004826, now seen corresponding path program 1 times [2019-10-22 11:26:52,206 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:26:52,206 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [155607747] [2019-10-22 11:26:52,207 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:26:52,207 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:26:52,207 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:26:52,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:26:52,324 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 11:26:52,324 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [155607747] [2019-10-22 11:26:52,324 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:26:52,324 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 11:26:52,324 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [555725764] [2019-10-22 11:26:52,325 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 11:26:52,326 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:26:52,326 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 11:26:52,326 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:26:52,326 INFO L87 Difference]: Start difference. First operand 223 states and 327 transitions. Second operand 3 states. [2019-10-22 11:26:52,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:26:52,342 INFO L93 Difference]: Finished difference Result 223 states and 327 transitions. [2019-10-22 11:26:52,343 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 11:26:52,343 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2019-10-22 11:26:52,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:26:52,344 INFO L225 Difference]: With dead ends: 223 [2019-10-22 11:26:52,344 INFO L226 Difference]: Without dead ends: 85 [2019-10-22 11:26:52,345 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 11:26:52,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2019-10-22 11:26:52,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 85. [2019-10-22 11:26:52,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 85 states. [2019-10-22 11:26:52,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 124 transitions. [2019-10-22 11:26:52,354 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 124 transitions. Word has length 17 [2019-10-22 11:26:52,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:26:52,354 INFO L462 AbstractCegarLoop]: Abstraction has 85 states and 124 transitions. [2019-10-22 11:26:52,354 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 11:26:52,354 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 124 transitions. [2019-10-22 11:26:52,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-10-22 11:26:52,355 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:26:52,355 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 11:26:52,355 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:26:52,355 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:26:52,355 INFO L82 PathProgramCache]: Analyzing trace with hash 614961122, now seen corresponding path program 1 times [2019-10-22 11:26:52,355 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:26:52,356 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [377427279] [2019-10-22 11:26:52,356 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:26:52,356 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:26:52,356 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:26:52,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:26:52,470 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 11:26:52,470 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [377427279] [2019-10-22 11:26:52,470 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:26:52,471 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 11:26:52,471 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1961867378] [2019-10-22 11:26:52,471 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 11:26:52,471 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:26:52,472 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 11:26:52,472 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:26:52,475 INFO L87 Difference]: Start difference. First operand 85 states and 124 transitions. Second operand 3 states. [2019-10-22 11:26:52,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:26:52,512 INFO L93 Difference]: Finished difference Result 243 states and 360 transitions. [2019-10-22 11:26:52,513 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 11:26:52,513 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2019-10-22 11:26:52,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:26:52,514 INFO L225 Difference]: With dead ends: 243 [2019-10-22 11:26:52,514 INFO L226 Difference]: Without dead ends: 164 [2019-10-22 11:26:52,515 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 11:26:52,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2019-10-22 11:26:52,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 160. [2019-10-22 11:26:52,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 160 states. [2019-10-22 11:26:52,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 237 transitions. [2019-10-22 11:26:52,533 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 237 transitions. Word has length 22 [2019-10-22 11:26:52,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:26:52,533 INFO L462 AbstractCegarLoop]: Abstraction has 160 states and 237 transitions. [2019-10-22 11:26:52,533 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 11:26:52,533 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 237 transitions. [2019-10-22 11:26:52,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-10-22 11:26:52,534 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:26:52,534 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 11:26:52,534 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:26:52,535 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:26:52,535 INFO L82 PathProgramCache]: Analyzing trace with hash -95779936, now seen corresponding path program 1 times [2019-10-22 11:26:52,535 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:26:52,535 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [786593467] [2019-10-22 11:26:52,535 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:26:52,535 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:26:52,535 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:26:52,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:26:52,588 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 11:26:52,589 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [786593467] [2019-10-22 11:26:52,589 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:26:52,589 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 11:26:52,589 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1711763820] [2019-10-22 11:26:52,590 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 11:26:52,590 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:26:52,590 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 11:26:52,590 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:26:52,590 INFO L87 Difference]: Start difference. First operand 160 states and 237 transitions. Second operand 3 states. [2019-10-22 11:26:52,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:26:52,644 INFO L93 Difference]: Finished difference Result 325 states and 486 transitions. [2019-10-22 11:26:52,645 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 11:26:52,645 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 25 [2019-10-22 11:26:52,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:26:52,646 INFO L225 Difference]: With dead ends: 325 [2019-10-22 11:26:52,646 INFO L226 Difference]: Without dead ends: 171 [2019-10-22 11:26:52,648 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 11:26:52,649 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2019-10-22 11:26:52,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 169. [2019-10-22 11:26:52,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 169 states. [2019-10-22 11:26:52,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 243 transitions. [2019-10-22 11:26:52,663 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 243 transitions. Word has length 25 [2019-10-22 11:26:52,663 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:26:52,664 INFO L462 AbstractCegarLoop]: Abstraction has 169 states and 243 transitions. [2019-10-22 11:26:52,664 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 11:26:52,664 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 243 transitions. [2019-10-22 11:26:52,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-10-22 11:26:52,664 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:26:52,665 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 11:26:52,665 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:26:52,665 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:26:52,665 INFO L82 PathProgramCache]: Analyzing trace with hash -562945097, now seen corresponding path program 1 times [2019-10-22 11:26:52,665 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:26:52,666 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1900582827] [2019-10-22 11:26:52,666 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:26:52,666 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:26:52,666 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:26:52,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:26:52,753 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 11:26:52,753 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1900582827] [2019-10-22 11:26:52,753 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:26:52,754 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 11:26:52,754 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [34272348] [2019-10-22 11:26:52,754 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 11:26:52,754 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:26:52,754 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 11:26:52,754 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 169 states and 243 transitions. Second operand 5 states. [2019-10-22 11:26:52,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:26:52,867 INFO L93 Difference]: Finished difference Result 593 states and 857 transitions. [2019-10-22 11:26:52,867 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-22 11:26:52,868 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2019-10-22 11:26:52,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:26:52,869 INFO L225 Difference]: With dead ends: 593 [2019-10-22 11:26:52,870 INFO L226 Difference]: Without dead ends: 430 [2019-10-22 11:26:52,870 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 11:26:52,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 430 states. [2019-10-22 11:26:52,892 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 430 to 260. [2019-10-22 11:26:52,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 260 states. [2019-10-22 11:26:52,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 260 states and 364 transitions. [2019-10-22 11:26:52,894 INFO L78 Accepts]: Start accepts. Automaton has 260 states and 364 transitions. Word has length 25 [2019-10-22 11:26:52,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:26:52,894 INFO L462 AbstractCegarLoop]: Abstraction has 260 states and 364 transitions. [2019-10-22 11:26:52,894 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 11:26:52,894 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 364 transitions. [2019-10-22 11:26:52,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-10-22 11:26:52,895 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:26:52,895 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 11:26:52,895 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:26:52,896 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:26:52,896 INFO L82 PathProgramCache]: Analyzing trace with hash 1772713209, now seen corresponding path program 1 times [2019-10-22 11:26:52,896 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:26:52,896 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2068726549] [2019-10-22 11:26:52,896 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:26:52,897 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:26:52,897 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:26:52,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:26:52,968 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 11:26:52,968 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2068726549] [2019-10-22 11:26:52,968 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:26:52,969 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 11:26:52,969 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [543094251] [2019-10-22 11:26:52,969 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 11:26:52,969 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:26:52,969 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 11:26:52,970 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 11:26:52,970 INFO L87 Difference]: Start difference. First operand 260 states and 364 transitions. Second operand 5 states. [2019-10-22 11:26:53,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:26:53,142 INFO L93 Difference]: Finished difference Result 592 states and 842 transitions. [2019-10-22 11:26:53,144 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-22 11:26:53,144 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 26 [2019-10-22 11:26:53,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:26:53,146 INFO L225 Difference]: With dead ends: 592 [2019-10-22 11:26:53,147 INFO L226 Difference]: Without dead ends: 590 [2019-10-22 11:26:53,147 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 11:26:53,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 590 states. [2019-10-22 11:26:53,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 590 to 260. [2019-10-22 11:26:53,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 260 states. [2019-10-22 11:26:53,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 260 states and 362 transitions. [2019-10-22 11:26:53,175 INFO L78 Accepts]: Start accepts. Automaton has 260 states and 362 transitions. Word has length 26 [2019-10-22 11:26:53,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:26:53,181 INFO L462 AbstractCegarLoop]: Abstraction has 260 states and 362 transitions. [2019-10-22 11:26:53,181 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 11:26:53,181 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 362 transitions. [2019-10-22 11:26:53,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-10-22 11:26:53,184 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:26:53,184 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] [2019-10-22 11:26:53,184 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:26:53,184 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:26:53,185 INFO L82 PathProgramCache]: Analyzing trace with hash 1614567615, now seen corresponding path program 1 times [2019-10-22 11:26:53,185 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:26:53,185 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1762152260] [2019-10-22 11:26:53,185 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:26:53,185 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:26:53,185 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:26:53,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:26:53,241 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 11:26:53,241 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1762152260] [2019-10-22 11:26:53,242 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:26:53,242 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-22 11:26:53,242 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [590649208] [2019-10-22 11:26:53,242 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 11:26:53,242 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:26:53,243 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 11:26:53,243 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 11:26:53,243 INFO L87 Difference]: Start difference. First operand 260 states and 362 transitions. Second operand 5 states. [2019-10-22 11:26:53,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:26:53,345 INFO L93 Difference]: Finished difference Result 702 states and 966 transitions. [2019-10-22 11:26:53,346 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-22 11:26:53,346 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 35 [2019-10-22 11:26:53,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:26:53,348 INFO L225 Difference]: With dead ends: 702 [2019-10-22 11:26:53,348 INFO L226 Difference]: Without dead ends: 448 [2019-10-22 11:26:53,348 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 11:26:53,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 448 states. [2019-10-22 11:26:53,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 448 to 284. [2019-10-22 11:26:53,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 284 states. [2019-10-22 11:26:53,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 284 states and 386 transitions. [2019-10-22 11:26:53,368 INFO L78 Accepts]: Start accepts. Automaton has 284 states and 386 transitions. Word has length 35 [2019-10-22 11:26:53,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:26:53,369 INFO L462 AbstractCegarLoop]: Abstraction has 284 states and 386 transitions. [2019-10-22 11:26:53,370 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 11:26:53,370 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 386 transitions. [2019-10-22 11:26:53,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-10-22 11:26:53,371 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:26:53,371 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] [2019-10-22 11:26:53,371 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:26:53,371 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:26:53,372 INFO L82 PathProgramCache]: Analyzing trace with hash 1027761601, now seen corresponding path program 1 times [2019-10-22 11:26:53,372 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:26:53,372 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1621967705] [2019-10-22 11:26:53,372 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:26:53,372 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:26:53,372 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:26:53,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:26:53,441 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 11:26:53,441 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1621967705] [2019-10-22 11:26:53,441 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:26:53,442 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-22 11:26:53,442 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [700041043] [2019-10-22 11:26:53,442 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 11:26:53,442 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:26:53,442 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 11:26:53,443 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 11:26:53,443 INFO L87 Difference]: Start difference. First operand 284 states and 386 transitions. Second operand 5 states. [2019-10-22 11:26:53,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:26:53,621 INFO L93 Difference]: Finished difference Result 685 states and 919 transitions. [2019-10-22 11:26:53,621 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-22 11:26:53,622 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 35 [2019-10-22 11:26:53,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:26:53,623 INFO L225 Difference]: With dead ends: 685 [2019-10-22 11:26:53,623 INFO L226 Difference]: Without dead ends: 407 [2019-10-22 11:26:53,624 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-10-22 11:26:53,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 407 states. [2019-10-22 11:26:53,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 407 to 251. [2019-10-22 11:26:53,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 251 states. [2019-10-22 11:26:53,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 251 states and 334 transitions. [2019-10-22 11:26:53,643 INFO L78 Accepts]: Start accepts. Automaton has 251 states and 334 transitions. Word has length 35 [2019-10-22 11:26:53,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:26:53,643 INFO L462 AbstractCegarLoop]: Abstraction has 251 states and 334 transitions. [2019-10-22 11:26:53,643 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 11:26:53,643 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 334 transitions. [2019-10-22 11:26:53,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-10-22 11:26:53,646 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:26:53,646 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] [2019-10-22 11:26:53,646 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:26:53,646 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:26:53,646 INFO L82 PathProgramCache]: Analyzing trace with hash -252102077, now seen corresponding path program 1 times [2019-10-22 11:26:53,646 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:26:53,647 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1247527790] [2019-10-22 11:26:53,647 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:26:53,647 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:26:53,647 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:26:53,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:26:53,699 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:26:53,699 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1247527790] [2019-10-22 11:26:53,699 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:26:53,699 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-22 11:26:53,699 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1429750094] [2019-10-22 11:26:53,700 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 11:26:53,700 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:26:53,700 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 11:26:53,700 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 11:26:53,700 INFO L87 Difference]: Start difference. First operand 251 states and 334 transitions. Second operand 5 states. [2019-10-22 11:26:53,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:26:53,836 INFO L93 Difference]: Finished difference Result 720 states and 972 transitions. [2019-10-22 11:26:53,836 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-22 11:26:53,836 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 35 [2019-10-22 11:26:53,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:26:53,838 INFO L225 Difference]: With dead ends: 720 [2019-10-22 11:26:53,838 INFO L226 Difference]: Without dead ends: 527 [2019-10-22 11:26:53,839 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 11:26:53,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 527 states. [2019-10-22 11:26:53,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 527 to 344. [2019-10-22 11:26:53,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 344 states. [2019-10-22 11:26:53,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 344 states and 451 transitions. [2019-10-22 11:26:53,864 INFO L78 Accepts]: Start accepts. Automaton has 344 states and 451 transitions. Word has length 35 [2019-10-22 11:26:53,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:26:53,865 INFO L462 AbstractCegarLoop]: Abstraction has 344 states and 451 transitions. [2019-10-22 11:26:53,865 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 11:26:53,865 INFO L276 IsEmpty]: Start isEmpty. Operand 344 states and 451 transitions. [2019-10-22 11:26:53,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-10-22 11:26:53,866 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:26:53,866 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:26:53,866 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:26:53,866 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:26:53,866 INFO L82 PathProgramCache]: Analyzing trace with hash -822173497, now seen corresponding path program 1 times [2019-10-22 11:26:53,866 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:26:53,867 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1261274221] [2019-10-22 11:26:53,867 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:26:53,867 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:26:53,867 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:26:53,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:26:53,898 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-22 11:26:53,898 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1261274221] [2019-10-22 11:26:53,898 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:26:53,898 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 11:26:53,898 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [264472300] [2019-10-22 11:26:53,898 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 11:26:53,899 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:26:53,899 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 11:26:53,899 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:26:53,899 INFO L87 Difference]: Start difference. First operand 344 states and 451 transitions. Second operand 3 states. [2019-10-22 11:26:53,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:26:53,945 INFO L93 Difference]: Finished difference Result 410 states and 538 transitions. [2019-10-22 11:26:53,946 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 11:26:53,946 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2019-10-22 11:26:53,946 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:26:53,947 INFO L225 Difference]: With dead ends: 410 [2019-10-22 11:26:53,947 INFO L226 Difference]: Without dead ends: 172 [2019-10-22 11:26:53,947 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 11:26:53,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states. [2019-10-22 11:26:53,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 172. [2019-10-22 11:26:53,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 172 states. [2019-10-22 11:26:53,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 217 transitions. [2019-10-22 11:26:53,960 INFO L78 Accepts]: Start accepts. Automaton has 172 states and 217 transitions. Word has length 52 [2019-10-22 11:26:53,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:26:53,960 INFO L462 AbstractCegarLoop]: Abstraction has 172 states and 217 transitions. [2019-10-22 11:26:53,960 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 11:26:53,961 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 217 transitions. [2019-10-22 11:26:53,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2019-10-22 11:26:53,961 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:26:53,961 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:26:53,961 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:26:53,962 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:26:53,962 INFO L82 PathProgramCache]: Analyzing trace with hash -1139010814, now seen corresponding path program 1 times [2019-10-22 11:26:53,962 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:26:53,962 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [931183337] [2019-10-22 11:26:53,962 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:26:53,962 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:26:53,962 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:26:53,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:26:54,021 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 11:26:54,021 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [931183337] [2019-10-22 11:26:54,021 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1555737711] [2019-10-22 11:26:54,021 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a747705b-dbf9-4cff-8646-3a0c5e6c9b62/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 11:26:54,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:26:54,133 INFO L256 TraceCheckSpWp]: Trace formula consists of 433 conjuncts, 6 conjunts are in the unsatisfiable core [2019-10-22 11:26:54,139 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 11:26:54,171 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 11:26:54,173 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 11:26:54,205 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 11:26:54,205 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleAbstractInterpretation [907534334] [2019-10-22 11:26:54,210 INFO L211 CegarAbsIntRunner]: Running AI on error trace of length 61 [2019-10-22 11:26:54,259 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2019-10-22 11:26:54,259 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-22 11:26:54,717 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-22 11:26:54,718 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 11:26:54,724 INFO L168 Benchmark]: Toolchain (without parser) took 4777.42 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 249.6 MB). Free memory was 944.5 MB in the beginning and 1.1 GB in the end (delta: -105.9 MB). Peak memory consumption was 143.6 MB. Max. memory is 11.5 GB. [2019-10-22 11:26:54,725 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 960.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 11:26:54,727 INFO L168 Benchmark]: CACSL2BoogieTranslator took 508.74 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 162.5 MB). Free memory was 939.2 MB in the beginning and 1.1 GB in the end (delta: -198.7 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. [2019-10-22 11:26:54,728 INFO L168 Benchmark]: Boogie Procedure Inliner took 108.67 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2019-10-22 11:26:54,728 INFO L168 Benchmark]: Boogie Preprocessor took 98.05 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: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 11.5 GB. [2019-10-22 11:26:54,730 INFO L168 Benchmark]: RCFGBuilder took 1105.86 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 97.4 MB). Peak memory consumption was 97.4 MB. Max. memory is 11.5 GB. [2019-10-22 11:26:54,731 INFO L168 Benchmark]: TraceAbstraction took 2952.43 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 87.0 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -18.6 MB). Peak memory consumption was 68.5 MB. Max. memory is 11.5 GB. [2019-10-22 11:26:54,735 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 960.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 508.74 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 162.5 MB). Free memory was 939.2 MB in the beginning and 1.1 GB in the end (delta: -198.7 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 108.67 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 98.05 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: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1105.86 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 97.4 MB). Peak memory consumption was 97.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2952.43 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 87.0 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -18.6 MB). Peak memory consumption was 68.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: inappropriate decl info IMPLEMENTATION de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: inappropriate decl info IMPLEMENTATION: de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Boogie2SmtSymbolTable.getBoogieVar(Boogie2SmtSymbolTable.java:222) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-cad4683 [2019-10-22 11:26:56,760 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 11:26:56,761 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 11:26:56,770 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 11:26:56,770 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 11:26:56,771 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 11:26:56,772 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 11:26:56,773 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 11:26:56,774 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 11:26:56,775 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 11:26:56,776 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 11:26:56,777 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 11:26:56,777 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 11:26:56,777 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 11:26:56,778 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 11:26:56,779 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 11:26:56,780 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 11:26:56,780 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 11:26:56,782 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 11:26:56,783 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 11:26:56,784 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 11:26:56,785 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 11:26:56,786 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 11:26:56,787 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 11:26:56,789 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 11:26:56,789 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 11:26:56,789 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 11:26:56,790 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 11:26:56,790 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 11:26:56,791 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 11:26:56,791 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 11:26:56,792 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 11:26:56,793 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 11:26:56,794 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 11:26:56,794 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 11:26:56,795 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 11:26:56,795 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 11:26:56,795 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 11:26:56,796 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 11:26:56,797 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 11:26:56,797 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 11:26:56,798 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_a747705b-dbf9-4cff-8646-3a0c5e6c9b62/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2019-10-22 11:26:56,810 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 11:26:56,810 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 11:26:56,811 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-22 11:26:56,811 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-22 11:26:56,811 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-22 11:26:56,811 INFO L138 SettingsManager]: * Explicit value domain=true [2019-10-22 11:26:56,811 INFO L138 SettingsManager]: * Octagon Domain=false [2019-10-22 11:26:56,812 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-10-22 11:26:56,812 INFO L138 SettingsManager]: * Interval Domain=false [2019-10-22 11:26:56,813 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 11:26:56,813 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 11:26:56,813 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 11:26:56,813 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 11:26:56,813 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 11:26:56,813 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 11:26:56,814 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 11:26:56,814 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-10-22 11:26:56,814 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-10-22 11:26:56,814 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 11:26:56,814 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 11:26:56,814 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 11:26:56,814 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 11:26:56,815 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 11:26:56,815 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 11:26:56,815 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 11:26:56,815 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 11:26:56,815 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 11:26:56,815 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 11:26:56,816 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 11:26:56,816 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 11:26:56,816 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-10-22 11:26:56,816 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-10-22 11:26:56,817 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 11:26:56,817 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-22 11:26:56,817 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_a747705b-dbf9-4cff-8646-3a0c5e6c9b62/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 -> 3f5feda30a80cf6aabd7a2a811c7fc0f92333d0d [2019-10-22 11:26:56,844 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 11:26:56,854 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 11:26:56,857 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 11:26:56,858 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 11:26:56,859 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 11:26:56,859 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_a747705b-dbf9-4cff-8646-3a0c5e6c9b62/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec4_product63.cil.c [2019-10-22 11:26:56,906 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a747705b-dbf9-4cff-8646-3a0c5e6c9b62/bin/utaipan/data/10c97431d/f5f27340e3894a14a9d2299a1c605dcf/FLAG95f4b9a1b [2019-10-22 11:26:57,323 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 11:26:57,324 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_a747705b-dbf9-4cff-8646-3a0c5e6c9b62/sv-benchmarks/c/product-lines/minepump_spec4_product63.cil.c [2019-10-22 11:26:57,334 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a747705b-dbf9-4cff-8646-3a0c5e6c9b62/bin/utaipan/data/10c97431d/f5f27340e3894a14a9d2299a1c605dcf/FLAG95f4b9a1b [2019-10-22 11:26:57,677 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_a747705b-dbf9-4cff-8646-3a0c5e6c9b62/bin/utaipan/data/10c97431d/f5f27340e3894a14a9d2299a1c605dcf [2019-10-22 11:26:57,680 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 11:26:57,681 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 11:26:57,683 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 11:26:57,686 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 11:26:57,689 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 11:26:57,690 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:26:57" (1/1) ... [2019-10-22 11:26:57,693 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5629e6e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:57, skipping insertion in model container [2019-10-22 11:26:57,693 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:26:57" (1/1) ... [2019-10-22 11:26:57,700 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 11:26:57,750 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 11:26:58,034 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:26:58,123 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 11:26:58,208 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:26:58,241 INFO L192 MainTranslator]: Completed translation [2019-10-22 11:26:58,241 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:58 WrapperNode [2019-10-22 11:26:58,241 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 11:26:58,242 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 11:26:58,242 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 11:26:58,242 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 11:26:58,251 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:58" (1/1) ... [2019-10-22 11:26:58,266 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:58" (1/1) ... [2019-10-22 11:26:58,316 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 11:26:58,316 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 11:26:58,316 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 11:26:58,316 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 11:26:58,330 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:58" (1/1) ... [2019-10-22 11:26:58,330 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:58" (1/1) ... [2019-10-22 11:26:58,336 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:58" (1/1) ... [2019-10-22 11:26:58,336 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:58" (1/1) ... [2019-10-22 11:26:58,353 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:58" (1/1) ... [2019-10-22 11:26:58,377 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:58" (1/1) ... [2019-10-22 11:26:58,380 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:58" (1/1) ... [2019-10-22 11:26:58,397 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 11:26:58,397 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 11:26:58,397 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 11:26:58,398 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 11:26:58,408 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:58" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a747705b-dbf9-4cff-8646-3a0c5e6c9b62/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 11:26:58,463 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 11:26:58,463 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2019-10-22 11:26:58,463 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 11:26:58,463 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 11:26:59,824 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 11:26:59,825 INFO L284 CfgBuilder]: Removed 352 assume(true) statements. [2019-10-22 11:26:59,826 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:26:59 BoogieIcfgContainer [2019-10-22 11:26:59,826 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 11:26:59,827 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 11:26:59,827 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 11:26:59,830 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 11:26:59,830 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 11:26:57" (1/3) ... [2019-10-22 11:26:59,830 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@546a6598 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:26:59, skipping insertion in model container [2019-10-22 11:26:59,831 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:58" (2/3) ... [2019-10-22 11:26:59,831 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@546a6598 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:26:59, skipping insertion in model container [2019-10-22 11:26:59,831 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:26:59" (3/3) ... [2019-10-22 11:26:59,833 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product63.cil.c [2019-10-22 11:26:59,842 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 11:26:59,850 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-10-22 11:26:59,858 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-10-22 11:26:59,878 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 11:26:59,878 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-22 11:26:59,878 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 11:26:59,878 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 11:26:59,878 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 11:26:59,878 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 11:26:59,879 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 11:26:59,879 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 11:26:59,896 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states. [2019-10-22 11:26:59,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-10-22 11:26:59,902 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:26:59,903 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:26:59,905 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:26:59,909 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:26:59,910 INFO L82 PathProgramCache]: Analyzing trace with hash 1634761723, now seen corresponding path program 1 times [2019-10-22 11:26:59,919 INFO L157 tionRefinementEngine]: Executing refinement strategy WALRUS [2019-10-22 11:26:59,919 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [860277022] [2019-10-22 11:26:59,919 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a747705b-dbf9-4cff-8646-3a0c5e6c9b62/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 11:27:00,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:27:00,093 INFO L256 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 1 conjunts are in the unsatisfiable core [2019-10-22 11:27:00,098 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 11:27:00,111 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 11:27:00,111 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 11:27:00,116 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 11:27:00,119 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [860277022] [2019-10-22 11:27:00,120 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:27:00,120 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-10-22 11:27:00,120 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1883427220] [2019-10-22 11:27:00,127 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-22 11:27:00,127 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-10-22 11:27:00,140 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-22 11:27:00,142 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-22 11:27:00,144 INFO L87 Difference]: Start difference. First operand 227 states. Second operand 2 states. [2019-10-22 11:27:00,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:27:00,199 INFO L93 Difference]: Finished difference Result 448 states and 671 transitions. [2019-10-22 11:27:00,199 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-22 11:27:00,201 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2019-10-22 11:27:00,201 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:27:00,213 INFO L225 Difference]: With dead ends: 448 [2019-10-22 11:27:00,213 INFO L226 Difference]: Without dead ends: 223 [2019-10-22 11:27:00,217 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 11:27:00,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 223 states. [2019-10-22 11:27:00,272 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 223 to 223. [2019-10-22 11:27:00,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 223 states. [2019-10-22 11:27:00,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 223 states and 327 transitions. [2019-10-22 11:27:00,283 INFO L78 Accepts]: Start accepts. Automaton has 223 states and 327 transitions. Word has length 16 [2019-10-22 11:27:00,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:27:00,283 INFO L462 AbstractCegarLoop]: Abstraction has 223 states and 327 transitions. [2019-10-22 11:27:00,284 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-22 11:27:00,284 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 327 transitions. [2019-10-22 11:27:00,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-10-22 11:27:00,285 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:27:00,285 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 11:27:00,485 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-10-22 11:27:00,486 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:27:00,486 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:27:00,486 INFO L82 PathProgramCache]: Analyzing trace with hash 588004826, now seen corresponding path program 1 times [2019-10-22 11:27:00,487 INFO L157 tionRefinementEngine]: Executing refinement strategy WALRUS [2019-10-22 11:27:00,487 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [801098867] [2019-10-22 11:27:00,487 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a747705b-dbf9-4cff-8646-3a0c5e6c9b62/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 11:27:00,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:27:00,626 INFO L256 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 2 conjunts are in the unsatisfiable core [2019-10-22 11:27:00,628 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 11:27:00,650 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 11:27:00,651 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 11:27:00,659 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:27:00,659 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [801098867] [2019-10-22 11:27:00,660 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:27:00,660 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2019-10-22 11:27:00,660 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [307421940] [2019-10-22 11:27:00,665 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 11:27:00,665 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-10-22 11:27:00,665 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 11:27:00,666 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-22 11:27:00,666 INFO L87 Difference]: Start difference. First operand 223 states and 327 transitions. Second operand 4 states. [2019-10-22 11:27:00,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:27:00,772 INFO L93 Difference]: Finished difference Result 706 states and 1038 transitions. [2019-10-22 11:27:00,773 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-22 11:27:00,773 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 17 [2019-10-22 11:27:00,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:27:00,776 INFO L225 Difference]: With dead ends: 706 [2019-10-22 11:27:00,780 INFO L226 Difference]: Without dead ends: 489 [2019-10-22 11:27:00,782 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 11:27:00,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 489 states. [2019-10-22 11:27:00,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 489 to 264. [2019-10-22 11:27:00,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 264 states. [2019-10-22 11:27:00,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 264 states and 387 transitions. [2019-10-22 11:27:00,823 INFO L78 Accepts]: Start accepts. Automaton has 264 states and 387 transitions. Word has length 17 [2019-10-22 11:27:00,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:27:00,823 INFO L462 AbstractCegarLoop]: Abstraction has 264 states and 387 transitions. [2019-10-22 11:27:00,823 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 11:27:00,823 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 387 transitions. [2019-10-22 11:27:00,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-10-22 11:27:00,824 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:27:00,824 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 11:27:01,025 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-10-22 11:27:01,025 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:27:01,026 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:27:01,026 INFO L82 PathProgramCache]: Analyzing trace with hash 8374278, now seen corresponding path program 1 times [2019-10-22 11:27:01,026 INFO L157 tionRefinementEngine]: Executing refinement strategy WALRUS [2019-10-22 11:27:01,027 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [437325670] [2019-10-22 11:27:01,027 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a747705b-dbf9-4cff-8646-3a0c5e6c9b62/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 11:27:01,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:27:01,168 INFO L256 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 2 conjunts are in the unsatisfiable core [2019-10-22 11:27:01,170 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 11:27:01,175 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 11:27:01,176 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 11:27:01,178 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 11:27:01,178 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [437325670] [2019-10-22 11:27:01,178 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:27:01,179 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2019-10-22 11:27:01,179 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1320787599] [2019-10-22 11:27:01,179 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 11:27:01,179 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-10-22 11:27:01,180 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 11:27:01,180 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:27:01,180 INFO L87 Difference]: Start difference. First operand 264 states and 387 transitions. Second operand 3 states. [2019-10-22 11:27:01,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:27:01,374 INFO L93 Difference]: Finished difference Result 522 states and 761 transitions. [2019-10-22 11:27:01,375 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 11:27:01,376 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 20 [2019-10-22 11:27:01,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:27:01,377 INFO L225 Difference]: With dead ends: 522 [2019-10-22 11:27:01,377 INFO L226 Difference]: Without dead ends: 264 [2019-10-22 11:27:01,378 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 11:27:01,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 264 states. [2019-10-22 11:27:01,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 264 to 258. [2019-10-22 11:27:01,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 258 states. [2019-10-22 11:27:01,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 258 states and 358 transitions. [2019-10-22 11:27:01,425 INFO L78 Accepts]: Start accepts. Automaton has 258 states and 358 transitions. Word has length 20 [2019-10-22 11:27:01,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:27:01,425 INFO L462 AbstractCegarLoop]: Abstraction has 258 states and 358 transitions. [2019-10-22 11:27:01,425 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 11:27:01,425 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 358 transitions. [2019-10-22 11:27:01,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-10-22 11:27:01,426 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:27:01,426 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 11:27:01,628 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-10-22 11:27:01,629 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:27:01,629 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:27:01,629 INFO L82 PathProgramCache]: Analyzing trace with hash -562945097, now seen corresponding path program 1 times [2019-10-22 11:27:01,629 INFO L157 tionRefinementEngine]: Executing refinement strategy WALRUS [2019-10-22 11:27:01,629 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1289334652] [2019-10-22 11:27:01,630 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a747705b-dbf9-4cff-8646-3a0c5e6c9b62/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 11:27:01,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:27:01,767 INFO L256 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 8 conjunts are in the unsatisfiable core [2019-10-22 11:27:01,768 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 11:27:01,803 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 11:27:01,803 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 11:27:01,842 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:27:01,842 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1289334652] [2019-10-22 11:27:01,842 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:27:01,843 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5, 4] imperfect sequences [] total 8 [2019-10-22 11:27:01,843 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1956714749] [2019-10-22 11:27:01,843 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-22 11:27:01,843 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-10-22 11:27:01,844 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-22 11:27:01,844 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2019-10-22 11:27:01,844 INFO L87 Difference]: Start difference. First operand 258 states and 358 transitions. Second operand 9 states. [2019-10-22 11:27:02,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:27:02,841 INFO L93 Difference]: Finished difference Result 1800 states and 2527 transitions. [2019-10-22 11:27:02,842 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2019-10-22 11:27:02,842 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 25 [2019-10-22 11:27:02,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:27:02,848 INFO L225 Difference]: With dead ends: 1800 [2019-10-22 11:27:02,848 INFO L226 Difference]: Without dead ends: 1548 [2019-10-22 11:27:02,849 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 11:27:02,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1548 states. [2019-10-22 11:27:02,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1548 to 618. [2019-10-22 11:27:02,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 618 states. [2019-10-22 11:27:02,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 618 states to 618 states and 834 transitions. [2019-10-22 11:27:02,911 INFO L78 Accepts]: Start accepts. Automaton has 618 states and 834 transitions. Word has length 25 [2019-10-22 11:27:02,911 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:27:02,911 INFO L462 AbstractCegarLoop]: Abstraction has 618 states and 834 transitions. [2019-10-22 11:27:02,911 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-22 11:27:02,911 INFO L276 IsEmpty]: Start isEmpty. Operand 618 states and 834 transitions. [2019-10-22 11:27:02,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2019-10-22 11:27:02,913 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:27:02,913 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 11:27:03,114 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-10-22 11:27:03,114 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:27:03,115 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:27:03,115 INFO L82 PathProgramCache]: Analyzing trace with hash 2068693080, now seen corresponding path program 1 times [2019-10-22 11:27:03,115 INFO L157 tionRefinementEngine]: Executing refinement strategy WALRUS [2019-10-22 11:27:03,115 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1663994171] [2019-10-22 11:27:03,115 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a747705b-dbf9-4cff-8646-3a0c5e6c9b62/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 11:27:03,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:27:03,262 INFO L256 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 5 conjunts are in the unsatisfiable core [2019-10-22 11:27:03,264 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 11:27:03,288 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 11:27:03,288 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 11:27:03,292 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 11:27:03,292 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1663994171] [2019-10-22 11:27:03,293 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:27:03,293 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2019-10-22 11:27:03,293 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [176219581] [2019-10-22 11:27:03,293 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 11:27:03,293 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-10-22 11:27:03,294 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 11:27:03,294 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 11:27:03,294 INFO L87 Difference]: Start difference. First operand 618 states and 834 transitions. Second operand 5 states. [2019-10-22 11:27:03,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:27:03,798 INFO L93 Difference]: Finished difference Result 1500 states and 2050 transitions. [2019-10-22 11:27:03,798 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-22 11:27:03,798 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 40 [2019-10-22 11:27:03,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:27:03,804 INFO L225 Difference]: With dead ends: 1500 [2019-10-22 11:27:03,804 INFO L226 Difference]: Without dead ends: 1494 [2019-10-22 11:27:03,805 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 11:27:03,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1494 states. [2019-10-22 11:27:03,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1494 to 618. [2019-10-22 11:27:03,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 618 states. [2019-10-22 11:27:03,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 618 states to 618 states and 828 transitions. [2019-10-22 11:27:03,862 INFO L78 Accepts]: Start accepts. Automaton has 618 states and 828 transitions. Word has length 40 [2019-10-22 11:27:03,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:27:03,862 INFO L462 AbstractCegarLoop]: Abstraction has 618 states and 828 transitions. [2019-10-22 11:27:03,862 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 11:27:03,862 INFO L276 IsEmpty]: Start isEmpty. Operand 618 states and 828 transitions. [2019-10-22 11:27:03,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2019-10-22 11:27:03,865 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:27:03,865 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:27:04,065 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-10-22 11:27:04,066 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:27:04,066 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:27:04,066 INFO L82 PathProgramCache]: Analyzing trace with hash -1622819401, now seen corresponding path program 1 times [2019-10-22 11:27:04,066 INFO L157 tionRefinementEngine]: Executing refinement strategy WALRUS [2019-10-22 11:27:04,067 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1893402448] [2019-10-22 11:27:04,067 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a747705b-dbf9-4cff-8646-3a0c5e6c9b62/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 11:27:04,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:27:04,229 INFO L256 TraceCheckSpWp]: Trace formula consists of 226 conjuncts, 5 conjunts are in the unsatisfiable core [2019-10-22 11:27:04,230 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 11:27:04,254 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 11:27:04,255 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 11:27:04,263 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 11:27:04,263 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1893402448] [2019-10-22 11:27:04,264 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:27:04,264 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2019-10-22 11:27:04,264 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [647128724] [2019-10-22 11:27:04,265 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 11:27:04,266 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-10-22 11:27:04,274 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 11:27:04,274 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 11:27:04,274 INFO L87 Difference]: Start difference. First operand 618 states and 828 transitions. Second operand 5 states. [2019-10-22 11:27:04,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:27:04,577 INFO L93 Difference]: Finished difference Result 1754 states and 2301 transitions. [2019-10-22 11:27:04,578 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-22 11:27:04,578 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 50 [2019-10-22 11:27:04,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:27:04,582 INFO L225 Difference]: With dead ends: 1754 [2019-10-22 11:27:04,583 INFO L226 Difference]: Without dead ends: 1142 [2019-10-22 11:27:04,584 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 97 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 11:27:04,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1142 states. [2019-10-22 11:27:04,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1142 to 681. [2019-10-22 11:27:04,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 681 states. [2019-10-22 11:27:04,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 681 states to 681 states and 891 transitions. [2019-10-22 11:27:04,670 INFO L78 Accepts]: Start accepts. Automaton has 681 states and 891 transitions. Word has length 50 [2019-10-22 11:27:04,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:27:04,672 INFO L462 AbstractCegarLoop]: Abstraction has 681 states and 891 transitions. [2019-10-22 11:27:04,673 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 11:27:04,673 INFO L276 IsEmpty]: Start isEmpty. Operand 681 states and 891 transitions. [2019-10-22 11:27:04,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2019-10-22 11:27:04,676 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:27:04,677 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, 1, 1, 1] [2019-10-22 11:27:04,877 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-10-22 11:27:04,878 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:27:04,878 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:27:04,878 INFO L82 PathProgramCache]: Analyzing trace with hash 428164597, now seen corresponding path program 1 times [2019-10-22 11:27:04,879 INFO L157 tionRefinementEngine]: Executing refinement strategy WALRUS [2019-10-22 11:27:04,879 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [763114472] [2019-10-22 11:27:04,879 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a747705b-dbf9-4cff-8646-3a0c5e6c9b62/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 11:27:05,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:27:05,054 INFO L256 TraceCheckSpWp]: Trace formula consists of 226 conjuncts, 5 conjunts are in the unsatisfiable core [2019-10-22 11:27:05,056 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 11:27:05,078 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 11:27:05,078 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 11:27:05,119 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 11:27:05,120 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [763114472] [2019-10-22 11:27:05,120 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:27:05,120 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2019-10-22 11:27:05,120 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2008551898] [2019-10-22 11:27:05,121 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-22 11:27:05,121 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-10-22 11:27:05,121 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-22 11:27:05,121 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-10-22 11:27:05,122 INFO L87 Difference]: Start difference. First operand 681 states and 891 transitions. Second operand 6 states. [2019-10-22 11:27:05,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:27:05,403 INFO L93 Difference]: Finished difference Result 1646 states and 2127 transitions. [2019-10-22 11:27:05,404 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-22 11:27:05,404 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 50 [2019-10-22 11:27:05,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:27:05,407 INFO L225 Difference]: With dead ends: 1646 [2019-10-22 11:27:05,407 INFO L226 Difference]: Without dead ends: 896 [2019-10-22 11:27:05,409 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 95 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 11:27:05,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 896 states. [2019-10-22 11:27:05,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 896 to 544. [2019-10-22 11:27:05,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 544 states. [2019-10-22 11:27:05,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 544 states to 544 states and 704 transitions. [2019-10-22 11:27:05,461 INFO L78 Accepts]: Start accepts. Automaton has 544 states and 704 transitions. Word has length 50 [2019-10-22 11:27:05,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:27:05,461 INFO L462 AbstractCegarLoop]: Abstraction has 544 states and 704 transitions. [2019-10-22 11:27:05,461 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-22 11:27:05,461 INFO L276 IsEmpty]: Start isEmpty. Operand 544 states and 704 transitions. [2019-10-22 11:27:05,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2019-10-22 11:27:05,462 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:27:05,463 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, 1, 1, 1] [2019-10-22 11:27:05,663 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-10-22 11:27:05,664 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:27:05,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:27:05,664 INFO L82 PathProgramCache]: Analyzing trace with hash 863830974, now seen corresponding path program 1 times [2019-10-22 11:27:05,664 INFO L157 tionRefinementEngine]: Executing refinement strategy WALRUS [2019-10-22 11:27:05,664 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [769630952] [2019-10-22 11:27:05,664 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a747705b-dbf9-4cff-8646-3a0c5e6c9b62/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 11:27:05,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:27:05,792 INFO L256 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 2 conjunts are in the unsatisfiable core [2019-10-22 11:27:05,794 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 11:27:05,804 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 11:27:05,805 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 11:27:05,817 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 11:27:05,818 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [769630952] [2019-10-22 11:27:05,818 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:27:05,818 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2019-10-22 11:27:05,818 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1165913753] [2019-10-22 11:27:05,818 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 11:27:05,819 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-10-22 11:27:05,819 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 11:27:05,819 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:27:05,819 INFO L87 Difference]: Start difference. First operand 544 states and 704 transitions. Second operand 3 states. [2019-10-22 11:27:05,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:27:05,852 INFO L93 Difference]: Finished difference Result 544 states and 704 transitions. [2019-10-22 11:27:05,853 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 11:27:05,853 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 55 [2019-10-22 11:27:05,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:27:05,857 INFO L225 Difference]: With dead ends: 544 [2019-10-22 11:27:05,858 INFO L226 Difference]: Without dead ends: 248 [2019-10-22 11:27:05,859 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 107 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 11:27:05,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 248 states. [2019-10-22 11:27:05,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 248 to 248. [2019-10-22 11:27:05,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 248 states. [2019-10-22 11:27:05,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 248 states and 330 transitions. [2019-10-22 11:27:05,883 INFO L78 Accepts]: Start accepts. Automaton has 248 states and 330 transitions. Word has length 55 [2019-10-22 11:27:05,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:27:05,883 INFO L462 AbstractCegarLoop]: Abstraction has 248 states and 330 transitions. [2019-10-22 11:27:05,883 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 11:27:05,883 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 330 transitions. [2019-10-22 11:27:05,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2019-10-22 11:27:05,885 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:27:05,885 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:27:06,085 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-10-22 11:27:06,086 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:27:06,086 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:27:06,087 INFO L82 PathProgramCache]: Analyzing trace with hash -1139010814, now seen corresponding path program 1 times [2019-10-22 11:27:06,087 INFO L157 tionRefinementEngine]: Executing refinement strategy WALRUS [2019-10-22 11:27:06,087 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [156955854] [2019-10-22 11:27:06,087 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a747705b-dbf9-4cff-8646-3a0c5e6c9b62/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 11:27:06,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:27:06,225 INFO L256 TraceCheckSpWp]: Trace formula consists of 237 conjuncts, 9 conjunts are in the unsatisfiable core [2019-10-22 11:27:06,226 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 11:27:06,263 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 11:27:06,264 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 11:27:06,308 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 11:27:06,308 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [156955854] [2019-10-22 11:27:06,308 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [866777258] [2019-10-22 11:27:06,308 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a747705b-dbf9-4cff-8646-3a0c5e6c9b62/bin/utaipan/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-22 11:27:06,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:27:06,439 INFO L256 TraceCheckSpWp]: Trace formula consists of 237 conjuncts, 7 conjunts are in the unsatisfiable core [2019-10-22 11:27:06,441 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 11:27:06,466 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 11:27:06,467 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 11:27:06,480 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 11:27:06,480 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 4 imperfect interpolant sequences. [2019-10-22 11:27:06,480 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5, 5] total 9 [2019-10-22 11:27:06,481 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1342513447] [2019-10-22 11:27:06,481 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-10-22 11:27:06,481 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-10-22 11:27:06,481 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-10-22 11:27:06,482 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2019-10-22 11:27:06,482 INFO L87 Difference]: Start difference. First operand 248 states and 330 transitions. Second operand 10 states. [2019-10-22 11:27:07,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:27:07,455 INFO L93 Difference]: Finished difference Result 1616 states and 2193 transitions. [2019-10-22 11:27:07,455 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2019-10-22 11:27:07,455 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 60 [2019-10-22 11:27:07,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:27:07,463 INFO L225 Difference]: With dead ends: 1616 [2019-10-22 11:27:07,463 INFO L226 Difference]: Without dead ends: 1417 [2019-10-22 11:27:07,464 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 254 GetRequests, 226 SyntacticMatches, 2 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 170 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=198, Invalid=558, Unknown=0, NotChecked=0, Total=756 [2019-10-22 11:27:07,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1417 states. [2019-10-22 11:27:07,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1417 to 413. [2019-10-22 11:27:07,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 413 states. [2019-10-22 11:27:07,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 413 states and 558 transitions. [2019-10-22 11:27:07,515 INFO L78 Accepts]: Start accepts. Automaton has 413 states and 558 transitions. Word has length 60 [2019-10-22 11:27:07,515 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:27:07,515 INFO L462 AbstractCegarLoop]: Abstraction has 413 states and 558 transitions. [2019-10-22 11:27:07,515 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-10-22 11:27:07,515 INFO L276 IsEmpty]: Start isEmpty. Operand 413 states and 558 transitions. [2019-10-22 11:27:07,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2019-10-22 11:27:07,517 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:27:07,518 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:27:07,918 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 cvc4 --incremental --print-success --lang smt --rewrite-divk,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-22 11:27:07,919 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:27:07,919 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:27:07,919 INFO L82 PathProgramCache]: Analyzing trace with hash 444677923, now seen corresponding path program 2 times [2019-10-22 11:27:07,919 INFO L157 tionRefinementEngine]: Executing refinement strategy WALRUS [2019-10-22 11:27:07,920 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [862273194] [2019-10-22 11:27:07,920 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a747705b-dbf9-4cff-8646-3a0c5e6c9b62/bin/utaipan/cvc4 Starting monitored process 12 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-10-22 11:27:09,749 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2019-10-22 11:27:09,749 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-10-22 11:27:09,787 INFO L256 TraceCheckSpWp]: Trace formula consists of 271 conjuncts, 9 conjunts are in the unsatisfiable core [2019-10-22 11:27:09,790 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 11:27:09,828 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-22 11:27:09,860 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 11:27:09,860 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 11:27:09,914 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 11:27:09,915 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [862273194] [2019-10-22 11:27:09,915 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:27:09,915 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 9 [2019-10-22 11:27:09,915 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1327628546] [2019-10-22 11:27:09,916 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-22 11:27:09,916 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-10-22 11:27:09,916 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-22 11:27:09,917 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2019-10-22 11:27:09,917 INFO L87 Difference]: Start difference. First operand 413 states and 558 transitions. Second operand 9 states. [2019-10-22 11:27:11,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:27:11,062 INFO L93 Difference]: Finished difference Result 1849 states and 2505 transitions. [2019-10-22 11:27:11,062 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2019-10-22 11:27:11,062 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 85 [2019-10-22 11:27:11,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:27:11,067 INFO L225 Difference]: With dead ends: 1849 [2019-10-22 11:27:11,067 INFO L226 Difference]: Without dead ends: 1386 [2019-10-22 11:27:11,069 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 187 GetRequests, 167 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=148, Invalid=314, Unknown=0, NotChecked=0, Total=462 [2019-10-22 11:27:11,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1386 states. [2019-10-22 11:27:11,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1386 to 504. [2019-10-22 11:27:11,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 504 states. [2019-10-22 11:27:11,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 504 states to 504 states and 670 transitions. [2019-10-22 11:27:11,139 INFO L78 Accepts]: Start accepts. Automaton has 504 states and 670 transitions. Word has length 85 [2019-10-22 11:27:11,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:27:11,139 INFO L462 AbstractCegarLoop]: Abstraction has 504 states and 670 transitions. [2019-10-22 11:27:11,140 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-22 11:27:11,140 INFO L276 IsEmpty]: Start isEmpty. Operand 504 states and 670 transitions. [2019-10-22 11:27:11,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2019-10-22 11:27:11,141 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:27:11,141 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:27:11,341 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-10-22 11:27:11,342 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:27:11,342 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:27:11,342 INFO L82 PathProgramCache]: Analyzing trace with hash 50311137, now seen corresponding path program 1 times [2019-10-22 11:27:11,342 INFO L157 tionRefinementEngine]: Executing refinement strategy WALRUS [2019-10-22 11:27:11,342 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [131856483] [2019-10-22 11:27:11,343 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a747705b-dbf9-4cff-8646-3a0c5e6c9b62/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 11:27:11,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:27:11,498 INFO L256 TraceCheckSpWp]: Trace formula consists of 271 conjuncts, 6 conjunts are in the unsatisfiable core [2019-10-22 11:27:11,500 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 11:27:11,533 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 11:27:11,533 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 11:27:11,564 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 11:27:11,564 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [131856483] [2019-10-22 11:27:11,564 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:27:11,565 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2019-10-22 11:27:11,565 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1584978100] [2019-10-22 11:27:11,566 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-22 11:27:11,567 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-10-22 11:27:11,567 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-22 11:27:11,567 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-10-22 11:27:11,567 INFO L87 Difference]: Start difference. First operand 504 states and 670 transitions. Second operand 8 states. [2019-10-22 11:27:11,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:27:11,650 INFO L93 Difference]: Finished difference Result 815 states and 1073 transitions. [2019-10-22 11:27:11,650 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-22 11:27:11,650 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 85 [2019-10-22 11:27:11,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:27:11,651 INFO L225 Difference]: With dead ends: 815 [2019-10-22 11:27:11,651 INFO L226 Difference]: Without dead ends: 0 [2019-10-22 11:27:11,652 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 172 GetRequests, 164 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2019-10-22 11:27:11,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-22 11:27:11,652 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-22 11:27:11,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-22 11:27:11,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-22 11:27:11,653 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 85 [2019-10-22 11:27:11,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:27:11,653 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 11:27:11,653 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-22 11:27:11,653 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-22 11:27:11,653 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-22 11:27:11,854 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-10-22 11:27:11,857 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-22 11:27:12,156 WARN L191 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 87 [2019-10-22 11:27:12,545 WARN L191 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 134 [2019-10-22 11:27:12,818 WARN L191 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 144 [2019-10-22 11:27:12,947 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 119 [2019-10-22 11:27:13,354 WARN L191 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 146 [2019-10-22 11:27:13,539 WARN L191 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 139 [2019-10-22 11:27:13,685 WARN L191 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 134 [2019-10-22 11:27:14,073 WARN L191 SmtUtils]: Spent 355.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 25 [2019-10-22 11:27:14,239 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 30 [2019-10-22 11:27:14,763 WARN L191 SmtUtils]: Spent 508.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 39 [2019-10-22 11:27:15,479 WARN L191 SmtUtils]: Spent 704.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 36 [2019-10-22 11:27:16,110 WARN L191 SmtUtils]: Spent 565.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 34 [2019-10-22 11:27:16,559 WARN L191 SmtUtils]: Spent 372.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 34 [2019-10-22 11:27:16,825 WARN L191 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 26 [2019-10-22 11:27:17,068 WARN L191 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 32 [2019-10-22 11:27:17,890 WARN L191 SmtUtils]: Spent 601.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 36 [2019-10-22 11:27:18,388 WARN L191 SmtUtils]: Spent 415.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 34 [2019-10-22 11:27:18,837 WARN L191 SmtUtils]: Spent 448.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 36 [2019-10-22 11:27:18,936 INFO L443 ceAbstractionStarter]: For program point L960(lines 959 1006) no Hoare annotation was computed. [2019-10-22 11:27:18,936 INFO L443 ceAbstractionStarter]: For program point L961(lines 961 965) no Hoare annotation was computed. [2019-10-22 11:27:18,937 INFO L443 ceAbstractionStarter]: For program point L763(lines 763 771) no Hoare annotation was computed. [2019-10-22 11:27:18,937 INFO L443 ceAbstractionStarter]: For program point L763-1(lines 763 771) no Hoare annotation was computed. [2019-10-22 11:27:18,937 INFO L443 ceAbstractionStarter]: For program point L763-2(lines 763 771) no Hoare annotation was computed. [2019-10-22 11:27:18,937 INFO L443 ceAbstractionStarter]: For program point L763-3(lines 763 771) no Hoare annotation was computed. [2019-10-22 11:27:18,937 INFO L443 ceAbstractionStarter]: For program point L763-4(lines 763 771) no Hoare annotation was computed. [2019-10-22 11:27:18,937 INFO L443 ceAbstractionStarter]: For program point L763-5(lines 763 771) no Hoare annotation was computed. [2019-10-22 11:27:18,937 INFO L439 ceAbstractionStarter]: At program point L701(lines 700 719) the Hoare annotation is: (let ((.cse0 (= (_ bv0 32) ~pumpRunning~0)) (.cse2 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse1 (bvslt ULTIMATE.start_test_~splverifierCounter~0 (_ bv4 32)))) (or (and .cse0 .cse1 .cse2 (= (_ bv1 32) |ULTIMATE.start_getWaterLevel_#res|) (= (bvadd ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~4 (_ bv4294967295 32)) (_ bv0 32))) (and (= (bvadd ~waterLevel~0 (_ bv4294967294 32)) (_ bv0 32)) .cse1 .cse0) (and (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) .cse1 (not (= ~systemActive~0 (_ bv0 32))) .cse2 (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~4 (_ bv0 32)))) (and (and .cse0 (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|) .cse2) .cse1))) [2019-10-22 11:27:18,937 INFO L443 ceAbstractionStarter]: For program point L701-1(lines 701 707) no Hoare annotation was computed. [2019-10-22 11:27:18,937 INFO L439 ceAbstractionStarter]: At program point L701-2(lines 700 719) 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 (not (= ~systemActive~0 (_ bv0 32))) .cse1 .cse2) (and .cse0 .cse1 .cse2 (= (_ bv1 32) |ULTIMATE.start_getWaterLevel_#res|) (= (bvadd ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~4 (_ bv4294967295 32)) (_ bv0 32))))) [2019-10-22 11:27:18,937 INFO L439 ceAbstractionStarter]: At program point L701-3(lines 700 719) 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|) (= (bvadd ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~4 (_ bv4294967295 32)) (_ bv0 32))) [2019-10-22 11:27:18,937 INFO L446 ceAbstractionStarter]: At program point L505(lines 486 508) the Hoare annotation is: true [2019-10-22 11:27:18,938 INFO L443 ceAbstractionStarter]: For program point L969(lines 969 975) no Hoare annotation was computed. [2019-10-22 11:27:18,938 INFO L439 ceAbstractionStarter]: At program point L969-1(lines 969 975) the Hoare annotation is: (let ((.cse4 (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|))) (.cse5 (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~4 (_ bv0 32)))) (.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)) (.cse6 (not (= ~systemActive~0 (_ bv0 32))))) (or (and .cse0 .cse1 .cse2 (= (_ bv1 32) |ULTIMATE.start_getWaterLevel_#res|) (= (bvadd ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~4 (_ bv4294967295 32)) (_ bv0 32))) (and .cse3 .cse4 .cse0 .cse1 .cse5) (and .cse3 .cse4 .cse1 .cse6 .cse5) (and (and .cse0 .cse6 (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|) .cse2) .cse1) (and .cse3 .cse1 (and .cse0 .cse6)))) [2019-10-22 11:27:18,938 INFO L443 ceAbstractionStarter]: For program point L904(lines 904 908) no Hoare annotation was computed. [2019-10-22 11:27:18,938 INFO L443 ceAbstractionStarter]: For program point L904-2(lines 904 908) no Hoare annotation was computed. [2019-10-22 11:27:18,938 INFO L443 ceAbstractionStarter]: For program point L904-3(lines 904 908) no Hoare annotation was computed. [2019-10-22 11:27:18,938 INFO L443 ceAbstractionStarter]: For program point L904-5(lines 904 908) no Hoare annotation was computed. [2019-10-22 11:27:18,938 INFO L443 ceAbstractionStarter]: For program point L904-6(lines 904 908) no Hoare annotation was computed. [2019-10-22 11:27:18,938 INFO L443 ceAbstractionStarter]: For program point L904-8(lines 904 908) no Hoare annotation was computed. [2019-10-22 11:27:18,938 INFO L443 ceAbstractionStarter]: For program point L904-9(lines 904 908) no Hoare annotation was computed. [2019-10-22 11:27:18,938 INFO L443 ceAbstractionStarter]: For program point L904-11(lines 904 908) no Hoare annotation was computed. [2019-10-22 11:27:18,938 INFO L443 ceAbstractionStarter]: For program point L904-12(lines 904 908) no Hoare annotation was computed. [2019-10-22 11:27:18,938 INFO L443 ceAbstractionStarter]: For program point L904-14(lines 904 908) no Hoare annotation was computed. [2019-10-22 11:27:18,938 INFO L443 ceAbstractionStarter]: For program point L904-15(lines 904 908) no Hoare annotation was computed. [2019-10-22 11:27:18,938 INFO L443 ceAbstractionStarter]: For program point L904-17(lines 904 908) no Hoare annotation was computed. [2019-10-22 11:27:18,938 INFO L443 ceAbstractionStarter]: For program point L904-18(lines 904 908) no Hoare annotation was computed. [2019-10-22 11:27:18,939 INFO L443 ceAbstractionStarter]: For program point L904-20(lines 904 908) no Hoare annotation was computed. [2019-10-22 11:27:18,939 INFO L443 ceAbstractionStarter]: For program point L904-21(lines 904 908) no Hoare annotation was computed. [2019-10-22 11:27:18,939 INFO L443 ceAbstractionStarter]: For program point L904-23(lines 904 908) no Hoare annotation was computed. [2019-10-22 11:27:18,939 INFO L443 ceAbstractionStarter]: For program point L904-24(lines 904 908) no Hoare annotation was computed. [2019-10-22 11:27:18,939 INFO L443 ceAbstractionStarter]: For program point L904-26(lines 904 908) no Hoare annotation was computed. [2019-10-22 11:27:18,939 INFO L443 ceAbstractionStarter]: For program point L904-27(lines 904 908) no Hoare annotation was computed. [2019-10-22 11:27:18,939 INFO L443 ceAbstractionStarter]: For program point L904-29(lines 904 908) no Hoare annotation was computed. [2019-10-22 11:27:18,939 INFO L443 ceAbstractionStarter]: For program point L904-30(lines 904 908) no Hoare annotation was computed. [2019-10-22 11:27:18,939 INFO L443 ceAbstractionStarter]: For program point L904-32(lines 904 908) no Hoare annotation was computed. [2019-10-22 11:27:18,939 INFO L443 ceAbstractionStarter]: For program point L904-33(lines 904 908) no Hoare annotation was computed. [2019-10-22 11:27:18,939 INFO L443 ceAbstractionStarter]: For program point L904-35(lines 904 908) no Hoare annotation was computed. [2019-10-22 11:27:18,939 INFO L439 ceAbstractionStarter]: At program point L708(lines 708 714) the Hoare annotation is: (let ((.cse3 (= (bvadd ~waterLevel~0 (_ bv4294967294 32)) (_ bv0 32))) (.cse0 (= (_ bv0 32) ~pumpRunning~0)) (.cse4 (not (= ~systemActive~0 (_ bv0 32)))) (.cse1 (bvslt ULTIMATE.start_test_~splverifierCounter~0 (_ bv4 32))) (.cse2 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 (= (_ bv1 32) |ULTIMATE.start_getWaterLevel_#res|) (= (bvadd ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~4 (_ bv4294967295 32)) (_ bv0 32))) (and .cse3 .cse1 .cse0) (and (and .cse0 (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|) .cse2) .cse1) (and .cse3 .cse1 .cse4) (and (and .cse0 .cse4) (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) .cse1 .cse2 (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~4 (_ bv0 32)))))) [2019-10-22 11:27:18,940 INFO L439 ceAbstractionStarter]: At program point L708-1(lines 708 714) 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 (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) (= (bvadd ULTIMATE.start_isHighWaterLevel_~tmp~9 (_ bv4294967295 32)) (_ bv0 32)) (and .cse0 (not (= ~systemActive~0 (_ bv0 32))) .cse1 .cse2)) (and .cse0 .cse1 .cse2 (= (_ bv1 32) |ULTIMATE.start_getWaterLevel_#res|) (= (bvadd ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~4 (_ bv4294967295 32)) (_ bv0 32))))) [2019-10-22 11:27:18,940 INFO L439 ceAbstractionStarter]: At program point L708-2(lines 708 714) 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|) (= (bvadd ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~4 (_ bv4294967295 32)) (_ bv0 32))) [2019-10-22 11:27:18,940 INFO L439 ceAbstractionStarter]: At program point L910(lines 895 913) the Hoare annotation is: false [2019-10-22 11:27:18,940 INFO L439 ceAbstractionStarter]: At program point L910-1(lines 895 913) the Hoare annotation is: (and (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) (= (bvadd ULTIMATE.start_isHighWaterLevel_~tmp~9 (_ bv4294967295 32)) (_ bv0 32)) (not (= ~systemActive~0 (_ bv0 32))) (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (= (_ bv0 32) ~pumpRunning~0) (bvslt ULTIMATE.start_test_~splverifierCounter~0 (_ bv4 32)) (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv0 32)) (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 (_ bv0 32)) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~4 (_ bv0 32)))) [2019-10-22 11:27:18,941 INFO L439 ceAbstractionStarter]: At program point L910-2(lines 895 913) the Hoare annotation is: false [2019-10-22 11:27:18,941 INFO L439 ceAbstractionStarter]: At program point L910-3(lines 895 913) the Hoare annotation is: (let ((.cse0 (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|)) (.cse1 (= (bvadd ULTIMATE.start_isHighWaterLevel_~tmp~9 (_ bv4294967295 32)) (_ bv0 32))) (.cse2 (= (_ bv0 32) ~pumpRunning~0)) (.cse4 (not (= ~systemActive~0 (_ bv0 32)))) (.cse3 (bvslt ULTIMATE.start_test_~splverifierCounter~0 (_ bv4 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)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|) .cse7) (and (= (bvadd ~waterLevel~0 (_ bv4294967294 32)) (_ bv0 32)) .cse3 (and .cse2 .cse4)) (and .cse0 .cse1 .cse2 (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) .cse4 .cse3 .cse5 .cse6 .cse7 (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~4 (_ bv0 32)))))) [2019-10-22 11:27:18,941 INFO L439 ceAbstractionStarter]: At program point L910-4(lines 895 913) the Hoare annotation is: false [2019-10-22 11:27:18,941 INFO L439 ceAbstractionStarter]: At program point L910-5(lines 895 913) the Hoare annotation is: false [2019-10-22 11:27:18,941 INFO L439 ceAbstractionStarter]: At program point L910-6(lines 895 913) the Hoare annotation is: false [2019-10-22 11:27:18,941 INFO L439 ceAbstractionStarter]: At program point L910-7(lines 895 913) the Hoare annotation is: (and (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) (= (bvadd ULTIMATE.start_isHighWaterLevel_~tmp~9 (_ bv4294967295 32)) (_ bv0 32)) (not (= ~systemActive~0 (_ 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 11:27:18,941 INFO L439 ceAbstractionStarter]: At program point L910-8(lines 895 913) the Hoare annotation is: false [2019-10-22 11:27:18,941 INFO L439 ceAbstractionStarter]: At program point L910-9(lines 895 913) the Hoare annotation is: false [2019-10-22 11:27:18,941 INFO L439 ceAbstractionStarter]: At program point L910-10(lines 895 913) the Hoare annotation is: false [2019-10-22 11:27:18,941 INFO L439 ceAbstractionStarter]: At program point L910-11(lines 895 913) the Hoare annotation is: (and (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) (= (bvadd ULTIMATE.start_isHighWaterLevel_~tmp~9 (_ bv4294967295 32)) (_ bv0 32)) (not (= ~systemActive~0 (_ 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)) (= (_ bv1 32) |ULTIMATE.start_getWaterLevel_#res|) (= (bvadd ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~4 (_ bv4294967295 32)) (_ bv0 32))) [2019-10-22 11:27:18,941 INFO L439 ceAbstractionStarter]: At program point L846(lines 839 849) the Hoare annotation is: (and (not (= ~systemActive~0 (_ bv0 32))) (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (bvslt ULTIMATE.start_test_~splverifierCounter~0 (_ bv4 32)) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~4 (_ bv0 32)))) [2019-10-22 11:27:18,941 INFO L439 ceAbstractionStarter]: At program point L846-1(lines 839 849) the Hoare annotation is: false [2019-10-22 11:27:18,941 INFO L439 ceAbstractionStarter]: At program point L846-2(lines 839 849) the Hoare annotation is: false [2019-10-22 11:27:18,941 INFO L439 ceAbstractionStarter]: At program point L846-3(lines 839 849) the Hoare annotation is: false [2019-10-22 11:27:18,942 INFO L439 ceAbstractionStarter]: At program point L846-4(lines 839 849) the Hoare annotation is: (and (not (= ~systemActive~0 (_ bv0 32))) (= (bvadd ~waterLevel~0 (_ bv4294967294 32)) (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (bvslt ULTIMATE.start_test_~splverifierCounter~0 (_ bv4 32))) [2019-10-22 11:27:18,942 INFO L439 ceAbstractionStarter]: At program point L846-5(lines 839 849) the Hoare annotation is: false [2019-10-22 11:27:18,942 INFO L439 ceAbstractionStarter]: At program point L846-6(lines 839 849) the Hoare annotation is: false [2019-10-22 11:27:18,942 INFO L439 ceAbstractionStarter]: At program point L846-7(lines 839 849) the Hoare annotation is: false [2019-10-22 11:27:18,942 INFO L439 ceAbstractionStarter]: At program point L846-8(lines 839 849) the Hoare annotation is: false [2019-10-22 11:27:18,942 INFO L439 ceAbstractionStarter]: At program point L846-9(lines 839 849) the Hoare annotation is: false [2019-10-22 11:27:18,942 INFO L439 ceAbstractionStarter]: At program point L846-10(lines 839 849) the Hoare annotation is: false [2019-10-22 11:27:18,942 INFO L439 ceAbstractionStarter]: At program point L846-11(lines 839 849) the Hoare annotation is: false [2019-10-22 11:27:18,942 INFO L439 ceAbstractionStarter]: At program point L846-12(lines 839 849) the Hoare annotation is: false [2019-10-22 11:27:18,942 INFO L439 ceAbstractionStarter]: At program point L846-13(lines 839 849) the Hoare annotation is: false [2019-10-22 11:27:18,942 INFO L439 ceAbstractionStarter]: At program point L846-14(lines 839 849) the Hoare annotation is: false [2019-10-22 11:27:18,942 INFO L443 ceAbstractionStarter]: For program point L979(lines 979 985) no Hoare annotation was computed. [2019-10-22 11:27:18,942 INFO L439 ceAbstractionStarter]: At program point L979-1(lines 979 985) the Hoare annotation is: (let ((.cse4 (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|))) (.cse5 (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~4 (_ bv0 32)))) (.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)) (.cse6 (not (= ~systemActive~0 (_ bv0 32))))) (or (and .cse0 .cse1 .cse2 (= (_ bv1 32) |ULTIMATE.start_getWaterLevel_#res|) (= (bvadd ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~4 (_ bv4294967295 32)) (_ bv0 32))) (and .cse3 .cse4 .cse0 .cse1 .cse5) (and .cse3 .cse4 .cse1 .cse6 .cse5) (and (and .cse0 .cse6 (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|) .cse2) .cse1) (and .cse3 .cse1 (and .cse0 .cse6)))) [2019-10-22 11:27:18,942 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 686) no Hoare annotation was computed. [2019-10-22 11:27:18,942 INFO L443 ceAbstractionStarter]: For program point L585(lines 585 589) no Hoare annotation was computed. [2019-10-22 11:27:18,943 INFO L443 ceAbstractionStarter]: For program point L585-3(lines 585 589) no Hoare annotation was computed. [2019-10-22 11:27:18,943 INFO L443 ceAbstractionStarter]: For program point L585-6(lines 585 589) no Hoare annotation was computed. [2019-10-22 11:27:18,943 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 686) no Hoare annotation was computed. [2019-10-22 11:27:18,943 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-22 11:27:18,943 INFO L443 ceAbstractionStarter]: For program point L785(lines 785 802) no Hoare annotation was computed. [2019-10-22 11:27:18,943 INFO L443 ceAbstractionStarter]: For program point L785-1(lines 785 802) no Hoare annotation was computed. [2019-10-22 11:27:18,943 INFO L443 ceAbstractionStarter]: For program point L785-2(lines 785 802) no Hoare annotation was computed. [2019-10-22 11:27:18,943 INFO L439 ceAbstractionStarter]: At program point L654(lines 649 657) 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 .cse0 .cse3 .cse1) (and .cse2 .cse3 .cse1 (not (= ~systemActive~0 (_ bv0 32)))))) [2019-10-22 11:27:18,943 INFO L439 ceAbstractionStarter]: At program point L654-1(lines 649 657) 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 11:27:18,943 INFO L439 ceAbstractionStarter]: At program point L654-2(lines 649 657) 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 11:27:18,943 INFO L439 ceAbstractionStarter]: At program point L855(lines 850 858) the Hoare annotation is: false [2019-10-22 11:27:18,943 INFO L439 ceAbstractionStarter]: At program point L855-1(lines 850 858) the Hoare annotation is: false [2019-10-22 11:27:18,943 INFO L443 ceAbstractionStarter]: For program point L789(lines 789 797) no Hoare annotation was computed. [2019-10-22 11:27:18,943 INFO L439 ceAbstractionStarter]: At program point L855-2(lines 850 858) the Hoare annotation is: false [2019-10-22 11:27:18,944 INFO L443 ceAbstractionStarter]: For program point L789-1(lines 789 797) no Hoare annotation was computed. [2019-10-22 11:27:18,944 INFO L443 ceAbstractionStarter]: For program point L789-2(lines 789 797) no Hoare annotation was computed. [2019-10-22 11:27:18,944 INFO L443 ceAbstractionStarter]: For program point L989(lines 989 1002) no Hoare annotation was computed. [2019-10-22 11:27:18,944 INFO L443 ceAbstractionStarter]: For program point L923(lines 923 927) no Hoare annotation was computed. [2019-10-22 11:27:18,944 INFO L443 ceAbstractionStarter]: For program point L923-2(lines 923 927) no Hoare annotation was computed. [2019-10-22 11:27:18,944 INFO L443 ceAbstractionStarter]: For program point L923-3(lines 923 927) no Hoare annotation was computed. [2019-10-22 11:27:18,944 INFO L443 ceAbstractionStarter]: For program point L923-5(lines 923 927) no Hoare annotation was computed. [2019-10-22 11:27:18,944 INFO L443 ceAbstractionStarter]: For program point L923-6(lines 923 927) no Hoare annotation was computed. [2019-10-22 11:27:18,944 INFO L443 ceAbstractionStarter]: For program point L923-8(lines 923 927) no Hoare annotation was computed. [2019-10-22 11:27:18,944 INFO L443 ceAbstractionStarter]: For program point L923-9(lines 923 927) no Hoare annotation was computed. [2019-10-22 11:27:18,944 INFO L443 ceAbstractionStarter]: For program point L923-11(lines 923 927) no Hoare annotation was computed. [2019-10-22 11:27:18,944 INFO L443 ceAbstractionStarter]: For program point L923-12(lines 923 927) no Hoare annotation was computed. [2019-10-22 11:27:18,944 INFO L443 ceAbstractionStarter]: For program point L923-14(lines 923 927) no Hoare annotation was computed. [2019-10-22 11:27:18,944 INFO L443 ceAbstractionStarter]: For program point L923-15(lines 923 927) no Hoare annotation was computed. [2019-10-22 11:27:18,945 INFO L443 ceAbstractionStarter]: For program point L923-17(lines 923 927) no Hoare annotation was computed. [2019-10-22 11:27:18,945 INFO L443 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-10-22 11:27:18,945 INFO L443 ceAbstractionStarter]: For program point L662(lines 662 668) no Hoare annotation was computed. [2019-10-22 11:27:18,945 INFO L443 ceAbstractionStarter]: For program point L662-1(lines 662 668) no Hoare annotation was computed. [2019-10-22 11:27:18,945 INFO L443 ceAbstractionStarter]: For program point L662-2(lines 662 668) no Hoare annotation was computed. [2019-10-22 11:27:18,945 INFO L443 ceAbstractionStarter]: For program point L662-3(lines 662 668) no Hoare annotation was computed. [2019-10-22 11:27:18,945 INFO L443 ceAbstractionStarter]: For program point L662-4(lines 662 668) no Hoare annotation was computed. [2019-10-22 11:27:18,945 INFO L443 ceAbstractionStarter]: For program point L662-5(lines 662 668) no Hoare annotation was computed. [2019-10-22 11:27:18,945 INFO L443 ceAbstractionStarter]: For program point L662-6(lines 662 668) no Hoare annotation was computed. [2019-10-22 11:27:18,945 INFO L443 ceAbstractionStarter]: For program point L662-7(lines 662 668) no Hoare annotation was computed. [2019-10-22 11:27:18,945 INFO L443 ceAbstractionStarter]: For program point L662-8(lines 662 668) no Hoare annotation was computed. [2019-10-22 11:27:18,945 INFO L443 ceAbstractionStarter]: For program point L662-9(lines 662 668) no Hoare annotation was computed. [2019-10-22 11:27:18,945 INFO L443 ceAbstractionStarter]: For program point L662-10(lines 662 668) no Hoare annotation was computed. [2019-10-22 11:27:18,945 INFO L443 ceAbstractionStarter]: For program point L662-11(lines 662 668) no Hoare annotation was computed. [2019-10-22 11:27:18,946 INFO L443 ceAbstractionStarter]: For program point L597(lines 597 601) no Hoare annotation was computed. [2019-10-22 11:27:18,946 INFO L439 ceAbstractionStarter]: At program point L532(lines 1 1014) 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 11:27:18,946 INFO L443 ceAbstractionStarter]: For program point L995(lines 995 1001) no Hoare annotation was computed. [2019-10-22 11:27:18,946 INFO L439 ceAbstractionStarter]: At program point L995-1(lines 701 707) the Hoare annotation is: (let ((.cse3 (= (bvadd ~waterLevel~0 (_ bv4294967294 32)) (_ bv0 32))) (.cse0 (= (_ bv0 32) ~pumpRunning~0)) (.cse2 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse1 (bvslt ULTIMATE.start_test_~splverifierCounter~0 (_ bv4 32)))) (or (and .cse0 .cse1 .cse2 (= (_ bv1 32) |ULTIMATE.start_getWaterLevel_#res|) (= (bvadd ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~4 (_ bv4294967295 32)) (_ bv0 32))) (and .cse3 (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) .cse1 (not (= ~systemActive~0 (_ bv0 32))) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~4 (_ bv0 32)))) (and .cse3 .cse1 .cse0) (and (and .cse0 (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|) .cse2) .cse1))) [2019-10-22 11:27:18,946 INFO L439 ceAbstractionStarter]: At program point L929(lines 914 932) the Hoare annotation is: (and (= (bvadd ULTIMATE.start_isLowWaterLevel_~tmp___0~2 (_ bv4294967295 32)) (_ bv0 32)) (not (= ~systemActive~0 (_ bv0 32))) (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (bvslt ULTIMATE.start_test_~splverifierCounter~0 (_ bv4 32)) (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32)) (= ULTIMATE.start_isLowWaterLevel_~tmp~10 (_ bv0 32)) (= (bvadd |ULTIMATE.start_isLowWaterLevel_#res| (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~4 (_ bv0 32)))) [2019-10-22 11:27:18,946 INFO L439 ceAbstractionStarter]: At program point L929-1(lines 914 932) the Hoare annotation is: false [2019-10-22 11:27:18,946 INFO L439 ceAbstractionStarter]: At program point L929-2(lines 914 932) the Hoare annotation is: false [2019-10-22 11:27:18,946 INFO L439 ceAbstractionStarter]: At program point L929-3(lines 914 932) the Hoare annotation is: false [2019-10-22 11:27:18,946 INFO L439 ceAbstractionStarter]: At program point L929-4(lines 914 932) the Hoare annotation is: false [2019-10-22 11:27:18,946 INFO L439 ceAbstractionStarter]: At program point L929-5(lines 914 932) the Hoare annotation is: false [2019-10-22 11:27:18,947 INFO L443 ceAbstractionStarter]: For program point L733(lines 733 750) no Hoare annotation was computed. [2019-10-22 11:27:18,947 INFO L443 ceAbstractionStarter]: For program point L733-1(lines 733 750) no Hoare annotation was computed. [2019-10-22 11:27:18,947 INFO L439 ceAbstractionStarter]: At program point L667(lines 658 671) the Hoare annotation is: false [2019-10-22 11:27:18,947 INFO L443 ceAbstractionStarter]: For program point L733-2(lines 733 750) no Hoare annotation was computed. [2019-10-22 11:27:18,947 INFO L439 ceAbstractionStarter]: At program point L667-1(lines 658 671) the Hoare annotation is: (and (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) (not (= ~systemActive~0 (_ bv0 32))) (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (= (_ bv0 32) ~pumpRunning~0) (bvslt ULTIMATE.start_test_~splverifierCounter~0 (_ bv4 32)) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~4 (_ bv0 32)))) [2019-10-22 11:27:18,947 INFO L443 ceAbstractionStarter]: For program point L733-3(lines 733 750) no Hoare annotation was computed. [2019-10-22 11:27:18,947 INFO L439 ceAbstractionStarter]: At program point L667-2(lines 658 671) the Hoare annotation is: false [2019-10-22 11:27:18,947 INFO L443 ceAbstractionStarter]: For program point L733-4(lines 733 750) no Hoare annotation was computed. [2019-10-22 11:27:18,947 INFO L439 ceAbstractionStarter]: At program point L667-3(lines 658 671) the Hoare annotation is: (let ((.cse0 (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|)) (.cse4 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse2 (bvslt ULTIMATE.start_test_~splverifierCounter~0 (_ bv4 32))) (.cse1 (= (_ bv0 32) ~pumpRunning~0)) (.cse3 (not (= ~systemActive~0 (_ bv0 32))))) (or (and .cse0 .cse1 .cse2 .cse3 (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|) .cse4) (and .cse0 .cse1 (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) .cse3 .cse2 .cse4 (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~4 (_ bv0 32)))) (and (= (bvadd ~waterLevel~0 (_ bv4294967294 32)) (_ bv0 32)) .cse2 (and .cse1 .cse3)))) [2019-10-22 11:27:18,947 INFO L443 ceAbstractionStarter]: For program point L733-5(lines 733 750) no Hoare annotation was computed. [2019-10-22 11:27:18,947 INFO L439 ceAbstractionStarter]: At program point L667-4(lines 658 671) the Hoare annotation is: false [2019-10-22 11:27:18,948 INFO L443 ceAbstractionStarter]: For program point L733-6(lines 733 750) no Hoare annotation was computed. [2019-10-22 11:27:18,948 INFO L439 ceAbstractionStarter]: At program point L667-5(lines 658 671) the Hoare annotation is: false [2019-10-22 11:27:18,948 INFO L443 ceAbstractionStarter]: For program point L733-7(lines 733 750) no Hoare annotation was computed. [2019-10-22 11:27:18,948 INFO L439 ceAbstractionStarter]: At program point L469(lines 465 471) 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 11:27:18,949 INFO L439 ceAbstractionStarter]: At program point L667-6(lines 658 671) the Hoare annotation is: false [2019-10-22 11:27:18,949 INFO L443 ceAbstractionStarter]: For program point L733-8(lines 733 750) no Hoare annotation was computed. [2019-10-22 11:27:18,949 INFO L439 ceAbstractionStarter]: At program point L667-7(lines 658 671) 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 11:27:18,949 INFO L443 ceAbstractionStarter]: For program point L733-9(lines 733 750) no Hoare annotation was computed. [2019-10-22 11:27:18,949 INFO L439 ceAbstractionStarter]: At program point L667-8(lines 658 671) the Hoare annotation is: false [2019-10-22 11:27:18,949 INFO L443 ceAbstractionStarter]: For program point L733-10(lines 733 750) no Hoare annotation was computed. [2019-10-22 11:27:18,949 INFO L439 ceAbstractionStarter]: At program point L667-9(lines 658 671) the Hoare annotation is: false [2019-10-22 11:27:18,949 INFO L443 ceAbstractionStarter]: For program point L733-11(lines 733 750) no Hoare annotation was computed. [2019-10-22 11:27:18,949 INFO L439 ceAbstractionStarter]: At program point L667-10(lines 658 671) the Hoare annotation is: false [2019-10-22 11:27:18,950 INFO L439 ceAbstractionStarter]: At program point L667-11(lines 658 671) 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)) (= (_ bv1 32) |ULTIMATE.start_getWaterLevel_#res|) (= (bvadd ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~4 (_ bv4294967295 32)) (_ bv0 32))) [2019-10-22 11:27:18,950 INFO L443 ceAbstractionStarter]: For program point L737(lines 737 745) no Hoare annotation was computed. [2019-10-22 11:27:18,950 INFO L443 ceAbstractionStarter]: For program point L737-1(lines 737 745) no Hoare annotation was computed. [2019-10-22 11:27:18,950 INFO L443 ceAbstractionStarter]: For program point L737-2(lines 737 745) no Hoare annotation was computed. [2019-10-22 11:27:18,950 INFO L443 ceAbstractionStarter]: For program point L737-3(lines 737 745) no Hoare annotation was computed. [2019-10-22 11:27:18,950 INFO L443 ceAbstractionStarter]: For program point L737-4(lines 737 745) no Hoare annotation was computed. [2019-10-22 11:27:18,950 INFO L443 ceAbstractionStarter]: For program point L737-5(lines 737 745) no Hoare annotation was computed. [2019-10-22 11:27:18,950 INFO L443 ceAbstractionStarter]: For program point L737-6(lines 737 745) no Hoare annotation was computed. [2019-10-22 11:27:18,950 INFO L443 ceAbstractionStarter]: For program point L737-7(lines 737 745) no Hoare annotation was computed. [2019-10-22 11:27:18,950 INFO L443 ceAbstractionStarter]: For program point L737-8(lines 737 745) no Hoare annotation was computed. [2019-10-22 11:27:18,950 INFO L443 ceAbstractionStarter]: For program point L737-9(lines 737 745) no Hoare annotation was computed. [2019-10-22 11:27:18,950 INFO L443 ceAbstractionStarter]: For program point L737-10(lines 737 745) no Hoare annotation was computed. [2019-10-22 11:27:18,950 INFO L443 ceAbstractionStarter]: For program point L737-11(lines 737 745) no Hoare annotation was computed. [2019-10-22 11:27:18,951 INFO L439 ceAbstractionStarter]: At program point L540(lines 535 543) 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 11:27:18,951 INFO L443 ceAbstractionStarter]: For program point L937(lines 937 943) no Hoare annotation was computed. [2019-10-22 11:27:18,951 INFO L439 ceAbstractionStarter]: At program point L937-1(lines 937 943) the Hoare annotation is: (let ((.cse0 (= (_ bv0 32) ~pumpRunning~0)) (.cse2 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse1 (bvslt ULTIMATE.start_test_~splverifierCounter~0 (_ bv4 32)))) (or (and .cse0 .cse1 .cse2 (= (_ bv1 32) |ULTIMATE.start_getWaterLevel_#res|) (= (bvadd ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~4 (_ bv4294967295 32)) (_ bv0 32))) (and (= (bvadd ~waterLevel~0 (_ bv4294967294 32)) (_ bv0 32)) .cse1 .cse0) (and (and .cse0 (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|) .cse2) .cse1))) [2019-10-22 11:27:18,951 INFO L443 ceAbstractionStarter]: For program point L609(lines 609 613) no Hoare annotation was computed. [2019-10-22 11:27:18,951 INFO L439 ceAbstractionStarter]: At program point L1007(lines 958 1008) 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 (not (= ~systemActive~0 (_ bv0 32))) .cse1 .cse2) (and .cse0 .cse1 .cse2 (= (_ bv1 32) |ULTIMATE.start_getWaterLevel_#res|) (= (bvadd ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~4 (_ bv4294967295 32)) (_ bv0 32))))) [2019-10-22 11:27:18,951 INFO L439 ceAbstractionStarter]: At program point L677(lines 672 680) the Hoare annotation is: (and (not (= ~systemActive~0 (_ bv0 32))) (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (bvslt ULTIMATE.start_test_~splverifierCounter~0 (_ bv4 32)) (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32)) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~4 (_ bv0 32)))) [2019-10-22 11:27:18,951 INFO L439 ceAbstractionStarter]: At program point L677-1(lines 672 680) the Hoare annotation is: false [2019-10-22 11:27:18,951 INFO L439 ceAbstractionStarter]: At program point L677-2(lines 672 680) the Hoare annotation is: false [2019-10-22 11:27:18,951 INFO L439 ceAbstractionStarter]: At program point L677-3(lines 672 680) the Hoare annotation is: false [2019-10-22 11:27:18,951 INFO L439 ceAbstractionStarter]: At program point L677-4(lines 672 680) the Hoare annotation is: false [2019-10-22 11:27:18,952 INFO L439 ceAbstractionStarter]: At program point L677-5(lines 672 680) the Hoare annotation is: false [2019-10-22 11:27:18,952 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 686) no Hoare annotation was computed. [2019-10-22 11:27:18,952 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-10-22 11:27:18,952 INFO L439 ceAbstractionStarter]: At program point L418-2(lines 418 432) 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|) (= (bvadd ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~4 (_ bv4294967295 32)) (_ bv0 32))) [2019-10-22 11:27:18,953 INFO L443 ceAbstractionStarter]: For program point L419(line 419) no Hoare annotation was computed. [2019-10-22 11:27:18,953 INFO L443 ceAbstractionStarter]: For program point L686(line 686) no Hoare annotation was computed. [2019-10-22 11:27:18,953 INFO L443 ceAbstractionStarter]: For program point L686-1(line 686) no Hoare annotation was computed. [2019-10-22 11:27:18,953 INFO L443 ceAbstractionStarter]: For program point L686-2(line 686) no Hoare annotation was computed. [2019-10-22 11:27:18,953 INFO L443 ceAbstractionStarter]: For program point L422(lines 422 426) no Hoare annotation was computed. [2019-10-22 11:27:18,953 INFO L443 ceAbstractionStarter]: For program point L422-1(lines 701 707) no Hoare annotation was computed. [2019-10-22 11:27:18,953 INFO L439 ceAbstractionStarter]: At program point L622(lines 617 625) the Hoare annotation is: (and (not (= ~systemActive~0 (_ bv0 32))) (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (bvslt ULTIMATE.start_test_~splverifierCounter~0 (_ bv4 32)) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~4 (_ bv0 32)))) [2019-10-22 11:27:18,953 INFO L439 ceAbstractionStarter]: At program point L622-1(lines 617 625) the Hoare annotation is: false [2019-10-22 11:27:18,953 INFO L439 ceAbstractionStarter]: At program point L622-2(lines 617 625) the Hoare annotation is: false [2019-10-22 11:27:18,953 INFO L443 ceAbstractionStarter]: For program point L556(lines 556 569) no Hoare annotation was computed. [2019-10-22 11:27:18,954 INFO L439 ceAbstractionStarter]: At program point L622-3(lines 617 625) the Hoare annotation is: false [2019-10-22 11:27:18,954 INFO L439 ceAbstractionStarter]: At program point L556-1(lines 1 1014) the Hoare annotation is: (let ((.cse0 (= (bvadd ~waterLevel~0 (_ bv4294967294 32)) (_ bv0 32))) (.cse1 (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|))) (.cse4 (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~4 (_ bv0 32)))) (.cse2 (= (_ bv0 32) ~pumpRunning~0)) (.cse6 (not (= ~systemActive~0 (_ bv0 32)))) (.cse5 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse3 (bvslt ULTIMATE.start_test_~splverifierCounter~0 (_ bv4 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse2 .cse3 .cse5 (= (_ bv1 32) |ULTIMATE.start_getWaterLevel_#res|) (= (bvadd ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~4 (_ bv4294967295 32)) (_ bv0 32))) (and .cse0 .cse1 .cse3 .cse6 .cse4) (and (and .cse2 .cse6 (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|) .cse5) .cse3))) [2019-10-22 11:27:18,954 INFO L439 ceAbstractionStarter]: At program point L622-4(lines 617 625) the Hoare annotation is: (and (not (= ~systemActive~0 (_ bv0 32))) (= (bvadd ~waterLevel~0 (_ bv4294967294 32)) (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (bvslt ULTIMATE.start_test_~splverifierCounter~0 (_ bv4 32))) [2019-10-22 11:27:18,954 INFO L443 ceAbstractionStarter]: For program point L556-2(lines 556 569) no Hoare annotation was computed. [2019-10-22 11:27:18,954 INFO L439 ceAbstractionStarter]: At program point L622-5(lines 617 625) the Hoare annotation is: false [2019-10-22 11:27:18,954 INFO L439 ceAbstractionStarter]: At program point L556-3(lines 1 1014) 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|) (= (bvadd ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~4 (_ bv4294967295 32)) (_ bv0 32))) [2019-10-22 11:27:18,954 INFO L439 ceAbstractionStarter]: At program point L622-6(lines 617 625) the Hoare annotation is: false [2019-10-22 11:27:18,954 INFO L443 ceAbstractionStarter]: For program point L556-4(lines 556 569) no Hoare annotation was computed. [2019-10-22 11:27:18,954 INFO L439 ceAbstractionStarter]: At program point L622-7(lines 617 625) the Hoare annotation is: false [2019-10-22 11:27:18,954 INFO L439 ceAbstractionStarter]: At program point L556-5(lines 1 1014) 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|) (= (bvadd ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~4 (_ bv4294967295 32)) (_ bv0 32))) [2019-10-22 11:27:18,955 INFO L439 ceAbstractionStarter]: At program point L622-8(lines 617 625) the Hoare annotation is: false [2019-10-22 11:27:18,955 INFO L439 ceAbstractionStarter]: At program point L622-9(lines 617 625) the Hoare annotation is: false [2019-10-22 11:27:18,955 INFO L439 ceAbstractionStarter]: At program point L622-10(lines 617 625) the Hoare annotation is: false [2019-10-22 11:27:18,955 INFO L439 ceAbstractionStarter]: At program point L622-11(lines 617 625) the Hoare annotation is: false [2019-10-22 11:27:18,955 INFO L439 ceAbstractionStarter]: At program point L622-12(lines 617 625) the Hoare annotation is: false [2019-10-22 11:27:18,955 INFO L439 ceAbstractionStarter]: At program point L622-13(lines 617 625) the Hoare annotation is: false [2019-10-22 11:27:18,955 INFO L439 ceAbstractionStarter]: At program point L622-14(lines 617 625) the Hoare annotation is: false [2019-10-22 11:27:18,955 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-22 11:27:18,955 INFO L443 ceAbstractionStarter]: For program point L821(lines 821 827) no Hoare annotation was computed. [2019-10-22 11:27:18,955 INFO L443 ceAbstractionStarter]: For program point L821-2(lines 821 827) no Hoare annotation was computed. [2019-10-22 11:27:18,955 INFO L443 ceAbstractionStarter]: For program point L821-4(lines 821 827) no Hoare annotation was computed. [2019-10-22 11:27:18,955 INFO L443 ceAbstractionStarter]: For program point L821-6(lines 821 827) no Hoare annotation was computed. [2019-10-22 11:27:18,955 INFO L443 ceAbstractionStarter]: For program point L821-8(lines 821 827) no Hoare annotation was computed. [2019-10-22 11:27:18,956 INFO L443 ceAbstractionStarter]: For program point L821-10(lines 821 827) no Hoare annotation was computed. [2019-10-22 11:27:18,956 INFO L443 ceAbstractionStarter]: For program point L821-12(lines 821 827) no Hoare annotation was computed. [2019-10-22 11:27:18,956 INFO L443 ceAbstractionStarter]: For program point L821-14(lines 821 827) no Hoare annotation was computed. [2019-10-22 11:27:18,956 INFO L443 ceAbstractionStarter]: For program point L821-16(lines 821 827) no Hoare annotation was computed. [2019-10-22 11:27:18,956 INFO L443 ceAbstractionStarter]: For program point L821-18(lines 821 827) no Hoare annotation was computed. [2019-10-22 11:27:18,957 INFO L443 ceAbstractionStarter]: For program point L821-20(lines 821 827) no Hoare annotation was computed. [2019-10-22 11:27:18,957 INFO L443 ceAbstractionStarter]: For program point L821-22(lines 821 827) no Hoare annotation was computed. [2019-10-22 11:27:18,957 INFO L443 ceAbstractionStarter]: For program point L560(lines 560 566) no Hoare annotation was computed. [2019-10-22 11:27:18,957 INFO L443 ceAbstractionStarter]: For program point L560-2(lines 560 566) no Hoare annotation was computed. [2019-10-22 11:27:18,957 INFO L443 ceAbstractionStarter]: For program point L560-4(lines 560 566) no Hoare annotation was computed. [2019-10-22 11:27:18,957 INFO L443 ceAbstractionStarter]: For program point L759(lines 759 776) no Hoare annotation was computed. [2019-10-22 11:27:18,957 INFO L443 ceAbstractionStarter]: For program point L759-1(lines 759 776) no Hoare annotation was computed. [2019-10-22 11:27:18,957 INFO L443 ceAbstractionStarter]: For program point L759-2(lines 759 776) no Hoare annotation was computed. [2019-10-22 11:27:18,957 INFO L443 ceAbstractionStarter]: For program point L759-3(lines 759 776) no Hoare annotation was computed. [2019-10-22 11:27:18,957 INFO L443 ceAbstractionStarter]: For program point L759-4(lines 759 776) no Hoare annotation was computed. [2019-10-22 11:27:18,957 INFO L443 ceAbstractionStarter]: For program point L759-5(lines 759 776) no Hoare annotation was computed. [2019-10-22 11:27:18,957 INFO L443 ceAbstractionStarter]: For program point L496(lines 496 503) no Hoare annotation was computed. [2019-10-22 11:27:18,958 INFO L446 ceAbstractionStarter]: At program point L496-1(lines 496 503) the Hoare annotation is: true [2019-10-22 11:27:18,988 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 11:27:18 BoogieIcfgContainer [2019-10-22 11:27:18,988 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-22 11:27:18,989 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 11:27:18,989 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 11:27:18,989 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 11:27:18,989 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:26:59" (3/4) ... [2019-10-22 11:27:18,992 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-10-22 11:27:19,018 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-10-22 11:27:19,019 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-10-22 11:27:19,020 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2019-10-22 11:27:19,021 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-10-22 11:27:19,022 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-10-22 11:27:19,023 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-10-22 11:27:19,048 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 11:27:19,049 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 11:27:19,049 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) && 1bv32 == \result) && ~bvadd64(tmp, 4294967295bv32) == 0bv32)) || ((((~bvadd64(waterLevel, 4294967294bv32) == 0bv32 && !(0bv32 == \result)) && ~bvslt32(splverifierCounter, 4bv32)) && !(systemActive == 0bv32)) && !(tmp == 0bv32))) || ((((0bv32 == pumpRunning && !(systemActive == 0bv32)) && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && ~bvslt32(splverifierCounter, 4bv32)) [2019-10-22 11:27:19,049 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((0bv32 == pumpRunning && !(systemActive == 0bv32)) && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) || ((((0bv32 == pumpRunning && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) [2019-10-22 11:27:19,049 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((0bv32 == pumpRunning && !(systemActive == 0bv32)) && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) || ((((0bv32 == pumpRunning && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) [2019-10-22 11:27:19,049 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((0bv32 == pumpRunning && ~bvslt32(splverifierCounter, 4bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) || ((((~bvadd64(waterLevel, 4294967294bv32) == 0bv32 && !(0bv32 == \result)) && 0bv32 == pumpRunning) && ~bvslt32(splverifierCounter, 4bv32)) && !(tmp == 0bv32))) || ((((~bvadd64(waterLevel, 4294967294bv32) == 0bv32 && !(0bv32 == \result)) && ~bvslt32(splverifierCounter, 4bv32)) && !(systemActive == 0bv32)) && !(tmp == 0bv32))) || ((((0bv32 == pumpRunning && !(systemActive == 0bv32)) && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && ~bvslt32(splverifierCounter, 4bv32))) || ((~bvadd64(waterLevel, 4294967294bv32) == 0bv32 && ~bvslt32(splverifierCounter, 4bv32)) && 0bv32 == pumpRunning && !(systemActive == 0bv32)) [2019-10-22 11:27:19,049 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((1bv32 == \result && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && ((0bv32 == pumpRunning && !(systemActive == 0bv32)) && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) || ((((0bv32 == pumpRunning && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) [2019-10-22 11:27:19,050 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((0bv32 == pumpRunning && ~bvslt32(splverifierCounter, 4bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) || ((((~bvadd64(waterLevel, 4294967294bv32) == 0bv32 && !(0bv32 == \result)) && 0bv32 == pumpRunning) && ~bvslt32(splverifierCounter, 4bv32)) && !(tmp == 0bv32))) || ((((~bvadd64(waterLevel, 4294967294bv32) == 0bv32 && !(0bv32 == \result)) && ~bvslt32(splverifierCounter, 4bv32)) && !(systemActive == 0bv32)) && !(tmp == 0bv32))) || ((((0bv32 == pumpRunning && !(systemActive == 0bv32)) && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && ~bvslt32(splverifierCounter, 4bv32))) || ((~bvadd64(waterLevel, 4294967294bv32) == 0bv32 && ~bvslt32(splverifierCounter, 4bv32)) && 0bv32 == pumpRunning && !(systemActive == 0bv32)) [2019-10-22 11:27:19,050 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((0bv32 == pumpRunning && ~bvslt32(splverifierCounter, 4bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) || ((((~bvadd64(waterLevel, 4294967294bv32) == 0bv32 && !(0bv32 == \result)) && ~bvslt32(splverifierCounter, 4bv32)) && !(systemActive == 0bv32)) && !(tmp == 0bv32))) || ((~bvadd64(waterLevel, 4294967294bv32) == 0bv32 && ~bvslt32(splverifierCounter, 4bv32)) && 0bv32 == pumpRunning)) || (((0bv32 == pumpRunning && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && ~bvslt32(splverifierCounter, 4bv32)) [2019-10-22 11:27:19,050 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((0bv32 == pumpRunning && ~bvslt32(splverifierCounter, 4bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) || ((~bvadd64(waterLevel, 4294967294bv32) == 0bv32 && ~bvslt32(splverifierCounter, 4bv32)) && 0bv32 == pumpRunning)) || ((((!(0bv32 == \result) && ~bvslt32(splverifierCounter, 4bv32)) && !(systemActive == 0bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && !(tmp == 0bv32))) || (((0bv32 == pumpRunning && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && ~bvslt32(splverifierCounter, 4bv32)) [2019-10-22 11:27:19,050 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((0bv32 == pumpRunning && ~bvslt32(splverifierCounter, 4bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) || ((~bvadd64(waterLevel, 4294967294bv32) == 0bv32 && ~bvslt32(splverifierCounter, 4bv32)) && 0bv32 == pumpRunning)) || (((0bv32 == pumpRunning && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && ~bvslt32(splverifierCounter, 4bv32))) || ((~bvadd64(waterLevel, 4294967294bv32) == 0bv32 && ~bvslt32(splverifierCounter, 4bv32)) && !(systemActive == 0bv32))) || (((((0bv32 == pumpRunning && !(systemActive == 0bv32)) && !(0bv32 == \result)) && ~bvslt32(splverifierCounter, 4bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && !(tmp == 0bv32)) [2019-10-22 11:27:19,050 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((0bv32 == pumpRunning && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result [2019-10-22 11:27:19,050 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((0bv32 == pumpRunning && ~bvslt32(splverifierCounter, 4bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) || ((~bvadd64(waterLevel, 4294967294bv32) == 0bv32 && ~bvslt32(splverifierCounter, 4bv32)) && 0bv32 == pumpRunning)) || (((0bv32 == pumpRunning && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && ~bvslt32(splverifierCounter, 4bv32)) [2019-10-22 11:27:19,051 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((0bv32 == pumpRunning && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result) && ~bvadd64(tmp, 4294967295bv32) == 0bv32 [2019-10-22 11:27:19,051 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((0bv32 == pumpRunning && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result) && ~bvadd64(tmp, 4294967295bv32) == 0bv32 [2019-10-22 11:27:19,051 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((0bv32 == pumpRunning && ~bvslt32(splverifierCounter, 4bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result) || (((~bvadd64(waterLevel, 4294967294bv32) == 0bv32 && 0bv32 == pumpRunning) && !(0bv32 == \result)) && ~bvslt32(splverifierCounter, 4bv32))) || (((~bvadd64(waterLevel, 4294967294bv32) == 0bv32 && !(0bv32 == \result)) && ~bvslt32(splverifierCounter, 4bv32)) && !(systemActive == 0bv32)) [2019-10-22 11:27:19,051 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((0bv32 == pumpRunning && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result) && ~bvadd64(tmp, 4294967295bv32) == 0bv32 [2019-10-22 11:27:19,052 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((0bv32 == pumpRunning && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result) && ~bvadd64(tmp, 4294967295bv32) == 0bv32 [2019-10-22 11:27:19,052 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(systemActive == 0bv32) && !(0bv32 == \result)) && ~bvslt32(splverifierCounter, 4bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && !(tmp == 0bv32) [2019-10-22 11:27:19,053 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 11:27:19,053 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(systemActive == 0bv32) && !(0bv32 == \result)) && ~bvslt32(splverifierCounter, 4bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && !(tmp == 0bv32) [2019-10-22 11:27:19,053 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((0bv32 == pumpRunning && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result [2019-10-22 11:27:19,054 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1bv32 == \result && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && \result == 0bv32) && tmp___0 == 0bv32) && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 [2019-10-22 11:27:19,054 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1bv32 == \result && 0bv32 == pumpRunning) && ~bvslt32(splverifierCounter, 4bv32)) && !(systemActive == 0bv32)) && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) || ((((((1bv32 == \result && 0bv32 == pumpRunning) && !(0bv32 == \result)) && !(systemActive == 0bv32)) && ~bvslt32(splverifierCounter, 4bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && !(tmp == 0bv32))) || ((~bvadd64(waterLevel, 4294967294bv32) == 0bv32 && ~bvslt32(splverifierCounter, 4bv32)) && 0bv32 == pumpRunning && !(systemActive == 0bv32)) [2019-10-22 11:27:19,054 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((0bv32 == pumpRunning && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result) && ~bvadd64(tmp, 4294967295bv32) == 0bv32 [2019-10-22 11:27:19,055 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((1bv32 == \result && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvslt32(splverifierCounter, 4bv32)) && !(systemActive == 0bv32)) && \result == 0bv32) && tmp___0 == 0bv32) && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) || ((~bvadd64(waterLevel, 4294967294bv32) == 0bv32 && ~bvslt32(splverifierCounter, 4bv32)) && 0bv32 == pumpRunning && !(systemActive == 0bv32))) || (((((((((1bv32 == \result && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && !(0bv32 == \result)) && !(systemActive == 0bv32)) && ~bvslt32(splverifierCounter, 4bv32)) && \result == 0bv32) && tmp___0 == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && !(tmp == 0bv32)) [2019-10-22 11:27:19,055 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1bv32 == \result && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result) && ~bvadd64(tmp, 4294967295bv32) == 0bv32 [2019-10-22 11:27:19,055 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(systemActive == 0bv32) && !(0bv32 == \result)) && ~bvslt32(splverifierCounter, 4bv32)) && \result == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && !(tmp == 0bv32) [2019-10-22 11:27:19,056 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1bv32 == \result && !(systemActive == 0bv32)) && !(0bv32 == \result)) && 0bv32 == pumpRunning) && ~bvslt32(splverifierCounter, 4bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && !(tmp == 0bv32) [2019-10-22 11:27:19,057 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((1bv32 == \result && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && \result == 0bv32) && tmp___0 == 0bv32) && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result) && ~bvadd64(tmp, 4294967295bv32) == 0bv32 [2019-10-22 11:27:19,057 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((~bvadd64(tmp___0, 4294967295bv32) == 0bv32 && !(systemActive == 0bv32)) && !(0bv32 == \result)) && ~bvslt32(splverifierCounter, 4bv32)) && \result == 0bv32) && tmp == 0bv32) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && !(tmp == 0bv32) [2019-10-22 11:27:19,057 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((1bv32 == \result && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && !(systemActive == 0bv32)) && !(0bv32 == \result)) && 0bv32 == pumpRunning) && ~bvslt32(splverifierCounter, 4bv32)) && \result == 0bv32) && tmp___0 == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && !(tmp == 0bv32) [2019-10-22 11:27:19,137 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_a747705b-dbf9-4cff-8646-3a0c5e6c9b62/bin/utaipan/witness.graphml [2019-10-22 11:27:19,137 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 11:27:19,138 INFO L168 Benchmark]: Toolchain (without parser) took 21457.33 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 445.1 MB). Free memory was 945.6 MB in the beginning and 1.4 GB in the end (delta: -443.2 MB). Peak memory consumption was 1.9 MB. Max. memory is 11.5 GB. [2019-10-22 11:27:19,139 INFO L168 Benchmark]: CDTParser took 0.17 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 11:27:19,139 INFO L168 Benchmark]: CACSL2BoogieTranslator took 559.00 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 100.1 MB). Free memory was 945.6 MB in the beginning and 1.1 GB in the end (delta: -128.5 MB). Peak memory consumption was 30.2 MB. Max. memory is 11.5 GB. [2019-10-22 11:27:19,139 INFO L168 Benchmark]: Boogie Procedure Inliner took 73.57 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-10-22 11:27:19,139 INFO L168 Benchmark]: Boogie Preprocessor took 81.01 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 8.5 MB). Peak memory consumption was 8.5 MB. Max. memory is 11.5 GB. [2019-10-22 11:27:19,139 INFO L168 Benchmark]: RCFGBuilder took 1429.03 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 971.5 MB in the end (delta: 87.3 MB). Peak memory consumption was 87.3 MB. Max. memory is 11.5 GB. [2019-10-22 11:27:19,140 INFO L168 Benchmark]: TraceAbstraction took 19161.08 ms. Allocated memory was 1.1 GB in the beginning and 1.5 GB in the end (delta: 345.0 MB). Free memory was 971.5 MB in the beginning and 1.4 GB in the end (delta: -444.2 MB). Peak memory consumption was 464.5 MB. Max. memory is 11.5 GB. [2019-10-22 11:27:19,140 INFO L168 Benchmark]: Witness Printer took 148.71 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 26.8 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. [2019-10-22 11:27:19,142 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 977.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 559.00 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 100.1 MB). Free memory was 945.6 MB in the beginning and 1.1 GB in the end (delta: -128.5 MB). Peak memory consumption was 30.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 73.57 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 81.01 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 8.5 MB). Peak memory consumption was 8.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1429.03 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 971.5 MB in the end (delta: 87.3 MB). Peak memory consumption was 87.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 19161.08 ms. Allocated memory was 1.1 GB in the beginning and 1.5 GB in the end (delta: 345.0 MB). Free memory was 971.5 MB in the beginning and 1.4 GB in the end (delta: -444.2 MB). Peak memory consumption was 464.5 MB. Max. memory is 11.5 GB. * Witness Printer took 148.71 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 26.8 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 686]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 686]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 686]: 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: 617]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 649]: Loop Invariant Derived loop invariant: ((((0bv32 == pumpRunning && ~bvslt32(splverifierCounter, 4bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result) || (((~bvadd64(waterLevel, 4294967294bv32) == 0bv32 && 0bv32 == pumpRunning) && !(0bv32 == \result)) && ~bvslt32(splverifierCounter, 4bv32))) || (((~bvadd64(waterLevel, 4294967294bv32) == 0bv32 && !(0bv32 == \result)) && ~bvslt32(splverifierCounter, 4bv32)) && !(systemActive == 0bv32)) - InvariantResult [Line: 895]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 617]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 649]: Loop Invariant Derived loop invariant: ((0bv32 == pumpRunning && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result - InvariantResult [Line: 895]: Loop Invariant Derived loop invariant: ((((((((1bv32 == \result && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && !(systemActive == 0bv32)) && !(0bv32 == \result)) && 0bv32 == pumpRunning) && ~bvslt32(splverifierCounter, 4bv32)) && \result == 0bv32) && tmp___0 == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && !(tmp == 0bv32) - InvariantResult [Line: 617]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 850]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 649]: Loop Invariant Derived loop invariant: ((0bv32 == pumpRunning && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result - InvariantResult [Line: 895]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 617]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 850]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 895]: Loop Invariant Derived loop invariant: (((((((((1bv32 == \result && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvslt32(splverifierCounter, 4bv32)) && !(systemActive == 0bv32)) && \result == 0bv32) && tmp___0 == 0bv32) && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) || ((~bvadd64(waterLevel, 4294967294bv32) == 0bv32 && ~bvslt32(splverifierCounter, 4bv32)) && 0bv32 == pumpRunning && !(systemActive == 0bv32))) || (((((((((1bv32 == \result && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && !(0bv32 == \result)) && !(systemActive == 0bv32)) && ~bvslt32(splverifierCounter, 4bv32)) && \result == 0bv32) && tmp___0 == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && !(tmp == 0bv32)) - InvariantResult [Line: 617]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 850]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 895]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 617]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((0bv32 == pumpRunning && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result) && ~bvadd64(tmp, 4294967295bv32) == 0bv32 - InvariantResult [Line: 914]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 969]: Loop Invariant Derived loop invariant: (((((((0bv32 == pumpRunning && ~bvslt32(splverifierCounter, 4bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) || ((((~bvadd64(waterLevel, 4294967294bv32) == 0bv32 && !(0bv32 == \result)) && 0bv32 == pumpRunning) && ~bvslt32(splverifierCounter, 4bv32)) && !(tmp == 0bv32))) || ((((~bvadd64(waterLevel, 4294967294bv32) == 0bv32 && !(0bv32 == \result)) && ~bvslt32(splverifierCounter, 4bv32)) && !(systemActive == 0bv32)) && !(tmp == 0bv32))) || ((((0bv32 == pumpRunning && !(systemActive == 0bv32)) && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && ~bvslt32(splverifierCounter, 4bv32))) || ((~bvadd64(waterLevel, 4294967294bv32) == 0bv32 && ~bvslt32(splverifierCounter, 4bv32)) && 0bv32 == pumpRunning && !(systemActive == 0bv32)) - InvariantResult [Line: 617]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 914]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 617]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((0bv32 == pumpRunning && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result) && ~bvadd64(tmp, 4294967295bv32) == 0bv32 - InvariantResult [Line: 914]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 617]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 617]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 672]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 839]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 486]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 617]: Loop Invariant Derived loop invariant: (((!(systemActive == 0bv32) && !(0bv32 == \result)) && ~bvslt32(splverifierCounter, 4bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && !(tmp == 0bv32) - InvariantResult [Line: 672]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 839]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 617]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 672]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 701]: Loop Invariant Derived loop invariant: ((((((0bv32 == pumpRunning && ~bvslt32(splverifierCounter, 4bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) || ((((~bvadd64(waterLevel, 4294967294bv32) == 0bv32 && !(0bv32 == \result)) && ~bvslt32(splverifierCounter, 4bv32)) && !(systemActive == 0bv32)) && !(tmp == 0bv32))) || ((~bvadd64(waterLevel, 4294967294bv32) == 0bv32 && ~bvslt32(splverifierCounter, 4bv32)) && 0bv32 == pumpRunning)) || (((0bv32 == pumpRunning && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && ~bvslt32(splverifierCounter, 4bv32)) - InvariantResult [Line: 839]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 617]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 672]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 914]: Loop Invariant Derived loop invariant: (((((((~bvadd64(tmp___0, 4294967295bv32) == 0bv32 && !(systemActive == 0bv32)) && !(0bv32 == \result)) && ~bvslt32(splverifierCounter, 4bv32)) && \result == 0bv32) && tmp == 0bv32) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && !(tmp == 0bv32) - InvariantResult [Line: 839]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 617]: 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) && 1bv32 == \result) && ~bvadd64(tmp, 4294967295bv32) == 0bv32)) || ((((~bvadd64(waterLevel, 4294967294bv32) == 0bv32 && !(0bv32 == \result)) && ~bvslt32(splverifierCounter, 4bv32)) && !(systemActive == 0bv32)) && !(tmp == 0bv32))) || ((((0bv32 == pumpRunning && !(systemActive == 0bv32)) && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && ~bvslt32(splverifierCounter, 4bv32)) - InvariantResult [Line: 672]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 914]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 839]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 617]: Loop Invariant Derived loop invariant: ((!(systemActive == 0bv32) && ~bvadd64(waterLevel, 4294967294bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvslt32(splverifierCounter, 4bv32) - InvariantResult [Line: 914]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 658]: Loop Invariant Derived loop invariant: (((1bv32 == \result && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 - InvariantResult [Line: 839]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 658]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 937]: Loop Invariant Derived loop invariant: (((((0bv32 == pumpRunning && ~bvslt32(splverifierCounter, 4bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) || ((~bvadd64(waterLevel, 4294967294bv32) == 0bv32 && ~bvslt32(splverifierCounter, 4bv32)) && 0bv32 == pumpRunning)) || (((0bv32 == pumpRunning && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && ~bvslt32(splverifierCounter, 4bv32)) - InvariantResult [Line: 839]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 658]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 839]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 658]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 839]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 658]: Loop Invariant Derived loop invariant: (((((1bv32 == \result && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result) && ~bvadd64(tmp, 4294967295bv32) == 0bv32 - InvariantResult [Line: 839]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 672]: Loop Invariant Derived loop invariant: ((((!(systemActive == 0bv32) && !(0bv32 == \result)) && ~bvslt32(splverifierCounter, 4bv32)) && \result == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && !(tmp == 0bv32) - InvariantResult [Line: 658]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 839]: Loop Invariant Derived loop invariant: (((!(systemActive == 0bv32) && !(0bv32 == \result)) && ~bvslt32(splverifierCounter, 4bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && !(tmp == 0bv32) - InvariantResult [Line: 658]: Loop Invariant Derived loop invariant: ((((((1bv32 == \result && 0bv32 == pumpRunning) && ~bvslt32(splverifierCounter, 4bv32)) && !(systemActive == 0bv32)) && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) || ((((((1bv32 == \result && 0bv32 == pumpRunning) && !(0bv32 == \result)) && !(systemActive == 0bv32)) && ~bvslt32(splverifierCounter, 4bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && !(tmp == 0bv32))) || ((~bvadd64(waterLevel, 4294967294bv32) == 0bv32 && ~bvslt32(splverifierCounter, 4bv32)) && 0bv32 == pumpRunning && !(systemActive == 0bv32)) - InvariantResult [Line: 839]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 658]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 839]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 658]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 839]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 418]: Loop Invariant Derived loop invariant: (((0bv32 == pumpRunning && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result) && ~bvadd64(tmp, 4294967295bv32) == 0bv32 - InvariantResult [Line: 465]: Loop Invariant Derived loop invariant: ((0bv32 == pumpRunning && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 - InvariantResult [Line: 658]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 839]: Loop Invariant Derived loop invariant: ((!(systemActive == 0bv32) && ~bvadd64(waterLevel, 4294967294bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvslt32(splverifierCounter, 4bv32) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 - InvariantResult [Line: 658]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 658]: Loop Invariant Derived loop invariant: (((((1bv32 == \result && !(systemActive == 0bv32)) && !(0bv32 == \result)) && 0bv32 == pumpRunning) && ~bvslt32(splverifierCounter, 4bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && !(tmp == 0bv32) - InvariantResult [Line: 958]: Loop Invariant Derived loop invariant: (((0bv32 == pumpRunning && !(systemActive == 0bv32)) && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) || ((((0bv32 == pumpRunning && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) - InvariantResult [Line: 708]: Loop Invariant Derived loop invariant: (((((((0bv32 == pumpRunning && ~bvslt32(splverifierCounter, 4bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) || ((~bvadd64(waterLevel, 4294967294bv32) == 0bv32 && ~bvslt32(splverifierCounter, 4bv32)) && 0bv32 == pumpRunning)) || (((0bv32 == pumpRunning && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && ~bvslt32(splverifierCounter, 4bv32))) || ((~bvadd64(waterLevel, 4294967294bv32) == 0bv32 && ~bvslt32(splverifierCounter, 4bv32)) && !(systemActive == 0bv32))) || (((((0bv32 == pumpRunning && !(systemActive == 0bv32)) && !(0bv32 == \result)) && ~bvslt32(splverifierCounter, 4bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && !(tmp == 0bv32)) - InvariantResult [Line: 895]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 708]: Loop Invariant Derived loop invariant: ((1bv32 == \result && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && ((0bv32 == pumpRunning && !(systemActive == 0bv32)) && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) || ((((0bv32 == pumpRunning && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) - InvariantResult [Line: 895]: Loop Invariant Derived loop invariant: ((((((((1bv32 == \result && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && \result == 0bv32) && tmp___0 == 0bv32) && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result) && ~bvadd64(tmp, 4294967295bv32) == 0bv32 - InvariantResult [Line: 708]: Loop Invariant Derived loop invariant: (((0bv32 == pumpRunning && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result) && ~bvadd64(tmp, 4294967295bv32) == 0bv32 - InvariantResult [Line: 895]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 895]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 700]: Loop Invariant Derived loop invariant: ((((((0bv32 == pumpRunning && ~bvslt32(splverifierCounter, 4bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) || ((~bvadd64(waterLevel, 4294967294bv32) == 0bv32 && ~bvslt32(splverifierCounter, 4bv32)) && 0bv32 == pumpRunning)) || ((((!(0bv32 == \result) && ~bvslt32(splverifierCounter, 4bv32)) && !(systemActive == 0bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && !(tmp == 0bv32))) || (((0bv32 == pumpRunning && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && ~bvslt32(splverifierCounter, 4bv32)) - InvariantResult [Line: 979]: Loop Invariant Derived loop invariant: (((((((0bv32 == pumpRunning && ~bvslt32(splverifierCounter, 4bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) || ((((~bvadd64(waterLevel, 4294967294bv32) == 0bv32 && !(0bv32 == \result)) && 0bv32 == pumpRunning) && ~bvslt32(splverifierCounter, 4bv32)) && !(tmp == 0bv32))) || ((((~bvadd64(waterLevel, 4294967294bv32) == 0bv32 && !(0bv32 == \result)) && ~bvslt32(splverifierCounter, 4bv32)) && !(systemActive == 0bv32)) && !(tmp == 0bv32))) || ((((0bv32 == pumpRunning && !(systemActive == 0bv32)) && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && ~bvslt32(splverifierCounter, 4bv32))) || ((~bvadd64(waterLevel, 4294967294bv32) == 0bv32 && ~bvslt32(splverifierCounter, 4bv32)) && 0bv32 == pumpRunning && !(systemActive == 0bv32)) - InvariantResult [Line: 895]: Loop Invariant Derived loop invariant: ((((((1bv32 == \result && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && \result == 0bv32) && tmp___0 == 0bv32) && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 - InvariantResult [Line: 535]: Loop Invariant Derived loop invariant: ((0bv32 == pumpRunning && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 - InvariantResult [Line: 895]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 700]: Loop Invariant Derived loop invariant: (((0bv32 == pumpRunning && !(systemActive == 0bv32)) && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) || ((((0bv32 == pumpRunning && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) - InvariantResult [Line: 895]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 700]: Loop Invariant Derived loop invariant: (((0bv32 == pumpRunning && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result) && ~bvadd64(tmp, 4294967295bv32) == 0bv32 - InvariantResult [Line: 496]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 227 locations, 3 error locations. Result: SAFE, OverallTime: 19.0s, OverallIterations: 11, TraceHistogramMax: 3, AutomataDifference: 4.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 7.0s, HoareTripleCheckerStatistics: 3249 SDtfs, 7191 SDslu, 8769 SDs, 0 SdLazy, 1462 SolverSat, 326 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1164 GetRequests, 1072 SyntacticMatches, 2 SemanticMatches, 90 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 277 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=681occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 11 MinimizatonAttempts, 4736 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 92 LocationsWithAnnotation, 92 PreInvPairs, 278 NumberOfFragments, 1434 HoareAnnotationTreeSize, 92 FomulaSimplifications, 510639 FormulaSimplificationTreeSizeReduction, 1.8s HoareSimplificationTime, 92 FomulaSimplificationsInter, 64045 FormulaSimplificationTreeSizeReductionInter, 5.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 2.4s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 563 NumberOfCodeBlocks, 563 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 1102 ConstructedInterpolants, 0 QuantifiedInterpolants, 129870 SizeOfPredicates, 41 NumberOfNonLiveVariables, 2618 ConjunctsInSsa, 61 ConjunctsInUnsatCore, 24 InterpolantComputations, 20 PerfectInterpolantSequences, 264/300 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...