./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product34.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6b5699aa Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_0361e0b6-3778-4800-bcd0-f0102e416143/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_0361e0b6-3778-4800-bcd0-f0102e416143/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_0361e0b6-3778-4800-bcd0-f0102e416143/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_0361e0b6-3778-4800-bcd0-f0102e416143/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product34.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_0361e0b6-3778-4800-bcd0-f0102e416143/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_0361e0b6-3778-4800-bcd0-f0102e416143/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 feddb53df5c889a09349b532f3a03633c4161684 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.24-6b5699a [2019-11-26 02:39:00,278 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 02:39:00,280 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 02:39:00,291 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 02:39:00,291 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 02:39:00,292 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 02:39:00,294 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 02:39:00,296 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 02:39:00,298 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 02:39:00,298 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 02:39:00,299 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 02:39:00,301 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 02:39:00,301 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 02:39:00,302 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 02:39:00,303 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 02:39:00,304 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 02:39:00,305 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 02:39:00,305 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 02:39:00,307 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 02:39:00,309 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 02:39:00,311 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 02:39:00,312 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 02:39:00,313 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 02:39:00,314 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 02:39:00,316 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 02:39:00,317 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 02:39:00,317 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 02:39:00,318 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 02:39:00,318 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 02:39:00,319 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 02:39:00,319 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 02:39:00,320 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 02:39:00,320 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 02:39:00,321 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 02:39:00,322 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 02:39:00,322 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 02:39:00,323 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 02:39:00,323 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 02:39:00,323 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 02:39:00,324 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 02:39:00,325 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 02:39:00,325 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_0361e0b6-3778-4800-bcd0-f0102e416143/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-11-26 02:39:00,338 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 02:39:00,338 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 02:39:00,339 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-26 02:39:00,339 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-26 02:39:00,340 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-26 02:39:00,340 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-26 02:39:00,340 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-26 02:39:00,340 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-26 02:39:00,340 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-26 02:39:00,341 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-26 02:39:00,341 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-26 02:39:00,341 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-26 02:39:00,341 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-26 02:39:00,342 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-26 02:39:00,342 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-26 02:39:00,342 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 02:39:00,343 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 02:39:00,343 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 02:39:00,343 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 02:39:00,343 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 02:39:00,343 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 02:39:00,344 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 02:39:00,344 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 02:39:00,344 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 02:39:00,344 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 02:39:00,345 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 02:39:00,345 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 02:39:00,345 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 02:39:00,345 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 02:39:00,345 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 02:39:00,346 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 02:39:00,346 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 02:39:00,346 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 02:39:00,346 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-26 02:39:00,347 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 02:39:00,347 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 02:39:00,347 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 02:39:00,347 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/run_dir_0361e0b6-3778-4800-bcd0-f0102e416143/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 -> feddb53df5c889a09349b532f3a03633c4161684 [2019-11-26 02:39:00,478 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 02:39:00,488 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 02:39:00,491 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 02:39:00,492 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 02:39:00,492 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 02:39:00,493 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_0361e0b6-3778-4800-bcd0-f0102e416143/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec4_product34.cil.c [2019-11-26 02:39:00,566 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_0361e0b6-3778-4800-bcd0-f0102e416143/bin/utaipan/data/0c38db740/10969a772e334b49ad2007e9c5600ea6/FLAG8de4f1dc6 [2019-11-26 02:39:01,102 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 02:39:01,102 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_0361e0b6-3778-4800-bcd0-f0102e416143/sv-benchmarks/c/product-lines/minepump_spec4_product34.cil.c [2019-11-26 02:39:01,117 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_0361e0b6-3778-4800-bcd0-f0102e416143/bin/utaipan/data/0c38db740/10969a772e334b49ad2007e9c5600ea6/FLAG8de4f1dc6 [2019-11-26 02:39:01,576 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_0361e0b6-3778-4800-bcd0-f0102e416143/bin/utaipan/data/0c38db740/10969a772e334b49ad2007e9c5600ea6 [2019-11-26 02:39:01,579 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 02:39:01,580 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-26 02:39:01,581 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 02:39:01,581 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 02:39:01,584 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 02:39:01,585 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:39:01" (1/1) ... [2019-11-26 02:39:01,587 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e9ab079 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:39:01, skipping insertion in model container [2019-11-26 02:39:01,587 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:39:01" (1/1) ... [2019-11-26 02:39:01,594 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 02:39:01,641 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-26 02:39:01,971 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:39:01,981 INFO L201 MainTranslator]: Completed pre-run [2019-11-26 02:39:02,058 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:39:02,086 INFO L205 MainTranslator]: Completed translation [2019-11-26 02:39:02,087 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:39:02 WrapperNode [2019-11-26 02:39:02,087 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 02:39:02,088 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 02:39:02,088 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 02:39:02,088 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 02:39:02,096 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:39:02" (1/1) ... [2019-11-26 02:39:02,112 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:39:02" (1/1) ... [2019-11-26 02:39:02,143 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 02:39:02,143 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 02:39:02,144 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 02:39:02,144 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 02:39:02,152 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:39:02" (1/1) ... [2019-11-26 02:39:02,152 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:39:02" (1/1) ... [2019-11-26 02:39:02,157 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:39:02" (1/1) ... [2019-11-26 02:39:02,157 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:39:02" (1/1) ... [2019-11-26 02:39:02,167 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:39:02" (1/1) ... [2019-11-26 02:39:02,174 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:39:02" (1/1) ... [2019-11-26 02:39:02,176 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:39:02" (1/1) ... [2019-11-26 02:39:02,180 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 02:39:02,180 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-26 02:39:02,181 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-26 02:39:02,181 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-26 02:39:02,182 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:39:02" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0361e0b6-3778-4800-bcd0-f0102e416143/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 [2019-11-26 02:39:02,243 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-26 02:39:02,244 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-26 02:39:02,244 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-26 02:39:02,254 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-26 02:39:03,663 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-26 02:39:03,664 INFO L284 CfgBuilder]: Removed 98 assume(true) statements. [2019-11-26 02:39:03,665 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:39:03 BoogieIcfgContainer [2019-11-26 02:39:03,665 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-26 02:39:03,666 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-26 02:39:03,667 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-26 02:39:03,670 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-26 02:39:03,670 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 02:39:01" (1/3) ... [2019-11-26 02:39:03,671 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ac35636 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 02:39:03, skipping insertion in model container [2019-11-26 02:39:03,673 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:39:02" (2/3) ... [2019-11-26 02:39:03,673 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ac35636 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 02:39:03, skipping insertion in model container [2019-11-26 02:39:03,673 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:39:03" (3/3) ... [2019-11-26 02:39:03,676 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product34.cil.c [2019-11-26 02:39:03,686 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-26 02:39:03,693 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-11-26 02:39:03,704 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-11-26 02:39:03,735 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-26 02:39:03,736 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-26 02:39:03,736 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-26 02:39:03,736 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-26 02:39:03,736 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-26 02:39:03,736 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-26 02:39:03,736 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-26 02:39:03,737 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-26 02:39:03,753 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states. [2019-11-26 02:39:03,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-11-26 02:39:03,764 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 02:39:03,765 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-26 02:39:03,766 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-26 02:39:03,771 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:39:03,772 INFO L82 PathProgramCache]: Analyzing trace with hash 1940413213, now seen corresponding path program 1 times [2019-11-26 02:39:03,782 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-26 02:39:03,782 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2023325394] [2019-11-26 02:39:03,782 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-26 02:39:03,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:39:04,056 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:39:04,057 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2023325394] [2019-11-26 02:39:04,058 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-26 02:39:04,058 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-26 02:39:04,059 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [812877300] [2019-11-26 02:39:04,063 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-26 02:39:04,063 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-26 02:39:04,073 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-26 02:39:04,074 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-26 02:39:04,075 INFO L87 Difference]: Start difference. First operand 23 states. Second operand 2 states. [2019-11-26 02:39:04,089 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 02:39:04,089 INFO L93 Difference]: Finished difference Result 44 states and 63 transitions. [2019-11-26 02:39:04,089 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-26 02:39:04,091 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 7 [2019-11-26 02:39:04,091 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 02:39:04,098 INFO L225 Difference]: With dead ends: 44 [2019-11-26 02:39:04,098 INFO L226 Difference]: Without dead ends: 21 [2019-11-26 02:39:04,101 INFO L630 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 [2019-11-26 02:39:04,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2019-11-26 02:39:04,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2019-11-26 02:39:04,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2019-11-26 02:39:04,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 25 transitions. [2019-11-26 02:39:04,134 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 25 transitions. Word has length 7 [2019-11-26 02:39:04,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 02:39:04,135 INFO L462 AbstractCegarLoop]: Abstraction has 21 states and 25 transitions. [2019-11-26 02:39:04,135 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-26 02:39:04,135 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 25 transitions. [2019-11-26 02:39:04,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-11-26 02:39:04,136 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 02:39:04,136 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-26 02:39:04,137 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-26 02:39:04,137 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:39:04,137 INFO L82 PathProgramCache]: Analyzing trace with hash 1616847783, now seen corresponding path program 1 times [2019-11-26 02:39:04,138 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-26 02:39:04,138 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1724634289] [2019-11-26 02:39:04,138 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-26 02:39:04,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:39:04,331 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:39:04,331 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1724634289] [2019-11-26 02:39:04,331 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-26 02:39:04,331 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-26 02:39:04,332 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1127741150] [2019-11-26 02:39:04,333 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-26 02:39:04,333 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-26 02:39:04,334 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-26 02:39:04,334 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2019-11-26 02:39:04,334 INFO L87 Difference]: Start difference. First operand 21 states and 25 transitions. Second operand 6 states. [2019-11-26 02:39:04,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 02:39:04,504 INFO L93 Difference]: Finished difference Result 57 states and 68 transitions. [2019-11-26 02:39:04,504 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-26 02:39:04,505 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 7 [2019-11-26 02:39:04,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 02:39:04,506 INFO L225 Difference]: With dead ends: 57 [2019-11-26 02:39:04,506 INFO L226 Difference]: Without dead ends: 51 [2019-11-26 02:39:04,507 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-11-26 02:39:04,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2019-11-26 02:39:04,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 34. [2019-11-26 02:39:04,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2019-11-26 02:39:04,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 42 transitions. [2019-11-26 02:39:04,520 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 42 transitions. Word has length 7 [2019-11-26 02:39:04,521 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 02:39:04,521 INFO L462 AbstractCegarLoop]: Abstraction has 34 states and 42 transitions. [2019-11-26 02:39:04,521 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-26 02:39:04,521 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 42 transitions. [2019-11-26 02:39:04,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-26 02:39:04,523 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 02:39:04,524 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1] [2019-11-26 02:39:04,524 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-26 02:39:04,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:39:04,526 INFO L82 PathProgramCache]: Analyzing trace with hash -1897989529, now seen corresponding path program 1 times [2019-11-26 02:39:04,526 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-26 02:39:04,527 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [337215402] [2019-11-26 02:39:04,527 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-26 02:39:04,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:39:04,796 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:39:04,797 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [337215402] [2019-11-26 02:39:04,797 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [19856674] [2019-11-26 02:39:04,797 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0361e0b6-3778-4800-bcd0-f0102e416143/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 [2019-11-26 02:39:04,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:39:04,969 INFO L255 TraceCheckSpWp]: Trace formula consists of 337 conjuncts, 27 conjunts are in the unsatisfiable core [2019-11-26 02:39:04,976 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-26 02:39:05,156 WARN L192 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 44 [2019-11-26 02:39:05,169 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:39:05,173 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:39:05,174 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:39:05,175 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:39:05,176 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:39:05,178 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:39:05,181 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:39:05,183 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:39:05,185 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:39:05,186 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:39:05,187 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:39:05,188 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:39:05,189 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:39:05,190 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:39:05,193 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:39:05,193 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:39:05,194 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:39:05,195 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:39:05,199 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:39:05,201 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:39:05,204 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:39:05,205 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:39:05,206 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:39:05,207 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:39:05,209 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:39:05,211 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:39:05,214 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:39:05,216 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:39:05,219 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:39:05,221 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:39:05,222 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:39:05,222 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:39:05,224 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:39:05,350 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:39:05,354 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:39:05,354 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-26 02:39:05,368 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:39:05,369 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:39:05,371 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:39:05,372 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:39:05,374 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:39:05,375 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:39:05,376 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:39:05,378 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:39:05,379 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:39:05,380 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:39:05,381 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:39:05,382 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:39:05,383 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:39:05,384 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:39:05,386 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:39:05,387 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:39:05,390 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:39:05,391 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:39:05,392 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:39:05,394 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:39:05,395 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:39:05,396 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:39:05,398 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:39:05,399 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:39:05,400 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:39:05,401 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:39:05,402 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:39:05,403 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:39:05,404 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:39:05,405 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:39:05,406 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:39:05,409 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:39:05,410 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:39:05,411 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:39:05,412 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:39:05,413 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:39:05,414 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:39:05,415 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:39:05,416 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:39:05,417 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:39:05,418 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:39:05,420 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:39:05,421 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:39:05,424 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:39:05,424 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:39:05,425 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:39:05,426 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:39:05,426 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:39:05,427 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:39:05,428 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:39:05,428 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:39:05,448 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:39:05,449 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:39:05,451 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:39:05,468 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:39:05,469 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1700771841] [2019-11-26 02:39:05,506 INFO L159 IcfgInterpreter]: Started Sifa with 8 locations of interest [2019-11-26 02:39:05,512 INFO L166 IcfgInterpreter]: Building call graph [2019-11-26 02:39:05,517 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-26 02:39:05,524 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-26 02:39:05,524 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-11-26 02:39:13,315 WARN L192 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 476 [2019-11-26 02:39:15,001 WARN L192 SmtUtils]: Spent 474.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-11-26 02:39:15,140 WARN L192 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 484 [2019-11-26 02:39:16,145 WARN L192 SmtUtils]: Spent 766.00 ms on a formula simplification. DAG size of input: 709 DAG size of output: 680 [2019-11-26 02:39:19,652 WARN L192 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 342 [2019-11-26 02:39:20,913 WARN L192 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 636 [2019-11-26 02:39:21,025 WARN L192 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 636 [2019-11-26 02:39:21,261 WARN L192 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 644 DAG size of output: 644 [2019-11-26 02:39:21,385 WARN L192 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 636 [2019-11-26 02:39:21,716 WARN L192 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 644 DAG size of output: 644 [2019-11-26 02:39:21,719 INFO L180 IcfgInterpreter]: Interpretation finished [2019-11-26 02:39:23,376 WARN L192 SmtUtils]: Spent 1.62 s on a formula simplification. DAG size of input: 244 DAG size of output: 189 [2019-11-26 02:39:27,502 WARN L192 SmtUtils]: Spent 4.04 s on a formula simplification. DAG size of input: 484 DAG size of output: 429 [2019-11-26 02:39:33,291 WARN L192 SmtUtils]: Spent 5.65 s on a formula simplification. DAG size of input: 631 DAG size of output: 504 [2019-11-26 02:39:34,540 WARN L192 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 231 DAG size of output: 179 [2019-11-26 02:39:35,970 WARN L192 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 242 DAG size of output: 187 [2019-11-26 02:39:35,974 INFO L343 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2019-11-26 02:39:35,974 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2019-11-26 02:39:35,974 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 9 [2019-11-26 02:39:35,974 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [429855402] [2019-11-26 02:39:35,974 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-11-26 02:39:35,975 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-26 02:39:35,975 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-11-26 02:39:35,975 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=163, Unknown=0, NotChecked=0, Total=210 [2019-11-26 02:39:35,976 INFO L87 Difference]: Start difference. First operand 34 states and 42 transitions. Second operand 10 states. [2019-11-26 02:39:36,149 WARN L192 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 48 [2019-11-26 02:39:36,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 02:39:36,492 INFO L93 Difference]: Finished difference Result 97 states and 123 transitions. [2019-11-26 02:39:36,493 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-26 02:39:36,493 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 10 [2019-11-26 02:39:36,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 02:39:36,494 INFO L225 Difference]: With dead ends: 97 [2019-11-26 02:39:36,494 INFO L226 Difference]: Without dead ends: 69 [2019-11-26 02:39:36,495 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 19 SyntacticMatches, 2 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 14.8s TimeCoverageRelationStatistics Valid=82, Invalid=260, Unknown=0, NotChecked=0, Total=342 [2019-11-26 02:39:36,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2019-11-26 02:39:36,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 47. [2019-11-26 02:39:36,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2019-11-26 02:39:36,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 57 transitions. [2019-11-26 02:39:36,505 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 57 transitions. Word has length 10 [2019-11-26 02:39:36,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 02:39:36,506 INFO L462 AbstractCegarLoop]: Abstraction has 47 states and 57 transitions. [2019-11-26 02:39:36,506 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-11-26 02:39:36,506 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 57 transitions. [2019-11-26 02:39:36,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-11-26 02:39:36,507 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 02:39:36,507 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1] [2019-11-26 02:39:36,721 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-26 02:39:36,722 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-26 02:39:36,722 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:39:36,722 INFO L82 PathProgramCache]: Analyzing trace with hash -1113674841, now seen corresponding path program 2 times [2019-11-26 02:39:36,722 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-26 02:39:36,723 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1574583813] [2019-11-26 02:39:36,723 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-26 02:39:36,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-26 02:39:37,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-26 02:39:37,083 INFO L174 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2019-11-26 02:39:37,086 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-11-26 02:39:37,179 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 02:39:37 BoogieIcfgContainer [2019-11-26 02:39:37,180 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-26 02:39:37,180 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-26 02:39:37,180 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-26 02:39:37,180 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-26 02:39:37,181 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:39:03" (3/4) ... [2019-11-26 02:39:37,183 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-11-26 02:39:37,303 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_0361e0b6-3778-4800-bcd0-f0102e416143/bin/utaipan/witness.graphml [2019-11-26 02:39:37,303 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-26 02:39:37,304 INFO L168 Benchmark]: Toolchain (without parser) took 35724.50 ms. Allocated memory was 1.0 GB in the beginning and 1.8 GB in the end (delta: 725.6 MB). Free memory was 948.7 MB in the beginning and 1.4 GB in the end (delta: -416.3 MB). Peak memory consumption was 309.3 MB. Max. memory is 11.5 GB. [2019-11-26 02:39:37,305 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:39:37,305 INFO L168 Benchmark]: CACSL2BoogieTranslator took 506.77 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.5 MB). Free memory was 943.4 MB in the beginning and 1.1 GB in the end (delta: -179.9 MB). Peak memory consumption was 17.6 MB. Max. memory is 11.5 GB. [2019-11-26 02:39:37,305 INFO L168 Benchmark]: Boogie Procedure Inliner took 55.35 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-11-26 02:39:37,306 INFO L168 Benchmark]: Boogie Preprocessor took 36.78 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:39:37,306 INFO L168 Benchmark]: RCFGBuilder took 1485.18 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 976.4 MB in the end (delta: 141.4 MB). Peak memory consumption was 141.4 MB. Max. memory is 11.5 GB. [2019-11-26 02:39:37,307 INFO L168 Benchmark]: TraceAbstraction took 33513.35 ms. Allocated memory was 1.2 GB in the beginning and 1.8 GB in the end (delta: 585.1 MB). Free memory was 976.4 MB in the beginning and 1.4 GB in the end (delta: -409.7 MB). Peak memory consumption was 175.4 MB. Max. memory is 11.5 GB. [2019-11-26 02:39:37,307 INFO L168 Benchmark]: Witness Printer took 122.92 ms. Allocated memory is still 1.8 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 11.5 GB. [2019-11-26 02:39:37,309 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 506.77 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.5 MB). Free memory was 943.4 MB in the beginning and 1.1 GB in the end (delta: -179.9 MB). Peak memory consumption was 17.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 55.35 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 36.78 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 1485.18 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 976.4 MB in the end (delta: 141.4 MB). Peak memory consumption was 141.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 33513.35 ms. Allocated memory was 1.2 GB in the beginning and 1.8 GB in the end (delta: 585.1 MB). Free memory was 976.4 MB in the beginning and 1.4 GB in the end (delta: -409.7 MB). Peak memory consumption was 175.4 MB. Max. memory is 11.5 GB. * Witness Printer took 122.92 ms. Allocated memory is still 1.8 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 540]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L69] int cleanupTimeShifts = 4; [L282] int pumpRunning = 0; [L283] int systemActive = 1; [L442] int waterLevel = 1; [L443] int methaneLevelCritical = 0; [L714] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L150] int retValue_acc ; [L151] int tmp ; [L199] int retValue_acc ; [L202] retValue_acc = 1 [L203] return (retValue_acc); [L157] tmp = valid_product() [L159] COND TRUE \read(tmp) [L210] int splverifierCounter ; [L211] int tmp ; [L212] int tmp___0 ; [L213] int tmp___1 ; [L214] int tmp___2 ; [L217] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L219] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L221] COND TRUE splverifierCounter < 4 [L227] tmp = __VERIFIER_nondet_int() [L229] COND TRUE \read(tmp) [L460] COND TRUE waterLevel < 2 [L461] waterLevel = waterLevel + 1 [L237] tmp___0 = __VERIFIER_nondet_int() [L239] COND FALSE !(\read(tmp___0)) [L247] tmp___2 = __VERIFIER_nondet_int() [L249] COND TRUE \read(tmp___2) [L437] systemActive = 1 [L289] COND FALSE !(\read(pumpRunning)) [L296] COND TRUE \read(systemActive) [L318] int tmp ; [L321] COND TRUE ! pumpRunning [L415] int retValue_acc ; [L416] int tmp ; [L417] int tmp___0 ; [L522] int retValue_acc ; [L525] COND FALSE !(waterLevel < 2) [L529] retValue_acc = 0 [L530] return (retValue_acc); [L421] tmp = isHighWaterSensorDry() [L423] COND FALSE !(\read(tmp)) [L426] tmp___0 = 1 [L428] retValue_acc = tmp___0 [L429] return (retValue_acc); [L323] tmp = isHighWaterLevel() [L325] COND TRUE \read(tmp) [L346] pumpRunning = 1 [L44] int tmp ; [L45] int tmp___0 ; [L513] int retValue_acc ; [L516] retValue_acc = waterLevel [L517] return (retValue_acc); [L49] tmp = getWaterLevel() [L51] COND FALSE !(tmp == 0) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L219] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L221] COND TRUE splverifierCounter < 4 [L227] tmp = __VERIFIER_nondet_int() [L229] COND FALSE !(\read(tmp)) [L237] tmp___0 = __VERIFIER_nondet_int() [L239] COND TRUE \read(tmp___0) [L472] COND FALSE !(\read(methaneLevelCritical)) [L475] methaneLevelCritical = 1 [L247] tmp___2 = __VERIFIER_nondet_int() [L249] COND FALSE !(\read(tmp___2)) [L255] tmp___1 = __VERIFIER_nondet_int() [L257] COND FALSE !(\read(tmp___1)) [L289] COND TRUE \read(pumpRunning) [L448] COND TRUE waterLevel > 0 [L449] waterLevel = waterLevel - 1 [L296] COND TRUE \read(systemActive) [L318] int tmp ; [L321] COND FALSE !(! pumpRunning) [L44] int tmp ; [L45] int tmp___0 ; [L513] int retValue_acc ; [L516] retValue_acc = waterLevel [L517] return (retValue_acc); [L49] tmp = getWaterLevel() [L51] COND FALSE !(tmp == 0) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L219] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L221] COND TRUE splverifierCounter < 4 [L227] tmp = __VERIFIER_nondet_int() [L229] COND FALSE !(\read(tmp)) [L237] tmp___0 = __VERIFIER_nondet_int() [L239] COND FALSE !(\read(tmp___0)) [L247] tmp___2 = __VERIFIER_nondet_int() [L249] COND FALSE !(\read(tmp___2)) [L255] tmp___1 = __VERIFIER_nondet_int() [L257] COND TRUE \read(tmp___1) [L289] COND TRUE \read(pumpRunning) [L448] COND TRUE waterLevel > 0 [L449] waterLevel = waterLevel - 1 [L296] COND TRUE \read(systemActive) [L318] int tmp ; [L321] COND FALSE !(! pumpRunning) [L44] int tmp ; [L45] int tmp___0 ; [L513] int retValue_acc ; [L516] retValue_acc = waterLevel [L517] return (retValue_acc); [L49] tmp = getWaterLevel() [L51] COND TRUE tmp == 0 [L370] int retValue_acc ; [L373] retValue_acc = pumpRunning [L374] return (retValue_acc); [L53] tmp___0 = isPumpRunning() [L55] COND TRUE \read(tmp___0) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L540] __VERIFIER_error() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 23 locations, 3 error locations. Result: UNSAFE, OverallTime: 33.4s, OverallIterations: 4, TraceHistogramMax: 3, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 73 SDtfs, 133 SDslu, 170 SDs, 0 SdLazy, 178 SolverSat, 57 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 46 GetRequests, 22 SyntacticMatches, 2 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 14.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=47occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 39 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 47 NumberOfCodeBlocks, 47 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 39 ConstructedInterpolants, 0 QuantifiedInterpolants, 3348 SizeOfPredicates, 45 NumberOfNonLiveVariables, 337 ConjunctsInSsa, 27 ConjunctsInUnsatCore, 5 InterpolantComputations, 2 PerfectInterpolantSequences, 0/9 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 incorrect! Received shutdown request...