./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product35.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_48c92b6f-2dae-437c-9f73-85dd660a16bf/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_48c92b6f-2dae-437c-9f73-85dd660a16bf/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_48c92b6f-2dae-437c-9f73-85dd660a16bf/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_48c92b6f-2dae-437c-9f73-85dd660a16bf/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product35.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_48c92b6f-2dae-437c-9f73-85dd660a16bf/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_48c92b6f-2dae-437c-9f73-85dd660a16bf/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 cad5f4eca7a20f7ca6dddfa07fda554bac28f7be ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 02:44:38,245 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 02:44:38,247 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 02:44:38,256 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 02:44:38,257 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 02:44:38,258 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 02:44:38,259 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 02:44:38,260 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 02:44:38,262 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 02:44:38,263 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 02:44:38,264 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 02:44:38,265 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 02:44:38,265 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 02:44:38,266 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 02:44:38,266 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 02:44:38,267 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 02:44:38,268 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 02:44:38,269 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 02:44:38,270 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 02:44:38,272 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 02:44:38,273 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 02:44:38,274 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 02:44:38,275 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 02:44:38,276 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 02:44:38,281 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 02:44:38,281 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 02:44:38,281 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 02:44:38,282 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 02:44:38,282 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 02:44:38,283 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 02:44:38,283 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 02:44:38,284 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 02:44:38,284 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 02:44:38,285 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 02:44:38,286 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 02:44:38,286 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 02:44:38,287 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 02:44:38,289 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 02:44:38,289 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 02:44:38,292 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 02:44:38,293 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 02:44:38,294 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_48c92b6f-2dae-437c-9f73-85dd660a16bf/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-11-26 02:44:38,314 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 02:44:38,314 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 02:44:38,315 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-26 02:44:38,315 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-26 02:44:38,315 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-26 02:44:38,315 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-26 02:44:38,315 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-26 02:44:38,316 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-26 02:44:38,316 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-26 02:44:38,316 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-26 02:44:38,317 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-26 02:44:38,317 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-26 02:44:38,318 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-26 02:44:38,318 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-26 02:44:38,318 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-26 02:44:38,319 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 02:44:38,319 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 02:44:38,319 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 02:44:38,319 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 02:44:38,319 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 02:44:38,320 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 02:44:38,320 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 02:44:38,320 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 02:44:38,320 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 02:44:38,320 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 02:44:38,321 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 02:44:38,321 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 02:44:38,321 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 02:44:38,321 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 02:44:38,321 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 02:44:38,322 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 02:44:38,322 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 02:44:38,322 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 02:44:38,322 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-26 02:44:38,322 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 02:44:38,323 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 02:44:38,323 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 02:44:38,323 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_48c92b6f-2dae-437c-9f73-85dd660a16bf/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 -> cad5f4eca7a20f7ca6dddfa07fda554bac28f7be [2019-11-26 02:44:38,473 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 02:44:38,483 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 02:44:38,486 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 02:44:38,487 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 02:44:38,487 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 02:44:38,488 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_48c92b6f-2dae-437c-9f73-85dd660a16bf/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec4_product35.cil.c [2019-11-26 02:44:38,535 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_48c92b6f-2dae-437c-9f73-85dd660a16bf/bin/utaipan/data/bb28d7ef3/98f7cf73b7124b93b6ceb9271df2c814/FLAG67ab4a838 [2019-11-26 02:44:39,027 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 02:44:39,029 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_48c92b6f-2dae-437c-9f73-85dd660a16bf/sv-benchmarks/c/product-lines/minepump_spec4_product35.cil.c [2019-11-26 02:44:39,041 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_48c92b6f-2dae-437c-9f73-85dd660a16bf/bin/utaipan/data/bb28d7ef3/98f7cf73b7124b93b6ceb9271df2c814/FLAG67ab4a838 [2019-11-26 02:44:39,344 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_48c92b6f-2dae-437c-9f73-85dd660a16bf/bin/utaipan/data/bb28d7ef3/98f7cf73b7124b93b6ceb9271df2c814 [2019-11-26 02:44:39,346 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 02:44:39,348 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-26 02:44:39,350 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 02:44:39,350 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 02:44:39,353 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 02:44:39,354 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:44:39" (1/1) ... [2019-11-26 02:44:39,357 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e592e5e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:44:39, skipping insertion in model container [2019-11-26 02:44:39,357 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:44:39" (1/1) ... [2019-11-26 02:44:39,364 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 02:44:39,405 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-26 02:44:39,731 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:44:39,743 INFO L201 MainTranslator]: Completed pre-run [2019-11-26 02:44:39,850 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:44:39,877 INFO L205 MainTranslator]: Completed translation [2019-11-26 02:44:39,877 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:44:39 WrapperNode [2019-11-26 02:44:39,877 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 02:44:39,878 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 02:44:39,878 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 02:44:39,878 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 02:44:39,885 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:44:39" (1/1) ... [2019-11-26 02:44:39,913 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:44:39" (1/1) ... [2019-11-26 02:44:39,948 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 02:44:39,948 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 02:44:39,948 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 02:44:39,948 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 02:44:39,957 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:44:39" (1/1) ... [2019-11-26 02:44:39,958 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:44:39" (1/1) ... [2019-11-26 02:44:39,961 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:44:39" (1/1) ... [2019-11-26 02:44:39,962 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:44:39" (1/1) ... [2019-11-26 02:44:39,988 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:44:39" (1/1) ... [2019-11-26 02:44:39,994 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:44:39" (1/1) ... [2019-11-26 02:44:39,996 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:44:39" (1/1) ... [2019-11-26 02:44:40,000 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 02:44:40,000 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-26 02:44:40,001 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-26 02:44:40,001 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-26 02:44:40,002 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:44:39" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_48c92b6f-2dae-437c-9f73-85dd660a16bf/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 02:44:40,070 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-26 02:44:40,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-26 02:44:40,073 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-26 02:44:40,073 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-26 02:44:41,451 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-26 02:44:41,451 INFO L284 CfgBuilder]: Removed 100 assume(true) statements. [2019-11-26 02:44:41,452 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:44:41 BoogieIcfgContainer [2019-11-26 02:44:41,453 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-26 02:44:41,453 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-26 02:44:41,454 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-26 02:44:41,456 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-26 02:44:41,456 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 02:44:39" (1/3) ... [2019-11-26 02:44:41,457 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2cf15604 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 02:44:41, skipping insertion in model container [2019-11-26 02:44:41,457 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:44:39" (2/3) ... [2019-11-26 02:44:41,458 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2cf15604 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 02:44:41, skipping insertion in model container [2019-11-26 02:44:41,458 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:44:41" (3/3) ... [2019-11-26 02:44:41,459 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product35.cil.c [2019-11-26 02:44:41,471 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-26 02:44:41,477 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-11-26 02:44:41,487 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-11-26 02:44:41,508 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-26 02:44:41,508 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-26 02:44:41,508 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-26 02:44:41,508 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-26 02:44:41,509 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-26 02:44:41,509 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-26 02:44:41,509 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-26 02:44:41,509 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-26 02:44:41,523 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states. [2019-11-26 02:44:41,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-11-26 02:44:41,528 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 02:44:41,528 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-26 02:44:41,529 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-26 02:44:41,534 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:44:41,534 INFO L82 PathProgramCache]: Analyzing trace with hash -1619459341, now seen corresponding path program 1 times [2019-11-26 02:44:41,543 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-26 02:44:41,543 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [87158457] [2019-11-26 02:44:41,544 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-26 02:44:41,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:44:41,860 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 02:44:41,861 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [87158457] [2019-11-26 02:44:41,861 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-26 02:44:41,862 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-26 02:44:41,862 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [243123812] [2019-11-26 02:44:41,869 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-26 02:44:41,870 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-26 02:44:41,882 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-26 02:44:41,883 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-26 02:44:41,885 INFO L87 Difference]: Start difference. First operand 23 states. Second operand 4 states. [2019-11-26 02:44:41,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 02:44:41,996 INFO L93 Difference]: Finished difference Result 61 states and 87 transitions. [2019-11-26 02:44:41,996 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-26 02:44:41,997 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 7 [2019-11-26 02:44:41,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 02:44:42,006 INFO L225 Difference]: With dead ends: 61 [2019-11-26 02:44:42,007 INFO L226 Difference]: Without dead ends: 27 [2019-11-26 02:44:42,013 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-11-26 02:44:42,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2019-11-26 02:44:42,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 24. [2019-11-26 02:44:42,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2019-11-26 02:44:42,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 28 transitions. [2019-11-26 02:44:42,059 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 28 transitions. Word has length 7 [2019-11-26 02:44:42,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 02:44:42,060 INFO L462 AbstractCegarLoop]: Abstraction has 24 states and 28 transitions. [2019-11-26 02:44:42,060 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-26 02:44:42,060 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 28 transitions. [2019-11-26 02:44:42,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-26 02:44:42,061 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 02:44:42,061 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1] [2019-11-26 02:44:42,062 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-26 02:44:42,062 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:44:42,062 INFO L82 PathProgramCache]: Analyzing trace with hash -1248051968, now seen corresponding path program 1 times [2019-11-26 02:44:42,062 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-26 02:44:42,063 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1866573045] [2019-11-26 02:44:42,063 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-26 02:44:42,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:44:42,303 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 02:44:42,304 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1866573045] [2019-11-26 02:44:42,304 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [529034886] [2019-11-26 02:44:42,304 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_48c92b6f-2dae-437c-9f73-85dd660a16bf/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 02:44:42,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:44:42,471 INFO L255 TraceCheckSpWp]: Trace formula consists of 337 conjuncts, 43 conjunts are in the unsatisfiable core [2019-11-26 02:44:42,480 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-26 02:44:42,541 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:44:42,547 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:44:42,554 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:44:42,557 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:44:42,565 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:44:42,568 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:44:42,571 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:44:43,198 WARN L192 SmtUtils]: Spent 602.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 53 [2019-11-26 02:44:43,463 WARN L192 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 50 [2019-11-26 02:44:43,473 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:44:43,477 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:44:43,480 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:44:43,481 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:44:43,485 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:44:43,492 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:44:43,493 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:44:43,501 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:44:43,508 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:44:43,513 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:44:43,513 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:44:43,516 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:44:43,529 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:44:43,532 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:44:43,533 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:44:43,538 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:44:43,539 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:44:43,544 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:44:43,548 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:44:43,556 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:44:43,557 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:44:43,560 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:44:43,564 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:44:43,574 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:44:43,576 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:44:43,578 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:44:43,580 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:44:43,584 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:44:43,587 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:44:43,589 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:44:43,591 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:44:43,594 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:44:43,595 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:44:43,597 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:44:43,600 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:44:43,601 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:44:43,608 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:44:43,618 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:44:43,623 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:44:43,630 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:44:43,631 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:44:43,631 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:44:43,636 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:44:43,637 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:44:43,638 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:44:43,640 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:44:43,646 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:44:43,649 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:44:43,651 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:44:43,653 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:44:43,654 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:44:43,659 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:44:43,661 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:44:43,663 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:44:43,665 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:44:43,668 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:44:43,670 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:44:43,673 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:44:43,675 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:44:43,678 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:44:43,679 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:44:43,680 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:44:43,690 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:44:43,692 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:44:43,694 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:44:43,697 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:44:43,842 WARN L192 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 13 [2019-11-26 02:44:43,844 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 02:44:43,845 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-26 02:44:43,866 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:44:43,876 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:44:43,877 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:44:43,879 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:44:43,879 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:44:43,881 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:44:43,882 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:44:43,883 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:44:43,884 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:44:43,884 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:44:43,886 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:44:43,887 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:44:43,894 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:44:43,895 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:44:43,896 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:44:43,897 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:44:43,898 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:44:43,901 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:44:43,902 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:44:43,903 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:44:43,903 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:44:43,904 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:44:43,905 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:44:43,906 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:44:43,907 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:44:43,908 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:44:43,910 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:44:43,911 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:44:43,912 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:44:44,055 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:44:44,059 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:44:44,060 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:44:44,064 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:44:44,067 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:44:44,068 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:44:44,072 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:44:44,077 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:44:44,080 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:44:44,083 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:44:44,084 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:44:44,087 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:44:44,089 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:44:44,093 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:44:44,094 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:44:44,096 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:44:44,097 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:44:44,098 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:44:44,099 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:44:44,100 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:44:44,101 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:44:44,102 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:44:44,103 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:44:44,104 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:44:44,104 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:44:44,106 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:44:44,108 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:44:44,109 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:44:44,110 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:44:44,111 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:44:44,114 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:44:44,116 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:44:44,116 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:44:44,118 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:44:44,118 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:44:44,119 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:44:44,120 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:44:44,120 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:44:44,122 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:44:44,122 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:44:44,123 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:44:44,124 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:44:44,125 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:44:44,125 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:44:44,127 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:44:44,128 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:44:44,131 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:44:44,133 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:44:44,134 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:44:44,135 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:44:44,137 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:44:44,143 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:44:44,145 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:44:44,146 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:44:44,151 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:44:44,153 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:44:44,155 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:44:44,155 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:44:44,156 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:44:44,159 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:44:44,159 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:44:44,160 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:44:44,334 WARN L192 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 21 [2019-11-26 02:44:44,382 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 02:44:44,382 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [905515098] [2019-11-26 02:44:44,425 INFO L159 IcfgInterpreter]: Started Sifa with 8 locations of interest [2019-11-26 02:44:44,425 INFO L166 IcfgInterpreter]: Building call graph [2019-11-26 02:44:44,430 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-26 02:44:44,438 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-26 02:44:44,438 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-11-26 02:44:51,598 WARN L192 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 476 [2019-11-26 02:44:53,239 WARN L192 SmtUtils]: Spent 462.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-11-26 02:44:53,375 WARN L192 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 484 [2019-11-26 02:44:53,953 WARN L192 SmtUtils]: Spent 462.00 ms on a formula simplification. DAG size of input: 607 DAG size of output: 584 [2019-11-26 02:44:54,985 WARN L192 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 729 DAG size of output: 725 [2019-11-26 02:44:56,481 INFO L180 IcfgInterpreter]: Interpretation finished [2019-11-26 02:44:57,837 WARN L192 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 339 DAG size of output: 188 [2019-11-26 02:45:01,743 WARN L192 SmtUtils]: Spent 3.75 s on a formula simplification. DAG size of input: 484 DAG size of output: 429 [2019-11-26 02:45:02,654 WARN L192 SmtUtils]: Spent 862.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 148 [2019-11-26 02:45:03,506 WARN L192 SmtUtils]: Spent 803.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 146 [2019-11-26 02:45:04,907 WARN L192 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 327 DAG size of output: 224 [2019-11-26 02:45:04,972 INFO L343 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2019-11-26 02:45:04,972 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2019-11-26 02:45:04,973 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6, 7] total 15 [2019-11-26 02:45:04,973 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [42804251] [2019-11-26 02:45:04,974 INFO L442 AbstractCegarLoop]: Interpolant automaton has 16 states [2019-11-26 02:45:04,974 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-26 02:45:04,974 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2019-11-26 02:45:04,975 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=96, Invalid=324, Unknown=0, NotChecked=0, Total=420 [2019-11-26 02:45:04,975 INFO L87 Difference]: Start difference. First operand 24 states and 28 transitions. Second operand 16 states. [2019-11-26 02:45:05,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 02:45:05,183 INFO L93 Difference]: Finished difference Result 61 states and 74 transitions. [2019-11-26 02:45:05,184 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-26 02:45:05,184 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 10 [2019-11-26 02:45:05,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 02:45:05,185 INFO L225 Difference]: With dead ends: 61 [2019-11-26 02:45:05,185 INFO L226 Difference]: Without dead ends: 42 [2019-11-26 02:45:05,186 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 13 SyntacticMatches, 1 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 194 ImplicationChecksByTransitivity, 9.9s TimeCoverageRelationStatistics Valid=100, Invalid=362, Unknown=0, NotChecked=0, Total=462 [2019-11-26 02:45:05,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2019-11-26 02:45:05,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 29. [2019-11-26 02:45:05,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2019-11-26 02:45:05,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 34 transitions. [2019-11-26 02:45:05,193 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 34 transitions. Word has length 10 [2019-11-26 02:45:05,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 02:45:05,193 INFO L462 AbstractCegarLoop]: Abstraction has 29 states and 34 transitions. [2019-11-26 02:45:05,193 INFO L463 AbstractCegarLoop]: Interpolant automaton has 16 states. [2019-11-26 02:45:05,193 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 34 transitions. [2019-11-26 02:45:05,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-11-26 02:45:05,194 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 02:45:05,194 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1] [2019-11-26 02:45:05,399 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-26 02:45:05,399 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-26 02:45:05,400 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:45:05,400 INFO L82 PathProgramCache]: Analyzing trace with hash -486757421, now seen corresponding path program 2 times [2019-11-26 02:45:05,400 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-26 02:45:05,400 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1049199943] [2019-11-26 02:45:05,400 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-26 02:45:05,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-26 02:45:05,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-26 02:45:05,690 INFO L174 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2019-11-26 02:45:05,690 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-11-26 02:45:05,789 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 02:45:05 BoogieIcfgContainer [2019-11-26 02:45:05,789 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-26 02:45:05,790 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-26 02:45:05,790 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-26 02:45:05,790 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-26 02:45:05,790 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:44:41" (3/4) ... [2019-11-26 02:45:05,792 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-11-26 02:45:05,879 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_48c92b6f-2dae-437c-9f73-85dd660a16bf/bin/utaipan/witness.graphml [2019-11-26 02:45:05,880 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-26 02:45:05,881 INFO L168 Benchmark]: Toolchain (without parser) took 26533.39 ms. Allocated memory was 1.0 GB in the beginning and 1.6 GB in the end (delta: 536.9 MB). Free memory was 944.7 MB in the beginning and 1.3 GB in the end (delta: -381.0 MB). Peak memory consumption was 155.9 MB. Max. memory is 11.5 GB. [2019-11-26 02:45:05,881 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:45:05,881 INFO L168 Benchmark]: CACSL2BoogieTranslator took 527.59 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 152.6 MB). Free memory was 939.4 MB in the beginning and 1.1 GB in the end (delta: -194.4 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. [2019-11-26 02:45:05,882 INFO L168 Benchmark]: Boogie Procedure Inliner took 70.14 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 02:45:05,882 INFO L168 Benchmark]: Boogie Preprocessor took 52.07 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 02:45:05,882 INFO L168 Benchmark]: RCFGBuilder took 1452.23 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 987.0 MB in the end (delta: 141.5 MB). Peak memory consumption was 141.5 MB. Max. memory is 11.5 GB. [2019-11-26 02:45:05,883 INFO L168 Benchmark]: TraceAbstraction took 24335.84 ms. Allocated memory was 1.2 GB in the beginning and 1.6 GB in the end (delta: 384.3 MB). Free memory was 987.0 MB in the beginning and 1.3 GB in the end (delta: -355.0 MB). Peak memory consumption was 29.3 MB. Max. memory is 11.5 GB. [2019-11-26 02:45:05,883 INFO L168 Benchmark]: Witness Printer took 90.22 ms. Allocated memory is still 1.6 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 16.2 MB). Peak memory consumption was 16.2 MB. Max. memory is 11.5 GB. [2019-11-26 02:45:05,885 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 527.59 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 152.6 MB). Free memory was 939.4 MB in the beginning and 1.1 GB in the end (delta: -194.4 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 70.14 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 52.07 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 1452.23 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 987.0 MB in the end (delta: 141.5 MB). Peak memory consumption was 141.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 24335.84 ms. Allocated memory was 1.2 GB in the beginning and 1.6 GB in the end (delta: 384.3 MB). Free memory was 987.0 MB in the beginning and 1.3 GB in the end (delta: -355.0 MB). Peak memory consumption was 29.3 MB. Max. memory is 11.5 GB. * Witness Printer took 90.22 ms. Allocated memory is still 1.6 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 16.2 MB). Peak memory consumption was 16.2 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 784]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L148] int pumpRunning = 0; [L149] int systemActive = 1; [L315] int cleanupTimeShifts = 4; [L824] int waterLevel = 1; [L825] int methaneLevelCritical = 0; [L583] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L391] int retValue_acc ; [L392] int tmp ; [L815] int retValue_acc ; [L818] retValue_acc = 1 [L819] return (retValue_acc); [L398] tmp = valid_product() [L400] COND TRUE \read(tmp) [L46] int splverifierCounter ; [L47] int tmp ; [L48] int tmp___0 ; [L49] int tmp___1 ; [L50] int tmp___2 ; [L53] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L55] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L57] COND TRUE splverifierCounter < 4 [L63] tmp = __VERIFIER_nondet_int() [L65] COND TRUE \read(tmp) [L842] COND TRUE waterLevel < 2 [L843] waterLevel = waterLevel + 1 [L73] tmp___0 = __VERIFIER_nondet_int() [L75] COND TRUE \read(tmp___0) [L854] COND FALSE !(\read(methaneLevelCritical)) [L857] methaneLevelCritical = 1 [L83] tmp___2 = __VERIFIER_nondet_int() [L85] COND FALSE !(\read(tmp___2)) [L89] tmp___1 = __VERIFIER_nondet_int() [L91] COND FALSE !(\read(tmp___1)) [L155] COND FALSE !(\read(pumpRunning)) [L162] COND TRUE \read(systemActive) [L184] int tmp ; [L187] COND TRUE ! pumpRunning [L281] int retValue_acc ; [L282] int tmp ; [L283] int tmp___0 ; [L904] int retValue_acc ; [L907] COND FALSE !(waterLevel < 2) [L911] retValue_acc = 0 [L912] return (retValue_acc); [L287] tmp = isHighWaterSensorDry() [L289] COND FALSE !(\read(tmp)) [L292] tmp___0 = 1 [L294] retValue_acc = tmp___0 [L295] return (retValue_acc); [L189] tmp = isHighWaterLevel() [L191] COND TRUE \read(tmp) [L212] pumpRunning = 1 [L116] int tmp ; [L117] int tmp___0 ; [L895] int retValue_acc ; [L898] retValue_acc = waterLevel [L899] return (retValue_acc); [L121] tmp = getWaterLevel() [L123] COND FALSE !(tmp == 0) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L55] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L57] COND TRUE splverifierCounter < 4 [L63] tmp = __VERIFIER_nondet_int() [L65] COND FALSE !(\read(tmp)) [L73] tmp___0 = __VERIFIER_nondet_int() [L75] COND TRUE \read(tmp___0) [L854] COND TRUE \read(methaneLevelCritical) [L855] methaneLevelCritical = 0 [L83] tmp___2 = __VERIFIER_nondet_int() [L85] COND FALSE !(\read(tmp___2)) [L89] tmp___1 = __VERIFIER_nondet_int() [L91] COND FALSE !(\read(tmp___1)) [L155] COND TRUE \read(pumpRunning) [L830] COND TRUE waterLevel > 0 [L831] waterLevel = waterLevel - 1 [L162] COND TRUE \read(systemActive) [L184] int tmp ; [L187] COND FALSE !(! pumpRunning) [L116] int tmp ; [L117] int tmp___0 ; [L895] int retValue_acc ; [L898] retValue_acc = waterLevel [L899] return (retValue_acc); [L121] tmp = getWaterLevel() [L123] COND FALSE !(tmp == 0) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L55] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L57] COND TRUE splverifierCounter < 4 [L63] tmp = __VERIFIER_nondet_int() [L65] COND FALSE !(\read(tmp)) [L73] tmp___0 = __VERIFIER_nondet_int() [L75] COND FALSE !(\read(tmp___0)) [L83] tmp___2 = __VERIFIER_nondet_int() [L85] COND FALSE !(\read(tmp___2)) [L89] tmp___1 = __VERIFIER_nondet_int() [L91] COND FALSE !(\read(tmp___1)) [L155] COND TRUE \read(pumpRunning) [L830] COND TRUE waterLevel > 0 [L831] waterLevel = waterLevel - 1 [L162] COND TRUE \read(systemActive) [L184] int tmp ; [L187] COND FALSE !(! pumpRunning) [L116] int tmp ; [L117] int tmp___0 ; [L895] int retValue_acc ; [L898] retValue_acc = waterLevel [L899] return (retValue_acc); [L121] tmp = getWaterLevel() [L123] COND TRUE tmp == 0 [L236] int retValue_acc ; [L239] retValue_acc = pumpRunning [L240] return (retValue_acc); [L125] tmp___0 = isPumpRunning() [L127] COND TRUE \read(tmp___0) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L784] __VERIFIER_error() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 23 locations, 3 error locations. Result: UNSAFE, OverallTime: 24.2s, OverallIterations: 3, TraceHistogramMax: 3, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 52 SDtfs, 67 SDslu, 194 SDs, 0 SdLazy, 136 SolverSat, 24 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 38 GetRequests, 14 SyntacticMatches, 1 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 194 ImplicationChecksByTransitivity, 10.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=29occurred in iteration=2, 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, 2 MinimizatonAttempts, 16 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 2.1s InterpolantComputationTime, 40 NumberOfCodeBlocks, 40 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 33 ConstructedInterpolants, 0 QuantifiedInterpolants, 7095 SizeOfPredicates, 45 NumberOfNonLiveVariables, 337 ConjunctsInSsa, 43 ConjunctsInUnsatCore, 4 InterpolantComputations, 1 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...