./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product42.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_502e70f3-1602-44da-8d6c-48dd217a251e/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_502e70f3-1602-44da-8d6c-48dd217a251e/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_502e70f3-1602-44da-8d6c-48dd217a251e/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_502e70f3-1602-44da-8d6c-48dd217a251e/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product42.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_502e70f3-1602-44da-8d6c-48dd217a251e/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_502e70f3-1602-44da-8d6c-48dd217a251e/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 ea28f55a4b6a2303e55c14d7dbcddcf1e8db1491 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 02:53:38,160 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 02:53:38,161 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 02:53:38,171 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 02:53:38,172 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 02:53:38,173 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 02:53:38,174 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 02:53:38,176 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 02:53:38,177 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 02:53:38,178 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 02:53:38,179 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 02:53:38,180 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 02:53:38,180 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 02:53:38,181 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 02:53:38,182 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 02:53:38,183 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 02:53:38,185 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 02:53:38,188 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 02:53:38,190 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 02:53:38,193 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 02:53:38,196 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 02:53:38,200 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 02:53:38,203 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 02:53:38,203 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 02:53:38,205 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 02:53:38,206 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 02:53:38,207 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 02:53:38,208 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 02:53:38,209 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 02:53:38,210 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 02:53:38,211 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 02:53:38,211 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 02:53:38,212 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 02:53:38,213 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 02:53:38,214 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 02:53:38,214 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 02:53:38,215 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 02:53:38,215 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 02:53:38,215 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 02:53:38,217 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 02:53:38,218 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 02:53:38,219 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_502e70f3-1602-44da-8d6c-48dd217a251e/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-11-26 02:53:38,237 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 02:53:38,237 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 02:53:38,238 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-26 02:53:38,238 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-26 02:53:38,238 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-26 02:53:38,239 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-26 02:53:38,239 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-26 02:53:38,239 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-26 02:53:38,239 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-26 02:53:38,239 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-26 02:53:38,240 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-26 02:53:38,241 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-26 02:53:38,241 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-26 02:53:38,241 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-26 02:53:38,241 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-26 02:53:38,242 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 02:53:38,243 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 02:53:38,243 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 02:53:38,243 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 02:53:38,243 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 02:53:38,244 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 02:53:38,244 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 02:53:38,244 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 02:53:38,244 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 02:53:38,244 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 02:53:38,245 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 02:53:38,245 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 02:53:38,245 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 02:53:38,245 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 02:53:38,246 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 02:53:38,246 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 02:53:38,246 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 02:53:38,246 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 02:53:38,247 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-26 02:53:38,247 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 02:53:38,247 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 02:53:38,247 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 02:53:38,247 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_502e70f3-1602-44da-8d6c-48dd217a251e/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 -> ea28f55a4b6a2303e55c14d7dbcddcf1e8db1491 [2019-11-26 02:53:38,388 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 02:53:38,397 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 02:53:38,399 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 02:53:38,400 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 02:53:38,401 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 02:53:38,401 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_502e70f3-1602-44da-8d6c-48dd217a251e/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec2_product42.cil.c [2019-11-26 02:53:38,456 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_502e70f3-1602-44da-8d6c-48dd217a251e/bin/utaipan/data/0e8bb3f86/5ce5cd72ec7e4e5aaada9c0a7898e256/FLAG06f94d0ed [2019-11-26 02:53:38,926 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 02:53:38,926 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_502e70f3-1602-44da-8d6c-48dd217a251e/sv-benchmarks/c/product-lines/minepump_spec2_product42.cil.c [2019-11-26 02:53:38,945 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_502e70f3-1602-44da-8d6c-48dd217a251e/bin/utaipan/data/0e8bb3f86/5ce5cd72ec7e4e5aaada9c0a7898e256/FLAG06f94d0ed [2019-11-26 02:53:39,427 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_502e70f3-1602-44da-8d6c-48dd217a251e/bin/utaipan/data/0e8bb3f86/5ce5cd72ec7e4e5aaada9c0a7898e256 [2019-11-26 02:53:39,430 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 02:53:39,431 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-26 02:53:39,432 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 02:53:39,432 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 02:53:39,435 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 02:53:39,436 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:53:39" (1/1) ... [2019-11-26 02:53:39,438 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47f07a93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:53:39, skipping insertion in model container [2019-11-26 02:53:39,438 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:53:39" (1/1) ... [2019-11-26 02:53:39,443 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 02:53:39,500 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-26 02:53:39,834 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:53:39,845 INFO L201 MainTranslator]: Completed pre-run [2019-11-26 02:53:39,916 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:53:39,945 INFO L205 MainTranslator]: Completed translation [2019-11-26 02:53:39,946 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:53:39 WrapperNode [2019-11-26 02:53:39,946 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 02:53:39,947 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 02:53:39,947 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 02:53:39,947 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 02:53:39,954 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:53:39" (1/1) ... [2019-11-26 02:53:39,979 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:53:39" (1/1) ... [2019-11-26 02:53:40,016 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 02:53:40,017 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 02:53:40,017 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 02:53:40,017 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 02:53:40,026 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:53:39" (1/1) ... [2019-11-26 02:53:40,026 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:53:39" (1/1) ... [2019-11-26 02:53:40,030 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:53:39" (1/1) ... [2019-11-26 02:53:40,030 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:53:39" (1/1) ... [2019-11-26 02:53:40,040 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:53:39" (1/1) ... [2019-11-26 02:53:40,047 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:53:39" (1/1) ... [2019-11-26 02:53:40,050 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:53:39" (1/1) ... [2019-11-26 02:53:40,055 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 02:53:40,055 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-26 02:53:40,055 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-26 02:53:40,056 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-26 02:53:40,056 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:53:39" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_502e70f3-1602-44da-8d6c-48dd217a251e/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 02:53:40,116 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-26 02:53:40,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-26 02:53:40,116 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-26 02:53:40,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-26 02:53:41,715 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-26 02:53:41,715 INFO L284 CfgBuilder]: Removed 118 assume(true) statements. [2019-11-26 02:53:41,716 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:53:41 BoogieIcfgContainer [2019-11-26 02:53:41,716 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-26 02:53:41,718 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-26 02:53:41,718 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-26 02:53:41,721 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-26 02:53:41,721 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 02:53:39" (1/3) ... [2019-11-26 02:53:41,722 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76d1591 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 02:53:41, skipping insertion in model container [2019-11-26 02:53:41,724 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:53:39" (2/3) ... [2019-11-26 02:53:41,724 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76d1591 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 02:53:41, skipping insertion in model container [2019-11-26 02:53:41,725 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:53:41" (3/3) ... [2019-11-26 02:53:41,731 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product42.cil.c [2019-11-26 02:53:41,739 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-26 02:53:41,747 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-11-26 02:53:41,757 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-11-26 02:53:41,783 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-26 02:53:41,783 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-26 02:53:41,783 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-26 02:53:41,783 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-26 02:53:41,783 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-26 02:53:41,783 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-26 02:53:41,784 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-26 02:53:41,784 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-26 02:53:41,800 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states. [2019-11-26 02:53:41,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-11-26 02:53:41,809 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 02:53:41,810 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-11-26 02:53:41,810 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-26 02:53:41,815 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:53:41,816 INFO L82 PathProgramCache]: Analyzing trace with hash -189692731, now seen corresponding path program 1 times [2019-11-26 02:53:41,826 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-26 02:53:41,827 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1215570138] [2019-11-26 02:53:41,827 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-26 02:53:41,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:53:42,154 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 02:53:42,154 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1215570138] [2019-11-26 02:53:42,155 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-26 02:53:42,155 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-26 02:53:42,156 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [377326486] [2019-11-26 02:53:42,160 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-26 02:53:42,160 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-26 02:53:42,173 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-26 02:53:42,174 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-11-26 02:53:42,175 INFO L87 Difference]: Start difference. First operand 26 states. Second operand 5 states. [2019-11-26 02:53:42,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 02:53:42,345 INFO L93 Difference]: Finished difference Result 88 states and 129 transitions. [2019-11-26 02:53:42,346 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-26 02:53:42,347 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 8 [2019-11-26 02:53:42,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 02:53:42,356 INFO L225 Difference]: With dead ends: 88 [2019-11-26 02:53:42,357 INFO L226 Difference]: Without dead ends: 54 [2019-11-26 02:53:42,362 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2019-11-26 02:53:42,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2019-11-26 02:53:42,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 37. [2019-11-26 02:53:42,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2019-11-26 02:53:42,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 48 transitions. [2019-11-26 02:53:42,409 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 48 transitions. Word has length 8 [2019-11-26 02:53:42,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 02:53:42,410 INFO L462 AbstractCegarLoop]: Abstraction has 37 states and 48 transitions. [2019-11-26 02:53:42,410 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-26 02:53:42,411 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 48 transitions. [2019-11-26 02:53:42,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-26 02:53:42,413 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 02:53:42,413 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1] [2019-11-26 02:53:42,413 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-26 02:53:42,414 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:53:42,414 INFO L82 PathProgramCache]: Analyzing trace with hash -1853624298, now seen corresponding path program 1 times [2019-11-26 02:53:42,414 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-26 02:53:42,415 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [72439105] [2019-11-26 02:53:42,415 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-26 02:53:42,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:53:42,515 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:53:42,515 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [72439105] [2019-11-26 02:53:42,515 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-26 02:53:42,515 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-26 02:53:42,516 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [89508352] [2019-11-26 02:53:42,517 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-26 02:53:42,517 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-26 02:53:42,517 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-26 02:53:42,518 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-26 02:53:42,518 INFO L87 Difference]: Start difference. First operand 37 states and 48 transitions. Second operand 3 states. [2019-11-26 02:53:42,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 02:53:42,565 INFO L93 Difference]: Finished difference Result 59 states and 77 transitions. [2019-11-26 02:53:42,565 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-26 02:53:42,565 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 11 [2019-11-26 02:53:42,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 02:53:42,567 INFO L225 Difference]: With dead ends: 59 [2019-11-26 02:53:42,568 INFO L226 Difference]: Without dead ends: 53 [2019-11-26 02:53:42,568 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-26 02:53:42,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2019-11-26 02:53:42,576 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2019-11-26 02:53:42,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2019-11-26 02:53:42,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 71 transitions. [2019-11-26 02:53:42,577 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 71 transitions. Word has length 11 [2019-11-26 02:53:42,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 02:53:42,578 INFO L462 AbstractCegarLoop]: Abstraction has 53 states and 71 transitions. [2019-11-26 02:53:42,578 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-26 02:53:42,578 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 71 transitions. [2019-11-26 02:53:42,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-11-26 02:53:42,579 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 02:53:42,579 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1] [2019-11-26 02:53:42,580 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-26 02:53:42,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:53:42,580 INFO L82 PathProgramCache]: Analyzing trace with hash 441789014, now seen corresponding path program 1 times [2019-11-26 02:53:42,580 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-26 02:53:42,580 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1095817966] [2019-11-26 02:53:42,581 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-26 02:53:42,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-26 02:53:42,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-26 02:53:43,018 INFO L174 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2019-11-26 02:53:43,019 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-11-26 02:53:43,104 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 02:53:43 BoogieIcfgContainer [2019-11-26 02:53:43,105 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-26 02:53:43,105 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-26 02:53:43,105 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-26 02:53:43,106 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-26 02:53:43,106 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:53:41" (3/4) ... [2019-11-26 02:53:43,108 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-11-26 02:53:43,190 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_502e70f3-1602-44da-8d6c-48dd217a251e/bin/utaipan/witness.graphml [2019-11-26 02:53:43,190 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-26 02:53:43,192 INFO L168 Benchmark]: Toolchain (without parser) took 3760.61 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.1 MB). Free memory was 942.0 MB in the beginning and 1.1 GB in the end (delta: -121.7 MB). Peak memory consumption was 20.4 MB. Max. memory is 11.5 GB. [2019-11-26 02:53:43,192 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 1.0 GB. Free memory is still 960.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:53:43,193 INFO L168 Benchmark]: CACSL2BoogieTranslator took 515.06 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.1 MB). Free memory was 940.7 MB in the beginning and 1.1 GB in the end (delta: -185.4 MB). Peak memory consumption was 21.8 MB. Max. memory is 11.5 GB. [2019-11-26 02:53:43,193 INFO L168 Benchmark]: Boogie Procedure Inliner took 69.74 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 11.5 GB. [2019-11-26 02:53:43,193 INFO L168 Benchmark]: Boogie Preprocessor took 38.17 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 11.5 GB. [2019-11-26 02:53:43,194 INFO L168 Benchmark]: RCFGBuilder took 1661.18 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 943.7 MB in the end (delta: 175.8 MB). Peak memory consumption was 175.8 MB. Max. memory is 11.5 GB. [2019-11-26 02:53:43,194 INFO L168 Benchmark]: TraceAbstraction took 1387.11 ms. Allocated memory is still 1.2 GB. Free memory was 943.7 MB in the beginning and 1.1 GB in the end (delta: -131.2 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:53:43,195 INFO L168 Benchmark]: Witness Printer took 84.87 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: 11.1 MB). Peak memory consumption was 11.1 MB. Max. memory is 11.5 GB. [2019-11-26 02:53:43,197 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 1.0 GB. Free memory is still 960.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 515.06 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.1 MB). Free memory was 940.7 MB in the beginning and 1.1 GB in the end (delta: -185.4 MB). Peak memory consumption was 21.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 69.74 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 38.17 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1661.18 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 943.7 MB in the end (delta: 175.8 MB). Peak memory consumption was 175.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1387.11 ms. Allocated memory is still 1.2 GB. Free memory was 943.7 MB in the beginning and 1.1 GB in the end (delta: -131.2 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 84.87 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: 11.1 MB). Peak memory consumption was 11.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 844]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L486] int pumpRunning = 0; [L487] int systemActive = 1; [L666] int methAndRunningLastTime ; [L743] int cleanupTimeShifts = 4; [L850] int waterLevel = 1; [L851] int methaneLevelCritical = 0; [L209] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L817] int retValue_acc ; [L818] int tmp ; [L734] int retValue_acc ; [L737] retValue_acc = 1 [L738] return (retValue_acc); [L824] tmp = valid_product() [L826] COND TRUE \read(tmp) [L671] methAndRunningLastTime = 0 [L412] int splverifierCounter ; [L413] int tmp ; [L414] int tmp___0 ; [L415] int tmp___1 ; [L416] int tmp___2 ; [L419] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L421] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L423] COND TRUE splverifierCounter < 4 [L429] tmp = __VERIFIER_nondet_int() [L431] COND TRUE \read(tmp) [L868] COND TRUE waterLevel < 2 [L869] waterLevel = waterLevel + 1 [L439] tmp___0 = __VERIFIER_nondet_int() [L441] COND FALSE !(\read(tmp___0)) [L449] tmp___2 = __VERIFIER_nondet_int() [L451] COND FALSE !(\read(tmp___2)) [L457] tmp___1 = __VERIFIER_nondet_int() [L459] COND FALSE !(\read(tmp___1)) [L494] COND FALSE !(\read(pumpRunning)) [L501] COND TRUE \read(systemActive) [L523] int tmp ; [L526] COND TRUE ! pumpRunning [L638] int retValue_acc ; [L639] int tmp ; [L640] int tmp___0 ; [L930] int retValue_acc ; [L933] COND FALSE !(waterLevel < 2) [L937] retValue_acc = 0 [L938] return (retValue_acc); [L644] tmp = isHighWaterSensorDry() [L646] COND FALSE !(\read(tmp)) [L649] tmp___0 = 1 [L651] retValue_acc = tmp___0 [L652] return (retValue_acc); [L528] tmp = isHighWaterLevel() [L530] COND TRUE \read(tmp) [L557] int tmp ; [L582] int retValue_acc ; [L889] int retValue_acc ; [L892] retValue_acc = methaneLevelCritical [L893] return (retValue_acc); [L586] retValue_acc = isMethaneLevelCritical() [L588] return (retValue_acc); [L561] tmp = isMethaneAlarm() [L563] COND FALSE !(\read(tmp)) [L551] pumpRunning = 1 [L676] int tmp ; [L677] int tmp___0 ; [L889] int retValue_acc ; [L892] retValue_acc = methaneLevelCritical [L893] return (retValue_acc); [L681] tmp = isMethaneLevelCritical() [L683] COND FALSE !(\read(tmp)) [L699] methAndRunningLastTime = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L421] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L423] COND TRUE splverifierCounter < 4 [L429] tmp = __VERIFIER_nondet_int() [L431] COND TRUE \read(tmp) [L868] COND FALSE !(waterLevel < 2) [L439] tmp___0 = __VERIFIER_nondet_int() [L441] COND TRUE \read(tmp___0) [L880] COND FALSE !(\read(methaneLevelCritical)) [L883] methaneLevelCritical = 1 [L449] tmp___2 = __VERIFIER_nondet_int() [L451] COND TRUE \read(tmp___2) [L660] systemActive = 1 [L494] COND TRUE \read(pumpRunning) [L856] COND TRUE waterLevel > 0 [L857] waterLevel = waterLevel - 1 [L501] COND TRUE \read(systemActive) [L523] int tmp ; [L526] COND FALSE !(! pumpRunning) [L676] int tmp ; [L677] int tmp___0 ; [L889] int retValue_acc ; [L892] retValue_acc = methaneLevelCritical [L893] return (retValue_acc); [L681] tmp = isMethaneLevelCritical() [L683] COND TRUE \read(tmp) [L593] int retValue_acc ; [L596] retValue_acc = pumpRunning [L597] return (retValue_acc); [L685] tmp___0 = isPumpRunning() [L687] COND TRUE \read(tmp___0) VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L688] COND FALSE !(\read(methAndRunningLastTime)) [L693] methAndRunningLastTime = 1 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L421] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L423] COND TRUE splverifierCounter < 4 [L429] tmp = __VERIFIER_nondet_int() [L431] COND TRUE \read(tmp) [L868] COND TRUE waterLevel < 2 [L869] waterLevel = waterLevel + 1 [L439] tmp___0 = __VERIFIER_nondet_int() [L441] COND FALSE !(\read(tmp___0)) [L449] tmp___2 = __VERIFIER_nondet_int() [L451] COND FALSE !(\read(tmp___2)) [L457] tmp___1 = __VERIFIER_nondet_int() [L459] COND FALSE !(\read(tmp___1)) [L494] COND TRUE \read(pumpRunning) [L856] COND TRUE waterLevel > 0 [L857] waterLevel = waterLevel - 1 [L501] COND TRUE \read(systemActive) [L523] int tmp ; [L526] COND FALSE !(! pumpRunning) [L676] int tmp ; [L677] int tmp___0 ; [L889] int retValue_acc ; [L892] retValue_acc = methaneLevelCritical [L893] return (retValue_acc); [L681] tmp = isMethaneLevelCritical() [L683] COND TRUE \read(tmp) [L593] int retValue_acc ; [L596] retValue_acc = pumpRunning [L597] return (retValue_acc); [L685] tmp___0 = isPumpRunning() [L687] COND TRUE \read(tmp___0) VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L688] COND TRUE \read(methAndRunningLastTime) VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L844] __VERIFIER_error() VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 26 locations, 3 error locations. Result: UNSAFE, OverallTime: 1.3s, OverallIterations: 3, TraceHistogramMax: 3, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 61 SDtfs, 55 SDslu, 67 SDs, 0 SdLazy, 56 SolverSat, 30 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=53occurred 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, 17 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 35 NumberOfCodeBlocks, 35 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 17 ConstructedInterpolants, 0 QuantifiedInterpolants, 347 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 3/3 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...