./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product51.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_63898022-052a-4e74-9743-d3ccbceb14d1/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_63898022-052a-4e74-9743-d3ccbceb14d1/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_63898022-052a-4e74-9743-d3ccbceb14d1/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_63898022-052a-4e74-9743-d3ccbceb14d1/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product51.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_63898022-052a-4e74-9743-d3ccbceb14d1/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_63898022-052a-4e74-9743-d3ccbceb14d1/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 0d6f6f11832d8f580d186172cf5d58d3f276ea91 .................................................................................................................................................................................................................................................................................................... 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 02:09:35,176 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 02:09:35,178 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 02:09:35,193 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 02:09:35,193 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 02:09:35,195 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 02:09:35,196 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 02:09:35,205 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 02:09:35,210 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 02:09:35,214 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 02:09:35,215 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 02:09:35,216 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 02:09:35,216 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 02:09:35,218 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 02:09:35,219 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 02:09:35,220 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 02:09:35,221 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 02:09:35,221 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 02:09:35,224 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 02:09:35,227 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 02:09:35,230 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 02:09:35,237 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 02:09:35,238 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 02:09:35,239 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 02:09:35,241 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 02:09:35,241 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 02:09:35,241 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 02:09:35,242 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 02:09:35,242 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 02:09:35,243 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 02:09:35,243 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 02:09:35,243 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 02:09:35,244 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 02:09:35,244 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 02:09:35,245 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 02:09:35,245 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 02:09:35,246 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 02:09:35,246 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 02:09:35,246 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 02:09:35,247 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 02:09:35,247 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 02:09:35,248 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_63898022-052a-4e74-9743-d3ccbceb14d1/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-11-26 02:09:35,260 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 02:09:35,260 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 02:09:35,261 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-26 02:09:35,261 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-26 02:09:35,261 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-26 02:09:35,261 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-26 02:09:35,261 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-26 02:09:35,262 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-26 02:09:35,262 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-26 02:09:35,262 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-26 02:09:35,262 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-26 02:09:35,262 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-26 02:09:35,262 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-26 02:09:35,263 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-26 02:09:35,263 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-26 02:09:35,263 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 02:09:35,263 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 02:09:35,264 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 02:09:35,264 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 02:09:35,264 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 02:09:35,264 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 02:09:35,264 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 02:09:35,264 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 02:09:35,265 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 02:09:35,265 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 02:09:35,265 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 02:09:35,265 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 02:09:35,265 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 02:09:35,266 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 02:09:35,266 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 02:09:35,266 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 02:09:35,266 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 02:09:35,266 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 02:09:35,267 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-26 02:09:35,267 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 02:09:35,267 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 02:09:35,267 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 02:09:35,267 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_63898022-052a-4e74-9743-d3ccbceb14d1/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 -> 0d6f6f11832d8f580d186172cf5d58d3f276ea91 [2019-11-26 02:09:35,434 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 02:09:35,450 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 02:09:35,453 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 02:09:35,454 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 02:09:35,455 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 02:09:35,455 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_63898022-052a-4e74-9743-d3ccbceb14d1/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec1_product51.cil.c [2019-11-26 02:09:35,514 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_63898022-052a-4e74-9743-d3ccbceb14d1/bin/utaipan/data/8c9e54860/bb75c2452d87497889ae0b197b93c3af/FLAGb36c4b4a1 [2019-11-26 02:09:35,933 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 02:09:35,936 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_63898022-052a-4e74-9743-d3ccbceb14d1/sv-benchmarks/c/product-lines/minepump_spec1_product51.cil.c [2019-11-26 02:09:35,950 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_63898022-052a-4e74-9743-d3ccbceb14d1/bin/utaipan/data/8c9e54860/bb75c2452d87497889ae0b197b93c3af/FLAGb36c4b4a1 [2019-11-26 02:09:36,240 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_63898022-052a-4e74-9743-d3ccbceb14d1/bin/utaipan/data/8c9e54860/bb75c2452d87497889ae0b197b93c3af [2019-11-26 02:09:36,242 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 02:09:36,243 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-26 02:09:36,244 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 02:09:36,244 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 02:09:36,247 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 02:09:36,248 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:09:36" (1/1) ... [2019-11-26 02:09:36,253 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4eb6e729 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:09:36, skipping insertion in model container [2019-11-26 02:09:36,254 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:09:36" (1/1) ... [2019-11-26 02:09:36,261 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 02:09:36,318 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-26 02:09:36,669 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:09:36,681 INFO L201 MainTranslator]: Completed pre-run [2019-11-26 02:09:36,754 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:09:36,789 INFO L205 MainTranslator]: Completed translation [2019-11-26 02:09:36,790 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:09:36 WrapperNode [2019-11-26 02:09:36,790 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 02:09:36,791 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 02:09:36,791 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 02:09:36,791 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 02:09:36,798 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:09:36" (1/1) ... [2019-11-26 02:09:36,815 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:09:36" (1/1) ... [2019-11-26 02:09:36,852 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 02:09:36,853 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 02:09:36,853 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 02:09:36,853 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 02:09:36,862 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:09:36" (1/1) ... [2019-11-26 02:09:36,862 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:09:36" (1/1) ... [2019-11-26 02:09:36,872 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:09:36" (1/1) ... [2019-11-26 02:09:36,872 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:09:36" (1/1) ... [2019-11-26 02:09:36,889 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:09:36" (1/1) ... [2019-11-26 02:09:36,909 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:09:36" (1/1) ... [2019-11-26 02:09:36,913 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:09:36" (1/1) ... [2019-11-26 02:09:36,917 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 02:09:36,918 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-26 02:09:36,918 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-26 02:09:36,918 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-26 02:09:36,919 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:09:36" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_63898022-052a-4e74-9743-d3ccbceb14d1/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 02:09:36,983 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-26 02:09:36,983 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-26 02:09:36,983 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-26 02:09:36,983 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-26 02:09:39,049 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-26 02:09:39,049 INFO L284 CfgBuilder]: Removed 160 assume(true) statements. [2019-11-26 02:09:39,050 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:09:39 BoogieIcfgContainer [2019-11-26 02:09:39,051 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-26 02:09:39,052 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-26 02:09:39,052 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-26 02:09:39,055 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-26 02:09:39,055 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 02:09:36" (1/3) ... [2019-11-26 02:09:39,056 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25217f7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 02:09:39, skipping insertion in model container [2019-11-26 02:09:39,056 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:09:36" (2/3) ... [2019-11-26 02:09:39,057 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25217f7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 02:09:39, skipping insertion in model container [2019-11-26 02:09:39,057 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:09:39" (3/3) ... [2019-11-26 02:09:39,061 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product51.cil.c [2019-11-26 02:09:39,070 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-26 02:09:39,077 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-11-26 02:09:39,086 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-11-26 02:09:39,110 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-26 02:09:39,110 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-26 02:09:39,111 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-26 02:09:39,111 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-26 02:09:39,111 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-26 02:09:39,112 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-26 02:09:39,112 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-26 02:09:39,112 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-26 02:09:39,127 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states. [2019-11-26 02:09:39,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-11-26 02:09:39,134 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 02:09:39,135 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-26 02:09:39,135 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-26 02:09:39,141 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:09:39,141 INFO L82 PathProgramCache]: Analyzing trace with hash 1401233582, now seen corresponding path program 1 times [2019-11-26 02:09:39,151 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-26 02:09:39,151 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [811270756] [2019-11-26 02:09:39,152 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-26 02:09:39,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-26 02:09:39,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-26 02:09:39,771 INFO L174 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2019-11-26 02:09:39,772 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-11-26 02:09:39,851 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 02:09:39 BoogieIcfgContainer [2019-11-26 02:09:39,853 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-26 02:09:39,854 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-26 02:09:39,854 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-26 02:09:39,859 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-26 02:09:39,860 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:09:39" (3/4) ... [2019-11-26 02:09:39,862 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-11-26 02:09:39,956 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_63898022-052a-4e74-9743-d3ccbceb14d1/bin/utaipan/witness.graphml [2019-11-26 02:09:39,956 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-26 02:09:39,958 INFO L168 Benchmark]: Toolchain (without parser) took 3714.41 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.2 MB). Free memory was 946.1 MB in the beginning and 1.0 GB in the end (delta: -100.7 MB). Peak memory consumption was 43.4 MB. Max. memory is 11.5 GB. [2019-11-26 02:09:39,958 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 1.0 GB. Free memory is still 966.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:09:39,958 INFO L168 Benchmark]: CACSL2BoogieTranslator took 546.23 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.2 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -184.7 MB). Peak memory consumption was 22.3 MB. Max. memory is 11.5 GB. [2019-11-26 02:09:39,959 INFO L168 Benchmark]: Boogie Procedure Inliner took 62.10 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2019-11-26 02:09:39,959 INFO L168 Benchmark]: Boogie Preprocessor took 64.51 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: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 11.5 GB. [2019-11-26 02:09:39,959 INFO L168 Benchmark]: RCFGBuilder took 2133.09 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: -20.3 MB). Peak memory consumption was 244.6 MB. Max. memory is 11.5 GB. [2019-11-26 02:09:39,960 INFO L168 Benchmark]: TraceAbstraction took 801.35 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 84.6 MB). Peak memory consumption was 84.6 MB. Max. memory is 11.5 GB. [2019-11-26 02:09:39,960 INFO L168 Benchmark]: Witness Printer took 102.73 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 11.5 GB. [2019-11-26 02:09:39,962 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 1.0 GB. Free memory is still 966.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 546.23 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.2 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -184.7 MB). Peak memory consumption was 22.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 62.10 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 64.51 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: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 2133.09 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: -20.3 MB). Peak memory consumption was 244.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 801.35 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 84.6 MB). Peak memory consumption was 84.6 MB. Max. memory is 11.5 GB. * Witness Printer took 102.73 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 704]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L121] int pumpRunning = 0; [L122] int systemActive = 1; [L773] int cleanupTimeShifts = 4; [L870] int waterLevel = 1; [L871] int methaneLevelCritical = 0; [L503] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L846] int retValue_acc ; [L847] int tmp ; [L738] int retValue_acc ; [L741] retValue_acc = 1 [L742] return (retValue_acc); [L853] tmp = valid_product() [L855] 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) [L888] COND TRUE waterLevel < 2 [L889] waterLevel = waterLevel + 1 [L73] tmp___0 = __VERIFIER_nondet_int() [L75] COND TRUE \read(tmp___0) [L900] COND FALSE !(\read(methaneLevelCritical)) [L903] 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)) [L129] COND FALSE !(\read(pumpRunning)) [L136] COND TRUE \read(systemActive) [L184] int tmp ; [L187] COND FALSE !(\read(pumpRunning)) [L158] int tmp ; [L161] COND TRUE ! pumpRunning [L281] int retValue_acc ; [L282] int tmp ; [L283] int tmp___0 ; [L950] int retValue_acc ; [L953] COND FALSE !(waterLevel < 2) [L957] retValue_acc = 0 [L958] return (retValue_acc); [L287] tmp = isHighWaterSensorDry() [L289] COND FALSE !(\read(tmp)) [L292] tmp___0 = 1 [L294] retValue_acc = tmp___0 [L295] return (retValue_acc); [L163] tmp = isHighWaterLevel() [L165] COND TRUE \read(tmp) [L212] pumpRunning = 1 [L748] int tmp ; [L749] int tmp___0 ; [L909] int retValue_acc ; [L912] retValue_acc = methaneLevelCritical [L913] return (retValue_acc); [L753] tmp = isMethaneLevelCritical() [L755] COND TRUE \read(tmp) [L236] int retValue_acc ; [L239] retValue_acc = pumpRunning [L240] return (retValue_acc); [L757] tmp___0 = isPumpRunning() [L759] COND TRUE \read(tmp___0) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L704] __VERIFIER_error() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 23 locations, 3 error locations. Result: UNSAFE, OverallTime: 0.7s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=23occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 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...