./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product53.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_c6780119-84e7-478b-bcd9-255e6075cc71/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_c6780119-84e7-478b-bcd9-255e6075cc71/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_c6780119-84e7-478b-bcd9-255e6075cc71/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_c6780119-84e7-478b-bcd9-255e6075cc71/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product53.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_c6780119-84e7-478b-bcd9-255e6075cc71/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_c6780119-84e7-478b-bcd9-255e6075cc71/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 c24c1e7ee4ec00cdeabebf427b1fca35e12bb483 .................................................................................................................................................................................................................................................................................................... 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 02:52:11,101 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 02:52:11,104 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 02:52:11,117 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 02:52:11,117 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 02:52:11,118 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 02:52:11,120 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 02:52:11,123 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 02:52:11,125 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 02:52:11,127 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 02:52:11,128 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 02:52:11,130 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 02:52:11,130 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 02:52:11,131 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 02:52:11,133 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 02:52:11,134 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 02:52:11,135 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 02:52:11,137 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 02:52:11,139 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 02:52:11,142 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 02:52:11,144 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 02:52:11,145 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 02:52:11,147 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 02:52:11,148 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 02:52:11,152 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 02:52:11,152 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 02:52:11,153 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 02:52:11,154 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 02:52:11,155 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 02:52:11,156 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 02:52:11,156 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 02:52:11,157 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 02:52:11,158 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 02:52:11,159 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 02:52:11,160 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 02:52:11,161 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 02:52:11,162 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 02:52:11,162 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 02:52:11,162 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 02:52:11,163 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 02:52:11,164 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 02:52:11,165 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_c6780119-84e7-478b-bcd9-255e6075cc71/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-11-26 02:52:11,182 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 02:52:11,182 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 02:52:11,183 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-26 02:52:11,183 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-26 02:52:11,183 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-26 02:52:11,184 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-26 02:52:11,184 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-26 02:52:11,184 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-26 02:52:11,185 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-26 02:52:11,185 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-26 02:52:11,185 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-26 02:52:11,185 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-26 02:52:11,186 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-26 02:52:11,186 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-26 02:52:11,186 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-26 02:52:11,187 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 02:52:11,187 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 02:52:11,188 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 02:52:11,188 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 02:52:11,188 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 02:52:11,188 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 02:52:11,189 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 02:52:11,189 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 02:52:11,189 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 02:52:11,189 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 02:52:11,189 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 02:52:11,190 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 02:52:11,190 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 02:52:11,190 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 02:52:11,190 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 02:52:11,191 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 02:52:11,191 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 02:52:11,191 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 02:52:11,191 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-26 02:52:11,191 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 02:52:11,192 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 02:52:11,192 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 02:52:11,192 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_c6780119-84e7-478b-bcd9-255e6075cc71/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 -> c24c1e7ee4ec00cdeabebf427b1fca35e12bb483 [2019-11-26 02:52:11,367 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 02:52:11,380 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 02:52:11,384 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 02:52:11,385 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 02:52:11,386 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 02:52:11,387 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_c6780119-84e7-478b-bcd9-255e6075cc71/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec1_product53.cil.c [2019-11-26 02:52:11,455 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_c6780119-84e7-478b-bcd9-255e6075cc71/bin/utaipan/data/c43839aff/b7292086ee1b440ab9ff06164fc665dc/FLAG4a0cac4ea [2019-11-26 02:52:11,983 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 02:52:11,990 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_c6780119-84e7-478b-bcd9-255e6075cc71/sv-benchmarks/c/product-lines/minepump_spec1_product53.cil.c [2019-11-26 02:52:12,003 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_c6780119-84e7-478b-bcd9-255e6075cc71/bin/utaipan/data/c43839aff/b7292086ee1b440ab9ff06164fc665dc/FLAG4a0cac4ea [2019-11-26 02:52:12,313 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_c6780119-84e7-478b-bcd9-255e6075cc71/bin/utaipan/data/c43839aff/b7292086ee1b440ab9ff06164fc665dc [2019-11-26 02:52:12,316 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 02:52:12,317 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-26 02:52:12,317 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 02:52:12,318 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 02:52:12,321 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 02:52:12,322 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:52:12" (1/1) ... [2019-11-26 02:52:12,324 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1632aecf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:52:12, skipping insertion in model container [2019-11-26 02:52:12,324 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:52:12" (1/1) ... [2019-11-26 02:52:12,330 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 02:52:12,378 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-26 02:52:12,727 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:52:12,738 INFO L201 MainTranslator]: Completed pre-run [2019-11-26 02:52:12,804 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:52:12,844 INFO L205 MainTranslator]: Completed translation [2019-11-26 02:52:12,845 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:52:12 WrapperNode [2019-11-26 02:52:12,845 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 02:52:12,848 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 02:52:12,848 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 02:52:12,848 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 02:52:12,856 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:52:12" (1/1) ... [2019-11-26 02:52:12,883 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:52:12" (1/1) ... [2019-11-26 02:52:12,951 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 02:52:12,951 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 02:52:12,951 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 02:52:12,951 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 02:52:12,961 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:52:12" (1/1) ... [2019-11-26 02:52:12,970 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:52:12" (1/1) ... [2019-11-26 02:52:12,979 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:52:12" (1/1) ... [2019-11-26 02:52:12,984 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:52:12" (1/1) ... [2019-11-26 02:52:13,020 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:52:12" (1/1) ... [2019-11-26 02:52:13,034 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:52:12" (1/1) ... [2019-11-26 02:52:13,053 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:52:12" (1/1) ... [2019-11-26 02:52:13,058 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 02:52:13,059 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-26 02:52:13,059 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-26 02:52:13,060 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-26 02:52:13,061 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:52:12" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c6780119-84e7-478b-bcd9-255e6075cc71/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 02:52:13,137 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-26 02:52:13,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-26 02:52:13,140 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-26 02:52:13,140 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-26 02:52:16,413 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-26 02:52:16,413 INFO L284 CfgBuilder]: Removed 276 assume(true) statements. [2019-11-26 02:52:16,414 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:52:16 BoogieIcfgContainer [2019-11-26 02:52:16,415 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-26 02:52:16,416 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-26 02:52:16,416 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-26 02:52:16,420 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-26 02:52:16,420 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 02:52:12" (1/3) ... [2019-11-26 02:52:16,421 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@358d338d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 02:52:16, skipping insertion in model container [2019-11-26 02:52:16,421 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:52:12" (2/3) ... [2019-11-26 02:52:16,422 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@358d338d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 02:52:16, skipping insertion in model container [2019-11-26 02:52:16,422 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:52:16" (3/3) ... [2019-11-26 02:52:16,426 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product53.cil.c [2019-11-26 02:52:16,434 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-26 02:52:16,443 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-11-26 02:52:16,452 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-11-26 02:52:16,475 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-26 02:52:16,476 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-26 02:52:16,476 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-26 02:52:16,476 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-26 02:52:16,476 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-26 02:52:16,476 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-26 02:52:16,477 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-26 02:52:16,477 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-26 02:52:16,491 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states. [2019-11-26 02:52:16,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-11-26 02:52:16,498 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 02:52:16,499 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-26 02:52:16,500 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-26 02:52:16,506 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:52:16,507 INFO L82 PathProgramCache]: Analyzing trace with hash -2006604501, now seen corresponding path program 1 times [2019-11-26 02:52:16,515 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-26 02:52:16,516 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [214532812] [2019-11-26 02:52:16,516 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-26 02:52:16,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-26 02:52:17,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-26 02:52:17,164 INFO L174 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2019-11-26 02:52:17,165 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-11-26 02:52:17,246 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 02:52:17 BoogieIcfgContainer [2019-11-26 02:52:17,246 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-26 02:52:17,246 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-26 02:52:17,246 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-26 02:52:17,247 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-26 02:52:17,247 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:52:16" (3/4) ... [2019-11-26 02:52:17,251 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-11-26 02:52:17,323 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_c6780119-84e7-478b-bcd9-255e6075cc71/bin/utaipan/witness.graphml [2019-11-26 02:52:17,323 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-26 02:52:17,325 INFO L168 Benchmark]: Toolchain (without parser) took 5007.77 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 240.1 MB). Free memory was 944.7 MB in the beginning and 1.0 GB in the end (delta: -68.7 MB). Peak memory consumption was 171.4 MB. Max. memory is 11.5 GB. [2019-11-26 02:52:17,325 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:52:17,326 INFO L168 Benchmark]: CACSL2BoogieTranslator took 528.04 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 154.7 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -188.7 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. [2019-11-26 02:52:17,326 INFO L168 Benchmark]: Boogie Procedure Inliner took 103.18 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: 8.2 MB). Peak memory consumption was 8.2 MB. Max. memory is 11.5 GB. [2019-11-26 02:52:17,327 INFO L168 Benchmark]: Boogie Preprocessor took 107.94 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 02:52:17,327 INFO L168 Benchmark]: RCFGBuilder took 3355.48 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 85.5 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 46.2 MB). Peak memory consumption was 305.6 MB. Max. memory is 11.5 GB. [2019-11-26 02:52:17,328 INFO L168 Benchmark]: TraceAbstraction took 830.47 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 55.0 MB). Peak memory consumption was 55.0 MB. Max. memory is 11.5 GB. [2019-11-26 02:52:17,328 INFO L168 Benchmark]: Witness Printer took 76.81 ms. Allocated memory is still 1.3 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 11.5 GB. [2019-11-26 02:52:17,330 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 528.04 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 154.7 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -188.7 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 103.18 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: 8.2 MB). Peak memory consumption was 8.2 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 107.94 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 3355.48 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 85.5 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 46.2 MB). Peak memory consumption was 305.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 830.47 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 55.0 MB). Peak memory consumption was 55.0 MB. Max. memory is 11.5 GB. * Witness Printer took 76.81 ms. Allocated memory is still 1.3 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 73]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L444] int cleanupTimeShifts = 4; [L554] int pumpRunning = 0; [L555] int systemActive = 1; [L878] int waterLevel = 1; [L879] int methaneLevelCritical = 0; [L247] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L525] int retValue_acc ; [L526] int tmp ; [L868] int retValue_acc ; [L871] retValue_acc = 1 [L872] return (retValue_acc); [L532] tmp = valid_product() [L534] COND TRUE \read(tmp) [L778] int splverifierCounter ; [L779] int tmp ; [L780] int tmp___0 ; [L781] int tmp___1 ; [L782] int tmp___2 ; [L785] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L787] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L789] COND TRUE splverifierCounter < 4 [L795] tmp = __VERIFIER_nondet_int() [L797] COND TRUE \read(tmp) [L896] COND TRUE waterLevel < 2 [L897] waterLevel = waterLevel + 1 [L805] tmp___0 = __VERIFIER_nondet_int() [L807] COND TRUE \read(tmp___0) [L908] COND FALSE !(\read(methaneLevelCritical)) [L911] methaneLevelCritical = 1 [L815] tmp___2 = __VERIFIER_nondet_int() [L817] COND TRUE \read(tmp___2) [L561] COND FALSE !(\read(pumpRunning)) [L568] COND TRUE \read(systemActive) [L642] int tmp ; [L645] COND FALSE !(\read(pumpRunning)) [L616] int tmp ; [L619] COND FALSE !(\read(pumpRunning)) [L590] int tmp ; [L593] COND TRUE ! pumpRunning [L739] int retValue_acc ; [L740] int tmp ; [L741] int tmp___0 ; [L958] int retValue_acc ; [L961] COND FALSE !(waterLevel < 2) [L965] retValue_acc = 0 [L966] return (retValue_acc); [L745] tmp = isHighWaterSensorDry() [L747] COND FALSE !(\read(tmp)) [L750] tmp___0 = 1 [L752] retValue_acc = tmp___0 [L753] return (retValue_acc); [L595] tmp = isHighWaterLevel() [L597] COND TRUE \read(tmp) [L670] pumpRunning = 1 [L44] int tmp ; [L45] int tmp___0 ; [L917] int retValue_acc ; [L920] retValue_acc = methaneLevelCritical [L921] return (retValue_acc); [L49] tmp = isMethaneLevelCritical() [L51] COND TRUE \read(tmp) [L694] int retValue_acc ; [L697] retValue_acc = pumpRunning [L698] return (retValue_acc); [L53] tmp___0 = isPumpRunning() [L55] COND TRUE \read(tmp___0) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L73] __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...