./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product38.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_c4d5b751-dcfb-427e-92fb-0ab2f5792005/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_c4d5b751-dcfb-427e-92fb-0ab2f5792005/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_c4d5b751-dcfb-427e-92fb-0ab2f5792005/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_c4d5b751-dcfb-427e-92fb-0ab2f5792005/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product38.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_c4d5b751-dcfb-427e-92fb-0ab2f5792005/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_c4d5b751-dcfb-427e-92fb-0ab2f5792005/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 a0c13a298b8ef5fea6639223509104e0f4da0801 .................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.24-6b5699a [2019-11-26 02:39:33,586 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 02:39:33,588 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 02:39:33,601 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 02:39:33,601 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 02:39:33,603 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 02:39:33,604 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 02:39:33,613 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 02:39:33,618 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 02:39:33,622 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 02:39:33,624 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 02:39:33,625 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 02:39:33,625 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 02:39:33,627 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 02:39:33,628 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 02:39:33,629 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 02:39:33,630 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 02:39:33,631 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 02:39:33,633 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 02:39:33,636 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 02:39:33,640 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 02:39:33,643 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 02:39:33,645 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 02:39:33,645 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 02:39:33,648 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 02:39:33,648 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 02:39:33,648 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 02:39:33,650 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 02:39:33,650 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 02:39:33,652 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 02:39:33,652 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 02:39:33,653 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 02:39:33,654 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 02:39:33,655 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 02:39:33,656 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 02:39:33,656 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 02:39:33,657 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 02:39:33,657 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 02:39:33,657 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 02:39:33,658 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 02:39:33,659 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 02:39:33,660 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_c4d5b751-dcfb-427e-92fb-0ab2f5792005/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-11-26 02:39:33,684 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 02:39:33,694 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 02:39:33,694 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-26 02:39:33,695 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-26 02:39:33,695 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-26 02:39:33,695 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-26 02:39:33,695 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-26 02:39:33,695 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-26 02:39:33,695 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-26 02:39:33,695 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-26 02:39:33,695 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-26 02:39:33,696 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-26 02:39:33,696 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-26 02:39:33,696 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-26 02:39:33,696 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-26 02:39:33,697 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 02:39:33,697 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 02:39:33,697 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 02:39:33,697 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 02:39:33,697 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 02:39:33,697 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 02:39:33,697 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 02:39:33,698 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 02:39:33,698 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 02:39:33,698 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 02:39:33,698 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 02:39:33,698 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 02:39:33,698 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 02:39:33,698 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 02:39:33,699 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 02:39:33,699 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 02:39:33,699 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 02:39:33,699 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 02:39:33,699 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-26 02:39:33,699 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 02:39:33,699 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 02:39:33,699 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 02:39:33,700 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_c4d5b751-dcfb-427e-92fb-0ab2f5792005/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 -> a0c13a298b8ef5fea6639223509104e0f4da0801 [2019-11-26 02:39:33,834 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 02:39:33,844 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 02:39:33,847 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 02:39:33,848 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 02:39:33,849 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 02:39:33,849 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_c4d5b751-dcfb-427e-92fb-0ab2f5792005/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec1_product38.cil.c [2019-11-26 02:39:33,908 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_c4d5b751-dcfb-427e-92fb-0ab2f5792005/bin/utaipan/data/a543a6178/44ba75226ab34a8cb2eb9893c6569a6e/FLAGbb47bd97d [2019-11-26 02:39:34,356 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 02:39:34,357 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_c4d5b751-dcfb-427e-92fb-0ab2f5792005/sv-benchmarks/c/product-lines/minepump_spec1_product38.cil.c [2019-11-26 02:39:34,376 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_c4d5b751-dcfb-427e-92fb-0ab2f5792005/bin/utaipan/data/a543a6178/44ba75226ab34a8cb2eb9893c6569a6e/FLAGbb47bd97d [2019-11-26 02:39:34,389 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_c4d5b751-dcfb-427e-92fb-0ab2f5792005/bin/utaipan/data/a543a6178/44ba75226ab34a8cb2eb9893c6569a6e [2019-11-26 02:39:34,392 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 02:39:34,393 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-26 02:39:34,394 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 02:39:34,394 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 02:39:34,398 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 02:39:34,399 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:39:34" (1/1) ... [2019-11-26 02:39:34,401 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79d379a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:39:34, skipping insertion in model container [2019-11-26 02:39:34,402 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:39:34" (1/1) ... [2019-11-26 02:39:34,409 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 02:39:34,470 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-26 02:39:34,835 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:39:34,845 INFO L201 MainTranslator]: Completed pre-run [2019-11-26 02:39:34,920 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:39:34,962 INFO L205 MainTranslator]: Completed translation [2019-11-26 02:39:34,963 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:39:34 WrapperNode [2019-11-26 02:39:34,963 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 02:39:34,964 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 02:39:34,964 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 02:39:34,964 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 02:39:34,972 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:39:34" (1/1) ... [2019-11-26 02:39:34,993 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:39:34" (1/1) ... [2019-11-26 02:39:35,041 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 02:39:35,041 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 02:39:35,042 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 02:39:35,042 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 02:39:35,050 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:39:34" (1/1) ... [2019-11-26 02:39:35,050 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:39:34" (1/1) ... [2019-11-26 02:39:35,054 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:39:34" (1/1) ... [2019-11-26 02:39:35,055 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:39:34" (1/1) ... [2019-11-26 02:39:35,066 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:39:34" (1/1) ... [2019-11-26 02:39:35,074 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:39:34" (1/1) ... [2019-11-26 02:39:35,078 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:39:34" (1/1) ... [2019-11-26 02:39:35,082 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 02:39:35,083 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-26 02:39:35,083 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-26 02:39:35,083 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-26 02:39:35,084 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:39:34" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c4d5b751-dcfb-427e-92fb-0ab2f5792005/bin/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 02:39:35,153 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-26 02:39:35,153 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-26 02:39:35,153 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-26 02:39:35,153 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-26 02:39:37,109 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-26 02:39:37,109 INFO L284 CfgBuilder]: Removed 158 assume(true) statements. [2019-11-26 02:39:37,111 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:39:37 BoogieIcfgContainer [2019-11-26 02:39:37,111 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-26 02:39:37,112 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-26 02:39:37,112 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-26 02:39:37,115 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-26 02:39:37,115 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 02:39:34" (1/3) ... [2019-11-26 02:39:37,116 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59bac396 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 02:39:37, skipping insertion in model container [2019-11-26 02:39:37,116 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:39:34" (2/3) ... [2019-11-26 02:39:37,117 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59bac396 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 02:39:37, skipping insertion in model container [2019-11-26 02:39:37,118 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:39:37" (3/3) ... [2019-11-26 02:39:37,122 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product38.cil.c [2019-11-26 02:39:37,131 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-26 02:39:37,137 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-11-26 02:39:37,147 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-11-26 02:39:37,169 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-26 02:39:37,169 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-26 02:39:37,169 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-26 02:39:37,170 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-26 02:39:37,170 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-26 02:39:37,170 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-26 02:39:37,170 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-26 02:39:37,170 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-26 02:39:37,186 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states. [2019-11-26 02:39:37,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-11-26 02:39:37,192 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 02:39:37,193 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-26 02:39:37,194 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-26 02:39:37,199 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:39:37,199 INFO L82 PathProgramCache]: Analyzing trace with hash -1462065115, now seen corresponding path program 1 times [2019-11-26 02:39:37,210 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-26 02:39:37,211 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [763973917] [2019-11-26 02:39:37,211 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-26 02:39:37,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-26 02:39:37,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-26 02:39:37,766 INFO L174 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2019-11-26 02:39:37,767 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-11-26 02:39:37,852 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 02:39:37 BoogieIcfgContainer [2019-11-26 02:39:37,852 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-26 02:39:37,852 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-26 02:39:37,852 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-26 02:39:37,853 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-26 02:39:37,854 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:39:37" (3/4) ... [2019-11-26 02:39:37,856 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-11-26 02:39:37,948 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_c4d5b751-dcfb-427e-92fb-0ab2f5792005/bin/utaipan/witness.graphml [2019-11-26 02:39:37,948 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-26 02:39:37,950 INFO L168 Benchmark]: Toolchain (without parser) took 3556.67 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.1 MB). Free memory was 950.1 MB in the beginning and 1.1 GB in the end (delta: -139.4 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:39:37,951 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:39:37,951 INFO L168 Benchmark]: CACSL2BoogieTranslator took 569.23 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.1 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -170.2 MB). Peak memory consumption was 17.7 MB. Max. memory is 11.5 GB. [2019-11-26 02:39:37,952 INFO L168 Benchmark]: Boogie Procedure Inliner took 77.39 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-11-26 02:39:37,952 INFO L168 Benchmark]: Boogie Preprocessor took 41.16 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:39:37,952 INFO L168 Benchmark]: RCFGBuilder took 2028.25 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 886.5 MB in the end (delta: 223.0 MB). Peak memory consumption was 223.0 MB. Max. memory is 11.5 GB. [2019-11-26 02:39:37,953 INFO L168 Benchmark]: TraceAbstraction took 740.18 ms. Allocated memory is still 1.2 GB. Free memory was 886.5 MB in the beginning and 1.1 GB in the end (delta: -210.0 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:39:37,953 INFO L168 Benchmark]: Witness Printer took 96.25 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: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. [2019-11-26 02:39:37,955 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 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 569.23 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.1 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -170.2 MB). Peak memory consumption was 17.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 77.39 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 41.16 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 2028.25 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 886.5 MB in the end (delta: 223.0 MB). Peak memory consumption was 223.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 740.18 ms. Allocated memory is still 1.2 GB. Free memory was 886.5 MB in the beginning and 1.1 GB in the end (delta: -210.0 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 96.25 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: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 837]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L40] int cleanupTimeShifts = 4; [L580] int pumpRunning = 0; [L581] int systemActive = 1; [L843] int waterLevel = 1; [L844] int methaneLevelCritical = 0; [L377] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L121] int retValue_acc ; [L122] int tmp ; [L170] int retValue_acc ; [L173] retValue_acc = 1 [L174] return (retValue_acc); [L128] tmp = valid_product() [L130] COND TRUE \read(tmp) [L767] int splverifierCounter ; [L768] int tmp ; [L769] int tmp___0 ; [L770] int tmp___1 ; [L771] int tmp___2 ; [L774] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L776] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L778] COND TRUE splverifierCounter < 4 [L784] tmp = __VERIFIER_nondet_int() [L786] COND TRUE \read(tmp) [L861] COND TRUE waterLevel < 2 [L862] waterLevel = waterLevel + 1 [L794] tmp___0 = __VERIFIER_nondet_int() [L796] COND TRUE \read(tmp___0) [L873] COND FALSE !(\read(methaneLevelCritical)) [L876] methaneLevelCritical = 1 [L804] tmp___2 = __VERIFIER_nondet_int() [L806] COND FALSE !(\read(tmp___2)) [L812] tmp___1 = __VERIFIER_nondet_int() [L814] COND FALSE !(\read(tmp___1)) [L587] COND FALSE !(\read(pumpRunning)) [L594] COND TRUE \read(systemActive) [L642] int tmp ; [L645] COND FALSE !(\read(pumpRunning)) [L616] int tmp ; [L619] COND TRUE ! pumpRunning [L739] int retValue_acc ; [L740] int tmp ; [L741] int tmp___0 ; [L923] int retValue_acc ; [L926] COND FALSE !(waterLevel < 2) [L930] retValue_acc = 0 [L931] return (retValue_acc); [L745] tmp = isHighWaterSensorDry() [L747] COND FALSE !(\read(tmp)) [L750] tmp___0 = 1 [L752] retValue_acc = tmp___0 [L753] return (retValue_acc); [L621] tmp = isHighWaterLevel() [L623] COND TRUE \read(tmp) [L670] pumpRunning = 1 [L183] int tmp ; [L184] int tmp___0 ; [L882] int retValue_acc ; [L885] retValue_acc = methaneLevelCritical [L886] return (retValue_acc); [L188] tmp = isMethaneLevelCritical() [L190] COND TRUE \read(tmp) [L694] int retValue_acc ; [L697] retValue_acc = pumpRunning [L698] return (retValue_acc); [L192] tmp___0 = isPumpRunning() [L194] COND TRUE \read(tmp___0) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L837] __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: 0.6s, 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, 0.2s 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...