./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product52.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_4c7fbadc-3fef-48f4-9dae-404dfbd5ddf9/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_4c7fbadc-3fef-48f4-9dae-404dfbd5ddf9/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_4c7fbadc-3fef-48f4-9dae-404dfbd5ddf9/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_4c7fbadc-3fef-48f4-9dae-404dfbd5ddf9/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product52.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_4c7fbadc-3fef-48f4-9dae-404dfbd5ddf9/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_4c7fbadc-3fef-48f4-9dae-404dfbd5ddf9/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 eb59a6e6bbeea05d6faf844d6f750609a5360ad9 .................................................................................................................................................................................................................................................................................................... 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 02:58:28,525 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 02:58:28,527 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 02:58:28,544 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 02:58:28,544 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 02:58:28,545 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 02:58:28,547 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 02:58:28,555 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 02:58:28,559 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 02:58:28,563 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 02:58:28,564 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 02:58:28,566 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 02:58:28,566 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 02:58:28,568 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 02:58:28,569 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 02:58:28,570 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 02:58:28,571 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 02:58:28,572 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 02:58:28,574 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 02:58:28,577 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 02:58:28,581 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 02:58:28,583 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 02:58:28,584 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 02:58:28,584 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 02:58:28,586 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 02:58:28,586 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 02:58:28,586 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 02:58:28,587 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 02:58:28,587 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 02:58:28,588 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 02:58:28,588 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 02:58:28,589 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 02:58:28,589 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 02:58:28,590 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 02:58:28,591 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 02:58:28,591 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 02:58:28,591 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 02:58:28,591 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 02:58:28,592 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 02:58:28,592 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 02:58:28,593 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 02:58:28,593 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_4c7fbadc-3fef-48f4-9dae-404dfbd5ddf9/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-11-26 02:58:28,606 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 02:58:28,607 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 02:58:28,607 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-26 02:58:28,607 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-26 02:58:28,608 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-26 02:58:28,608 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-26 02:58:28,608 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-26 02:58:28,608 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-26 02:58:28,608 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-26 02:58:28,609 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-26 02:58:28,609 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-26 02:58:28,609 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-26 02:58:28,609 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-26 02:58:28,609 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-26 02:58:28,610 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-26 02:58:28,610 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 02:58:28,610 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 02:58:28,610 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 02:58:28,611 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 02:58:28,611 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 02:58:28,611 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 02:58:28,611 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 02:58:28,611 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 02:58:28,612 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 02:58:28,612 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 02:58:28,612 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 02:58:28,612 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 02:58:28,613 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 02:58:28,613 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 02:58:28,613 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 02:58:28,613 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 02:58:28,613 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 02:58:28,614 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 02:58:28,614 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-26 02:58:28,614 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 02:58:28,614 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 02:58:28,614 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 02:58:28,615 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_4c7fbadc-3fef-48f4-9dae-404dfbd5ddf9/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 -> eb59a6e6bbeea05d6faf844d6f750609a5360ad9 [2019-11-26 02:58:28,741 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 02:58:28,751 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 02:58:28,754 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 02:58:28,755 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 02:58:28,756 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 02:58:28,756 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_4c7fbadc-3fef-48f4-9dae-404dfbd5ddf9/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec1_product52.cil.c [2019-11-26 02:58:28,804 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_4c7fbadc-3fef-48f4-9dae-404dfbd5ddf9/bin/utaipan/data/8518395c7/4e8061b5bc674404972376eaef817e27/FLAGfc16b6d73 [2019-11-26 02:58:29,298 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 02:58:29,299 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_4c7fbadc-3fef-48f4-9dae-404dfbd5ddf9/sv-benchmarks/c/product-lines/minepump_spec1_product52.cil.c [2019-11-26 02:58:29,311 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_4c7fbadc-3fef-48f4-9dae-404dfbd5ddf9/bin/utaipan/data/8518395c7/4e8061b5bc674404972376eaef817e27/FLAGfc16b6d73 [2019-11-26 02:58:29,606 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_4c7fbadc-3fef-48f4-9dae-404dfbd5ddf9/bin/utaipan/data/8518395c7/4e8061b5bc674404972376eaef817e27 [2019-11-26 02:58:29,607 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 02:58:29,608 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-26 02:58:29,609 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 02:58:29,609 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 02:58:29,612 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 02:58:29,613 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:58:29" (1/1) ... [2019-11-26 02:58:29,615 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d6781b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:58:29, skipping insertion in model container [2019-11-26 02:58:29,615 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:58:29" (1/1) ... [2019-11-26 02:58:29,621 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 02:58:29,669 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-26 02:58:30,004 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:58:30,018 INFO L201 MainTranslator]: Completed pre-run [2019-11-26 02:58:30,087 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:58:30,124 INFO L205 MainTranslator]: Completed translation [2019-11-26 02:58:30,124 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:58:30 WrapperNode [2019-11-26 02:58:30,124 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 02:58:30,125 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 02:58:30,125 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 02:58:30,125 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 02:58:30,133 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:58:30" (1/1) ... [2019-11-26 02:58:30,156 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:58:30" (1/1) ... [2019-11-26 02:58:30,197 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 02:58:30,198 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 02:58:30,198 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 02:58:30,198 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 02:58:30,209 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:58:30" (1/1) ... [2019-11-26 02:58:30,210 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:58:30" (1/1) ... [2019-11-26 02:58:30,214 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:58:30" (1/1) ... [2019-11-26 02:58:30,214 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:58:30" (1/1) ... [2019-11-26 02:58:30,227 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:58:30" (1/1) ... [2019-11-26 02:58:30,259 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:58:30" (1/1) ... [2019-11-26 02:58:30,262 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:58:30" (1/1) ... [2019-11-26 02:58:30,267 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 02:58:30,267 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-26 02:58:30,267 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-26 02:58:30,267 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-26 02:58:30,268 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:58:30" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4c7fbadc-3fef-48f4-9dae-404dfbd5ddf9/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 02:58:30,363 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-26 02:58:30,365 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-26 02:58:30,365 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-26 02:58:30,366 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-26 02:58:32,366 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-26 02:58:32,367 INFO L284 CfgBuilder]: Removed 162 assume(true) statements. [2019-11-26 02:58:32,368 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:58:32 BoogieIcfgContainer [2019-11-26 02:58:32,368 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-26 02:58:32,371 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-26 02:58:32,372 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-26 02:58:32,374 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-26 02:58:32,374 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 02:58:29" (1/3) ... [2019-11-26 02:58:32,375 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e7c99e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 02:58:32, skipping insertion in model container [2019-11-26 02:58:32,375 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:58:30" (2/3) ... [2019-11-26 02:58:32,375 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e7c99e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 02:58:32, skipping insertion in model container [2019-11-26 02:58:32,376 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:58:32" (3/3) ... [2019-11-26 02:58:32,379 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product52.cil.c [2019-11-26 02:58:32,386 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-26 02:58:32,391 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-11-26 02:58:32,400 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-11-26 02:58:32,422 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-26 02:58:32,422 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-26 02:58:32,423 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-26 02:58:32,423 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-26 02:58:32,423 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-26 02:58:32,423 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-26 02:58:32,423 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-26 02:58:32,423 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-26 02:58:32,438 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states. [2019-11-26 02:58:32,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-11-26 02:58:32,443 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 02:58:32,444 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-26 02:58:32,444 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-26 02:58:32,450 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:58:32,450 INFO L82 PathProgramCache]: Analyzing trace with hash 1771926336, now seen corresponding path program 1 times [2019-11-26 02:58:32,489 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-26 02:58:32,489 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1610451702] [2019-11-26 02:58:32,489 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-26 02:58:32,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-26 02:58:33,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-26 02:58:33,130 INFO L174 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2019-11-26 02:58:33,131 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-11-26 02:58:33,189 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 02:58:33 BoogieIcfgContainer [2019-11-26 02:58:33,189 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-26 02:58:33,189 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-26 02:58:33,190 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-26 02:58:33,190 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-26 02:58:33,190 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:58:32" (3/4) ... [2019-11-26 02:58:33,195 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-11-26 02:58:33,285 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_4c7fbadc-3fef-48f4-9dae-404dfbd5ddf9/bin/utaipan/witness.graphml [2019-11-26 02:58:33,286 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-26 02:58:33,288 INFO L168 Benchmark]: Toolchain (without parser) took 3678.52 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 139.5 MB). Free memory was 944.8 MB in the beginning and 1.0 GB in the end (delta: -95.3 MB). Peak memory consumption was 44.2 MB. Max. memory is 11.5 GB. [2019-11-26 02:58:33,288 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:58:33,289 INFO L168 Benchmark]: CACSL2BoogieTranslator took 515.27 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 139.5 MB). Free memory was 939.4 MB in the beginning and 1.1 GB in the end (delta: -184.1 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. [2019-11-26 02:58:33,289 INFO L168 Benchmark]: Boogie Procedure Inliner took 72.69 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 02:58:33,289 INFO L168 Benchmark]: Boogie Preprocessor took 69.10 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 02:58:33,290 INFO L168 Benchmark]: RCFGBuilder took 2101.64 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 883.0 MB in the end (delta: 235.1 MB). Peak memory consumption was 235.1 MB. Max. memory is 11.5 GB. [2019-11-26 02:58:33,290 INFO L168 Benchmark]: TraceAbstraction took 817.79 ms. Allocated memory is still 1.2 GB. Free memory was 883.0 MB in the beginning and 1.0 GB in the end (delta: -164.1 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:58:33,291 INFO L168 Benchmark]: Witness Printer took 96.30 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. [2019-11-26 02:58:33,293 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 515.27 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 139.5 MB). Free memory was 939.4 MB in the beginning and 1.1 GB in the end (delta: -184.1 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 72.69 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 69.10 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 2101.64 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 883.0 MB in the end (delta: 235.1 MB). Peak memory consumption was 235.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 817.79 ms. Allocated memory is still 1.2 GB. Free memory was 883.0 MB in the beginning and 1.0 GB in the end (delta: -164.1 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 96.30 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 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: 383]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L48] int waterLevel = 1; [L49] int methaneLevelCritical = 0; [L158] int pumpRunning = 0; [L159] int systemActive = 1; [L458] int cleanupTimeShifts = 4; [L752] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L534] int retValue_acc ; [L535] int tmp ; [L975] int retValue_acc ; [L978] retValue_acc = 1 [L979] return (retValue_acc); [L541] tmp = valid_product() [L543] COND TRUE \read(tmp) [L390] int splverifierCounter ; [L391] int tmp ; [L392] int tmp___0 ; [L393] int tmp___1 ; [L394] int tmp___2 ; [L397] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L399] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L401] COND TRUE splverifierCounter < 4 [L407] tmp = __VERIFIER_nondet_int() [L409] COND TRUE \read(tmp) [L66] COND TRUE waterLevel < 2 [L67] waterLevel = waterLevel + 1 [L417] tmp___0 = __VERIFIER_nondet_int() [L419] COND TRUE \read(tmp___0) [L78] COND FALSE !(\read(methaneLevelCritical)) [L81] methaneLevelCritical = 1 [L427] tmp___2 = __VERIFIER_nondet_int() [L429] COND FALSE !(\read(tmp___2)) [L435] tmp___1 = __VERIFIER_nondet_int() [L437] COND FALSE !(\read(tmp___1)) [L166] COND FALSE !(\read(pumpRunning)) [L173] COND TRUE \read(systemActive) [L221] int tmp ; [L224] COND FALSE !(\read(pumpRunning)) [L195] int tmp ; [L198] COND TRUE ! pumpRunning [L318] int retValue_acc ; [L319] int tmp ; [L320] int tmp___0 ; [L128] int retValue_acc ; [L131] COND FALSE !(waterLevel < 2) [L135] retValue_acc = 0 [L136] return (retValue_acc); [L324] tmp = isHighWaterSensorDry() [L326] COND FALSE !(\read(tmp)) [L329] tmp___0 = 1 [L331] retValue_acc = tmp___0 [L332] return (retValue_acc); [L200] tmp = isHighWaterLevel() [L202] COND TRUE \read(tmp) [L249] pumpRunning = 1 [L558] int tmp ; [L559] int tmp___0 ; [L87] int retValue_acc ; [L90] retValue_acc = methaneLevelCritical [L91] return (retValue_acc); [L563] tmp = isMethaneLevelCritical() [L565] COND TRUE \read(tmp) [L273] int retValue_acc ; [L276] retValue_acc = pumpRunning [L277] return (retValue_acc); [L567] tmp___0 = isPumpRunning() [L569] COND TRUE \read(tmp___0) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L383] __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...