./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product19.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_cb7726fa-8347-4588-b9cf-08e078b174de/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_cb7726fa-8347-4588-b9cf-08e078b174de/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_cb7726fa-8347-4588-b9cf-08e078b174de/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_cb7726fa-8347-4588-b9cf-08e078b174de/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product19.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_cb7726fa-8347-4588-b9cf-08e078b174de/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_cb7726fa-8347-4588-b9cf-08e078b174de/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 db72a434ba2554f10f7540a58e5ab1c726dc8fbe ................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-6b5699a [2019-11-26 02:30:11,325 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 02:30:11,326 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 02:30:11,337 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 02:30:11,337 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 02:30:11,338 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 02:30:11,339 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 02:30:11,341 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 02:30:11,343 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 02:30:11,344 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 02:30:11,345 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 02:30:11,346 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 02:30:11,346 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 02:30:11,347 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 02:30:11,348 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 02:30:11,349 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 02:30:11,350 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 02:30:11,351 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 02:30:11,356 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 02:30:11,358 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 02:30:11,362 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 02:30:11,365 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 02:30:11,368 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 02:30:11,369 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 02:30:11,372 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 02:30:11,373 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 02:30:11,373 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 02:30:11,376 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 02:30:11,376 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 02:30:11,378 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 02:30:11,378 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 02:30:11,379 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 02:30:11,379 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 02:30:11,380 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 02:30:11,381 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 02:30:11,381 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 02:30:11,382 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 02:30:11,382 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 02:30:11,383 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 02:30:11,384 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 02:30:11,386 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 02:30:11,386 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_cb7726fa-8347-4588-b9cf-08e078b174de/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-11-26 02:30:11,404 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 02:30:11,404 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 02:30:11,405 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-26 02:30:11,406 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-26 02:30:11,406 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-26 02:30:11,406 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-26 02:30:11,407 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-26 02:30:11,407 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-26 02:30:11,407 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-26 02:30:11,407 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-26 02:30:11,408 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-26 02:30:11,408 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-26 02:30:11,409 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-26 02:30:11,409 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-26 02:30:11,409 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-26 02:30:11,410 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 02:30:11,410 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 02:30:11,410 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 02:30:11,411 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 02:30:11,411 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 02:30:11,411 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 02:30:11,411 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 02:30:11,411 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 02:30:11,412 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 02:30:11,412 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 02:30:11,412 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 02:30:11,412 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 02:30:11,412 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 02:30:11,413 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 02:30:11,413 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 02:30:11,413 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 02:30:11,413 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 02:30:11,414 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 02:30:11,414 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-26 02:30:11,414 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 02:30:11,414 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 02:30:11,415 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 02:30:11,415 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_cb7726fa-8347-4588-b9cf-08e078b174de/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 -> db72a434ba2554f10f7540a58e5ab1c726dc8fbe [2019-11-26 02:30:11,598 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 02:30:11,608 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 02:30:11,611 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 02:30:11,614 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 02:30:11,617 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 02:30:11,618 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_cb7726fa-8347-4588-b9cf-08e078b174de/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec1_product19.cil.c [2019-11-26 02:30:11,665 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_cb7726fa-8347-4588-b9cf-08e078b174de/bin/utaipan/data/31f62e1f1/34b49b77a6734d8a9c94e6a1a0b8ea80/FLAG5a7d87fbe [2019-11-26 02:30:12,084 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 02:30:12,085 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_cb7726fa-8347-4588-b9cf-08e078b174de/sv-benchmarks/c/product-lines/minepump_spec1_product19.cil.c [2019-11-26 02:30:12,097 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_cb7726fa-8347-4588-b9cf-08e078b174de/bin/utaipan/data/31f62e1f1/34b49b77a6734d8a9c94e6a1a0b8ea80/FLAG5a7d87fbe [2019-11-26 02:30:12,107 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_cb7726fa-8347-4588-b9cf-08e078b174de/bin/utaipan/data/31f62e1f1/34b49b77a6734d8a9c94e6a1a0b8ea80 [2019-11-26 02:30:12,109 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 02:30:12,110 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-26 02:30:12,111 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 02:30:12,111 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 02:30:12,114 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 02:30:12,115 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:30:12" (1/1) ... [2019-11-26 02:30:12,117 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49f3b232 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:30:12, skipping insertion in model container [2019-11-26 02:30:12,117 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:30:12" (1/1) ... [2019-11-26 02:30:12,124 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 02:30:12,169 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-26 02:30:12,591 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:30:12,605 INFO L201 MainTranslator]: Completed pre-run [2019-11-26 02:30:12,701 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:30:12,737 INFO L205 MainTranslator]: Completed translation [2019-11-26 02:30:12,738 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:30:12 WrapperNode [2019-11-26 02:30:12,738 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 02:30:12,739 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 02:30:12,739 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 02:30:12,739 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 02:30:12,747 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:30:12" (1/1) ... [2019-11-26 02:30:12,778 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:30:12" (1/1) ... [2019-11-26 02:30:12,832 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 02:30:12,832 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 02:30:12,832 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 02:30:12,833 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 02:30:12,844 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:30:12" (1/1) ... [2019-11-26 02:30:12,844 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:30:12" (1/1) ... [2019-11-26 02:30:12,862 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:30:12" (1/1) ... [2019-11-26 02:30:12,862 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:30:12" (1/1) ... [2019-11-26 02:30:12,871 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:30:12" (1/1) ... [2019-11-26 02:30:12,890 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:30:12" (1/1) ... [2019-11-26 02:30:12,892 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:30:12" (1/1) ... [2019-11-26 02:30:12,895 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 02:30:12,896 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-26 02:30:12,896 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-26 02:30:12,896 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-26 02:30:12,897 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:30:12" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb7726fa-8347-4588-b9cf-08e078b174de/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 02:30:12,972 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-26 02:30:12,973 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-26 02:30:12,973 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-26 02:30:12,973 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-26 02:30:14,210 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-26 02:30:14,210 INFO L284 CfgBuilder]: Removed 100 assume(true) statements. [2019-11-26 02:30:14,211 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:30:14 BoogieIcfgContainer [2019-11-26 02:30:14,211 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-26 02:30:14,212 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-26 02:30:14,212 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-26 02:30:14,215 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-26 02:30:14,215 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 02:30:12" (1/3) ... [2019-11-26 02:30:14,215 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e3d404e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 02:30:14, skipping insertion in model container [2019-11-26 02:30:14,220 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:30:12" (2/3) ... [2019-11-26 02:30:14,220 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e3d404e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 02:30:14, skipping insertion in model container [2019-11-26 02:30:14,221 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:30:14" (3/3) ... [2019-11-26 02:30:14,224 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product19.cil.c [2019-11-26 02:30:14,231 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-26 02:30:14,237 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-11-26 02:30:14,246 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-11-26 02:30:14,264 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-26 02:30:14,264 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-26 02:30:14,265 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-26 02:30:14,265 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-26 02:30:14,265 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-26 02:30:14,265 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-26 02:30:14,265 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-26 02:30:14,265 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-26 02:30:14,276 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states. [2019-11-26 02:30:14,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-11-26 02:30:14,281 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 02:30:14,281 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-26 02:30:14,282 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-26 02:30:14,286 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:30:14,286 INFO L82 PathProgramCache]: Analyzing trace with hash 1244686962, now seen corresponding path program 1 times [2019-11-26 02:30:14,292 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-26 02:30:14,292 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1495109133] [2019-11-26 02:30:14,292 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-26 02:30:14,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:30:14,717 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:30:14,718 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1495109133] [2019-11-26 02:30:14,719 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-26 02:30:14,719 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-26 02:30:14,720 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1290496669] [2019-11-26 02:30:14,724 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-26 02:30:14,724 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-26 02:30:14,737 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-26 02:30:14,737 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-26 02:30:14,739 INFO L87 Difference]: Start difference. First operand 23 states. Second operand 4 states. [2019-11-26 02:30:14,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 02:30:14,821 INFO L93 Difference]: Finished difference Result 47 states and 69 transitions. [2019-11-26 02:30:14,822 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-26 02:30:14,823 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 7 [2019-11-26 02:30:14,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 02:30:14,829 INFO L225 Difference]: With dead ends: 47 [2019-11-26 02:30:14,830 INFO L226 Difference]: Without dead ends: 0 [2019-11-26 02:30:14,833 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-11-26 02:30:14,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-26 02:30:14,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-26 02:30:14,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-26 02:30:14,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-26 02:30:14,856 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 7 [2019-11-26 02:30:14,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 02:30:14,857 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-26 02:30:14,857 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-26 02:30:14,857 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-26 02:30:14,857 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-26 02:30:14,861 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-26 02:30:14,917 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 73) no Hoare annotation was computed. [2019-11-26 02:30:14,917 INFO L447 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-11-26 02:30:14,917 INFO L444 ceAbstractionStarter]: For program point L55(lines 55 61) no Hoare annotation was computed. [2019-11-26 02:30:14,917 INFO L444 ceAbstractionStarter]: For program point L55-2(lines 55 61) no Hoare annotation was computed. [2019-11-26 02:30:14,918 INFO L444 ceAbstractionStarter]: For program point L55-4(lines 55 61) no Hoare annotation was computed. [2019-11-26 02:30:14,918 INFO L444 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2019-11-26 02:30:14,918 INFO L444 ceAbstractionStarter]: For program point L73-1(line 73) no Hoare annotation was computed. [2019-11-26 02:30:14,918 INFO L444 ceAbstractionStarter]: For program point L73-2(line 73) no Hoare annotation was computed. [2019-11-26 02:30:14,918 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-26 02:30:14,918 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 73) no Hoare annotation was computed. [2019-11-26 02:30:14,919 INFO L440 ceAbstractionStarter]: At program point L589-2(lines 589 603) the Hoare annotation is: (= ~pumpRunning~0 0) [2019-11-26 02:30:14,919 INFO L440 ceAbstractionStarter]: At program point L904(lines 855 905) the Hoare annotation is: (= ~pumpRunning~0 0) [2019-11-26 02:30:14,919 INFO L440 ceAbstractionStarter]: At program point L857(lines 856 903) the Hoare annotation is: (= ~pumpRunning~0 0) [2019-11-26 02:30:14,919 INFO L440 ceAbstractionStarter]: At program point L593(lines 593 597) the Hoare annotation is: (= ~pumpRunning~0 0) [2019-11-26 02:30:14,919 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 73) no Hoare annotation was computed. [2019-11-26 02:30:14,919 INFO L440 ceAbstractionStarter]: At program point L662(lines 662 669) the Hoare annotation is: (= ~pumpRunning~0 0) [2019-11-26 02:30:14,920 INFO L440 ceAbstractionStarter]: At program point L662-1(lines 662 669) the Hoare annotation is: (= ~pumpRunning~0 0) [2019-11-26 02:30:14,920 INFO L440 ceAbstractionStarter]: At program point L51(lines 51 64) the Hoare annotation is: (= ~pumpRunning~0 0) [2019-11-26 02:30:14,920 INFO L440 ceAbstractionStarter]: At program point L51-1(lines 1 911) the Hoare annotation is: (= ~pumpRunning~0 0) [2019-11-26 02:30:14,920 INFO L440 ceAbstractionStarter]: At program point L51-2(lines 51 64) the Hoare annotation is: (= ~pumpRunning~0 0) [2019-11-26 02:30:14,920 INFO L440 ceAbstractionStarter]: At program point L51-3(lines 1 911) the Hoare annotation is: (= ~pumpRunning~0 0) [2019-11-26 02:30:14,921 INFO L440 ceAbstractionStarter]: At program point L51-4(lines 51 64) the Hoare annotation is: (= ~pumpRunning~0 0) [2019-11-26 02:30:14,921 INFO L440 ceAbstractionStarter]: At program point L51-5(lines 1 911) the Hoare annotation is: (= ~pumpRunning~0 0) [2019-11-26 02:30:14,939 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 02:30:14 BoogieIcfgContainer [2019-11-26 02:30:14,940 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-26 02:30:14,940 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-26 02:30:14,940 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-26 02:30:14,940 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-26 02:30:14,941 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:30:14" (3/4) ... [2019-11-26 02:30:14,945 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-26 02:30:14,966 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 81 nodes and edges [2019-11-26 02:30:14,967 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2019-11-26 02:30:14,969 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2019-11-26 02:30:14,970 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-11-26 02:30:14,970 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-26 02:30:14,971 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-26 02:30:14,972 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-26 02:30:15,085 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_cb7726fa-8347-4588-b9cf-08e078b174de/bin/utaipan/witness.graphml [2019-11-26 02:30:15,085 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-26 02:30:15,087 INFO L168 Benchmark]: Toolchain (without parser) took 2976.18 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 188.7 MB). Free memory was 944.7 MB in the beginning and 980.7 MB in the end (delta: -36.0 MB). Peak memory consumption was 152.7 MB. Max. memory is 11.5 GB. [2019-11-26 02:30:15,088 INFO L168 Benchmark]: CDTParser took 0.16 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 02:30:15,089 INFO L168 Benchmark]: CACSL2BoogieTranslator took 627.30 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 188.7 MB). Free memory was 939.3 MB in the beginning and 1.2 GB in the end (delta: -231.8 MB). Peak memory consumption was 19.0 MB. Max. memory is 11.5 GB. [2019-11-26 02:30:15,089 INFO L168 Benchmark]: Boogie Procedure Inliner took 93.29 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2019-11-26 02:30:15,090 INFO L168 Benchmark]: Boogie Preprocessor took 63.37 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:30:15,090 INFO L168 Benchmark]: RCFGBuilder took 1315.39 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.0 GB in the end (delta: 134.1 MB). Peak memory consumption was 134.1 MB. Max. memory is 11.5 GB. [2019-11-26 02:30:15,090 INFO L168 Benchmark]: TraceAbstraction took 727.74 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 987.6 MB in the end (delta: 42.6 MB). Peak memory consumption was 42.6 MB. Max. memory is 11.5 GB. [2019-11-26 02:30:15,091 INFO L168 Benchmark]: Witness Printer took 145.30 ms. Allocated memory is still 1.2 GB. Free memory was 987.6 MB in the beginning and 980.7 MB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2019-11-26 02:30:15,093 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 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 627.30 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 188.7 MB). Free memory was 939.3 MB in the beginning and 1.2 GB in the end (delta: -231.8 MB). Peak memory consumption was 19.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 93.29 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 63.37 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 1315.39 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.0 GB in the end (delta: 134.1 MB). Peak memory consumption was 134.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 727.74 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 987.6 MB in the end (delta: 42.6 MB). Peak memory consumption was 42.6 MB. Max. memory is 11.5 GB. * Witness Printer took 145.30 ms. Allocated memory is still 1.2 GB. Free memory was 987.6 MB in the beginning and 980.7 MB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 73]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 73]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 73]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 51]: Loop Invariant Derived loop invariant: pumpRunning == 0 - InvariantResult [Line: 856]: Loop Invariant Derived loop invariant: pumpRunning == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: pumpRunning == 0 - InvariantResult [Line: 51]: Loop Invariant Derived loop invariant: pumpRunning == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: pumpRunning == 0 - InvariantResult [Line: 662]: Loop Invariant Derived loop invariant: pumpRunning == 0 - InvariantResult [Line: 589]: Loop Invariant Derived loop invariant: pumpRunning == 0 - InvariantResult [Line: 51]: Loop Invariant Derived loop invariant: pumpRunning == 0 - InvariantResult [Line: 662]: Loop Invariant Derived loop invariant: pumpRunning == 0 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 855]: Loop Invariant Derived loop invariant: pumpRunning == 0 - InvariantResult [Line: 593]: Loop Invariant Derived loop invariant: pumpRunning == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: pumpRunning == 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 23 locations, 3 error locations. Result: SAFE, OverallTime: 0.6s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 20 SDtfs, 26 SDslu, 13 SDs, 0 SdLazy, 18 SolverSat, 6 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 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: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 13 LocationsWithAnnotation, 13 PreInvPairs, 32 NumberOfFragments, 37 HoareAnnotationTreeSize, 13 FomulaSimplifications, 64 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 13 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 6 ConstructedInterpolants, 0 QuantifiedInterpolants, 96 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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 correct! Received shutdown request...