./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product26.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_61ac348b-6ace-42b3-b111-fed7e99b5d47/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_61ac348b-6ace-42b3-b111-fed7e99b5d47/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_61ac348b-6ace-42b3-b111-fed7e99b5d47/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_61ac348b-6ace-42b3-b111-fed7e99b5d47/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product26.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_61ac348b-6ace-42b3-b111-fed7e99b5d47/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_61ac348b-6ace-42b3-b111-fed7e99b5d47/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 9a9facaada73db60539ede7a668b71ce2a4ae420 .......................................................................................................................................................................................................................................................................................................................................................................... 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 02:12:15,970 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 02:12:15,971 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 02:12:15,986 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 02:12:15,987 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 02:12:15,988 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 02:12:15,990 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 02:12:15,998 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 02:12:15,999 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 02:12:16,000 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 02:12:16,001 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 02:12:16,002 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 02:12:16,002 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 02:12:16,003 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 02:12:16,004 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 02:12:16,005 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 02:12:16,006 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 02:12:16,007 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 02:12:16,008 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 02:12:16,010 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 02:12:16,011 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 02:12:16,012 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 02:12:16,013 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 02:12:16,014 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 02:12:16,016 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 02:12:16,016 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 02:12:16,016 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 02:12:16,017 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 02:12:16,018 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 02:12:16,018 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 02:12:16,019 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 02:12:16,019 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 02:12:16,020 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 02:12:16,020 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 02:12:16,021 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 02:12:16,021 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 02:12:16,022 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 02:12:16,022 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 02:12:16,022 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 02:12:16,023 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 02:12:16,024 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 02:12:16,024 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_61ac348b-6ace-42b3-b111-fed7e99b5d47/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-11-26 02:12:16,036 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 02:12:16,037 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 02:12:16,037 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-26 02:12:16,037 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-26 02:12:16,038 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-26 02:12:16,038 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-26 02:12:16,038 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-26 02:12:16,038 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-26 02:12:16,038 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-26 02:12:16,038 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-26 02:12:16,039 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-26 02:12:16,039 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-26 02:12:16,039 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-26 02:12:16,039 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-26 02:12:16,039 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-26 02:12:16,040 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 02:12:16,040 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 02:12:16,040 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 02:12:16,040 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 02:12:16,041 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 02:12:16,041 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 02:12:16,041 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 02:12:16,041 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 02:12:16,041 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 02:12:16,041 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 02:12:16,042 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 02:12:16,042 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 02:12:16,042 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 02:12:16,042 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 02:12:16,042 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 02:12:16,042 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 02:12:16,043 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 02:12:16,043 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 02:12:16,043 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-26 02:12:16,043 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 02:12:16,043 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 02:12:16,044 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 02:12:16,044 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_61ac348b-6ace-42b3-b111-fed7e99b5d47/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 -> 9a9facaada73db60539ede7a668b71ce2a4ae420 [2019-11-26 02:12:16,177 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 02:12:16,187 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 02:12:16,190 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 02:12:16,191 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 02:12:16,191 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 02:12:16,192 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_61ac348b-6ace-42b3-b111-fed7e99b5d47/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec2_product26.cil.c [2019-11-26 02:12:16,243 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_61ac348b-6ace-42b3-b111-fed7e99b5d47/bin/utaipan/data/daa4ed90d/e58ff8bfef1d4c44a18862f890c23eef/FLAG545040320 [2019-11-26 02:12:16,649 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 02:12:16,650 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_61ac348b-6ace-42b3-b111-fed7e99b5d47/sv-benchmarks/c/product-lines/minepump_spec2_product26.cil.c [2019-11-26 02:12:16,662 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_61ac348b-6ace-42b3-b111-fed7e99b5d47/bin/utaipan/data/daa4ed90d/e58ff8bfef1d4c44a18862f890c23eef/FLAG545040320 [2019-11-26 02:12:16,674 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_61ac348b-6ace-42b3-b111-fed7e99b5d47/bin/utaipan/data/daa4ed90d/e58ff8bfef1d4c44a18862f890c23eef [2019-11-26 02:12:16,676 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 02:12:16,678 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-26 02:12:16,679 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 02:12:16,679 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 02:12:16,682 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 02:12:16,683 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:12:16" (1/1) ... [2019-11-26 02:12:16,685 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43664afa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:12:16, skipping insertion in model container [2019-11-26 02:12:16,685 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:12:16" (1/1) ... [2019-11-26 02:12:16,692 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 02:12:16,737 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-26 02:12:17,081 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:12:17,097 INFO L201 MainTranslator]: Completed pre-run [2019-11-26 02:12:17,182 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:12:17,214 INFO L205 MainTranslator]: Completed translation [2019-11-26 02:12:17,215 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:12:17 WrapperNode [2019-11-26 02:12:17,215 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 02:12:17,215 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 02:12:17,215 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 02:12:17,215 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 02:12:17,222 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:12:17" (1/1) ... [2019-11-26 02:12:17,242 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:12:17" (1/1) ... [2019-11-26 02:12:17,289 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 02:12:17,289 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 02:12:17,289 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 02:12:17,290 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 02:12:17,301 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:12:17" (1/1) ... [2019-11-26 02:12:17,301 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:12:17" (1/1) ... [2019-11-26 02:12:17,315 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:12:17" (1/1) ... [2019-11-26 02:12:17,315 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:12:17" (1/1) ... [2019-11-26 02:12:17,324 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:12:17" (1/1) ... [2019-11-26 02:12:17,346 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:12:17" (1/1) ... [2019-11-26 02:12:17,349 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:12:17" (1/1) ... [2019-11-26 02:12:17,352 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 02:12:17,352 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-26 02:12:17,352 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-26 02:12:17,353 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-26 02:12:17,353 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:12:17" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_61ac348b-6ace-42b3-b111-fed7e99b5d47/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 02:12:17,431 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-26 02:12:17,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-26 02:12:17,433 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-26 02:12:17,434 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-26 02:12:18,964 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-26 02:12:18,964 INFO L284 CfgBuilder]: Removed 100 assume(true) statements. [2019-11-26 02:12:18,965 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:12:18 BoogieIcfgContainer [2019-11-26 02:12:18,965 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-26 02:12:18,967 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-26 02:12:18,967 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-26 02:12:18,970 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-26 02:12:18,970 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 02:12:16" (1/3) ... [2019-11-26 02:12:18,971 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ef7b981 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 02:12:18, skipping insertion in model container [2019-11-26 02:12:18,971 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:12:17" (2/3) ... [2019-11-26 02:12:18,971 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ef7b981 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 02:12:18, skipping insertion in model container [2019-11-26 02:12:18,971 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:12:18" (3/3) ... [2019-11-26 02:12:18,978 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product26.cil.c [2019-11-26 02:12:18,987 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-26 02:12:18,995 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-11-26 02:12:19,005 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-11-26 02:12:19,029 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-26 02:12:19,030 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-26 02:12:19,030 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-26 02:12:19,030 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-26 02:12:19,030 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-26 02:12:19,031 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-26 02:12:19,032 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-26 02:12:19,032 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-26 02:12:19,048 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states. [2019-11-26 02:12:19,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-11-26 02:12:19,056 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 02:12:19,056 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-11-26 02:12:19,057 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-26 02:12:19,062 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:12:19,062 INFO L82 PathProgramCache]: Analyzing trace with hash 1458784155, now seen corresponding path program 1 times [2019-11-26 02:12:19,071 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-26 02:12:19,072 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1659479591] [2019-11-26 02:12:19,072 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-26 02:12:19,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:12:19,313 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 02:12:19,314 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1659479591] [2019-11-26 02:12:19,314 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-26 02:12:19,315 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-26 02:12:19,315 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1896370023] [2019-11-26 02:12:19,319 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-26 02:12:19,320 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-26 02:12:19,332 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-26 02:12:19,333 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-26 02:12:19,335 INFO L87 Difference]: Start difference. First operand 26 states. Second operand 3 states. [2019-11-26 02:12:19,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 02:12:19,412 INFO L93 Difference]: Finished difference Result 68 states and 105 transitions. [2019-11-26 02:12:19,412 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-26 02:12:19,413 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2019-11-26 02:12:19,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 02:12:19,422 INFO L225 Difference]: With dead ends: 68 [2019-11-26 02:12:19,422 INFO L226 Difference]: Without dead ends: 40 [2019-11-26 02:12:19,425 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-26 02:12:19,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2019-11-26 02:12:19,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2019-11-26 02:12:19,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2019-11-26 02:12:19,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 54 transitions. [2019-11-26 02:12:19,461 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 54 transitions. Word has length 8 [2019-11-26 02:12:19,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 02:12:19,462 INFO L462 AbstractCegarLoop]: Abstraction has 40 states and 54 transitions. [2019-11-26 02:12:19,462 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-26 02:12:19,462 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 54 transitions. [2019-11-26 02:12:19,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-11-26 02:12:19,463 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 02:12:19,463 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1] [2019-11-26 02:12:19,463 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-26 02:12:19,464 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:12:19,464 INFO L82 PathProgramCache]: Analyzing trace with hash -764770873, now seen corresponding path program 1 times [2019-11-26 02:12:19,464 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-26 02:12:19,464 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1641344065] [2019-11-26 02:12:19,464 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-26 02:12:19,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:12:19,791 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:12:19,791 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1641344065] [2019-11-26 02:12:19,792 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [29908326] [2019-11-26 02:12:19,792 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_61ac348b-6ace-42b3-b111-fed7e99b5d47/bin/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-26 02:12:19,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:12:19,962 INFO L255 TraceCheckSpWp]: Trace formula consists of 354 conjuncts, 10 conjunts are in the unsatisfiable core [2019-11-26 02:12:19,968 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-26 02:12:20,002 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-26 02:12:20,002 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-26 02:12:20,017 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:12:20,019 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:12:20,025 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:12:20,032 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-26 02:12:20,033 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2019-11-26 02:12:20,033 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [5] total 6 [2019-11-26 02:12:20,034 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [916329100] [2019-11-26 02:12:20,035 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-26 02:12:20,035 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-26 02:12:20,036 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-26 02:12:20,037 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2019-11-26 02:12:20,037 INFO L87 Difference]: Start difference. First operand 40 states and 54 transitions. Second operand 4 states. [2019-11-26 02:12:20,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 02:12:20,103 INFO L93 Difference]: Finished difference Result 60 states and 82 transitions. [2019-11-26 02:12:20,105 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-26 02:12:20,105 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 13 [2019-11-26 02:12:20,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 02:12:20,105 INFO L225 Difference]: With dead ends: 60 [2019-11-26 02:12:20,105 INFO L226 Difference]: Without dead ends: 0 [2019-11-26 02:12:20,106 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 26 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2019-11-26 02:12:20,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-26 02:12:20,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-26 02:12:20,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-26 02:12:20,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-26 02:12:20,107 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 13 [2019-11-26 02:12:20,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 02:12:20,108 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-26 02:12:20,108 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-26 02:12:20,108 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-26 02:12:20,108 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-26 02:12:20,315 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-26 02:12:20,318 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-26 02:12:20,466 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 319) no Hoare annotation was computed. [2019-11-26 02:12:20,466 INFO L444 ceAbstractionStarter]: For program point L102(lines 102 112) no Hoare annotation was computed. [2019-11-26 02:12:20,466 INFO L444 ceAbstractionStarter]: For program point L102-2(lines 102 112) no Hoare annotation was computed. [2019-11-26 02:12:20,466 INFO L444 ceAbstractionStarter]: For program point L102-4(lines 102 112) no Hoare annotation was computed. [2019-11-26 02:12:20,467 INFO L447 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-11-26 02:12:20,467 INFO L440 ceAbstractionStarter]: At program point L136(lines 136 140) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) [2019-11-26 02:12:20,467 INFO L444 ceAbstractionStarter]: For program point L103(lines 103 109) no Hoare annotation was computed. [2019-11-26 02:12:20,467 INFO L444 ceAbstractionStarter]: For program point L103-2(lines 103 109) no Hoare annotation was computed. [2019-11-26 02:12:20,467 INFO L444 ceAbstractionStarter]: For program point L103-4(lines 103 109) no Hoare annotation was computed. [2019-11-26 02:12:20,468 INFO L440 ceAbstractionStarter]: At program point L929(lines 880 930) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) [2019-11-26 02:12:20,468 INFO L444 ceAbstractionStarter]: For program point L319(line 319) no Hoare annotation was computed. [2019-11-26 02:12:20,468 INFO L444 ceAbstractionStarter]: For program point L319-1(line 319) no Hoare annotation was computed. [2019-11-26 02:12:20,468 INFO L444 ceAbstractionStarter]: For program point L319-2(line 319) no Hoare annotation was computed. [2019-11-26 02:12:20,468 INFO L440 ceAbstractionStarter]: At program point L882(lines 881 928) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) [2019-11-26 02:12:20,468 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-26 02:12:20,468 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 319) no Hoare annotation was computed. [2019-11-26 02:12:20,468 INFO L440 ceAbstractionStarter]: At program point L208(lines 208 215) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) [2019-11-26 02:12:20,469 INFO L447 ceAbstractionStarter]: At program point L208-1(lines 208 215) the Hoare annotation is: true [2019-11-26 02:12:20,469 INFO L440 ceAbstractionStarter]: At program point L98(lines 98 115) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) [2019-11-26 02:12:20,469 INFO L440 ceAbstractionStarter]: At program point L98-1(lines 1 936) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) [2019-11-26 02:12:20,469 INFO L440 ceAbstractionStarter]: At program point L98-2(lines 98 115) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) [2019-11-26 02:12:20,469 INFO L440 ceAbstractionStarter]: At program point L98-3(lines 1 936) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) [2019-11-26 02:12:20,469 INFO L440 ceAbstractionStarter]: At program point L98-4(lines 98 115) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) [2019-11-26 02:12:20,470 INFO L440 ceAbstractionStarter]: At program point L98-5(lines 1 936) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) [2019-11-26 02:12:20,470 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 319) no Hoare annotation was computed. [2019-11-26 02:12:20,470 INFO L440 ceAbstractionStarter]: At program point L132-2(lines 132 146) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) [2019-11-26 02:12:20,494 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 02:12:20 BoogieIcfgContainer [2019-11-26 02:12:20,494 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-26 02:12:20,494 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-26 02:12:20,495 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-26 02:12:20,495 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-26 02:12:20,495 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:12:18" (3/4) ... [2019-11-26 02:12:20,510 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-26 02:12:20,532 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 79 nodes and edges [2019-11-26 02:12:20,533 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2019-11-26 02:12:20,534 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2019-11-26 02:12:20,535 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-11-26 02:12:20,536 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-26 02:12:20,537 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-26 02:12:20,538 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-26 02:12:20,648 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_61ac348b-6ace-42b3-b111-fed7e99b5d47/bin/utaipan/witness.graphml [2019-11-26 02:12:20,649 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-26 02:12:20,650 INFO L168 Benchmark]: Toolchain (without parser) took 3972.47 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.6 MB). Free memory was 946.1 MB in the beginning and 1.1 GB in the end (delta: -168.8 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:12:20,651 INFO L168 Benchmark]: CDTParser took 0.19 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 02:12:20,651 INFO L168 Benchmark]: CACSL2BoogieTranslator took 536.06 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.6 MB). Free memory was 940.7 MB in the beginning and 1.1 GB in the end (delta: -186.0 MB). Peak memory consumption was 17.7 MB. Max. memory is 11.5 GB. [2019-11-26 02:12:20,651 INFO L168 Benchmark]: Boogie Procedure Inliner took 73.77 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-11-26 02:12:20,652 INFO L168 Benchmark]: Boogie Preprocessor took 62.80 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 02:12:20,652 INFO L168 Benchmark]: RCFGBuilder took 1613.11 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 989.2 MB in the end (delta: 130.7 MB). Peak memory consumption was 130.7 MB. Max. memory is 11.5 GB. [2019-11-26 02:12:20,652 INFO L168 Benchmark]: TraceAbstraction took 1526.79 ms. Allocated memory is still 1.2 GB. Free memory was 989.2 MB in the beginning and 1.1 GB in the end (delta: -137.6 MB). Peak memory consumption was 123.6 MB. Max. memory is 11.5 GB. [2019-11-26 02:12:20,653 INFO L168 Benchmark]: Witness Printer took 154.31 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: 12.0 MB). Peak memory consumption was 12.0 MB. Max. memory is 11.5 GB. [2019-11-26 02:12:20,654 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 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 536.06 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.6 MB). Free memory was 940.7 MB in the beginning and 1.1 GB in the end (delta: -186.0 MB). Peak memory consumption was 17.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 73.77 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 62.80 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 1613.11 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 989.2 MB in the end (delta: 130.7 MB). Peak memory consumption was 130.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1526.79 ms. Allocated memory is still 1.2 GB. Free memory was 989.2 MB in the beginning and 1.1 GB in the end (delta: -137.6 MB). Peak memory consumption was 123.6 MB. Max. memory is 11.5 GB. * Witness Printer took 154.31 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: 12.0 MB). Peak memory consumption was 12.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 319]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 319]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 319]: 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: 208]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 208]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == methAndRunningLastTime - InvariantResult [Line: 880]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == methAndRunningLastTime - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == methAndRunningLastTime - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == methAndRunningLastTime - InvariantResult [Line: 98]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == methAndRunningLastTime - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == methAndRunningLastTime - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 98]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == methAndRunningLastTime - InvariantResult [Line: 881]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == methAndRunningLastTime - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == methAndRunningLastTime - InvariantResult [Line: 98]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == methAndRunningLastTime - InvariantResult [Line: 132]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == methAndRunningLastTime - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 26 locations, 3 error locations. Result: SAFE, OverallTime: 1.4s, OverallIterations: 2, TraceHistogramMax: 2, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, HoareTripleCheckerStatistics: 46 SDtfs, 34 SDslu, 29 SDs, 0 SdLazy, 27 SolverSat, 21 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 35 GetRequests, 28 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=40occurred in iteration=1, 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, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 13 LocationsWithAnnotation, 13 PreInvPairs, 32 NumberOfFragments, 79 HoareAnnotationTreeSize, 13 FomulaSimplifications, 77 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 13 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 34 NumberOfCodeBlocks, 34 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 43 ConstructedInterpolants, 0 QuantifiedInterpolants, 1223 SizeOfPredicates, 13 NumberOfNonLiveVariables, 354 ConjunctsInSsa, 10 ConjunctsInUnsatCore, 4 InterpolantComputations, 3 PerfectInterpolantSequences, 10/15 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...