./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product18.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_1ec33a2e-1873-4fde-bbb3-e56dda105bbc/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_1ec33a2e-1873-4fde-bbb3-e56dda105bbc/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_1ec33a2e-1873-4fde-bbb3-e56dda105bbc/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_1ec33a2e-1873-4fde-bbb3-e56dda105bbc/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product18.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_1ec33a2e-1873-4fde-bbb3-e56dda105bbc/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_1ec33a2e-1873-4fde-bbb3-e56dda105bbc/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 e10040ad9d006089566ac73bab5ec598c71c2723 ................................................................................................................................................................................................................................................................................................................................................................................................ 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 02:48:25,799 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 02:48:25,800 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 02:48:25,810 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 02:48:25,813 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 02:48:25,815 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 02:48:25,816 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 02:48:25,825 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 02:48:25,829 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 02:48:25,832 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 02:48:25,834 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 02:48:25,835 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 02:48:25,836 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 02:48:25,837 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 02:48:25,838 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 02:48:25,839 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 02:48:25,840 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 02:48:25,842 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 02:48:25,845 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 02:48:25,848 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 02:48:25,852 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 02:48:25,856 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 02:48:25,857 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 02:48:25,858 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 02:48:25,861 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 02:48:25,861 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 02:48:25,862 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 02:48:25,863 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 02:48:25,864 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 02:48:25,864 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 02:48:25,865 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 02:48:25,865 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 02:48:25,866 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 02:48:25,867 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 02:48:25,868 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 02:48:25,868 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 02:48:25,868 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 02:48:25,869 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 02:48:25,869 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 02:48:25,869 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 02:48:25,871 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 02:48:25,871 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_1ec33a2e-1873-4fde-bbb3-e56dda105bbc/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-11-26 02:48:25,897 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 02:48:25,906 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 02:48:25,907 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-26 02:48:25,907 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-26 02:48:25,907 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-26 02:48:25,908 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-26 02:48:25,908 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-26 02:48:25,908 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-26 02:48:25,908 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-26 02:48:25,908 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-26 02:48:25,909 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-26 02:48:25,909 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-26 02:48:25,909 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-26 02:48:25,909 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-26 02:48:25,911 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-26 02:48:25,911 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 02:48:25,911 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 02:48:25,912 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 02:48:25,912 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 02:48:25,912 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 02:48:25,912 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 02:48:25,912 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 02:48:25,913 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 02:48:25,913 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 02:48:25,913 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 02:48:25,913 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 02:48:25,914 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 02:48:25,914 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 02:48:25,914 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 02:48:25,914 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 02:48:25,915 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 02:48:25,915 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 02:48:25,915 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 02:48:25,915 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-26 02:48:25,915 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 02:48:25,916 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 02:48:25,916 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 02:48:25,916 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_1ec33a2e-1873-4fde-bbb3-e56dda105bbc/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 -> e10040ad9d006089566ac73bab5ec598c71c2723 [2019-11-26 02:48:26,056 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 02:48:26,066 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 02:48:26,069 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 02:48:26,071 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 02:48:26,071 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 02:48:26,072 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_1ec33a2e-1873-4fde-bbb3-e56dda105bbc/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec2_product18.cil.c [2019-11-26 02:48:26,127 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_1ec33a2e-1873-4fde-bbb3-e56dda105bbc/bin/utaipan/data/5099df78c/81853d066d674f06ae5ffa2a224e685c/FLAGdb6a8ae15 [2019-11-26 02:48:26,554 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 02:48:26,557 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_1ec33a2e-1873-4fde-bbb3-e56dda105bbc/sv-benchmarks/c/product-lines/minepump_spec2_product18.cil.c [2019-11-26 02:48:26,576 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_1ec33a2e-1873-4fde-bbb3-e56dda105bbc/bin/utaipan/data/5099df78c/81853d066d674f06ae5ffa2a224e685c/FLAGdb6a8ae15 [2019-11-26 02:48:26,850 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_1ec33a2e-1873-4fde-bbb3-e56dda105bbc/bin/utaipan/data/5099df78c/81853d066d674f06ae5ffa2a224e685c [2019-11-26 02:48:26,852 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 02:48:26,854 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-26 02:48:26,854 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 02:48:26,855 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 02:48:26,859 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 02:48:26,859 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:48:26" (1/1) ... [2019-11-26 02:48:26,861 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53e2b7f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:48:26, skipping insertion in model container [2019-11-26 02:48:26,861 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:48:26" (1/1) ... [2019-11-26 02:48:26,867 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 02:48:26,915 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-26 02:48:27,254 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:48:27,271 INFO L201 MainTranslator]: Completed pre-run [2019-11-26 02:48:27,351 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:48:27,381 INFO L205 MainTranslator]: Completed translation [2019-11-26 02:48:27,381 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:48:27 WrapperNode [2019-11-26 02:48:27,381 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 02:48:27,382 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 02:48:27,382 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 02:48:27,383 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 02:48:27,390 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:48:27" (1/1) ... [2019-11-26 02:48:27,406 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:48:27" (1/1) ... [2019-11-26 02:48:27,436 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 02:48:27,437 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 02:48:27,437 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 02:48:27,437 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 02:48:27,446 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:48:27" (1/1) ... [2019-11-26 02:48:27,446 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:48:27" (1/1) ... [2019-11-26 02:48:27,450 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:48:27" (1/1) ... [2019-11-26 02:48:27,450 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:48:27" (1/1) ... [2019-11-26 02:48:27,459 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:48:27" (1/1) ... [2019-11-26 02:48:27,465 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:48:27" (1/1) ... [2019-11-26 02:48:27,467 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:48:27" (1/1) ... [2019-11-26 02:48:27,471 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 02:48:27,471 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-26 02:48:27,471 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-26 02:48:27,472 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-26 02:48:27,472 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:48:27" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1ec33a2e-1873-4fde-bbb3-e56dda105bbc/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 02:48:27,553 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-26 02:48:27,554 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-26 02:48:27,554 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-26 02:48:27,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-26 02:48:28,860 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-26 02:48:28,860 INFO L284 CfgBuilder]: Removed 100 assume(true) statements. [2019-11-26 02:48:28,861 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:48:28 BoogieIcfgContainer [2019-11-26 02:48:28,861 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-26 02:48:28,862 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-26 02:48:28,863 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-26 02:48:28,865 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-26 02:48:28,866 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 02:48:26" (1/3) ... [2019-11-26 02:48:28,867 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f2629a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 02:48:28, skipping insertion in model container [2019-11-26 02:48:28,869 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:48:27" (2/3) ... [2019-11-26 02:48:28,870 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f2629a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 02:48:28, skipping insertion in model container [2019-11-26 02:48:28,870 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:48:28" (3/3) ... [2019-11-26 02:48:28,874 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product18.cil.c [2019-11-26 02:48:28,880 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-26 02:48:28,885 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-11-26 02:48:28,892 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-11-26 02:48:28,910 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-26 02:48:28,910 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-26 02:48:28,910 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-26 02:48:28,910 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-26 02:48:28,910 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-26 02:48:28,910 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-26 02:48:28,911 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-26 02:48:28,911 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-26 02:48:28,923 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states. [2019-11-26 02:48:28,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-11-26 02:48:28,927 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 02:48:28,927 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-11-26 02:48:28,928 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-26 02:48:28,933 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:48:28,933 INFO L82 PathProgramCache]: Analyzing trace with hash 2023829692, now seen corresponding path program 1 times [2019-11-26 02:48:28,941 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-26 02:48:28,942 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1342497240] [2019-11-26 02:48:28,942 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-26 02:48:29,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:48:29,133 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 02:48:29,133 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1342497240] [2019-11-26 02:48:29,134 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-26 02:48:29,134 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-26 02:48:29,135 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [685165380] [2019-11-26 02:48:29,139 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-26 02:48:29,139 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-26 02:48:29,151 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-26 02:48:29,152 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-26 02:48:29,154 INFO L87 Difference]: Start difference. First operand 26 states. Second operand 2 states. [2019-11-26 02:48:29,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 02:48:29,172 INFO L93 Difference]: Finished difference Result 50 states and 75 transitions. [2019-11-26 02:48:29,172 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-26 02:48:29,173 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 8 [2019-11-26 02:48:29,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 02:48:29,183 INFO L225 Difference]: With dead ends: 50 [2019-11-26 02:48:29,183 INFO L226 Difference]: Without dead ends: 24 [2019-11-26 02:48:29,186 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-26 02:48:29,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2019-11-26 02:48:29,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24. [2019-11-26 02:48:29,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2019-11-26 02:48:29,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 31 transitions. [2019-11-26 02:48:29,219 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 31 transitions. Word has length 8 [2019-11-26 02:48:29,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 02:48:29,219 INFO L462 AbstractCegarLoop]: Abstraction has 24 states and 31 transitions. [2019-11-26 02:48:29,219 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-26 02:48:29,219 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 31 transitions. [2019-11-26 02:48:29,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-11-26 02:48:29,220 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 02:48:29,220 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-11-26 02:48:29,221 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-26 02:48:29,221 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:48:29,221 INFO L82 PathProgramCache]: Analyzing trace with hash -205928707, now seen corresponding path program 1 times [2019-11-26 02:48:29,221 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-26 02:48:29,221 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1175450975] [2019-11-26 02:48:29,222 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-26 02:48:29,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:48:29,336 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 02:48:29,336 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1175450975] [2019-11-26 02:48:29,337 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-26 02:48:29,337 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-26 02:48:29,337 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [911623487] [2019-11-26 02:48:29,338 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-26 02:48:29,339 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-26 02:48:29,339 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-26 02:48:29,339 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-26 02:48:29,339 INFO L87 Difference]: Start difference. First operand 24 states and 31 transitions. Second operand 3 states. [2019-11-26 02:48:29,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 02:48:29,407 INFO L93 Difference]: Finished difference Result 46 states and 60 transitions. [2019-11-26 02:48:29,408 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-26 02:48:29,408 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2019-11-26 02:48:29,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 02:48:29,409 INFO L225 Difference]: With dead ends: 46 [2019-11-26 02:48:29,409 INFO L226 Difference]: Without dead ends: 40 [2019-11-26 02:48:29,410 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 02:48:29,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2019-11-26 02:48:29,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2019-11-26 02:48:29,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2019-11-26 02:48:29,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 54 transitions. [2019-11-26 02:48:29,422 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 54 transitions. Word has length 8 [2019-11-26 02:48:29,422 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 02:48:29,422 INFO L462 AbstractCegarLoop]: Abstraction has 40 states and 54 transitions. [2019-11-26 02:48:29,422 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-26 02:48:29,423 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 54 transitions. [2019-11-26 02:48:29,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-11-26 02:48:29,424 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 02:48:29,424 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1] [2019-11-26 02:48:29,425 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-26 02:48:29,425 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:48:29,425 INFO L82 PathProgramCache]: Analyzing trace with hash -1609209113, now seen corresponding path program 1 times [2019-11-26 02:48:29,426 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-26 02:48:29,426 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1886845636] [2019-11-26 02:48:29,427 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-26 02:48:29,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:48:29,615 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 02:48:29,615 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1886845636] [2019-11-26 02:48:29,616 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-26 02:48:29,616 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-26 02:48:29,616 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [134737504] [2019-11-26 02:48:29,617 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-26 02:48:29,617 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-26 02:48:29,617 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-26 02:48:29,617 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-26 02:48:29,617 INFO L87 Difference]: Start difference. First operand 40 states and 54 transitions. Second operand 4 states. [2019-11-26 02:48:29,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 02:48:29,678 INFO L93 Difference]: Finished difference Result 60 states and 82 transitions. [2019-11-26 02:48:29,680 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-26 02:48:29,680 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 13 [2019-11-26 02:48:29,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 02:48:29,681 INFO L225 Difference]: With dead ends: 60 [2019-11-26 02:48:29,681 INFO L226 Difference]: Without dead ends: 0 [2019-11-26 02:48:29,682 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 02:48:29,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-26 02:48:29,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-26 02:48:29,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-26 02:48:29,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-26 02:48:29,683 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 13 [2019-11-26 02:48:29,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 02:48:29,683 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-26 02:48:29,683 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-26 02:48:29,683 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-26 02:48:29,683 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-26 02:48:29,688 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-26 02:48:29,761 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 917) no Hoare annotation was computed. [2019-11-26 02:48:29,761 INFO L444 ceAbstractionStarter]: For program point L895(lines 895 905) no Hoare annotation was computed. [2019-11-26 02:48:29,761 INFO L447 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-11-26 02:48:29,762 INFO L444 ceAbstractionStarter]: For program point L895-2(lines 895 905) no Hoare annotation was computed. [2019-11-26 02:48:29,762 INFO L444 ceAbstractionStarter]: For program point L895-4(lines 895 905) no Hoare annotation was computed. [2019-11-26 02:48:29,762 INFO L444 ceAbstractionStarter]: For program point L896(lines 896 902) no Hoare annotation was computed. [2019-11-26 02:48:29,762 INFO L444 ceAbstractionStarter]: For program point L896-2(lines 896 902) no Hoare annotation was computed. [2019-11-26 02:48:29,762 INFO L444 ceAbstractionStarter]: For program point L896-4(lines 896 902) no Hoare annotation was computed. [2019-11-26 02:48:29,762 INFO L440 ceAbstractionStarter]: At program point L368(lines 368 375) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) [2019-11-26 02:48:29,762 INFO L447 ceAbstractionStarter]: At program point L368-1(lines 368 375) the Hoare annotation is: true [2019-11-26 02:48:29,763 INFO L440 ceAbstractionStarter]: At program point L272(lines 223 273) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) [2019-11-26 02:48:29,763 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-26 02:48:29,763 INFO L444 ceAbstractionStarter]: For program point L917(line 917) no Hoare annotation was computed. [2019-11-26 02:48:29,763 INFO L444 ceAbstractionStarter]: For program point L917-1(line 917) no Hoare annotation was computed. [2019-11-26 02:48:29,763 INFO L444 ceAbstractionStarter]: For program point L917-2(line 917) no Hoare annotation was computed. [2019-11-26 02:48:29,763 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 917) no Hoare annotation was computed. [2019-11-26 02:48:29,764 INFO L440 ceAbstractionStarter]: At program point L225(lines 224 271) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) [2019-11-26 02:48:29,764 INFO L440 ceAbstractionStarter]: At program point L292-2(lines 292 306) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) [2019-11-26 02:48:29,764 INFO L440 ceAbstractionStarter]: At program point L296(lines 296 300) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) [2019-11-26 02:48:29,764 INFO L440 ceAbstractionStarter]: At program point L891(lines 891 908) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) [2019-11-26 02:48:29,764 INFO L440 ceAbstractionStarter]: At program point L891-1(lines 1 920) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) [2019-11-26 02:48:29,764 INFO L440 ceAbstractionStarter]: At program point L891-2(lines 891 908) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) [2019-11-26 02:48:29,765 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 917) no Hoare annotation was computed. [2019-11-26 02:48:29,765 INFO L440 ceAbstractionStarter]: At program point L891-3(lines 1 920) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) [2019-11-26 02:48:29,765 INFO L440 ceAbstractionStarter]: At program point L891-4(lines 891 908) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) [2019-11-26 02:48:29,765 INFO L440 ceAbstractionStarter]: At program point L891-5(lines 1 920) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) [2019-11-26 02:48:29,782 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 02:48:29 BoogieIcfgContainer [2019-11-26 02:48:29,782 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-26 02:48:29,783 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-26 02:48:29,783 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-26 02:48:29,783 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-26 02:48:29,784 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:48:28" (3/4) ... [2019-11-26 02:48:29,788 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-26 02:48:29,819 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 77 nodes and edges [2019-11-26 02:48:29,821 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 28 nodes and edges [2019-11-26 02:48:29,821 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2019-11-26 02:48:29,822 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-11-26 02:48:29,823 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-26 02:48:29,824 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-26 02:48:29,825 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-26 02:48:29,927 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_1ec33a2e-1873-4fde-bbb3-e56dda105bbc/bin/utaipan/witness.graphml [2019-11-26 02:48:29,928 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-26 02:48:29,929 INFO L168 Benchmark]: Toolchain (without parser) took 3075.38 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 122.2 MB). Free memory was 939.4 MB in the beginning and 881.4 MB in the end (delta: 58.0 MB). Peak memory consumption was 180.2 MB. Max. memory is 11.5 GB. [2019-11-26 02:48:29,930 INFO L168 Benchmark]: CDTParser took 0.26 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 02:48:29,930 INFO L168 Benchmark]: CACSL2BoogieTranslator took 527.40 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 122.2 MB). Free memory was 939.4 MB in the beginning and 1.1 GB in the end (delta: -165.2 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. [2019-11-26 02:48:29,931 INFO L168 Benchmark]: Boogie Procedure Inliner took 54.33 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-11-26 02:48:29,931 INFO L168 Benchmark]: Boogie Preprocessor took 34.14 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: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 11.5 GB. [2019-11-26 02:48:29,932 INFO L168 Benchmark]: RCFGBuilder took 1390.41 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 957.9 MB in the end (delta: 138.2 MB). Peak memory consumption was 138.2 MB. Max. memory is 11.5 GB. [2019-11-26 02:48:29,932 INFO L168 Benchmark]: TraceAbstraction took 920.05 ms. Allocated memory is still 1.2 GB. Free memory was 957.9 MB in the beginning and 888.2 MB in the end (delta: 69.6 MB). Peak memory consumption was 69.6 MB. Max. memory is 11.5 GB. [2019-11-26 02:48:29,932 INFO L168 Benchmark]: Witness Printer took 144.96 ms. Allocated memory is still 1.2 GB. Free memory was 888.2 MB in the beginning and 881.4 MB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2019-11-26 02:48:29,934 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 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 527.40 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 122.2 MB). Free memory was 939.4 MB in the beginning and 1.1 GB in the end (delta: -165.2 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 54.33 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 34.14 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: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1390.41 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 957.9 MB in the end (delta: 138.2 MB). Peak memory consumption was 138.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 920.05 ms. Allocated memory is still 1.2 GB. Free memory was 957.9 MB in the beginning and 888.2 MB in the end (delta: 69.6 MB). Peak memory consumption was 69.6 MB. Max. memory is 11.5 GB. * Witness Printer took 144.96 ms. Allocated memory is still 1.2 GB. Free memory was 888.2 MB in the beginning and 881.4 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: 917]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 917]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 917]: 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: 891]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == methAndRunningLastTime - InvariantResult [Line: 223]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == methAndRunningLastTime - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == methAndRunningLastTime - InvariantResult [Line: 891]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == methAndRunningLastTime - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == methAndRunningLastTime - InvariantResult [Line: 296]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == methAndRunningLastTime - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 224]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == methAndRunningLastTime - InvariantResult [Line: 292]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == methAndRunningLastTime - InvariantResult [Line: 891]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == methAndRunningLastTime - InvariantResult [Line: 368]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == methAndRunningLastTime - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == methAndRunningLastTime - InvariantResult [Line: 368]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 26 locations, 3 error locations. Result: SAFE, OverallTime: 0.8s, OverallIterations: 3, TraceHistogramMax: 2, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 77 SDtfs, 31 SDslu, 27 SDs, 0 SdLazy, 27 SolverSat, 21 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 10 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=40occurred in iteration=2, 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, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 13 LocationsWithAnnotation, 13 PreInvPairs, 31 NumberOfFragments, 79 HoareAnnotationTreeSize, 13 FomulaSimplifications, 77 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 13 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 29 NumberOfCodeBlocks, 29 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 26 ConstructedInterpolants, 0 QuantifiedInterpolants, 432 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 5/5 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...