./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product10.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_f56b1837-0079-408b-afe9-2e8f91465435/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_f56b1837-0079-408b-afe9-2e8f91465435/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_f56b1837-0079-408b-afe9-2e8f91465435/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_f56b1837-0079-408b-afe9-2e8f91465435/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product10.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_f56b1837-0079-408b-afe9-2e8f91465435/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_f56b1837-0079-408b-afe9-2e8f91465435/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 70ea5eb10d82b903f50468d78668817b6c6916a6 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-10-22 11:25:11,057 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 11:25:11,058 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 11:25:11,068 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 11:25:11,068 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 11:25:11,069 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 11:25:11,070 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 11:25:11,071 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 11:25:11,072 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 11:25:11,073 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 11:25:11,074 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 11:25:11,075 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 11:25:11,075 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 11:25:11,076 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 11:25:11,076 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 11:25:11,077 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 11:25:11,078 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 11:25:11,078 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 11:25:11,080 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 11:25:11,081 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 11:25:11,082 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 11:25:11,083 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 11:25:11,084 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 11:25:11,085 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 11:25:11,087 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 11:25:11,087 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 11:25:11,087 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 11:25:11,088 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 11:25:11,088 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 11:25:11,089 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 11:25:11,089 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 11:25:11,090 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 11:25:11,090 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 11:25:11,091 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 11:25:11,092 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 11:25:11,092 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 11:25:11,092 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 11:25:11,092 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 11:25:11,093 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 11:25:11,093 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 11:25:11,094 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 11:25:11,094 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_f56b1837-0079-408b-afe9-2e8f91465435/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-10-22 11:25:11,106 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 11:25:11,106 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 11:25:11,107 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-22 11:25:11,107 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-22 11:25:11,107 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-22 11:25:11,107 INFO L138 SettingsManager]: * Explicit value domain=true [2019-10-22 11:25:11,108 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-10-22 11:25:11,108 INFO L138 SettingsManager]: * Octagon Domain=false [2019-10-22 11:25:11,108 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-10-22 11:25:11,108 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-10-22 11:25:11,108 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-10-22 11:25:11,109 INFO L138 SettingsManager]: * Interval Domain=false [2019-10-22 11:25:11,109 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 11:25:11,109 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 11:25:11,110 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 11:25:11,110 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 11:25:11,110 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 11:25:11,110 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 11:25:11,110 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 11:25:11,110 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 11:25:11,111 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 11:25:11,111 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 11:25:11,111 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 11:25:11,111 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 11:25:11,111 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 11:25:11,112 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 11:25:11,112 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 11:25:11,112 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 11:25:11,112 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 11:25:11,112 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 11:25:11,112 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 11:25:11,113 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-10-22 11:25:11,113 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 11:25:11,113 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 11:25:11,113 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-22 11:25:11,113 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/working_dir_f56b1837-0079-408b-afe9-2e8f91465435/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 -> 70ea5eb10d82b903f50468d78668817b6c6916a6 [2019-10-22 11:25:11,138 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 11:25:11,148 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 11:25:11,151 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 11:25:11,153 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 11:25:11,153 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 11:25:11,154 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_f56b1837-0079-408b-afe9-2e8f91465435/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec2_product10.cil.c [2019-10-22 11:25:11,206 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f56b1837-0079-408b-afe9-2e8f91465435/bin/utaipan/data/22d6e7921/c53247042c69470da7cc01a286df0ffd/FLAGb65759d9e [2019-10-22 11:25:11,640 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 11:25:11,641 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_f56b1837-0079-408b-afe9-2e8f91465435/sv-benchmarks/c/product-lines/minepump_spec2_product10.cil.c [2019-10-22 11:25:11,651 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f56b1837-0079-408b-afe9-2e8f91465435/bin/utaipan/data/22d6e7921/c53247042c69470da7cc01a286df0ffd/FLAGb65759d9e [2019-10-22 11:25:11,665 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_f56b1837-0079-408b-afe9-2e8f91465435/bin/utaipan/data/22d6e7921/c53247042c69470da7cc01a286df0ffd [2019-10-22 11:25:11,668 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 11:25:11,670 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 11:25:11,671 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 11:25:11,671 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 11:25:11,674 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 11:25:11,675 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:25:11" (1/1) ... [2019-10-22 11:25:11,677 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@101d338b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:25:11, skipping insertion in model container [2019-10-22 11:25:11,678 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:25:11" (1/1) ... [2019-10-22 11:25:11,685 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 11:25:11,726 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 11:25:12,051 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:25:12,073 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 11:25:12,178 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:25:12,201 INFO L192 MainTranslator]: Completed translation [2019-10-22 11:25:12,202 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:25:12 WrapperNode [2019-10-22 11:25:12,202 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 11:25:12,202 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 11:25:12,203 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 11:25:12,203 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 11:25:12,211 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:25:12" (1/1) ... [2019-10-22 11:25:12,226 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:25:12" (1/1) ... [2019-10-22 11:25:12,253 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 11:25:12,254 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 11:25:12,255 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 11:25:12,255 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 11:25:12,264 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:25:12" (1/1) ... [2019-10-22 11:25:12,264 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:25:12" (1/1) ... [2019-10-22 11:25:12,267 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:25:12" (1/1) ... [2019-10-22 11:25:12,267 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:25:12" (1/1) ... [2019-10-22 11:25:12,274 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:25:12" (1/1) ... [2019-10-22 11:25:12,290 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:25:12" (1/1) ... [2019-10-22 11:25:12,292 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:25:12" (1/1) ... [2019-10-22 11:25:12,295 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 11:25:12,295 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 11:25:12,295 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 11:25:12,295 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 11:25:12,296 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:25:12" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f56b1837-0079-408b-afe9-2e8f91465435/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 [2019-10-22 11:25:12,384 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 11:25:12,384 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-22 11:25:12,384 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 11:25:12,386 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 11:25:13,029 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 11:25:13,030 INFO L284 CfgBuilder]: Removed 70 assume(true) statements. [2019-10-22 11:25:13,031 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:25:13 BoogieIcfgContainer [2019-10-22 11:25:13,031 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 11:25:13,032 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 11:25:13,032 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 11:25:13,035 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 11:25:13,035 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 11:25:11" (1/3) ... [2019-10-22 11:25:13,036 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15b91adf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:25:13, skipping insertion in model container [2019-10-22 11:25:13,036 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:25:12" (2/3) ... [2019-10-22 11:25:13,036 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15b91adf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:25:13, skipping insertion in model container [2019-10-22 11:25:13,036 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:25:13" (3/3) ... [2019-10-22 11:25:13,038 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product10.cil.c [2019-10-22 11:25:13,047 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 11:25:13,054 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-10-22 11:25:13,064 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-10-22 11:25:13,085 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 11:25:13,086 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-22 11:25:13,086 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 11:25:13,086 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 11:25:13,086 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 11:25:13,087 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 11:25:13,087 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 11:25:13,087 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 11:25:13,101 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states. [2019-10-22 11:25:13,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-10-22 11:25:13,107 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:25:13,108 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:25:13,110 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:25:13,114 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:25:13,115 INFO L82 PathProgramCache]: Analyzing trace with hash -805652889, now seen corresponding path program 1 times [2019-10-22 11:25:13,121 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:25:13,121 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1671172757] [2019-10-22 11:25:13,122 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:25:13,122 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:25:13,122 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:25:13,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:25:13,303 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:25:13,304 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1671172757] [2019-10-22 11:25:13,305 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:25:13,305 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 11:25:13,305 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [433665349] [2019-10-22 11:25:13,309 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-22 11:25:13,311 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:25:13,324 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-22 11:25:13,324 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-22 11:25:13,326 INFO L87 Difference]: Start difference. First operand 61 states. Second operand 2 states. [2019-10-22 11:25:13,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:25:13,349 INFO L93 Difference]: Finished difference Result 115 states and 174 transitions. [2019-10-22 11:25:13,349 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-22 11:25:13,350 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2019-10-22 11:25:13,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:25:13,361 INFO L225 Difference]: With dead ends: 115 [2019-10-22 11:25:13,361 INFO L226 Difference]: Without dead ends: 57 [2019-10-22 11:25:13,364 INFO L600 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 [2019-10-22 11:25:13,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2019-10-22 11:25:13,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2019-10-22 11:25:13,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2019-10-22 11:25:13,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 79 transitions. [2019-10-22 11:25:13,400 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 79 transitions. Word has length 18 [2019-10-22 11:25:13,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:25:13,400 INFO L462 AbstractCegarLoop]: Abstraction has 57 states and 79 transitions. [2019-10-22 11:25:13,400 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-22 11:25:13,400 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 79 transitions. [2019-10-22 11:25:13,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-10-22 11:25:13,401 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:25:13,401 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:25:13,402 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:25:13,402 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:25:13,402 INFO L82 PathProgramCache]: Analyzing trace with hash -1024488858, now seen corresponding path program 1 times [2019-10-22 11:25:13,402 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:25:13,402 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [622893388] [2019-10-22 11:25:13,403 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:25:13,403 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:25:13,403 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:25:13,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:25:13,520 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:25:13,520 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [622893388] [2019-10-22 11:25:13,520 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:25:13,521 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 11:25:13,521 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1891612707] [2019-10-22 11:25:13,522 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 11:25:13,522 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:25:13,523 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 11:25:13,523 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:25:13,523 INFO L87 Difference]: Start difference. First operand 57 states and 79 transitions. Second operand 3 states. [2019-10-22 11:25:13,536 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:25:13,536 INFO L93 Difference]: Finished difference Result 57 states and 79 transitions. [2019-10-22 11:25:13,538 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 11:25:13,538 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2019-10-22 11:25:13,539 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:25:13,539 INFO L225 Difference]: With dead ends: 57 [2019-10-22 11:25:13,539 INFO L226 Difference]: Without dead ends: 29 [2019-10-22 11:25:13,540 INFO L600 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 [2019-10-22 11:25:13,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2019-10-22 11:25:13,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2019-10-22 11:25:13,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2019-10-22 11:25:13,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 40 transitions. [2019-10-22 11:25:13,544 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 40 transitions. Word has length 19 [2019-10-22 11:25:13,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:25:13,544 INFO L462 AbstractCegarLoop]: Abstraction has 29 states and 40 transitions. [2019-10-22 11:25:13,544 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 11:25:13,544 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 40 transitions. [2019-10-22 11:25:13,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-10-22 11:25:13,546 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:25:13,546 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:25:13,547 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:25:13,547 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:25:13,547 INFO L82 PathProgramCache]: Analyzing trace with hash -2087364582, now seen corresponding path program 1 times [2019-10-22 11:25:13,547 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:25:13,547 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [527274521] [2019-10-22 11:25:13,548 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:25:13,548 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:25:13,548 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:25:13,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:25:13,682 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:25:13,682 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [527274521] [2019-10-22 11:25:13,682 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:25:13,683 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 11:25:13,683 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [681607404] [2019-10-22 11:25:13,683 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 11:25:13,683 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:25:13,684 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 11:25:13,684 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 11:25:13,684 INFO L87 Difference]: Start difference. First operand 29 states and 40 transitions. Second operand 5 states. [2019-10-22 11:25:13,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:25:13,761 INFO L93 Difference]: Finished difference Result 112 states and 172 transitions. [2019-10-22 11:25:13,761 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-22 11:25:13,761 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2019-10-22 11:25:13,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:25:13,762 INFO L225 Difference]: With dead ends: 112 [2019-10-22 11:25:13,762 INFO L226 Difference]: Without dead ends: 90 [2019-10-22 11:25:13,763 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-10-22 11:25:13,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2019-10-22 11:25:13,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 46. [2019-10-22 11:25:13,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2019-10-22 11:25:13,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 65 transitions. [2019-10-22 11:25:13,771 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 65 transitions. Word has length 24 [2019-10-22 11:25:13,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:25:13,772 INFO L462 AbstractCegarLoop]: Abstraction has 46 states and 65 transitions. [2019-10-22 11:25:13,772 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 11:25:13,772 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 65 transitions. [2019-10-22 11:25:13,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-10-22 11:25:13,773 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:25:13,773 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:25:13,773 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:25:13,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:25:13,774 INFO L82 PathProgramCache]: Analyzing trace with hash -837026654, now seen corresponding path program 1 times [2019-10-22 11:25:13,774 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:25:13,774 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [577406772] [2019-10-22 11:25:13,774 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:25:13,774 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:25:13,774 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:25:13,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:25:13,877 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:25:13,877 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [577406772] [2019-10-22 11:25:13,877 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:25:13,877 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 11:25:13,878 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2007321416] [2019-10-22 11:25:13,878 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 11:25:13,878 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:25:13,878 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 11:25:13,879 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 11:25:13,879 INFO L87 Difference]: Start difference. First operand 46 states and 65 transitions. Second operand 5 states. [2019-10-22 11:25:13,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:25:13,926 INFO L93 Difference]: Finished difference Result 132 states and 196 transitions. [2019-10-22 11:25:13,927 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-22 11:25:13,927 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2019-10-22 11:25:13,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:25:13,927 INFO L225 Difference]: With dead ends: 132 [2019-10-22 11:25:13,927 INFO L226 Difference]: Without dead ends: 0 [2019-10-22 11:25:13,928 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-10-22 11:25:13,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-22 11:25:13,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-22 11:25:13,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-22 11:25:13,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-22 11:25:13,929 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 25 [2019-10-22 11:25:13,929 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:25:13,929 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 11:25:13,929 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 11:25:13,929 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-22 11:25:13,930 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-22 11:25:13,934 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-22 11:25:14,078 INFO L443 ceAbstractionStarter]: For program point L85(lines 85 89) no Hoare annotation was computed. [2019-10-22 11:25:14,079 INFO L446 ceAbstractionStarter]: At program point L878(lines 859 881) the Hoare annotation is: true [2019-10-22 11:25:14,079 INFO L439 ceAbstractionStarter]: At program point L845(lines 841 847) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) [2019-10-22 11:25:14,079 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-10-22 11:25:14,079 INFO L443 ceAbstractionStarter]: For program point L582(lines 582 595) no Hoare annotation was computed. [2019-10-22 11:25:14,079 INFO L443 ceAbstractionStarter]: For program point L764(lines 764 781) no Hoare annotation was computed. [2019-10-22 11:25:14,079 INFO L439 ceAbstractionStarter]: At program point L764-1(lines 1 881) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 11:25:14,079 INFO L439 ceAbstractionStarter]: At program point L797-2(lines 797 811) the Hoare annotation is: false [2019-10-22 11:25:14,080 INFO L439 ceAbstractionStarter]: At program point L698(lines 693 701) the Hoare annotation is: (and (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 11:25:14,080 INFO L443 ceAbstractionStarter]: For program point L764-2(lines 764 781) no Hoare annotation was computed. [2019-10-22 11:25:14,080 INFO L439 ceAbstractionStarter]: At program point L698-1(lines 693 701) the Hoare annotation is: false [2019-10-22 11:25:14,080 INFO L439 ceAbstractionStarter]: At program point L764-3(lines 1 881) the Hoare annotation is: false [2019-10-22 11:25:14,080 INFO L443 ceAbstractionStarter]: For program point L764-4(lines 764 781) no Hoare annotation was computed. [2019-10-22 11:25:14,080 INFO L439 ceAbstractionStarter]: At program point L698-2(lines 693 701) the Hoare annotation is: false [2019-10-22 11:25:14,080 INFO L439 ceAbstractionStarter]: At program point L764-5(lines 1 881) the Hoare annotation is: false [2019-10-22 11:25:14,080 INFO L443 ceAbstractionStarter]: For program point L798(line 798) no Hoare annotation was computed. [2019-10-22 11:25:14,081 INFO L439 ceAbstractionStarter]: At program point L600(lines 551 601) the Hoare annotation is: false [2019-10-22 11:25:14,081 INFO L439 ceAbstractionStarter]: At program point L534(lines 529 537) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) [2019-10-22 11:25:14,081 INFO L443 ceAbstractionStarter]: For program point L73(lines 73 77) no Hoare annotation was computed. [2019-10-22 11:25:14,081 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-10-22 11:25:14,081 INFO L443 ceAbstractionStarter]: For program point L553(lines 552 599) no Hoare annotation was computed. [2019-10-22 11:25:14,081 INFO L443 ceAbstractionStarter]: For program point L801(lines 801 805) no Hoare annotation was computed. [2019-10-22 11:25:14,082 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-22 11:25:14,082 INFO L443 ceAbstractionStarter]: For program point L768(lines 768 778) no Hoare annotation was computed. [2019-10-22 11:25:14,082 INFO L443 ceAbstractionStarter]: For program point L801-1(lines 621 627) no Hoare annotation was computed. [2019-10-22 11:25:14,082 INFO L443 ceAbstractionStarter]: For program point L768-2(lines 768 778) no Hoare annotation was computed. [2019-10-22 11:25:14,082 INFO L443 ceAbstractionStarter]: For program point L768-4(lines 768 778) no Hoare annotation was computed. [2019-10-22 11:25:14,082 INFO L443 ceAbstractionStarter]: For program point L554(lines 554 558) no Hoare annotation was computed. [2019-10-22 11:25:14,082 INFO L443 ceAbstractionStarter]: For program point L769(lines 769 775) no Hoare annotation was computed. [2019-10-22 11:25:14,082 INFO L443 ceAbstractionStarter]: For program point L769-2(lines 769 775) no Hoare annotation was computed. [2019-10-22 11:25:14,083 INFO L443 ceAbstractionStarter]: For program point L769-4(lines 769 775) no Hoare annotation was computed. [2019-10-22 11:25:14,083 INFO L439 ceAbstractionStarter]: At program point L753(lines 748 755) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) [2019-10-22 11:25:14,083 INFO L439 ceAbstractionStarter]: At program point L621(lines 620 639) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 11:25:14,083 INFO L443 ceAbstractionStarter]: For program point L621-1(lines 621 627) no Hoare annotation was computed. [2019-10-22 11:25:14,083 INFO L439 ceAbstractionStarter]: At program point L621-2(lines 620 639) the Hoare annotation is: false [2019-10-22 11:25:14,083 INFO L439 ceAbstractionStarter]: At program point L621-3(lines 620 639) the Hoare annotation is: false [2019-10-22 11:25:14,083 INFO L443 ceAbstractionStarter]: For program point L869(lines 869 876) no Hoare annotation was computed. [2019-10-22 11:25:14,084 INFO L446 ceAbstractionStarter]: At program point L869-1(lines 869 876) the Hoare annotation is: true [2019-10-22 11:25:14,084 INFO L443 ceAbstractionStarter]: For program point L572(lines 572 578) no Hoare annotation was computed. [2019-10-22 11:25:14,084 INFO L439 ceAbstractionStarter]: At program point L572-1(lines 572 578) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 11:25:14,084 INFO L443 ceAbstractionStarter]: For program point L44(line 44) no Hoare annotation was computed. [2019-10-22 11:25:14,084 INFO L443 ceAbstractionStarter]: For program point L44-1(line 44) no Hoare annotation was computed. [2019-10-22 11:25:14,084 INFO L443 ceAbstractionStarter]: For program point L44-2(line 44) no Hoare annotation was computed. [2019-10-22 11:25:14,084 INFO L443 ceAbstractionStarter]: For program point L61(lines 61 65) no Hoare annotation was computed. [2019-10-22 11:25:14,085 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-10-22 11:25:14,085 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-22 11:25:14,085 INFO L443 ceAbstractionStarter]: For program point L61-3(lines 61 65) no Hoare annotation was computed. [2019-10-22 11:25:14,085 INFO L443 ceAbstractionStarter]: For program point L61-6(lines 61 65) no Hoare annotation was computed. [2019-10-22 11:25:14,085 INFO L443 ceAbstractionStarter]: For program point L590(lines 590 594) no Hoare annotation was computed. [2019-10-22 11:25:14,085 INFO L439 ceAbstractionStarter]: At program point L590-2(lines 621 627) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 11:25:14,089 INFO L439 ceAbstractionStarter]: At program point L526(lines 1 881) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) [2019-10-22 11:25:14,091 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-10-22 11:25:14,092 INFO L439 ceAbstractionStarter]: At program point L98(lines 93 101) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 11:25:14,093 INFO L439 ceAbstractionStarter]: At program point L98-1(lines 93 101) the Hoare annotation is: false [2019-10-22 11:25:14,094 INFO L439 ceAbstractionStarter]: At program point L98-2(lines 93 101) the Hoare annotation is: false [2019-10-22 11:25:14,095 INFO L443 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-10-22 11:25:14,096 INFO L439 ceAbstractionStarter]: At program point L628(lines 628 634) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 11:25:14,097 INFO L439 ceAbstractionStarter]: At program point L628-1(lines 628 634) the Hoare annotation is: false [2019-10-22 11:25:14,097 INFO L443 ceAbstractionStarter]: For program point L562(lines 562 568) no Hoare annotation was computed. [2019-10-22 11:25:14,098 INFO L439 ceAbstractionStarter]: At program point L628-2(lines 628 634) the Hoare annotation is: false [2019-10-22 11:25:14,101 INFO L439 ceAbstractionStarter]: At program point L562-1(lines 562 568) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 11:25:14,119 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 11:25:14 BoogieIcfgContainer [2019-10-22 11:25:14,119 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-22 11:25:14,119 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 11:25:14,120 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 11:25:14,120 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 11:25:14,120 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:25:13" (3/4) ... [2019-10-22 11:25:14,124 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-10-22 11:25:14,138 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-10-22 11:25:14,138 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2019-10-22 11:25:14,138 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-10-22 11:25:14,139 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-10-22 11:25:14,139 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-10-22 11:25:14,140 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-10-22 11:25:14,180 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\result == 0 && pumpRunning == 0) && 0 == splverifierCounter [2019-10-22 11:25:14,263 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_f56b1837-0079-408b-afe9-2e8f91465435/bin/utaipan/witness.graphml [2019-10-22 11:25:14,263 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 11:25:14,265 INFO L168 Benchmark]: Toolchain (without parser) took 2594.78 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 123.7 MB). Free memory was 940.3 MB in the beginning and 942.2 MB in the end (delta: -1.9 MB). Peak memory consumption was 121.9 MB. Max. memory is 11.5 GB. [2019-10-22 11:25:14,265 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 966.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 11:25:14,266 INFO L168 Benchmark]: CACSL2BoogieTranslator took 531.36 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 123.7 MB). Free memory was 939.0 MB in the beginning and 1.1 GB in the end (delta: -166.8 MB). Peak memory consumption was 22.1 MB. Max. memory is 11.5 GB. [2019-10-22 11:25:14,266 INFO L168 Benchmark]: Boogie Procedure Inliner took 51.25 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 11.5 GB. [2019-10-22 11:25:14,267 INFO L168 Benchmark]: Boogie Preprocessor took 41.01 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: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. [2019-10-22 11:25:14,267 INFO L168 Benchmark]: RCFGBuilder took 735.98 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 56.4 MB). Peak memory consumption was 56.4 MB. Max. memory is 11.5 GB. [2019-10-22 11:25:14,268 INFO L168 Benchmark]: TraceAbstraction took 1087.26 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 949.1 MB in the end (delta: 93.4 MB). Peak memory consumption was 93.4 MB. Max. memory is 11.5 GB. [2019-10-22 11:25:14,268 INFO L168 Benchmark]: Witness Printer took 143.46 ms. Allocated memory is still 1.2 GB. Free memory was 949.1 MB in the beginning and 942.2 MB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2019-10-22 11:25:14,271 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 966.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 531.36 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 123.7 MB). Free memory was 939.0 MB in the beginning and 1.1 GB in the end (delta: -166.8 MB). Peak memory consumption was 22.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 51.25 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 41.01 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: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 735.98 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 56.4 MB). Peak memory consumption was 56.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1087.26 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 949.1 MB in the end (delta: 93.4 MB). Peak memory consumption was 93.4 MB. Max. memory is 11.5 GB. * Witness Printer took 143.46 ms. Allocated memory is still 1.2 GB. Free memory was 949.1 MB in the beginning and 942.2 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: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 44]: 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: 693]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 == methaneLevelCritical && pumpRunning == 0 - InvariantResult [Line: 693]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 620]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 621]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 620]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 620]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 93]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 93]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 748]: Loop Invariant Derived loop invariant: 0 == methaneLevelCritical && pumpRunning == 0 - InvariantResult [Line: 93]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 572]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 797]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 693]: Loop Invariant Derived loop invariant: (\result == 0 && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 869]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 859]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 551]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 841]: Loop Invariant Derived loop invariant: 0 == methaneLevelCritical && pumpRunning == 0 - InvariantResult [Line: 529]: Loop Invariant Derived loop invariant: 0 == methaneLevelCritical && pumpRunning == 0 - InvariantResult [Line: 628]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 628]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 628]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 562]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 61 locations, 3 error locations. Result: SAFE, OverallTime: 1.0s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, HoareTripleCheckerStatistics: 231 SDtfs, 205 SDslu, 241 SDs, 0 SdLazy, 35 SolverSat, 7 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 19 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=61occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 44 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 26 LocationsWithAnnotation, 26 PreInvPairs, 67 NumberOfFragments, 101 HoareAnnotationTreeSize, 26 FomulaSimplifications, 1010 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 26 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 86 NumberOfCodeBlocks, 86 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 82 ConstructedInterpolants, 0 QuantifiedInterpolants, 3720 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...