./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product25.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_3490f0cb-58e5-4a7c-b31b-23790c93b06f/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_3490f0cb-58e5-4a7c-b31b-23790c93b06f/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_3490f0cb-58e5-4a7c-b31b-23790c93b06f/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_3490f0cb-58e5-4a7c-b31b-23790c93b06f/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product25.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_3490f0cb-58e5-4a7c-b31b-23790c93b06f/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_3490f0cb-58e5-4a7c-b31b-23790c93b06f/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 5c8fccd9aead26260fe6c28d5df9729813f96355 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 11:26:56,424 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 11:26:56,425 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 11:26:56,438 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 11:26:56,438 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 11:26:56,439 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 11:26:56,440 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 11:26:56,443 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 11:26:56,444 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 11:26:56,445 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 11:26:56,446 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 11:26:56,447 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 11:26:56,447 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 11:26:56,448 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 11:26:56,448 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 11:26:56,449 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 11:26:56,457 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 11:26:56,458 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 11:26:56,459 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 11:26:56,460 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 11:26:56,464 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 11:26:56,465 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 11:26:56,466 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 11:26:56,467 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 11:26:56,468 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 11:26:56,468 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 11:26:56,469 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 11:26:56,469 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 11:26:56,472 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 11:26:56,473 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 11:26:56,473 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 11:26:56,474 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 11:26:56,474 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 11:26:56,475 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 11:26:56,476 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 11:26:56,476 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 11:26:56,476 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 11:26:56,477 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 11:26:56,477 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 11:26:56,477 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 11:26:56,479 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 11:26:56,480 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_3490f0cb-58e5-4a7c-b31b-23790c93b06f/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-10-22 11:26:56,493 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 11:26:56,505 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 11:26:56,506 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-22 11:26:56,506 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-22 11:26:56,506 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-22 11:26:56,507 INFO L138 SettingsManager]: * Explicit value domain=true [2019-10-22 11:26:56,507 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-10-22 11:26:56,507 INFO L138 SettingsManager]: * Octagon Domain=false [2019-10-22 11:26:56,507 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-10-22 11:26:56,507 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-10-22 11:26:56,507 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-10-22 11:26:56,507 INFO L138 SettingsManager]: * Interval Domain=false [2019-10-22 11:26:56,508 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 11:26:56,508 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 11:26:56,508 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 11:26:56,509 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 11:26:56,509 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 11:26:56,509 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 11:26:56,509 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 11:26:56,509 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 11:26:56,509 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 11:26:56,509 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 11:26:56,510 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 11:26:56,510 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 11:26:56,510 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 11:26:56,510 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 11:26:56,510 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 11:26:56,510 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 11:26:56,511 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 11:26:56,511 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 11:26:56,511 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 11:26:56,511 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-10-22 11:26:56,511 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 11:26:56,511 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 11:26:56,512 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-22 11:26:56,512 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_3490f0cb-58e5-4a7c-b31b-23790c93b06f/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 -> 5c8fccd9aead26260fe6c28d5df9729813f96355 [2019-10-22 11:26:56,548 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 11:26:56,558 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 11:26:56,561 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 11:26:56,563 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 11:26:56,563 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 11:26:56,564 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_3490f0cb-58e5-4a7c-b31b-23790c93b06f/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec2_product25.cil.c [2019-10-22 11:26:56,621 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_3490f0cb-58e5-4a7c-b31b-23790c93b06f/bin/utaipan/data/e5c533d5f/26756afca41e4779a0ce244f151cd9a1/FLAG82d332f94 [2019-10-22 11:26:57,092 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 11:26:57,093 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_3490f0cb-58e5-4a7c-b31b-23790c93b06f/sv-benchmarks/c/product-lines/minepump_spec2_product25.cil.c [2019-10-22 11:26:57,110 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_3490f0cb-58e5-4a7c-b31b-23790c93b06f/bin/utaipan/data/e5c533d5f/26756afca41e4779a0ce244f151cd9a1/FLAG82d332f94 [2019-10-22 11:26:57,401 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_3490f0cb-58e5-4a7c-b31b-23790c93b06f/bin/utaipan/data/e5c533d5f/26756afca41e4779a0ce244f151cd9a1 [2019-10-22 11:26:57,404 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 11:26:57,405 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 11:26:57,407 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 11:26:57,407 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 11:26:57,411 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 11:26:57,412 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:26:57" (1/1) ... [2019-10-22 11:26:57,415 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b7dd61 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:57, skipping insertion in model container [2019-10-22 11:26:57,415 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:26:57" (1/1) ... [2019-10-22 11:26:57,424 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 11:26:57,478 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 11:26:57,953 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:26:57,975 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 11:26:58,072 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:26:58,107 INFO L192 MainTranslator]: Completed translation [2019-10-22 11:26:58,108 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:58 WrapperNode [2019-10-22 11:26:58,108 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 11:26:58,109 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 11:26:58,109 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 11:26:58,109 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 11:26:58,118 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:58" (1/1) ... [2019-10-22 11:26:58,133 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:58" (1/1) ... [2019-10-22 11:26:58,174 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 11:26:58,174 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 11:26:58,174 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 11:26:58,175 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 11:26:58,185 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:58" (1/1) ... [2019-10-22 11:26:58,186 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:58" (1/1) ... [2019-10-22 11:26:58,190 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:58" (1/1) ... [2019-10-22 11:26:58,190 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:58" (1/1) ... [2019-10-22 11:26:58,200 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:58" (1/1) ... [2019-10-22 11:26:58,208 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:58" (1/1) ... [2019-10-22 11:26:58,210 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:58" (1/1) ... [2019-10-22 11:26:58,215 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 11:26:58,215 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 11:26:58,215 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 11:26:58,215 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 11:26:58,222 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:58" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3490f0cb-58e5-4a7c-b31b-23790c93b06f/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 11:26:58,281 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 11:26:58,282 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-22 11:26:58,282 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 11:26:58,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 11:26:59,041 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 11:26:59,041 INFO L284 CfgBuilder]: Removed 98 assume(true) statements. [2019-10-22 11:26:59,043 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:26:59 BoogieIcfgContainer [2019-10-22 11:26:59,043 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 11:26:59,044 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 11:26:59,044 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 11:26:59,049 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 11:26:59,049 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 11:26:57" (1/3) ... [2019-10-22 11:26:59,050 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5255011d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:26:59, skipping insertion in model container [2019-10-22 11:26:59,050 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:58" (2/3) ... [2019-10-22 11:26:59,051 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5255011d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:26:59, skipping insertion in model container [2019-10-22 11:26:59,051 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:26:59" (3/3) ... [2019-10-22 11:26:59,053 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product25.cil.c [2019-10-22 11:26:59,066 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 11:26:59,078 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-10-22 11:26:59,090 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-10-22 11:26:59,129 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 11:26:59,129 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-22 11:26:59,129 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 11:26:59,129 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 11:26:59,130 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 11:26:59,130 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 11:26:59,130 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 11:26:59,130 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 11:26:59,150 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states. [2019-10-22 11:26:59,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-10-22 11:26:59,158 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:26:59,159 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 11:26:59,161 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:26:59,168 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:26:59,169 INFO L82 PathProgramCache]: Analyzing trace with hash 1001432226, now seen corresponding path program 1 times [2019-10-22 11:26:59,178 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:26:59,179 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1249873212] [2019-10-22 11:26:59,179 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:26:59,179 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:26:59,179 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:26:59,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:26:59,437 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 11:26:59,438 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1249873212] [2019-10-22 11:26:59,438 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:26:59,439 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 11:26:59,439 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [862687404] [2019-10-22 11:26:59,443 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-22 11:26:59,445 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:26:59,460 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-22 11:26:59,461 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-22 11:26:59,463 INFO L87 Difference]: Start difference. First operand 79 states. Second operand 2 states. [2019-10-22 11:26:59,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:26:59,491 INFO L93 Difference]: Finished difference Result 151 states and 228 transitions. [2019-10-22 11:26:59,492 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-22 11:26:59,493 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2019-10-22 11:26:59,494 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:26:59,505 INFO L225 Difference]: With dead ends: 151 [2019-10-22 11:26:59,506 INFO L226 Difference]: Without dead ends: 75 [2019-10-22 11:26:59,509 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 11:26:59,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2019-10-22 11:26:59,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 75. [2019-10-22 11:26:59,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 75 states. [2019-10-22 11:26:59,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 106 transitions. [2019-10-22 11:26:59,560 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 106 transitions. Word has length 18 [2019-10-22 11:26:59,560 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:26:59,560 INFO L462 AbstractCegarLoop]: Abstraction has 75 states and 106 transitions. [2019-10-22 11:26:59,560 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-22 11:26:59,561 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 106 transitions. [2019-10-22 11:26:59,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-10-22 11:26:59,562 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:26:59,562 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 11:26:59,562 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:26:59,562 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:26:59,563 INFO L82 PathProgramCache]: Analyzing trace with hash -434799197, now seen corresponding path program 1 times [2019-10-22 11:26:59,563 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:26:59,563 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1989422033] [2019-10-22 11:26:59,563 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:26:59,563 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:26:59,564 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:26:59,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:26:59,695 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 11:26:59,696 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1989422033] [2019-10-22 11:26:59,696 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:26:59,696 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 11:26:59,696 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [486472083] [2019-10-22 11:26:59,703 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 11:26:59,703 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:26:59,703 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 11:26:59,704 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:26:59,704 INFO L87 Difference]: Start difference. First operand 75 states and 106 transitions. Second operand 3 states. [2019-10-22 11:26:59,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:26:59,723 INFO L93 Difference]: Finished difference Result 75 states and 106 transitions. [2019-10-22 11:26:59,724 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 11:26:59,724 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2019-10-22 11:26:59,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:26:59,725 INFO L225 Difference]: With dead ends: 75 [2019-10-22 11:26:59,725 INFO L226 Difference]: Without dead ends: 35 [2019-10-22 11:26:59,726 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 11:26:59,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2019-10-22 11:26:59,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2019-10-22 11:26:59,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2019-10-22 11:26:59,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 49 transitions. [2019-10-22 11:26:59,732 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 49 transitions. Word has length 19 [2019-10-22 11:26:59,732 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:26:59,733 INFO L462 AbstractCegarLoop]: Abstraction has 35 states and 49 transitions. [2019-10-22 11:26:59,733 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 11:26:59,733 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 49 transitions. [2019-10-22 11:26:59,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-10-22 11:26:59,734 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:26:59,734 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 11:26:59,734 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:26:59,734 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:26:59,735 INFO L82 PathProgramCache]: Analyzing trace with hash -1568486346, now seen corresponding path program 1 times [2019-10-22 11:26:59,735 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:26:59,735 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1055463416] [2019-10-22 11:26:59,735 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:26:59,735 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:26:59,736 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:26:59,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:26:59,876 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 11:26:59,877 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1055463416] [2019-10-22 11:26:59,877 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:26:59,877 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-22 11:26:59,877 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [711427786] [2019-10-22 11:26:59,878 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-22 11:26:59,878 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:26:59,878 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-22 11:26:59,879 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-10-22 11:26:59,879 INFO L87 Difference]: Start difference. First operand 35 states and 49 transitions. Second operand 6 states. [2019-10-22 11:26:59,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:26:59,985 INFO L93 Difference]: Finished difference Result 63 states and 91 transitions. [2019-10-22 11:26:59,986 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-22 11:26:59,986 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 24 [2019-10-22 11:26:59,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:26:59,987 INFO L225 Difference]: With dead ends: 63 [2019-10-22 11:26:59,987 INFO L226 Difference]: Without dead ends: 35 [2019-10-22 11:26:59,988 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-10-22 11:26:59,988 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2019-10-22 11:26:59,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2019-10-22 11:26:59,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2019-10-22 11:26:59,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 48 transitions. [2019-10-22 11:26:59,993 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 48 transitions. Word has length 24 [2019-10-22 11:26:59,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:26:59,993 INFO L462 AbstractCegarLoop]: Abstraction has 35 states and 48 transitions. [2019-10-22 11:26:59,993 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-22 11:26:59,994 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 48 transitions. [2019-10-22 11:26:59,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-10-22 11:26:59,994 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:26:59,994 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 11:26:59,995 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:26:59,995 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:26:59,995 INFO L82 PathProgramCache]: Analyzing trace with hash -1679469095, now seen corresponding path program 1 times [2019-10-22 11:26:59,995 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:26:59,995 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1467488528] [2019-10-22 11:26:59,996 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:26:59,996 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:26:59,996 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:27:00,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:27:00,097 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 11:27:00,098 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1467488528] [2019-10-22 11:27:00,098 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:27:00,098 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 11:27:00,098 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2070819679] [2019-10-22 11:27:00,099 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 11:27:00,099 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:27:00,099 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 11:27:00,100 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 11:27:00,100 INFO L87 Difference]: Start difference. First operand 35 states and 48 transitions. Second operand 5 states. [2019-10-22 11:27:00,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:27:00,211 INFO L93 Difference]: Finished difference Result 154 states and 228 transitions. [2019-10-22 11:27:00,213 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-22 11:27:00,214 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2019-10-22 11:27:00,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:27:00,215 INFO L225 Difference]: With dead ends: 154 [2019-10-22 11:27:00,215 INFO L226 Difference]: Without dead ends: 126 [2019-10-22 11:27:00,215 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 11:27:00,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2019-10-22 11:27:00,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 58. [2019-10-22 11:27:00,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 58 states. [2019-10-22 11:27:00,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 81 transitions. [2019-10-22 11:27:00,230 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 81 transitions. Word has length 25 [2019-10-22 11:27:00,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:27:00,230 INFO L462 AbstractCegarLoop]: Abstraction has 58 states and 81 transitions. [2019-10-22 11:27:00,230 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 11:27:00,230 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 81 transitions. [2019-10-22 11:27:00,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-10-22 11:27:00,231 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:27:00,231 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, 1] [2019-10-22 11:27:00,232 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:27:00,232 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:27:00,232 INFO L82 PathProgramCache]: Analyzing trace with hash -1573698991, now seen corresponding path program 1 times [2019-10-22 11:27:00,232 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:27:00,232 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [564712355] [2019-10-22 11:27:00,233 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:27:00,233 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:27:00,233 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:27:00,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:27:00,336 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:27:00,336 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [564712355] [2019-10-22 11:27:00,337 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:27:00,337 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 11:27:00,337 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2072459623] [2019-10-22 11:27:00,338 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 11:27:00,338 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:27:00,338 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 11:27:00,338 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 11:27:00,338 INFO L87 Difference]: Start difference. First operand 58 states and 81 transitions. Second operand 5 states. [2019-10-22 11:27:00,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:27:00,414 INFO L93 Difference]: Finished difference Result 150 states and 218 transitions. [2019-10-22 11:27:00,415 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-22 11:27:00,416 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 26 [2019-10-22 11:27:00,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:27:00,416 INFO L225 Difference]: With dead ends: 150 [2019-10-22 11:27:00,417 INFO L226 Difference]: Without dead ends: 0 [2019-10-22 11:27:00,417 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 11:27:00,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-22 11:27:00,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-22 11:27:00,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-22 11:27:00,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-22 11:27:00,419 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 26 [2019-10-22 11:27:00,419 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:27:00,419 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 11:27:00,419 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 11:27:00,420 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-22 11:27:00,420 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-22 11:27:00,425 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-22 11:27:00,747 INFO L439 ceAbstractionStarter]: At program point L52-2(lines 52 66) the Hoare annotation is: false [2019-10-22 11:27:00,748 INFO L443 ceAbstractionStarter]: For program point L201(lines 201 207) no Hoare annotation was computed. [2019-10-22 11:27:00,748 INFO L439 ceAbstractionStarter]: At program point L168(lines 1 926) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) [2019-10-22 11:27:00,748 INFO L439 ceAbstractionStarter]: At program point L201-1(lines 201 207) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ULTIMATE.start_main_~tmp~0 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 11:27:00,748 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-10-22 11:27:00,748 INFO L443 ceAbstractionStarter]: For program point L53(line 53) no Hoare annotation was computed. [2019-10-22 11:27:00,749 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 518) no Hoare annotation was computed. [2019-10-22 11:27:00,749 INFO L439 ceAbstractionStarter]: At program point L268(lines 268 274) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ULTIMATE.start_main_~tmp~0 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 11:27:00,749 INFO L439 ceAbstractionStarter]: At program point L268-1(lines 268 274) the Hoare annotation is: false [2019-10-22 11:27:00,749 INFO L439 ceAbstractionStarter]: At program point L268-2(lines 268 274) the Hoare annotation is: false [2019-10-22 11:27:00,751 INFO L439 ceAbstractionStarter]: At program point L103(lines 99 105) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ULTIMATE.start_main_~tmp~0 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~pumpRunning~0 0)) [2019-10-22 11:27:00,752 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 518) no Hoare annotation was computed. [2019-10-22 11:27:00,752 INFO L439 ceAbstractionStarter]: At program point L468(lines 463 471) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ULTIMATE.start_main_~tmp~0 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 11:27:00,752 INFO L439 ceAbstractionStarter]: At program point L468-1(lines 463 471) the Hoare annotation is: false [2019-10-22 11:27:00,752 INFO L439 ceAbstractionStarter]: At program point L468-2(lines 463 471) the Hoare annotation is: false [2019-10-22 11:27:00,753 INFO L439 ceAbstractionStarter]: At program point L237(lines 190 238) the Hoare annotation is: false [2019-10-22 11:27:00,753 INFO L443 ceAbstractionStarter]: For program point L518(line 518) no Hoare annotation was computed. [2019-10-22 11:27:00,753 INFO L443 ceAbstractionStarter]: For program point L518-1(line 518) no Hoare annotation was computed. [2019-10-22 11:27:00,753 INFO L443 ceAbstractionStarter]: For program point L518-2(line 518) no Hoare annotation was computed. [2019-10-22 11:27:00,753 INFO L439 ceAbstractionStarter]: At program point L419(lines 404 422) the Hoare annotation is: false [2019-10-22 11:27:00,753 INFO L439 ceAbstractionStarter]: At program point L419-1(lines 404 422) the Hoare annotation is: false [2019-10-22 11:27:00,754 INFO L439 ceAbstractionStarter]: At program point L419-2(lines 404 422) the Hoare annotation is: false [2019-10-22 11:27:00,754 INFO L443 ceAbstractionStarter]: For program point L221(lines 221 232) no Hoare annotation was computed. [2019-10-22 11:27:00,754 INFO L443 ceAbstractionStarter]: For program point L56(lines 56 60) no Hoare annotation was computed. [2019-10-22 11:27:00,754 INFO L443 ceAbstractionStarter]: For program point L56-1(lines 261 267) no Hoare annotation was computed. [2019-10-22 11:27:00,754 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-22 11:27:00,754 INFO L446 ceAbstractionStarter]: At program point L141(lines 122 144) the Hoare annotation is: true [2019-10-22 11:27:00,755 INFO L443 ceAbstractionStarter]: For program point L455(lines 455 459) no Hoare annotation was computed. [2019-10-22 11:27:00,755 INFO L443 ceAbstractionStarter]: For program point L192(lines 191 236) no Hoare annotation was computed. [2019-10-22 11:27:00,755 INFO L439 ceAbstractionStarter]: At program point L176(lines 171 179) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~pumpRunning~0 0)) [2019-10-22 11:27:00,755 INFO L443 ceAbstractionStarter]: For program point L193(lines 193 197) no Hoare annotation was computed. [2019-10-22 11:27:00,755 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-22 11:27:00,755 INFO L443 ceAbstractionStarter]: For program point L540(lines 540 557) no Hoare annotation was computed. [2019-10-22 11:27:00,756 INFO L439 ceAbstractionStarter]: At program point L540-1(lines 1 926) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ULTIMATE.start_main_~tmp~0 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 11:27:00,756 INFO L443 ceAbstractionStarter]: For program point L540-2(lines 540 557) no Hoare annotation was computed. [2019-10-22 11:27:00,756 INFO L439 ceAbstractionStarter]: At program point L540-3(lines 1 926) the Hoare annotation is: false [2019-10-22 11:27:00,756 INFO L443 ceAbstractionStarter]: For program point L540-4(lines 540 557) no Hoare annotation was computed. [2019-10-22 11:27:00,756 INFO L439 ceAbstractionStarter]: At program point L540-5(lines 1 926) the Hoare annotation is: false [2019-10-22 11:27:00,757 INFO L443 ceAbstractionStarter]: For program point L293(lines 293 310) no Hoare annotation was computed. [2019-10-22 11:27:00,757 INFO L443 ceAbstractionStarter]: For program point L293-1(lines 293 310) no Hoare annotation was computed. [2019-10-22 11:27:00,757 INFO L443 ceAbstractionStarter]: For program point L227(lines 227 231) no Hoare annotation was computed. [2019-10-22 11:27:00,757 INFO L443 ceAbstractionStarter]: For program point L293-2(lines 293 310) no Hoare annotation was computed. [2019-10-22 11:27:00,757 INFO L443 ceAbstractionStarter]: For program point L227-2(lines 261 267) no Hoare annotation was computed. [2019-10-22 11:27:00,757 INFO L443 ceAbstractionStarter]: For program point L211(lines 211 217) no Hoare annotation was computed. [2019-10-22 11:27:00,761 INFO L439 ceAbstractionStarter]: At program point L211-1(lines 211 217) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ULTIMATE.start_main_~tmp~0 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 11:27:00,762 INFO L439 ceAbstractionStarter]: At program point L261(lines 260 279) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ULTIMATE.start_main_~tmp~0 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 11:27:00,762 INFO L443 ceAbstractionStarter]: For program point L261-1(lines 261 267) no Hoare annotation was computed. [2019-10-22 11:27:00,762 INFO L439 ceAbstractionStarter]: At program point L261-2(lines 260 279) the Hoare annotation is: false [2019-10-22 11:27:00,762 INFO L439 ceAbstractionStarter]: At program point L261-3(lines 260 279) the Hoare annotation is: false [2019-10-22 11:27:00,762 INFO L439 ceAbstractionStarter]: At program point L509(lines 504 512) the Hoare annotation is: false [2019-10-22 11:27:00,763 INFO L439 ceAbstractionStarter]: At program point L509-1(lines 504 512) the Hoare annotation is: false [2019-10-22 11:27:00,763 INFO L443 ceAbstractionStarter]: For program point L443(lines 443 447) no Hoare annotation was computed. [2019-10-22 11:27:00,763 INFO L439 ceAbstractionStarter]: At program point L509-2(lines 504 512) the Hoare annotation is: false [2019-10-22 11:27:00,763 INFO L443 ceAbstractionStarter]: For program point L544(lines 544 554) no Hoare annotation was computed. [2019-10-22 11:27:00,763 INFO L443 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-10-22 11:27:00,763 INFO L443 ceAbstractionStarter]: For program point L544-2(lines 544 554) no Hoare annotation was computed. [2019-10-22 11:27:00,763 INFO L443 ceAbstractionStarter]: For program point L544-4(lines 544 554) no Hoare annotation was computed. [2019-10-22 11:27:00,764 INFO L443 ceAbstractionStarter]: For program point L297(lines 297 305) no Hoare annotation was computed. [2019-10-22 11:27:00,764 INFO L443 ceAbstractionStarter]: For program point L297-1(lines 297 305) no Hoare annotation was computed. [2019-10-22 11:27:00,764 INFO L443 ceAbstractionStarter]: For program point L297-2(lines 297 305) no Hoare annotation was computed. [2019-10-22 11:27:00,764 INFO L443 ceAbstractionStarter]: For program point L132(lines 132 139) no Hoare annotation was computed. [2019-10-22 11:27:00,764 INFO L446 ceAbstractionStarter]: At program point L132-1(lines 132 139) the Hoare annotation is: true [2019-10-22 11:27:00,764 INFO L443 ceAbstractionStarter]: For program point L545(lines 545 551) no Hoare annotation was computed. [2019-10-22 11:27:00,764 INFO L443 ceAbstractionStarter]: For program point L545-2(lines 545 551) no Hoare annotation was computed. [2019-10-22 11:27:00,765 INFO L443 ceAbstractionStarter]: For program point L413(lines 413 417) no Hoare annotation was computed. [2019-10-22 11:27:00,765 INFO L443 ceAbstractionStarter]: For program point L545-4(lines 545 551) no Hoare annotation was computed. [2019-10-22 11:27:00,765 INFO L443 ceAbstractionStarter]: For program point L413-2(lines 413 417) no Hoare annotation was computed. [2019-10-22 11:27:00,765 INFO L443 ceAbstractionStarter]: For program point L413-3(lines 413 417) no Hoare annotation was computed. [2019-10-22 11:27:00,765 INFO L443 ceAbstractionStarter]: For program point L413-5(lines 413 417) no Hoare annotation was computed. [2019-10-22 11:27:00,765 INFO L443 ceAbstractionStarter]: For program point L413-6(lines 413 417) no Hoare annotation was computed. [2019-10-22 11:27:00,766 INFO L443 ceAbstractionStarter]: For program point L413-8(lines 413 417) no Hoare annotation was computed. [2019-10-22 11:27:00,766 INFO L439 ceAbstractionStarter]: At program point L529(lines 524 531) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ULTIMATE.start_main_~tmp~0 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~pumpRunning~0 0)) [2019-10-22 11:27:00,766 INFO L439 ceAbstractionStarter]: At program point L364(lines 359 367) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ULTIMATE.start_main_~tmp~0 ~systemActive~0) (= |ULTIMATE.start_isPumpRunning_#res| 0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 11:27:00,766 INFO L439 ceAbstractionStarter]: At program point L364-1(lines 359 367) the Hoare annotation is: false [2019-10-22 11:27:00,766 INFO L439 ceAbstractionStarter]: At program point L364-2(lines 359 367) the Hoare annotation is: false [2019-10-22 11:27:00,767 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 518) no Hoare annotation was computed. [2019-10-22 11:27:00,767 INFO L443 ceAbstractionStarter]: For program point L431(lines 431 435) no Hoare annotation was computed. [2019-10-22 11:27:00,767 INFO L443 ceAbstractionStarter]: For program point L431-3(lines 431 435) no Hoare annotation was computed. [2019-10-22 11:27:00,767 INFO L443 ceAbstractionStarter]: For program point L431-6(lines 431 435) no Hoare annotation was computed. [2019-10-22 11:27:00,794 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 11:27:00 BoogieIcfgContainer [2019-10-22 11:27:00,794 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-22 11:27:00,795 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 11:27:00,795 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 11:27:00,795 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 11:27:00,796 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:26:59" (3/4) ... [2019-10-22 11:27:00,804 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-10-22 11:27:00,823 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-10-22 11:27:00,823 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2019-10-22 11:27:00,824 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-10-22 11:27:00,824 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-10-22 11:27:00,825 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-10-22 11:27:00,825 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-10-22 11:27:00,867 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((1 == systemActive && 0 == methaneLevelCritical) && \result == systemActive) && pumpRunning == 0 [2019-10-22 11:27:00,867 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && 0 == methaneLevelCritical) && tmp == systemActive) && \result == systemActive) && pumpRunning == 0 [2019-10-22 11:27:00,868 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && 0 == methaneLevelCritical) && tmp == systemActive) && \result == systemActive) && pumpRunning == 0 [2019-10-22 11:27:00,868 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter [2019-10-22 11:27:00,868 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter [2019-10-22 11:27:00,869 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter [2019-10-22 11:27:00,869 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter [2019-10-22 11:27:00,871 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter [2019-10-22 11:27:00,872 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter [2019-10-22 11:27:00,873 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && tmp == systemActive) && \result == 0) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter [2019-10-22 11:27:00,952 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_3490f0cb-58e5-4a7c-b31b-23790c93b06f/bin/utaipan/witness.graphml [2019-10-22 11:27:00,952 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 11:27:00,954 INFO L168 Benchmark]: Toolchain (without parser) took 3548.76 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 109.1 MB). Free memory was 948.5 MB in the beginning and 891.0 MB in the end (delta: 57.5 MB). Peak memory consumption was 166.6 MB. Max. memory is 11.5 GB. [2019-10-22 11:27:00,955 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 967.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 11:27:00,955 INFO L168 Benchmark]: CACSL2BoogieTranslator took 701.48 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 109.1 MB). Free memory was 943.2 MB in the beginning and 1.1 GB in the end (delta: -148.4 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. [2019-10-22 11:27:00,955 INFO L168 Benchmark]: Boogie Procedure Inliner took 65.42 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-10-22 11:27:00,956 INFO L168 Benchmark]: Boogie Preprocessor took 40.50 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 11:27:00,956 INFO L168 Benchmark]: RCFGBuilder took 828.08 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 60.0 MB). Peak memory consumption was 60.0 MB. Max. memory is 11.5 GB. [2019-10-22 11:27:00,956 INFO L168 Benchmark]: TraceAbstraction took 1750.58 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 896.4 MB in the end (delta: 129.8 MB). Peak memory consumption was 129.8 MB. Max. memory is 11.5 GB. [2019-10-22 11:27:00,957 INFO L168 Benchmark]: Witness Printer took 157.37 ms. Allocated memory is still 1.1 GB. Free memory was 896.4 MB in the beginning and 891.0 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-10-22 11:27:00,959 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 967.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 701.48 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 109.1 MB). Free memory was 943.2 MB in the beginning and 1.1 GB in the end (delta: -148.4 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 65.42 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 40.50 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 828.08 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 60.0 MB). Peak memory consumption was 60.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1750.58 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 896.4 MB in the end (delta: 129.8 MB). Peak memory consumption was 129.8 MB. Max. memory is 11.5 GB. * Witness Printer took 157.37 ms. Allocated memory is still 1.1 GB. Free memory was 896.4 MB in the beginning and 891.0 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 518]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 518]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 518]: 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: 260]: Loop Invariant Derived loop invariant: (((1 == systemActive && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0 - InvariantResult [Line: 201]: Loop Invariant Derived loop invariant: (((1 == systemActive && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 463]: Loop Invariant Derived loop invariant: (((1 == systemActive && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 268]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 463]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 268]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 463]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 268]: Loop Invariant Derived loop invariant: (((1 == systemActive && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 260]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 190]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 260]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 171]: Loop Invariant Derived loop invariant: ((1 == systemActive && 0 == methaneLevelCritical) && \result == systemActive) && pumpRunning == 0 - InvariantResult [Line: 404]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 404]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 99]: Loop Invariant Derived loop invariant: (((1 == systemActive && 0 == methaneLevelCritical) && tmp == systemActive) && \result == systemActive) && pumpRunning == 0 - InvariantResult [Line: 359]: Loop Invariant Derived loop invariant: ((((1 == systemActive && tmp == systemActive) && \result == 0) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 211]: Loop Invariant Derived loop invariant: (((1 == systemActive && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 404]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 359]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 359]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 504]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 504]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 524]: Loop Invariant Derived loop invariant: (((1 == systemActive && 0 == methaneLevelCritical) && tmp == systemActive) && \result == systemActive) && pumpRunning == 0 - InvariantResult [Line: 122]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 504]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((1 == systemActive && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 132]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 79 locations, 3 error locations. Result: SAFE, OverallTime: 1.6s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, HoareTripleCheckerStatistics: 326 SDtfs, 388 SDslu, 296 SDs, 0 SdLazy, 46 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 26 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=79occurred 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, 5 MinimizatonAttempts, 68 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 31 LocationsWithAnnotation, 31 PreInvPairs, 66 NumberOfFragments, 190 HoareAnnotationTreeSize, 31 FomulaSimplifications, 1476 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 31 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 112 NumberOfCodeBlocks, 112 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 107 ConstructedInterpolants, 0 QuantifiedInterpolants, 5537 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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...