./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product27.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_44cfe2c4-fb97-493f-ab37-d481ce905c5e/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_44cfe2c4-fb97-493f-ab37-d481ce905c5e/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_44cfe2c4-fb97-493f-ab37-d481ce905c5e/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_44cfe2c4-fb97-493f-ab37-d481ce905c5e/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product27.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_44cfe2c4-fb97-493f-ab37-d481ce905c5e/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_44cfe2c4-fb97-493f-ab37-d481ce905c5e/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 9c8016f452608c4941fa660b03ce7c0101dbbdf8 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 11:26:53,049 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 11:26:53,050 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 11:26:53,062 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 11:26:53,062 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 11:26:53,063 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 11:26:53,064 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 11:26:53,065 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 11:26:53,067 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 11:26:53,070 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 11:26:53,071 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 11:26:53,072 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 11:26:53,072 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 11:26:53,073 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 11:26:53,073 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 11:26:53,074 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 11:26:53,083 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 11:26:53,084 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 11:26:53,085 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 11:26:53,086 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 11:26:53,090 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 11:26:53,091 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 11:26:53,091 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 11:26:53,092 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 11:26:53,094 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 11:26:53,094 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 11:26:53,094 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 11:26:53,095 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 11:26:53,097 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 11:26:53,098 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 11:26:53,098 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 11:26:53,099 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 11:26:53,100 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 11:26:53,100 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 11:26:53,101 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 11:26:53,101 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 11:26:53,101 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 11:26:53,102 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 11:26:53,102 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 11:26:53,102 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 11:26:53,104 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 11:26:53,105 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_44cfe2c4-fb97-493f-ab37-d481ce905c5e/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-10-22 11:26:53,116 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 11:26:53,117 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 11:26:53,117 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-22 11:26:53,117 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-22 11:26:53,118 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-22 11:26:53,118 INFO L138 SettingsManager]: * Explicit value domain=true [2019-10-22 11:26:53,118 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-10-22 11:26:53,118 INFO L138 SettingsManager]: * Octagon Domain=false [2019-10-22 11:26:53,118 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-10-22 11:26:53,118 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-10-22 11:26:53,118 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-10-22 11:26:53,119 INFO L138 SettingsManager]: * Interval Domain=false [2019-10-22 11:26:53,131 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 11:26:53,131 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 11:26:53,131 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 11:26:53,131 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 11:26:53,131 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 11:26:53,131 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 11:26:53,132 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 11:26:53,132 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 11:26:53,132 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 11:26:53,132 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 11:26:53,132 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 11:26:53,132 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 11:26:53,133 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 11:26:53,133 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 11:26:53,133 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 11:26:53,133 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 11:26:53,133 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 11:26:53,133 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 11:26:53,133 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 11:26:53,134 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-10-22 11:26:53,134 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 11:26:53,134 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 11:26:53,134 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-22 11:26:53,134 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_44cfe2c4-fb97-493f-ab37-d481ce905c5e/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 -> 9c8016f452608c4941fa660b03ce7c0101dbbdf8 [2019-10-22 11:26:53,166 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 11:26:53,177 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 11:26:53,180 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 11:26:53,181 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 11:26:53,181 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 11:26:53,182 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_44cfe2c4-fb97-493f-ab37-d481ce905c5e/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec2_product27.cil.c [2019-10-22 11:26:53,229 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_44cfe2c4-fb97-493f-ab37-d481ce905c5e/bin/utaipan/data/537d8af62/d87b4d63290f42b5a56da09f24b48de8/FLAG2218ac34f [2019-10-22 11:26:53,624 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 11:26:53,624 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_44cfe2c4-fb97-493f-ab37-d481ce905c5e/sv-benchmarks/c/product-lines/minepump_spec2_product27.cil.c [2019-10-22 11:26:53,634 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_44cfe2c4-fb97-493f-ab37-d481ce905c5e/bin/utaipan/data/537d8af62/d87b4d63290f42b5a56da09f24b48de8/FLAG2218ac34f [2019-10-22 11:26:53,975 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_44cfe2c4-fb97-493f-ab37-d481ce905c5e/bin/utaipan/data/537d8af62/d87b4d63290f42b5a56da09f24b48de8 [2019-10-22 11:26:53,978 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 11:26:53,980 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 11:26:53,981 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 11:26:53,981 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 11:26:53,984 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 11:26:53,985 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:26:53" (1/1) ... [2019-10-22 11:26:53,987 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@334c694f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:53, skipping insertion in model container [2019-10-22 11:26:53,987 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:26:53" (1/1) ... [2019-10-22 11:26:53,994 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 11:26:54,052 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 11:26:54,431 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:26:54,449 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 11:26:54,537 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:26:54,570 INFO L192 MainTranslator]: Completed translation [2019-10-22 11:26:54,571 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:54 WrapperNode [2019-10-22 11:26:54,571 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 11:26:54,572 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 11:26:54,572 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 11:26:54,572 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 11:26:54,580 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:54" (1/1) ... [2019-10-22 11:26:54,602 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:54" (1/1) ... [2019-10-22 11:26:54,635 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 11:26:54,636 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 11:26:54,636 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 11:26:54,636 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 11:26:54,646 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:54" (1/1) ... [2019-10-22 11:26:54,649 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:54" (1/1) ... [2019-10-22 11:26:54,652 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:54" (1/1) ... [2019-10-22 11:26:54,662 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:54" (1/1) ... [2019-10-22 11:26:54,670 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:54" (1/1) ... [2019-10-22 11:26:54,692 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:54" (1/1) ... [2019-10-22 11:26:54,693 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:54" (1/1) ... [2019-10-22 11:26:54,696 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 11:26:54,696 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 11:26:54,696 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 11:26:54,696 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 11:26:54,697 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:54" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_44cfe2c4-fb97-493f-ab37-d481ce905c5e/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 11:26:54,743 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 11:26:54,743 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-22 11:26:54,743 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 11:26:54,744 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 11:26:55,402 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 11:26:55,403 INFO L284 CfgBuilder]: Removed 102 assume(true) statements. [2019-10-22 11:26:55,404 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:26:55 BoogieIcfgContainer [2019-10-22 11:26:55,404 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 11:26:55,405 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 11:26:55,405 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 11:26:55,408 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 11:26:55,408 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 11:26:53" (1/3) ... [2019-10-22 11:26:55,409 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@753f252b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:26:55, skipping insertion in model container [2019-10-22 11:26:55,409 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:54" (2/3) ... [2019-10-22 11:26:55,410 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@753f252b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:26:55, skipping insertion in model container [2019-10-22 11:26:55,410 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:26:55" (3/3) ... [2019-10-22 11:26:55,412 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product27.cil.c [2019-10-22 11:26:55,421 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 11:26:55,428 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-10-22 11:26:55,438 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-10-22 11:26:55,460 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 11:26:55,461 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-22 11:26:55,461 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 11:26:55,461 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 11:26:55,461 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 11:26:55,461 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 11:26:55,461 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 11:26:55,461 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 11:26:55,476 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states. [2019-10-22 11:26:55,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-10-22 11:26:55,482 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:26:55,482 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 11:26:55,484 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:26:55,488 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:26:55,488 INFO L82 PathProgramCache]: Analyzing trace with hash 1392435012, now seen corresponding path program 1 times [2019-10-22 11:26:55,494 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:26:55,494 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [558278257] [2019-10-22 11:26:55,495 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:26:55,495 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:26:55,495 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:26:55,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:26:55,733 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 11:26:55,734 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [558278257] [2019-10-22 11:26:55,734 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:26:55,735 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 11:26:55,735 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1599748001] [2019-10-22 11:26:55,740 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-22 11:26:55,741 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:26:55,754 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-22 11:26:55,755 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-22 11:26:55,757 INFO L87 Difference]: Start difference. First operand 81 states. Second operand 2 states. [2019-10-22 11:26:55,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:26:55,781 INFO L93 Difference]: Finished difference Result 155 states and 234 transitions. [2019-10-22 11:26:55,781 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-22 11:26:55,782 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2019-10-22 11:26:55,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:26:55,793 INFO L225 Difference]: With dead ends: 155 [2019-10-22 11:26:55,793 INFO L226 Difference]: Without dead ends: 77 [2019-10-22 11:26:55,796 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 11:26:55,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2019-10-22 11:26:55,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2019-10-22 11:26:55,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77 states. [2019-10-22 11:26:55,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 109 transitions. [2019-10-22 11:26:55,836 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 109 transitions. Word has length 18 [2019-10-22 11:26:55,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:26:55,837 INFO L462 AbstractCegarLoop]: Abstraction has 77 states and 109 transitions. [2019-10-22 11:26:55,837 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-22 11:26:55,837 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 109 transitions. [2019-10-22 11:26:55,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-10-22 11:26:55,838 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:26:55,838 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 11:26:55,838 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:26:55,838 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:26:55,838 INFO L82 PathProgramCache]: Analyzing trace with hash 1173599043, now seen corresponding path program 1 times [2019-10-22 11:26:55,839 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:26:55,839 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1137505073] [2019-10-22 11:26:55,839 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:26:55,839 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:26:55,840 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:26:55,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:26:55,914 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 11:26:55,914 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1137505073] [2019-10-22 11:26:55,914 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:26:55,914 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 11:26:55,915 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1136224170] [2019-10-22 11:26:55,916 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 11:26:55,916 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:26:55,916 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 11:26:55,916 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:26:55,917 INFO L87 Difference]: Start difference. First operand 77 states and 109 transitions. Second operand 3 states. [2019-10-22 11:26:55,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:26:55,926 INFO L93 Difference]: Finished difference Result 77 states and 109 transitions. [2019-10-22 11:26:55,927 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 11:26:55,927 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2019-10-22 11:26:55,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:26:55,928 INFO L225 Difference]: With dead ends: 77 [2019-10-22 11:26:55,928 INFO L226 Difference]: Without dead ends: 37 [2019-10-22 11:26:55,929 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 11:26:55,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2019-10-22 11:26:55,932 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2019-10-22 11:26:55,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2019-10-22 11:26:55,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 52 transitions. [2019-10-22 11:26:55,933 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 52 transitions. Word has length 19 [2019-10-22 11:26:55,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:26:55,933 INFO L462 AbstractCegarLoop]: Abstraction has 37 states and 52 transitions. [2019-10-22 11:26:55,934 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 11:26:55,934 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 52 transitions. [2019-10-22 11:26:55,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-10-22 11:26:55,934 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:26:55,934 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 11:26:55,935 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:26:55,935 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:26:55,935 INFO L82 PathProgramCache]: Analyzing trace with hash 1808533439, now seen corresponding path program 1 times [2019-10-22 11:26:55,935 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:26:55,936 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [730690195] [2019-10-22 11:26:55,936 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:26:55,936 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:26:55,936 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:26:55,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:26:56,041 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 11:26:56,042 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [730690195] [2019-10-22 11:26:56,042 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:26:56,042 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 11:26:56,042 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1579516492] [2019-10-22 11:26:56,043 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 11:26:56,047 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:26:56,047 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 11:26:56,048 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:26:56,048 INFO L87 Difference]: Start difference. First operand 37 states and 52 transitions. Second operand 3 states. [2019-10-22 11:26:56,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:26:56,073 INFO L93 Difference]: Finished difference Result 97 states and 142 transitions. [2019-10-22 11:26:56,074 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 11:26:56,074 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2019-10-22 11:26:56,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:26:56,075 INFO L225 Difference]: With dead ends: 97 [2019-10-22 11:26:56,075 INFO L226 Difference]: Without dead ends: 67 [2019-10-22 11:26:56,076 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 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 11:26:56,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2019-10-22 11:26:56,083 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 63. [2019-10-22 11:26:56,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2019-10-22 11:26:56,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 92 transitions. [2019-10-22 11:26:56,084 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 92 transitions. Word has length 24 [2019-10-22 11:26:56,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:26:56,085 INFO L462 AbstractCegarLoop]: Abstraction has 63 states and 92 transitions. [2019-10-22 11:26:56,085 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 11:26:56,085 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 92 transitions. [2019-10-22 11:26:56,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-10-22 11:26:56,086 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:26:56,086 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 11:26:56,086 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:26:56,086 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:26:56,086 INFO L82 PathProgramCache]: Analyzing trace with hash -71070855, now seen corresponding path program 1 times [2019-10-22 11:26:56,087 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:26:56,087 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [437383798] [2019-10-22 11:26:56,087 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:26:56,087 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:26:56,088 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:26:56,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:26:56,154 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 11:26:56,154 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [437383798] [2019-10-22 11:26:56,154 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:26:56,155 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 11:26:56,155 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [325499313] [2019-10-22 11:26:56,155 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 11:26:56,155 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:26:56,156 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 11:26:56,156 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 11:26:56,156 INFO L87 Difference]: Start difference. First operand 63 states and 92 transitions. Second operand 5 states. [2019-10-22 11:26:56,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:26:56,311 INFO L93 Difference]: Finished difference Result 303 states and 463 transitions. [2019-10-22 11:26:56,312 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-22 11:26:56,312 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2019-10-22 11:26:56,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:26:56,314 INFO L225 Difference]: With dead ends: 303 [2019-10-22 11:26:56,314 INFO L226 Difference]: Without dead ends: 247 [2019-10-22 11:26:56,315 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 11:26:56,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 247 states. [2019-10-22 11:26:56,329 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 247 to 111. [2019-10-22 11:26:56,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111 states. [2019-10-22 11:26:56,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 162 transitions. [2019-10-22 11:26:56,331 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 162 transitions. Word has length 25 [2019-10-22 11:26:56,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:26:56,331 INFO L462 AbstractCegarLoop]: Abstraction has 111 states and 162 transitions. [2019-10-22 11:26:56,331 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 11:26:56,331 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 162 transitions. [2019-10-22 11:26:56,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-10-22 11:26:56,332 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:26:56,332 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 11:26:56,333 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:26:56,333 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:26:56,333 INFO L82 PathProgramCache]: Analyzing trace with hash 34699249, now seen corresponding path program 1 times [2019-10-22 11:26:56,333 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:26:56,333 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [285078920] [2019-10-22 11:26:56,333 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:26:56,334 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:26:56,334 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:26:56,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:26:56,413 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 11:26:56,413 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [285078920] [2019-10-22 11:26:56,413 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:26:56,414 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 11:26:56,414 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [721848049] [2019-10-22 11:26:56,414 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 11:26:56,414 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:26:56,415 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 11:26:56,415 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 11:26:56,415 INFO L87 Difference]: Start difference. First operand 111 states and 162 transitions. Second operand 5 states. [2019-10-22 11:26:56,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:26:56,474 INFO L93 Difference]: Finished difference Result 307 states and 460 transitions. [2019-10-22 11:26:56,475 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-22 11:26:56,475 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 26 [2019-10-22 11:26:56,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:26:56,476 INFO L225 Difference]: With dead ends: 307 [2019-10-22 11:26:56,476 INFO L226 Difference]: Without dead ends: 0 [2019-10-22 11:26:56,477 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 11:26:56,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-22 11:26:56,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-22 11:26:56,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-22 11:26:56,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-22 11:26:56,478 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 26 [2019-10-22 11:26:56,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:26:56,478 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 11:26:56,478 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 11:26:56,478 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-22 11:26:56,479 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-22 11:26:56,483 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-22 11:26:56,669 INFO L439 ceAbstractionStarter]: At program point L415(lines 410 417) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) [2019-10-22 11:26:56,669 INFO L439 ceAbstractionStarter]: At program point L861(lines 856 864) the Hoare annotation is: (and (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 11:26:56,669 INFO L439 ceAbstractionStarter]: At program point L861-1(lines 856 864) the Hoare annotation is: false [2019-10-22 11:26:56,669 INFO L439 ceAbstractionStarter]: At program point L861-2(lines 856 864) the Hoare annotation is: false [2019-10-22 11:26:56,669 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-10-22 11:26:56,669 INFO L443 ceAbstractionStarter]: For program point L632(lines 632 639) no Hoare annotation was computed. [2019-10-22 11:26:56,670 INFO L446 ceAbstractionStarter]: At program point L632-1(lines 632 639) the Hoare annotation is: true [2019-10-22 11:26:56,670 INFO L443 ceAbstractionStarter]: For program point L484(lines 484 488) no Hoare annotation was computed. [2019-10-22 11:26:56,670 INFO L439 ceAbstractionStarter]: At program point L765(lines 765 771) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 11:26:56,670 INFO L439 ceAbstractionStarter]: At program point L765-1(lines 765 771) the Hoare annotation is: false [2019-10-22 11:26:56,670 INFO L439 ceAbstractionStarter]: At program point L765-2(lines 765 771) the Hoare annotation is: false [2019-10-22 11:26:56,670 INFO L443 ceAbstractionStarter]: For program point L667(lines 667 673) no Hoare annotation was computed. [2019-10-22 11:26:56,670 INFO L439 ceAbstractionStarter]: At program point L667-1(lines 667 673) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 11:26:56,671 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 940) no Hoare annotation was computed. [2019-10-22 11:26:56,671 INFO L439 ceAbstractionStarter]: At program point L916(lines 901 919) the Hoare annotation is: false [2019-10-22 11:26:56,671 INFO L439 ceAbstractionStarter]: At program point L916-1(lines 901 919) the Hoare annotation is: false [2019-10-22 11:26:56,671 INFO L439 ceAbstractionStarter]: At program point L916-2(lines 901 919) the Hoare annotation is: false [2019-10-22 11:26:56,672 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-22 11:26:56,672 INFO L439 ceAbstractionStarter]: At program point L736(lines 1 943) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) [2019-10-22 11:26:56,672 INFO L439 ceAbstractionStarter]: At program point L604(lines 600 606) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) [2019-10-22 11:26:56,672 INFO L439 ceAbstractionStarter]: At program point L538(lines 533 541) the Hoare annotation is: false [2019-10-22 11:26:56,672 INFO L439 ceAbstractionStarter]: At program point L538-1(lines 533 541) the Hoare annotation is: false [2019-10-22 11:26:56,673 INFO L443 ceAbstractionStarter]: For program point L472(lines 472 476) no Hoare annotation was computed. [2019-10-22 11:26:56,673 INFO L439 ceAbstractionStarter]: At program point L538-2(lines 533 541) the Hoare annotation is: false [2019-10-22 11:26:56,673 INFO L443 ceAbstractionStarter]: For program point L687(lines 687 700) no Hoare annotation was computed. [2019-10-22 11:26:56,673 INFO L439 ceAbstractionStarter]: At program point L555-2(lines 555 569) the Hoare annotation is: false [2019-10-22 11:26:56,673 INFO L443 ceAbstractionStarter]: For program point L556(line 556) no Hoare annotation was computed. [2019-10-22 11:26:56,673 INFO L439 ceAbstractionStarter]: At program point L705(lines 656 706) the Hoare annotation is: false [2019-10-22 11:26:56,674 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-22 11:26:56,674 INFO L443 ceAbstractionStarter]: For program point L426(lines 426 443) no Hoare annotation was computed. [2019-10-22 11:26:56,674 INFO L439 ceAbstractionStarter]: At program point L426-1(lines 1 943) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 11:26:56,674 INFO L443 ceAbstractionStarter]: For program point L426-2(lines 426 443) no Hoare annotation was computed. [2019-10-22 11:26:56,674 INFO L439 ceAbstractionStarter]: At program point L426-3(lines 1 943) the Hoare annotation is: false [2019-10-22 11:26:56,674 INFO L443 ceAbstractionStarter]: For program point L426-4(lines 426 443) no Hoare annotation was computed. [2019-10-22 11:26:56,675 INFO L439 ceAbstractionStarter]: At program point L426-5(lines 1 943) the Hoare annotation is: false [2019-10-22 11:26:56,675 INFO L446 ceAbstractionStarter]: At program point L641(lines 622 644) the Hoare annotation is: true [2019-10-22 11:26:56,675 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 940) no Hoare annotation was computed. [2019-10-22 11:26:56,675 INFO L443 ceAbstractionStarter]: For program point L790(lines 790 807) no Hoare annotation was computed. [2019-10-22 11:26:56,675 INFO L443 ceAbstractionStarter]: For program point L790-1(lines 790 807) no Hoare annotation was computed. [2019-10-22 11:26:56,675 INFO L443 ceAbstractionStarter]: For program point L790-2(lines 790 807) no Hoare annotation was computed. [2019-10-22 11:26:56,676 INFO L443 ceAbstractionStarter]: For program point L658(lines 657 704) no Hoare annotation was computed. [2019-10-22 11:26:56,676 INFO L443 ceAbstractionStarter]: For program point L559(lines 559 563) no Hoare annotation was computed. [2019-10-22 11:26:56,676 INFO L443 ceAbstractionStarter]: For program point L559-1(lines 758 764) no Hoare annotation was computed. [2019-10-22 11:26:56,676 INFO L443 ceAbstractionStarter]: For program point L460(lines 460 464) no Hoare annotation was computed. [2019-10-22 11:26:56,676 INFO L443 ceAbstractionStarter]: For program point L460-3(lines 460 464) no Hoare annotation was computed. [2019-10-22 11:26:56,676 INFO L443 ceAbstractionStarter]: For program point L460-6(lines 460 464) no Hoare annotation was computed. [2019-10-22 11:26:56,676 INFO L439 ceAbstractionStarter]: At program point L758(lines 757 776) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 11:26:56,677 INFO L443 ceAbstractionStarter]: For program point L758-1(lines 758 764) no Hoare annotation was computed. [2019-10-22 11:26:56,677 INFO L439 ceAbstractionStarter]: At program point L758-2(lines 757 776) the Hoare annotation is: false [2019-10-22 11:26:56,677 INFO L443 ceAbstractionStarter]: For program point L659(lines 659 663) no Hoare annotation was computed. [2019-10-22 11:26:56,677 INFO L439 ceAbstractionStarter]: At program point L758-3(lines 757 776) the Hoare annotation is: false [2019-10-22 11:26:56,677 INFO L443 ceAbstractionStarter]: For program point L940(line 940) no Hoare annotation was computed. [2019-10-22 11:26:56,677 INFO L443 ceAbstractionStarter]: For program point L940-1(line 940) no Hoare annotation was computed. [2019-10-22 11:26:56,677 INFO L443 ceAbstractionStarter]: For program point L940-2(line 940) no Hoare annotation was computed. [2019-10-22 11:26:56,678 INFO L443 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-10-22 11:26:56,678 INFO L443 ceAbstractionStarter]: For program point L924(lines 924 930) no Hoare annotation was computed. [2019-10-22 11:26:56,678 INFO L439 ceAbstractionStarter]: At program point L924-1(lines 924 930) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 11:26:56,678 INFO L443 ceAbstractionStarter]: For program point L693(lines 693 699) no Hoare annotation was computed. [2019-10-22 11:26:56,678 INFO L439 ceAbstractionStarter]: At program point L693-1(lines 758 764) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 11:26:56,678 INFO L443 ceAbstractionStarter]: For program point L677(lines 677 683) no Hoare annotation was computed. [2019-10-22 11:26:56,678 INFO L439 ceAbstractionStarter]: At program point L677-1(lines 677 683) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 11:26:56,679 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 940) no Hoare annotation was computed. [2019-10-22 11:26:56,679 INFO L443 ceAbstractionStarter]: For program point L430(lines 430 440) no Hoare annotation was computed. [2019-10-22 11:26:56,680 INFO L443 ceAbstractionStarter]: For program point L430-2(lines 430 440) no Hoare annotation was computed. [2019-10-22 11:26:56,680 INFO L443 ceAbstractionStarter]: For program point L430-4(lines 430 440) no Hoare annotation was computed. [2019-10-22 11:26:56,680 INFO L439 ceAbstractionStarter]: At program point L744(lines 739 747) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) [2019-10-22 11:26:56,680 INFO L443 ceAbstractionStarter]: For program point L794(lines 794 802) no Hoare annotation was computed. [2019-10-22 11:26:56,680 INFO L443 ceAbstractionStarter]: For program point L794-1(lines 794 802) no Hoare annotation was computed. [2019-10-22 11:26:56,680 INFO L443 ceAbstractionStarter]: For program point L794-2(lines 794 802) no Hoare annotation was computed. [2019-10-22 11:26:56,681 INFO L439 ceAbstractionStarter]: At program point L497(lines 492 500) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 11:26:56,681 INFO L439 ceAbstractionStarter]: At program point L497-1(lines 492 500) the Hoare annotation is: false [2019-10-22 11:26:56,681 INFO L443 ceAbstractionStarter]: For program point L431(lines 431 437) no Hoare annotation was computed. [2019-10-22 11:26:56,681 INFO L439 ceAbstractionStarter]: At program point L497-2(lines 492 500) the Hoare annotation is: false [2019-10-22 11:26:56,681 INFO L443 ceAbstractionStarter]: For program point L910(lines 910 914) no Hoare annotation was computed. [2019-10-22 11:26:56,681 INFO L443 ceAbstractionStarter]: For program point L431-2(lines 431 437) no Hoare annotation was computed. [2019-10-22 11:26:56,681 INFO L443 ceAbstractionStarter]: For program point L910-2(lines 910 914) no Hoare annotation was computed. [2019-10-22 11:26:56,682 INFO L443 ceAbstractionStarter]: For program point L910-3(lines 910 914) no Hoare annotation was computed. [2019-10-22 11:26:56,682 INFO L443 ceAbstractionStarter]: For program point L431-4(lines 431 437) no Hoare annotation was computed. [2019-10-22 11:26:56,682 INFO L443 ceAbstractionStarter]: For program point L910-5(lines 910 914) no Hoare annotation was computed. [2019-10-22 11:26:56,682 INFO L443 ceAbstractionStarter]: For program point L910-6(lines 910 914) no Hoare annotation was computed. [2019-10-22 11:26:56,682 INFO L443 ceAbstractionStarter]: For program point L910-8(lines 910 914) no Hoare annotation was computed. [2019-10-22 11:26:56,705 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 11:26:56 BoogieIcfgContainer [2019-10-22 11:26:56,705 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-22 11:26:56,706 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 11:26:56,706 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 11:26:56,706 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 11:26:56,707 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:26:55" (3/4) ... [2019-10-22 11:26:56,710 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-10-22 11:26:56,728 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-10-22 11:26:56,730 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-10-22 11:26:56,731 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2019-10-22 11:26:56,731 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-10-22 11:26:56,731 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-10-22 11:26:56,732 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-10-22 11:26:56,771 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\result == 0 && pumpRunning == 0) && 0 == splverifierCounter [2019-10-22 11:26:56,830 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_44cfe2c4-fb97-493f-ab37-d481ce905c5e/bin/utaipan/witness.graphml [2019-10-22 11:26:56,830 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 11:26:56,832 INFO L168 Benchmark]: Toolchain (without parser) took 2852.19 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.4 MB). Free memory was 944.5 MB in the beginning and 914.1 MB in the end (delta: 30.4 MB). Peak memory consumption was 168.8 MB. Max. memory is 11.5 GB. [2019-10-22 11:26:56,833 INFO L168 Benchmark]: CDTParser took 0.16 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 11:26:56,833 INFO L168 Benchmark]: CACSL2BoogieTranslator took 590.78 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.4 MB). Free memory was 944.5 MB in the beginning and 1.1 GB in the end (delta: -176.2 MB). Peak memory consumption was 23.3 MB. Max. memory is 11.5 GB. [2019-10-22 11:26:56,833 INFO L168 Benchmark]: Boogie Procedure Inliner took 63.76 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-10-22 11:26:56,834 INFO L168 Benchmark]: Boogie Preprocessor took 60.03 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 11:26:56,834 INFO L168 Benchmark]: RCFGBuilder took 708.50 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: 62.8 MB). Peak memory consumption was 62.8 MB. Max. memory is 11.5 GB. [2019-10-22 11:26:56,834 INFO L168 Benchmark]: TraceAbstraction took 1300.21 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 927.8 MB in the end (delta: 123.3 MB). Peak memory consumption was 123.3 MB. Max. memory is 11.5 GB. [2019-10-22 11:26:56,835 INFO L168 Benchmark]: Witness Printer took 124.27 ms. Allocated memory is still 1.2 GB. Free memory was 927.8 MB in the beginning and 914.1 MB in the end (delta: 13.7 MB). Peak memory consumption was 13.7 MB. Max. memory is 11.5 GB. [2019-10-22 11:26:56,837 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 966.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 590.78 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.4 MB). Free memory was 944.5 MB in the beginning and 1.1 GB in the end (delta: -176.2 MB). Peak memory consumption was 23.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 63.76 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 60.03 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 708.50 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: 62.8 MB). Peak memory consumption was 62.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1300.21 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 927.8 MB in the end (delta: 123.3 MB). Peak memory consumption was 123.3 MB. Max. memory is 11.5 GB. * Witness Printer took 124.27 ms. Allocated memory is still 1.2 GB. Free memory was 927.8 MB in the beginning and 914.1 MB in the end (delta: 13.7 MB). Peak memory consumption was 13.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 940]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 940]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 940]: 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: 632]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 622]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 656]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 757]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0 - InvariantResult [Line: 758]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 901]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 901]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 739]: Loop Invariant Derived loop invariant: (1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0 - InvariantResult [Line: 856]: Loop Invariant Derived loop invariant: (\result == 0 && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 901]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 856]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 492]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 856]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 492]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 667]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 492]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 677]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 533]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 533]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 410]: Loop Invariant Derived loop invariant: (1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0 - InvariantResult [Line: 757]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 555]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 757]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 765]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 600]: Loop Invariant Derived loop invariant: (1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0 - InvariantResult [Line: 765]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 924]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 765]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 533]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 81 locations, 3 error locations. Result: SAFE, OverallTime: 1.2s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, HoareTripleCheckerStatistics: 350 SDtfs, 321 SDslu, 370 SDs, 0 SdLazy, 49 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 21 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=111occurred in iteration=4, 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, 140 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 33 LocationsWithAnnotation, 33 PreInvPairs, 119 NumberOfFragments, 126 HoareAnnotationTreeSize, 33 FomulaSimplifications, 2679 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 33 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 112 NumberOfCodeBlocks, 112 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 107 ConstructedInterpolants, 0 QuantifiedInterpolants, 5261 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...