./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product06.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_9b8c957b-84f1-4c00-a843-2c915c118962/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_9b8c957b-84f1-4c00-a843-2c915c118962/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_9b8c957b-84f1-4c00-a843-2c915c118962/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_9b8c957b-84f1-4c00-a843-2c915c118962/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product06.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_9b8c957b-84f1-4c00-a843-2c915c118962/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_9b8c957b-84f1-4c00-a843-2c915c118962/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 2e3a30f3e039239baba08dd6989ee3f84e0fd49b ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 11:23:15,153 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 11:23:15,156 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 11:23:15,166 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 11:23:15,166 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 11:23:15,168 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 11:23:15,169 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 11:23:15,171 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 11:23:15,173 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 11:23:15,176 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 11:23:15,178 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 11:23:15,179 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 11:23:15,184 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 11:23:15,185 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 11:23:15,186 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 11:23:15,186 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 11:23:15,187 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 11:23:15,188 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 11:23:15,189 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 11:23:15,190 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 11:23:15,191 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 11:23:15,192 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 11:23:15,193 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 11:23:15,194 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 11:23:15,195 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 11:23:15,196 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 11:23:15,196 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 11:23:15,196 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 11:23:15,197 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 11:23:15,197 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 11:23:15,198 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 11:23:15,198 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 11:23:15,199 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 11:23:15,202 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 11:23:15,203 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 11:23:15,204 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 11:23:15,205 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 11:23:15,205 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 11:23:15,206 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 11:23:15,206 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 11:23:15,207 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 11:23:15,207 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_9b8c957b-84f1-4c00-a843-2c915c118962/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-10-22 11:23:15,229 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 11:23:15,229 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 11:23:15,231 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-22 11:23:15,231 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-22 11:23:15,231 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-22 11:23:15,231 INFO L138 SettingsManager]: * Explicit value domain=true [2019-10-22 11:23:15,231 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-10-22 11:23:15,231 INFO L138 SettingsManager]: * Octagon Domain=false [2019-10-22 11:23:15,232 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-10-22 11:23:15,232 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-10-22 11:23:15,232 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-10-22 11:23:15,232 INFO L138 SettingsManager]: * Interval Domain=false [2019-10-22 11:23:15,233 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 11:23:15,233 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 11:23:15,233 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 11:23:15,233 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 11:23:15,233 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 11:23:15,233 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 11:23:15,234 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 11:23:15,234 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 11:23:15,234 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 11:23:15,234 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 11:23:15,234 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 11:23:15,234 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 11:23:15,235 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 11:23:15,235 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 11:23:15,235 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 11:23:15,235 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 11:23:15,237 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 11:23:15,237 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 11:23:15,237 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 11:23:15,237 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-10-22 11:23:15,237 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 11:23:15,237 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 11:23:15,238 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-22 11:23:15,238 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_9b8c957b-84f1-4c00-a843-2c915c118962/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 -> 2e3a30f3e039239baba08dd6989ee3f84e0fd49b [2019-10-22 11:23:15,271 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 11:23:15,283 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 11:23:15,286 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 11:23:15,288 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 11:23:15,288 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 11:23:15,289 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_9b8c957b-84f1-4c00-a843-2c915c118962/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec1_product06.cil.c [2019-10-22 11:23:15,341 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_9b8c957b-84f1-4c00-a843-2c915c118962/bin/utaipan/data/97ffbe06e/a3a805c5cb1241f383993e5ceb09e96b/FLAGff8cee166 [2019-10-22 11:23:15,786 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 11:23:15,789 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_9b8c957b-84f1-4c00-a843-2c915c118962/sv-benchmarks/c/product-lines/minepump_spec1_product06.cil.c [2019-10-22 11:23:15,798 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_9b8c957b-84f1-4c00-a843-2c915c118962/bin/utaipan/data/97ffbe06e/a3a805c5cb1241f383993e5ceb09e96b/FLAGff8cee166 [2019-10-22 11:23:15,808 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_9b8c957b-84f1-4c00-a843-2c915c118962/bin/utaipan/data/97ffbe06e/a3a805c5cb1241f383993e5ceb09e96b [2019-10-22 11:23:15,810 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 11:23:15,811 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 11:23:15,812 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 11:23:15,812 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 11:23:15,815 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 11:23:15,816 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:23:15" (1/1) ... [2019-10-22 11:23:15,819 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38bc80b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:15, skipping insertion in model container [2019-10-22 11:23:15,819 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:23:15" (1/1) ... [2019-10-22 11:23:15,826 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 11:23:15,861 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 11:23:16,201 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:23:16,213 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 11:23:16,281 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:23:16,306 INFO L192 MainTranslator]: Completed translation [2019-10-22 11:23:16,307 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:16 WrapperNode [2019-10-22 11:23:16,307 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 11:23:16,308 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 11:23:16,308 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 11:23:16,308 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 11:23:16,317 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:16" (1/1) ... [2019-10-22 11:23:16,332 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:16" (1/1) ... [2019-10-22 11:23:16,364 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 11:23:16,364 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 11:23:16,364 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 11:23:16,364 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 11:23:16,374 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:16" (1/1) ... [2019-10-22 11:23:16,374 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:16" (1/1) ... [2019-10-22 11:23:16,377 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:16" (1/1) ... [2019-10-22 11:23:16,377 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:16" (1/1) ... [2019-10-22 11:23:16,386 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:16" (1/1) ... [2019-10-22 11:23:16,391 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:16" (1/1) ... [2019-10-22 11:23:16,394 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:16" (1/1) ... [2019-10-22 11:23:16,398 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 11:23:16,398 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 11:23:16,398 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 11:23:16,398 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 11:23:16,399 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:16" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9b8c957b-84f1-4c00-a843-2c915c118962/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 11:23:16,472 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 11:23:16,472 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-22 11:23:16,472 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 11:23:16,473 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 11:23:17,077 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 11:23:17,077 INFO L284 CfgBuilder]: Removed 98 assume(true) statements. [2019-10-22 11:23:17,078 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:23:17 BoogieIcfgContainer [2019-10-22 11:23:17,079 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 11:23:17,079 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 11:23:17,080 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 11:23:17,082 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 11:23:17,083 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 11:23:15" (1/3) ... [2019-10-22 11:23:17,083 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@160047c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:23:17, skipping insertion in model container [2019-10-22 11:23:17,084 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:16" (2/3) ... [2019-10-22 11:23:17,084 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@160047c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:23:17, skipping insertion in model container [2019-10-22 11:23:17,084 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:23:17" (3/3) ... [2019-10-22 11:23:17,086 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product06.cil.c [2019-10-22 11:23:17,095 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 11:23:17,103 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-10-22 11:23:17,113 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-10-22 11:23:17,134 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 11:23:17,134 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-22 11:23:17,135 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 11:23:17,135 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 11:23:17,135 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 11:23:17,135 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 11:23:17,135 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 11:23:17,135 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 11:23:17,149 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states. [2019-10-22 11:23:17,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-10-22 11:23:17,155 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:23:17,155 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:23:17,157 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:23:17,162 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:23:17,162 INFO L82 PathProgramCache]: Analyzing trace with hash 655576763, now seen corresponding path program 1 times [2019-10-22 11:23:17,170 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:23:17,171 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [372483865] [2019-10-22 11:23:17,171 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:17,171 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:17,171 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:23:17,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:23:17,384 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 11:23:17,385 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [372483865] [2019-10-22 11:23:17,385 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:23:17,392 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 11:23:17,392 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1104633917] [2019-10-22 11:23:17,396 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-22 11:23:17,397 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:23:17,413 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-22 11:23:17,413 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-22 11:23:17,415 INFO L87 Difference]: Start difference. First operand 69 states. Second operand 2 states. [2019-10-22 11:23:17,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:23:17,434 INFO L93 Difference]: Finished difference Result 132 states and 197 transitions. [2019-10-22 11:23:17,435 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-22 11:23:17,436 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2019-10-22 11:23:17,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:23:17,446 INFO L225 Difference]: With dead ends: 132 [2019-10-22 11:23:17,446 INFO L226 Difference]: Without dead ends: 65 [2019-10-22 11:23:17,449 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 11:23:17,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2019-10-22 11:23:17,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2019-10-22 11:23:17,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2019-10-22 11:23:17,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 90 transitions. [2019-10-22 11:23:17,486 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 90 transitions. Word has length 16 [2019-10-22 11:23:17,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:23:17,487 INFO L462 AbstractCegarLoop]: Abstraction has 65 states and 90 transitions. [2019-10-22 11:23:17,487 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-22 11:23:17,487 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 90 transitions. [2019-10-22 11:23:17,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-10-22 11:23:17,488 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:23:17,488 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:23:17,489 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:23:17,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:23:17,489 INFO L82 PathProgramCache]: Analyzing trace with hash -391180134, now seen corresponding path program 1 times [2019-10-22 11:23:17,489 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:23:17,489 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1203030502] [2019-10-22 11:23:17,490 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:17,490 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:17,490 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:23:17,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:23:17,588 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 11:23:17,589 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1203030502] [2019-10-22 11:23:17,589 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:23:17,589 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 11:23:17,589 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [555612697] [2019-10-22 11:23:17,590 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 11:23:17,590 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:23:17,591 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 11:23:17,591 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:23:17,591 INFO L87 Difference]: Start difference. First operand 65 states and 90 transitions. Second operand 3 states. [2019-10-22 11:23:17,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:23:17,606 INFO L93 Difference]: Finished difference Result 65 states and 90 transitions. [2019-10-22 11:23:17,607 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 11:23:17,607 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2019-10-22 11:23:17,607 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:23:17,608 INFO L225 Difference]: With dead ends: 65 [2019-10-22 11:23:17,608 INFO L226 Difference]: Without dead ends: 31 [2019-10-22 11:23:17,609 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 11:23:17,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2019-10-22 11:23:17,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2019-10-22 11:23:17,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2019-10-22 11:23:17,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 43 transitions. [2019-10-22 11:23:17,614 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 43 transitions. Word has length 17 [2019-10-22 11:23:17,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:23:17,614 INFO L462 AbstractCegarLoop]: Abstraction has 31 states and 43 transitions. [2019-10-22 11:23:17,614 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 11:23:17,614 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 43 transitions. [2019-10-22 11:23:17,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-10-22 11:23:17,615 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:23:17,615 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] [2019-10-22 11:23:17,615 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:23:17,615 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:23:17,615 INFO L82 PathProgramCache]: Analyzing trace with hash 914910598, now seen corresponding path program 1 times [2019-10-22 11:23:17,616 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:23:17,616 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2116128536] [2019-10-22 11:23:17,616 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:17,616 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:17,616 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:23:17,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:23:17,705 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 11:23:17,705 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2116128536] [2019-10-22 11:23:17,705 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:23:17,706 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 11:23:17,706 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1385298603] [2019-10-22 11:23:17,706 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 11:23:17,706 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:23:17,706 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 11:23:17,707 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:23:17,707 INFO L87 Difference]: Start difference. First operand 31 states and 43 transitions. Second operand 3 states. [2019-10-22 11:23:17,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:23:17,737 INFO L93 Difference]: Finished difference Result 56 states and 80 transitions. [2019-10-22 11:23:17,739 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 11:23:17,739 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2019-10-22 11:23:17,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:23:17,740 INFO L225 Difference]: With dead ends: 56 [2019-10-22 11:23:17,740 INFO L226 Difference]: Without dead ends: 31 [2019-10-22 11:23:17,740 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 11:23:17,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2019-10-22 11:23:17,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2019-10-22 11:23:17,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2019-10-22 11:23:17,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 42 transitions. [2019-10-22 11:23:17,745 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 42 transitions. Word has length 22 [2019-10-22 11:23:17,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:23:17,745 INFO L462 AbstractCegarLoop]: Abstraction has 31 states and 42 transitions. [2019-10-22 11:23:17,745 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 11:23:17,745 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 42 transitions. [2019-10-22 11:23:17,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-10-22 11:23:17,746 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:23:17,746 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] [2019-10-22 11:23:17,746 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:23:17,746 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:23:17,747 INFO L82 PathProgramCache]: Analyzing trace with hash 927653314, now seen corresponding path program 1 times [2019-10-22 11:23:17,747 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:23:17,747 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1083753956] [2019-10-22 11:23:17,750 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:17,750 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:17,750 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:23:17,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:23:17,851 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 11:23:17,852 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1083753956] [2019-10-22 11:23:17,852 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:23:17,852 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 11:23:17,852 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [775111595] [2019-10-22 11:23:17,852 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 11:23:17,853 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:23:17,853 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 11:23:17,853 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 11:23:17,853 INFO L87 Difference]: Start difference. First operand 31 states and 42 transitions. Second operand 5 states. [2019-10-22 11:23:17,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:23:17,964 INFO L93 Difference]: Finished difference Result 132 states and 195 transitions. [2019-10-22 11:23:17,971 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-22 11:23:17,972 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2019-10-22 11:23:17,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:23:17,973 INFO L225 Difference]: With dead ends: 132 [2019-10-22 11:23:17,973 INFO L226 Difference]: Without dead ends: 107 [2019-10-22 11:23:17,973 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 11:23:17,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2019-10-22 11:23:17,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 52. [2019-10-22 11:23:17,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2019-10-22 11:23:17,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 72 transitions. [2019-10-22 11:23:17,983 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 72 transitions. Word has length 23 [2019-10-22 11:23:17,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:23:17,984 INFO L462 AbstractCegarLoop]: Abstraction has 52 states and 72 transitions. [2019-10-22 11:23:17,984 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 11:23:17,984 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 72 transitions. [2019-10-22 11:23:17,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-10-22 11:23:17,985 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:23:17,985 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 11:23:17,985 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:23:17,985 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:23:17,985 INFO L82 PathProgramCache]: Analyzing trace with hash -1414455604, now seen corresponding path program 1 times [2019-10-22 11:23:17,986 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:23:17,986 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1882761514] [2019-10-22 11:23:17,986 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:17,986 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:17,986 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:23:18,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:23:18,051 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 11:23:18,051 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1882761514] [2019-10-22 11:23:18,051 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:23:18,052 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 11:23:18,052 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1561261362] [2019-10-22 11:23:18,052 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 11:23:18,052 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:23:18,053 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 11:23:18,053 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 11:23:18,053 INFO L87 Difference]: Start difference. First operand 52 states and 72 transitions. Second operand 5 states. [2019-10-22 11:23:18,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:23:18,105 INFO L93 Difference]: Finished difference Result 144 states and 209 transitions. [2019-10-22 11:23:18,105 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-22 11:23:18,105 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2019-10-22 11:23:18,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:23:18,106 INFO L225 Difference]: With dead ends: 144 [2019-10-22 11:23:18,106 INFO L226 Difference]: Without dead ends: 0 [2019-10-22 11:23:18,107 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 11:23:18,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-22 11:23:18,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-22 11:23:18,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-22 11:23:18,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-22 11:23:18,107 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 24 [2019-10-22 11:23:18,107 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:23:18,108 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 11:23:18,108 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 11:23:18,108 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-22 11:23:18,108 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-22 11:23:18,112 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-22 11:23:18,350 INFO L439 ceAbstractionStarter]: At program point L828(lines 823 831) the Hoare annotation is: (and (= 1 ~systemActive~0) (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 11:23:18,350 INFO L439 ceAbstractionStarter]: At program point L828-1(lines 823 831) the Hoare annotation is: false [2019-10-22 11:23:18,351 INFO L439 ceAbstractionStarter]: At program point L828-2(lines 823 831) the Hoare annotation is: false [2019-10-22 11:23:18,351 INFO L443 ceAbstractionStarter]: For program point L531(lines 531 538) no Hoare annotation was computed. [2019-10-22 11:23:18,351 INFO L446 ceAbstractionStarter]: At program point L531-1(lines 531 538) the Hoare annotation is: true [2019-10-22 11:23:18,351 INFO L443 ceAbstractionStarter]: For program point L779(lines 779 787) no Hoare annotation was computed. [2019-10-22 11:23:18,351 INFO L443 ceAbstractionStarter]: For program point L779-1(lines 779 787) no Hoare annotation was computed. [2019-10-22 11:23:18,351 INFO L443 ceAbstractionStarter]: For program point L779-2(lines 779 787) no Hoare annotation was computed. [2019-10-22 11:23:18,351 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-10-22 11:23:18,352 INFO L443 ceAbstractionStarter]: For program point L697(lines 697 703) no Hoare annotation was computed. [2019-10-22 11:23:18,352 INFO L439 ceAbstractionStarter]: At program point L697-1(lines 697 703) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 11:23:18,352 INFO L443 ceAbstractionStarter]: For program point L715(lines 715 719) no Hoare annotation was computed. [2019-10-22 11:23:18,352 INFO L439 ceAbstractionStarter]: At program point L715-2(lines 743 749) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 11:23:18,352 INFO L443 ceAbstractionStarter]: For program point L616(lines 616 620) no Hoare annotation was computed. [2019-10-22 11:23:18,352 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 578) no Hoare annotation was computed. [2019-10-22 11:23:18,353 INFO L439 ceAbstractionStarter]: At program point L750(lines 750 756) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 11:23:18,353 INFO L439 ceAbstractionStarter]: At program point L750-1(lines 750 756) the Hoare annotation is: false [2019-10-22 11:23:18,353 INFO L439 ceAbstractionStarter]: At program point L750-2(lines 750 756) the Hoare annotation is: false [2019-10-22 11:23:18,353 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 578) no Hoare annotation was computed. [2019-10-22 11:23:18,353 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-22 11:23:18,354 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 578) no Hoare annotation was computed. [2019-10-22 11:23:18,354 INFO L443 ceAbstractionStarter]: For program point L604(lines 604 608) no Hoare annotation was computed. [2019-10-22 11:23:18,354 INFO L439 ceAbstractionStarter]: At program point L439(lines 434 442) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) [2019-10-22 11:23:18,354 INFO L439 ceAbstractionStarter]: At program point L819(lines 812 822) the Hoare annotation is: false [2019-10-22 11:23:18,354 INFO L439 ceAbstractionStarter]: At program point L819-1(lines 812 822) the Hoare annotation is: false [2019-10-22 11:23:18,354 INFO L439 ceAbstractionStarter]: At program point L819-2(lines 812 822) the Hoare annotation is: false [2019-10-22 11:23:18,355 INFO L443 ceAbstractionStarter]: For program point L687(lines 687 693) no Hoare annotation was computed. [2019-10-22 11:23:18,355 INFO L439 ceAbstractionStarter]: At program point L687-1(lines 687 693) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 11:23:18,355 INFO L439 ceAbstractionStarter]: At program point L456-2(lines 456 470) the Hoare annotation is: false [2019-10-22 11:23:18,355 INFO L443 ceAbstractionStarter]: For program point L556(lines 556 569) no Hoare annotation was computed. [2019-10-22 11:23:18,355 INFO L439 ceAbstractionStarter]: At program point L556-1(lines 1 875) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 11:23:18,356 INFO L443 ceAbstractionStarter]: For program point L556-2(lines 556 569) no Hoare annotation was computed. [2019-10-22 11:23:18,356 INFO L439 ceAbstractionStarter]: At program point L556-3(lines 1 875) the Hoare annotation is: false [2019-10-22 11:23:18,356 INFO L443 ceAbstractionStarter]: For program point L457(line 457) no Hoare annotation was computed. [2019-10-22 11:23:18,356 INFO L443 ceAbstractionStarter]: For program point L556-4(lines 556 569) no Hoare annotation was computed. [2019-10-22 11:23:18,356 INFO L439 ceAbstractionStarter]: At program point L556-5(lines 1 875) the Hoare annotation is: false [2019-10-22 11:23:18,356 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-22 11:23:18,356 INFO L446 ceAbstractionStarter]: At program point L540(lines 521 543) the Hoare annotation is: true [2019-10-22 11:23:18,357 INFO L439 ceAbstractionStarter]: At program point L507(lines 503 509) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) [2019-10-22 11:23:18,357 INFO L443 ceAbstractionStarter]: For program point L707(lines 707 720) no Hoare annotation was computed. [2019-10-22 11:23:18,357 INFO L443 ceAbstractionStarter]: For program point L592(lines 592 596) no Hoare annotation was computed. [2019-10-22 11:23:18,357 INFO L443 ceAbstractionStarter]: For program point L592-3(lines 592 596) no Hoare annotation was computed. [2019-10-22 11:23:18,357 INFO L443 ceAbstractionStarter]: For program point L460(lines 460 464) no Hoare annotation was computed. [2019-10-22 11:23:18,357 INFO L443 ceAbstractionStarter]: For program point L460-1(lines 743 749) no Hoare annotation was computed. [2019-10-22 11:23:18,357 INFO L443 ceAbstractionStarter]: For program point L592-6(lines 592 596) no Hoare annotation was computed. [2019-10-22 11:23:18,358 INFO L439 ceAbstractionStarter]: At program point L725(lines 676 726) the Hoare annotation is: false [2019-10-22 11:23:18,358 INFO L443 ceAbstractionStarter]: For program point L560(lines 560 566) no Hoare annotation was computed. [2019-10-22 11:23:18,358 INFO L443 ceAbstractionStarter]: For program point L560-2(lines 560 566) no Hoare annotation was computed. [2019-10-22 11:23:18,358 INFO L443 ceAbstractionStarter]: For program point L560-4(lines 560 566) no Hoare annotation was computed. [2019-10-22 11:23:18,358 INFO L443 ceAbstractionStarter]: For program point L775(lines 775 792) no Hoare annotation was computed. [2019-10-22 11:23:18,358 INFO L443 ceAbstractionStarter]: For program point L775-1(lines 775 792) no Hoare annotation was computed. [2019-10-22 11:23:18,358 INFO L443 ceAbstractionStarter]: For program point L775-2(lines 775 792) no Hoare annotation was computed. [2019-10-22 11:23:18,359 INFO L443 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-10-22 11:23:18,359 INFO L439 ceAbstractionStarter]: At program point L743(lines 742 761) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 11:23:18,359 INFO L443 ceAbstractionStarter]: For program point L743-1(lines 743 749) no Hoare annotation was computed. [2019-10-22 11:23:18,359 INFO L439 ceAbstractionStarter]: At program point L743-2(lines 742 761) the Hoare annotation is: false [2019-10-22 11:23:18,359 INFO L439 ceAbstractionStarter]: At program point L743-3(lines 742 761) the Hoare annotation is: false [2019-10-22 11:23:18,359 INFO L443 ceAbstractionStarter]: For program point L578(line 578) no Hoare annotation was computed. [2019-10-22 11:23:18,359 INFO L443 ceAbstractionStarter]: For program point L578-1(line 578) no Hoare annotation was computed. [2019-10-22 11:23:18,360 INFO L443 ceAbstractionStarter]: For program point L578-2(line 578) no Hoare annotation was computed. [2019-10-22 11:23:18,360 INFO L443 ceAbstractionStarter]: For program point L678(lines 677 724) no Hoare annotation was computed. [2019-10-22 11:23:18,360 INFO L439 ceAbstractionStarter]: At program point L629(lines 624 632) the Hoare annotation is: false [2019-10-22 11:23:18,360 INFO L439 ceAbstractionStarter]: At program point L629-1(lines 624 632) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 11:23:18,360 INFO L439 ceAbstractionStarter]: At program point L629-2(lines 624 632) the Hoare annotation is: false [2019-10-22 11:23:18,360 INFO L439 ceAbstractionStarter]: At program point L629-3(lines 624 632) the Hoare annotation is: false [2019-10-22 11:23:18,360 INFO L439 ceAbstractionStarter]: At program point L629-4(lines 624 632) the Hoare annotation is: false [2019-10-22 11:23:18,361 INFO L439 ceAbstractionStarter]: At program point L629-5(lines 624 632) the Hoare annotation is: false [2019-10-22 11:23:18,361 INFO L439 ceAbstractionStarter]: At program point L431(lines 1 875) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) [2019-10-22 11:23:18,361 INFO L443 ceAbstractionStarter]: For program point L679(lines 679 683) no Hoare annotation was computed. [2019-10-22 11:23:18,383 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 11:23:18 BoogieIcfgContainer [2019-10-22 11:23:18,385 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-22 11:23:18,386 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 11:23:18,386 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 11:23:18,386 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 11:23:18,387 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:23:17" (3/4) ... [2019-10-22 11:23:18,391 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-10-22 11:23:18,407 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-10-22 11:23:18,409 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-10-22 11:23:18,410 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2019-10-22 11:23:18,410 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-10-22 11:23:18,411 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-10-22 11:23:18,411 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-10-22 11:23:18,443 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((1 == systemActive && \result == 0) && pumpRunning == 0) && 0 == splverifierCounter [2019-10-22 11:23:18,485 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_9b8c957b-84f1-4c00-a843-2c915c118962/bin/utaipan/witness.graphml [2019-10-22 11:23:18,485 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 11:23:18,487 INFO L168 Benchmark]: Toolchain (without parser) took 2675.59 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 171.4 MB). Free memory was 941.8 MB in the beginning and 967.1 MB in the end (delta: -25.3 MB). Peak memory consumption was 146.1 MB. Max. memory is 11.5 GB. [2019-10-22 11:23:18,487 INFO L168 Benchmark]: CDTParser took 0.18 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 11:23:18,487 INFO L168 Benchmark]: CACSL2BoogieTranslator took 495.64 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 171.4 MB). Free memory was 941.8 MB in the beginning and 1.2 GB in the end (delta: -212.8 MB). Peak memory consumption was 23.3 MB. Max. memory is 11.5 GB. [2019-10-22 11:23:18,488 INFO L168 Benchmark]: Boogie Procedure Inliner took 55.85 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. [2019-10-22 11:23:18,488 INFO L168 Benchmark]: Boogie Preprocessor took 33.86 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. [2019-10-22 11:23:18,488 INFO L168 Benchmark]: RCFGBuilder took 680.67 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: 52.6 MB). Peak memory consumption was 52.6 MB. Max. memory is 11.5 GB. [2019-10-22 11:23:18,489 INFO L168 Benchmark]: TraceAbstraction took 1306.11 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 974.2 MB in the end (delta: 118.9 MB). Peak memory consumption was 118.9 MB. Max. memory is 11.5 GB. [2019-10-22 11:23:18,489 INFO L168 Benchmark]: Witness Printer took 99.02 ms. Allocated memory is still 1.2 GB. Free memory was 974.2 MB in the beginning and 967.1 MB in the end (delta: 7.1 MB). Peak memory consumption was 7.1 MB. Max. memory is 11.5 GB. [2019-10-22 11:23:18,491 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 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 495.64 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 171.4 MB). Free memory was 941.8 MB in the beginning and 1.2 GB in the end (delta: -212.8 MB). Peak memory consumption was 23.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 55.85 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 33.86 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 680.67 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: 52.6 MB). Peak memory consumption was 52.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1306.11 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 974.2 MB in the end (delta: 118.9 MB). Peak memory consumption was 118.9 MB. Max. memory is 11.5 GB. * Witness Printer took 99.02 ms. Allocated memory is still 1.2 GB. Free memory was 974.2 MB in the beginning and 967.1 MB in the end (delta: 7.1 MB). Peak memory consumption was 7.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 578]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 578]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 578]: 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: 687]: Loop Invariant Derived loop invariant: (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 676]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 624]: Loop Invariant Derived loop invariant: (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 743]: Loop Invariant Derived loop invariant: (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 624]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 812]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 624]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 812]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 823]: Loop Invariant Derived loop invariant: ((1 == systemActive && \result == 0) && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 624]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 812]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 823]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 624]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 823]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0 - InvariantResult [Line: 742]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 750]: Loop Invariant Derived loop invariant: (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 697]: Loop Invariant Derived loop invariant: (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 750]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 434]: Loop Invariant Derived loop invariant: (1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0 - InvariantResult [Line: 750]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 624]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 531]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 742]: Loop Invariant Derived loop invariant: (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 521]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 456]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 503]: Loop Invariant Derived loop invariant: (1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0 - InvariantResult [Line: 742]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 69 locations, 3 error locations. Result: SAFE, OverallTime: 1.2s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, HoareTripleCheckerStatistics: 286 SDtfs, 276 SDslu, 233 SDs, 0 SdLazy, 53 SolverSat, 11 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 22 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=69occurred 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, 55 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 31 LocationsWithAnnotation, 31 PreInvPairs, 72 NumberOfFragments, 133 HoareAnnotationTreeSize, 31 FomulaSimplifications, 1276 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 31 FomulaSimplificationsInter, 49 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 102 NumberOfCodeBlocks, 102 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 97 ConstructedInterpolants, 0 QuantifiedInterpolants, 3931 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...