./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product22.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_8fd01729-bee8-4abc-875d-db5fa338fc06/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_8fd01729-bee8-4abc-875d-db5fa338fc06/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_8fd01729-bee8-4abc-875d-db5fa338fc06/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_8fd01729-bee8-4abc-875d-db5fa338fc06/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product22.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_8fd01729-bee8-4abc-875d-db5fa338fc06/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_8fd01729-bee8-4abc-875d-db5fa338fc06/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 a844f2570635c0549a90fa68b4a0ca8e0d5c4fa4 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-10-22 11:25:50,149 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 11:25:50,151 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 11:25:50,162 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 11:25:50,163 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 11:25:50,164 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 11:25:50,165 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 11:25:50,168 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 11:25:50,170 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 11:25:50,173 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 11:25:50,175 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 11:25:50,176 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 11:25:50,184 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 11:25:50,185 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 11:25:50,186 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 11:25:50,187 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 11:25:50,187 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 11:25:50,188 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 11:25:50,192 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 11:25:50,194 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 11:25:50,199 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 11:25:50,200 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 11:25:50,201 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 11:25:50,201 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 11:25:50,203 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 11:25:50,203 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 11:25:50,203 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 11:25:50,204 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 11:25:50,204 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 11:25:50,210 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 11:25:50,211 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 11:25:50,212 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 11:25:50,213 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 11:25:50,213 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 11:25:50,214 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 11:25:50,214 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 11:25:50,215 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 11:25:50,215 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 11:25:50,215 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 11:25:50,216 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 11:25:50,219 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 11:25:50,220 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_8fd01729-bee8-4abc-875d-db5fa338fc06/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-10-22 11:25:50,231 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 11:25:50,231 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 11:25:50,232 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-22 11:25:50,232 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-22 11:25:50,232 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-22 11:25:50,234 INFO L138 SettingsManager]: * Explicit value domain=true [2019-10-22 11:25:50,234 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-10-22 11:25:50,234 INFO L138 SettingsManager]: * Octagon Domain=false [2019-10-22 11:25:50,235 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-10-22 11:25:50,235 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-10-22 11:25:50,235 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-10-22 11:25:50,235 INFO L138 SettingsManager]: * Interval Domain=false [2019-10-22 11:25:50,236 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 11:25:50,236 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 11:25:50,236 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 11:25:50,236 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 11:25:50,236 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 11:25:50,237 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 11:25:50,237 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 11:25:50,237 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 11:25:50,237 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 11:25:50,237 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 11:25:50,237 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 11:25:50,238 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 11:25:50,239 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 11:25:50,239 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 11:25:50,239 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 11:25:50,239 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 11:25:50,239 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 11:25:50,240 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 11:25:50,240 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 11:25:50,240 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-10-22 11:25:50,240 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 11:25:50,240 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 11:25:50,240 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-22 11:25:50,241 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_8fd01729-bee8-4abc-875d-db5fa338fc06/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 -> a844f2570635c0549a90fa68b4a0ca8e0d5c4fa4 [2019-10-22 11:25:50,275 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 11:25:50,286 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 11:25:50,289 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 11:25:50,291 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 11:25:50,291 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 11:25:50,292 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_8fd01729-bee8-4abc-875d-db5fa338fc06/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec1_product22.cil.c [2019-10-22 11:25:50,339 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8fd01729-bee8-4abc-875d-db5fa338fc06/bin/utaipan/data/79da510e9/91b351b10c31493ab793abf918000ee5/FLAG55459e112 [2019-10-22 11:25:50,776 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 11:25:50,777 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_8fd01729-bee8-4abc-875d-db5fa338fc06/sv-benchmarks/c/product-lines/minepump_spec1_product22.cil.c [2019-10-22 11:25:50,787 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8fd01729-bee8-4abc-875d-db5fa338fc06/bin/utaipan/data/79da510e9/91b351b10c31493ab793abf918000ee5/FLAG55459e112 [2019-10-22 11:25:51,141 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_8fd01729-bee8-4abc-875d-db5fa338fc06/bin/utaipan/data/79da510e9/91b351b10c31493ab793abf918000ee5 [2019-10-22 11:25:51,144 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 11:25:51,145 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 11:25:51,146 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 11:25:51,146 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 11:25:51,149 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 11:25:51,150 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:25:51" (1/1) ... [2019-10-22 11:25:51,152 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@576275af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:25:51, skipping insertion in model container [2019-10-22 11:25:51,152 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:25:51" (1/1) ... [2019-10-22 11:25:51,159 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 11:25:51,208 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 11:25:51,600 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:25:51,623 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 11:25:51,726 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:25:51,750 INFO L192 MainTranslator]: Completed translation [2019-10-22 11:25:51,750 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:25:51 WrapperNode [2019-10-22 11:25:51,751 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 11:25:51,751 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 11:25:51,751 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 11:25:51,751 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 11:25:51,760 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:25:51" (1/1) ... [2019-10-22 11:25:51,777 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:25:51" (1/1) ... [2019-10-22 11:25:51,812 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 11:25:51,817 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 11:25:51,817 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 11:25:51,817 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 11:25:51,826 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:25:51" (1/1) ... [2019-10-22 11:25:51,826 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:25:51" (1/1) ... [2019-10-22 11:25:51,829 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:25:51" (1/1) ... [2019-10-22 11:25:51,830 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:25:51" (1/1) ... [2019-10-22 11:25:51,838 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:25:51" (1/1) ... [2019-10-22 11:25:51,847 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:25:51" (1/1) ... [2019-10-22 11:25:51,849 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:25:51" (1/1) ... [2019-10-22 11:25:51,855 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 11:25:51,855 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 11:25:51,855 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 11:25:51,855 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 11:25:51,856 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:25:51" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8fd01729-bee8-4abc-875d-db5fa338fc06/bin/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 11:25:51,907 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 11:25:51,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-22 11:25:51,908 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 11:25:51,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 11:25:52,545 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 11:25:52,546 INFO L284 CfgBuilder]: Removed 158 assume(true) statements. [2019-10-22 11:25:52,547 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:25:52 BoogieIcfgContainer [2019-10-22 11:25:52,547 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 11:25:52,548 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 11:25:52,548 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 11:25:52,551 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 11:25:52,551 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 11:25:51" (1/3) ... [2019-10-22 11:25:52,552 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f7a8c2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:25:52, skipping insertion in model container [2019-10-22 11:25:52,552 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:25:51" (2/3) ... [2019-10-22 11:25:52,552 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f7a8c2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:25:52, skipping insertion in model container [2019-10-22 11:25:52,553 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:25:52" (3/3) ... [2019-10-22 11:25:52,554 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product22.cil.c [2019-10-22 11:25:52,563 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 11:25:52,570 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-10-22 11:25:52,580 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-10-22 11:25:52,603 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 11:25:52,603 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-22 11:25:52,603 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 11:25:52,604 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 11:25:52,604 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 11:25:52,604 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 11:25:52,604 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 11:25:52,604 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 11:25:52,625 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states. [2019-10-22 11:25:52,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-10-22 11:25:52,631 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:25:52,632 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:25:52,634 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:25:52,640 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:25:52,641 INFO L82 PathProgramCache]: Analyzing trace with hash -1818136157, now seen corresponding path program 1 times [2019-10-22 11:25:52,649 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:25:52,649 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1650181473] [2019-10-22 11:25:52,650 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:25:52,650 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:25:52,650 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:25:52,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:25:52,848 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:25:52,849 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1650181473] [2019-10-22 11:25:52,850 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:25:52,850 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 11:25:52,850 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1061200544] [2019-10-22 11:25:52,862 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-22 11:25:52,863 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:25:52,875 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-22 11:25:52,876 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-22 11:25:52,878 INFO L87 Difference]: Start difference. First operand 105 states. Second operand 2 states. [2019-10-22 11:25:52,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:25:52,904 INFO L93 Difference]: Finished difference Result 204 states and 305 transitions. [2019-10-22 11:25:52,905 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-22 11:25:52,906 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2019-10-22 11:25:52,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:25:52,916 INFO L225 Difference]: With dead ends: 204 [2019-10-22 11:25:52,916 INFO L226 Difference]: Without dead ends: 101 [2019-10-22 11:25:52,919 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-22 11:25:52,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2019-10-22 11:25:52,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 101. [2019-10-22 11:25:52,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 101 states. [2019-10-22 11:25:52,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 144 transitions. [2019-10-22 11:25:52,959 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 144 transitions. Word has length 16 [2019-10-22 11:25:52,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:25:52,959 INFO L462 AbstractCegarLoop]: Abstraction has 101 states and 144 transitions. [2019-10-22 11:25:52,959 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-22 11:25:52,959 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 144 transitions. [2019-10-22 11:25:52,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-10-22 11:25:52,960 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:25:52,960 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 11:25:52,963 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:25:52,964 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:25:52,964 INFO L82 PathProgramCache]: Analyzing trace with hash 1430074242, now seen corresponding path program 1 times [2019-10-22 11:25:52,964 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:25:52,964 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [378887924] [2019-10-22 11:25:52,964 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:25:52,965 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:25:52,965 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:25:53,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:25:53,077 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:25:53,078 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [378887924] [2019-10-22 11:25:53,078 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:25:53,078 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 11:25:53,078 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1962378004] [2019-10-22 11:25:53,080 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 11:25:53,080 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:25:53,080 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 11:25:53,080 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:25:53,081 INFO L87 Difference]: Start difference. First operand 101 states and 144 transitions. Second operand 3 states. [2019-10-22 11:25:53,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:25:53,100 INFO L93 Difference]: Finished difference Result 101 states and 144 transitions. [2019-10-22 11:25:53,101 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 11:25:53,101 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2019-10-22 11:25:53,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:25:53,102 INFO L225 Difference]: With dead ends: 101 [2019-10-22 11:25:53,102 INFO L226 Difference]: Without dead ends: 43 [2019-10-22 11:25:53,103 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:25:53,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2019-10-22 11:25:53,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2019-10-22 11:25:53,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2019-10-22 11:25:53,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 61 transitions. [2019-10-22 11:25:53,114 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 61 transitions. Word has length 17 [2019-10-22 11:25:53,115 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:25:53,115 INFO L462 AbstractCegarLoop]: Abstraction has 43 states and 61 transitions. [2019-10-22 11:25:53,115 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 11:25:53,115 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 61 transitions. [2019-10-22 11:25:53,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-10-22 11:25:53,116 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:25:53,116 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 11:25:53,116 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:25:53,116 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:25:53,117 INFO L82 PathProgramCache]: Analyzing trace with hash 1358801466, now seen corresponding path program 1 times [2019-10-22 11:25:53,117 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:25:53,117 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [604502225] [2019-10-22 11:25:53,117 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:25:53,117 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:25:53,117 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:25:53,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:25:53,242 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:25:53,242 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [604502225] [2019-10-22 11:25:53,242 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:25:53,243 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 11:25:53,243 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [790561118] [2019-10-22 11:25:53,243 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 11:25:53,243 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:25:53,243 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 11:25:53,244 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:25:53,244 INFO L87 Difference]: Start difference. First operand 43 states and 61 transitions. Second operand 3 states. [2019-10-22 11:25:53,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:25:53,279 INFO L93 Difference]: Finished difference Result 80 states and 116 transitions. [2019-10-22 11:25:53,282 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 11:25:53,283 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2019-10-22 11:25:53,283 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:25:53,283 INFO L225 Difference]: With dead ends: 80 [2019-10-22 11:25:53,283 INFO L226 Difference]: Without dead ends: 43 [2019-10-22 11:25:53,284 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:25:53,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2019-10-22 11:25:53,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2019-10-22 11:25:53,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2019-10-22 11:25:53,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 60 transitions. [2019-10-22 11:25:53,291 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 60 transitions. Word has length 22 [2019-10-22 11:25:53,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:25:53,292 INFO L462 AbstractCegarLoop]: Abstraction has 43 states and 60 transitions. [2019-10-22 11:25:53,292 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 11:25:53,292 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 60 transitions. [2019-10-22 11:25:53,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-10-22 11:25:53,292 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:25:53,292 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:25:53,293 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:25:53,293 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:25:53,293 INFO L82 PathProgramCache]: Analyzing trace with hash 2042078472, now seen corresponding path program 1 times [2019-10-22 11:25:53,293 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:25:53,293 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1573563219] [2019-10-22 11:25:53,294 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:25:53,294 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:25:53,294 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:25:53,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:25:53,400 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:25:53,401 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1573563219] [2019-10-22 11:25:53,401 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:25:53,401 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 11:25:53,401 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1203684645] [2019-10-22 11:25:53,402 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 11:25:53,402 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:25:53,402 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 11:25:53,402 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 11:25:53,402 INFO L87 Difference]: Start difference. First operand 43 states and 60 transitions. Second operand 5 states. [2019-10-22 11:25:53,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:25:53,565 INFO L93 Difference]: Finished difference Result 204 states and 303 transitions. [2019-10-22 11:25:53,567 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-22 11:25:53,568 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2019-10-22 11:25:53,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:25:53,569 INFO L225 Difference]: With dead ends: 204 [2019-10-22 11:25:53,569 INFO L226 Difference]: Without dead ends: 167 [2019-10-22 11:25:53,569 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-10-22 11:25:53,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states. [2019-10-22 11:25:53,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 76. [2019-10-22 11:25:53,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2019-10-22 11:25:53,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 108 transitions. [2019-10-22 11:25:53,587 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 108 transitions. Word has length 24 [2019-10-22 11:25:53,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:25:53,587 INFO L462 AbstractCegarLoop]: Abstraction has 76 states and 108 transitions. [2019-10-22 11:25:53,587 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 11:25:53,587 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 108 transitions. [2019-10-22 11:25:53,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-10-22 11:25:53,588 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:25:53,588 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:25:53,588 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:25:53,588 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:25:53,591 INFO L82 PathProgramCache]: Analyzing trace with hash -1843821250, now seen corresponding path program 1 times [2019-10-22 11:25:53,591 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:25:53,591 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1554657747] [2019-10-22 11:25:53,591 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:25:53,591 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:25:53,591 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:25:53,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:25:53,685 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:25:53,686 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1554657747] [2019-10-22 11:25:53,686 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:25:53,686 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 11:25:53,686 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1778840778] [2019-10-22 11:25:53,687 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 11:25:53,687 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:25:53,687 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 11:25:53,687 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 11:25:53,687 INFO L87 Difference]: Start difference. First operand 76 states and 108 transitions. Second operand 5 states. [2019-10-22 11:25:53,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:25:53,757 INFO L93 Difference]: Finished difference Result 174 states and 257 transitions. [2019-10-22 11:25:53,758 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-22 11:25:53,758 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2019-10-22 11:25:53,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:25:53,758 INFO L225 Difference]: With dead ends: 174 [2019-10-22 11:25:53,758 INFO L226 Difference]: Without dead ends: 0 [2019-10-22 11:25:53,759 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-10-22 11:25:53,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-22 11:25:53,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-22 11:25:53,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-22 11:25:53,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-22 11:25:53,760 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 25 [2019-10-22 11:25:53,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:25:53,760 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 11:25:53,761 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 11:25:53,761 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-22 11:25:53,761 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-22 11:25:53,765 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-22 11:25:53,957 INFO L439 ceAbstractionStarter]: At program point L630(lines 625 633) the Hoare annotation is: false [2019-10-22 11:25:53,958 INFO L439 ceAbstractionStarter]: At program point L630-1(lines 625 633) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 11:25:53,958 INFO L439 ceAbstractionStarter]: At program point L630-2(lines 625 633) the Hoare annotation is: false [2019-10-22 11:25:53,958 INFO L439 ceAbstractionStarter]: At program point L630-3(lines 625 633) the Hoare annotation is: false [2019-10-22 11:25:53,958 INFO L439 ceAbstractionStarter]: At program point L630-4(lines 625 633) the Hoare annotation is: false [2019-10-22 11:25:53,958 INFO L439 ceAbstractionStarter]: At program point L630-5(lines 625 633) the Hoare annotation is: false [2019-10-22 11:25:53,958 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 578) no Hoare annotation was computed. [2019-10-22 11:25:53,959 INFO L443 ceAbstractionStarter]: For program point L895(lines 895 901) no Hoare annotation was computed. [2019-10-22 11:25:53,959 INFO L439 ceAbstractionStarter]: At program point L895-1(lines 895 901) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 11:25:53,959 INFO L439 ceAbstractionStarter]: At program point L797(lines 792 800) 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 11:25:53,959 INFO L439 ceAbstractionStarter]: At program point L797-1(lines 792 800) the Hoare annotation is: false [2019-10-22 11:25:53,959 INFO L439 ceAbstractionStarter]: At program point L797-2(lines 792 800) the Hoare annotation is: false [2019-10-22 11:25:53,959 INFO L446 ceAbstractionStarter]: At program point L203(lines 184 206) the Hoare annotation is: true [2019-10-22 11:25:53,959 INFO L439 ceAbstractionStarter]: At program point L170(lines 166 172) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) [2019-10-22 11:25:53,960 INFO L439 ceAbstractionStarter]: At program point L73(lines 68 76) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) [2019-10-22 11:25:53,960 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 578) no Hoare annotation was computed. [2019-10-22 11:25:53,960 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 578) no Hoare annotation was computed. [2019-10-22 11:25:53,960 INFO L439 ceAbstractionStarter]: At program point L671(lines 666 674) the Hoare annotation is: false [2019-10-22 11:25:53,960 INFO L439 ceAbstractionStarter]: At program point L671-1(lines 666 674) the Hoare annotation is: false [2019-10-22 11:25:53,960 INFO L443 ceAbstractionStarter]: For program point L605(lines 605 609) no Hoare annotation was computed. [2019-10-22 11:25:53,960 INFO L439 ceAbstractionStarter]: At program point L671-2(lines 666 674) the Hoare annotation is: false [2019-10-22 11:25:53,961 INFO L439 ceAbstractionStarter]: At program point L671-3(lines 666 674) the Hoare annotation is: false [2019-10-22 11:25:53,961 INFO L439 ceAbstractionStarter]: At program point L671-4(lines 666 674) the Hoare annotation is: false [2019-10-22 11:25:53,961 INFO L439 ceAbstractionStarter]: At program point L671-5(lines 666 674) the Hoare annotation is: false [2019-10-22 11:25:53,961 INFO L443 ceAbstractionStarter]: For program point L905(lines 905 918) no Hoare annotation was computed. [2019-10-22 11:25:53,962 INFO L443 ceAbstractionStarter]: For program point L578(line 578) no Hoare annotation was computed. [2019-10-22 11:25:53,962 INFO L443 ceAbstractionStarter]: For program point L578-1(line 578) no Hoare annotation was computed. [2019-10-22 11:25:53,962 INFO L443 ceAbstractionStarter]: For program point L578-2(line 578) no Hoare annotation was computed. [2019-10-22 11:25:53,962 INFO L443 ceAbstractionStarter]: For program point L876(lines 875 922) no Hoare annotation was computed. [2019-10-22 11:25:53,962 INFO L443 ceAbstractionStarter]: For program point L744(lines 744 761) no Hoare annotation was computed. [2019-10-22 11:25:53,962 INFO L443 ceAbstractionStarter]: For program point L744-1(lines 744 761) no Hoare annotation was computed. [2019-10-22 11:25:53,962 INFO L443 ceAbstractionStarter]: For program point L744-2(lines 744 761) no Hoare annotation was computed. [2019-10-22 11:25:53,962 INFO L443 ceAbstractionStarter]: For program point L877(lines 877 881) no Hoare annotation was computed. [2019-10-22 11:25:53,963 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-10-22 11:25:53,963 INFO L439 ceAbstractionStarter]: At program point L119-2(lines 119 133) the Hoare annotation is: false [2019-10-22 11:25:53,963 INFO L443 ceAbstractionStarter]: For program point L846(lines 846 850) no Hoare annotation was computed. [2019-10-22 11:25:53,963 INFO L443 ceAbstractionStarter]: For program point L846-2(lines 846 850) no Hoare annotation was computed. [2019-10-22 11:25:53,963 INFO L443 ceAbstractionStarter]: For program point L846-3(lines 846 850) no Hoare annotation was computed. [2019-10-22 11:25:53,963 INFO L443 ceAbstractionStarter]: For program point L846-5(lines 846 850) no Hoare annotation was computed. [2019-10-22 11:25:53,963 INFO L443 ceAbstractionStarter]: For program point L846-6(lines 846 850) no Hoare annotation was computed. [2019-10-22 11:25:53,964 INFO L443 ceAbstractionStarter]: For program point L846-8(lines 846 850) no Hoare annotation was computed. [2019-10-22 11:25:53,964 INFO L443 ceAbstractionStarter]: For program point L846-9(lines 846 850) no Hoare annotation was computed. [2019-10-22 11:25:53,964 INFO L443 ceAbstractionStarter]: For program point L846-11(lines 846 850) no Hoare annotation was computed. [2019-10-22 11:25:53,964 INFO L443 ceAbstractionStarter]: For program point L846-12(lines 846 850) no Hoare annotation was computed. [2019-10-22 11:25:53,964 INFO L443 ceAbstractionStarter]: For program point L846-14(lines 846 850) no Hoare annotation was computed. [2019-10-22 11:25:53,969 INFO L443 ceAbstractionStarter]: For program point L846-15(lines 846 850) no Hoare annotation was computed. [2019-10-22 11:25:53,969 INFO L443 ceAbstractionStarter]: For program point L846-17(lines 846 850) no Hoare annotation was computed. [2019-10-22 11:25:53,969 INFO L443 ceAbstractionStarter]: For program point L120(line 120) no Hoare annotation was computed. [2019-10-22 11:25:53,969 INFO L443 ceAbstractionStarter]: For program point L913(lines 913 917) no Hoare annotation was computed. [2019-10-22 11:25:53,969 INFO L439 ceAbstractionStarter]: At program point L913-2(lines 686 692) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 11:25:53,969 INFO L443 ceAbstractionStarter]: For program point L748(lines 748 756) no Hoare annotation was computed. [2019-10-22 11:25:53,970 INFO L443 ceAbstractionStarter]: For program point L748-1(lines 748 756) no Hoare annotation was computed. [2019-10-22 11:25:53,970 INFO L443 ceAbstractionStarter]: For program point L748-2(lines 748 756) no Hoare annotation was computed. [2019-10-22 11:25:53,970 INFO L443 ceAbstractionStarter]: For program point L617(lines 617 621) no Hoare annotation was computed. [2019-10-22 11:25:53,970 INFO L443 ceAbstractionStarter]: For program point L89(lines 89 102) no Hoare annotation was computed. [2019-10-22 11:25:53,970 INFO L439 ceAbstractionStarter]: At program point L89-1(lines 1 930) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 11:25:53,970 INFO L443 ceAbstractionStarter]: For program point L89-2(lines 89 102) no Hoare annotation was computed. [2019-10-22 11:25:53,970 INFO L439 ceAbstractionStarter]: At program point L89-3(lines 1 930) the Hoare annotation is: false [2019-10-22 11:25:53,970 INFO L443 ceAbstractionStarter]: For program point L89-4(lines 89 102) no Hoare annotation was computed. [2019-10-22 11:25:53,971 INFO L439 ceAbstractionStarter]: At program point L89-5(lines 1 930) the Hoare annotation is: false [2019-10-22 11:25:53,971 INFO L443 ceAbstractionStarter]: For program point L123(lines 123 127) no Hoare annotation was computed. [2019-10-22 11:25:53,971 INFO L443 ceAbstractionStarter]: For program point L123-1(lines 686 692) no Hoare annotation was computed. [2019-10-22 11:25:53,971 INFO L443 ceAbstractionStarter]: For program point L718(lines 718 735) no Hoare annotation was computed. [2019-10-22 11:25:53,971 INFO L443 ceAbstractionStarter]: For program point L718-1(lines 718 735) no Hoare annotation was computed. [2019-10-22 11:25:53,971 INFO L443 ceAbstractionStarter]: For program point L718-2(lines 718 735) no Hoare annotation was computed. [2019-10-22 11:25:53,971 INFO L443 ceAbstractionStarter]: For program point L718-3(lines 718 735) no Hoare annotation was computed. [2019-10-22 11:25:53,971 INFO L443 ceAbstractionStarter]: For program point L718-4(lines 718 735) no Hoare annotation was computed. [2019-10-22 11:25:53,971 INFO L443 ceAbstractionStarter]: For program point L718-5(lines 718 735) no Hoare annotation was computed. [2019-10-22 11:25:53,971 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-22 11:25:53,972 INFO L439 ceAbstractionStarter]: At program point L686(lines 685 704) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 11:25:53,972 INFO L443 ceAbstractionStarter]: For program point L686-1(lines 686 692) no Hoare annotation was computed. [2019-10-22 11:25:53,972 INFO L439 ceAbstractionStarter]: At program point L686-2(lines 685 704) the Hoare annotation is: false [2019-10-22 11:25:53,972 INFO L439 ceAbstractionStarter]: At program point L686-3(lines 685 704) the Hoare annotation is: false [2019-10-22 11:25:53,972 INFO L443 ceAbstractionStarter]: For program point L885(lines 885 891) no Hoare annotation was computed. [2019-10-22 11:25:53,972 INFO L439 ceAbstractionStarter]: At program point L885-1(lines 885 891) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 11:25:53,972 INFO L439 ceAbstractionStarter]: At program point L852(lines 837 855) the Hoare annotation is: false [2019-10-22 11:25:53,972 INFO L439 ceAbstractionStarter]: At program point L852-1(lines 837 855) the Hoare annotation is: false [2019-10-22 11:25:53,972 INFO L439 ceAbstractionStarter]: At program point L852-2(lines 837 855) the Hoare annotation is: false [2019-10-22 11:25:53,972 INFO L439 ceAbstractionStarter]: At program point L852-3(lines 837 855) the Hoare annotation is: false [2019-10-22 11:25:53,972 INFO L439 ceAbstractionStarter]: At program point L852-4(lines 837 855) the Hoare annotation is: false [2019-10-22 11:25:53,973 INFO L439 ceAbstractionStarter]: At program point L852-5(lines 837 855) the Hoare annotation is: false [2019-10-22 11:25:53,973 INFO L443 ceAbstractionStarter]: For program point L93(lines 93 99) no Hoare annotation was computed. [2019-10-22 11:25:53,973 INFO L443 ceAbstractionStarter]: For program point L93-2(lines 93 99) no Hoare annotation was computed. [2019-10-22 11:25:53,973 INFO L443 ceAbstractionStarter]: For program point L93-4(lines 93 99) no Hoare annotation was computed. [2019-10-22 11:25:53,974 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-22 11:25:53,974 INFO L439 ceAbstractionStarter]: At program point L788(lines 781 791) the Hoare annotation is: false [2019-10-22 11:25:53,974 INFO L439 ceAbstractionStarter]: At program point L788-1(lines 781 791) the Hoare annotation is: false [2019-10-22 11:25:53,974 INFO L443 ceAbstractionStarter]: For program point L722(lines 722 730) no Hoare annotation was computed. [2019-10-22 11:25:53,974 INFO L439 ceAbstractionStarter]: At program point L788-2(lines 781 791) the Hoare annotation is: false [2019-10-22 11:25:53,974 INFO L443 ceAbstractionStarter]: For program point L722-1(lines 722 730) no Hoare annotation was computed. [2019-10-22 11:25:53,974 INFO L443 ceAbstractionStarter]: For program point L722-2(lines 722 730) no Hoare annotation was computed. [2019-10-22 11:25:53,974 INFO L443 ceAbstractionStarter]: For program point L722-3(lines 722 730) no Hoare annotation was computed. [2019-10-22 11:25:53,974 INFO L443 ceAbstractionStarter]: For program point L722-4(lines 722 730) no Hoare annotation was computed. [2019-10-22 11:25:53,975 INFO L443 ceAbstractionStarter]: For program point L722-5(lines 722 730) no Hoare annotation was computed. [2019-10-22 11:25:53,975 INFO L443 ceAbstractionStarter]: For program point L194(lines 194 201) no Hoare annotation was computed. [2019-10-22 11:25:53,975 INFO L446 ceAbstractionStarter]: At program point L194-1(lines 194 201) the Hoare annotation is: true [2019-10-22 11:25:53,975 INFO L439 ceAbstractionStarter]: At program point L923(lines 874 924) the Hoare annotation is: false [2019-10-22 11:25:53,975 INFO L443 ceAbstractionStarter]: For program point L593(lines 593 597) no Hoare annotation was computed. [2019-10-22 11:25:53,975 INFO L443 ceAbstractionStarter]: For program point L593-3(lines 593 597) no Hoare annotation was computed. [2019-10-22 11:25:53,975 INFO L443 ceAbstractionStarter]: For program point L593-6(lines 593 597) no Hoare annotation was computed. [2019-10-22 11:25:53,975 INFO L439 ceAbstractionStarter]: At program point L65(lines 1 930) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) [2019-10-22 11:25:53,975 INFO L443 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-10-22 11:25:53,976 INFO L439 ceAbstractionStarter]: At program point L693(lines 693 699) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 11:25:53,976 INFO L439 ceAbstractionStarter]: At program point L693-1(lines 693 699) the Hoare annotation is: false [2019-10-22 11:25:53,976 INFO L439 ceAbstractionStarter]: At program point L693-2(lines 693 699) the Hoare annotation is: false [2019-10-22 11:25:53,990 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 11:25:53 BoogieIcfgContainer [2019-10-22 11:25:53,990 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-22 11:25:53,991 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 11:25:53,991 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 11:25:53,991 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 11:25:53,992 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:25:52" (3/4) ... [2019-10-22 11:25:53,995 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-10-22 11:25:54,010 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-10-22 11:25:54,010 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-10-22 11:25:54,011 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2019-10-22 11:25:54,011 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-10-22 11:25:54,012 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-10-22 11:25:54,012 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-10-22 11:25:54,041 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((1 == systemActive && \result == 0) && pumpRunning == 0) && 0 == splverifierCounter [2019-10-22 11:25:54,101 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_8fd01729-bee8-4abc-875d-db5fa338fc06/bin/utaipan/witness.graphml [2019-10-22 11:25:54,101 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 11:25:54,103 INFO L168 Benchmark]: Toolchain (without parser) took 2957.72 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 112.2 MB). Free memory was 943.2 MB in the beginning and 886.0 MB in the end (delta: 57.1 MB). Peak memory consumption was 169.3 MB. Max. memory is 11.5 GB. [2019-10-22 11:25:54,103 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 967.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 11:25:54,103 INFO L168 Benchmark]: CACSL2BoogieTranslator took 605.46 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 112.2 MB). Free memory was 937.8 MB in the beginning and 1.1 GB in the end (delta: -157.6 MB). Peak memory consumption was 17.8 MB. Max. memory is 11.5 GB. [2019-10-22 11:25:54,104 INFO L168 Benchmark]: Boogie Procedure Inliner took 61.11 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.1 MB). Peak memory consumption was 7.1 MB. Max. memory is 11.5 GB. [2019-10-22 11:25:54,104 INFO L168 Benchmark]: Boogie Preprocessor took 38.07 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 11:25:54,104 INFO L168 Benchmark]: RCFGBuilder took 692.03 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 67.1 MB). Peak memory consumption was 67.1 MB. Max. memory is 11.5 GB. [2019-10-22 11:25:54,104 INFO L168 Benchmark]: TraceAbstraction took 1442.81 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 893.2 MB in the end (delta: 128.0 MB). Peak memory consumption was 128.0 MB. Max. memory is 11.5 GB. [2019-10-22 11:25:54,105 INFO L168 Benchmark]: Witness Printer took 110.02 ms. Allocated memory is still 1.1 GB. Free memory was 893.2 MB in the beginning and 886.0 MB in the end (delta: 7.1 MB). Peak memory consumption was 7.1 MB. Max. memory is 11.5 GB. [2019-10-22 11:25:54,106 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 967.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 605.46 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 112.2 MB). Free memory was 937.8 MB in the beginning and 1.1 GB in the end (delta: -157.6 MB). Peak memory consumption was 17.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 61.11 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.1 MB). Peak memory consumption was 7.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 38.07 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 692.03 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 67.1 MB). Peak memory consumption was 67.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1442.81 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 893.2 MB in the end (delta: 128.0 MB). Peak memory consumption was 128.0 MB. Max. memory is 11.5 GB. * Witness Printer took 110.02 ms. Allocated memory is still 1.1 GB. Free memory was 893.2 MB in the beginning and 886.0 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: 625]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 625]: Loop Invariant Derived loop invariant: (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 68]: Loop Invariant Derived loop invariant: (1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0 - InvariantResult [Line: 693]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 885]: Loop Invariant Derived loop invariant: (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 781]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 837]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 666]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 781]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 693]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 837]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 666]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 792]: Loop Invariant Derived loop invariant: ((1 == systemActive && \result == 0) && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0 - InvariantResult [Line: 837]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 781]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 666]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 792]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 837]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 874]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 792]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 666]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 837]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 666]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 837]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 685]: Loop Invariant Derived loop invariant: (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 685]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 685]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 693]: Loop Invariant Derived loop invariant: (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 666]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 625]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 166]: Loop Invariant Derived loop invariant: (1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0 - InvariantResult [Line: 895]: Loop Invariant Derived loop invariant: (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 119]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 625]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 184]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 194]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 625]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 625]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 686]: Loop Invariant Derived loop invariant: (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 105 locations, 3 error locations. Result: SAFE, OverallTime: 1.3s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, HoareTripleCheckerStatistics: 412 SDtfs, 404 SDslu, 332 SDs, 0 SdLazy, 58 SolverSat, 12 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s 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=105occurred 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, 91 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 43 LocationsWithAnnotation, 43 PreInvPairs, 84 NumberOfFragments, 145 HoareAnnotationTreeSize, 43 FomulaSimplifications, 1328 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 43 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 104 NumberOfCodeBlocks, 104 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 99 ConstructedInterpolants, 0 QuantifiedInterpolants, 4199 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...