./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product19.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_54ca351b-f141-4cbb-8162-a5c0db6358c5/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_54ca351b-f141-4cbb-8162-a5c0db6358c5/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_54ca351b-f141-4cbb-8162-a5c0db6358c5/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_54ca351b-f141-4cbb-8162-a5c0db6358c5/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product19.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_54ca351b-f141-4cbb-8162-a5c0db6358c5/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_54ca351b-f141-4cbb-8162-a5c0db6358c5/bin/uautomizer --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 827eeb7ed0fbeaca90933bfcb4457632a3c9b0ed ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 09:02:29,315 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 09:02:29,316 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 09:02:29,325 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 09:02:29,325 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 09:02:29,326 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 09:02:29,327 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 09:02:29,329 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 09:02:29,331 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 09:02:29,331 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 09:02:29,332 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 09:02:29,333 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 09:02:29,334 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 09:02:29,334 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 09:02:29,335 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 09:02:29,336 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 09:02:29,336 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 09:02:29,337 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 09:02:29,339 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 09:02:29,340 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 09:02:29,341 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 09:02:29,342 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 09:02:29,343 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 09:02:29,344 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 09:02:29,346 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 09:02:29,346 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 09:02:29,346 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 09:02:29,347 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 09:02:29,347 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 09:02:29,348 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 09:02:29,348 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 09:02:29,349 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 09:02:29,349 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 09:02:29,350 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 09:02:29,351 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 09:02:29,351 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 09:02:29,352 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 09:02:29,352 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 09:02:29,352 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 09:02:29,353 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 09:02:29,353 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 09:02:29,354 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_54ca351b-f141-4cbb-8162-a5c0db6358c5/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-22 09:02:29,364 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 09:02:29,364 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 09:02:29,365 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 09:02:29,365 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 09:02:29,365 INFO L138 SettingsManager]: * Use SBE=true [2019-10-22 09:02:29,365 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 09:02:29,366 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 09:02:29,366 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 09:02:29,366 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 09:02:29,366 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 09:02:29,367 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 09:02:29,367 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 09:02:29,367 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 09:02:29,367 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 09:02:29,367 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 09:02:29,367 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 09:02:29,368 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 09:02:29,368 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 09:02:29,368 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 09:02:29,368 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 09:02:29,369 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 09:02:29,369 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 09:02:29,369 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 09:02:29,369 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 09:02:29,369 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 09:02:29,369 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-22 09:02:29,370 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 09:02:29,370 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 09:02:29,370 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_54ca351b-f141-4cbb-8162-a5c0db6358c5/bin/uautomizer 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 -> Automizer 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 -> 827eeb7ed0fbeaca90933bfcb4457632a3c9b0ed [2019-10-22 09:02:29,397 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 09:02:29,408 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 09:02:29,411 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 09:02:29,412 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 09:02:29,412 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 09:02:29,413 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_54ca351b-f141-4cbb-8162-a5c0db6358c5/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec2_product19.cil.c [2019-10-22 09:02:29,466 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_54ca351b-f141-4cbb-8162-a5c0db6358c5/bin/uautomizer/data/f2add9fdf/0c5fc4cb937b402eaeb842f3f8bb4354/FLAG4541cc5e8 [2019-10-22 09:02:29,878 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 09:02:29,879 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_54ca351b-f141-4cbb-8162-a5c0db6358c5/sv-benchmarks/c/product-lines/minepump_spec2_product19.cil.c [2019-10-22 09:02:29,888 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_54ca351b-f141-4cbb-8162-a5c0db6358c5/bin/uautomizer/data/f2add9fdf/0c5fc4cb937b402eaeb842f3f8bb4354/FLAG4541cc5e8 [2019-10-22 09:02:29,900 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_54ca351b-f141-4cbb-8162-a5c0db6358c5/bin/uautomizer/data/f2add9fdf/0c5fc4cb937b402eaeb842f3f8bb4354 [2019-10-22 09:02:29,903 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 09:02:29,904 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 09:02:29,906 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 09:02:29,906 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 09:02:29,909 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 09:02:29,910 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 09:02:29" (1/1) ... [2019-10-22 09:02:29,912 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48f0f595 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:29, skipping insertion in model container [2019-10-22 09:02:29,913 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 09:02:29" (1/1) ... [2019-10-22 09:02:29,919 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 09:02:29,964 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 09:02:30,260 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 09:02:30,275 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 09:02:30,351 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 09:02:30,376 INFO L192 MainTranslator]: Completed translation [2019-10-22 09:02:30,376 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:30 WrapperNode [2019-10-22 09:02:30,376 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 09:02:30,377 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 09:02:30,377 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 09:02:30,377 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 09:02:30,384 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:30" (1/1) ... [2019-10-22 09:02:30,410 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:30" (1/1) ... [2019-10-22 09:02:30,466 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 09:02:30,471 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 09:02:30,471 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 09:02:30,471 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 09:02:30,481 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:30" (1/1) ... [2019-10-22 09:02:30,481 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:30" (1/1) ... [2019-10-22 09:02:30,485 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:30" (1/1) ... [2019-10-22 09:02:30,485 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:30" (1/1) ... [2019-10-22 09:02:30,504 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:30" (1/1) ... [2019-10-22 09:02:30,510 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:30" (1/1) ... [2019-10-22 09:02:30,511 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:30" (1/1) ... [2019-10-22 09:02:30,514 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 09:02:30,515 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 09:02:30,515 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 09:02:30,515 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 09:02:30,515 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:30" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_54ca351b-f141-4cbb-8162-a5c0db6358c5/bin/uautomizer/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 09:02:30,581 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 09:02:30,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-22 09:02:30,581 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 09:02:30,581 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 09:02:31,335 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 09:02:31,335 INFO L284 CfgBuilder]: Removed 102 assume(true) statements. [2019-10-22 09:02:31,336 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 09:02:31 BoogieIcfgContainer [2019-10-22 09:02:31,337 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 09:02:31,338 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 09:02:31,338 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 09:02:31,341 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 09:02:31,341 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 09:02:29" (1/3) ... [2019-10-22 09:02:31,342 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55eb3a18 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 09:02:31, skipping insertion in model container [2019-10-22 09:02:31,342 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:30" (2/3) ... [2019-10-22 09:02:31,342 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55eb3a18 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 09:02:31, skipping insertion in model container [2019-10-22 09:02:31,343 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 09:02:31" (3/3) ... [2019-10-22 09:02:31,344 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product19.cil.c [2019-10-22 09:02:31,354 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 09:02:31,363 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-10-22 09:02:31,375 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-10-22 09:02:31,402 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 09:02:31,402 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-22 09:02:31,402 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 09:02:31,402 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 09:02:31,404 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 09:02:31,404 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 09:02:31,404 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 09:02:31,404 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 09:02:31,421 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states. [2019-10-22 09:02:31,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-10-22 09:02:31,429 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:02:31,430 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:02:31,432 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 09:02:31,438 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:02:31,438 INFO L82 PathProgramCache]: Analyzing trace with hash 1392435012, now seen corresponding path program 1 times [2019-10-22 09:02:31,447 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:02:31,447 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1515213996] [2019-10-22 09:02:31,447 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:31,448 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:31,448 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:02:31,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:02:31,645 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 09:02:31,646 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1515213996] [2019-10-22 09:02:31,647 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:02:31,647 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 09:02:31,648 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [153660168] [2019-10-22 09:02:31,652 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-22 09:02:31,653 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:02:31,667 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-22 09:02:31,667 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-22 09:02:31,670 INFO L87 Difference]: Start difference. First operand 81 states. Second operand 2 states. [2019-10-22 09:02:31,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:02:31,696 INFO L93 Difference]: Finished difference Result 155 states and 234 transitions. [2019-10-22 09:02:31,697 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-22 09:02:31,698 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2019-10-22 09:02:31,699 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:02:31,711 INFO L225 Difference]: With dead ends: 155 [2019-10-22 09:02:31,711 INFO L226 Difference]: Without dead ends: 77 [2019-10-22 09:02:31,715 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 09:02:31,734 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2019-10-22 09:02:31,761 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2019-10-22 09:02:31,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77 states. [2019-10-22 09:02:31,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 109 transitions. [2019-10-22 09:02:31,769 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 109 transitions. Word has length 18 [2019-10-22 09:02:31,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:02:31,769 INFO L462 AbstractCegarLoop]: Abstraction has 77 states and 109 transitions. [2019-10-22 09:02:31,769 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-22 09:02:31,769 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 109 transitions. [2019-10-22 09:02:31,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-10-22 09:02:31,770 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:02:31,770 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:02:31,771 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 09:02:31,771 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:02:31,771 INFO L82 PathProgramCache]: Analyzing trace with hash 1173599043, now seen corresponding path program 1 times [2019-10-22 09:02:31,771 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:02:31,772 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1950080013] [2019-10-22 09:02:31,772 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:31,772 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:31,772 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:02:31,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:02:31,932 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 09:02:31,932 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1950080013] [2019-10-22 09:02:31,933 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:02:31,933 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 09:02:31,933 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1574515022] [2019-10-22 09:02:31,938 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 09:02:31,938 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:02:31,938 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 09:02:31,939 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 09:02:31,939 INFO L87 Difference]: Start difference. First operand 77 states and 109 transitions. Second operand 3 states. [2019-10-22 09:02:31,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:02:31,960 INFO L93 Difference]: Finished difference Result 77 states and 109 transitions. [2019-10-22 09:02:31,961 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 09:02:31,962 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2019-10-22 09:02:31,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:02:31,962 INFO L225 Difference]: With dead ends: 77 [2019-10-22 09:02:31,962 INFO L226 Difference]: Without dead ends: 37 [2019-10-22 09:02:31,963 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 09:02:31,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2019-10-22 09:02:31,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2019-10-22 09:02:31,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2019-10-22 09:02:31,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 52 transitions. [2019-10-22 09:02:31,968 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 52 transitions. Word has length 19 [2019-10-22 09:02:31,968 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:02:31,968 INFO L462 AbstractCegarLoop]: Abstraction has 37 states and 52 transitions. [2019-10-22 09:02:31,968 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 09:02:31,968 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 52 transitions. [2019-10-22 09:02:31,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-10-22 09:02:31,969 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:02:31,969 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 09:02:31,970 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 09:02:31,970 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:02:31,970 INFO L82 PathProgramCache]: Analyzing trace with hash 1808533439, now seen corresponding path program 1 times [2019-10-22 09:02:31,970 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:02:31,970 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1683039671] [2019-10-22 09:02:31,971 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:31,971 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:31,971 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:02:31,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:02:32,064 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 09:02:32,064 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1683039671] [2019-10-22 09:02:32,065 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:02:32,065 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-22 09:02:32,065 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [520945310] [2019-10-22 09:02:32,065 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-22 09:02:32,065 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:02:32,066 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-22 09:02:32,066 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-10-22 09:02:32,066 INFO L87 Difference]: Start difference. First operand 37 states and 52 transitions. Second operand 6 states. [2019-10-22 09:02:32,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:02:32,269 INFO L93 Difference]: Finished difference Result 121 states and 178 transitions. [2019-10-22 09:02:32,270 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-22 09:02:32,270 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 24 [2019-10-22 09:02:32,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:02:32,271 INFO L225 Difference]: With dead ends: 121 [2019-10-22 09:02:32,271 INFO L226 Difference]: Without dead ends: 91 [2019-10-22 09:02:32,272 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-10-22 09:02:32,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2019-10-22 09:02:32,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 57. [2019-10-22 09:02:32,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2019-10-22 09:02:32,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 83 transitions. [2019-10-22 09:02:32,280 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 83 transitions. Word has length 24 [2019-10-22 09:02:32,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:02:32,281 INFO L462 AbstractCegarLoop]: Abstraction has 57 states and 83 transitions. [2019-10-22 09:02:32,281 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-22 09:02:32,281 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 83 transitions. [2019-10-22 09:02:32,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-10-22 09:02:32,281 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:02:32,281 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 09:02:32,282 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 09:02:32,282 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:02:32,282 INFO L82 PathProgramCache]: Analyzing trace with hash -71070855, now seen corresponding path program 1 times [2019-10-22 09:02:32,282 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:02:32,283 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [121482129] [2019-10-22 09:02:32,283 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:32,283 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:32,283 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:02:32,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:02:32,367 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 09:02:32,367 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [121482129] [2019-10-22 09:02:32,368 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:02:32,368 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 09:02:32,368 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1719212238] [2019-10-22 09:02:32,368 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 09:02:32,368 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:02:32,369 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 09:02:32,369 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 09:02:32,369 INFO L87 Difference]: Start difference. First operand 57 states and 83 transitions. Second operand 5 states. [2019-10-22 09:02:32,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:02:32,468 INFO L93 Difference]: Finished difference Result 261 states and 400 transitions. [2019-10-22 09:02:32,468 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-22 09:02:32,468 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2019-10-22 09:02:32,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:02:32,470 INFO L225 Difference]: With dead ends: 261 [2019-10-22 09:02:32,470 INFO L226 Difference]: Without dead ends: 211 [2019-10-22 09:02:32,470 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 09:02:32,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 211 states. [2019-10-22 09:02:32,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 211 to 99. [2019-10-22 09:02:32,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99 states. [2019-10-22 09:02:32,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 144 transitions. [2019-10-22 09:02:32,483 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 144 transitions. Word has length 25 [2019-10-22 09:02:32,483 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:02:32,483 INFO L462 AbstractCegarLoop]: Abstraction has 99 states and 144 transitions. [2019-10-22 09:02:32,484 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 09:02:32,484 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 144 transitions. [2019-10-22 09:02:32,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-10-22 09:02:32,484 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:02:32,484 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:02:32,485 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 09:02:32,485 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:02:32,485 INFO L82 PathProgramCache]: Analyzing trace with hash 34699249, now seen corresponding path program 1 times [2019-10-22 09:02:32,485 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:02:32,485 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [69055889] [2019-10-22 09:02:32,485 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:32,486 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:32,486 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:02:32,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:02:32,566 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 09:02:32,566 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [69055889] [2019-10-22 09:02:32,566 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:02:32,567 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 09:02:32,567 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1618931242] [2019-10-22 09:02:32,567 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 09:02:32,567 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:02:32,567 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 09:02:32,568 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 09:02:32,568 INFO L87 Difference]: Start difference. First operand 99 states and 144 transitions. Second operand 5 states. [2019-10-22 09:02:32,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:02:32,653 INFO L93 Difference]: Finished difference Result 289 states and 430 transitions. [2019-10-22 09:02:32,653 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-22 09:02:32,654 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 26 [2019-10-22 09:02:32,654 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:02:32,654 INFO L225 Difference]: With dead ends: 289 [2019-10-22 09:02:32,654 INFO L226 Difference]: Without dead ends: 0 [2019-10-22 09:02:32,655 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 09:02:32,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-22 09:02:32,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-22 09:02:32,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-22 09:02:32,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-22 09:02:32,656 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 26 [2019-10-22 09:02:32,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:02:32,656 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 09:02:32,656 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 09:02:32,657 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-22 09:02:32,657 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-22 09:02:32,661 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-22 09:02:32,916 INFO L439 ceAbstractionStarter]: At program point L465(lines 460 468) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 09:02:32,917 INFO L439 ceAbstractionStarter]: At program point L465-1(lines 460 468) the Hoare annotation is: false [2019-10-22 09:02:32,917 INFO L439 ceAbstractionStarter]: At program point L465-2(lines 460 468) the Hoare annotation is: false [2019-10-22 09:02:32,917 INFO L443 ceAbstractionStarter]: For program point L845(lines 845 851) no Hoare annotation was computed. [2019-10-22 09:02:32,917 INFO L439 ceAbstractionStarter]: At program point L845-1(lines 845 851) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 09:02:32,917 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-10-22 09:02:32,918 INFO L443 ceAbstractionStarter]: For program point L697(lines 697 714) no Hoare annotation was computed. [2019-10-22 09:02:32,918 INFO L443 ceAbstractionStarter]: For program point L697-1(lines 697 714) no Hoare annotation was computed. [2019-10-22 09:02:32,918 INFO L443 ceAbstractionStarter]: For program point L697-2(lines 697 714) no Hoare annotation was computed. [2019-10-22 09:02:32,918 INFO L443 ceAbstractionStarter]: For program point L813(lines 813 819) no Hoare annotation was computed. [2019-10-22 09:02:32,918 INFO L439 ceAbstractionStarter]: At program point L813-1(lines 813 819) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 09:02:32,918 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-10-22 09:02:32,918 INFO L439 ceAbstractionStarter]: At program point L665(lines 664 683) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 09:02:32,919 INFO L443 ceAbstractionStarter]: For program point L665-1(lines 665 671) no Hoare annotation was computed. [2019-10-22 09:02:32,919 INFO L439 ceAbstractionStarter]: At program point L665-2(lines 664 683) the Hoare annotation is: false [2019-10-22 09:02:32,919 INFO L439 ceAbstractionStarter]: At program point L665-3(lines 664 683) the Hoare annotation is: false [2019-10-22 09:02:32,919 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-10-22 09:02:32,919 INFO L443 ceAbstractionStarter]: For program point L633(lines 633 650) no Hoare annotation was computed. [2019-10-22 09:02:32,919 INFO L439 ceAbstractionStarter]: At program point L633-1(lines 1 925) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 09:02:32,919 INFO L443 ceAbstractionStarter]: For program point L633-2(lines 633 650) no Hoare annotation was computed. [2019-10-22 09:02:32,920 INFO L439 ceAbstractionStarter]: At program point L633-3(lines 1 925) the Hoare annotation is: false [2019-10-22 09:02:32,920 INFO L443 ceAbstractionStarter]: For program point L633-4(lines 633 650) no Hoare annotation was computed. [2019-10-22 09:02:32,920 INFO L439 ceAbstractionStarter]: At program point L633-5(lines 1 925) the Hoare annotation is: false [2019-10-22 09:02:32,920 INFO L439 ceAbstractionStarter]: At program point L914(lines 1 925) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) [2019-10-22 09:02:32,920 INFO L443 ceAbstractionStarter]: For program point L452(lines 452 456) no Hoare annotation was computed. [2019-10-22 09:02:32,920 INFO L443 ceAbstractionStarter]: For program point L865(lines 865 878) no Hoare annotation was computed. [2019-10-22 09:02:32,920 INFO L443 ceAbstractionStarter]: For program point L799(lines 799 803) no Hoare annotation was computed. [2019-10-22 09:02:32,920 INFO L443 ceAbstractionStarter]: For program point L799-2(lines 799 803) no Hoare annotation was computed. [2019-10-22 09:02:32,921 INFO L443 ceAbstractionStarter]: For program point L799-3(lines 799 803) no Hoare annotation was computed. [2019-10-22 09:02:32,921 INFO L443 ceAbstractionStarter]: For program point L799-5(lines 799 803) no Hoare annotation was computed. [2019-10-22 09:02:32,921 INFO L443 ceAbstractionStarter]: For program point L601(lines 601 608) no Hoare annotation was computed. [2019-10-22 09:02:32,921 INFO L443 ceAbstractionStarter]: For program point L799-6(lines 799 803) no Hoare annotation was computed. [2019-10-22 09:02:32,921 INFO L446 ceAbstractionStarter]: At program point L601-1(lines 601 608) the Hoare annotation is: true [2019-10-22 09:02:32,921 INFO L443 ceAbstractionStarter]: For program point L799-8(lines 799 803) no Hoare annotation was computed. [2019-10-22 09:02:32,921 INFO L439 ceAbstractionStarter]: At program point L750(lines 745 753) the Hoare annotation is: (and (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 09:02:32,921 INFO L439 ceAbstractionStarter]: At program point L750-1(lines 745 753) the Hoare annotation is: false [2019-10-22 09:02:32,922 INFO L439 ceAbstractionStarter]: At program point L750-2(lines 745 753) the Hoare annotation is: false [2019-10-22 09:02:32,922 INFO L443 ceAbstractionStarter]: For program point L701(lines 701 709) no Hoare annotation was computed. [2019-10-22 09:02:32,922 INFO L443 ceAbstractionStarter]: For program point L701-1(lines 701 709) no Hoare annotation was computed. [2019-10-22 09:02:32,922 INFO L443 ceAbstractionStarter]: For program point L701-2(lines 701 709) no Hoare annotation was computed. [2019-10-22 09:02:32,923 INFO L439 ceAbstractionStarter]: At program point L883(lines 834 884) the Hoare annotation is: false [2019-10-22 09:02:32,923 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-22 09:02:32,923 INFO L443 ceAbstractionStarter]: For program point L637(lines 637 647) no Hoare annotation was computed. [2019-10-22 09:02:32,923 INFO L443 ceAbstractionStarter]: For program point L637-2(lines 637 647) no Hoare annotation was computed. [2019-10-22 09:02:32,923 INFO L443 ceAbstractionStarter]: For program point L637-4(lines 637 647) no Hoare annotation was computed. [2019-10-22 09:02:32,924 INFO L443 ceAbstractionStarter]: For program point L836(lines 835 882) no Hoare annotation was computed. [2019-10-22 09:02:32,924 INFO L443 ceAbstractionStarter]: For program point L638(lines 638 644) no Hoare annotation was computed. [2019-10-22 09:02:32,924 INFO L439 ceAbstractionStarter]: At program point L572(lines 568 574) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ULTIMATE.start_main_~tmp~3 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~pumpRunning~0 0)) [2019-10-22 09:02:32,924 INFO L443 ceAbstractionStarter]: For program point L638-2(lines 638 644) no Hoare annotation was computed. [2019-10-22 09:02:32,924 INFO L439 ceAbstractionStarter]: At program point L506(lines 501 509) the Hoare annotation is: false [2019-10-22 09:02:32,924 INFO L443 ceAbstractionStarter]: For program point L638-4(lines 638 644) no Hoare annotation was computed. [2019-10-22 09:02:32,924 INFO L439 ceAbstractionStarter]: At program point L506-1(lines 501 509) the Hoare annotation is: false [2019-10-22 09:02:32,924 INFO L443 ceAbstractionStarter]: For program point L440(lines 440 444) no Hoare annotation was computed. [2019-10-22 09:02:32,925 INFO L439 ceAbstractionStarter]: At program point L506-2(lines 501 509) the Hoare annotation is: false [2019-10-22 09:02:32,925 INFO L439 ceAbstractionStarter]: At program point L622(lines 617 624) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ULTIMATE.start_main_~tmp~3 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~pumpRunning~0 0)) [2019-10-22 09:02:32,925 INFO L443 ceAbstractionStarter]: For program point L44(line 44) no Hoare annotation was computed. [2019-10-22 09:02:32,925 INFO L443 ceAbstractionStarter]: For program point L44-1(line 44) no Hoare annotation was computed. [2019-10-22 09:02:32,925 INFO L443 ceAbstractionStarter]: For program point L44-2(line 44) no Hoare annotation was computed. [2019-10-22 09:02:32,925 INFO L439 ceAbstractionStarter]: At program point L523-2(lines 523 537) the Hoare annotation is: false [2019-10-22 09:02:32,925 INFO L443 ceAbstractionStarter]: For program point L837(lines 837 841) no Hoare annotation was computed. [2019-10-22 09:02:32,925 INFO L439 ceAbstractionStarter]: At program point L672(lines 672 678) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 09:02:32,926 INFO L439 ceAbstractionStarter]: At program point L672-1(lines 672 678) the Hoare annotation is: false [2019-10-22 09:02:32,926 INFO L439 ceAbstractionStarter]: At program point L672-2(lines 672 678) the Hoare annotation is: false [2019-10-22 09:02:32,926 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-22 09:02:32,926 INFO L443 ceAbstractionStarter]: For program point L524(line 524) no Hoare annotation was computed. [2019-10-22 09:02:32,926 INFO L443 ceAbstractionStarter]: For program point L871(lines 871 877) no Hoare annotation was computed. [2019-10-22 09:02:32,927 INFO L439 ceAbstractionStarter]: At program point L871-1(lines 665 671) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 09:02:32,927 INFO L439 ceAbstractionStarter]: At program point L805(lines 790 808) the Hoare annotation is: false [2019-10-22 09:02:32,927 INFO L439 ceAbstractionStarter]: At program point L805-1(lines 790 808) the Hoare annotation is: false [2019-10-22 09:02:32,927 INFO L439 ceAbstractionStarter]: At program point L805-2(lines 790 808) the Hoare annotation is: false [2019-10-22 09:02:32,927 INFO L443 ceAbstractionStarter]: For program point L855(lines 855 861) no Hoare annotation was computed. [2019-10-22 09:02:32,927 INFO L439 ceAbstractionStarter]: At program point L855-1(lines 855 861) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 09:02:32,928 INFO L439 ceAbstractionStarter]: At program point L922(lines 917 925) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~pumpRunning~0 0)) [2019-10-22 09:02:32,928 INFO L443 ceAbstractionStarter]: For program point L527(lines 527 531) no Hoare annotation was computed. [2019-10-22 09:02:32,928 INFO L443 ceAbstractionStarter]: For program point L527-1(lines 665 671) no Hoare annotation was computed. [2019-10-22 09:02:32,928 INFO L443 ceAbstractionStarter]: For program point L428(lines 428 432) no Hoare annotation was computed. [2019-10-22 09:02:32,928 INFO L443 ceAbstractionStarter]: For program point L428-3(lines 428 432) no Hoare annotation was computed. [2019-10-22 09:02:32,928 INFO L443 ceAbstractionStarter]: For program point L428-6(lines 428 432) no Hoare annotation was computed. [2019-10-22 09:02:32,928 INFO L446 ceAbstractionStarter]: At program point L610(lines 591 613) the Hoare annotation is: true [2019-10-22 09:02:32,929 INFO L443 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-10-22 09:02:32,929 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-10-22 09:02:32,948 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 09:02:32 BoogieIcfgContainer [2019-10-22 09:02:32,948 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-22 09:02:32,948 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 09:02:32,948 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 09:02:32,949 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 09:02:32,949 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 09:02:31" (3/4) ... [2019-10-22 09:02:32,953 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-10-22 09:02:32,967 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-10-22 09:02:32,968 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-10-22 09:02:32,969 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2019-10-22 09:02:32,969 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-10-22 09:02:32,970 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-10-22 09:02:32,970 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-10-22 09:02:32,999 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((1 == systemActive && 0 == methaneLevelCritical) && \result == systemActive) && pumpRunning == 0 [2019-10-22 09:02:33,002 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && 0 == methaneLevelCritical) && tmp == systemActive) && \result == systemActive) && pumpRunning == 0 [2019-10-22 09:02:33,002 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && 0 == methaneLevelCritical) && tmp == systemActive) && \result == systemActive) && pumpRunning == 0 [2019-10-22 09:02:33,004 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\result == 0 && pumpRunning == 0) && 0 == splverifierCounter [2019-10-22 09:02:33,067 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_54ca351b-f141-4cbb-8162-a5c0db6358c5/bin/uautomizer/witness.graphml [2019-10-22 09:02:33,067 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 09:02:33,069 INFO L168 Benchmark]: Toolchain (without parser) took 3164.35 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.8 MB). Free memory was 943.1 MB in the beginning and 906.7 MB in the end (delta: 36.4 MB). Peak memory consumption was 172.2 MB. Max. memory is 11.5 GB. [2019-10-22 09:02:33,070 INFO L168 Benchmark]: CDTParser took 0.17 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 09:02:33,070 INFO L168 Benchmark]: CACSL2BoogieTranslator took 471.06 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.8 MB). Free memory was 941.8 MB in the beginning and 1.1 GB in the end (delta: -177.4 MB). Peak memory consumption was 21.8 MB. Max. memory is 11.5 GB. [2019-10-22 09:02:33,070 INFO L168 Benchmark]: Boogie Procedure Inliner took 89.04 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. [2019-10-22 09:02:33,071 INFO L168 Benchmark]: Boogie Preprocessor took 43.34 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. [2019-10-22 09:02:33,071 INFO L168 Benchmark]: RCFGBuilder took 822.16 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: 57.5 MB). Peak memory consumption was 57.5 MB. Max. memory is 11.5 GB. [2019-10-22 09:02:33,071 INFO L168 Benchmark]: TraceAbstraction took 1610.31 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 915.5 MB in the end (delta: 139.1 MB). Peak memory consumption was 139.1 MB. Max. memory is 11.5 GB. [2019-10-22 09:02:33,072 INFO L168 Benchmark]: Witness Printer took 119.13 ms. Allocated memory is still 1.2 GB. Free memory was 915.5 MB in the beginning and 906.7 MB in the end (delta: 8.8 MB). Peak memory consumption was 8.8 MB. Max. memory is 11.5 GB. [2019-10-22 09:02:33,073 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 966.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 471.06 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.8 MB). Free memory was 941.8 MB in the beginning and 1.1 GB in the end (delta: -177.4 MB). Peak memory consumption was 21.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 89.04 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 43.34 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 822.16 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: 57.5 MB). Peak memory consumption was 57.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1610.31 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 915.5 MB in the end (delta: 139.1 MB). Peak memory consumption was 139.1 MB. Max. memory is 11.5 GB. * Witness Printer took 119.13 ms. Allocated memory is still 1.2 GB. Free memory was 915.5 MB in the beginning and 906.7 MB in the end (delta: 8.8 MB). Peak memory consumption was 8.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 501]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 664]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 601]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 501]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 591]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 664]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 813]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 855]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 664]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 672]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 672]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 523]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 834]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0 - InvariantResult [Line: 568]: Loop Invariant Derived loop invariant: (((1 == systemActive && 0 == methaneLevelCritical) && tmp == systemActive) && \result == systemActive) && pumpRunning == 0 - InvariantResult [Line: 501]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 790]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 617]: Loop Invariant Derived loop invariant: (((1 == systemActive && 0 == methaneLevelCritical) && tmp == systemActive) && \result == systemActive) && pumpRunning == 0 - InvariantResult [Line: 745]: Loop Invariant Derived loop invariant: (\result == 0 && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 790]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 745]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 845]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 745]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 672]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 460]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 665]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 460]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 790]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 917]: Loop Invariant Derived loop invariant: ((1 == systemActive && 0 == methaneLevelCritical) && \result == systemActive) && pumpRunning == 0 - InvariantResult [Line: 460]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 81 locations, 3 error locations. Result: SAFE, OverallTime: 1.5s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, HoareTripleCheckerStatistics: 348 SDtfs, 462 SDslu, 588 SDs, 0 SdLazy, 65 SolverSat, 11 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 26 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=99occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 146 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 33 LocationsWithAnnotation, 33 PreInvPairs, 119 NumberOfFragments, 141 HoareAnnotationTreeSize, 33 FomulaSimplifications, 4447 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 33 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 112 NumberOfCodeBlocks, 112 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 107 ConstructedInterpolants, 0 QuantifiedInterpolants, 5537 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...