./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product05.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_f5e209a7-de84-4de6-9617-65e7ed00b455/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_f5e209a7-de84-4de6-9617-65e7ed00b455/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_f5e209a7-de84-4de6-9617-65e7ed00b455/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_f5e209a7-de84-4de6-9617-65e7ed00b455/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product05.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_f5e209a7-de84-4de6-9617-65e7ed00b455/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_f5e209a7-de84-4de6-9617-65e7ed00b455/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 317a8f7f0ef35cb6895b3b81bb79fb4d1e43529f .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-29 23:14:35,214 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 23:14:35,222 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 23:14:35,283 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 23:14:35,284 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 23:14:35,286 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 23:14:35,288 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 23:14:35,291 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 23:14:35,293 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 23:14:35,295 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 23:14:35,296 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 23:14:35,298 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 23:14:35,299 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 23:14:35,300 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 23:14:35,302 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 23:14:35,303 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 23:14:35,304 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 23:14:35,306 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 23:14:35,308 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 23:14:35,310 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 23:14:35,313 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 23:14:35,315 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 23:14:35,316 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 23:14:35,318 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 23:14:35,322 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 23:14:35,322 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 23:14:35,323 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 23:14:35,324 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 23:14:35,325 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 23:14:35,327 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 23:14:35,327 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 23:14:35,329 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 23:14:35,330 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 23:14:35,331 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 23:14:35,332 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 23:14:35,333 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 23:14:35,334 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 23:14:35,335 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 23:14:35,335 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 23:14:35,336 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 23:14:35,337 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 23:14:35,339 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_f5e209a7-de84-4de6-9617-65e7ed00b455/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-29 23:14:35,364 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 23:14:35,364 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 23:14:35,366 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 23:14:35,366 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 23:14:35,366 INFO L138 SettingsManager]: * Use SBE=true [2020-11-29 23:14:35,367 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 23:14:35,367 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 23:14:35,367 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 23:14:35,368 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 23:14:35,368 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 23:14:35,368 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-29 23:14:35,369 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-29 23:14:35,369 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-29 23:14:35,369 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 23:14:35,370 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 23:14:35,370 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 23:14:35,370 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-29 23:14:35,371 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 23:14:35,371 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-29 23:14:35,371 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-29 23:14:35,372 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-29 23:14:35,372 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-29 23:14:35,373 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 23:14:35,373 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-29 23:14:35,373 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-29 23:14:35,374 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-29 23:14:35,374 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-29 23:14:35,374 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-29 23:14:35,375 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-29 23:14:35,375 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_f5e209a7-de84-4de6-9617-65e7ed00b455/bin/uautomizer/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_f5e209a7-de84-4de6-9617-65e7ed00b455/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 317a8f7f0ef35cb6895b3b81bb79fb4d1e43529f [2020-11-29 23:14:35,642 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 23:14:35,689 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 23:14:35,692 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 23:14:35,694 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 23:14:35,695 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 23:14:35,696 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_f5e209a7-de84-4de6-9617-65e7ed00b455/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec2_product05.cil.c [2020-11-29 23:14:35,768 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f5e209a7-de84-4de6-9617-65e7ed00b455/bin/uautomizer/data/487d61ad3/2fa0aa07bba64e3aad87b19f531a3353/FLAG375b5ccbe [2020-11-29 23:14:36,299 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 23:14:36,299 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_f5e209a7-de84-4de6-9617-65e7ed00b455/sv-benchmarks/c/product-lines/minepump_spec2_product05.cil.c [2020-11-29 23:14:36,322 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f5e209a7-de84-4de6-9617-65e7ed00b455/bin/uautomizer/data/487d61ad3/2fa0aa07bba64e3aad87b19f531a3353/FLAG375b5ccbe [2020-11-29 23:14:36,606 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_f5e209a7-de84-4de6-9617-65e7ed00b455/bin/uautomizer/data/487d61ad3/2fa0aa07bba64e3aad87b19f531a3353 [2020-11-29 23:14:36,609 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 23:14:36,611 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 23:14:36,617 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 23:14:36,617 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 23:14:36,621 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 23:14:36,622 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 11:14:36" (1/1) ... [2020-11-29 23:14:36,624 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d1febcf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:14:36, skipping insertion in model container [2020-11-29 23:14:36,625 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 11:14:36" (1/1) ... [2020-11-29 23:14:36,637 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 23:14:36,692 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 23:14:37,036 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 23:14:37,047 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 23:14:37,150 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 23:14:37,208 INFO L208 MainTranslator]: Completed translation [2020-11-29 23:14:37,210 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:14:37 WrapperNode [2020-11-29 23:14:37,211 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 23:14:37,214 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 23:14:37,214 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 23:14:37,214 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 23:14:37,222 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:14:37" (1/1) ... [2020-11-29 23:14:37,240 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:14:37" (1/1) ... [2020-11-29 23:14:37,285 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 23:14:37,286 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 23:14:37,286 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 23:14:37,286 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 23:14:37,294 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:14:37" (1/1) ... [2020-11-29 23:14:37,294 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:14:37" (1/1) ... [2020-11-29 23:14:37,299 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:14:37" (1/1) ... [2020-11-29 23:14:37,299 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:14:37" (1/1) ... [2020-11-29 23:14:37,311 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:14:37" (1/1) ... [2020-11-29 23:14:37,319 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:14:37" (1/1) ... [2020-11-29 23:14:37,322 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:14:37" (1/1) ... [2020-11-29 23:14:37,327 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 23:14:37,328 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 23:14:37,328 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 23:14:37,328 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 23:14:37,329 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:14:37" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f5e209a7-de84-4de6-9617-65e7ed00b455/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 [2020-11-29 23:14:37,413 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 23:14:37,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-29 23:14:37,414 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 23:14:37,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 23:14:38,321 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 23:14:38,321 INFO L298 CfgBuilder]: Removed 104 assume(true) statements. [2020-11-29 23:14:38,323 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 11:14:38 BoogieIcfgContainer [2020-11-29 23:14:38,323 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 23:14:38,325 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-29 23:14:38,325 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-29 23:14:38,329 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-29 23:14:38,329 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 11:14:36" (1/3) ... [2020-11-29 23:14:38,330 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e803337 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 11:14:38, skipping insertion in model container [2020-11-29 23:14:38,330 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:14:37" (2/3) ... [2020-11-29 23:14:38,330 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e803337 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 11:14:38, skipping insertion in model container [2020-11-29 23:14:38,331 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 11:14:38" (3/3) ... [2020-11-29 23:14:38,332 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product05.cil.c [2020-11-29 23:14:38,343 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-29 23:14:38,348 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-11-29 23:14:38,360 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-11-29 23:14:38,384 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-29 23:14:38,385 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-29 23:14:38,385 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-29 23:14:38,385 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-29 23:14:38,385 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-29 23:14:38,385 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-29 23:14:38,385 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-29 23:14:38,385 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-29 23:14:38,406 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states. [2020-11-29 23:14:38,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-11-29 23:14:38,411 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 23:14:38,411 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 23:14:38,412 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 23:14:38,417 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:14:38,418 INFO L82 PathProgramCache]: Analyzing trace with hash -640056572, now seen corresponding path program 1 times [2020-11-29 23:14:38,432 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 23:14:38,433 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1265594717] [2020-11-29 23:14:38,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 23:14:38,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:14:38,744 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:14:38,745 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1265594717] [2020-11-29 23:14:38,746 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 23:14:38,746 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-29 23:14:38,747 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1512864297] [2020-11-29 23:14:38,751 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-29 23:14:38,752 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 23:14:38,770 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-29 23:14:38,770 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-29 23:14:38,773 INFO L87 Difference]: Start difference. First operand 76 states. Second operand 2 states. [2020-11-29 23:14:38,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 23:14:38,814 INFO L93 Difference]: Finished difference Result 142 states and 213 transitions. [2020-11-29 23:14:38,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-29 23:14:38,816 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2020-11-29 23:14:38,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 23:14:38,829 INFO L225 Difference]: With dead ends: 142 [2020-11-29 23:14:38,829 INFO L226 Difference]: Without dead ends: 69 [2020-11-29 23:14:38,839 INFO L677 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 [2020-11-29 23:14:38,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2020-11-29 23:14:38,883 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 69. [2020-11-29 23:14:38,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 69 states. [2020-11-29 23:14:38,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 97 transitions. [2020-11-29 23:14:38,892 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 97 transitions. Word has length 18 [2020-11-29 23:14:38,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 23:14:38,892 INFO L481 AbstractCegarLoop]: Abstraction has 69 states and 97 transitions. [2020-11-29 23:14:38,892 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-29 23:14:38,893 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 97 transitions. [2020-11-29 23:14:38,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-11-29 23:14:38,895 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 23:14:38,895 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 23:14:38,896 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-29 23:14:38,897 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 23:14:38,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:14:38,900 INFO L82 PathProgramCache]: Analyzing trace with hash -858892541, now seen corresponding path program 1 times [2020-11-29 23:14:38,901 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 23:14:38,901 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [594225761] [2020-11-29 23:14:38,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 23:14:38,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:14:39,086 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:14:39,087 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [594225761] [2020-11-29 23:14:39,087 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 23:14:39,087 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 23:14:39,088 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [299702317] [2020-11-29 23:14:39,089 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 23:14:39,089 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 23:14:39,090 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 23:14:39,091 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 23:14:39,091 INFO L87 Difference]: Start difference. First operand 69 states and 97 transitions. Second operand 3 states. [2020-11-29 23:14:39,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 23:14:39,101 INFO L93 Difference]: Finished difference Result 69 states and 97 transitions. [2020-11-29 23:14:39,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 23:14:39,102 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2020-11-29 23:14:39,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 23:14:39,103 INFO L225 Difference]: With dead ends: 69 [2020-11-29 23:14:39,103 INFO L226 Difference]: Without dead ends: 33 [2020-11-29 23:14:39,104 INFO L677 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 [2020-11-29 23:14:39,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2020-11-29 23:14:39,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2020-11-29 23:14:39,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2020-11-29 23:14:39,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 46 transitions. [2020-11-29 23:14:39,109 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 46 transitions. Word has length 19 [2020-11-29 23:14:39,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 23:14:39,110 INFO L481 AbstractCegarLoop]: Abstraction has 33 states and 46 transitions. [2020-11-29 23:14:39,110 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 23:14:39,110 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 46 transitions. [2020-11-29 23:14:39,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-29 23:14:39,111 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 23:14:39,111 INFO L422 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] [2020-11-29 23:14:39,111 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-29 23:14:39,112 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 23:14:39,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:14:39,113 INFO L82 PathProgramCache]: Analyzing trace with hash 1287067830, now seen corresponding path program 1 times [2020-11-29 23:14:39,113 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 23:14:39,113 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [765217196] [2020-11-29 23:14:39,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 23:14:39,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:14:39,198 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:14:39,198 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [765217196] [2020-11-29 23:14:39,198 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 23:14:39,199 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-29 23:14:39,199 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2059528234] [2020-11-29 23:14:39,199 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 23:14:39,199 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 23:14:39,200 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 23:14:39,200 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 23:14:39,201 INFO L87 Difference]: Start difference. First operand 33 states and 46 transitions. Second operand 3 states. [2020-11-29 23:14:39,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 23:14:39,216 INFO L93 Difference]: Finished difference Result 59 states and 85 transitions. [2020-11-29 23:14:39,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 23:14:39,223 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2020-11-29 23:14:39,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 23:14:39,224 INFO L225 Difference]: With dead ends: 59 [2020-11-29 23:14:39,224 INFO L226 Difference]: Without dead ends: 33 [2020-11-29 23:14:39,225 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 23:14:39,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2020-11-29 23:14:39,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2020-11-29 23:14:39,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2020-11-29 23:14:39,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 45 transitions. [2020-11-29 23:14:39,230 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 45 transitions. Word has length 24 [2020-11-29 23:14:39,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 23:14:39,231 INFO L481 AbstractCegarLoop]: Abstraction has 33 states and 45 transitions. [2020-11-29 23:14:39,231 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 23:14:39,231 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 45 transitions. [2020-11-29 23:14:39,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-11-29 23:14:39,232 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 23:14:39,232 INFO L422 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] [2020-11-29 23:14:39,232 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-29 23:14:39,232 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 23:14:39,233 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:14:39,233 INFO L82 PathProgramCache]: Analyzing trace with hash 1176085081, now seen corresponding path program 1 times [2020-11-29 23:14:39,233 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 23:14:39,234 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1351473497] [2020-11-29 23:14:39,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 23:14:39,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:14:39,344 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:14:39,345 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1351473497] [2020-11-29 23:14:39,345 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 23:14:39,345 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-29 23:14:39,345 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [266850379] [2020-11-29 23:14:39,346 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-29 23:14:39,346 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 23:14:39,346 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-29 23:14:39,347 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-29 23:14:39,347 INFO L87 Difference]: Start difference. First operand 33 states and 45 transitions. Second operand 5 states. [2020-11-29 23:14:39,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 23:14:39,555 INFO L93 Difference]: Finished difference Result 135 states and 200 transitions. [2020-11-29 23:14:39,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-11-29 23:14:39,556 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2020-11-29 23:14:39,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 23:14:39,558 INFO L225 Difference]: With dead ends: 135 [2020-11-29 23:14:39,558 INFO L226 Difference]: Without dead ends: 109 [2020-11-29 23:14:39,559 INFO L677 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 [2020-11-29 23:14:39,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2020-11-29 23:14:39,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 54. [2020-11-29 23:14:39,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2020-11-29 23:14:39,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 75 transitions. [2020-11-29 23:14:39,582 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 75 transitions. Word has length 25 [2020-11-29 23:14:39,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 23:14:39,582 INFO L481 AbstractCegarLoop]: Abstraction has 54 states and 75 transitions. [2020-11-29 23:14:39,583 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-29 23:14:39,583 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 75 transitions. [2020-11-29 23:14:39,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-11-29 23:14:39,585 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 23:14:39,585 INFO L422 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] [2020-11-29 23:14:39,585 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-29 23:14:39,586 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 23:14:39,586 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:14:39,586 INFO L82 PathProgramCache]: Analyzing trace with hash 1281855185, now seen corresponding path program 1 times [2020-11-29 23:14:39,588 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 23:14:39,588 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1317949538] [2020-11-29 23:14:39,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 23:14:39,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:14:39,712 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:14:39,712 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1317949538] [2020-11-29 23:14:39,712 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 23:14:39,712 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-29 23:14:39,712 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2054051166] [2020-11-29 23:14:39,713 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-29 23:14:39,713 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 23:14:39,713 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-29 23:14:39,714 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-29 23:14:39,714 INFO L87 Difference]: Start difference. First operand 54 states and 75 transitions. Second operand 5 states. [2020-11-29 23:14:39,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 23:14:39,798 INFO L93 Difference]: Finished difference Result 146 states and 212 transitions. [2020-11-29 23:14:39,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-29 23:14:39,798 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 26 [2020-11-29 23:14:39,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 23:14:39,799 INFO L225 Difference]: With dead ends: 146 [2020-11-29 23:14:39,799 INFO L226 Difference]: Without dead ends: 0 [2020-11-29 23:14:39,800 INFO L677 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 [2020-11-29 23:14:39,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-29 23:14:39,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-29 23:14:39,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-29 23:14:39,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-29 23:14:39,801 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 26 [2020-11-29 23:14:39,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 23:14:39,801 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-29 23:14:39,801 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-29 23:14:39,801 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-29 23:14:39,801 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-29 23:14:39,802 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-29 23:14:39,804 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-29 23:14:40,118 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-29 23:14:40,118 INFO L274 CegarLoopResult]: For program point L201(lines 200 245) no Hoare annotation was computed. [2020-11-29 23:14:40,119 INFO L274 CegarLoopResult]: For program point L168(lines 168 185) no Hoare annotation was computed. [2020-11-29 23:14:40,119 INFO L270 CegarLoopResult]: At program point L168-1(lines 1 881) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-11-29 23:14:40,119 INFO L274 CegarLoopResult]: For program point L168-2(lines 168 185) no Hoare annotation was computed. [2020-11-29 23:14:40,119 INFO L270 CegarLoopResult]: At program point L168-3(lines 1 881) the Hoare annotation is: false [2020-11-29 23:14:40,120 INFO L274 CegarLoopResult]: For program point L168-4(lines 168 185) no Hoare annotation was computed. [2020-11-29 23:14:40,120 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-11-29 23:14:40,120 INFO L270 CegarLoopResult]: At program point L168-5(lines 1 881) the Hoare annotation is: false [2020-11-29 23:14:40,120 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-11-29 23:14:40,120 INFO L274 CegarLoopResult]: For program point L3-2(line 3) no Hoare annotation was computed. [2020-11-29 23:14:40,120 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-29 23:14:40,120 INFO L274 CegarLoopResult]: For program point L202(lines 202 206) no Hoare annotation was computed. [2020-11-29 23:14:40,121 INFO L270 CegarLoopResult]: At program point L351(lines 346 354) the Hoare annotation is: (and (= 1 ~systemActive~0) (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-11-29 23:14:40,121 INFO L270 CegarLoopResult]: At program point L351-1(lines 346 354) the Hoare annotation is: false [2020-11-29 23:14:40,121 INFO L270 CegarLoopResult]: At program point L351-2(lines 346 354) the Hoare annotation is: false [2020-11-29 23:14:40,121 INFO L270 CegarLoopResult]: At program point L54-2(lines 54 68) the Hoare annotation is: false [2020-11-29 23:14:40,121 INFO L274 CegarLoopResult]: For program point L434(lines 434 438) no Hoare annotation was computed. [2020-11-29 23:14:40,121 INFO L274 CegarLoopResult]: For program point L434-3(lines 434 438) no Hoare annotation was computed. [2020-11-29 23:14:40,122 INFO L274 CegarLoopResult]: For program point L302(lines 302 310) no Hoare annotation was computed. [2020-11-29 23:14:40,122 INFO L274 CegarLoopResult]: For program point L302-1(lines 302 310) no Hoare annotation was computed. [2020-11-29 23:14:40,122 INFO L274 CegarLoopResult]: For program point L236(lines 236 240) no Hoare annotation was computed. [2020-11-29 23:14:40,122 INFO L274 CegarLoopResult]: For program point L434-6(lines 434 438) no Hoare annotation was computed. [2020-11-29 23:14:40,122 INFO L274 CegarLoopResult]: For program point L302-2(lines 302 310) no Hoare annotation was computed. [2020-11-29 23:14:40,122 INFO L274 CegarLoopResult]: For program point L236-2(lines 266 272) no Hoare annotation was computed. [2020-11-29 23:14:40,122 INFO L274 CegarLoopResult]: For program point L220(lines 220 226) no Hoare annotation was computed. [2020-11-29 23:14:40,123 INFO L270 CegarLoopResult]: At program point L220-1(lines 220 226) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-11-29 23:14:40,123 INFO L274 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-11-29 23:14:40,123 INFO L270 CegarLoopResult]: At program point L105(lines 101 107) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-11-29 23:14:40,123 INFO L274 CegarLoopResult]: For program point L172(lines 172 182) no Hoare annotation was computed. [2020-11-29 23:14:40,123 INFO L274 CegarLoopResult]: For program point L172-2(lines 172 182) no Hoare annotation was computed. [2020-11-29 23:14:40,123 INFO L274 CegarLoopResult]: For program point L172-4(lines 172 182) no Hoare annotation was computed. [2020-11-29 23:14:40,124 INFO L274 CegarLoopResult]: For program point L173(lines 173 179) no Hoare annotation was computed. [2020-11-29 23:14:40,124 INFO L274 CegarLoopResult]: For program point L173-2(lines 173 179) no Hoare annotation was computed. [2020-11-29 23:14:40,124 INFO L274 CegarLoopResult]: For program point L173-4(lines 173 179) no Hoare annotation was computed. [2020-11-29 23:14:40,124 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-29 23:14:40,124 INFO L270 CegarLoopResult]: At program point L157(lines 152 159) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-11-29 23:14:40,124 INFO L274 CegarLoopResult]: For program point L58(lines 58 62) no Hoare annotation was computed. [2020-11-29 23:14:40,125 INFO L274 CegarLoopResult]: For program point L58-1(lines 266 272) no Hoare annotation was computed. [2020-11-29 23:14:40,125 INFO L270 CegarLoopResult]: At program point L471(lines 466 474) the Hoare annotation is: false [2020-11-29 23:14:40,128 INFO L270 CegarLoopResult]: At program point L471-1(lines 466 474) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-11-29 23:14:40,129 INFO L270 CegarLoopResult]: At program point L471-2(lines 466 474) the Hoare annotation is: false [2020-11-29 23:14:40,129 INFO L270 CegarLoopResult]: At program point L471-3(lines 466 474) the Hoare annotation is: false [2020-11-29 23:14:40,129 INFO L270 CegarLoopResult]: At program point L471-4(lines 466 474) the Hoare annotation is: false [2020-11-29 23:14:40,135 INFO L270 CegarLoopResult]: At program point L471-5(lines 466 474) the Hoare annotation is: false [2020-11-29 23:14:40,137 INFO L270 CegarLoopResult]: At program point L273(lines 273 279) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-11-29 23:14:40,137 INFO L270 CegarLoopResult]: At program point L273-1(lines 273 279) the Hoare annotation is: false [2020-11-29 23:14:40,137 INFO L270 CegarLoopResult]: At program point L273-2(lines 273 279) the Hoare annotation is: false [2020-11-29 23:14:40,137 INFO L270 CegarLoopResult]: At program point L422(lines 417 425) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-11-29 23:14:40,138 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-29 23:14:40,138 INFO L277 CegarLoopResult]: At program point L143(lines 124 146) the Hoare annotation is: true [2020-11-29 23:14:40,139 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-29 23:14:40,139 INFO L270 CegarLoopResult]: At program point L342(lines 335 345) the Hoare annotation is: false [2020-11-29 23:14:40,139 INFO L270 CegarLoopResult]: At program point L342-1(lines 335 345) the Hoare annotation is: false [2020-11-29 23:14:40,139 INFO L270 CegarLoopResult]: At program point L342-2(lines 335 345) the Hoare annotation is: false [2020-11-29 23:14:40,139 INFO L274 CegarLoopResult]: For program point L210(lines 210 216) no Hoare annotation was computed. [2020-11-29 23:14:40,140 INFO L270 CegarLoopResult]: At program point L210-1(lines 210 216) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-11-29 23:14:40,140 INFO L274 CegarLoopResult]: For program point L458(lines 458 462) no Hoare annotation was computed. [2020-11-29 23:14:40,140 INFO L270 CegarLoopResult]: At program point L246(lines 199 247) the Hoare annotation is: false [2020-11-29 23:14:40,140 INFO L274 CegarLoopResult]: For program point L230(lines 230 241) no Hoare annotation was computed. [2020-11-29 23:14:40,140 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-29 23:14:40,141 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-29 23:14:40,141 INFO L274 CegarLoopResult]: For program point L512(line 512) no Hoare annotation was computed. [2020-11-29 23:14:40,141 INFO L274 CegarLoopResult]: For program point L512-1(line 512) no Hoare annotation was computed. [2020-11-29 23:14:40,142 INFO L274 CegarLoopResult]: For program point L446(lines 446 450) no Hoare annotation was computed. [2020-11-29 23:14:40,142 INFO L274 CegarLoopResult]: For program point L512-2(line 512) no Hoare annotation was computed. [2020-11-29 23:14:40,142 INFO L274 CegarLoopResult]: For program point L298(lines 298 315) no Hoare annotation was computed. [2020-11-29 23:14:40,143 INFO L274 CegarLoopResult]: For program point L298-1(lines 298 315) no Hoare annotation was computed. [2020-11-29 23:14:40,143 INFO L274 CegarLoopResult]: For program point L298-2(lines 298 315) no Hoare annotation was computed. [2020-11-29 23:14:40,143 INFO L270 CegarLoopResult]: At program point L414(lines 1 881) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-11-29 23:14:40,144 INFO L270 CegarLoopResult]: At program point L266(lines 265 284) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-11-29 23:14:40,145 INFO L274 CegarLoopResult]: For program point L266-1(lines 266 272) no Hoare annotation was computed. [2020-11-29 23:14:40,146 INFO L270 CegarLoopResult]: At program point L266-2(lines 265 284) the Hoare annotation is: false [2020-11-29 23:14:40,146 INFO L270 CegarLoopResult]: At program point L266-3(lines 265 284) the Hoare annotation is: false [2020-11-29 23:14:40,146 INFO L274 CegarLoopResult]: For program point L134(lines 134 141) no Hoare annotation was computed. [2020-11-29 23:14:40,146 INFO L277 CegarLoopResult]: At program point L134-1(lines 134 141) the Hoare annotation is: true [2020-11-29 23:14:40,181 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 11:14:40 BoogieIcfgContainer [2020-11-29 23:14:40,181 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-29 23:14:40,182 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 23:14:40,182 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 23:14:40,182 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 23:14:40,183 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 11:14:38" (3/4) ... [2020-11-29 23:14:40,186 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-29 23:14:40,211 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-11-29 23:14:40,213 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-11-29 23:14:40,214 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-11-29 23:14:40,215 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-11-29 23:14:40,215 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-29 23:14:40,216 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-29 23:14:40,217 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-29 23:14:40,255 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((1 == systemActive && \result == 0) && pumpRunning == 0) && splverifierCounter == 0 [2020-11-29 23:14:40,344 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_f5e209a7-de84-4de6-9617-65e7ed00b455/bin/uautomizer/witness.graphml [2020-11-29 23:14:40,344 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 23:14:40,347 INFO L168 Benchmark]: Toolchain (without parser) took 3734.36 ms. Allocated memory was 77.6 MB in the beginning and 142.6 MB in the end (delta: 65.0 MB). Free memory was 42.6 MB in the beginning and 94.9 MB in the end (delta: -52.2 MB). Peak memory consumption was 12.7 MB. Max. memory is 16.1 GB. [2020-11-29 23:14:40,347 INFO L168 Benchmark]: CDTParser took 0.35 ms. Allocated memory is still 77.6 MB. Free memory was 59.6 MB in the beginning and 59.5 MB in the end (delta: 77.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 23:14:40,348 INFO L168 Benchmark]: CACSL2BoogieTranslator took 594.26 ms. Allocated memory was 77.6 MB in the beginning and 98.6 MB in the end (delta: 21.0 MB). Free memory was 42.5 MB in the beginning and 66.4 MB in the end (delta: -23.9 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-11-29 23:14:40,349 INFO L168 Benchmark]: Boogie Procedure Inliner took 71.46 ms. Allocated memory is still 98.6 MB. Free memory was 66.4 MB in the beginning and 63.4 MB in the end (delta: 3.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 23:14:40,349 INFO L168 Benchmark]: Boogie Preprocessor took 41.13 ms. Allocated memory is still 98.6 MB. Free memory was 63.4 MB in the beginning and 61.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 23:14:40,349 INFO L168 Benchmark]: RCFGBuilder took 995.45 ms. Allocated memory is still 98.6 MB. Free memory was 61.0 MB in the beginning and 47.6 MB in the end (delta: 13.4 MB). Peak memory consumption was 25.8 MB. Max. memory is 16.1 GB. [2020-11-29 23:14:40,350 INFO L168 Benchmark]: TraceAbstraction took 1856.18 ms. Allocated memory was 98.6 MB in the beginning and 142.6 MB in the end (delta: 44.0 MB). Free memory was 47.5 MB in the beginning and 101.2 MB in the end (delta: -53.6 MB). Peak memory consumption was 20.8 MB. Max. memory is 16.1 GB. [2020-11-29 23:14:40,350 INFO L168 Benchmark]: Witness Printer took 163.05 ms. Allocated memory is still 142.6 MB. Free memory was 101.2 MB in the beginning and 94.9 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-11-29 23:14:40,353 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35 ms. Allocated memory is still 77.6 MB. Free memory was 59.6 MB in the beginning and 59.5 MB in the end (delta: 77.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 594.26 ms. Allocated memory was 77.6 MB in the beginning and 98.6 MB in the end (delta: 21.0 MB). Free memory was 42.5 MB in the beginning and 66.4 MB in the end (delta: -23.9 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 71.46 ms. Allocated memory is still 98.6 MB. Free memory was 66.4 MB in the beginning and 63.4 MB in the end (delta: 3.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 41.13 ms. Allocated memory is still 98.6 MB. Free memory was 63.4 MB in the beginning and 61.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 995.45 ms. Allocated memory is still 98.6 MB. Free memory was 61.0 MB in the beginning and 47.6 MB in the end (delta: 13.4 MB). Peak memory consumption was 25.8 MB. Max. memory is 16.1 GB. * TraceAbstraction took 1856.18 ms. Allocated memory was 98.6 MB in the beginning and 142.6 MB in the end (delta: 44.0 MB). Free memory was 47.5 MB in the beginning and 101.2 MB in the end (delta: -53.6 MB). Peak memory consumption was 20.8 MB. Max. memory is 16.1 GB. * Witness Printer took 163.05 ms. Allocated memory is still 142.6 MB. Free memory was 101.2 MB in the beginning and 94.9 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: 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: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 210]: Loop Invariant Derived loop invariant: (1 == systemActive && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 466]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (1 == systemActive && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 152]: Loop Invariant Derived loop invariant: (1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 466]: Loop Invariant Derived loop invariant: (1 == systemActive && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 466]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 335]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 265]: Loop Invariant Derived loop invariant: (1 == systemActive && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 346]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 199]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 346]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 417]: Loop Invariant Derived loop invariant: (1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 124]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 273]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 134]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 273]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 220]: Loop Invariant Derived loop invariant: (1 == systemActive && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 273]: Loop Invariant Derived loop invariant: (1 == systemActive && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 265]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 335]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 265]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 335]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 101]: Loop Invariant Derived loop invariant: (1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 346]: Loop Invariant Derived loop invariant: ((1 == systemActive && \result == 0) && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 466]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 466]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 466]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 76 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1.4s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 303 SDtfs, 256 SDslu, 255 SDs, 0 SdLazy, 57 SolverSat, 10 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 21 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=76occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 55 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 31 LocationsWithAnnotation, 31 PreInvPairs, 66 NumberOfFragments, 133 HoareAnnotationTreeSize, 31 FomulaSimplifications, 1028 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 31 FomulaSimplificationsInter, 60 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 112 NumberOfCodeBlocks, 112 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 107 ConstructedInterpolants, 0 QuantifiedInterpolants, 5261 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...