./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product23.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_753795fe-3bd2-4aa9-8ce8-0025c8b6e781/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_753795fe-3bd2-4aa9-8ce8-0025c8b6e781/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_753795fe-3bd2-4aa9-8ce8-0025c8b6e781/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_753795fe-3bd2-4aa9-8ce8-0025c8b6e781/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product23.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_753795fe-3bd2-4aa9-8ce8-0025c8b6e781/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_753795fe-3bd2-4aa9-8ce8-0025c8b6e781/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 8105acde44a746346743774bfdcca7c2d11e450d ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 21:03:13,143 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 21:03:13,155 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 21:03:13,224 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 21:03:13,225 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 21:03:13,226 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 21:03:13,228 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 21:03:13,230 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 21:03:13,233 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 21:03:13,234 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 21:03:13,235 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 21:03:13,237 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 21:03:13,238 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 21:03:13,239 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 21:03:13,240 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 21:03:13,242 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 21:03:13,243 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 21:03:13,245 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 21:03:13,247 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 21:03:13,250 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 21:03:13,252 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 21:03:13,254 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 21:03:13,256 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 21:03:13,257 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 21:03:13,260 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 21:03:13,261 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 21:03:13,261 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 21:03:13,262 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 21:03:13,263 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 21:03:13,264 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 21:03:13,265 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 21:03:13,266 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 21:03:13,267 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 21:03:13,268 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 21:03:13,269 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 21:03:13,270 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 21:03:13,270 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 21:03:13,271 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 21:03:13,271 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 21:03:13,273 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 21:03:13,274 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 21:03:13,275 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_753795fe-3bd2-4aa9-8ce8-0025c8b6e781/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-29 21:03:13,299 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 21:03:13,299 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 21:03:13,301 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 21:03:13,301 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 21:03:13,301 INFO L138 SettingsManager]: * Use SBE=true [2020-11-29 21:03:13,302 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 21:03:13,302 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 21:03:13,302 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 21:03:13,302 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 21:03:13,302 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 21:03:13,303 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-29 21:03:13,303 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-29 21:03:13,303 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-29 21:03:13,303 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 21:03:13,303 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 21:03:13,304 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 21:03:13,304 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-29 21:03:13,304 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 21:03:13,304 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-29 21:03:13,304 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-29 21:03:13,305 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-29 21:03:13,305 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-29 21:03:13,305 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 21:03:13,305 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-29 21:03:13,306 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-29 21:03:13,306 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-29 21:03:13,306 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-29 21:03:13,306 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-29 21:03:13,306 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-29 21:03:13,307 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_753795fe-3bd2-4aa9-8ce8-0025c8b6e781/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_753795fe-3bd2-4aa9-8ce8-0025c8b6e781/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8105acde44a746346743774bfdcca7c2d11e450d [2020-11-29 21:03:13,560 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 21:03:13,598 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 21:03:13,601 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 21:03:13,602 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 21:03:13,604 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 21:03:13,605 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_753795fe-3bd2-4aa9-8ce8-0025c8b6e781/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec2_product23.cil.c [2020-11-29 21:03:13,697 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_753795fe-3bd2-4aa9-8ce8-0025c8b6e781/bin/uautomizer/data/c53d36888/2530bdbc806a4fcd96d2017b22157e5b/FLAGd47520aff [2020-11-29 21:03:14,193 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 21:03:14,194 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_753795fe-3bd2-4aa9-8ce8-0025c8b6e781/sv-benchmarks/c/product-lines/minepump_spec2_product23.cil.c [2020-11-29 21:03:14,207 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_753795fe-3bd2-4aa9-8ce8-0025c8b6e781/bin/uautomizer/data/c53d36888/2530bdbc806a4fcd96d2017b22157e5b/FLAGd47520aff [2020-11-29 21:03:14,537 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_753795fe-3bd2-4aa9-8ce8-0025c8b6e781/bin/uautomizer/data/c53d36888/2530bdbc806a4fcd96d2017b22157e5b [2020-11-29 21:03:14,539 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 21:03:14,541 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 21:03:14,543 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 21:03:14,543 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 21:03:14,553 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 21:03:14,554 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 09:03:14" (1/1) ... [2020-11-29 21:03:14,557 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34c66a09 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:03:14, skipping insertion in model container [2020-11-29 21:03:14,557 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 09:03:14" (1/1) ... [2020-11-29 21:03:14,565 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 21:03:14,630 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 21:03:14,989 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 21:03:15,007 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 21:03:15,123 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 21:03:15,163 INFO L208 MainTranslator]: Completed translation [2020-11-29 21:03:15,164 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:03:15 WrapperNode [2020-11-29 21:03:15,164 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 21:03:15,166 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 21:03:15,166 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 21:03:15,166 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 21:03:15,175 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:03:15" (1/1) ... [2020-11-29 21:03:15,194 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:03:15" (1/1) ... [2020-11-29 21:03:15,249 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 21:03:15,255 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 21:03:15,257 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 21:03:15,257 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 21:03:15,274 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:03:15" (1/1) ... [2020-11-29 21:03:15,274 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:03:15" (1/1) ... [2020-11-29 21:03:15,284 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:03:15" (1/1) ... [2020-11-29 21:03:15,284 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:03:15" (1/1) ... [2020-11-29 21:03:15,310 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:03:15" (1/1) ... [2020-11-29 21:03:15,331 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:03:15" (1/1) ... [2020-11-29 21:03:15,335 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:03:15" (1/1) ... [2020-11-29 21:03:15,340 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 21:03:15,341 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 21:03:15,342 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 21:03:15,342 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 21:03:15,344 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:03:15" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_753795fe-3bd2-4aa9-8ce8-0025c8b6e781/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 21:03:15,461 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 21:03:15,462 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-29 21:03:15,462 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 21:03:15,463 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 21:03:16,409 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 21:03:16,409 INFO L298 CfgBuilder]: Removed 168 assume(true) statements. [2020-11-29 21:03:16,412 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 09:03:16 BoogieIcfgContainer [2020-11-29 21:03:16,413 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 21:03:16,416 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-29 21:03:16,417 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-29 21:03:16,421 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-29 21:03:16,421 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 09:03:14" (1/3) ... [2020-11-29 21:03:16,422 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@519afb16 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 09:03:16, skipping insertion in model container [2020-11-29 21:03:16,423 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:03:15" (2/3) ... [2020-11-29 21:03:16,423 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@519afb16 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 09:03:16, skipping insertion in model container [2020-11-29 21:03:16,423 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 09:03:16" (3/3) ... [2020-11-29 21:03:16,425 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product23.cil.c [2020-11-29 21:03:16,440 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-29 21:03:16,445 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-11-29 21:03:16,458 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-11-29 21:03:16,495 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-29 21:03:16,496 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-29 21:03:16,496 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-29 21:03:16,496 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-29 21:03:16,496 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-29 21:03:16,496 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-29 21:03:16,497 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-29 21:03:16,497 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-29 21:03:16,516 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states. [2020-11-29 21:03:16,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-11-29 21:03:16,523 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 21:03:16,523 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 21:03:16,524 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 21:03:16,531 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 21:03:16,531 INFO L82 PathProgramCache]: Analyzing trace with hash 1592652580, now seen corresponding path program 1 times [2020-11-29 21:03:16,541 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 21:03:16,541 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2059360535] [2020-11-29 21:03:16,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 21:03:16,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:03:16,773 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 21:03:16,774 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2059360535] [2020-11-29 21:03:16,774 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 21:03:16,775 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-29 21:03:16,776 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [615092040] [2020-11-29 21:03:16,781 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-29 21:03:16,781 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 21:03:16,797 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-29 21:03:16,798 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-29 21:03:16,800 INFO L87 Difference]: Start difference. First operand 114 states. Second operand 2 states. [2020-11-29 21:03:16,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 21:03:16,854 INFO L93 Difference]: Finished difference Result 218 states and 327 transitions. [2020-11-29 21:03:16,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-29 21:03:16,855 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2020-11-29 21:03:16,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 21:03:16,875 INFO L225 Difference]: With dead ends: 218 [2020-11-29 21:03:16,876 INFO L226 Difference]: Without dead ends: 107 [2020-11-29 21:03:16,888 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 21:03:16,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2020-11-29 21:03:16,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 107. [2020-11-29 21:03:16,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 107 states. [2020-11-29 21:03:16,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 154 transitions. [2020-11-29 21:03:16,982 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 154 transitions. Word has length 18 [2020-11-29 21:03:16,983 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 21:03:16,983 INFO L481 AbstractCegarLoop]: Abstraction has 107 states and 154 transitions. [2020-11-29 21:03:16,983 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-29 21:03:16,984 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 154 transitions. [2020-11-29 21:03:16,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-11-29 21:03:16,988 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 21:03:16,989 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 21:03:16,989 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-29 21:03:16,989 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 21:03:16,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 21:03:16,992 INFO L82 PathProgramCache]: Analyzing trace with hash 1373816611, now seen corresponding path program 1 times [2020-11-29 21:03:16,993 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 21:03:16,993 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1392023855] [2020-11-29 21:03:16,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 21:03:17,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:03:17,126 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 21:03:17,126 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1392023855] [2020-11-29 21:03:17,126 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 21:03:17,126 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 21:03:17,127 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1717258673] [2020-11-29 21:03:17,128 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 21:03:17,128 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 21:03:17,129 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 21:03:17,129 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 21:03:17,129 INFO L87 Difference]: Start difference. First operand 107 states and 154 transitions. Second operand 3 states. [2020-11-29 21:03:17,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 21:03:17,150 INFO L93 Difference]: Finished difference Result 107 states and 154 transitions. [2020-11-29 21:03:17,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 21:03:17,152 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2020-11-29 21:03:17,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 21:03:17,153 INFO L225 Difference]: With dead ends: 107 [2020-11-29 21:03:17,154 INFO L226 Difference]: Without dead ends: 47 [2020-11-29 21:03:17,156 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 21:03:17,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2020-11-29 21:03:17,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2020-11-29 21:03:17,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2020-11-29 21:03:17,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 67 transitions. [2020-11-29 21:03:17,168 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 67 transitions. Word has length 19 [2020-11-29 21:03:17,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 21:03:17,168 INFO L481 AbstractCegarLoop]: Abstraction has 47 states and 67 transitions. [2020-11-29 21:03:17,168 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 21:03:17,169 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 67 transitions. [2020-11-29 21:03:17,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-29 21:03:17,171 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 21:03:17,171 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 21:03:17,172 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-29 21:03:17,172 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 21:03:17,173 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 21:03:17,173 INFO L82 PathProgramCache]: Analyzing trace with hash 1244835391, now seen corresponding path program 1 times [2020-11-29 21:03:17,174 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 21:03:17,175 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2077265239] [2020-11-29 21:03:17,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 21:03:17,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:03:17,287 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 21:03:17,287 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2077265239] [2020-11-29 21:03:17,287 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 21:03:17,287 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-29 21:03:17,288 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1686391458] [2020-11-29 21:03:17,288 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 21:03:17,288 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 21:03:17,289 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 21:03:17,289 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 21:03:17,289 INFO L87 Difference]: Start difference. First operand 47 states and 67 transitions. Second operand 3 states. [2020-11-29 21:03:17,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 21:03:17,313 INFO L93 Difference]: Finished difference Result 127 states and 187 transitions. [2020-11-29 21:03:17,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 21:03:17,314 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2020-11-29 21:03:17,314 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 21:03:17,315 INFO L225 Difference]: With dead ends: 127 [2020-11-29 21:03:17,315 INFO L226 Difference]: Without dead ends: 87 [2020-11-29 21:03:17,316 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 21:03:17,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2020-11-29 21:03:17,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 83. [2020-11-29 21:03:17,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 83 states. [2020-11-29 21:03:17,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 122 transitions. [2020-11-29 21:03:17,327 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 122 transitions. Word has length 24 [2020-11-29 21:03:17,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 21:03:17,328 INFO L481 AbstractCegarLoop]: Abstraction has 83 states and 122 transitions. [2020-11-29 21:03:17,328 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 21:03:17,328 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 122 transitions. [2020-11-29 21:03:17,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-11-29 21:03:17,329 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 21:03:17,330 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 21:03:17,330 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-29 21:03:17,330 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 21:03:17,331 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 21:03:17,331 INFO L82 PathProgramCache]: Analyzing trace with hash 1177918449, now seen corresponding path program 1 times [2020-11-29 21:03:17,331 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 21:03:17,331 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [365571920] [2020-11-29 21:03:17,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 21:03:17,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:03:17,484 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 21:03:17,485 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [365571920] [2020-11-29 21:03:17,485 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 21:03:17,485 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-29 21:03:17,485 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [495655261] [2020-11-29 21:03:17,486 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-29 21:03:17,486 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 21:03:17,487 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-29 21:03:17,487 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-29 21:03:17,487 INFO L87 Difference]: Start difference. First operand 83 states and 122 transitions. Second operand 5 states. [2020-11-29 21:03:17,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 21:03:17,671 INFO L93 Difference]: Finished difference Result 409 states and 623 transitions. [2020-11-29 21:03:17,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-11-29 21:03:17,672 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 26 [2020-11-29 21:03:17,673 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 21:03:17,676 INFO L225 Difference]: With dead ends: 409 [2020-11-29 21:03:17,676 INFO L226 Difference]: Without dead ends: 333 [2020-11-29 21:03:17,677 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 21:03:17,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 333 states. [2020-11-29 21:03:17,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 333 to 151. [2020-11-29 21:03:17,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 151 states. [2020-11-29 21:03:17,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 222 transitions. [2020-11-29 21:03:17,714 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 222 transitions. Word has length 26 [2020-11-29 21:03:17,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 21:03:17,715 INFO L481 AbstractCegarLoop]: Abstraction has 151 states and 222 transitions. [2020-11-29 21:03:17,715 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-29 21:03:17,715 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 222 transitions. [2020-11-29 21:03:17,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-11-29 21:03:17,717 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 21:03:17,717 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, 1] [2020-11-29 21:03:17,717 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-29 21:03:17,717 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 21:03:17,718 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 21:03:17,718 INFO L82 PathProgramCache]: Analyzing trace with hash 161824377, now seen corresponding path program 1 times [2020-11-29 21:03:17,718 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 21:03:17,718 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2092106280] [2020-11-29 21:03:17,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 21:03:17,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:03:17,832 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 21:03:17,832 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2092106280] [2020-11-29 21:03:17,832 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 21:03:17,832 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-29 21:03:17,833 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1051540286] [2020-11-29 21:03:17,833 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-29 21:03:17,833 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 21:03:17,833 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-29 21:03:17,834 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-29 21:03:17,834 INFO L87 Difference]: Start difference. First operand 151 states and 222 transitions. Second operand 5 states. [2020-11-29 21:03:17,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 21:03:17,931 INFO L93 Difference]: Finished difference Result 359 states and 544 transitions. [2020-11-29 21:03:17,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-29 21:03:17,932 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 27 [2020-11-29 21:03:17,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 21:03:17,933 INFO L225 Difference]: With dead ends: 359 [2020-11-29 21:03:17,933 INFO L226 Difference]: Without dead ends: 0 [2020-11-29 21:03:17,935 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 21:03:17,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-29 21:03:17,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-29 21:03:17,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-29 21:03:17,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-29 21:03:17,936 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 27 [2020-11-29 21:03:17,936 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 21:03:17,937 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-29 21:03:17,937 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-29 21:03:17,937 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-29 21:03:17,937 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-29 21:03:17,937 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-29 21:03:17,943 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-29 21:03:18,243 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-29 21:03:18,244 INFO L274 CegarLoopResult]: For program point L696(lines 696 704) no Hoare annotation was computed. [2020-11-29 21:03:18,244 INFO L274 CegarLoopResult]: For program point L696-1(lines 696 704) no Hoare annotation was computed. [2020-11-29 21:03:18,244 INFO L274 CegarLoopResult]: For program point L696-2(lines 696 704) no Hoare annotation was computed. [2020-11-29 21:03:18,244 INFO L274 CegarLoopResult]: For program point L597(lines 597 610) no Hoare annotation was computed. [2020-11-29 21:03:18,244 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-11-29 21:03:18,244 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-11-29 21:03:18,244 INFO L274 CegarLoopResult]: For program point L3-2(line 3) no Hoare annotation was computed. [2020-11-29 21:03:18,245 INFO L274 CegarLoopResult]: For program point L666(lines 666 683) no Hoare annotation was computed. [2020-11-29 21:03:18,245 INFO L274 CegarLoopResult]: For program point L666-1(lines 666 683) no Hoare annotation was computed. [2020-11-29 21:03:18,245 INFO L274 CegarLoopResult]: For program point L666-2(lines 666 683) no Hoare annotation was computed. [2020-11-29 21:03:18,245 INFO L274 CegarLoopResult]: For program point L666-3(lines 666 683) no Hoare annotation was computed. [2020-11-29 21:03:18,245 INFO L274 CegarLoopResult]: For program point L666-4(lines 666 683) no Hoare annotation was computed. [2020-11-29 21:03:18,245 INFO L274 CegarLoopResult]: For program point L666-5(lines 666 683) no Hoare annotation was computed. [2020-11-29 21:03:18,246 INFO L270 CegarLoopResult]: At program point L634(lines 633 652) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-11-29 21:03:18,246 INFO L274 CegarLoopResult]: For program point L634-1(lines 634 640) no Hoare annotation was computed. [2020-11-29 21:03:18,246 INFO L274 CegarLoopResult]: For program point L568(lines 567 614) no Hoare annotation was computed. [2020-11-29 21:03:18,246 INFO L270 CegarLoopResult]: At program point L634-2(lines 633 652) the Hoare annotation is: false [2020-11-29 21:03:18,246 INFO L270 CegarLoopResult]: At program point L634-3(lines 633 652) the Hoare annotation is: false [2020-11-29 21:03:18,246 INFO L270 CegarLoopResult]: At program point L800(lines 785 803) the Hoare annotation is: false [2020-11-29 21:03:18,246 INFO L270 CegarLoopResult]: At program point L800-1(lines 785 803) the Hoare annotation is: false [2020-11-29 21:03:18,247 INFO L270 CegarLoopResult]: At program point L800-2(lines 785 803) the Hoare annotation is: false [2020-11-29 21:03:18,247 INFO L270 CegarLoopResult]: At program point L800-3(lines 785 803) the Hoare annotation is: false [2020-11-29 21:03:18,247 INFO L270 CegarLoopResult]: At program point L800-4(lines 785 803) the Hoare annotation is: false [2020-11-29 21:03:18,247 INFO L270 CegarLoopResult]: At program point L800-5(lines 785 803) the Hoare annotation is: false [2020-11-29 21:03:18,248 INFO L274 CegarLoopResult]: For program point L569(lines 569 573) no Hoare annotation was computed. [2020-11-29 21:03:18,248 INFO L274 CegarLoopResult]: For program point L603(lines 603 609) no Hoare annotation was computed. [2020-11-29 21:03:18,248 INFO L270 CegarLoopResult]: At program point L603-1(lines 634 640) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-11-29 21:03:18,248 INFO L270 CegarLoopResult]: At program point L736(lines 729 739) the Hoare annotation is: false [2020-11-29 21:03:18,249 INFO L270 CegarLoopResult]: At program point L736-1(lines 729 739) the Hoare annotation is: false [2020-11-29 21:03:18,249 INFO L274 CegarLoopResult]: For program point L670(lines 670 678) no Hoare annotation was computed. [2020-11-29 21:03:18,249 INFO L270 CegarLoopResult]: At program point L736-2(lines 729 739) the Hoare annotation is: false [2020-11-29 21:03:18,249 INFO L274 CegarLoopResult]: For program point L670-1(lines 670 678) no Hoare annotation was computed. [2020-11-29 21:03:18,249 INFO L274 CegarLoopResult]: For program point L670-2(lines 670 678) no Hoare annotation was computed. [2020-11-29 21:03:18,250 INFO L274 CegarLoopResult]: For program point L670-3(lines 670 678) no Hoare annotation was computed. [2020-11-29 21:03:18,250 INFO L274 CegarLoopResult]: For program point L670-4(lines 670 678) no Hoare annotation was computed. [2020-11-29 21:03:18,250 INFO L274 CegarLoopResult]: For program point L670-5(lines 670 678) no Hoare annotation was computed. [2020-11-29 21:03:18,250 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-29 21:03:18,251 INFO L270 CegarLoopResult]: At program point L869-2(lines 869 883) the Hoare annotation is: false [2020-11-29 21:03:18,251 INFO L274 CegarLoopResult]: For program point L870(line 870) no Hoare annotation was computed. [2020-11-29 21:03:18,251 INFO L274 CegarLoopResult]: For program point L79(lines 79 83) no Hoare annotation was computed. [2020-11-29 21:03:18,251 INFO L270 CegarLoopResult]: At program point L641(lines 641 647) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-11-29 21:03:18,252 INFO L270 CegarLoopResult]: At program point L641-1(lines 641 647) the Hoare annotation is: false [2020-11-29 21:03:18,252 INFO L270 CegarLoopResult]: At program point L641-2(lines 641 647) the Hoare annotation is: false [2020-11-29 21:03:18,252 INFO L270 CegarLoopResult]: At program point L146(lines 141 148) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-11-29 21:03:18,252 INFO L274 CegarLoopResult]: For program point L873(lines 873 877) no Hoare annotation was computed. [2020-11-29 21:03:18,252 INFO L274 CegarLoopResult]: For program point L873-1(lines 634 640) no Hoare annotation was computed. [2020-11-29 21:03:18,253 INFO L274 CegarLoopResult]: For program point L808(lines 808 814) no Hoare annotation was computed. [2020-11-29 21:03:18,253 INFO L270 CegarLoopResult]: At program point L808-1(lines 808 814) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-11-29 21:03:18,253 INFO L274 CegarLoopResult]: For program point L577(lines 577 583) no Hoare annotation was computed. [2020-11-29 21:03:18,253 INFO L270 CegarLoopResult]: At program point L577-1(lines 577 583) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-11-29 21:03:18,253 INFO L274 CegarLoopResult]: For program point L941(lines 941 948) no Hoare annotation was computed. [2020-11-29 21:03:18,254 INFO L277 CegarLoopResult]: At program point L941-1(lines 941 948) the Hoare annotation is: true [2020-11-29 21:03:18,254 INFO L270 CegarLoopResult]: At program point L745(lines 740 748) the Hoare annotation is: (and (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-11-29 21:03:18,254 INFO L270 CegarLoopResult]: At program point L745-1(lines 740 748) the Hoare annotation is: false [2020-11-29 21:03:18,254 INFO L270 CegarLoopResult]: At program point L745-2(lines 740 748) the Hoare annotation is: false [2020-11-29 21:03:18,255 INFO L270 CegarLoopResult]: At program point L845(lines 1 953) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-11-29 21:03:18,255 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-29 21:03:18,255 INFO L270 CegarLoopResult]: At program point L615(lines 566 616) the Hoare annotation is: false [2020-11-29 21:03:18,255 INFO L274 CegarLoopResult]: For program point L549(line 549) no Hoare annotation was computed. [2020-11-29 21:03:18,255 INFO L274 CegarLoopResult]: For program point L549-1(line 549) no Hoare annotation was computed. [2020-11-29 21:03:18,255 INFO L274 CegarLoopResult]: For program point L549-2(line 549) no Hoare annotation was computed. [2020-11-29 21:03:18,256 INFO L274 CegarLoopResult]: For program point L55(lines 55 59) no Hoare annotation was computed. [2020-11-29 21:03:18,256 INFO L274 CegarLoopResult]: For program point L55-3(lines 55 59) no Hoare annotation was computed. [2020-11-29 21:03:18,256 INFO L274 CegarLoopResult]: For program point L55-6(lines 55 59) no Hoare annotation was computed. [2020-11-29 21:03:18,256 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-29 21:03:18,256 INFO L274 CegarLoopResult]: For program point L157(lines 157 174) no Hoare annotation was computed. [2020-11-29 21:03:18,256 INFO L270 CegarLoopResult]: At program point L157-1(lines 1 953) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-11-29 21:03:18,257 INFO L274 CegarLoopResult]: For program point L157-2(lines 157 174) no Hoare annotation was computed. [2020-11-29 21:03:18,257 INFO L270 CegarLoopResult]: At program point L157-3(lines 1 953) the Hoare annotation is: false [2020-11-29 21:03:18,257 INFO L274 CegarLoopResult]: For program point L157-4(lines 157 174) no Hoare annotation was computed. [2020-11-29 21:03:18,257 INFO L270 CegarLoopResult]: At program point L157-5(lines 1 953) the Hoare annotation is: false [2020-11-29 21:03:18,257 INFO L277 CegarLoopResult]: At program point L950(lines 931 953) the Hoare annotation is: true [2020-11-29 21:03:18,258 INFO L270 CegarLoopResult]: At program point L917(lines 913 919) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-11-29 21:03:18,258 INFO L274 CegarLoopResult]: For program point L587(lines 587 593) no Hoare annotation was computed. [2020-11-29 21:03:18,258 INFO L270 CegarLoopResult]: At program point L587-1(lines 587 593) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-11-29 21:03:18,258 INFO L270 CegarLoopResult]: At program point L92(lines 87 95) the Hoare annotation is: false [2020-11-29 21:03:18,258 INFO L270 CegarLoopResult]: At program point L92-1(lines 87 95) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-11-29 21:03:18,259 INFO L270 CegarLoopResult]: At program point L92-2(lines 87 95) the Hoare annotation is: false [2020-11-29 21:03:18,259 INFO L270 CegarLoopResult]: At program point L92-3(lines 87 95) the Hoare annotation is: false [2020-11-29 21:03:18,259 INFO L270 CegarLoopResult]: At program point L92-4(lines 87 95) the Hoare annotation is: false [2020-11-29 21:03:18,259 INFO L270 CegarLoopResult]: At program point L92-5(lines 87 95) the Hoare annotation is: false [2020-11-29 21:03:18,259 INFO L270 CegarLoopResult]: At program point L853(lines 848 856) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-11-29 21:03:18,260 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-29 21:03:18,260 INFO L274 CegarLoopResult]: For program point L161(lines 161 171) no Hoare annotation was computed. [2020-11-29 21:03:18,260 INFO L274 CegarLoopResult]: For program point L161-2(lines 161 171) no Hoare annotation was computed. [2020-11-29 21:03:18,260 INFO L274 CegarLoopResult]: For program point L161-4(lines 161 171) no Hoare annotation was computed. [2020-11-29 21:03:18,260 INFO L274 CegarLoopResult]: For program point L162(lines 162 168) no Hoare annotation was computed. [2020-11-29 21:03:18,260 INFO L274 CegarLoopResult]: For program point L162-2(lines 162 168) no Hoare annotation was computed. [2020-11-29 21:03:18,261 INFO L274 CegarLoopResult]: For program point L162-4(lines 162 168) no Hoare annotation was computed. [2020-11-29 21:03:18,261 INFO L274 CegarLoopResult]: For program point L692(lines 692 709) no Hoare annotation was computed. [2020-11-29 21:03:18,261 INFO L274 CegarLoopResult]: For program point L692-1(lines 692 709) no Hoare annotation was computed. [2020-11-29 21:03:18,261 INFO L274 CegarLoopResult]: For program point L692-2(lines 692 709) no Hoare annotation was computed. [2020-11-29 21:03:18,261 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-29 21:03:18,262 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-29 21:03:18,262 INFO L270 CegarLoopResult]: At program point L133(lines 128 136) the Hoare annotation is: false [2020-11-29 21:03:18,262 INFO L270 CegarLoopResult]: At program point L133-1(lines 128 136) the Hoare annotation is: false [2020-11-29 21:03:18,262 INFO L274 CegarLoopResult]: For program point L67(lines 67 71) no Hoare annotation was computed. [2020-11-29 21:03:18,262 INFO L270 CegarLoopResult]: At program point L133-2(lines 128 136) the Hoare annotation is: false [2020-11-29 21:03:18,262 INFO L270 CegarLoopResult]: At program point L133-3(lines 128 136) the Hoare annotation is: false [2020-11-29 21:03:18,263 INFO L270 CegarLoopResult]: At program point L133-4(lines 128 136) the Hoare annotation is: false [2020-11-29 21:03:18,263 INFO L270 CegarLoopResult]: At program point L133-5(lines 128 136) the Hoare annotation is: false [2020-11-29 21:03:18,263 INFO L274 CegarLoopResult]: For program point L794(lines 794 798) no Hoare annotation was computed. [2020-11-29 21:03:18,263 INFO L274 CegarLoopResult]: For program point L794-2(lines 794 798) no Hoare annotation was computed. [2020-11-29 21:03:18,263 INFO L274 CegarLoopResult]: For program point L794-3(lines 794 798) no Hoare annotation was computed. [2020-11-29 21:03:18,264 INFO L274 CegarLoopResult]: For program point L794-5(lines 794 798) no Hoare annotation was computed. [2020-11-29 21:03:18,264 INFO L274 CegarLoopResult]: For program point L794-6(lines 794 798) no Hoare annotation was computed. [2020-11-29 21:03:18,264 INFO L274 CegarLoopResult]: For program point L794-8(lines 794 798) no Hoare annotation was computed. [2020-11-29 21:03:18,264 INFO L274 CegarLoopResult]: For program point L794-9(lines 794 798) no Hoare annotation was computed. [2020-11-29 21:03:18,264 INFO L274 CegarLoopResult]: For program point L794-11(lines 794 798) no Hoare annotation was computed. [2020-11-29 21:03:18,264 INFO L274 CegarLoopResult]: For program point L794-12(lines 794 798) no Hoare annotation was computed. [2020-11-29 21:03:18,265 INFO L274 CegarLoopResult]: For program point L794-14(lines 794 798) no Hoare annotation was computed. [2020-11-29 21:03:18,265 INFO L274 CegarLoopResult]: For program point L794-15(lines 794 798) no Hoare annotation was computed. [2020-11-29 21:03:18,265 INFO L274 CegarLoopResult]: For program point L794-17(lines 794 798) no Hoare annotation was computed. [2020-11-29 21:03:18,285 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 09:03:18 BoogieIcfgContainer [2020-11-29 21:03:18,285 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-29 21:03:18,286 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 21:03:18,286 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 21:03:18,286 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 21:03:18,287 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 09:03:16" (3/4) ... [2020-11-29 21:03:18,290 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-29 21:03:18,321 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-11-29 21:03:18,322 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-11-29 21:03:18,323 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-11-29 21:03:18,325 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-11-29 21:03:18,326 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-29 21:03:18,327 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-29 21:03:18,328 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-29 21:03:18,368 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\result == 0 && pumpRunning == 0) && splverifierCounter == 0 [2020-11-29 21:03:18,455 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_753795fe-3bd2-4aa9-8ce8-0025c8b6e781/bin/uautomizer/witness.graphml [2020-11-29 21:03:18,455 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 21:03:18,459 INFO L168 Benchmark]: Toolchain (without parser) took 3917.22 ms. Allocated memory was 88.1 MB in the beginning and 155.2 MB in the end (delta: 67.1 MB). Free memory was 54.3 MB in the beginning and 105.8 MB in the end (delta: -51.5 MB). Peak memory consumption was 17.4 MB. Max. memory is 16.1 GB. [2020-11-29 21:03:18,460 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 88.1 MB. Free memory is still 46.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 21:03:18,461 INFO L168 Benchmark]: CACSL2BoogieTranslator took 622.03 ms. Allocated memory was 88.1 MB in the beginning and 111.1 MB in the end (delta: 23.1 MB). Free memory was 54.1 MB in the beginning and 76.4 MB in the end (delta: -22.3 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-29 21:03:18,461 INFO L168 Benchmark]: Boogie Procedure Inliner took 89.08 ms. Allocated memory is still 111.1 MB. Free memory was 76.4 MB in the beginning and 72.3 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-29 21:03:18,461 INFO L168 Benchmark]: Boogie Preprocessor took 84.84 ms. Allocated memory is still 111.1 MB. Free memory was 72.3 MB in the beginning and 70.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 21:03:18,462 INFO L168 Benchmark]: RCFGBuilder took 1071.71 ms. Allocated memory is still 111.1 MB. Free memory was 69.6 MB in the beginning and 61.9 MB in the end (delta: 7.8 MB). Peak memory consumption was 43.3 MB. Max. memory is 16.1 GB. [2020-11-29 21:03:18,462 INFO L168 Benchmark]: TraceAbstraction took 1869.33 ms. Allocated memory was 111.1 MB in the beginning and 155.2 MB in the end (delta: 44.0 MB). Free memory was 61.1 MB in the beginning and 115.2 MB in the end (delta: -54.1 MB). Peak memory consumption was 27.9 MB. Max. memory is 16.1 GB. [2020-11-29 21:03:18,463 INFO L168 Benchmark]: Witness Printer took 169.19 ms. Allocated memory is still 155.2 MB. Free memory was 115.2 MB in the beginning and 105.8 MB in the end (delta: 9.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-29 21:03:18,465 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 88.1 MB. Free memory is still 46.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 622.03 ms. Allocated memory was 88.1 MB in the beginning and 111.1 MB in the end (delta: 23.1 MB). Free memory was 54.1 MB in the beginning and 76.4 MB in the end (delta: -22.3 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 89.08 ms. Allocated memory is still 111.1 MB. Free memory was 76.4 MB in the beginning and 72.3 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 84.84 ms. Allocated memory is still 111.1 MB. Free memory was 72.3 MB in the beginning and 70.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1071.71 ms. Allocated memory is still 111.1 MB. Free memory was 69.6 MB in the beginning and 61.9 MB in the end (delta: 7.8 MB). Peak memory consumption was 43.3 MB. Max. memory is 16.1 GB. * TraceAbstraction took 1869.33 ms. Allocated memory was 111.1 MB in the beginning and 155.2 MB in the end (delta: 44.0 MB). Free memory was 61.1 MB in the beginning and 115.2 MB in the end (delta: -54.1 MB). Peak memory consumption was 27.9 MB. Max. memory is 16.1 GB. * Witness Printer took 169.19 ms. Allocated memory is still 155.2 MB. Free memory was 115.2 MB in the beginning and 105.8 MB in the end (delta: 9.4 MB). Peak memory consumption was 10.5 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: 128]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 633]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 633]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 941]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 141]: Loop Invariant Derived loop invariant: (1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 641]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 931]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 641]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 577]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 729]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 785]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 848]: Loop Invariant Derived loop invariant: (1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 913]: Loop Invariant Derived loop invariant: (1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 729]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 641]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 785]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 808]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 634]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 633]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 869]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 587]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 740]: Loop Invariant Derived loop invariant: (\result == 0 && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 785]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 729]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 740]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 785]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 566]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 740]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 785]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 785]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 114 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: 451 SDtfs, 412 SDslu, 454 SDs, 0 SdLazy, 70 SolverSat, 12 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=151occurred 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: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 186 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 45 LocationsWithAnnotation, 45 PreInvPairs, 131 NumberOfFragments, 138 HoareAnnotationTreeSize, 45 FomulaSimplifications, 2748 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 45 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 114 NumberOfCodeBlocks, 114 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 109 ConstructedInterpolants, 0 QuantifiedInterpolants, 5549 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...