./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product22.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 69874e26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_c7fb991a-ef33-4374-85f3-eea0c3bc44fd/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_c7fb991a-ef33-4374-85f3-eea0c3bc44fd/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_c7fb991a-ef33-4374-85f3-eea0c3bc44fd/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_c7fb991a-ef33-4374-85f3-eea0c3bc44fd/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product22.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_c7fb991a-ef33-4374-85f3-eea0c3bc44fd/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_c7fb991a-ef33-4374-85f3-eea0c3bc44fd/bin/ukojak --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 Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 20892c88f0ca6c150ca3aad2ee45b915645ec1b7 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-69874e2 [2020-12-01 16:41:09,153 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 16:41:09,156 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 16:41:09,229 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 16:41:09,230 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 16:41:09,236 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 16:41:09,239 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 16:41:09,243 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 16:41:09,246 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 16:41:09,253 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 16:41:09,254 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 16:41:09,257 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 16:41:09,257 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 16:41:09,261 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 16:41:09,263 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 16:41:09,265 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 16:41:09,266 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 16:41:09,270 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 16:41:09,274 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 16:41:09,283 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 16:41:09,285 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 16:41:09,287 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 16:41:09,289 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 16:41:09,290 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 16:41:09,300 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 16:41:09,301 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 16:41:09,301 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 16:41:09,303 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 16:41:09,304 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 16:41:09,306 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 16:41:09,306 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 16:41:09,308 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 16:41:09,310 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 16:41:09,312 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 16:41:09,314 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 16:41:09,314 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 16:41:09,316 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 16:41:09,316 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 16:41:09,316 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 16:41:09,317 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 16:41:09,318 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 16:41:09,321 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_c7fb991a-ef33-4374-85f3-eea0c3bc44fd/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-12-01 16:41:09,359 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 16:41:09,359 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 16:41:09,361 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-01 16:41:09,361 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-12-01 16:41:09,362 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 16:41:09,362 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 16:41:09,363 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 16:41:09,363 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 16:41:09,363 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 16:41:09,364 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 16:41:09,365 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 16:41:09,365 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 16:41:09,365 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 16:41:09,366 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 16:41:09,366 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 16:41:09,366 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 16:41:09,366 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 16:41:09,367 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 16:41:09,367 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-12-01 16:41:09,367 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-12-01 16:41:09,368 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 16:41:09,368 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 16:41:09,368 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 16:41:09,368 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 16:41:09,369 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 16:41:09,369 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 16:41:09,369 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-12-01 16:41:09,369 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-01 16:41:09,370 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 16:41:09,371 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_c7fb991a-ef33-4374-85f3-eea0c3bc44fd/bin/ukojak/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_c7fb991a-ef33-4374-85f3-eea0c3bc44fd/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 20892c88f0ca6c150ca3aad2ee45b915645ec1b7 [2020-12-01 16:41:09,682 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 16:41:09,711 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 16:41:09,720 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 16:41:09,722 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 16:41:09,723 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 16:41:09,725 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_c7fb991a-ef33-4374-85f3-eea0c3bc44fd/bin/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec1_product22.cil.c [2020-12-01 16:41:09,865 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_c7fb991a-ef33-4374-85f3-eea0c3bc44fd/bin/ukojak/data/b9a0c5d9b/5dd85814cbda43979d2536ff08f1ac02/FLAGb9ddaa9e3 [2020-12-01 16:41:10,439 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 16:41:10,440 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_c7fb991a-ef33-4374-85f3-eea0c3bc44fd/sv-benchmarks/c/product-lines/minepump_spec1_product22.cil.c [2020-12-01 16:41:10,455 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_c7fb991a-ef33-4374-85f3-eea0c3bc44fd/bin/ukojak/data/b9a0c5d9b/5dd85814cbda43979d2536ff08f1ac02/FLAGb9ddaa9e3 [2020-12-01 16:41:10,744 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_c7fb991a-ef33-4374-85f3-eea0c3bc44fd/bin/ukojak/data/b9a0c5d9b/5dd85814cbda43979d2536ff08f1ac02 [2020-12-01 16:41:10,748 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 16:41:10,750 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 16:41:10,765 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 16:41:10,765 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 16:41:10,770 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 16:41:10,771 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 04:41:10" (1/1) ... [2020-12-01 16:41:10,775 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61841c78 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:41:10, skipping insertion in model container [2020-12-01 16:41:10,776 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 04:41:10" (1/1) ... [2020-12-01 16:41:10,785 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 16:41:10,863 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 16:41:11,254 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 16:41:11,269 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 16:41:11,380 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 16:41:11,419 INFO L208 MainTranslator]: Completed translation [2020-12-01 16:41:11,420 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:41:11 WrapperNode [2020-12-01 16:41:11,420 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 16:41:11,421 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 16:41:11,422 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 16:41:11,422 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 16:41:11,431 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:41:11" (1/1) ... [2020-12-01 16:41:11,450 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:41:11" (1/1) ... [2020-12-01 16:41:11,501 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 16:41:11,505 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 16:41:11,505 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 16:41:11,505 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 16:41:11,513 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:41:11" (1/1) ... [2020-12-01 16:41:11,514 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:41:11" (1/1) ... [2020-12-01 16:41:11,518 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:41:11" (1/1) ... [2020-12-01 16:41:11,521 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:41:11" (1/1) ... [2020-12-01 16:41:11,531 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:41:11" (1/1) ... [2020-12-01 16:41:11,539 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:41:11" (1/1) ... [2020-12-01 16:41:11,542 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:41:11" (1/1) ... [2020-12-01 16:41:11,547 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 16:41:11,548 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 16:41:11,548 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 16:41:11,548 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 16:41:11,550 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:41:11" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c7fb991a-ef33-4374-85f3-eea0c3bc44fd/bin/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (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:10000 [2020-12-01 16:41:11,643 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 16:41:11,643 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-12-01 16:41:11,643 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-12-01 16:41:11,644 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-12-01 16:41:11,644 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-12-01 16:41:11,644 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-12-01 16:41:11,644 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-12-01 16:41:11,644 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-12-01 16:41:11,645 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-12-01 16:41:11,645 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-12-01 16:41:11,645 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-12-01 16:41:11,645 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2020-12-01 16:41:11,646 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2020-12-01 16:41:11,646 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-12-01 16:41:11,646 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-12-01 16:41:11,646 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-01 16:41:11,648 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-12-01 16:41:11,648 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-12-01 16:41:11,648 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 16:41:11,649 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 16:41:13,165 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 16:41:13,166 INFO L298 CfgBuilder]: Removed 38 assume(true) statements. [2020-12-01 16:41:13,168 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:41:13 BoogieIcfgContainer [2020-12-01 16:41:13,168 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 16:41:13,169 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-12-01 16:41:13,169 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-12-01 16:41:13,180 INFO L275 PluginConnector]: CodeCheck initialized [2020-12-01 16:41:13,180 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:41:13" (1/1) ... [2020-12-01 16:41:13,190 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 16:41:13,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:41:13,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 59 states and 78 transitions. [2020-12-01 16:41:13,232 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 78 transitions. [2020-12-01 16:41:13,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-12-01 16:41:13,238 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:41:13,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:41:13,505 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:41:13,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:41:13,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 59 states and 76 transitions. [2020-12-01 16:41:13,520 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 76 transitions. [2020-12-01 16:41:13,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-01 16:41:13,522 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:41:13,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:41:13,684 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:41:13,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:41:13,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 61 states and 79 transitions. [2020-12-01 16:41:13,706 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 79 transitions. [2020-12-01 16:41:13,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-12-01 16:41:13,708 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:41:13,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:41:13,898 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:41:14,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:41:14,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 74 states and 105 transitions. [2020-12-01 16:41:14,242 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 105 transitions. [2020-12-01 16:41:14,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-12-01 16:41:14,244 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:41:14,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:41:14,341 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:41:14,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:41:14,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 75 states and 106 transitions. [2020-12-01 16:41:14,369 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 106 transitions. [2020-12-01 16:41:14,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-12-01 16:41:14,371 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:41:14,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:41:14,461 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:41:15,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:41:15,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 90 states and 138 transitions. [2020-12-01 16:41:15,227 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 138 transitions. [2020-12-01 16:41:15,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-12-01 16:41:15,241 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:41:15,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:41:15,349 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:41:15,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:41:15,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 91 states and 139 transitions. [2020-12-01 16:41:15,372 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 139 transitions. [2020-12-01 16:41:15,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-12-01 16:41:15,375 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:41:15,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:41:15,493 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:41:15,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:41:15,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 94 states and 147 transitions. [2020-12-01 16:41:15,592 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 147 transitions. [2020-12-01 16:41:15,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-12-01 16:41:15,596 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:41:15,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:41:15,652 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 16:41:15,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:41:15,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 98 states and 156 transitions. [2020-12-01 16:41:15,688 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 156 transitions. [2020-12-01 16:41:15,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-12-01 16:41:15,692 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:41:15,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:41:15,811 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:41:16,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:41:16,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 100 states and 160 transitions. [2020-12-01 16:41:16,071 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 160 transitions. [2020-12-01 16:41:16,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-12-01 16:41:16,074 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:41:16,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:41:16,135 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:41:16,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:41:16,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 98 states and 154 transitions. [2020-12-01 16:41:16,158 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 154 transitions. [2020-12-01 16:41:16,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-12-01 16:41:16,162 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:41:16,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:41:16,220 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-01 16:41:16,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:41:16,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 103 states and 163 transitions. [2020-12-01 16:41:16,355 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 163 transitions. [2020-12-01 16:41:16,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-12-01 16:41:16,359 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:41:16,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:41:16,406 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-01 16:41:16,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:41:16,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 104 states and 164 transitions. [2020-12-01 16:41:16,432 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 164 transitions. [2020-12-01 16:41:16,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-12-01 16:41:16,434 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:41:16,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:41:16,777 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-01 16:41:17,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:41:17,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 107 states and 170 transitions. [2020-12-01 16:41:17,597 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 170 transitions. [2020-12-01 16:41:17,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-12-01 16:41:17,598 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:41:17,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:41:17,667 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-12-01 16:41:18,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:41:18,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 113 states and 187 transitions. [2020-12-01 16:41:18,679 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 187 transitions. [2020-12-01 16:41:18,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-12-01 16:41:18,681 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:41:18,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:41:19,298 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-01 16:41:22,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:41:22,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 128 states and 225 transitions. [2020-12-01 16:41:22,308 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 225 transitions. [2020-12-01 16:41:22,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-12-01 16:41:22,322 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:41:22,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:41:22,393 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-01 16:41:23,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:41:23,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 131 states and 232 transitions. [2020-12-01 16:41:23,370 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 232 transitions. [2020-12-01 16:41:23,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-12-01 16:41:23,373 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:41:23,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:41:23,442 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-12-01 16:41:25,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:41:25,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 143 states and 260 transitions. [2020-12-01 16:41:25,721 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 260 transitions. [2020-12-01 16:41:25,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-12-01 16:41:25,723 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:41:25,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:41:25,793 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-12-01 16:41:25,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:41:25,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 144 states and 261 transitions. [2020-12-01 16:41:25,819 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 261 transitions. [2020-12-01 16:41:25,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-12-01 16:41:25,822 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:41:25,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:41:25,866 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-01 16:41:26,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:41:26,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 147 states and 267 transitions. [2020-12-01 16:41:26,620 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 267 transitions. [2020-12-01 16:41:26,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-12-01 16:41:26,621 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:41:26,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:41:26,672 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-12-01 16:41:28,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:41:28,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 154 states and 274 transitions. [2020-12-01 16:41:28,826 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 274 transitions. [2020-12-01 16:41:28,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-12-01 16:41:28,827 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:41:28,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:41:28,869 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-12-01 16:41:29,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:41:29,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 157 states and 279 transitions. [2020-12-01 16:41:29,067 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 279 transitions. [2020-12-01 16:41:29,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-12-01 16:41:29,068 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:41:29,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:41:29,116 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2020-12-01 16:41:29,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:41:29,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 158 states and 280 transitions. [2020-12-01 16:41:29,152 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 280 transitions. [2020-12-01 16:41:29,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-12-01 16:41:29,159 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:41:29,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:41:29,209 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 24 proven. 9 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-01 16:41:29,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:41:29,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 159 states and 281 transitions. [2020-12-01 16:41:29,236 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 281 transitions. [2020-12-01 16:41:29,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2020-12-01 16:41:29,239 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:41:29,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:41:29,688 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 18 proven. 16 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-12-01 16:41:33,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:41:33,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 171 states and 309 transitions. [2020-12-01 16:41:33,493 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 309 transitions. [2020-12-01 16:41:33,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-12-01 16:41:33,496 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:41:33,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:41:33,555 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2020-12-01 16:41:33,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:41:33,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 172 states and 310 transitions. [2020-12-01 16:41:33,587 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 310 transitions. [2020-12-01 16:41:33,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2020-12-01 16:41:33,590 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:41:33,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:41:33,646 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 37 proven. 21 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-12-01 16:41:34,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:41:34,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 180 states and 329 transitions. [2020-12-01 16:41:34,933 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 329 transitions. [2020-12-01 16:41:34,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2020-12-01 16:41:34,935 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:41:34,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:41:34,993 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 39 proven. 31 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2020-12-01 16:41:35,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:41:35,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 184 states and 338 transitions. [2020-12-01 16:41:35,579 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 338 transitions. [2020-12-01 16:41:35,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2020-12-01 16:41:35,582 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:41:35,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:41:35,647 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 39 proven. 34 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2020-12-01 16:41:35,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:41:35,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 185 states and 340 transitions. [2020-12-01 16:41:35,698 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 340 transitions. [2020-12-01 16:41:35,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2020-12-01 16:41:35,701 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:41:35,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:41:35,808 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 61 proven. 48 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2020-12-01 16:41:36,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:41:36,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 187 states and 344 transitions. [2020-12-01 16:41:36,367 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 344 transitions. [2020-12-01 16:41:36,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2020-12-01 16:41:36,370 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:41:36,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:41:36,448 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 68 proven. 57 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2020-12-01 16:41:36,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:41:36,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 193 states and 353 transitions. [2020-12-01 16:41:36,535 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 353 transitions. [2020-12-01 16:41:36,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2020-12-01 16:41:36,538 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:41:36,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:41:36,636 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 69 proven. 57 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2020-12-01 16:41:36,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:41:36,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 89 states and 118 transitions. [2020-12-01 16:41:36,670 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 118 transitions. [2020-12-01 16:41:36,671 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-01 16:41:36,671 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 32 iterations. [2020-12-01 16:41:36,681 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2020-12-01 16:41:37,093 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 16:41:37,098 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 16:41:37,099 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 16:41:37,099 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 16:41:37,099 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 16:41:37,099 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 16:41:37,099 INFO L569 CodeCheckObserver]: Invariant with dag size 7 [2020-12-01 16:41:37,104 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 16:41:37,104 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 16:41:37,105 INFO L569 CodeCheckObserver]: Invariant with dag size 3 [2020-12-01 16:41:37,105 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 16:41:37,105 INFO L569 CodeCheckObserver]: Invariant with dag size 15 [2020-12-01 16:41:37,107 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 16:41:37,107 INFO L569 CodeCheckObserver]: Invariant with dag size 9 [2020-12-01 16:41:37,108 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 04:41:37 ImpRootNode [2020-12-01 16:41:37,108 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-12-01 16:41:37,109 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 16:41:37,109 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 16:41:37,110 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 16:41:37,110 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:41:13" (3/4) ... [2020-12-01 16:41:37,114 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-01 16:41:37,120 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2020-12-01 16:41:37,120 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2020-12-01 16:41:37,120 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2020-12-01 16:41:37,120 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2020-12-01 16:41:37,121 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2020-12-01 16:41:37,121 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2020-12-01 16:41:37,121 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2020-12-01 16:41:37,122 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__lowWaterSensor [2020-12-01 16:41:37,144 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 63 nodes and edges [2020-12-01 16:41:37,146 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2020-12-01 16:41:37,147 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2020-12-01 16:41:37,148 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-12-01 16:41:37,149 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-12-01 16:41:37,149 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-01 16:41:37,150 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-01 16:41:37,186 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(pumpRunning == 0) || pumpRunning == \old(pumpRunning) [2020-12-01 16:41:37,191 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: pumpRunning == \old(pumpRunning) [2020-12-01 16:41:37,191 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(tmp == 0) && !(pumpRunning == 0)) || (!(tmp == 0) && !(pumpRunning == \old(pumpRunning)))) || tmp == methaneLevelCritical [2020-12-01 16:41:37,274 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_c7fb991a-ef33-4374-85f3-eea0c3bc44fd/bin/ukojak/witness.graphml [2020-12-01 16:41:37,275 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 16:41:37,277 INFO L168 Benchmark]: Toolchain (without parser) took 26525.77 ms. Allocated memory was 96.5 MB in the beginning and 360.7 MB in the end (delta: 264.2 MB). Free memory was 63.9 MB in the beginning and 296.9 MB in the end (delta: -233.0 MB). Peak memory consumption was 31.2 MB. Max. memory is 16.1 GB. [2020-12-01 16:41:37,277 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 96.5 MB. Free memory is still 52.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 16:41:37,279 INFO L168 Benchmark]: CACSL2BoogieTranslator took 655.68 ms. Allocated memory is still 96.5 MB. Free memory was 63.7 MB in the beginning and 63.5 MB in the end (delta: 141.3 kB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-12-01 16:41:37,279 INFO L168 Benchmark]: Boogie Procedure Inliner took 80.51 ms. Allocated memory is still 96.5 MB. Free memory was 63.5 MB in the beginning and 61.0 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 16:41:37,280 INFO L168 Benchmark]: Boogie Preprocessor took 42.43 ms. Allocated memory is still 96.5 MB. Free memory was 61.0 MB in the beginning and 59.4 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 16:41:37,280 INFO L168 Benchmark]: RCFGBuilder took 1620.32 ms. Allocated memory was 96.5 MB in the beginning and 117.4 MB in the end (delta: 21.0 MB). Free memory was 58.9 MB in the beginning and 88.5 MB in the end (delta: -29.5 MB). Peak memory consumption was 35.0 MB. Max. memory is 16.1 GB. [2020-12-01 16:41:37,281 INFO L168 Benchmark]: CodeCheck took 23939.44 ms. Allocated memory was 117.4 MB in the beginning and 360.7 MB in the end (delta: 243.3 MB). Free memory was 88.5 MB in the beginning and 302.2 MB in the end (delta: -213.7 MB). Peak memory consumption was 213.1 MB. Max. memory is 16.1 GB. [2020-12-01 16:41:37,281 INFO L168 Benchmark]: Witness Printer took 165.74 ms. Allocated memory is still 360.7 MB. Free memory was 302.2 MB in the beginning and 296.9 MB in the end (delta: 5.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-12-01 16:41:37,288 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 9 procedures, 59 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 23.4s, OverallIterations: 32, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: -1270092668 SDtfs, 645420980 SDslu, 2028637988 SDs, 0 SdLazy, -482395212 SolverSat, 2057672692 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 26.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 15799 GetRequests, 15489 SyntacticMatches, 42 SemanticMatches, 268 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28260 ImplicationChecksByTransitivity, 18.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 2.5s InterpolantComputationTime, 1568 NumberOfCodeBlocks, 1568 NumberOfCodeBlocksAsserted, 31 NumberOfCheckSat, 1537 ConstructedInterpolants, 0 QuantifiedInterpolants, 213038 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 31 InterpolantComputations, 17 PerfectInterpolantSequences, 787/1089 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - 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 1 specifications checked. All of them hold - InvariantResult [Line: 111]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 876]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 788]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 121]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 915]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 687]: Loop Invariant Derived loop invariant: !(pumpRunning == 0) || pumpRunning == \old(pumpRunning) - InvariantResult [Line: 877]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 695]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 720]: Loop Invariant Derived loop invariant: pumpRunning == \old(pumpRunning) - InvariantResult [Line: 91]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 91]: Loop Invariant Derived loop invariant: ((!(tmp == 0) && !(pumpRunning == 0)) || (!(tmp == 0) && !(pumpRunning == \old(pumpRunning)))) || tmp == methaneLevelCritical - InvariantResult [Line: 196]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 196]: Loop Invariant Derived loop invariant: (1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 ms. Allocated memory is still 96.5 MB. Free memory is still 52.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 655.68 ms. Allocated memory is still 96.5 MB. Free memory was 63.7 MB in the beginning and 63.5 MB in the end (delta: 141.3 kB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 80.51 ms. Allocated memory is still 96.5 MB. Free memory was 63.5 MB in the beginning and 61.0 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 42.43 ms. Allocated memory is still 96.5 MB. Free memory was 61.0 MB in the beginning and 59.4 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1620.32 ms. Allocated memory was 96.5 MB in the beginning and 117.4 MB in the end (delta: 21.0 MB). Free memory was 58.9 MB in the beginning and 88.5 MB in the end (delta: -29.5 MB). Peak memory consumption was 35.0 MB. Max. memory is 16.1 GB. * CodeCheck took 23939.44 ms. Allocated memory was 117.4 MB in the beginning and 360.7 MB in the end (delta: 243.3 MB). Free memory was 88.5 MB in the beginning and 302.2 MB in the end (delta: -213.7 MB). Peak memory consumption was 213.1 MB. Max. memory is 16.1 GB. * Witness Printer took 165.74 ms. Allocated memory is still 360.7 MB. Free memory was 302.2 MB in the beginning and 296.9 MB in the end (delta: 5.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...