./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product22.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_c30322e6-5cc5-4b59-a6d3-84536fca3d53/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_c30322e6-5cc5-4b59-a6d3-84536fca3d53/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_c30322e6-5cc5-4b59-a6d3-84536fca3d53/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_c30322e6-5cc5-4b59-a6d3-84536fca3d53/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product22.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_c30322e6-5cc5-4b59-a6d3-84536fca3d53/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_c30322e6-5cc5-4b59-a6d3-84536fca3d53/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 062932e2a77eaa56a60a5c6bf9705187ac9d312a ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 18:46:15,041 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 18:46:15,043 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 18:46:15,137 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 18:46:15,138 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 18:46:15,139 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 18:46:15,145 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 18:46:15,152 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 18:46:15,155 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 18:46:15,160 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 18:46:15,161 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 18:46:15,163 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 18:46:15,164 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 18:46:15,167 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 18:46:15,168 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 18:46:15,172 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 18:46:15,173 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 18:46:15,174 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 18:46:15,180 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 18:46:15,187 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 18:46:15,189 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 18:46:15,190 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 18:46:15,192 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 18:46:15,193 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 18:46:15,201 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 18:46:15,202 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 18:46:15,202 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 18:46:15,204 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 18:46:15,204 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 18:46:15,205 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 18:46:15,206 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 18:46:15,207 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 18:46:15,209 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 18:46:15,210 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 18:46:15,211 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 18:46:15,211 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 18:46:15,212 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 18:46:15,212 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 18:46:15,212 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 18:46:15,213 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 18:46:15,215 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 18:46:15,217 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_c30322e6-5cc5-4b59-a6d3-84536fca3d53/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-11-29 18:46:15,247 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 18:46:15,247 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 18:46:15,248 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-29 18:46:15,248 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-11-29 18:46:15,249 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 18:46:15,249 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 18:46:15,249 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 18:46:15,249 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 18:46:15,250 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 18:46:15,250 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 18:46:15,250 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 18:46:15,250 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-29 18:46:15,250 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-29 18:46:15,251 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-29 18:46:15,251 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 18:46:15,251 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 18:46:15,251 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 18:46:15,252 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-29 18:46:15,252 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-29 18:46:15,252 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-29 18:46:15,252 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 18:46:15,252 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-29 18:46:15,253 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-29 18:46:15,253 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 18:46:15,253 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-29 18:46:15,253 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-29 18:46:15,254 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-11-29 18:46:15,254 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-29 18:46:15,254 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-29 18:46:15,254 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_c30322e6-5cc5-4b59-a6d3-84536fca3d53/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_c30322e6-5cc5-4b59-a6d3-84536fca3d53/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 062932e2a77eaa56a60a5c6bf9705187ac9d312a [2020-11-29 18:46:15,552 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 18:46:15,586 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 18:46:15,590 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 18:46:15,592 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 18:46:15,593 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 18:46:15,594 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_c30322e6-5cc5-4b59-a6d3-84536fca3d53/bin/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec2_product22.cil.c [2020-11-29 18:46:15,666 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_c30322e6-5cc5-4b59-a6d3-84536fca3d53/bin/ukojak/data/4df54a650/184e8d5febfc44868d7c2aa0e812c8e1/FLAG0467802de [2020-11-29 18:46:16,257 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 18:46:16,257 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_c30322e6-5cc5-4b59-a6d3-84536fca3d53/sv-benchmarks/c/product-lines/minepump_spec2_product22.cil.c [2020-11-29 18:46:16,269 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_c30322e6-5cc5-4b59-a6d3-84536fca3d53/bin/ukojak/data/4df54a650/184e8d5febfc44868d7c2aa0e812c8e1/FLAG0467802de [2020-11-29 18:46:16,678 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_c30322e6-5cc5-4b59-a6d3-84536fca3d53/bin/ukojak/data/4df54a650/184e8d5febfc44868d7c2aa0e812c8e1 [2020-11-29 18:46:16,683 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 18:46:16,685 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 18:46:16,690 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 18:46:16,690 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 18:46:16,693 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 18:46:16,694 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 06:46:16" (1/1) ... [2020-11-29 18:46:16,696 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36a8d45a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:46:16, skipping insertion in model container [2020-11-29 18:46:16,696 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 06:46:16" (1/1) ... [2020-11-29 18:46:16,704 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 18:46:16,759 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 18:46:17,072 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 18:46:17,082 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 18:46:17,173 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 18:46:17,209 INFO L208 MainTranslator]: Completed translation [2020-11-29 18:46:17,210 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:46:17 WrapperNode [2020-11-29 18:46:17,210 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 18:46:17,211 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 18:46:17,212 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 18:46:17,212 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 18:46:17,223 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:46:17" (1/1) ... [2020-11-29 18:46:17,261 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:46:17" (1/1) ... [2020-11-29 18:46:17,298 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 18:46:17,299 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 18:46:17,299 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 18:46:17,300 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 18:46:17,308 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:46:17" (1/1) ... [2020-11-29 18:46:17,309 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:46:17" (1/1) ... [2020-11-29 18:46:17,312 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:46:17" (1/1) ... [2020-11-29 18:46:17,313 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:46:17" (1/1) ... [2020-11-29 18:46:17,321 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:46:17" (1/1) ... [2020-11-29 18:46:17,339 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:46:17" (1/1) ... [2020-11-29 18:46:17,342 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:46:17" (1/1) ... [2020-11-29 18:46:17,345 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 18:46:17,346 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 18:46:17,346 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 18:46:17,346 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 18:46:17,347 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:46:17" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c30322e6-5cc5-4b59-a6d3-84536fca3d53/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 [2020-11-29 18:46:17,412 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 18:46:17,413 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-11-29 18:46:17,413 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-11-29 18:46:17,413 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-11-29 18:46:17,413 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-11-29 18:46:17,413 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-11-29 18:46:17,414 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-11-29 18:46:17,414 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-11-29 18:46:17,414 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-11-29 18:46:17,414 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-11-29 18:46:17,414 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-11-29 18:46:17,414 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2020-11-29 18:46:17,415 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2020-11-29 18:46:17,415 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-11-29 18:46:17,415 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-11-29 18:46:17,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-29 18:46:17,415 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-11-29 18:46:17,415 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-11-29 18:46:17,416 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 18:46:17,416 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 18:46:19,029 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 18:46:19,030 INFO L298 CfgBuilder]: Removed 40 assume(true) statements. [2020-11-29 18:46:19,032 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:46:19 BoogieIcfgContainer [2020-11-29 18:46:19,032 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 18:46:19,033 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-11-29 18:46:19,033 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-11-29 18:46:19,045 INFO L275 PluginConnector]: CodeCheck initialized [2020-11-29 18:46:19,046 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:46:19" (1/1) ... [2020-11-29 18:46:19,057 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:46:19,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:46:19,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 60 states and 80 transitions. [2020-11-29 18:46:19,115 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 80 transitions. [2020-11-29 18:46:19,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-11-29 18:46:19,122 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:46:19,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:46:19,466 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 18:46:19,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:46:19,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 60 states and 78 transitions. [2020-11-29 18:46:19,489 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 78 transitions. [2020-11-29 18:46:19,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-11-29 18:46:19,492 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:46:19,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:46:19,618 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 18:46:19,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:46:19,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 62 states and 81 transitions. [2020-11-29 18:46:19,649 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 81 transitions. [2020-11-29 18:46:19,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-11-29 18:46:19,651 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:46:19,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:46:19,746 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 18:46:20,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:46:20,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 71 states and 98 transitions. [2020-11-29 18:46:20,076 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 98 transitions. [2020-11-29 18:46:20,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-11-29 18:46:20,079 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:46:20,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:46:20,196 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 18:46:20,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:46:20,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 86 states and 131 transitions. [2020-11-29 18:46:20,862 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 131 transitions. [2020-11-29 18:46:20,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-11-29 18:46:20,865 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:46:20,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:46:21,071 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 18:46:22,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:46:22,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 100 states and 166 transitions. [2020-11-29 18:46:22,234 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 166 transitions. [2020-11-29 18:46:22,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-11-29 18:46:22,237 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:46:22,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:46:22,320 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 18:46:22,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:46:22,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 102 states and 168 transitions. [2020-11-29 18:46:22,420 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 168 transitions. [2020-11-29 18:46:22,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-11-29 18:46:22,422 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:46:22,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:46:22,513 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 18:46:22,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:46:22,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 110 states and 187 transitions. [2020-11-29 18:46:22,650 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 187 transitions. [2020-11-29 18:46:22,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-11-29 18:46:22,652 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:46:22,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:46:22,775 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 18:46:23,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:46:23,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 116 states and 204 transitions. [2020-11-29 18:46:23,033 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 204 transitions. [2020-11-29 18:46:23,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-11-29 18:46:23,036 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:46:23,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:46:23,131 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 18:46:23,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:46:23,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 118 states and 209 transitions. [2020-11-29 18:46:23,365 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 209 transitions. [2020-11-29 18:46:23,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-11-29 18:46:23,367 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:46:23,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:46:23,407 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 18:46:23,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:46:23,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 116 states and 203 transitions. [2020-11-29 18:46:23,429 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 203 transitions. [2020-11-29 18:46:23,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-11-29 18:46:23,431 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:46:23,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:46:23,464 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-29 18:46:23,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:46:23,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 121 states and 212 transitions. [2020-11-29 18:46:23,679 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 212 transitions. [2020-11-29 18:46:23,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-11-29 18:46:23,681 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:46:23,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:46:23,754 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-29 18:46:23,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:46:23,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 122 states and 213 transitions. [2020-11-29 18:46:23,771 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 213 transitions. [2020-11-29 18:46:23,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-11-29 18:46:23,772 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:46:23,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:46:23,810 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-29 18:46:23,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:46:23,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 123 states and 213 transitions. [2020-11-29 18:46:23,834 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 213 transitions. [2020-11-29 18:46:23,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-11-29 18:46:23,835 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:46:23,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:46:24,199 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-11-29 18:46:25,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:46:25,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 128 states and 227 transitions. [2020-11-29 18:46:25,208 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 227 transitions. [2020-11-29 18:46:25,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-11-29 18:46:25,209 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:46:25,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:46:25,289 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-29 18:46:25,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:46:25,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 136 states and 247 transitions. [2020-11-29 18:46:25,976 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 247 transitions. [2020-11-29 18:46:25,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-11-29 18:46:25,978 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:46:25,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:46:26,019 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-29 18:46:26,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:46:26,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 141 states and 257 transitions. [2020-11-29 18:46:26,161 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 257 transitions. [2020-11-29 18:46:26,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-11-29 18:46:26,163 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:46:26,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:46:26,207 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-29 18:46:26,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:46:26,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 142 states and 258 transitions. [2020-11-29 18:46:26,235 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 258 transitions. [2020-11-29 18:46:26,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-11-29 18:46:26,237 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:46:26,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:46:26,307 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-29 18:46:26,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:46:26,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 145 states and 265 transitions. [2020-11-29 18:46:26,502 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 265 transitions. [2020-11-29 18:46:26,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-11-29 18:46:26,504 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:46:26,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:46:26,564 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-11-29 18:46:26,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:46:26,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 148 states and 269 transitions. [2020-11-29 18:46:26,821 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 269 transitions. [2020-11-29 18:46:26,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-11-29 18:46:26,825 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:46:26,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:46:26,961 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-29 18:46:27,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:46:27,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 149 states and 269 transitions. [2020-11-29 18:46:27,084 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 269 transitions. [2020-11-29 18:46:27,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-11-29 18:46:27,085 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:46:27,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:46:27,141 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-11-29 18:46:28,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:46:28,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 155 states and 294 transitions. [2020-11-29 18:46:28,692 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 294 transitions. [2020-11-29 18:46:28,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-11-29 18:46:28,694 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:46:28,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:46:28,737 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-11-29 18:46:29,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:46:29,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 159 states and 304 transitions. [2020-11-29 18:46:29,491 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 304 transitions. [2020-11-29 18:46:29,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-11-29 18:46:29,493 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:46:29,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:46:29,528 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-11-29 18:46:29,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:46:29,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 161 states and 311 transitions. [2020-11-29 18:46:29,886 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 311 transitions. [2020-11-29 18:46:29,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-11-29 18:46:29,887 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:46:29,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:46:29,923 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-11-29 18:46:30,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:46:30,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 162 states and 313 transitions. [2020-11-29 18:46:30,248 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 313 transitions. [2020-11-29 18:46:30,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-11-29 18:46:30,249 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:46:30,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:46:30,290 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-11-29 18:46:31,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:46:31,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 164 states and 319 transitions. [2020-11-29 18:46:31,100 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 319 transitions. [2020-11-29 18:46:31,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-11-29 18:46:31,101 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:46:31,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:46:31,135 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-29 18:46:31,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:46:31,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 164 states and 317 transitions. [2020-11-29 18:46:31,448 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 317 transitions. [2020-11-29 18:46:31,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-11-29 18:46:31,450 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:46:31,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:46:31,497 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-11-29 18:46:31,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:46:31,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 164 states and 314 transitions. [2020-11-29 18:46:31,816 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 314 transitions. [2020-11-29 18:46:31,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-11-29 18:46:31,817 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:46:31,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:46:31,851 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-29 18:46:32,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:46:32,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 164 states and 309 transitions. [2020-11-29 18:46:32,124 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 309 transitions. [2020-11-29 18:46:32,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-11-29 18:46:32,126 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:46:32,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:46:32,165 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-11-29 18:46:33,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:46:33,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 168 states and 317 transitions. [2020-11-29 18:46:33,093 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 317 transitions. [2020-11-29 18:46:33,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-11-29 18:46:33,127 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:46:33,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:46:33,175 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-11-29 18:46:33,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:46:33,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 169 states and 318 transitions. [2020-11-29 18:46:33,197 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 318 transitions. [2020-11-29 18:46:33,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2020-11-29 18:46:33,199 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:46:33,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:46:33,244 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 25 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-11-29 18:46:33,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:46:33,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 172 states and 324 transitions. [2020-11-29 18:46:33,606 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 324 transitions. [2020-11-29 18:46:33,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2020-11-29 18:46:33,610 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:46:33,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:46:33,661 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2020-11-29 18:46:33,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:46:33,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 175 states and 329 transitions. [2020-11-29 18:46:33,686 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 329 transitions. [2020-11-29 18:46:33,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2020-11-29 18:46:33,689 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:46:33,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:46:33,735 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2020-11-29 18:46:33,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:46:33,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 176 states and 330 transitions. [2020-11-29 18:46:33,771 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 330 transitions. [2020-11-29 18:46:33,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2020-11-29 18:46:33,773 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:46:33,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:46:33,819 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2020-11-29 18:46:33,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:46:33,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 83 states and 110 transitions. [2020-11-29 18:46:33,841 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 110 transitions. [2020-11-29 18:46:33,841 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-29 18:46:33,841 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 35 iterations. [2020-11-29 18:46:33,853 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2020-11-29 18:46:34,272 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-29 18:46:34,278 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-29 18:46:34,279 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-29 18:46:34,279 INFO L569 CodeCheckObserver]: Invariant with dag size 8 [2020-11-29 18:46:34,283 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-29 18:46:34,283 INFO L569 CodeCheckObserver]: Invariant with dag size 3 [2020-11-29 18:46:34,284 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-29 18:46:34,284 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-29 18:46:34,285 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-29 18:46:34,285 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-29 18:46:34,285 INFO L569 CodeCheckObserver]: Invariant with dag size 9 [2020-11-29 18:46:34,286 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-29 18:46:34,286 INFO L569 CodeCheckObserver]: Invariant with dag size 11 [2020-11-29 18:46:34,287 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-29 18:46:34,287 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 29.11 06:46:34 ImpRootNode [2020-11-29 18:46:34,288 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-11-29 18:46:34,288 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 18:46:34,288 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 18:46:34,289 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 18:46:34,289 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:46:19" (3/4) ... [2020-11-29 18:46:34,293 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-29 18:46:34,298 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2020-11-29 18:46:34,298 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2020-11-29 18:46:34,299 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2020-11-29 18:46:34,299 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2020-11-29 18:46:34,299 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2020-11-29 18:46:34,299 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2020-11-29 18:46:34,299 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2020-11-29 18:46:34,300 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__lowWaterSensor [2020-11-29 18:46:34,309 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 64 nodes and edges [2020-11-29 18:46:34,310 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2020-11-29 18:46:34,310 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2020-11-29 18:46:34,311 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-11-29 18:46:34,312 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-29 18:46:34,312 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-29 18:46:34,313 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-29 18:46:34,340 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(pumpRunning == 0) || pumpRunning == \old(pumpRunning)) || 0 == systemActive [2020-11-29 18:46:34,342 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: pumpRunning == \old(pumpRunning) [2020-11-29 18:46:34,383 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_c30322e6-5cc5-4b59-a6d3-84536fca3d53/bin/ukojak/witness.graphml [2020-11-29 18:46:34,387 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 18:46:34,389 INFO L168 Benchmark]: Toolchain (without parser) took 17703.40 ms. Allocated memory was 90.2 MB in the beginning and 295.7 MB in the end (delta: 205.5 MB). Free memory was 60.9 MB in the beginning and 206.7 MB in the end (delta: -145.8 MB). Peak memory consumption was 60.8 MB. Max. memory is 16.1 GB. [2020-11-29 18:46:34,392 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 90.2 MB. Free memory was 47.8 MB in the beginning and 47.8 MB in the end (delta: 2.0 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 18:46:34,393 INFO L168 Benchmark]: CACSL2BoogieTranslator took 520.88 ms. Allocated memory was 90.2 MB in the beginning and 109.1 MB in the end (delta: 18.9 MB). Free memory was 60.9 MB in the beginning and 75.6 MB in the end (delta: -14.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-29 18:46:34,393 INFO L168 Benchmark]: Boogie Procedure Inliner took 87.04 ms. Allocated memory is still 109.1 MB. Free memory was 75.6 MB in the beginning and 73.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 18:46:34,394 INFO L168 Benchmark]: Boogie Preprocessor took 46.19 ms. Allocated memory is still 109.1 MB. Free memory was 73.0 MB in the beginning and 71.4 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 18:46:34,394 INFO L168 Benchmark]: RCFGBuilder took 1686.15 ms. Allocated memory is still 109.1 MB. Free memory was 71.4 MB in the beginning and 83.3 MB in the end (delta: -11.9 MB). Peak memory consumption was 39.3 MB. Max. memory is 16.1 GB. [2020-11-29 18:46:34,395 INFO L168 Benchmark]: CodeCheck took 15254.71 ms. Allocated memory was 109.1 MB in the beginning and 295.7 MB in the end (delta: 186.6 MB). Free memory was 83.3 MB in the beginning and 211.9 MB in the end (delta: -128.6 MB). Peak memory consumption was 175.2 MB. Max. memory is 16.1 GB. [2020-11-29 18:46:34,395 INFO L168 Benchmark]: Witness Printer took 99.12 ms. Allocated memory is still 295.7 MB. Free memory was 211.9 MB in the beginning and 206.7 MB in the end (delta: 5.2 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-11-29 18:46:34,398 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, 60 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 14.7s, OverallIterations: 35, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: -982839036 SDtfs, 1971925020 SDslu, -797066564 SDs, 0 SdLazy, -890047572 SolverSat, 1586608500 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 34.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 16023 GetRequests, 15794 SyntacticMatches, 13 SemanticMatches, 216 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18826 ImplicationChecksByTransitivity, 9.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 1534 NumberOfCodeBlocks, 1534 NumberOfCodeBlocksAsserted, 34 NumberOfCheckSat, 1500 ConstructedInterpolants, 0 QuantifiedInterpolants, 142826 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 34 InterpolantComputations, 25 PerfectInterpolantSequences, 458/484 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: 718]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 757]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 719]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 802]: Loop Invariant Derived loop invariant: !(pumpRunning == 0) || methaneLevelCritical == tmp - InvariantResult [Line: 630]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 562]: Loop Invariant Derived loop invariant: pumpRunning == \old(pumpRunning) - InvariantResult [Line: 410]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 802]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 420]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 529]: Loop Invariant Derived loop invariant: (!(pumpRunning == 0) || pumpRunning == \old(pumpRunning)) || 0 == systemActive - InvariantResult [Line: 537]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 500]: Loop Invariant Derived loop invariant: ((tmp == 1 && methaneLevelCritical == 0) && pumpRunning == 0) && tmp == systemActive - InvariantResult [Line: 500]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 90.2 MB. Free memory was 47.8 MB in the beginning and 47.8 MB in the end (delta: 2.0 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 520.88 ms. Allocated memory was 90.2 MB in the beginning and 109.1 MB in the end (delta: 18.9 MB). Free memory was 60.9 MB in the beginning and 75.6 MB in the end (delta: -14.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 87.04 ms. Allocated memory is still 109.1 MB. Free memory was 75.6 MB in the beginning and 73.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 46.19 ms. Allocated memory is still 109.1 MB. Free memory was 73.0 MB in the beginning and 71.4 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1686.15 ms. Allocated memory is still 109.1 MB. Free memory was 71.4 MB in the beginning and 83.3 MB in the end (delta: -11.9 MB). Peak memory consumption was 39.3 MB. Max. memory is 16.1 GB. * CodeCheck took 15254.71 ms. Allocated memory was 109.1 MB in the beginning and 295.7 MB in the end (delta: 186.6 MB). Free memory was 83.3 MB in the beginning and 211.9 MB in the end (delta: -128.6 MB). Peak memory consumption was 175.2 MB. Max. memory is 16.1 GB. * Witness Printer took 99.12 ms. Allocated memory is still 295.7 MB. Free memory was 211.9 MB in the beginning and 206.7 MB in the end (delta: 5.2 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...