./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product18.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_add18d60-7075-4311-9a5a-a2f879bbbd7a/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_add18d60-7075-4311-9a5a-a2f879bbbd7a/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_add18d60-7075-4311-9a5a-a2f879bbbd7a/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_add18d60-7075-4311-9a5a-a2f879bbbd7a/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product18.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_add18d60-7075-4311-9a5a-a2f879bbbd7a/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_add18d60-7075-4311-9a5a-a2f879bbbd7a/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 19038d4a2c37771efda8321d3e888c138b34ccd1 .............................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-28 04:44:06,022 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 04:44:06,045 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 04:44:06,091 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 04:44:06,092 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 04:44:06,096 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 04:44:06,099 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 04:44:06,106 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 04:44:06,109 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 04:44:06,116 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 04:44:06,117 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 04:44:06,119 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 04:44:06,120 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 04:44:06,124 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 04:44:06,126 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 04:44:06,128 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 04:44:06,129 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 04:44:06,134 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 04:44:06,137 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 04:44:06,144 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 04:44:06,146 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 04:44:06,148 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 04:44:06,150 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 04:44:06,151 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 04:44:06,159 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 04:44:06,160 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 04:44:06,160 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 04:44:06,162 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 04:44:06,162 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 04:44:06,164 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 04:44:06,164 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 04:44:06,165 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 04:44:06,167 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 04:44:06,168 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 04:44:06,169 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 04:44:06,169 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 04:44:06,170 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 04:44:06,170 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 04:44:06,170 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 04:44:06,171 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 04:44:06,172 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 04:44:06,174 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_add18d60-7075-4311-9a5a-a2f879bbbd7a/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-11-28 04:44:06,213 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 04:44:06,214 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 04:44:06,215 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-28 04:44:06,215 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-11-28 04:44:06,216 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 04:44:06,216 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 04:44:06,217 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 04:44:06,217 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 04:44:06,217 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 04:44:06,217 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 04:44:06,218 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 04:44:06,219 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 04:44:06,219 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 04:44:06,219 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 04:44:06,219 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 04:44:06,219 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 04:44:06,220 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 04:44:06,220 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 04:44:06,220 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-28 04:44:06,220 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-28 04:44:06,221 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 04:44:06,221 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 04:44:06,221 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-28 04:44:06,221 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 04:44:06,221 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 04:44:06,222 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 04:44:06,222 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-11-28 04:44:06,222 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 04:44:06,222 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 04:44:06,224 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_add18d60-7075-4311-9a5a-a2f879bbbd7a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_add18d60-7075-4311-9a5a-a2f879bbbd7a/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 19038d4a2c37771efda8321d3e888c138b34ccd1 [2020-11-28 04:44:06,485 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 04:44:06,531 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 04:44:06,536 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 04:44:06,537 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 04:44:06,538 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 04:44:06,539 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_add18d60-7075-4311-9a5a-a2f879bbbd7a/bin/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec2_product18.cil.c [2020-11-28 04:44:06,634 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_add18d60-7075-4311-9a5a-a2f879bbbd7a/bin/ukojak/data/4909000b2/c466dd3ab44643cfa1e59d8fe9e92013/FLAG17d3f0ce5 [2020-11-28 04:44:07,134 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 04:44:07,135 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_add18d60-7075-4311-9a5a-a2f879bbbd7a/sv-benchmarks/c/product-lines/minepump_spec2_product18.cil.c [2020-11-28 04:44:07,148 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_add18d60-7075-4311-9a5a-a2f879bbbd7a/bin/ukojak/data/4909000b2/c466dd3ab44643cfa1e59d8fe9e92013/FLAG17d3f0ce5 [2020-11-28 04:44:07,454 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_add18d60-7075-4311-9a5a-a2f879bbbd7a/bin/ukojak/data/4909000b2/c466dd3ab44643cfa1e59d8fe9e92013 [2020-11-28 04:44:07,456 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 04:44:07,458 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 04:44:07,459 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 04:44:07,459 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 04:44:07,462 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 04:44:07,463 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:44:07" (1/1) ... [2020-11-28 04:44:07,469 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59aff389 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:07, skipping insertion in model container [2020-11-28 04:44:07,469 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:44:07" (1/1) ... [2020-11-28 04:44:07,477 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 04:44:07,561 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 04:44:07,926 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 04:44:07,938 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 04:44:08,014 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 04:44:08,045 INFO L208 MainTranslator]: Completed translation [2020-11-28 04:44:08,045 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:08 WrapperNode [2020-11-28 04:44:08,045 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 04:44:08,046 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 04:44:08,047 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 04:44:08,047 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 04:44:08,053 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:08" (1/1) ... [2020-11-28 04:44:08,070 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:08" (1/1) ... [2020-11-28 04:44:08,106 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 04:44:08,107 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 04:44:08,107 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 04:44:08,107 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 04:44:08,115 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:08" (1/1) ... [2020-11-28 04:44:08,126 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:08" (1/1) ... [2020-11-28 04:44:08,130 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:08" (1/1) ... [2020-11-28 04:44:08,131 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:08" (1/1) ... [2020-11-28 04:44:08,142 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:08" (1/1) ... [2020-11-28 04:44:08,165 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:08" (1/1) ... [2020-11-28 04:44:08,167 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:08" (1/1) ... [2020-11-28 04:44:08,186 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 04:44:08,187 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 04:44:08,187 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 04:44:08,188 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 04:44:08,190 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:08" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_add18d60-7075-4311-9a5a-a2f879bbbd7a/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 [2020-11-28 04:44:08,284 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 04:44:08,284 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-11-28 04:44:08,284 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-11-28 04:44:08,285 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-11-28 04:44:08,285 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-11-28 04:44:08,286 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-11-28 04:44:08,287 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-11-28 04:44:08,287 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-11-28 04:44:08,287 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-11-28 04:44:08,288 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-11-28 04:44:08,289 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-11-28 04:44:08,289 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-28 04:44:08,289 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-11-28 04:44:08,289 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-11-28 04:44:08,289 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 04:44:08,289 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 04:44:09,640 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 04:44:09,640 INFO L298 CfgBuilder]: Removed 40 assume(true) statements. [2020-11-28 04:44:09,642 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:44:09 BoogieIcfgContainer [2020-11-28 04:44:09,642 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 04:44:09,643 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-11-28 04:44:09,643 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-11-28 04:44:09,654 INFO L275 PluginConnector]: CodeCheck initialized [2020-11-28 04:44:09,654 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:44:09" (1/1) ... [2020-11-28 04:44:09,668 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 04:44:09,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:09,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 47 states and 62 transitions. [2020-11-28 04:44:09,717 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 62 transitions. [2020-11-28 04:44:09,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-11-28 04:44:09,723 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:09,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:09,935 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:44:09,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:09,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 47 states and 60 transitions. [2020-11-28 04:44:09,949 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 60 transitions. [2020-11-28 04:44:09,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-11-28 04:44:09,951 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:10,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:10,069 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:44:10,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:10,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 49 states and 63 transitions. [2020-11-28 04:44:10,104 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 63 transitions. [2020-11-28 04:44:10,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-11-28 04:44:10,106 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:10,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:10,266 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:44:10,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:10,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 58 states and 80 transitions. [2020-11-28 04:44:10,510 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 80 transitions. [2020-11-28 04:44:10,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-11-28 04:44:10,511 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:10,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:10,624 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:44:11,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:11,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 68 states and 101 transitions. [2020-11-28 04:44:11,059 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 101 transitions. [2020-11-28 04:44:11,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-11-28 04:44:11,060 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:11,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:11,248 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:44:12,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:12,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 82 states and 136 transitions. [2020-11-28 04:44:12,055 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 136 transitions. [2020-11-28 04:44:12,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-11-28 04:44:12,057 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:12,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:12,147 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:44:12,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:12,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 92 states and 157 transitions. [2020-11-28 04:44:12,738 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 157 transitions. [2020-11-28 04:44:12,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-11-28 04:44:12,740 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:12,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:12,802 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:44:12,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:12,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 94 states and 159 transitions. [2020-11-28 04:44:12,946 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 159 transitions. [2020-11-28 04:44:12,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-28 04:44:12,948 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:12,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:12,986 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:44:13,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:13,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 102 states and 173 transitions. [2020-11-28 04:44:13,122 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 173 transitions. [2020-11-28 04:44:13,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-11-28 04:44:13,124 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:13,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:13,158 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:44:13,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:13,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 103 states and 174 transitions. [2020-11-28 04:44:13,248 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 174 transitions. [2020-11-28 04:44:13,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-11-28 04:44:13,250 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:13,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:13,287 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:44:13,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:13,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 104 states and 176 transitions. [2020-11-28 04:44:13,428 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 176 transitions. [2020-11-28 04:44:13,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-11-28 04:44:13,429 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:13,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:13,464 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:44:13,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:13,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 104 states and 175 transitions. [2020-11-28 04:44:13,477 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 175 transitions. [2020-11-28 04:44:13,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-11-28 04:44:13,479 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:13,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:13,530 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-28 04:44:13,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:13,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 109 states and 185 transitions. [2020-11-28 04:44:13,644 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 185 transitions. [2020-11-28 04:44:13,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-11-28 04:44:13,646 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:13,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:13,704 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-28 04:44:13,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:13,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 110 states and 186 transitions. [2020-11-28 04:44:13,720 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 186 transitions. [2020-11-28 04:44:13,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-11-28 04:44:13,722 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:13,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:13,999 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-11-28 04:44:14,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:14,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 113 states and 196 transitions. [2020-11-28 04:44:14,698 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 196 transitions. [2020-11-28 04:44:14,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-11-28 04:44:14,699 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:14,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:14,759 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-28 04:44:15,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:15,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 121 states and 211 transitions. [2020-11-28 04:44:15,406 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 211 transitions. [2020-11-28 04:44:15,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-11-28 04:44:15,408 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:15,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:15,440 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-28 04:44:15,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:15,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 124 states and 218 transitions. [2020-11-28 04:44:15,613 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 218 transitions. [2020-11-28 04:44:15,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-11-28 04:44:15,614 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:15,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:15,679 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-11-28 04:44:15,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:15,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 127 states and 222 transitions. [2020-11-28 04:44:15,988 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 222 transitions. [2020-11-28 04:44:15,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-11-28 04:44:15,989 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:16,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:16,089 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-11-28 04:44:17,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:17,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 133 states and 239 transitions. [2020-11-28 04:44:17,393 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 239 transitions. [2020-11-28 04:44:17,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-11-28 04:44:17,395 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:17,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:17,459 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-11-28 04:44:18,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:18,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 143 states and 257 transitions. [2020-11-28 04:44:18,699 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 257 transitions. [2020-11-28 04:44:18,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-11-28 04:44:18,703 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:18,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:18,830 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 25 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-11-28 04:44:19,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:19,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 150 states and 269 transitions. [2020-11-28 04:44:19,918 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 269 transitions. [2020-11-28 04:44:19,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-11-28 04:44:19,919 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:19,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:20,015 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2020-11-28 04:44:20,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:20,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 153 states and 274 transitions. [2020-11-28 04:44:20,043 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 274 transitions. [2020-11-28 04:44:20,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2020-11-28 04:44:20,045 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:20,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:20,086 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 25 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-11-28 04:44:20,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:20,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 154 states and 275 transitions. [2020-11-28 04:44:20,110 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 275 transitions. [2020-11-28 04:44:20,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2020-11-28 04:44:20,112 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:20,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:20,150 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2020-11-28 04:44:20,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:20,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 155 states and 276 transitions. [2020-11-28 04:44:20,179 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 276 transitions. [2020-11-28 04:44:20,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2020-11-28 04:44:20,181 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:20,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:20,219 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2020-11-28 04:44:20,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:20,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 55 states and 66 transitions. [2020-11-28 04:44:20,262 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 66 transitions. [2020-11-28 04:44:20,262 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-28 04:44:20,263 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 25 iterations. [2020-11-28 04:44:20,273 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2020-11-28 04:44:20,585 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:44:20,589 INFO L569 CodeCheckObserver]: Invariant with dag size 9 [2020-11-28 04:44:20,593 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:44:20,594 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:44:20,594 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:44:20,594 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:44:20,594 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:44:20,594 INFO L569 CodeCheckObserver]: Invariant with dag size 7 [2020-11-28 04:44:20,596 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:44:20,597 INFO L569 CodeCheckObserver]: Invariant with dag size 11 [2020-11-28 04:44:20,600 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:44:20,600 INFO L569 CodeCheckObserver]: Invariant with dag size 14 [2020-11-28 04:44:20,602 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:44:20,609 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 28.11 04:44:20 ImpRootNode [2020-11-28 04:44:20,609 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-11-28 04:44:20,609 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 04:44:20,609 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 04:44:20,610 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 04:44:20,610 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:44:09" (3/4) ... [2020-11-28 04:44:20,617 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-28 04:44:20,623 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2020-11-28 04:44:20,624 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2020-11-28 04:44:20,624 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2020-11-28 04:44:20,624 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2020-11-28 04:44:20,624 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2020-11-28 04:44:20,625 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2020-11-28 04:44:20,638 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 59 nodes and edges [2020-11-28 04:44:20,638 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 23 nodes and edges [2020-11-28 04:44:20,639 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2020-11-28 04:44:20,640 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-11-28 04:44:20,641 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-28 04:44:20,641 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 04:44:20,642 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 04:44:20,673 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(pumpRunning == 0) || pumpRunning == \old(pumpRunning)) || 0 == systemActive [2020-11-28 04:44:20,674 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((methaneLevelCritical == 0 && pumpRunning == \old(pumpRunning)) || (pumpRunning == \old(pumpRunning) && !(0 == systemActive))) || !(pumpRunning == 0) [2020-11-28 04:44:20,738 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_add18d60-7075-4311-9a5a-a2f879bbbd7a/bin/ukojak/witness.graphml [2020-11-28 04:44:20,738 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 04:44:20,741 INFO L168 Benchmark]: Toolchain (without parser) took 13281.95 ms. Allocated memory was 107.0 MB in the beginning and 237.0 MB in the end (delta: 130.0 MB). Free memory was 73.6 MB in the beginning and 184.9 MB in the end (delta: -111.4 MB). Peak memory consumption was 19.2 MB. Max. memory is 16.1 GB. [2020-11-28 04:44:20,741 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 86.0 MB. Free memory was 58.7 MB in the beginning and 58.6 MB in the end (delta: 26.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 04:44:20,742 INFO L168 Benchmark]: CACSL2BoogieTranslator took 586.57 ms. Allocated memory is still 107.0 MB. Free memory was 73.3 MB in the beginning and 75.1 MB in the end (delta: -1.8 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-11-28 04:44:20,743 INFO L168 Benchmark]: Boogie Procedure Inliner took 59.90 ms. Allocated memory is still 107.0 MB. Free memory was 75.1 MB in the beginning and 72.3 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 04:44:20,743 INFO L168 Benchmark]: Boogie Preprocessor took 79.65 ms. Allocated memory is still 107.0 MB. Free memory was 72.3 MB in the beginning and 70.3 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 04:44:20,744 INFO L168 Benchmark]: RCFGBuilder took 1455.12 ms. Allocated memory is still 107.0 MB. Free memory was 70.3 MB in the beginning and 45.9 MB in the end (delta: 24.4 MB). Peak memory consumption was 34.0 MB. Max. memory is 16.1 GB. [2020-11-28 04:44:20,746 INFO L168 Benchmark]: CodeCheck took 10965.79 ms. Allocated memory was 107.0 MB in the beginning and 237.0 MB in the end (delta: 130.0 MB). Free memory was 45.9 MB in the beginning and 190.2 MB in the end (delta: -144.3 MB). Peak memory consumption was 103.2 MB. Max. memory is 16.1 GB. [2020-11-28 04:44:20,746 INFO L168 Benchmark]: Witness Printer took 129.34 ms. Allocated memory is still 237.0 MB. Free memory was 190.2 MB in the beginning and 184.9 MB in the end (delta: 5.2 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-11-28 04:44:20,750 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 7 procedures, 47 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 10.5s, OverallIterations: 25, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 364068756 SDtfs, 139718756 SDslu, 257020772 SDs, 0 SdLazy, 302863380 SolverSat, 91145324 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 17.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 9038 GetRequests, 8853 SyntacticMatches, 3 SemanticMatches, 182 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13352 ImplicationChecksByTransitivity, 7.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 928 NumberOfCodeBlocks, 928 NumberOfCodeBlocksAsserted, 24 NumberOfCheckSat, 904 ConstructedInterpolants, 0 QuantifiedInterpolants, 76245 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 24 InterpolantComputations, 19 PerfectInterpolantSequences, 293/316 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: 225]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 59]: Loop Invariant Derived loop invariant: (!(pumpRunning == 0) || pumpRunning == \old(pumpRunning)) || 0 == systemActive - InvariantResult [Line: 294]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 226]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 264]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 67]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 284]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 893]: Loop Invariant Derived loop invariant: !(0 == tmp) || methaneLevelCritical == tmp - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 370]: Loop Invariant Derived loop invariant: ((tmp == 1 && methaneLevelCritical == 0) && pumpRunning == 0) && tmp == systemActive - InvariantResult [Line: 370]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 92]: Loop Invariant Derived loop invariant: ((methaneLevelCritical == 0 && pumpRunning == \old(pumpRunning)) || (pumpRunning == \old(pumpRunning) && !(0 == systemActive))) || !(pumpRunning == 0) - InvariantResult [Line: 893]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 86.0 MB. Free memory was 58.7 MB in the beginning and 58.6 MB in the end (delta: 26.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 586.57 ms. Allocated memory is still 107.0 MB. Free memory was 73.3 MB in the beginning and 75.1 MB in the end (delta: -1.8 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 59.90 ms. Allocated memory is still 107.0 MB. Free memory was 75.1 MB in the beginning and 72.3 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 79.65 ms. Allocated memory is still 107.0 MB. Free memory was 72.3 MB in the beginning and 70.3 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1455.12 ms. Allocated memory is still 107.0 MB. Free memory was 70.3 MB in the beginning and 45.9 MB in the end (delta: 24.4 MB). Peak memory consumption was 34.0 MB. Max. memory is 16.1 GB. * CodeCheck took 10965.79 ms. Allocated memory was 107.0 MB in the beginning and 237.0 MB in the end (delta: 130.0 MB). Free memory was 45.9 MB in the beginning and 190.2 MB in the end (delta: -144.3 MB). Peak memory consumption was 103.2 MB. Max. memory is 16.1 GB. * Witness Printer took 129.34 ms. Allocated memory is still 237.0 MB. Free memory was 190.2 MB in the beginning and 184.9 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...