./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product20.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_a09a1970-2df6-4ef1-871d-11b5e756c425/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_a09a1970-2df6-4ef1-871d-11b5e756c425/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_a09a1970-2df6-4ef1-871d-11b5e756c425/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_a09a1970-2df6-4ef1-871d-11b5e756c425/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product20.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_a09a1970-2df6-4ef1-871d-11b5e756c425/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_a09a1970-2df6-4ef1-871d-11b5e756c425/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 f92aef55fa426b86704369eb7f8ab70f879f200b ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-30 01:10:45,138 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-30 01:10:45,141 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-30 01:10:45,198 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-30 01:10:45,199 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-30 01:10:45,204 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-30 01:10:45,207 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-30 01:10:45,211 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-30 01:10:45,214 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-30 01:10:45,220 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-30 01:10:45,221 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-30 01:10:45,223 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-30 01:10:45,223 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-30 01:10:45,227 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-30 01:10:45,229 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-30 01:10:45,231 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-30 01:10:45,232 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-30 01:10:45,236 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-30 01:10:45,240 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-30 01:10:45,250 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-30 01:10:45,252 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-30 01:10:45,253 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-30 01:10:45,255 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-30 01:10:45,256 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-30 01:10:45,260 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-30 01:10:45,260 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-30 01:10:45,260 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-30 01:10:45,262 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-30 01:10:45,263 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-30 01:10:45,264 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-30 01:10:45,264 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-30 01:10:45,265 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-30 01:10:45,271 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-30 01:10:45,272 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-30 01:10:45,273 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-30 01:10:45,274 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-30 01:10:45,274 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-30 01:10:45,275 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-30 01:10:45,275 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-30 01:10:45,276 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-30 01:10:45,277 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-30 01:10:45,279 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_a09a1970-2df6-4ef1-871d-11b5e756c425/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-11-30 01:10:45,316 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-30 01:10:45,317 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-30 01:10:45,318 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-30 01:10:45,318 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-11-30 01:10:45,319 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-30 01:10:45,319 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-30 01:10:45,320 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-30 01:10:45,320 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-30 01:10:45,320 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-30 01:10:45,320 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-30 01:10:45,321 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-30 01:10:45,322 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-30 01:10:45,322 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-30 01:10:45,322 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-30 01:10:45,322 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-30 01:10:45,323 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-30 01:10:45,323 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-30 01:10:45,323 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-30 01:10:45,323 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-30 01:10:45,324 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-30 01:10:45,324 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-30 01:10:45,324 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-30 01:10:45,324 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-30 01:10:45,325 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-30 01:10:45,325 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-30 01:10:45,325 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-30 01:10:45,325 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-11-30 01:10:45,325 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-30 01:10:45,326 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-30 01:10:45,327 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_a09a1970-2df6-4ef1-871d-11b5e756c425/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_a09a1970-2df6-4ef1-871d-11b5e756c425/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f92aef55fa426b86704369eb7f8ab70f879f200b [2020-11-30 01:10:45,605 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-30 01:10:45,634 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-30 01:10:45,636 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-30 01:10:45,637 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-30 01:10:45,639 INFO L275 PluginConnector]: CDTParser initialized [2020-11-30 01:10:45,640 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_a09a1970-2df6-4ef1-871d-11b5e756c425/bin/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec1_product20.cil.c [2020-11-30 01:10:45,724 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a09a1970-2df6-4ef1-871d-11b5e756c425/bin/ukojak/data/345452eb6/45bd0c1a165f4b36b5d63a4720b2634d/FLAG38420fece [2020-11-30 01:10:46,220 INFO L306 CDTParser]: Found 1 translation units. [2020-11-30 01:10:46,221 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_a09a1970-2df6-4ef1-871d-11b5e756c425/sv-benchmarks/c/product-lines/minepump_spec1_product20.cil.c [2020-11-30 01:10:46,239 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a09a1970-2df6-4ef1-871d-11b5e756c425/bin/ukojak/data/345452eb6/45bd0c1a165f4b36b5d63a4720b2634d/FLAG38420fece [2020-11-30 01:10:46,537 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_a09a1970-2df6-4ef1-871d-11b5e756c425/bin/ukojak/data/345452eb6/45bd0c1a165f4b36b5d63a4720b2634d [2020-11-30 01:10:46,539 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-30 01:10:46,541 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-30 01:10:46,542 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-30 01:10:46,542 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-30 01:10:46,545 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-30 01:10:46,546 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 01:10:46" (1/1) ... [2020-11-30 01:10:46,548 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1cfa8484 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:10:46, skipping insertion in model container [2020-11-30 01:10:46,548 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 01:10:46" (1/1) ... [2020-11-30 01:10:46,555 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-30 01:10:46,593 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 01:10:46,901 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 01:10:46,910 INFO L203 MainTranslator]: Completed pre-run [2020-11-30 01:10:46,979 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 01:10:47,011 INFO L208 MainTranslator]: Completed translation [2020-11-30 01:10:47,012 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:10:47 WrapperNode [2020-11-30 01:10:47,012 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-30 01:10:47,013 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-30 01:10:47,014 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-30 01:10:47,014 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-30 01:10:47,023 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:10:47" (1/1) ... [2020-11-30 01:10:47,055 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:10:47" (1/1) ... [2020-11-30 01:10:47,098 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-30 01:10:47,099 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-30 01:10:47,099 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-30 01:10:47,099 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-30 01:10:47,110 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:10:47" (1/1) ... [2020-11-30 01:10:47,111 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:10:47" (1/1) ... [2020-11-30 01:10:47,125 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:10:47" (1/1) ... [2020-11-30 01:10:47,125 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:10:47" (1/1) ... [2020-11-30 01:10:47,132 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:10:47" (1/1) ... [2020-11-30 01:10:47,147 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:10:47" (1/1) ... [2020-11-30 01:10:47,154 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:10:47" (1/1) ... [2020-11-30 01:10:47,165 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-30 01:10:47,166 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-30 01:10:47,166 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-30 01:10:47,166 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-30 01:10:47,169 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:10:47" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a09a1970-2df6-4ef1-871d-11b5e756c425/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 [2020-11-30 01:10:47,251 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-30 01:10:47,251 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-11-30 01:10:47,252 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-11-30 01:10:47,252 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-11-30 01:10:47,252 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-11-30 01:10:47,253 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-11-30 01:10:47,253 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-11-30 01:10:47,253 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-11-30 01:10:47,253 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-11-30 01:10:47,254 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-11-30 01:10:47,254 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-11-30 01:10:47,254 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-11-30 01:10:47,255 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-11-30 01:10:47,255 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-30 01:10:47,255 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-11-30 01:10:47,255 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-11-30 01:10:47,255 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-30 01:10:47,255 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-30 01:10:48,401 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-30 01:10:48,401 INFO L298 CfgBuilder]: Removed 38 assume(true) statements. [2020-11-30 01:10:48,403 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:10:48 BoogieIcfgContainer [2020-11-30 01:10:48,403 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-30 01:10:48,404 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-11-30 01:10:48,404 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-11-30 01:10:48,419 INFO L275 PluginConnector]: CodeCheck initialized [2020-11-30 01:10:48,419 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:10:48" (1/1) ... [2020-11-30 01:10:48,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:10:48,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:10:48,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 54 states and 72 transitions. [2020-11-30 01:10:48,475 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 72 transitions. [2020-11-30 01:10:48,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-11-30 01:10:48,478 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:10:48,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:10:48,756 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:10:48,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:10:48,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 54 states and 70 transitions. [2020-11-30 01:10:48,776 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 70 transitions. [2020-11-30 01:10:48,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-11-30 01:10:48,778 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:10:48,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:10:48,921 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:10:48,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:10:48,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 56 states and 73 transitions. [2020-11-30 01:10:48,961 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 73 transitions. [2020-11-30 01:10:48,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-11-30 01:10:48,962 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:10:49,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:10:49,071 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:10:49,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:10:49,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 59 states and 81 transitions. [2020-11-30 01:10:49,103 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 81 transitions. [2020-11-30 01:10:49,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-11-30 01:10:49,104 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:10:49,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:10:49,163 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:10:49,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:10:49,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 67 states and 95 transitions. [2020-11-30 01:10:49,437 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 95 transitions. [2020-11-30 01:10:49,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-30 01:10:49,440 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:10:49,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:10:49,599 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:10:50,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:10:50,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 83 states and 129 transitions. [2020-11-30 01:10:50,181 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 129 transitions. [2020-11-30 01:10:50,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-30 01:10:50,183 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:10:50,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:10:50,252 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:10:50,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:10:50,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 84 states and 130 transitions. [2020-11-30 01:10:50,276 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 130 transitions. [2020-11-30 01:10:50,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-11-30 01:10:50,281 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:10:50,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:10:50,334 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:10:50,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:10:50,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 90 states and 143 transitions. [2020-11-30 01:10:50,489 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 143 transitions. [2020-11-30 01:10:50,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-30 01:10:50,491 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:10:50,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:10:50,527 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:10:50,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:10:50,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 91 states and 144 transitions. [2020-11-30 01:10:50,543 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 144 transitions. [2020-11-30 01:10:50,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-11-30 01:10:50,545 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:10:50,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:10:50,608 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:10:51,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:10:51,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 102 states and 169 transitions. [2020-11-30 01:10:51,238 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 169 transitions. [2020-11-30 01:10:51,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-11-30 01:10:51,240 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:10:51,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:10:51,349 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:10:52,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:10:52,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 114 states and 194 transitions. [2020-11-30 01:10:52,207 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 194 transitions. [2020-11-30 01:10:52,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-11-30 01:10:52,209 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:10:52,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:10:52,240 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:10:52,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:10:52,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 115 states and 195 transitions. [2020-11-30 01:10:52,247 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 195 transitions. [2020-11-30 01:10:52,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-11-30 01:10:52,249 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:10:52,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:10:52,279 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:10:52,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:10:52,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 116 states and 198 transitions. [2020-11-30 01:10:52,297 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 198 transitions. [2020-11-30 01:10:52,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-11-30 01:10:52,298 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:10:52,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:10:52,329 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:10:52,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:10:52,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 118 states and 200 transitions. [2020-11-30 01:10:52,343 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 200 transitions. [2020-11-30 01:10:52,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-11-30 01:10:52,344 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:10:52,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:10:52,384 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:10:52,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:10:52,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 124 states and 211 transitions. [2020-11-30 01:10:52,567 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 211 transitions. [2020-11-30 01:10:52,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-11-30 01:10:52,568 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:10:52,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:10:52,612 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:10:52,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:10:52,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 125 states and 212 transitions. [2020-11-30 01:10:52,639 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 212 transitions. [2020-11-30 01:10:52,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-11-30 01:10:52,641 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:10:52,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:10:52,761 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:10:52,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:10:52,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 128 states and 219 transitions. [2020-11-30 01:10:52,984 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 219 transitions. [2020-11-30 01:10:52,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-11-30 01:10:52,985 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:10:53,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:10:53,021 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-30 01:10:53,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:10:53,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 134 states and 232 transitions. [2020-11-30 01:10:53,135 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 232 transitions. [2020-11-30 01:10:53,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-11-30 01:10:53,136 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:10:53,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:10:53,188 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-30 01:10:53,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:10:53,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 135 states and 233 transitions. [2020-11-30 01:10:53,200 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 233 transitions. [2020-11-30 01:10:53,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-11-30 01:10:53,202 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:10:53,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:10:53,253 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-30 01:10:53,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:10:53,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 138 states and 239 transitions. [2020-11-30 01:10:53,730 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 239 transitions. [2020-11-30 01:10:53,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-11-30 01:10:53,731 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:10:53,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:10:54,056 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-11-30 01:10:54,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:10:54,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 141 states and 245 transitions. [2020-11-30 01:10:54,755 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 245 transitions. [2020-11-30 01:10:54,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-11-30 01:10:54,756 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:10:54,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:10:54,786 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-30 01:10:55,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:10:55,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 142 states and 248 transitions. [2020-11-30 01:10:55,014 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 248 transitions. [2020-11-30 01:10:55,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-11-30 01:10:55,015 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:10:55,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:10:55,303 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-11-30 01:10:56,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:10:56,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 149 states and 260 transitions. [2020-11-30 01:10:56,519 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 260 transitions. [2020-11-30 01:10:56,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-11-30 01:10:56,520 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:10:56,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:10:56,548 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-30 01:10:57,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:10:57,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 156 states and 275 transitions. [2020-11-30 01:10:57,194 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 275 transitions. [2020-11-30 01:10:57,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-11-30 01:10:57,195 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:10:57,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:10:57,235 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-30 01:10:57,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:10:57,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 157 states and 277 transitions. [2020-11-30 01:10:57,272 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 277 transitions. [2020-11-30 01:10:57,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-11-30 01:10:57,275 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:10:57,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:10:57,314 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-11-30 01:10:57,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:10:57,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 165 states and 289 transitions. [2020-11-30 01:10:57,625 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 289 transitions. [2020-11-30 01:10:57,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-11-30 01:10:57,627 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:10:57,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:10:57,802 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-11-30 01:10:59,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:10:59,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 182 states and 322 transitions. [2020-11-30 01:10:59,688 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 322 transitions. [2020-11-30 01:10:59,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-11-30 01:10:59,690 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:10:59,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:10:59,718 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-11-30 01:11:00,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:11:00,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 190 states and 342 transitions. [2020-11-30 01:11:00,242 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 342 transitions. [2020-11-30 01:11:00,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-11-30 01:11:00,244 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:11:00,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:11:00,289 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-11-30 01:11:00,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:11:00,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 191 states and 343 transitions. [2020-11-30 01:11:00,332 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 343 transitions. [2020-11-30 01:11:00,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-11-30 01:11:00,336 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:11:00,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:11:00,372 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-11-30 01:11:00,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:11:00,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 193 states and 345 transitions. [2020-11-30 01:11:00,518 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 345 transitions. [2020-11-30 01:11:00,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-11-30 01:11:00,520 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:11:00,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:11:00,548 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-11-30 01:11:01,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:11:01,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 201 states and 364 transitions. [2020-11-30 01:11:01,880 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 364 transitions. [2020-11-30 01:11:01,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-11-30 01:11:01,881 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:11:01,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:11:01,920 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-11-30 01:11:03,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:11:03,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 213 states and 392 transitions. [2020-11-30 01:11:03,998 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 392 transitions. [2020-11-30 01:11:04,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-11-30 01:11:04,000 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:11:04,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:11:04,025 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-30 01:11:05,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:11:05,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 221 states and 409 transitions. [2020-11-30 01:11:05,948 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 409 transitions. [2020-11-30 01:11:05,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-11-30 01:11:05,950 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:11:05,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:11:05,978 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-11-30 01:11:05,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:11:05,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 222 states and 410 transitions. [2020-11-30 01:11:05,990 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 410 transitions. [2020-11-30 01:11:05,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-11-30 01:11:05,992 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:11:06,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:11:06,025 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-11-30 01:11:06,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:11:06,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 424 states to 223 states and 411 transitions. [2020-11-30 01:11:06,055 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 411 transitions. [2020-11-30 01:11:06,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-11-30 01:11:06,057 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:11:06,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:11:06,086 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-11-30 01:11:06,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:11:06,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 225 states and 413 transitions. [2020-11-30 01:11:06,301 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 413 transitions. [2020-11-30 01:11:06,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-11-30 01:11:06,303 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:11:06,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:11:06,355 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-11-30 01:11:06,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:11:06,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 226 states and 414 transitions. [2020-11-30 01:11:06,377 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 414 transitions. [2020-11-30 01:11:06,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-11-30 01:11:06,379 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:11:06,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:11:06,409 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-11-30 01:11:06,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:11:06,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 227 states and 417 transitions. [2020-11-30 01:11:06,871 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 417 transitions. [2020-11-30 01:11:06,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-11-30 01:11:06,873 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:11:06,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:11:06,902 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-11-30 01:11:06,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:11:06,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 228 states and 418 transitions. [2020-11-30 01:11:06,949 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 418 transitions. [2020-11-30 01:11:06,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-11-30 01:11:06,951 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:11:06,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:11:06,986 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-11-30 01:11:07,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:11:07,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 233 states and 426 transitions. [2020-11-30 01:11:07,296 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 426 transitions. [2020-11-30 01:11:07,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-11-30 01:11:07,298 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:11:07,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:11:07,329 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-11-30 01:11:08,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:11:08,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 236 states and 425 transitions. [2020-11-30 01:11:08,128 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 425 transitions. [2020-11-30 01:11:08,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-11-30 01:11:08,130 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:11:08,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:11:08,159 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-11-30 01:11:08,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:11:08,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 452 states to 242 states and 434 transitions. [2020-11-30 01:11:08,365 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 434 transitions. [2020-11-30 01:11:08,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-11-30 01:11:08,366 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:11:08,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:11:08,400 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-11-30 01:11:08,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:11:08,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 453 states to 243 states and 435 transitions. [2020-11-30 01:11:08,468 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 435 transitions. [2020-11-30 01:11:08,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-11-30 01:11:08,471 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:11:08,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:11:08,505 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-11-30 01:11:08,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:11:08,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 456 states to 244 states and 438 transitions. [2020-11-30 01:11:08,822 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 438 transitions. [2020-11-30 01:11:08,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-11-30 01:11:08,824 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:11:08,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:11:08,864 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-11-30 01:11:08,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:11:08,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 245 states and 439 transitions. [2020-11-30 01:11:08,895 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 439 transitions. [2020-11-30 01:11:08,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-11-30 01:11:08,897 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:11:08,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:11:08,934 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-11-30 01:11:08,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:11:09,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 462 states to 248 states and 444 transitions. [2020-11-30 01:11:09,001 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 444 transitions. [2020-11-30 01:11:09,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-11-30 01:11:09,003 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:11:09,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:11:09,040 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2020-11-30 01:11:09,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:11:09,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 466 states to 251 states and 448 transitions. [2020-11-30 01:11:09,219 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 448 transitions. [2020-11-30 01:11:09,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2020-11-30 01:11:09,221 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:11:09,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:11:09,251 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2020-11-30 01:11:09,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:11:09,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 469 states to 254 states and 451 transitions. [2020-11-30 01:11:09,283 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 451 transitions. [2020-11-30 01:11:09,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2020-11-30 01:11:09,285 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:11:09,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:11:09,315 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2020-11-30 01:11:09,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:11:09,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 470 states to 255 states and 452 transitions. [2020-11-30 01:11:09,347 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 452 transitions. [2020-11-30 01:11:09,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-11-30 01:11:09,349 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:11:09,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:11:09,380 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2020-11-30 01:11:09,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:11:09,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 471 states to 256 states and 453 transitions. [2020-11-30 01:11:09,403 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 453 transitions. [2020-11-30 01:11:09,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2020-11-30 01:11:09,405 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:11:09,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:11:09,439 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2020-11-30 01:11:09,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:11:09,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 475 states to 90 states and 120 transitions. [2020-11-30 01:11:09,468 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 120 transitions. [2020-11-30 01:11:09,469 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-30 01:11:09,469 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 51 iterations. [2020-11-30 01:11:09,475 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2020-11-30 01:11:09,930 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-30 01:11:09,949 INFO L569 CodeCheckObserver]: Invariant with dag size 7 [2020-11-30 01:11:09,953 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-30 01:11:09,953 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-30 01:11:09,953 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-30 01:11:09,953 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-30 01:11:09,953 INFO L569 CodeCheckObserver]: Invariant with dag size 19 [2020-11-30 01:11:09,955 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-30 01:11:09,955 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-30 01:11:09,955 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-30 01:11:09,955 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-30 01:11:09,956 INFO L569 CodeCheckObserver]: Invariant with dag size 9 [2020-11-30 01:11:09,956 INFO L569 CodeCheckObserver]: Invariant with dag size 14 [2020-11-30 01:11:09,957 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 30.11 01:11:09 ImpRootNode [2020-11-30 01:11:09,958 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-11-30 01:11:09,958 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-30 01:11:09,958 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-30 01:11:09,959 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-30 01:11:09,959 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:10:48" (3/4) ... [2020-11-30 01:11:09,962 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-30 01:11:09,966 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2020-11-30 01:11:09,966 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2020-11-30 01:11:09,966 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2020-11-30 01:11:09,967 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2020-11-30 01:11:09,967 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2020-11-30 01:11:09,967 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2020-11-30 01:11:09,967 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2020-11-30 01:11:09,975 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 59 nodes and edges [2020-11-30 01:11:09,976 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2020-11-30 01:11:09,976 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2020-11-30 01:11:09,977 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-11-30 01:11:09,977 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-30 01:11:09,981 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-30 01:11:09,982 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-30 01:11:10,004 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(pumpRunning == 0) && 1 == systemActive) || pumpRunning == \old(pumpRunning)) || (!(pumpRunning == 0) && !(methaneLevelCritical == 0))) || ((methaneLevelCritical == 0 && !(0 == systemActive)) && !(1 == systemActive)) [2020-11-30 01:11:10,005 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == \old(pumpRunning) && !(0 == systemActive)) || !(pumpRunning == 0)) || (methaneLevelCritical == 0 && !(0 == systemActive)) [2020-11-30 01:11:10,047 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_a09a1970-2df6-4ef1-871d-11b5e756c425/bin/ukojak/witness.graphml [2020-11-30 01:11:10,047 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-30 01:11:10,049 INFO L168 Benchmark]: Toolchain (without parser) took 23507.45 ms. Allocated memory was 94.4 MB in the beginning and 423.6 MB in the end (delta: 329.3 MB). Free memory was 52.5 MB in the beginning and 381.6 MB in the end (delta: -329.1 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 01:11:10,049 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 94.4 MB. Free memory was 69.9 MB in the beginning and 69.8 MB in the end (delta: 66.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 01:11:10,049 INFO L168 Benchmark]: CACSL2BoogieTranslator took 470.51 ms. Allocated memory is still 94.4 MB. Free memory was 52.3 MB in the beginning and 55.3 MB in the end (delta: -3.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-30 01:11:10,050 INFO L168 Benchmark]: Boogie Procedure Inliner took 84.60 ms. Allocated memory is still 94.4 MB. Free memory was 55.3 MB in the beginning and 52.7 MB in the end (delta: 2.6 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 01:11:10,050 INFO L168 Benchmark]: Boogie Preprocessor took 66.37 ms. Allocated memory is still 94.4 MB. Free memory was 52.7 MB in the beginning and 50.9 MB in the end (delta: 1.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-30 01:11:10,051 INFO L168 Benchmark]: RCFGBuilder took 1237.42 ms. Allocated memory was 94.4 MB in the beginning and 113.2 MB in the end (delta: 18.9 MB). Free memory was 50.9 MB in the beginning and 45.6 MB in the end (delta: 5.3 MB). Peak memory consumption was 30.8 MB. Max. memory is 16.1 GB. [2020-11-30 01:11:10,051 INFO L168 Benchmark]: CodeCheck took 21553.89 ms. Allocated memory was 113.2 MB in the beginning and 423.6 MB in the end (delta: 310.4 MB). Free memory was 45.6 MB in the beginning and 386.8 MB in the end (delta: -341.3 MB). Peak memory consumption was 163.7 MB. Max. memory is 16.1 GB. [2020-11-30 01:11:10,051 INFO L168 Benchmark]: Witness Printer took 89.11 ms. Allocated memory is still 423.6 MB. Free memory was 386.8 MB in the beginning and 381.6 MB in the end (delta: 5.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-30 01:11:10,054 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 8 procedures, 54 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 21.0s, OverallIterations: 51, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: -828025592 SDtfs, 852570952 SDslu, 201730068 SDs, 0 SdLazy, -795155836 SolverSat, 941611728 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 56.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 21181 GetRequests, 20876 SyntacticMatches, 23 SemanticMatches, 282 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35971 ImplicationChecksByTransitivity, 15.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 2114 NumberOfCodeBlocks, 2114 NumberOfCodeBlocksAsserted, 50 NumberOfCheckSat, 2064 ConstructedInterpolants, 0 QuantifiedInterpolants, 181721 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 50 InterpolantComputations, 40 PerfectInterpolantSequences, 737/775 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: 53]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 908]: Loop Invariant Derived loop invariant: tmp == methaneLevelCritical || !(tmp == 0) - InvariantResult [Line: 908]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 63]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 240]: Loop Invariant Derived loop invariant: (((!(pumpRunning == 0) && 1 == systemActive) || pumpRunning == \old(pumpRunning)) || (!(pumpRunning == 0) && !(methaneLevelCritical == 0))) || ((methaneLevelCritical == 0 && !(0 == systemActive)) && !(1 == systemActive)) - InvariantResult [Line: 166]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 248]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 167]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 141]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 141]: Loop Invariant Derived loop invariant: (1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 273]: Loop Invariant Derived loop invariant: ((pumpRunning == \old(pumpRunning) && !(0 == systemActive)) || !(pumpRunning == 0)) || (methaneLevelCritical == 0 && !(0 == systemActive)) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 94.4 MB. Free memory was 69.9 MB in the beginning and 69.8 MB in the end (delta: 66.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 470.51 ms. Allocated memory is still 94.4 MB. Free memory was 52.3 MB in the beginning and 55.3 MB in the end (delta: -3.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 84.60 ms. Allocated memory is still 94.4 MB. Free memory was 55.3 MB in the beginning and 52.7 MB in the end (delta: 2.6 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 66.37 ms. Allocated memory is still 94.4 MB. Free memory was 52.7 MB in the beginning and 50.9 MB in the end (delta: 1.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1237.42 ms. Allocated memory was 94.4 MB in the beginning and 113.2 MB in the end (delta: 18.9 MB). Free memory was 50.9 MB in the beginning and 45.6 MB in the end (delta: 5.3 MB). Peak memory consumption was 30.8 MB. Max. memory is 16.1 GB. * CodeCheck took 21553.89 ms. Allocated memory was 113.2 MB in the beginning and 423.6 MB in the end (delta: 310.4 MB). Free memory was 45.6 MB in the beginning and 386.8 MB in the end (delta: -341.3 MB). Peak memory consumption was 163.7 MB. Max. memory is 16.1 GB. * Witness Printer took 89.11 ms. Allocated memory is still 423.6 MB. Free memory was 386.8 MB in the beginning and 381.6 MB in the end (delta: 5.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...