./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product48.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_cbadffc2-4de9-4816-a965-bcb32b58773c/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_cbadffc2-4de9-4816-a965-bcb32b58773c/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_cbadffc2-4de9-4816-a965-bcb32b58773c/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_cbadffc2-4de9-4816-a965-bcb32b58773c/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product48.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_cbadffc2-4de9-4816-a965-bcb32b58773c/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_cbadffc2-4de9-4816-a965-bcb32b58773c/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 c21e70d9ea27340857124f83eb5ec77ba8828195 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 01:27:08,969 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-30 01:27:08,972 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-30 01:27:09,060 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-30 01:27:09,079 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-30 01:27:09,080 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-30 01:27:09,083 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-30 01:27:09,086 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-30 01:27:09,089 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-30 01:27:09,091 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-30 01:27:09,092 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-30 01:27:09,094 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-30 01:27:09,095 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-30 01:27:09,096 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-30 01:27:09,099 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-30 01:27:09,101 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-30 01:27:09,102 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-30 01:27:09,104 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-30 01:27:09,106 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-30 01:27:09,109 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-30 01:27:09,112 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-30 01:27:09,119 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-30 01:27:09,122 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-30 01:27:09,123 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-30 01:27:09,134 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-30 01:27:09,135 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-30 01:27:09,135 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-30 01:27:09,138 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-30 01:27:09,139 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-30 01:27:09,147 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-30 01:27:09,148 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-30 01:27:09,150 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-30 01:27:09,152 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-30 01:27:09,153 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-30 01:27:09,155 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-30 01:27:09,156 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-30 01:27:09,157 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-30 01:27:09,157 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-30 01:27:09,157 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-30 01:27:09,159 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-30 01:27:09,160 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-30 01:27:09,163 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_cbadffc2-4de9-4816-a965-bcb32b58773c/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-11-30 01:27:09,216 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-30 01:27:09,216 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-30 01:27:09,218 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-30 01:27:09,218 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-11-30 01:27:09,219 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-30 01:27:09,220 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-30 01:27:09,220 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-30 01:27:09,220 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-30 01:27:09,220 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-30 01:27:09,221 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-30 01:27:09,222 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-30 01:27:09,222 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-30 01:27:09,223 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-30 01:27:09,223 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-30 01:27:09,223 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-30 01:27:09,223 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-30 01:27:09,224 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-30 01:27:09,224 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-30 01:27:09,224 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-30 01:27:09,224 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-30 01:27:09,225 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-30 01:27:09,225 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-30 01:27:09,225 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-30 01:27:09,226 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-30 01:27:09,226 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-30 01:27:09,226 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-30 01:27:09,226 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-11-30 01:27:09,227 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-30 01:27:09,227 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-30 01:27:09,229 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_cbadffc2-4de9-4816-a965-bcb32b58773c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_cbadffc2-4de9-4816-a965-bcb32b58773c/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c21e70d9ea27340857124f83eb5ec77ba8828195 [2020-11-30 01:27:09,595 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-30 01:27:09,626 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-30 01:27:09,628 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-30 01:27:09,629 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-30 01:27:09,630 INFO L275 PluginConnector]: CDTParser initialized [2020-11-30 01:27:09,631 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_cbadffc2-4de9-4816-a965-bcb32b58773c/bin/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec1_product48.cil.c [2020-11-30 01:27:09,748 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_cbadffc2-4de9-4816-a965-bcb32b58773c/bin/ukojak/data/ca08be7d9/c2f4a810d7f645c48b26a246308d30a2/FLAGa010dd3d1 [2020-11-30 01:27:10,373 INFO L306 CDTParser]: Found 1 translation units. [2020-11-30 01:27:10,374 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_cbadffc2-4de9-4816-a965-bcb32b58773c/sv-benchmarks/c/product-lines/minepump_spec1_product48.cil.c [2020-11-30 01:27:10,395 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_cbadffc2-4de9-4816-a965-bcb32b58773c/bin/ukojak/data/ca08be7d9/c2f4a810d7f645c48b26a246308d30a2/FLAGa010dd3d1 [2020-11-30 01:27:10,684 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_cbadffc2-4de9-4816-a965-bcb32b58773c/bin/ukojak/data/ca08be7d9/c2f4a810d7f645c48b26a246308d30a2 [2020-11-30 01:27:10,687 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-30 01:27:10,691 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-30 01:27:10,695 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-30 01:27:10,696 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-30 01:27:10,700 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-30 01:27:10,701 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 01:27:10" (1/1) ... [2020-11-30 01:27:10,704 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50994a16 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:27:10, skipping insertion in model container [2020-11-30 01:27:10,704 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 01:27:10" (1/1) ... [2020-11-30 01:27:10,718 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-30 01:27:10,787 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 01:27:11,122 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 01:27:11,135 INFO L203 MainTranslator]: Completed pre-run [2020-11-30 01:27:11,226 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 01:27:11,271 INFO L208 MainTranslator]: Completed translation [2020-11-30 01:27:11,272 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:27:11 WrapperNode [2020-11-30 01:27:11,272 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-30 01:27:11,274 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-30 01:27:11,274 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-30 01:27:11,275 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-30 01:27:11,284 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:27:11" (1/1) ... [2020-11-30 01:27:11,317 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:27:11" (1/1) ... [2020-11-30 01:27:11,370 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-30 01:27:11,375 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-30 01:27:11,376 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-30 01:27:11,376 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-30 01:27:11,387 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:27:11" (1/1) ... [2020-11-30 01:27:11,387 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:27:11" (1/1) ... [2020-11-30 01:27:11,411 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:27:11" (1/1) ... [2020-11-30 01:27:11,411 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:27:11" (1/1) ... [2020-11-30 01:27:11,433 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:27:11" (1/1) ... [2020-11-30 01:27:11,440 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:27:11" (1/1) ... [2020-11-30 01:27:11,443 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:27:11" (1/1) ... [2020-11-30 01:27:11,460 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-30 01:27:11,461 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-30 01:27:11,462 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-30 01:27:11,462 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-30 01:27:11,463 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:27:11" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cbadffc2-4de9-4816-a965-bcb32b58773c/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 01:27:11,553 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-30 01:27:11,553 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-11-30 01:27:11,554 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-11-30 01:27:11,554 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-11-30 01:27:11,555 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-11-30 01:27:11,555 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-11-30 01:27:11,556 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-11-30 01:27:11,556 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-11-30 01:27:11,556 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-11-30 01:27:11,557 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-11-30 01:27:11,558 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-11-30 01:27:11,558 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-11-30 01:27:11,558 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-11-30 01:27:11,558 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-11-30 01:27:11,558 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-11-30 01:27:11,558 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-11-30 01:27:11,559 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-11-30 01:27:11,559 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-30 01:27:11,559 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-11-30 01:27:11,559 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-11-30 01:27:11,560 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-30 01:27:11,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-30 01:27:13,407 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-30 01:27:13,407 INFO L298 CfgBuilder]: Removed 42 assume(true) statements. [2020-11-30 01:27:13,410 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:27:13 BoogieIcfgContainer [2020-11-30 01:27:13,410 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-30 01:27:13,411 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-11-30 01:27:13,411 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-11-30 01:27:13,424 INFO L275 PluginConnector]: CodeCheck initialized [2020-11-30 01:27:13,425 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:27:13" (1/1) ... [2020-11-30 01:27:13,437 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:27:13,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:27:13,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 69 states and 92 transitions. [2020-11-30 01:27:13,491 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 92 transitions. [2020-11-30 01:27:13,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-11-30 01:27:13,497 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:27:13,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:27:13,759 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 01:27:13,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:27:13,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 69 states and 90 transitions. [2020-11-30 01:27:13,784 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 90 transitions. [2020-11-30 01:27:13,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-11-30 01:27:13,788 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:27:13,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:27:13,978 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 01:27:14,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:27:14,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 71 states and 93 transitions. [2020-11-30 01:27:14,019 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 93 transitions. [2020-11-30 01:27:14,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-11-30 01:27:14,023 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:27:14,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:27:14,203 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 01:27:14,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:27:14,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 74 states and 101 transitions. [2020-11-30 01:27:14,251 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 101 transitions. [2020-11-30 01:27:14,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-11-30 01:27:14,253 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:27:14,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:27:14,376 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 01:27:14,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:27:14,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 82 states and 115 transitions. [2020-11-30 01:27:14,645 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 115 transitions. [2020-11-30 01:27:14,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-30 01:27:14,647 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:27:14,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:27:14,779 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 01:27:14,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:27:14,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 83 states and 116 transitions. [2020-11-30 01:27:14,810 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 116 transitions. [2020-11-30 01:27:14,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-30 01:27:14,815 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:27:14,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:27:14,913 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 01:27:14,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:27:14,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 84 states and 117 transitions. [2020-11-30 01:27:14,947 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 117 transitions. [2020-11-30 01:27:14,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-11-30 01:27:14,949 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:27:14,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:27:15,095 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 01:27:15,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:27:15,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 101 states and 154 transitions. [2020-11-30 01:27:15,765 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 154 transitions. [2020-11-30 01:27:15,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-11-30 01:27:15,768 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:27:15,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:27:15,854 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 01:27:15,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:27:15,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 102 states and 155 transitions. [2020-11-30 01:27:15,874 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 155 transitions. [2020-11-30 01:27:15,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-11-30 01:27:15,883 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:27:15,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:27:16,055 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 01:27:17,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:27:17,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 121 states and 195 transitions. [2020-11-30 01:27:17,864 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 195 transitions. [2020-11-30 01:27:17,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-11-30 01:27:17,866 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:27:17,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:27:18,044 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 01:27:18,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:27:18,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 129 states and 216 transitions. [2020-11-30 01:27:18,351 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 216 transitions. [2020-11-30 01:27:18,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-11-30 01:27:18,354 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:27:18,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:27:18,427 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 01:27:18,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:27:18,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 131 states and 218 transitions. [2020-11-30 01:27:18,686 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 218 transitions. [2020-11-30 01:27:18,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-11-30 01:27:18,693 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:27:18,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:27:18,824 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 01:27:19,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:27:19,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 134 states and 225 transitions. [2020-11-30 01:27:19,141 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 225 transitions. [2020-11-30 01:27:19,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-11-30 01:27:19,146 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:27:19,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:27:19,225 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 01:27:19,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:27:19,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 139 states and 234 transitions. [2020-11-30 01:27:19,321 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 234 transitions. [2020-11-30 01:27:19,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-11-30 01:27:19,325 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:27:19,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:27:19,391 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 01:27:19,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:27:19,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 140 states and 235 transitions. [2020-11-30 01:27:19,412 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 235 transitions. [2020-11-30 01:27:19,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-11-30 01:27:19,416 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:27:19,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:27:19,485 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 01:27:19,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:27:19,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 142 states and 239 transitions. [2020-11-30 01:27:19,802 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 239 transitions. [2020-11-30 01:27:19,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-11-30 01:27:19,804 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:27:19,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:27:20,376 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-30 01:27:22,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:27:22,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 155 states and 271 transitions. [2020-11-30 01:27:22,787 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 271 transitions. [2020-11-30 01:27:22,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-11-30 01:27:22,789 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:27:22,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:27:22,876 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-30 01:27:22,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:27:22,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 156 states and 272 transitions. [2020-11-30 01:27:22,947 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 272 transitions. [2020-11-30 01:27:22,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-11-30 01:27:22,951 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:27:22,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:27:23,817 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-11-30 01:27:26,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:27:26,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 162 states and 286 transitions. [2020-11-30 01:27:26,252 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 286 transitions. [2020-11-30 01:27:26,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-11-30 01:27:26,254 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:27:26,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:27:26,300 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-30 01:27:26,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:27:26,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 165 states and 293 transitions. [2020-11-30 01:27:26,623 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 293 transitions. [2020-11-30 01:27:26,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-11-30 01:27:26,626 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:27:26,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:27:26,661 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 01:27:27,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:27:27,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 174 states and 313 transitions. [2020-11-30 01:27:27,791 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 313 transitions. [2020-11-30 01:27:27,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-11-30 01:27:27,792 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:27:27,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:27:27,827 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 01:27:28,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:27:28,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 177 states and 319 transitions. [2020-11-30 01:27:28,030 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 319 transitions. [2020-11-30 01:27:28,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-11-30 01:27:28,032 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:27:28,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:27:28,516 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 01:27:29,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:27:29,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 180 states and 326 transitions. [2020-11-30 01:27:29,530 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 326 transitions. [2020-11-30 01:27:29,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-11-30 01:27:29,532 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:27:29,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:27:29,567 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 01:27:30,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:27:30,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 187 states and 342 transitions. [2020-11-30 01:27:30,560 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 342 transitions. [2020-11-30 01:27:30,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-11-30 01:27:30,563 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:27:30,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:27:30,600 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 01:27:31,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:27:31,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 191 states and 352 transitions. [2020-11-30 01:27:31,519 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 352 transitions. [2020-11-30 01:27:31,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-11-30 01:27:31,521 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:27:31,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:27:31,581 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 01:27:32,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:27:32,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 199 states and 365 transitions. [2020-11-30 01:27:32,024 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 365 transitions. [2020-11-30 01:27:32,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-11-30 01:27:32,026 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:27:32,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:27:32,060 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 01:27:32,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:27:32,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 200 states and 367 transitions. [2020-11-30 01:27:32,104 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 367 transitions. [2020-11-30 01:27:32,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-11-30 01:27:32,106 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:27:32,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:27:32,141 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 01:27:32,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:27:32,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 201 states and 369 transitions. [2020-11-30 01:27:32,184 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 369 transitions. [2020-11-30 01:27:32,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-11-30 01:27:32,187 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:27:32,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:27:32,223 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 01:27:32,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:27:32,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 202 states and 372 transitions. [2020-11-30 01:27:32,605 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 372 transitions. [2020-11-30 01:27:32,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-11-30 01:27:32,612 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:27:32,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:27:32,673 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 01:27:32,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:27:32,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 402 states to 203 states and 374 transitions. [2020-11-30 01:27:32,711 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 374 transitions. [2020-11-30 01:27:32,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-11-30 01:27:32,713 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:27:32,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:27:32,750 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 01:27:32,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:27:32,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 204 states and 375 transitions. [2020-11-30 01:27:32,774 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 375 transitions. [2020-11-30 01:27:32,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-11-30 01:27:32,776 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:27:32,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:27:32,814 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 01:27:35,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:27:35,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 453 states to 221 states and 418 transitions. [2020-11-30 01:27:35,775 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 418 transitions. [2020-11-30 01:27:35,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-11-30 01:27:35,777 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:27:35,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:27:35,818 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 01:27:36,221 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 12 [2020-11-30 01:27:38,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:27:38,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 233 states and 452 transitions. [2020-11-30 01:27:38,613 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 452 transitions. [2020-11-30 01:27:38,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-11-30 01:27:38,615 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:27:38,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:27:38,661 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 01:27:38,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:27:38,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 491 states to 234 states and 453 transitions. [2020-11-30 01:27:38,705 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 453 transitions. [2020-11-30 01:27:38,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-11-30 01:27:38,708 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:27:38,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:27:38,754 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 01:27:38,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:27:38,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 495 states to 237 states and 457 transitions. [2020-11-30 01:27:38,803 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 457 transitions. [2020-11-30 01:27:38,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-11-30 01:27:38,806 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:27:38,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:27:38,855 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 01:27:38,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:27:38,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 238 states and 458 transitions. [2020-11-30 01:27:38,911 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 458 transitions. [2020-11-30 01:27:38,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-11-30 01:27:38,914 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:27:38,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:27:38,950 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-11-30 01:27:39,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:27:39,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 512 states to 246 states and 474 transitions. [2020-11-30 01:27:39,950 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 474 transitions. [2020-11-30 01:27:39,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-11-30 01:27:39,953 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:27:39,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:27:39,994 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-11-30 01:27:41,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:27:41,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 524 states to 253 states and 483 transitions. [2020-11-30 01:27:41,585 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 483 transitions. [2020-11-30 01:27:41,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-11-30 01:27:41,588 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:27:41,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:27:41,626 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-11-30 01:27:42,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:27:42,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 529 states to 255 states and 487 transitions. [2020-11-30 01:27:42,488 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 487 transitions. [2020-11-30 01:27:42,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-11-30 01:27:42,491 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:27:42,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:27:42,559 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 01:27:42,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:27:42,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 538 states to 261 states and 496 transitions. [2020-11-30 01:27:42,866 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 496 transitions. [2020-11-30 01:27:42,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2020-11-30 01:27:42,869 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:27:42,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:27:42,918 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2020-11-30 01:27:42,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:27:42,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 539 states to 262 states and 497 transitions. [2020-11-30 01:27:42,955 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 497 transitions. [2020-11-30 01:27:42,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2020-11-30 01:27:42,959 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:27:42,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:27:43,018 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2020-11-30 01:27:44,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:27:44,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 544 states to 264 states and 499 transitions. [2020-11-30 01:27:44,005 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 499 transitions. [2020-11-30 01:27:44,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2020-11-30 01:27:44,008 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:27:44,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:27:45,058 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-11-30 01:27:48,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:27:48,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 577 states to 275 states and 526 transitions. [2020-11-30 01:27:48,788 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 526 transitions. [2020-11-30 01:27:48,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2020-11-30 01:27:48,791 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:27:48,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:27:48,844 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-11-30 01:27:48,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:27:48,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 578 states to 276 states and 527 transitions. [2020-11-30 01:27:48,912 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 527 transitions. [2020-11-30 01:27:48,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2020-11-30 01:27:48,916 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:27:48,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:27:49,439 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 11 proven. 1 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-11-30 01:27:49,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:27:49,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 587 states to 283 states and 536 transitions. [2020-11-30 01:27:49,997 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 536 transitions. [2020-11-30 01:27:50,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-11-30 01:27:50,034 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:27:50,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:27:50,080 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-11-30 01:27:50,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:27:50,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 588 states to 284 states and 537 transitions. [2020-11-30 01:27:50,130 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 537 transitions. [2020-11-30 01:27:50,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-11-30 01:27:50,133 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:27:50,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:27:50,173 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-11-30 01:27:50,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:27:50,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 587 states to 284 states and 534 transitions. [2020-11-30 01:27:50,817 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 534 transitions. [2020-11-30 01:27:50,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-11-30 01:27:50,820 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:27:50,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:27:50,872 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-11-30 01:27:50,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:27:50,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 581 states to 282 states and 528 transitions. [2020-11-30 01:27:50,956 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 528 transitions. [2020-11-30 01:27:50,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-11-30 01:27:50,959 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:27:50,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:27:50,997 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 01:27:51,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:27:51,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 584 states to 283 states and 531 transitions. [2020-11-30 01:27:51,347 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 531 transitions. [2020-11-30 01:27:51,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-11-30 01:27:51,349 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:27:51,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:27:51,392 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 01:27:51,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:27:51,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 589 states to 284 states and 536 transitions. [2020-11-30 01:27:51,974 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 536 transitions. [2020-11-30 01:27:51,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2020-11-30 01:27:51,977 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:27:51,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:27:52,059 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-11-30 01:27:52,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:27:52,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 594 states to 288 states and 541 transitions. [2020-11-30 01:27:52,336 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 541 transitions. [2020-11-30 01:27:52,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-11-30 01:27:52,339 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:27:52,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:27:52,376 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 01:27:52,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:27:52,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 598 states to 291 states and 545 transitions. [2020-11-30 01:27:52,748 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 545 transitions. [2020-11-30 01:27:52,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-11-30 01:27:52,751 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:27:52,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:27:52,789 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 01:27:52,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:27:52,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 602 states to 294 states and 549 transitions. [2020-11-30 01:27:52,820 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 549 transitions. [2020-11-30 01:27:52,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2020-11-30 01:27:52,823 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:27:52,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:27:52,863 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-11-30 01:27:54,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:27:54,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 622 states to 301 states and 566 transitions. [2020-11-30 01:27:54,514 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 566 transitions. [2020-11-30 01:27:54,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-11-30 01:27:54,516 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:27:54,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:27:54,554 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-11-30 01:27:55,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:27:55,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 625 states to 302 states and 569 transitions. [2020-11-30 01:27:55,605 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 569 transitions. [2020-11-30 01:27:55,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2020-11-30 01:27:55,607 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:27:55,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:27:56,395 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 16 proven. 15 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2020-11-30 01:28:01,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:28:01,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 676 states to 319 states and 609 transitions. [2020-11-30 01:28:01,561 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 609 transitions. [2020-11-30 01:28:01,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2020-11-30 01:28:01,563 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:28:01,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:28:01,601 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-11-30 01:28:02,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:28:02,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 684 states to 324 states and 617 transitions. [2020-11-30 01:28:02,209 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 617 transitions. [2020-11-30 01:28:02,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2020-11-30 01:28:02,212 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:28:02,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:28:02,249 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-11-30 01:28:05,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:28:05,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 709 states to 334 states and 639 transitions. [2020-11-30 01:28:05,286 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 639 transitions. [2020-11-30 01:28:05,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-11-30 01:28:05,289 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:28:05,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:28:05,328 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-11-30 01:28:05,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:28:05,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 712 states to 335 states and 642 transitions. [2020-11-30 01:28:05,366 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 642 transitions. [2020-11-30 01:28:05,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-11-30 01:28:05,369 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:28:05,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:28:05,470 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-11-30 01:28:06,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:28:06,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 718 states to 338 states and 648 transitions. [2020-11-30 01:28:06,522 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 648 transitions. [2020-11-30 01:28:06,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-11-30 01:28:06,524 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:28:06,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:28:06,563 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 01:28:06,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:28:06,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 719 states to 339 states and 649 transitions. [2020-11-30 01:28:06,612 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 649 transitions. [2020-11-30 01:28:06,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2020-11-30 01:28:06,614 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:28:06,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:28:06,659 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2020-11-30 01:28:06,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:28:06,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 719 states to 340 states and 649 transitions. [2020-11-30 01:28:06,691 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 649 transitions. [2020-11-30 01:28:06,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2020-11-30 01:28:06,694 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:28:06,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:28:06,739 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2020-11-30 01:28:07,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:28:07,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 726 states to 343 states and 656 transitions. [2020-11-30 01:28:07,006 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 656 transitions. [2020-11-30 01:28:07,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2020-11-30 01:28:07,008 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:28:07,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:28:07,054 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2020-11-30 01:28:07,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:28:07,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 728 states to 345 states and 658 transitions. [2020-11-30 01:28:07,107 INFO L276 IsEmpty]: Start isEmpty. Operand 345 states and 658 transitions. [2020-11-30 01:28:07,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2020-11-30 01:28:07,110 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:28:07,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:28:07,154 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2020-11-30 01:28:07,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:28:07,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 729 states to 346 states and 659 transitions. [2020-11-30 01:28:07,213 INFO L276 IsEmpty]: Start isEmpty. Operand 346 states and 659 transitions. [2020-11-30 01:28:07,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2020-11-30 01:28:07,215 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:28:07,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:28:07,258 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2020-11-30 01:28:07,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:28:07,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 730 states to 347 states and 660 transitions. [2020-11-30 01:28:07,307 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 660 transitions. [2020-11-30 01:28:07,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2020-11-30 01:28:07,310 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:28:07,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:28:07,355 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2020-11-30 01:28:07,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:28:07,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 731 states to 348 states and 661 transitions. [2020-11-30 01:28:07,390 INFO L276 IsEmpty]: Start isEmpty. Operand 348 states and 661 transitions. [2020-11-30 01:28:07,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2020-11-30 01:28:07,392 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:28:07,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:28:07,446 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2020-11-30 01:28:08,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:28:08,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 731 states to 348 states and 654 transitions. [2020-11-30 01:28:08,713 INFO L276 IsEmpty]: Start isEmpty. Operand 348 states and 654 transitions. [2020-11-30 01:28:08,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2020-11-30 01:28:08,715 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:28:08,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:28:08,757 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2020-11-30 01:28:09,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:28:09,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 746 states to 356 states and 669 transitions. [2020-11-30 01:28:09,559 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 669 transitions. [2020-11-30 01:28:09,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2020-11-30 01:28:09,561 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:28:09,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:28:09,602 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2020-11-30 01:28:09,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:28:09,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 747 states to 357 states and 670 transitions. [2020-11-30 01:28:09,640 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 670 transitions. [2020-11-30 01:28:09,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2020-11-30 01:28:09,642 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:28:09,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:28:09,688 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 18 proven. 10 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-11-30 01:28:09,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:28:09,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 749 states to 358 states and 672 transitions. [2020-11-30 01:28:09,751 INFO L276 IsEmpty]: Start isEmpty. Operand 358 states and 672 transitions. [2020-11-30 01:28:09,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2020-11-30 01:28:09,754 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:28:09,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:28:09,803 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2020-11-30 01:28:11,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:28:11,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 761 states to 364 states and 684 transitions. [2020-11-30 01:28:11,166 INFO L276 IsEmpty]: Start isEmpty. Operand 364 states and 684 transitions. [2020-11-30 01:28:11,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2020-11-30 01:28:11,169 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:28:11,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:28:11,214 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2020-11-30 01:28:11,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:28:11,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 763 states to 365 states and 686 transitions. [2020-11-30 01:28:11,279 INFO L276 IsEmpty]: Start isEmpty. Operand 365 states and 686 transitions. [2020-11-30 01:28:11,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2020-11-30 01:28:11,282 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:28:11,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:28:11,325 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2020-11-30 01:28:11,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:28:11,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 765 states to 366 states and 688 transitions. [2020-11-30 01:28:11,405 INFO L276 IsEmpty]: Start isEmpty. Operand 366 states and 688 transitions. [2020-11-30 01:28:11,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2020-11-30 01:28:11,407 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:28:11,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:28:11,465 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 64 proven. 8 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2020-11-30 01:28:13,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:28:13,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 761 states to 366 states and 684 transitions. [2020-11-30 01:28:13,444 INFO L276 IsEmpty]: Start isEmpty. Operand 366 states and 684 transitions. [2020-11-30 01:28:13,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2020-11-30 01:28:13,447 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:28:13,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:28:13,503 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 64 proven. 8 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2020-11-30 01:28:14,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:28:14,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 745 states to 204 states and 306 transitions. [2020-11-30 01:28:14,744 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 306 transitions. [2020-11-30 01:28:14,746 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-30 01:28:14,746 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 76 iterations. [2020-11-30 01:28:14,754 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2020-11-30 01:28:15,198 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 25 [2020-11-30 01:28:15,680 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 11 [2020-11-30 01:28:15,893 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-30 01:28:15,897 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-30 01:28:15,897 INFO L569 CodeCheckObserver]: Invariant with dag size 11 [2020-11-30 01:28:15,902 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-30 01:28:15,902 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-30 01:28:15,903 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-30 01:28:15,903 INFO L569 CodeCheckObserver]: Invariant with dag size 7 [2020-11-30 01:28:15,904 INFO L569 CodeCheckObserver]: Invariant with dag size 25 [2020-11-30 01:28:15,914 INFO L569 CodeCheckObserver]: Invariant with dag size 11 [2020-11-30 01:28:15,916 INFO L569 CodeCheckObserver]: Invariant with dag size 13 [2020-11-30 01:28:15,917 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-30 01:28:15,918 INFO L569 CodeCheckObserver]: Invariant with dag size 3 [2020-11-30 01:28:15,918 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-30 01:28:15,919 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-30 01:28:15,920 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 30.11 01:28:15 ImpRootNode [2020-11-30 01:28:15,920 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-11-30 01:28:15,921 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-30 01:28:15,921 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-30 01:28:15,921 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-30 01:28:15,922 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:27:13" (3/4) ... [2020-11-30 01:28:15,935 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-30 01:28:15,952 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2020-11-30 01:28:15,952 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2020-11-30 01:28:15,952 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2020-11-30 01:28:15,953 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2020-11-30 01:28:15,953 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2020-11-30 01:28:15,953 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2020-11-30 01:28:15,953 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2020-11-30 01:28:15,954 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2020-11-30 01:28:15,954 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2020-11-30 01:28:15,965 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 61 nodes and edges [2020-11-30 01:28:15,966 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 23 nodes and edges [2020-11-30 01:28:15,967 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2020-11-30 01:28:15,967 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-11-30 01:28:15,968 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-30 01:28:15,969 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-30 01:28:15,970 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-30 01:28:16,012 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\old(waterLevel) == waterLevel && pumpRunning == \old(pumpRunning)) || (!(0 == systemActive) && !(1 == systemActive))) || (!(methaneLevelCritical == 0) && pumpRunning == \old(pumpRunning))) || (!(pumpRunning == 0) && 1 == systemActive)) || (!(pumpRunning == 0) && !(methaneLevelCritical == 0))) || (pumpRunning == \old(pumpRunning) && 0 == systemActive) [2020-11-30 01:28:16,015 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: pumpRunning == \old(pumpRunning) [2020-11-30 01:28:16,017 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (methaneLevelCritical == 0 || pumpRunning == 0) || (pumpRunning == \old(pumpRunning) && 0 == systemActive) [2020-11-30 01:28:16,087 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_cbadffc2-4de9-4816-a965-bcb32b58773c/bin/ukojak/witness.graphml [2020-11-30 01:28:16,087 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-30 01:28:16,089 INFO L168 Benchmark]: Toolchain (without parser) took 65397.64 ms. Allocated memory was 94.4 MB in the beginning and 906.0 MB in the end (delta: 811.6 MB). Free memory was 65.4 MB in the beginning and 839.0 MB in the end (delta: -773.6 MB). Peak memory consumption was 38.9 MB. Max. memory is 16.1 GB. [2020-11-30 01:28:16,089 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 94.4 MB. Free memory is still 54.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 01:28:16,090 INFO L168 Benchmark]: CACSL2BoogieTranslator took 577.55 ms. Allocated memory is still 94.4 MB. Free memory was 65.3 MB in the beginning and 60.1 MB in the end (delta: 5.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-30 01:28:16,090 INFO L168 Benchmark]: Boogie Procedure Inliner took 98.42 ms. Allocated memory is still 94.4 MB. Free memory was 60.1 MB in the beginning and 57.5 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-30 01:28:16,091 INFO L168 Benchmark]: Boogie Preprocessor took 85.15 ms. Allocated memory is still 94.4 MB. Free memory was 57.5 MB in the beginning and 55.6 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-30 01:28:16,092 INFO L168 Benchmark]: RCFGBuilder took 1949.08 ms. Allocated memory was 94.4 MB in the beginning and 117.4 MB in the end (delta: 23.1 MB). Free memory was 55.6 MB in the beginning and 67.6 MB in the end (delta: -12.0 MB). Peak memory consumption was 25.8 MB. Max. memory is 16.1 GB. [2020-11-30 01:28:16,092 INFO L168 Benchmark]: CodeCheck took 62509.00 ms. Allocated memory was 117.4 MB in the beginning and 906.0 MB in the end (delta: 788.5 MB). Free memory was 67.6 MB in the beginning and 845.3 MB in the end (delta: -777.7 MB). Peak memory consumption was 441.6 MB. Max. memory is 16.1 GB. [2020-11-30 01:28:16,093 INFO L168 Benchmark]: Witness Printer took 166.72 ms. Allocated memory is still 906.0 MB. Free memory was 845.3 MB in the beginning and 839.0 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-11-30 01:28:16,096 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 10 procedures, 69 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 61.2s, OverallIterations: 76, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 632949592 SDtfs, -216756394 SDslu, -218735480 SDs, 0 SdLazy, -1611798552 SolverSat, 1258247742 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 165.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 47540 GetRequests, 46931 SyntacticMatches, 115 SemanticMatches, 494 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 116773 ImplicationChecksByTransitivity, 50.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.3s SsaConstructionTime, 1.3s SatisfiabilityAnalysisTime, 6.3s InterpolantComputationTime, 4178 NumberOfCodeBlocks, 4178 NumberOfCodeBlocksAsserted, 75 NumberOfCheckSat, 4103 ConstructedInterpolants, 0 QuantifiedInterpolants, 507359 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 75 InterpolantComputations, 62 PerfectInterpolantSequences, 1846/1922 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: 155]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 231]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 231]: Loop Invariant Derived loop invariant: ((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 879]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 621]: Loop Invariant Derived loop invariant: !(tmp == 0) || tmp == methaneLevelCritical - InvariantResult [Line: 649]: Loop Invariant Derived loop invariant: (((((\old(waterLevel) == waterLevel && pumpRunning == \old(pumpRunning)) || (!(0 == systemActive) && !(1 == systemActive))) || (!(methaneLevelCritical == 0) && pumpRunning == \old(pumpRunning))) || (!(pumpRunning == 0) && 1 == systemActive)) || (!(pumpRunning == 0) && !(methaneLevelCritical == 0))) || (pumpRunning == \old(pumpRunning) && 0 == systemActive) - InvariantResult [Line: 621]: Loop Invariant Derived loop invariant: (methaneLevelCritical == 0 || pumpRunning == 0) || (pumpRunning == \old(pumpRunning) && 0 == systemActive) - InvariantResult [Line: 880]: Loop Invariant Derived loop invariant: ((!(splverifierCounter == 0) || methaneLevelCritical == 0) || !(1 == systemActive)) || pumpRunning == 0 - InvariantResult [Line: 145]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 682]: Loop Invariant Derived loop invariant: pumpRunning == \old(pumpRunning) - InvariantResult [Line: 678]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 657]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 94.4 MB. Free memory is still 54.1 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 577.55 ms. Allocated memory is still 94.4 MB. Free memory was 65.3 MB in the beginning and 60.1 MB in the end (delta: 5.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 98.42 ms. Allocated memory is still 94.4 MB. Free memory was 60.1 MB in the beginning and 57.5 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 85.15 ms. Allocated memory is still 94.4 MB. Free memory was 57.5 MB in the beginning and 55.6 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1949.08 ms. Allocated memory was 94.4 MB in the beginning and 117.4 MB in the end (delta: 23.1 MB). Free memory was 55.6 MB in the beginning and 67.6 MB in the end (delta: -12.0 MB). Peak memory consumption was 25.8 MB. Max. memory is 16.1 GB. * CodeCheck took 62509.00 ms. Allocated memory was 117.4 MB in the beginning and 906.0 MB in the end (delta: 788.5 MB). Free memory was 67.6 MB in the beginning and 845.3 MB in the end (delta: -777.7 MB). Peak memory consumption was 441.6 MB. Max. memory is 16.1 GB. * Witness Printer took 166.72 ms. Allocated memory is still 906.0 MB. Free memory was 845.3 MB in the beginning and 839.0 MB in the end (delta: 6.3 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...