./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product20.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 69874e26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_86ea2ae6-7d38-4f80-afd0-25c152b4503e/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_86ea2ae6-7d38-4f80-afd0-25c152b4503e/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_86ea2ae6-7d38-4f80-afd0-25c152b4503e/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_86ea2ae6-7d38-4f80-afd0-25c152b4503e/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product20.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_86ea2ae6-7d38-4f80-afd0-25c152b4503e/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_86ea2ae6-7d38-4f80-afd0-25c152b4503e/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 3df8d35662b819e3a4d212ebbe7a52d191ed1c2f .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-69874e2 [2020-12-01 16:29:49,974 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 16:29:49,978 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 16:29:50,043 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 16:29:50,044 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 16:29:50,050 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 16:29:50,053 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 16:29:50,061 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 16:29:50,064 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 16:29:50,085 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 16:29:50,087 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 16:29:50,089 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 16:29:50,089 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 16:29:50,092 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 16:29:50,094 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 16:29:50,096 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 16:29:50,097 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 16:29:50,100 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 16:29:50,104 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 16:29:50,110 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 16:29:50,113 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 16:29:50,114 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 16:29:50,117 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 16:29:50,118 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 16:29:50,123 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 16:29:50,124 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 16:29:50,124 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 16:29:50,127 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 16:29:50,128 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 16:29:50,129 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 16:29:50,129 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 16:29:50,130 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 16:29:50,132 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 16:29:50,134 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 16:29:50,136 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 16:29:50,136 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 16:29:50,137 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 16:29:50,137 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 16:29:50,137 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 16:29:50,138 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 16:29:50,139 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 16:29:50,141 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_86ea2ae6-7d38-4f80-afd0-25c152b4503e/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-12-01 16:29:50,183 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 16:29:50,184 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 16:29:50,185 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-01 16:29:50,185 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-12-01 16:29:50,186 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 16:29:50,186 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 16:29:50,187 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 16:29:50,187 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 16:29:50,187 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 16:29:50,187 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 16:29:50,189 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 16:29:50,189 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 16:29:50,189 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 16:29:50,189 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 16:29:50,190 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 16:29:50,190 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 16:29:50,190 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 16:29:50,190 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 16:29:50,190 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-12-01 16:29:50,191 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-12-01 16:29:50,191 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 16:29:50,191 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 16:29:50,191 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 16:29:50,192 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 16:29:50,192 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 16:29:50,192 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 16:29:50,192 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-12-01 16:29:50,193 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-01 16:29:50,193 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 16:29:50,194 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_86ea2ae6-7d38-4f80-afd0-25c152b4503e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_86ea2ae6-7d38-4f80-afd0-25c152b4503e/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3df8d35662b819e3a4d212ebbe7a52d191ed1c2f [2020-12-01 16:29:50,472 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 16:29:50,506 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 16:29:50,510 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 16:29:50,512 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 16:29:50,515 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 16:29:50,516 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_86ea2ae6-7d38-4f80-afd0-25c152b4503e/bin/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec2_product20.cil.c [2020-12-01 16:29:50,610 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_86ea2ae6-7d38-4f80-afd0-25c152b4503e/bin/ukojak/data/b9431908b/38d90b8aab2c421885cb247a95bf0132/FLAG347719615 [2020-12-01 16:29:51,254 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 16:29:51,254 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_86ea2ae6-7d38-4f80-afd0-25c152b4503e/sv-benchmarks/c/product-lines/minepump_spec2_product20.cil.c [2020-12-01 16:29:51,271 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_86ea2ae6-7d38-4f80-afd0-25c152b4503e/bin/ukojak/data/b9431908b/38d90b8aab2c421885cb247a95bf0132/FLAG347719615 [2020-12-01 16:29:51,536 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_86ea2ae6-7d38-4f80-afd0-25c152b4503e/bin/ukojak/data/b9431908b/38d90b8aab2c421885cb247a95bf0132 [2020-12-01 16:29:51,539 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 16:29:51,541 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 16:29:51,543 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 16:29:51,543 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 16:29:51,546 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 16:29:51,547 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 04:29:51" (1/1) ... [2020-12-01 16:29:51,549 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69c10c7e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:29:51, skipping insertion in model container [2020-12-01 16:29:51,550 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 04:29:51" (1/1) ... [2020-12-01 16:29:51,558 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 16:29:51,603 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 16:29:51,945 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 16:29:51,957 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 16:29:52,073 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 16:29:52,132 INFO L208 MainTranslator]: Completed translation [2020-12-01 16:29:52,133 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:29:52 WrapperNode [2020-12-01 16:29:52,133 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 16:29:52,134 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 16:29:52,134 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 16:29:52,135 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 16:29:52,144 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:29:52" (1/1) ... [2020-12-01 16:29:52,171 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:29:52" (1/1) ... [2020-12-01 16:29:52,209 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 16:29:52,210 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 16:29:52,211 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 16:29:52,223 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 16:29:52,245 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:29:52" (1/1) ... [2020-12-01 16:29:52,246 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:29:52" (1/1) ... [2020-12-01 16:29:52,252 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:29:52" (1/1) ... [2020-12-01 16:29:52,252 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:29:52" (1/1) ... [2020-12-01 16:29:52,270 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:29:52" (1/1) ... [2020-12-01 16:29:52,290 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:29:52" (1/1) ... [2020-12-01 16:29:52,293 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:29:52" (1/1) ... [2020-12-01 16:29:52,297 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 16:29:52,298 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 16:29:52,298 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 16:29:52,298 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 16:29:52,306 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:29:52" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_86ea2ae6-7d38-4f80-afd0-25c152b4503e/bin/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 16:29:52,380 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 16:29:52,380 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-12-01 16:29:52,380 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-12-01 16:29:52,381 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-12-01 16:29:52,381 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-12-01 16:29:52,381 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-12-01 16:29:52,381 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-12-01 16:29:52,381 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-12-01 16:29:52,382 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-12-01 16:29:52,382 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-12-01 16:29:52,382 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-12-01 16:29:52,382 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-12-01 16:29:52,382 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-12-01 16:29:52,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-01 16:29:52,383 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-12-01 16:29:52,383 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-12-01 16:29:52,383 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 16:29:52,383 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 16:29:53,719 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 16:29:53,719 INFO L298 CfgBuilder]: Removed 40 assume(true) statements. [2020-12-01 16:29:53,721 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:29:53 BoogieIcfgContainer [2020-12-01 16:29:53,722 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 16:29:53,723 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-12-01 16:29:53,723 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-12-01 16:29:53,734 INFO L275 PluginConnector]: CodeCheck initialized [2020-12-01 16:29:53,735 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:29:53" (1/1) ... [2020-12-01 16:29:53,766 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 16:29:53,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:29:53,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 55 states and 74 transitions. [2020-12-01 16:29:53,820 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 74 transitions. [2020-12-01 16:29:53,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-01 16:29:53,825 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:29:54,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:29:54,213 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:29:54,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:29:54,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 55 states and 72 transitions. [2020-12-01 16:29:54,241 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 72 transitions. [2020-12-01 16:29:54,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-12-01 16:29:54,246 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:29:54,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:29:54,487 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:29:54,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:29:54,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 57 states and 75 transitions. [2020-12-01 16:29:54,538 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 75 transitions. [2020-12-01 16:29:54,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-12-01 16:29:54,540 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:29:54,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:29:54,652 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:29:54,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:29:54,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 60 states and 81 transitions. [2020-12-01 16:29:54,813 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 81 transitions. [2020-12-01 16:29:54,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-12-01 16:29:54,814 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:29:54,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:29:55,060 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:29:55,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:29:55,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 76 states and 114 transitions. [2020-12-01 16:29:55,706 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 114 transitions. [2020-12-01 16:29:55,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-12-01 16:29:55,709 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:29:55,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:29:55,871 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:29:56,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:29:56,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 84 states and 129 transitions. [2020-12-01 16:29:56,346 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 129 transitions. [2020-12-01 16:29:56,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-12-01 16:29:56,348 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:29:56,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:29:56,490 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:29:57,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:29:57,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 95 states and 153 transitions. [2020-12-01 16:29:57,316 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 153 transitions. [2020-12-01 16:29:57,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-12-01 16:29:57,327 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:29:57,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:29:57,399 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:29:57,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:29:57,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 96 states and 154 transitions. [2020-12-01 16:29:57,416 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 154 transitions. [2020-12-01 16:29:57,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-12-01 16:29:57,423 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:29:57,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:29:57,492 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:29:57,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:29:57,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 97 states and 155 transitions. [2020-12-01 16:29:57,519 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 155 transitions. [2020-12-01 16:29:57,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-12-01 16:29:57,524 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:29:57,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:29:57,591 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:29:57,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:29:57,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 98 states and 156 transitions. [2020-12-01 16:29:57,616 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 156 transitions. [2020-12-01 16:29:57,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-12-01 16:29:57,618 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:29:57,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:29:57,688 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:29:58,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:29:58,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 105 states and 174 transitions. [2020-12-01 16:29:58,091 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 174 transitions. [2020-12-01 16:29:58,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-12-01 16:29:58,092 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:29:58,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:29:58,139 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:29:58,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:29:58,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 106 states and 175 transitions. [2020-12-01 16:29:58,147 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 175 transitions. [2020-12-01 16:29:58,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-12-01 16:29:58,149 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:29:58,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:29:58,192 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:29:58,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:29:58,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 111 states and 186 transitions. [2020-12-01 16:29:58,301 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 186 transitions. [2020-12-01 16:29:58,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-12-01 16:29:58,302 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:29:58,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:29:58,437 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:30:00,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:30:00,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 130 states and 229 transitions. [2020-12-01 16:30:00,262 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 229 transitions. [2020-12-01 16:30:00,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-12-01 16:30:00,264 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:30:00,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:30:00,307 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:30:00,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:30:00,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 131 states and 232 transitions. [2020-12-01 16:30:00,561 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 232 transitions. [2020-12-01 16:30:00,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-12-01 16:30:00,563 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:30:00,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:30:00,643 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:30:00,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:30:00,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 133 states and 235 transitions. [2020-12-01 16:30:00,782 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 235 transitions. [2020-12-01 16:30:00,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-12-01 16:30:00,785 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:30:00,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:30:00,838 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:30:00,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:30:00,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 134 states and 236 transitions. [2020-12-01 16:30:00,848 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 236 transitions. [2020-12-01 16:30:00,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-12-01 16:30:00,850 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:30:00,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:30:00,889 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:30:00,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:30:00,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 135 states and 237 transitions. [2020-12-01 16:30:00,899 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 237 transitions. [2020-12-01 16:30:00,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-12-01 16:30:00,901 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:30:00,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:30:00,947 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:30:00,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:30:00,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 136 states and 238 transitions. [2020-12-01 16:30:00,969 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 238 transitions. [2020-12-01 16:30:00,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-12-01 16:30:00,971 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:30:00,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:30:01,008 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:30:01,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:30:01,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 139 states and 244 transitions. [2020-12-01 16:30:01,395 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 244 transitions. [2020-12-01 16:30:01,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-12-01 16:30:01,397 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:30:01,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:30:01,437 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:30:01,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:30:01,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 140 states and 245 transitions. [2020-12-01 16:30:01,457 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 245 transitions. [2020-12-01 16:30:01,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-12-01 16:30:01,458 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:30:01,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:30:01,489 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:30:01,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:30:01,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 141 states and 246 transitions. [2020-12-01 16:30:01,504 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 246 transitions. [2020-12-01 16:30:01,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-12-01 16:30:01,505 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:30:01,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:30:01,543 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:30:01,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:30:01,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 146 states and 259 transitions. [2020-12-01 16:30:01,798 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 259 transitions. [2020-12-01 16:30:01,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-12-01 16:30:01,800 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:30:01,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:30:01,855 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:30:01,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:30:01,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 147 states and 260 transitions. [2020-12-01 16:30:01,985 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 260 transitions. [2020-12-01 16:30:01,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-12-01 16:30:01,988 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:30:02,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:30:02,032 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-01 16:30:02,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:30:02,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 153 states and 275 transitions. [2020-12-01 16:30:02,398 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 275 transitions. [2020-12-01 16:30:02,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-12-01 16:30:02,401 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:30:02,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:30:02,462 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-01 16:30:02,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:30:02,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 157 states and 282 transitions. [2020-12-01 16:30:02,977 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 282 transitions. [2020-12-01 16:30:02,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-12-01 16:30:02,979 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:30:03,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:30:03,060 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-01 16:30:03,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:30:03,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 158 states and 283 transitions. [2020-12-01 16:30:03,087 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 283 transitions. [2020-12-01 16:30:03,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-12-01 16:30:03,089 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:30:03,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:30:03,529 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-01 16:30:04,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:30:04,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 161 states and 291 transitions. [2020-12-01 16:30:04,807 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 291 transitions. [2020-12-01 16:30:04,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-12-01 16:30:04,808 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:30:04,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:30:04,862 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-01 16:30:05,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:30:05,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 165 states and 301 transitions. [2020-12-01 16:30:05,246 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 301 transitions. [2020-12-01 16:30:05,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-12-01 16:30:05,247 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:30:05,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:30:05,284 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-01 16:30:05,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:30:05,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 166 states and 302 transitions. [2020-12-01 16:30:05,296 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 302 transitions. [2020-12-01 16:30:05,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-12-01 16:30:05,297 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:30:05,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:30:05,328 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-01 16:30:06,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:30:06,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 169 states and 308 transitions. [2020-12-01 16:30:06,012 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 308 transitions. [2020-12-01 16:30:06,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-12-01 16:30:06,013 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:30:06,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:30:06,056 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-01 16:30:06,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:30:06,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 170 states and 308 transitions. [2020-12-01 16:30:06,066 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 308 transitions. [2020-12-01 16:30:06,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-12-01 16:30:06,068 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:30:06,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:30:06,099 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 16:30:06,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:30:06,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 176 states and 320 transitions. [2020-12-01 16:30:06,910 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 320 transitions. [2020-12-01 16:30:06,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-12-01 16:30:06,912 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:30:06,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:30:07,084 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-01 16:30:09,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:30:09,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 182 states and 336 transitions. [2020-12-01 16:30:09,083 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 336 transitions. [2020-12-01 16:30:09,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-12-01 16:30:09,085 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:30:09,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:30:09,150 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-01 16:30:10,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:30:10,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 189 states and 346 transitions. [2020-12-01 16:30:10,346 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 346 transitions. [2020-12-01 16:30:10,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-12-01 16:30:10,348 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:30:10,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:30:10,383 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-01 16:30:10,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:30:10,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 191 states and 349 transitions. [2020-12-01 16:30:10,795 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 349 transitions. [2020-12-01 16:30:10,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-12-01 16:30:10,797 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:30:10,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:30:10,844 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-01 16:30:13,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:30:13,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 402 states to 203 states and 386 transitions. [2020-12-01 16:30:13,754 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 386 transitions. [2020-12-01 16:30:13,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-12-01 16:30:13,756 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:30:13,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:30:13,805 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-01 16:30:14,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:30:14,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 406 states to 205 states and 390 transitions. [2020-12-01 16:30:14,862 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 390 transitions. [2020-12-01 16:30:14,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-12-01 16:30:14,864 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:30:14,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:30:14,913 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 16:30:15,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:30:15,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 212 states and 410 transitions. [2020-12-01 16:30:15,386 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 410 transitions. [2020-12-01 16:30:15,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-12-01 16:30:15,389 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:30:15,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:30:15,459 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-01 16:30:15,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:30:15,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 436 states to 215 states and 415 transitions. [2020-12-01 16:30:15,944 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 415 transitions. [2020-12-01 16:30:15,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-12-01 16:30:15,946 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:30:15,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:30:15,986 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 16:30:16,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:30:16,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 216 states and 416 transitions. [2020-12-01 16:30:16,011 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 416 transitions. [2020-12-01 16:30:16,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-12-01 16:30:16,013 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:30:16,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:30:16,053 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-12-01 16:30:16,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:30:16,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 438 states to 217 states and 417 transitions. [2020-12-01 16:30:16,069 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 417 transitions. [2020-12-01 16:30:16,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-12-01 16:30:16,071 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:30:16,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:30:16,494 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 16:30:18,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:30:18,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 220 states and 425 transitions. [2020-12-01 16:30:18,407 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 425 transitions. [2020-12-01 16:30:18,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-12-01 16:30:18,409 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:30:18,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:30:18,497 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 16:30:18,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:30:18,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 455 states to 222 states and 425 transitions. [2020-12-01 16:30:18,958 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 425 transitions. [2020-12-01 16:30:18,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-12-01 16:30:18,960 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:30:18,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:30:19,012 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-01 16:30:19,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:30:19,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 223 states and 428 transitions. [2020-12-01 16:30:19,041 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 428 transitions. [2020-12-01 16:30:19,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-12-01 16:30:19,044 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:30:19,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:30:19,082 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-12-01 16:30:19,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:30:19,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 475 states to 231 states and 445 transitions. [2020-12-01 16:30:19,522 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 445 transitions. [2020-12-01 16:30:19,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-12-01 16:30:19,528 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:30:19,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:30:19,569 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 16:30:20,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:30:20,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 235 states and 452 transitions. [2020-12-01 16:30:20,056 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 452 transitions. [2020-12-01 16:30:20,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-12-01 16:30:20,057 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:30:20,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:30:20,095 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-12-01 16:30:20,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:30:20,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 483 states to 236 states and 453 transitions. [2020-12-01 16:30:20,110 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 453 transitions. [2020-12-01 16:30:20,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-12-01 16:30:20,112 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:30:20,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:30:20,158 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 16:30:20,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:30:20,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 492 states to 241 states and 462 transitions. [2020-12-01 16:30:20,594 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 462 transitions. [2020-12-01 16:30:20,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-12-01 16:30:20,597 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:30:20,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:30:20,648 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-01 16:30:20,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:30:20,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 493 states to 242 states and 463 transitions. [2020-12-01 16:30:20,676 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 463 transitions. [2020-12-01 16:30:20,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-12-01 16:30:20,678 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:30:20,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:30:20,728 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-01 16:30:20,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:30:20,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 494 states to 243 states and 464 transitions. [2020-12-01 16:30:20,755 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 464 transitions. [2020-12-01 16:30:20,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-12-01 16:30:20,760 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:30:20,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:30:20,801 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-12-01 16:30:21,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:30:21,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 505 states to 249 states and 475 transitions. [2020-12-01 16:30:21,274 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 475 transitions. [2020-12-01 16:30:21,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-12-01 16:30:21,276 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:30:21,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:30:21,316 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-12-01 16:30:21,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:30:21,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 506 states to 250 states and 476 transitions. [2020-12-01 16:30:21,338 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 476 transitions. [2020-12-01 16:30:21,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-12-01 16:30:21,340 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:30:21,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:30:21,375 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-12-01 16:30:21,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:30:21,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 509 states to 251 states and 479 transitions. [2020-12-01 16:30:21,856 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 479 transitions. [2020-12-01 16:30:21,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-12-01 16:30:21,859 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:30:21,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:30:21,902 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-12-01 16:30:22,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:30:22,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 512 states to 254 states and 482 transitions. [2020-12-01 16:30:22,231 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 482 transitions. [2020-12-01 16:30:22,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-12-01 16:30:22,233 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:30:22,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:30:22,277 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2020-12-01 16:30:22,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:30:22,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 519 states to 257 states and 489 transitions. [2020-12-01 16:30:22,309 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 489 transitions. [2020-12-01 16:30:22,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-12-01 16:30:22,311 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:30:22,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:30:22,356 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-12-01 16:30:22,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:30:22,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 520 states to 259 states and 490 transitions. [2020-12-01 16:30:22,961 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 490 transitions. [2020-12-01 16:30:22,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2020-12-01 16:30:22,964 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:30:22,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:30:23,009 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2020-12-01 16:30:23,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:30:23,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 521 states to 260 states and 491 transitions. [2020-12-01 16:30:23,032 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 491 transitions. [2020-12-01 16:30:23,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2020-12-01 16:30:23,035 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:30:23,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:30:23,093 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2020-12-01 16:30:23,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:30:23,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 522 states to 261 states and 492 transitions. [2020-12-01 16:30:23,122 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 492 transitions. [2020-12-01 16:30:23,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2020-12-01 16:30:23,124 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:30:23,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:30:23,171 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2020-12-01 16:30:23,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:30:23,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 523 states to 262 states and 493 transitions. [2020-12-01 16:30:23,212 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 493 transitions. [2020-12-01 16:30:23,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-12-01 16:30:23,214 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:30:23,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:30:23,258 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2020-12-01 16:30:23,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:30:23,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 524 states to 87 states and 116 transitions. [2020-12-01 16:30:23,286 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 116 transitions. [2020-12-01 16:30:23,287 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-01 16:30:23,287 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 61 iterations. [2020-12-01 16:30:23,297 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2020-12-01 16:30:23,639 WARN L197 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 24 DAG size of output: 18 [2020-12-01 16:30:23,853 INFO L569 CodeCheckObserver]: Invariant with dag size 11 [2020-12-01 16:30:23,874 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 16:30:23,874 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 16:30:23,874 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 16:30:23,875 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 16:30:23,875 INFO L569 CodeCheckObserver]: Invariant with dag size 18 [2020-12-01 16:30:23,880 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 16:30:23,881 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 16:30:23,881 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 16:30:23,881 INFO L569 CodeCheckObserver]: Invariant with dag size 7 [2020-12-01 16:30:23,882 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 16:30:23,883 INFO L569 CodeCheckObserver]: Invariant with dag size 14 [2020-12-01 16:30:23,885 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 16:30:23,886 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 04:30:23 ImpRootNode [2020-12-01 16:30:23,886 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-12-01 16:30:23,887 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 16:30:23,887 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 16:30:23,887 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 16:30:23,888 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:29:53" (3/4) ... [2020-12-01 16:30:23,901 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-01 16:30:23,908 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2020-12-01 16:30:23,908 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2020-12-01 16:30:23,908 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2020-12-01 16:30:23,909 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2020-12-01 16:30:23,909 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2020-12-01 16:30:23,909 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2020-12-01 16:30:23,910 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2020-12-01 16:30:23,932 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 60 nodes and edges [2020-12-01 16:30:23,933 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2020-12-01 16:30:23,934 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2020-12-01 16:30:23,935 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-12-01 16:30:23,936 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-12-01 16:30:23,937 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-01 16:30:23,937 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-01 16:30:23,975 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(pumpRunning == 0) && !(0 == systemActive)) || (!(methAndRunningLastTime == 0) && !(methaneLevelCritical == 0))) || pumpRunning == \old(pumpRunning) [2020-12-01 16:30:23,976 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(methAndRunningLastTime == 0) && !(methaneLevelCritical == 0)) || !(pumpRunning == 0)) || pumpRunning == \old(pumpRunning) [2020-12-01 16:30:24,043 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_86ea2ae6-7d38-4f80-afd0-25c152b4503e/bin/ukojak/witness.graphml [2020-12-01 16:30:24,044 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 16:30:24,045 INFO L168 Benchmark]: Toolchain (without parser) took 32503.70 ms. Allocated memory was 96.5 MB in the beginning and 509.6 MB in the end (delta: 413.1 MB). Free memory was 66.6 MB in the beginning and 434.9 MB in the end (delta: -368.4 MB). Peak memory consumption was 47.4 MB. Max. memory is 16.1 GB. [2020-12-01 16:30:24,046 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 73.4 MB. Free memory was 40.4 MB in the beginning and 40.4 MB in the end (delta: 40.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 16:30:24,046 INFO L168 Benchmark]: CACSL2BoogieTranslator took 590.56 ms. Allocated memory is still 96.5 MB. Free memory was 66.3 MB in the beginning and 45.5 MB in the end (delta: 20.8 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.1 GB. [2020-12-01 16:30:24,047 INFO L168 Benchmark]: Boogie Procedure Inliner took 75.46 ms. Allocated memory is still 96.5 MB. Free memory was 45.4 MB in the beginning and 43.1 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 16:30:24,048 INFO L168 Benchmark]: Boogie Preprocessor took 86.44 ms. Allocated memory is still 96.5 MB. Free memory was 43.0 MB in the beginning and 74.2 MB in the end (delta: -31.2 MB). Peak memory consumption was 6.8 MB. Max. memory is 16.1 GB. [2020-12-01 16:30:24,048 INFO L168 Benchmark]: RCFGBuilder took 1424.16 ms. Allocated memory is still 96.5 MB. Free memory was 74.0 MB in the beginning and 39.4 MB in the end (delta: 34.6 MB). Peak memory consumption was 37.7 MB. Max. memory is 16.1 GB. [2020-12-01 16:30:24,049 INFO L168 Benchmark]: CodeCheck took 30163.60 ms. Allocated memory was 96.5 MB in the beginning and 509.6 MB in the end (delta: 413.1 MB). Free memory was 39.4 MB in the beginning and 440.2 MB in the end (delta: -400.8 MB). Peak memory consumption was 223.3 MB. Max. memory is 16.1 GB. [2020-12-01 16:30:24,050 INFO L168 Benchmark]: Witness Printer took 156.94 ms. Allocated memory is still 509.6 MB. Free memory was 440.2 MB in the beginning and 434.9 MB in the end (delta: 5.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-12-01 16:30:24,053 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 8 procedures, 55 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 29.4s, OverallIterations: 61, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 318125076 SDtfs, 1298824796 SDslu, 1751514524 SDs, 0 SdLazy, -833324276 SolverSat, -283212956 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 71.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 26514 GetRequests, 26192 SyntacticMatches, 1 SemanticMatches, 321 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44744 ImplicationChecksByTransitivity, 22.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.2s SsaConstructionTime, 1.3s SatisfiabilityAnalysisTime, 2.9s InterpolantComputationTime, 2539 NumberOfCodeBlocks, 2539 NumberOfCodeBlocksAsserted, 60 NumberOfCheckSat, 2479 ConstructedInterpolants, 0 QuantifiedInterpolants, 222449 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 60 InterpolantComputations, 51 PerfectInterpolantSequences, 821/841 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: 303]: Loop Invariant Derived loop invariant: ((tmp == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && tmp == 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 303]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 703]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 771]: Loop Invariant Derived loop invariant: ((!(pumpRunning == 0) && !(0 == systemActive)) || (!(methAndRunningLastTime == 0) && !(methaneLevelCritical == 0))) || pumpRunning == \old(pumpRunning) - InvariantResult [Line: 219]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 779]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 62]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 62]: Loop Invariant Derived loop invariant: !(0 == tmp) || methaneLevelCritical == tmp - InvariantResult [Line: 704]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 804]: Loop Invariant Derived loop invariant: ((!(methAndRunningLastTime == 0) && !(methaneLevelCritical == 0)) || !(pumpRunning == 0)) || pumpRunning == \old(pumpRunning) - InvariantResult [Line: 229]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 73.4 MB. Free memory was 40.4 MB in the beginning and 40.4 MB in the end (delta: 40.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 590.56 ms. Allocated memory is still 96.5 MB. Free memory was 66.3 MB in the beginning and 45.5 MB in the end (delta: 20.8 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 75.46 ms. Allocated memory is still 96.5 MB. Free memory was 45.4 MB in the beginning and 43.1 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 86.44 ms. Allocated memory is still 96.5 MB. Free memory was 43.0 MB in the beginning and 74.2 MB in the end (delta: -31.2 MB). Peak memory consumption was 6.8 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1424.16 ms. Allocated memory is still 96.5 MB. Free memory was 74.0 MB in the beginning and 39.4 MB in the end (delta: 34.6 MB). Peak memory consumption was 37.7 MB. Max. memory is 16.1 GB. * CodeCheck took 30163.60 ms. Allocated memory was 96.5 MB in the beginning and 509.6 MB in the end (delta: 413.1 MB). Free memory was 39.4 MB in the beginning and 440.2 MB in the end (delta: -400.8 MB). Peak memory consumption was 223.3 MB. Max. memory is 16.1 GB. * Witness Printer took 156.94 ms. Allocated memory is still 509.6 MB. Free memory was 440.2 MB in the beginning and 434.9 MB in the end (delta: 5.3 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...