./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product23.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_018b03c0-6b7e-4fe9-959e-8ef3e2aa3fd6/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_018b03c0-6b7e-4fe9-959e-8ef3e2aa3fd6/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_018b03c0-6b7e-4fe9-959e-8ef3e2aa3fd6/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_018b03c0-6b7e-4fe9-959e-8ef3e2aa3fd6/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product23.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_018b03c0-6b7e-4fe9-959e-8ef3e2aa3fd6/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_018b03c0-6b7e-4fe9-959e-8ef3e2aa3fd6/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 6775cf40df2c7fe85c2d16019d10d145a8673615 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 00:39:26,840 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-30 00:39:26,844 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-30 00:39:26,884 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-30 00:39:26,884 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-30 00:39:26,886 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-30 00:39:26,888 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-30 00:39:26,891 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-30 00:39:26,893 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-30 00:39:26,895 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-30 00:39:26,896 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-30 00:39:26,898 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-30 00:39:26,898 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-30 00:39:26,900 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-30 00:39:26,901 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-30 00:39:26,903 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-30 00:39:26,904 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-30 00:39:26,906 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-30 00:39:26,908 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-30 00:39:26,911 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-30 00:39:26,913 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-30 00:39:26,920 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-30 00:39:26,922 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-30 00:39:26,924 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-30 00:39:26,931 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-30 00:39:26,936 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-30 00:39:26,937 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-30 00:39:26,938 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-30 00:39:26,940 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-30 00:39:26,942 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-30 00:39:26,942 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-30 00:39:26,944 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-30 00:39:26,946 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-30 00:39:26,948 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-30 00:39:26,949 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-30 00:39:26,949 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-30 00:39:26,951 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-30 00:39:26,951 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-30 00:39:26,952 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-30 00:39:26,953 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-30 00:39:26,954 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-30 00:39:26,958 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_018b03c0-6b7e-4fe9-959e-8ef3e2aa3fd6/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-11-30 00:39:27,010 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-30 00:39:27,010 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-30 00:39:27,011 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-30 00:39:27,011 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-11-30 00:39:27,012 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-30 00:39:27,012 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-30 00:39:27,013 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-30 00:39:27,013 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-30 00:39:27,013 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-30 00:39:27,013 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-30 00:39:27,014 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-30 00:39:27,014 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-30 00:39:27,014 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-30 00:39:27,014 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-30 00:39:27,014 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-30 00:39:27,015 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-30 00:39:27,015 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-30 00:39:27,015 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-30 00:39:27,015 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-30 00:39:27,015 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-30 00:39:27,016 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-30 00:39:27,016 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-30 00:39:27,016 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-30 00:39:27,016 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-30 00:39:27,017 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-30 00:39:27,017 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-30 00:39:27,017 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-11-30 00:39:27,017 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-30 00:39:27,017 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-30 00:39:27,018 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_018b03c0-6b7e-4fe9-959e-8ef3e2aa3fd6/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_018b03c0-6b7e-4fe9-959e-8ef3e2aa3fd6/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6775cf40df2c7fe85c2d16019d10d145a8673615 [2020-11-30 00:39:27,400 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-30 00:39:27,478 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-30 00:39:27,481 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-30 00:39:27,482 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-30 00:39:27,484 INFO L275 PluginConnector]: CDTParser initialized [2020-11-30 00:39:27,486 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_018b03c0-6b7e-4fe9-959e-8ef3e2aa3fd6/bin/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec1_product23.cil.c [2020-11-30 00:39:27,565 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_018b03c0-6b7e-4fe9-959e-8ef3e2aa3fd6/bin/ukojak/data/b2e6d387b/69d97668575545d3b77c3cef6defbcc4/FLAG2fe3e3fbb [2020-11-30 00:39:28,311 INFO L306 CDTParser]: Found 1 translation units. [2020-11-30 00:39:28,314 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_018b03c0-6b7e-4fe9-959e-8ef3e2aa3fd6/sv-benchmarks/c/product-lines/minepump_spec1_product23.cil.c [2020-11-30 00:39:28,354 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_018b03c0-6b7e-4fe9-959e-8ef3e2aa3fd6/bin/ukojak/data/b2e6d387b/69d97668575545d3b77c3cef6defbcc4/FLAG2fe3e3fbb [2020-11-30 00:39:28,560 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_018b03c0-6b7e-4fe9-959e-8ef3e2aa3fd6/bin/ukojak/data/b2e6d387b/69d97668575545d3b77c3cef6defbcc4 [2020-11-30 00:39:28,563 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-30 00:39:28,565 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-30 00:39:28,567 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-30 00:39:28,568 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-30 00:39:28,572 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-30 00:39:28,573 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 12:39:28" (1/1) ... [2020-11-30 00:39:28,575 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c0f0da0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:39:28, skipping insertion in model container [2020-11-30 00:39:28,576 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 12:39:28" (1/1) ... [2020-11-30 00:39:28,584 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-30 00:39:28,633 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 00:39:28,935 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 00:39:28,947 INFO L203 MainTranslator]: Completed pre-run [2020-11-30 00:39:29,095 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 00:39:29,156 INFO L208 MainTranslator]: Completed translation [2020-11-30 00:39:29,157 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:39:29 WrapperNode [2020-11-30 00:39:29,157 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-30 00:39:29,158 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-30 00:39:29,158 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-30 00:39:29,159 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-30 00:39:29,167 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:39:29" (1/1) ... [2020-11-30 00:39:29,207 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:39:29" (1/1) ... [2020-11-30 00:39:29,286 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-30 00:39:29,288 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-30 00:39:29,289 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-30 00:39:29,289 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-30 00:39:29,299 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:39:29" (1/1) ... [2020-11-30 00:39:29,299 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:39:29" (1/1) ... [2020-11-30 00:39:29,314 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:39:29" (1/1) ... [2020-11-30 00:39:29,314 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:39:29" (1/1) ... [2020-11-30 00:39:29,325 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:39:29" (1/1) ... [2020-11-30 00:39:29,331 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:39:29" (1/1) ... [2020-11-30 00:39:29,335 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:39:29" (1/1) ... [2020-11-30 00:39:29,339 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-30 00:39:29,340 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-30 00:39:29,340 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-30 00:39:29,340 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-30 00:39:29,352 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:39:29" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_018b03c0-6b7e-4fe9-959e-8ef3e2aa3fd6/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 00:39:29,436 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-30 00:39:29,436 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-11-30 00:39:29,437 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-11-30 00:39:29,439 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-11-30 00:39:29,439 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-11-30 00:39:29,439 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-11-30 00:39:29,441 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-11-30 00:39:29,441 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-11-30 00:39:29,442 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-11-30 00:39:29,443 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-11-30 00:39:29,443 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-11-30 00:39:29,444 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2020-11-30 00:39:29,444 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2020-11-30 00:39:29,444 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-11-30 00:39:29,444 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-11-30 00:39:29,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-30 00:39:29,445 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-11-30 00:39:29,446 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-11-30 00:39:29,446 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-30 00:39:29,446 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-30 00:39:30,938 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-30 00:39:30,938 INFO L298 CfgBuilder]: Removed 38 assume(true) statements. [2020-11-30 00:39:30,941 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:39:30 BoogieIcfgContainer [2020-11-30 00:39:30,941 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-30 00:39:30,942 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-11-30 00:39:30,951 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-11-30 00:39:30,965 INFO L275 PluginConnector]: CodeCheck initialized [2020-11-30 00:39:30,965 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:39:30" (1/1) ... [2020-11-30 00:39:30,975 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:39:31,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:39:31,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 64 states and 87 transitions. [2020-11-30 00:39:31,014 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 87 transitions. [2020-11-30 00:39:31,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-11-30 00:39:31,020 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:39:31,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:39:31,392 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 00:39:31,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:39:31,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 64 states and 85 transitions. [2020-11-30 00:39:31,418 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 85 transitions. [2020-11-30 00:39:31,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-11-30 00:39:31,422 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:39:31,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:39:31,587 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 00:39:31,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:39:31,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 66 states and 88 transitions. [2020-11-30 00:39:31,628 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 88 transitions. [2020-11-30 00:39:31,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-11-30 00:39:31,630 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:39:31,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:39:31,750 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 00:39:32,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:39:32,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 76 states and 109 transitions. [2020-11-30 00:39:32,018 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 109 transitions. [2020-11-30 00:39:32,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-11-30 00:39:32,025 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:39:32,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:39:32,162 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 00:39:32,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:39:32,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 77 states and 110 transitions. [2020-11-30 00:39:32,177 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 110 transitions. [2020-11-30 00:39:32,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-11-30 00:39:32,182 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:39:32,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:39:32,272 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 00:39:32,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:39:32,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 78 states and 111 transitions. [2020-11-30 00:39:32,294 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 111 transitions. [2020-11-30 00:39:32,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-11-30 00:39:32,298 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:39:32,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:39:32,385 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 00:39:32,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:39:32,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 79 states and 112 transitions. [2020-11-30 00:39:32,401 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 112 transitions. [2020-11-30 00:39:32,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-11-30 00:39:32,409 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:39:32,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:39:32,548 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 00:39:33,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:39:33,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 96 states and 150 transitions. [2020-11-30 00:39:33,163 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 150 transitions. [2020-11-30 00:39:33,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-11-30 00:39:33,166 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:39:33,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:39:33,209 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 00:39:33,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:39:33,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 97 states and 151 transitions. [2020-11-30 00:39:33,230 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 151 transitions. [2020-11-30 00:39:33,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-11-30 00:39:33,235 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:39:33,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:39:33,296 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 00:39:33,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:39:33,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 102 states and 160 transitions. [2020-11-30 00:39:33,342 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 160 transitions. [2020-11-30 00:39:33,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-11-30 00:39:33,344 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:39:33,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:39:33,450 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 00:39:34,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:39:34,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 111 states and 177 transitions. [2020-11-30 00:39:34,141 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 177 transitions. [2020-11-30 00:39:34,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-11-30 00:39:34,143 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:39:34,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:39:34,237 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 00:39:35,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:39:35,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 125 states and 207 transitions. [2020-11-30 00:39:35,287 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 207 transitions. [2020-11-30 00:39:35,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-11-30 00:39:35,289 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:39:35,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:39:35,327 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 00:39:35,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:39:35,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 126 states and 208 transitions. [2020-11-30 00:39:35,355 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 208 transitions. [2020-11-30 00:39:35,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-11-30 00:39:35,357 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:39:35,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:39:35,442 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 00:39:35,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:39:35,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 129 states and 216 transitions. [2020-11-30 00:39:35,693 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 216 transitions. [2020-11-30 00:39:35,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-11-30 00:39:35,695 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:39:35,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:39:35,745 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 00:39:35,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:39:35,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 133 states and 225 transitions. [2020-11-30 00:39:35,806 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 225 transitions. [2020-11-30 00:39:35,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-11-30 00:39:35,807 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:39:35,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:39:35,865 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 00:39:36,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:39:36,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 136 states and 233 transitions. [2020-11-30 00:39:36,079 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 233 transitions. [2020-11-30 00:39:36,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-11-30 00:39:36,080 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:39:36,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:39:36,227 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 00:39:36,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:39:36,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 142 states and 247 transitions. [2020-11-30 00:39:36,391 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 247 transitions. [2020-11-30 00:39:36,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-11-30 00:39:36,393 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:39:36,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:39:36,544 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 00:39:36,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:39:36,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 144 states and 252 transitions. [2020-11-30 00:39:36,872 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 252 transitions. [2020-11-30 00:39:36,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-11-30 00:39:36,874 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:39:36,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:39:36,922 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 00:39:36,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:39:36,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 142 states and 246 transitions. [2020-11-30 00:39:36,976 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 246 transitions. [2020-11-30 00:39:36,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-11-30 00:39:36,978 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:39:36,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:39:37,010 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 00:39:37,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:39:37,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 151 states and 265 transitions. [2020-11-30 00:39:37,804 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 265 transitions. [2020-11-30 00:39:37,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-11-30 00:39:37,805 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:39:37,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:39:37,849 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 00:39:37,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:39:37,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 152 states and 266 transitions. [2020-11-30 00:39:37,893 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 266 transitions. [2020-11-30 00:39:37,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-11-30 00:39:37,895 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:39:37,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:39:38,358 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 00:39:39,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:39:39,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 155 states and 272 transitions. [2020-11-30 00:39:39,403 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 272 transitions. [2020-11-30 00:39:39,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-11-30 00:39:39,405 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:39:39,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:39:39,441 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 00:39:39,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:39:39,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 162 states and 284 transitions. [2020-11-30 00:39:39,772 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 284 transitions. [2020-11-30 00:39:39,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-11-30 00:39:39,774 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:39:39,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:39:39,830 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 00:39:39,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:39:39,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 163 states and 285 transitions. [2020-11-30 00:39:39,870 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 285 transitions. [2020-11-30 00:39:39,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-11-30 00:39:39,872 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:39:39,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:39:39,916 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 00:39:39,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:39:39,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 164 states and 285 transitions. [2020-11-30 00:39:39,938 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 285 transitions. [2020-11-30 00:39:39,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-11-30 00:39:39,940 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:39:39,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:39:39,992 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 00:39:40,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:39:40,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 171 states and 301 transitions. [2020-11-30 00:39:40,930 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 301 transitions. [2020-11-30 00:39:40,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-11-30 00:39:40,932 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:39:40,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:39:40,971 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 00:39:41,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:39:41,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 172 states and 302 transitions. [2020-11-30 00:39:41,008 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 302 transitions. [2020-11-30 00:39:41,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-11-30 00:39:41,010 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:39:41,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:39:41,046 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-11-30 00:39:43,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:39:43,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 188 states and 345 transitions. [2020-11-30 00:39:43,352 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 345 transitions. [2020-11-30 00:39:43,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-11-30 00:39:43,354 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:39:43,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:39:43,426 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 00:39:43,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:39:43,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 189 states and 346 transitions. [2020-11-30 00:39:43,457 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 346 transitions. [2020-11-30 00:39:43,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-11-30 00:39:43,459 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:39:43,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:39:43,506 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 00:39:43,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:39:43,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 190 states and 346 transitions. [2020-11-30 00:39:43,522 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 346 transitions. [2020-11-30 00:39:43,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-11-30 00:39:43,524 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:39:43,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:39:43,581 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-11-30 00:39:45,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:39:45,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 202 states and 375 transitions. [2020-11-30 00:39:45,591 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 375 transitions. [2020-11-30 00:39:45,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-11-30 00:39:45,592 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:39:45,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:39:45,645 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-11-30 00:39:45,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:39:45,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 203 states and 376 transitions. [2020-11-30 00:39:45,674 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 376 transitions. [2020-11-30 00:39:45,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-11-30 00:39:45,676 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:39:45,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:39:45,719 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 00:39:45,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:39:45,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 405 states to 206 states and 382 transitions. [2020-11-30 00:39:45,753 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 382 transitions. [2020-11-30 00:39:45,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-11-30 00:39:45,755 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:39:45,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:39:45,800 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-11-30 00:39:45,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:39:45,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 406 states to 207 states and 383 transitions. [2020-11-30 00:39:45,826 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 383 transitions. [2020-11-30 00:39:45,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-11-30 00:39:45,829 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:39:45,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:39:45,865 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2020-11-30 00:39:46,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:39:46,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 209 states and 387 transitions. [2020-11-30 00:39:46,483 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 387 transitions. [2020-11-30 00:39:46,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-11-30 00:39:46,485 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:39:46,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:39:46,515 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-11-30 00:39:47,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:39:47,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 216 states and 399 transitions. [2020-11-30 00:39:47,034 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 399 transitions. [2020-11-30 00:39:47,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-11-30 00:39:47,036 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:39:47,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:39:47,068 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 00:39:47,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:39:47,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 217 states and 401 transitions. [2020-11-30 00:39:47,082 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 401 transitions. [2020-11-30 00:39:47,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-11-30 00:39:47,085 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:39:47,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:39:47,117 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-11-30 00:39:47,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:39:47,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 218 states and 402 transitions. [2020-11-30 00:39:47,143 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 402 transitions. [2020-11-30 00:39:47,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-11-30 00:39:47,145 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:39:47,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:39:47,187 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 00:39:47,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:39:47,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 438 states to 225 states and 411 transitions. [2020-11-30 00:39:47,876 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 411 transitions. [2020-11-30 00:39:47,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-11-30 00:39:47,878 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:39:47,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:39:47,920 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-11-30 00:39:49,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:39:49,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 456 states to 231 states and 425 transitions. [2020-11-30 00:39:49,077 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 425 transitions. [2020-11-30 00:39:49,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-11-30 00:39:49,080 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:39:49,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:39:49,111 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-11-30 00:39:49,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:39:49,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 232 states and 428 transitions. [2020-11-30 00:39:49,533 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 428 transitions. [2020-11-30 00:39:49,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-11-30 00:39:49,535 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:39:49,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:39:49,580 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-11-30 00:39:49,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:39:49,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 237 states and 437 transitions. [2020-11-30 00:39:49,873 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 437 transitions. [2020-11-30 00:39:49,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-11-30 00:39:49,875 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:39:49,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:39:49,910 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 00:39:50,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:39:50,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 477 states to 242 states and 446 transitions. [2020-11-30 00:39:50,159 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 446 transitions. [2020-11-30 00:39:50,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-11-30 00:39:50,161 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:39:50,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:39:50,195 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 00:39:50,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:39:50,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 477 states to 243 states and 446 transitions. [2020-11-30 00:39:50,209 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 446 transitions. [2020-11-30 00:39:50,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-11-30 00:39:50,212 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:39:50,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:39:50,245 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-11-30 00:39:50,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:39:50,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 478 states to 244 states and 447 transitions. [2020-11-30 00:39:50,270 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 447 transitions. [2020-11-30 00:39:50,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2020-11-30 00:39:50,272 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:39:50,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:39:50,312 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2020-11-30 00:39:50,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:39:50,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 479 states to 245 states and 448 transitions. [2020-11-30 00:39:50,344 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 448 transitions. [2020-11-30 00:39:50,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-11-30 00:39:50,346 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:39:50,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:39:50,390 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 00:39:50,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:39:50,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 480 states to 246 states and 449 transitions. [2020-11-30 00:39:50,415 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 449 transitions. [2020-11-30 00:39:50,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-11-30 00:39:50,444 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:39:50,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:39:50,486 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 00:39:50,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:39:50,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 483 states to 247 states and 452 transitions. [2020-11-30 00:39:50,929 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 452 transitions. [2020-11-30 00:39:50,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-11-30 00:39:50,931 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:39:50,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:39:50,972 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-11-30 00:39:51,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:39:51,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 489 states to 249 states and 458 transitions. [2020-11-30 00:39:51,192 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 458 transitions. [2020-11-30 00:39:51,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-11-30 00:39:51,194 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:39:51,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:39:51,230 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 00:39:51,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:39:51,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 250 states and 459 transitions. [2020-11-30 00:39:51,248 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 459 transitions. [2020-11-30 00:39:51,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-11-30 00:39:51,250 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:39:51,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:39:51,286 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-11-30 00:39:51,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:39:51,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 494 states to 253 states and 463 transitions. [2020-11-30 00:39:51,313 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 463 transitions. [2020-11-30 00:39:51,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2020-11-30 00:39:51,316 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:39:51,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:39:51,350 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 00:39:52,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:39:52,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 514 states to 262 states and 480 transitions. [2020-11-30 00:39:52,878 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 480 transitions. [2020-11-30 00:39:52,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-11-30 00:39:52,880 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:39:52,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:39:52,910 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 00:39:52,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:39:52,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 515 states to 263 states and 481 transitions. [2020-11-30 00:39:52,968 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 481 transitions. [2020-11-30 00:39:52,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-11-30 00:39:52,970 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:39:52,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:39:53,010 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-11-30 00:39:53,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:39:53,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 516 states to 264 states and 482 transitions. [2020-11-30 00:39:53,044 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 482 transitions. [2020-11-30 00:39:53,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2020-11-30 00:39:53,046 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:39:53,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:39:53,092 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2020-11-30 00:39:53,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:39:53,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 521 states to 267 states and 487 transitions. [2020-11-30 00:39:53,125 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 487 transitions. [2020-11-30 00:39:53,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2020-11-30 00:39:53,128 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:39:53,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:39:53,173 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2020-11-30 00:39:53,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:39:53,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 522 states to 268 states and 488 transitions. [2020-11-30 00:39:53,219 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 488 transitions. [2020-11-30 00:39:53,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2020-11-30 00:39:53,221 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:39:53,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:39:53,268 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2020-11-30 00:39:53,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:39:53,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 523 states to 109 states and 143 transitions. [2020-11-30 00:39:53,324 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 143 transitions. [2020-11-30 00:39:53,324 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-30 00:39:53,325 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 57 iterations. [2020-11-30 00:39:53,335 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2020-11-30 00:39:54,006 INFO L569 CodeCheckObserver]: Invariant with dag size 7 [2020-11-30 00:39:54,016 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-30 00:39:54,016 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-30 00:39:54,016 INFO L569 CodeCheckObserver]: Invariant with dag size 19 [2020-11-30 00:39:54,026 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-30 00:39:54,027 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-30 00:39:54,027 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-30 00:39:54,027 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-30 00:39:54,027 INFO L569 CodeCheckObserver]: Invariant with dag size 3 [2020-11-30 00:39:54,028 INFO L569 CodeCheckObserver]: Invariant with dag size 9 [2020-11-30 00:39:54,029 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-30 00:39:54,029 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-30 00:39:54,029 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-30 00:39:54,029 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-30 00:39:54,030 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 30.11 12:39:54 ImpRootNode [2020-11-30 00:39:54,030 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-11-30 00:39:54,031 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-30 00:39:54,031 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-30 00:39:54,031 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-30 00:39:54,032 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:39:30" (3/4) ... [2020-11-30 00:39:54,036 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-30 00:39:54,042 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2020-11-30 00:39:54,042 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2020-11-30 00:39:54,042 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2020-11-30 00:39:54,043 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2020-11-30 00:39:54,043 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2020-11-30 00:39:54,043 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2020-11-30 00:39:54,043 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2020-11-30 00:39:54,044 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__lowWaterSensor [2020-11-30 00:39:54,053 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 60 nodes and edges [2020-11-30 00:39:54,054 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2020-11-30 00:39:54,055 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2020-11-30 00:39:54,056 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-11-30 00:39:54,056 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-30 00:39:54,057 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-30 00:39:54,058 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-30 00:39:54,087 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(0 == systemActive) && !(1 == systemActive)) || (!(pumpRunning == 0) && 1 == systemActive)) || pumpRunning == \old(pumpRunning)) || (!(pumpRunning == 0) && !(methaneLevelCritical == 0)) [2020-11-30 00:39:54,088 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: pumpRunning == \old(pumpRunning) [2020-11-30 00:39:54,147 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_018b03c0-6b7e-4fe9-959e-8ef3e2aa3fd6/bin/ukojak/witness.graphml [2020-11-30 00:39:54,147 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-30 00:39:54,149 INFO L168 Benchmark]: Toolchain (without parser) took 25583.49 ms. Allocated memory was 98.6 MB in the beginning and 371.2 MB in the end (delta: 272.6 MB). Free memory was 62.3 MB in the beginning and 262.1 MB in the end (delta: -199.7 MB). Peak memory consumption was 74.5 MB. Max. memory is 16.1 GB. [2020-11-30 00:39:54,150 INFO L168 Benchmark]: CDTParser took 1.56 ms. Allocated memory is still 98.6 MB. Free memory is still 79.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 00:39:54,150 INFO L168 Benchmark]: CACSL2BoogieTranslator took 589.90 ms. Allocated memory is still 98.6 MB. Free memory was 62.1 MB in the beginning and 40.9 MB in the end (delta: 21.3 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.1 GB. [2020-11-30 00:39:54,151 INFO L168 Benchmark]: Boogie Procedure Inliner took 129.58 ms. Allocated memory is still 98.6 MB. Free memory was 40.8 MB in the beginning and 76.8 MB in the end (delta: -36.0 MB). Peak memory consumption was 7.2 MB. Max. memory is 16.1 GB. [2020-11-30 00:39:54,151 INFO L168 Benchmark]: Boogie Preprocessor took 50.64 ms. Allocated memory is still 98.6 MB. Free memory was 76.8 MB in the beginning and 74.9 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-30 00:39:54,152 INFO L168 Benchmark]: RCFGBuilder took 1601.41 ms. Allocated memory is still 98.6 MB. Free memory was 74.6 MB in the beginning and 51.0 MB in the end (delta: 23.6 MB). Peak memory consumption was 43.4 MB. Max. memory is 16.1 GB. [2020-11-30 00:39:54,152 INFO L168 Benchmark]: CodeCheck took 23087.83 ms. Allocated memory was 98.6 MB in the beginning and 371.2 MB in the end (delta: 272.6 MB). Free memory was 50.5 MB in the beginning and 268.3 MB in the end (delta: -217.8 MB). Peak memory consumption was 162.2 MB. Max. memory is 16.1 GB. [2020-11-30 00:39:54,152 INFO L168 Benchmark]: Witness Printer took 116.84 ms. Allocated memory is still 371.2 MB. Free memory was 268.3 MB in the beginning and 262.1 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-11-30 00:39:54,155 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 9 procedures, 64 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 22.3s, OverallIterations: 57, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: -1170706012 SDtfs, 1279660204 SDslu, -1251462820 SDs, 0 SdLazy, 1320860316 SolverSat, -1615426252 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 69.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 26007 GetRequests, 25734 SyntacticMatches, 13 SemanticMatches, 260 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29022 ImplicationChecksByTransitivity, 15.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.2s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 2.3s InterpolantComputationTime, 2542 NumberOfCodeBlocks, 2542 NumberOfCodeBlocksAsserted, 56 NumberOfCheckSat, 2486 ConstructedInterpolants, 0 QuantifiedInterpolants, 231083 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 56 InterpolantComputations, 47 PerfectInterpolantSequences, 937/979 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: 781]: Loop Invariant Derived loop invariant: tmp == methaneLevelCritical || !(tmp == 0) - InvariantResult [Line: 686]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 781]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 585]: Loop Invariant Derived loop invariant: (((!(0 == systemActive) && !(1 == systemActive)) || (!(pumpRunning == 0) && 1 == systemActive)) || pumpRunning == \old(pumpRunning)) || (!(pumpRunning == 0) && !(methaneLevelCritical == 0)) - InvariantResult [Line: 838]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 553]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 593]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 618]: Loop Invariant Derived loop invariant: pumpRunning == \old(pumpRunning) - InvariantResult [Line: 919]: Loop Invariant Derived loop invariant: (1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 919]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 848]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 516]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 517]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.56 ms. Allocated memory is still 98.6 MB. Free memory is still 79.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 589.90 ms. Allocated memory is still 98.6 MB. Free memory was 62.1 MB in the beginning and 40.9 MB in the end (delta: 21.3 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 129.58 ms. Allocated memory is still 98.6 MB. Free memory was 40.8 MB in the beginning and 76.8 MB in the end (delta: -36.0 MB). Peak memory consumption was 7.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 50.64 ms. Allocated memory is still 98.6 MB. Free memory was 76.8 MB in the beginning and 74.9 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1601.41 ms. Allocated memory is still 98.6 MB. Free memory was 74.6 MB in the beginning and 51.0 MB in the end (delta: 23.6 MB). Peak memory consumption was 43.4 MB. Max. memory is 16.1 GB. * CodeCheck took 23087.83 ms. Allocated memory was 98.6 MB in the beginning and 371.2 MB in the end (delta: 272.6 MB). Free memory was 50.5 MB in the beginning and 268.3 MB in the end (delta: -217.8 MB). Peak memory consumption was 162.2 MB. Max. memory is 16.1 GB. * Witness Printer took 116.84 ms. Allocated memory is still 371.2 MB. Free memory was 268.3 MB in the beginning and 262.1 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...