./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product43.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_f58c277d-b0a8-4542-a575-bd7087babf34/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_f58c277d-b0a8-4542-a575-bd7087babf34/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_f58c277d-b0a8-4542-a575-bd7087babf34/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_f58c277d-b0a8-4542-a575-bd7087babf34/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product43.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_f58c277d-b0a8-4542-a575-bd7087babf34/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_f58c277d-b0a8-4542-a575-bd7087babf34/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 a285a3ca3b1510caf096d0e38f1e6e56ffc456f4 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-29 18:50:03,749 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 18:50:03,753 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 18:50:03,874 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 18:50:03,881 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 18:50:03,888 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 18:50:03,893 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 18:50:03,898 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 18:50:03,902 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 18:50:03,909 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 18:50:03,911 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 18:50:03,913 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 18:50:03,914 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 18:50:03,918 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 18:50:03,920 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 18:50:03,923 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 18:50:03,925 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 18:50:03,926 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 18:50:03,933 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 18:50:03,942 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 18:50:03,945 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 18:50:03,947 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 18:50:03,950 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 18:50:03,951 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 18:50:03,962 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 18:50:03,963 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 18:50:03,964 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 18:50:03,966 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 18:50:03,967 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 18:50:03,969 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 18:50:03,970 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 18:50:03,971 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 18:50:03,974 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 18:50:03,975 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 18:50:03,977 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 18:50:03,977 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 18:50:03,978 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 18:50:03,979 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 18:50:03,979 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 18:50:03,980 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 18:50:03,983 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 18:50:03,986 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_f58c277d-b0a8-4542-a575-bd7087babf34/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-11-29 18:50:04,033 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 18:50:04,034 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 18:50:04,035 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-29 18:50:04,036 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-11-29 18:50:04,037 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 18:50:04,037 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 18:50:04,037 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 18:50:04,038 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 18:50:04,038 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 18:50:04,038 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 18:50:04,039 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 18:50:04,040 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-29 18:50:04,040 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-29 18:50:04,040 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-29 18:50:04,041 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 18:50:04,041 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 18:50:04,041 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 18:50:04,041 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-29 18:50:04,042 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-29 18:50:04,042 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-29 18:50:04,042 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 18:50:04,043 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-29 18:50:04,043 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-29 18:50:04,043 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 18:50:04,044 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-29 18:50:04,044 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-29 18:50:04,044 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-11-29 18:50:04,045 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-29 18:50:04,045 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-29 18:50:04,045 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_f58c277d-b0a8-4542-a575-bd7087babf34/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_f58c277d-b0a8-4542-a575-bd7087babf34/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a285a3ca3b1510caf096d0e38f1e6e56ffc456f4 [2020-11-29 18:50:04,381 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 18:50:04,408 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 18:50:04,410 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 18:50:04,411 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 18:50:04,412 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 18:50:04,414 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_f58c277d-b0a8-4542-a575-bd7087babf34/bin/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec2_product43.cil.c [2020-11-29 18:50:04,519 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f58c277d-b0a8-4542-a575-bd7087babf34/bin/ukojak/data/5a8c558ab/d20dc08a7b84437382b8f31e7599f444/FLAG06b25f097 [2020-11-29 18:50:05,145 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 18:50:05,146 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_f58c277d-b0a8-4542-a575-bd7087babf34/sv-benchmarks/c/product-lines/minepump_spec2_product43.cil.c [2020-11-29 18:50:05,160 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f58c277d-b0a8-4542-a575-bd7087babf34/bin/ukojak/data/5a8c558ab/d20dc08a7b84437382b8f31e7599f444/FLAG06b25f097 [2020-11-29 18:50:05,465 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_f58c277d-b0a8-4542-a575-bd7087babf34/bin/ukojak/data/5a8c558ab/d20dc08a7b84437382b8f31e7599f444 [2020-11-29 18:50:05,470 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 18:50:05,472 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 18:50:05,476 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 18:50:05,476 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 18:50:05,481 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 18:50:05,482 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 06:50:05" (1/1) ... [2020-11-29 18:50:05,485 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@681dd5f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:50:05, skipping insertion in model container [2020-11-29 18:50:05,485 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 06:50:05" (1/1) ... [2020-11-29 18:50:05,493 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 18:50:05,564 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 18:50:05,926 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 18:50:05,942 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 18:50:06,052 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 18:50:06,089 INFO L208 MainTranslator]: Completed translation [2020-11-29 18:50:06,089 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:50:06 WrapperNode [2020-11-29 18:50:06,089 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 18:50:06,091 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 18:50:06,091 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 18:50:06,091 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 18:50:06,099 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:50:06" (1/1) ... [2020-11-29 18:50:06,133 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:50:06" (1/1) ... [2020-11-29 18:50:06,168 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 18:50:06,173 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 18:50:06,174 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 18:50:06,174 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 18:50:06,188 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:50:06" (1/1) ... [2020-11-29 18:50:06,188 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:50:06" (1/1) ... [2020-11-29 18:50:06,207 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:50:06" (1/1) ... [2020-11-29 18:50:06,207 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:50:06" (1/1) ... [2020-11-29 18:50:06,216 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:50:06" (1/1) ... [2020-11-29 18:50:06,222 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:50:06" (1/1) ... [2020-11-29 18:50:06,225 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:50:06" (1/1) ... [2020-11-29 18:50:06,229 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 18:50:06,230 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 18:50:06,230 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 18:50:06,230 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 18:50:06,231 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:50:06" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f58c277d-b0a8-4542-a575-bd7087babf34/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 [2020-11-29 18:50:06,333 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 18:50:06,333 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-11-29 18:50:06,333 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-11-29 18:50:06,333 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-11-29 18:50:06,333 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-11-29 18:50:06,334 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-11-29 18:50:06,334 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-11-29 18:50:06,334 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-11-29 18:50:06,334 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-11-29 18:50:06,334 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-11-29 18:50:06,335 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-11-29 18:50:06,335 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-29 18:50:06,335 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-11-29 18:50:06,335 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-11-29 18:50:06,335 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 18:50:06,335 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 18:50:07,934 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 18:50:07,934 INFO L298 CfgBuilder]: Removed 46 assume(true) statements. [2020-11-29 18:50:07,937 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:50:07 BoogieIcfgContainer [2020-11-29 18:50:07,937 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 18:50:07,938 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-11-29 18:50:07,938 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-11-29 18:50:07,953 INFO L275 PluginConnector]: CodeCheck initialized [2020-11-29 18:50:07,953 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:50:07" (1/1) ... [2020-11-29 18:50:07,970 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:50:08,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:50:08,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 49 states and 65 transitions. [2020-11-29 18:50:08,016 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 65 transitions. [2020-11-29 18:50:08,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-11-29 18:50:08,021 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:50:08,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:50:08,322 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 18:50:08,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:50:08,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 49 states and 63 transitions. [2020-11-29 18:50:08,349 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 63 transitions. [2020-11-29 18:50:08,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-11-29 18:50:08,352 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:50:08,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:50:08,542 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 18:50:08,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:50:08,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 51 states and 66 transitions. [2020-11-29 18:50:08,580 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 66 transitions. [2020-11-29 18:50:08,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-11-29 18:50:08,581 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:50:08,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:50:08,773 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 18:50:09,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:50:09,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 64 states and 92 transitions. [2020-11-29 18:50:09,137 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 92 transitions. [2020-11-29 18:50:09,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-29 18:50:09,139 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:50:09,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:50:09,300 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 18:50:09,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:50:09,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 74 states and 114 transitions. [2020-11-29 18:50:09,961 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 114 transitions. [2020-11-29 18:50:09,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-11-29 18:50:09,967 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:50:10,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:50:10,071 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 18:50:10,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:50:10,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 75 states and 115 transitions. [2020-11-29 18:50:10,095 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 115 transitions. [2020-11-29 18:50:10,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-11-29 18:50:10,100 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:50:10,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:50:10,201 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 18:50:11,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:50:11,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 91 states and 153 transitions. [2020-11-29 18:50:11,095 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 153 transitions. [2020-11-29 18:50:11,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-11-29 18:50:11,098 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:50:11,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:50:11,160 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 18:50:11,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:50:11,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 92 states and 154 transitions. [2020-11-29 18:50:11,192 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 154 transitions. [2020-11-29 18:50:11,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-11-29 18:50:11,195 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:50:11,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:50:11,251 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 18:50:11,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:50:11,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 93 states and 157 transitions. [2020-11-29 18:50:11,454 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 157 transitions. [2020-11-29 18:50:11,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-11-29 18:50:11,456 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:50:11,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:50:11,520 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 18:50:11,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:50:11,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 96 states and 161 transitions. [2020-11-29 18:50:11,631 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 161 transitions. [2020-11-29 18:50:11,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-11-29 18:50:11,632 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:50:11,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:50:11,700 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 18:50:11,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:50:11,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 97 states and 162 transitions. [2020-11-29 18:50:11,735 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 162 transitions. [2020-11-29 18:50:11,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-11-29 18:50:11,742 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:50:11,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:50:11,798 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 18:50:12,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:50:12,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 101 states and 171 transitions. [2020-11-29 18:50:12,240 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 171 transitions. [2020-11-29 18:50:12,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-11-29 18:50:12,242 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:50:12,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:50:12,301 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-11-29 18:50:12,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:50:12,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 103 states and 173 transitions. [2020-11-29 18:50:12,360 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 173 transitions. [2020-11-29 18:50:12,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-11-29 18:50:12,361 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:50:12,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:50:12,433 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 18:50:12,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:50:12,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 106 states and 177 transitions. [2020-11-29 18:50:12,548 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 177 transitions. [2020-11-29 18:50:12,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-11-29 18:50:12,550 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:50:12,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:50:12,610 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-29 18:50:12,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:50:12,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 108 states and 179 transitions. [2020-11-29 18:50:12,644 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 179 transitions. [2020-11-29 18:50:12,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-11-29 18:50:12,645 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:50:12,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:50:12,685 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-29 18:50:13,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:50:13,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 113 states and 191 transitions. [2020-11-29 18:50:13,088 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 191 transitions. [2020-11-29 18:50:13,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-11-29 18:50:13,090 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:50:13,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:50:13,130 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-29 18:50:13,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:50:13,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 114 states and 192 transitions. [2020-11-29 18:50:13,164 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 192 transitions. [2020-11-29 18:50:13,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-11-29 18:50:13,168 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:50:13,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:50:13,529 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-11-29 18:50:14,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:50:14,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 117 states and 200 transitions. [2020-11-29 18:50:14,424 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 200 transitions. [2020-11-29 18:50:14,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-11-29 18:50:14,425 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:50:14,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:50:14,467 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-29 18:50:14,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:50:14,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 120 states and 207 transitions. [2020-11-29 18:50:14,982 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 207 transitions. [2020-11-29 18:50:14,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-11-29 18:50:14,986 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:50:15,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:50:15,069 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-11-29 18:50:15,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:50:15,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 122 states and 209 transitions. [2020-11-29 18:50:15,255 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 209 transitions. [2020-11-29 18:50:15,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-11-29 18:50:15,258 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:50:15,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:50:15,313 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-29 18:50:15,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:50:15,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 122 states and 208 transitions. [2020-11-29 18:50:15,579 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 208 transitions. [2020-11-29 18:50:15,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-11-29 18:50:15,580 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:50:15,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:50:15,610 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-29 18:50:16,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:50:16,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 125 states and 214 transitions. [2020-11-29 18:50:16,083 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 214 transitions. [2020-11-29 18:50:16,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-11-29 18:50:16,084 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:50:16,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:50:16,131 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-29 18:50:16,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:50:16,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 132 states and 230 transitions. [2020-11-29 18:50:16,474 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 230 transitions. [2020-11-29 18:50:16,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-11-29 18:50:16,475 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:50:16,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:50:17,488 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-11-29 18:50:21,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:50:21,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 148 states and 271 transitions. [2020-11-29 18:50:21,713 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 271 transitions. [2020-11-29 18:50:21,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-11-29 18:50:21,714 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:50:21,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:50:21,750 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-29 18:50:21,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:50:21,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 149 states and 272 transitions. [2020-11-29 18:50:21,782 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 272 transitions. [2020-11-29 18:50:21,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-11-29 18:50:21,784 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:50:21,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:50:21,834 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-29 18:50:21,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:50:21,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 150 states and 273 transitions. [2020-11-29 18:50:21,856 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 273 transitions. [2020-11-29 18:50:21,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-11-29 18:50:21,858 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:50:21,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:50:21,892 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-29 18:50:22,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:50:22,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 152 states and 271 transitions. [2020-11-29 18:50:22,085 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 271 transitions. [2020-11-29 18:50:22,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-11-29 18:50:22,086 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:50:22,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:50:22,376 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-11-29 18:50:24,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:50:24,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 157 states and 279 transitions. [2020-11-29 18:50:24,024 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 279 transitions. [2020-11-29 18:50:24,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-11-29 18:50:24,026 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:50:24,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:50:24,915 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 16 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-29 18:50:32,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:50:32,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 173 states and 313 transitions. [2020-11-29 18:50:32,546 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 313 transitions. [2020-11-29 18:50:32,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-11-29 18:50:32,551 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:50:32,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:50:33,226 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-11-29 18:50:34,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:50:34,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 173 states and 310 transitions. [2020-11-29 18:50:34,667 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 310 transitions. [2020-11-29 18:50:34,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-11-29 18:50:34,669 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:50:34,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:50:34,707 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2020-11-29 18:50:35,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:50:35,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 177 states and 320 transitions. [2020-11-29 18:50:35,264 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 320 transitions. [2020-11-29 18:50:35,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-11-29 18:50:35,266 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:50:35,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:50:35,314 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2020-11-29 18:50:35,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:50:35,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 178 states and 321 transitions. [2020-11-29 18:50:35,351 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 321 transitions. [2020-11-29 18:50:35,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-11-29 18:50:35,353 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:50:35,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:50:35,399 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2020-11-29 18:50:36,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:50:36,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 179 states and 324 transitions. [2020-11-29 18:50:36,095 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 324 transitions. [2020-11-29 18:50:36,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-11-29 18:50:36,103 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:50:36,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:50:36,162 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2020-11-29 18:50:36,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:50:36,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 180 states and 326 transitions. [2020-11-29 18:50:36,850 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 326 transitions. [2020-11-29 18:50:36,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-11-29 18:50:36,852 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:50:36,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:50:36,894 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2020-11-29 18:50:37,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:50:37,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 181 states and 327 transitions. [2020-11-29 18:50:37,603 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 327 transitions. [2020-11-29 18:50:37,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-11-29 18:50:37,605 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:50:37,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:50:37,668 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-11-29 18:50:38,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:50:38,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 184 states and 332 transitions. [2020-11-29 18:50:38,023 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 332 transitions. [2020-11-29 18:50:38,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-11-29 18:50:38,025 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:50:38,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:50:38,067 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2020-11-29 18:50:38,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:50:38,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 185 states and 333 transitions. [2020-11-29 18:50:38,121 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 333 transitions. [2020-11-29 18:50:38,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-11-29 18:50:38,123 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:50:38,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:50:38,166 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-11-29 18:50:38,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:50:38,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 186 states and 334 transitions. [2020-11-29 18:50:38,193 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 334 transitions. [2020-11-29 18:50:38,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-11-29 18:50:38,196 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:50:38,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:50:39,683 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 29 proven. 14 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-11-29 18:50:45,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:50:45,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 196 states and 362 transitions. [2020-11-29 18:50:45,031 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 362 transitions. [2020-11-29 18:50:45,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-11-29 18:50:45,033 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:50:45,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:50:46,013 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 30 proven. 15 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-11-29 18:50:47,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:50:47,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 424 states to 204 states and 391 transitions. [2020-11-29 18:50:47,984 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 391 transitions. [2020-11-29 18:50:47,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2020-11-29 18:50:47,987 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:50:48,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:50:48,073 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 30 proven. 16 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-11-29 18:50:48,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:50:48,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 206 states and 393 transitions. [2020-11-29 18:50:48,147 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 393 transitions. [2020-11-29 18:50:48,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-11-29 18:50:48,149 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:50:48,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:50:49,515 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 37 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-11-29 18:50:55,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:50:55,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 453 states to 216 states and 416 transitions. [2020-11-29 18:50:55,352 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 416 transitions. [2020-11-29 18:50:55,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2020-11-29 18:50:55,354 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:50:55,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:50:57,060 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 29 proven. 9 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-11-29 18:51:07,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:51:07,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 504 states to 229 states and 463 transitions. [2020-11-29 18:51:07,729 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 463 transitions. [2020-11-29 18:51:07,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2020-11-29 18:51:07,733 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:51:07,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:51:08,448 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 28 proven. 7 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-11-29 18:51:14,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:51:14,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 528 states to 234 states and 482 transitions. [2020-11-29 18:51:14,643 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 482 transitions. [2020-11-29 18:51:14,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2020-11-29 18:51:14,646 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:51:14,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:51:14,738 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 28 proven. 7 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-11-29 18:51:20,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:51:20,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 555 states to 244 states and 503 transitions. [2020-11-29 18:51:20,343 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 503 transitions. [2020-11-29 18:51:20,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2020-11-29 18:51:20,347 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:51:20,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:51:20,400 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 22 proven. 12 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-11-29 18:51:32,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:51:32,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 590 states to 253 states and 527 transitions. [2020-11-29 18:51:32,157 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 527 transitions. [2020-11-29 18:51:32,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2020-11-29 18:51:32,161 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:51:32,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:51:32,216 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2020-11-29 18:51:33,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:51:33,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 591 states to 254 states and 528 transitions. [2020-11-29 18:51:33,232 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 528 transitions. [2020-11-29 18:51:33,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2020-11-29 18:51:33,235 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:51:33,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:51:35,903 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 36 proven. 11 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-11-29 18:51:45,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:51:45,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 628 states to 267 states and 554 transitions. [2020-11-29 18:51:45,472 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 554 transitions. [2020-11-29 18:51:45,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2020-11-29 18:51:45,475 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:51:45,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:51:46,885 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 38 proven. 11 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-11-29 18:51:54,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:51:54,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 638 states to 266 states and 544 transitions. [2020-11-29 18:51:54,608 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 544 transitions. [2020-11-29 18:51:54,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2020-11-29 18:51:54,610 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:51:54,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:51:54,688 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 37 proven. 11 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-11-29 18:51:54,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:51:54,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 639 states to 267 states and 545 transitions. [2020-11-29 18:51:54,765 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 545 transitions. [2020-11-29 18:51:54,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2020-11-29 18:51:54,768 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:51:54,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:51:54,901 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 30 proven. 5 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2020-11-29 18:52:02,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:52:02,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 691 states to 285 states and 578 transitions. [2020-11-29 18:52:02,272 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 578 transitions. [2020-11-29 18:52:02,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2020-11-29 18:52:02,274 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:52:02,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:52:02,386 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 30 proven. 5 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2020-11-29 18:52:07,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:52:07,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 710 states to 289 states and 584 transitions. [2020-11-29 18:52:07,699 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 584 transitions. [2020-11-29 18:52:07,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2020-11-29 18:52:07,701 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:52:07,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:52:07,821 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 30 proven. 5 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2020-11-29 18:52:10,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:52:10,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 718 states to 289 states and 583 transitions. [2020-11-29 18:52:10,378 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 583 transitions. [2020-11-29 18:52:10,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2020-11-29 18:52:10,379 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:52:10,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:52:10,479 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 30 proven. 5 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2020-11-29 18:52:13,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:52:13,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 725 states to 283 states and 564 transitions. [2020-11-29 18:52:13,015 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 564 transitions. [2020-11-29 18:52:13,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2020-11-29 18:52:13,017 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:52:13,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:52:13,111 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 30 proven. 5 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2020-11-29 18:52:14,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:52:14,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 726 states to 284 states and 563 transitions. [2020-11-29 18:52:14,047 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 563 transitions. [2020-11-29 18:52:14,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2020-11-29 18:52:14,048 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:52:14,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:52:14,143 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 31 proven. 5 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2020-11-29 18:52:14,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:52:14,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 727 states to 285 states and 564 transitions. [2020-11-29 18:52:14,193 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 564 transitions. [2020-11-29 18:52:14,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2020-11-29 18:52:14,195 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:52:14,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:52:14,553 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 37 proven. 2 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2020-11-29 18:52:16,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:52:16,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 729 states to 286 states and 566 transitions. [2020-11-29 18:52:16,780 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 566 transitions. [2020-11-29 18:52:16,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2020-11-29 18:52:16,782 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:52:16,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:52:16,853 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 37 proven. 2 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2020-11-29 18:52:18,400 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 20 [2020-11-29 18:52:18,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:52:18,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 728 states to 286 states and 565 transitions. [2020-11-29 18:52:18,776 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 565 transitions. [2020-11-29 18:52:18,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2020-11-29 18:52:18,777 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:52:18,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:52:18,831 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 37 proven. 2 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2020-11-29 18:52:20,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:52:20,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 727 states to 286 states and 564 transitions. [2020-11-29 18:52:20,540 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 564 transitions. [2020-11-29 18:52:20,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2020-11-29 18:52:20,542 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:52:20,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:52:20,583 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 37 proven. 2 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2020-11-29 18:52:20,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:52:20,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 727 states to 286 states and 564 transitions. [2020-11-29 18:52:20,608 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 564 transitions. [2020-11-29 18:52:20,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2020-11-29 18:52:20,609 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:52:20,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:52:20,649 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 37 proven. 2 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2020-11-29 18:52:20,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:52:20,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 727 states to 286 states and 564 transitions. [2020-11-29 18:52:20,674 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 564 transitions. [2020-11-29 18:52:20,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2020-11-29 18:52:20,675 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:52:20,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:52:20,716 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 37 proven. 2 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2020-11-29 18:52:20,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:52:20,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 727 states to 286 states and 564 transitions. [2020-11-29 18:52:20,742 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 564 transitions. [2020-11-29 18:52:20,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2020-11-29 18:52:20,744 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:52:20,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:52:20,789 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 37 proven. 2 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2020-11-29 18:52:20,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:52:20,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 727 states to 286 states and 564 transitions. [2020-11-29 18:52:20,816 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 564 transitions. [2020-11-29 18:52:20,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2020-11-29 18:52:20,818 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:52:20,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:52:20,862 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 37 proven. 2 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2020-11-29 18:52:20,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:52:20,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 727 states to 286 states and 564 transitions. [2020-11-29 18:52:20,890 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 564 transitions. [2020-11-29 18:52:20,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2020-11-29 18:52:20,892 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:52:20,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:52:20,941 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 37 proven. 2 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2020-11-29 18:52:20,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:52:20,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 727 states to 286 states and 564 transitions. [2020-11-29 18:52:20,970 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 564 transitions. [2020-11-29 18:52:20,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2020-11-29 18:52:20,971 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:52:20,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:52:21,018 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 37 proven. 2 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2020-11-29 18:52:21,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:52:21,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 727 states to 286 states and 564 transitions. [2020-11-29 18:52:21,044 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 564 transitions. [2020-11-29 18:52:21,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2020-11-29 18:52:21,046 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:52:21,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 18:52:21,100 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 18:52:21,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 18:52:21,178 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 18:52:21,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 18:52:21,603 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 18:52:21,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 18:52:21,744 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 18:52:21,884 WARN L483 CodeCheckObserver]: This program is UNSAFE, Check terminated with 66 iterations. [2020-11-29 18:52:22,278 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 29.11 06:52:22 ImpRootNode [2020-11-29 18:52:22,278 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-11-29 18:52:22,279 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 18:52:22,279 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 18:52:22,279 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 18:52:22,280 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:50:07" (3/4) ... [2020-11-29 18:52:22,281 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-11-29 18:52:22,495 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_f58c277d-b0a8-4542-a575-bd7087babf34/bin/ukojak/witness.graphml [2020-11-29 18:52:22,495 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 18:52:22,497 INFO L168 Benchmark]: Toolchain (without parser) took 137024.17 ms. Allocated memory was 83.9 MB in the beginning and 1.6 GB in the end (delta: 1.5 GB). Free memory was 51.4 MB in the beginning and 777.7 MB in the end (delta: -726.3 MB). Peak memory consumption was 754.8 MB. Max. memory is 16.1 GB. [2020-11-29 18:52:22,497 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 83.9 MB. Free memory was 45.8 MB in the beginning and 45.8 MB in the end (delta: 12.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 18:52:22,498 INFO L168 Benchmark]: CACSL2BoogieTranslator took 613.82 ms. Allocated memory was 83.9 MB in the beginning and 111.1 MB in the end (delta: 27.3 MB). Free memory was 51.2 MB in the beginning and 77.9 MB in the end (delta: -26.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-29 18:52:22,501 INFO L168 Benchmark]: Boogie Procedure Inliner took 77.74 ms. Allocated memory is still 111.1 MB. Free memory was 77.9 MB in the beginning and 75.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 18:52:22,501 INFO L168 Benchmark]: Boogie Preprocessor took 55.77 ms. Allocated memory is still 111.1 MB. Free memory was 75.7 MB in the beginning and 73.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 18:52:22,502 INFO L168 Benchmark]: RCFGBuilder took 1706.97 ms. Allocated memory is still 111.1 MB. Free memory was 73.7 MB in the beginning and 50.5 MB in the end (delta: 23.2 MB). Peak memory consumption was 42.4 MB. Max. memory is 16.1 GB. [2020-11-29 18:52:22,502 INFO L168 Benchmark]: CodeCheck took 134340.06 ms. Allocated memory was 111.1 MB in the beginning and 1.6 GB in the end (delta: 1.5 GB). Free memory was 50.5 MB in the beginning and 806.0 MB in the end (delta: -755.5 MB). Peak memory consumption was 700.2 MB. Max. memory is 16.1 GB. [2020-11-29 18:52:22,503 INFO L168 Benchmark]: Witness Printer took 216.45 ms. Allocated memory is still 1.6 GB. Free memory was 806.0 MB in the beginning and 777.7 MB in the end (delta: 28.3 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.1 GB. [2020-11-29 18:52:22,505 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 7 procedures, 49 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 133.8s, OverallIterations: 66, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: -86228992 SDtfs, -2005743104 SDslu, -1322663936 SDs, 0 SdLazy, 1318571520 SolverSat, 2091514368 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 141.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 42032 GetRequests, 41103 SyntacticMatches, 136 SemanticMatches, 793 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 315752 ImplicationChecksByTransitivity, 121.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.3s SsaConstructionTime, 1.9s SatisfiabilityAnalysisTime, 15.2s InterpolantComputationTime, 3483 NumberOfCodeBlocks, 3483 NumberOfCodeBlocksAsserted, 66 NumberOfCheckSat, 3342 ConstructedInterpolants, 0 QuantifiedInterpolants, 491572 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 65 InterpolantComputations, 34 PerfectInterpolantSequences, 1890/2064 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 - CounterExampleResult [Line: 3]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L49] int waterLevel = 1; [L50] int methaneLevelCritical = 0; [L312] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L509] int cleanupTimeShifts = 4; [L650] int methAndRunningLastTime ; [L759] int pumpRunning = 0; [L760] int systemActive = 1; [L590] int retValue_acc ; [L591] int tmp ; [L639] int retValue_acc ; [L642] retValue_acc = 1 [L643] return (retValue_acc); [L597] tmp = valid_product() [L599] COND TRUE \read(tmp) [L655] methAndRunningLastTime = 0 [L691] int splverifierCounter ; [L692] int tmp ; [L693] int tmp___0 ; [L694] int tmp___1 ; [L695] int tmp___2 ; [L698] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L700] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L702] COND TRUE splverifierCounter < 4 [L708] tmp = __VERIFIER_nondet_int() [L710] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L712] CALL waterRise() VAL [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L67] COND TRUE waterLevel < 2 [L68] waterLevel = waterLevel + 1 [L712] RET waterRise() VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L718] tmp___0 = __VERIFIER_nondet_int() [L720] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L728] tmp___2 = __VERIFIER_nondet_int() [L730] COND TRUE \read(tmp___2) VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L745] CALL timeShift() VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L766] COND FALSE !(\read(pumpRunning)) VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L773] COND TRUE \read(systemActive) [L795] int tmp ; VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L798] COND TRUE ! pumpRunning [L910] int retValue_acc ; [L911] int tmp ; [L912] int tmp___0 ; [L129] int retValue_acc ; [L132] COND FALSE !(waterLevel < 2) [L136] retValue_acc = 0 [L137] return (retValue_acc); [L916] tmp = isHighWaterSensorDry() [L918] COND FALSE !(\read(tmp)) [L921] tmp___0 = 1 [L923] retValue_acc = tmp___0 [L924] return (retValue_acc); [L800] tmp = isHighWaterLevel() [L802] COND TRUE \read(tmp) [L829] int tmp ; [L854] int retValue_acc ; VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L858] CALL, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L88] int retValue_acc ; [L91] retValue_acc = methaneLevelCritical [L92] return (retValue_acc); [L858] RET, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L858] retValue_acc = isMethaneLevelCritical() [L860] return (retValue_acc); [L833] tmp = isMethaneAlarm() [L835] COND FALSE !(\read(tmp)) [L823] pumpRunning = 1 VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L660] int tmp ; [L661] int tmp___0 ; VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L665] CALL, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L88] int retValue_acc ; [L91] retValue_acc = methaneLevelCritical [L92] return (retValue_acc); [L665] RET, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L665] tmp = isMethaneLevelCritical() [L667] COND FALSE !(\read(tmp)) [L683] methAndRunningLastTime = 0 VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L745] RET timeShift() VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L700] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L702] COND TRUE splverifierCounter < 4 [L708] tmp = __VERIFIER_nondet_int() [L710] COND FALSE !(\read(tmp)) VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L718] tmp___0 = __VERIFIER_nondet_int() [L720] COND TRUE \read(tmp___0) VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L722] CALL changeMethaneLevel() VAL [\old(methaneLevelCritical)=0, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L79] COND FALSE !(\read(methaneLevelCritical)) [L82] methaneLevelCritical = 1 [L722] RET changeMethaneLevel() VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L728] tmp___2 = __VERIFIER_nondet_int() [L730] COND TRUE \read(tmp___2) VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L745] CALL timeShift() VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L766] COND TRUE \read(pumpRunning) [L55] COND TRUE waterLevel > 0 [L56] waterLevel = waterLevel - 1 VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L773] COND TRUE \read(systemActive) [L795] int tmp ; VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L798] COND FALSE !(! pumpRunning) VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L813] FCALL processEnvironment__wrappee__base() VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L660] int tmp ; [L661] int tmp___0 ; VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L665] CALL, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L88] int retValue_acc ; [L91] retValue_acc = methaneLevelCritical [L92] return (retValue_acc); [L665] RET, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L665] tmp = isMethaneLevelCritical() [L667] COND TRUE \read(tmp) [L865] int retValue_acc ; [L868] retValue_acc = pumpRunning [L869] return (retValue_acc); [L669] tmp___0 = isPumpRunning() [L671] COND TRUE \read(tmp___0) VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L672] COND FALSE !(\read(methAndRunningLastTime)) [L677] methAndRunningLastTime = 1 VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L745] RET timeShift() VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L700] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L702] COND TRUE splverifierCounter < 4 [L708] tmp = __VERIFIER_nondet_int() [L710] COND FALSE !(\read(tmp)) VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L718] tmp___0 = __VERIFIER_nondet_int() [L720] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L728] tmp___2 = __VERIFIER_nondet_int() [L730] COND FALSE !(\read(tmp___2)) [L734] tmp___1 = __VERIFIER_nondet_int() [L736] COND FALSE !(\read(tmp___1)) VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L745] CALL timeShift() VAL [\old(methAndRunningLastTime)=1, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L766] COND TRUE \read(pumpRunning) [L55] COND TRUE waterLevel > 0 [L56] waterLevel = waterLevel - 1 VAL [\old(methAndRunningLastTime)=1, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L773] COND TRUE \read(systemActive) [L795] int tmp ; VAL [\old(methAndRunningLastTime)=1, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L798] COND FALSE !(! pumpRunning) VAL [\old(methAndRunningLastTime)=1, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L813] FCALL processEnvironment__wrappee__base() VAL [\old(methAndRunningLastTime)=1, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L660] int tmp ; [L661] int tmp___0 ; VAL [\old(methAndRunningLastTime)=1, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L665] CALL, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=1, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L88] int retValue_acc ; [L91] retValue_acc = methaneLevelCritical [L92] return (retValue_acc); [L665] RET, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=1, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L665] tmp = isMethaneLevelCritical() [L667] COND TRUE \read(tmp) [L865] int retValue_acc ; [L868] retValue_acc = pumpRunning [L869] return (retValue_acc); [L669] tmp___0 = isPumpRunning() [L671] COND TRUE \read(tmp___0) VAL [\old(methAndRunningLastTime)=1, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L672] COND TRUE \read(methAndRunningLastTime) VAL [\old(methAndRunningLastTime)=1, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L3] __assert_fail("0", "minepump_spec2_product43.cil.c", 3, "reach_error") VAL [\old(methAndRunningLastTime)=1, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 83.9 MB. Free memory was 45.8 MB in the beginning and 45.8 MB in the end (delta: 12.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 613.82 ms. Allocated memory was 83.9 MB in the beginning and 111.1 MB in the end (delta: 27.3 MB). Free memory was 51.2 MB in the beginning and 77.9 MB in the end (delta: -26.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 77.74 ms. Allocated memory is still 111.1 MB. Free memory was 77.9 MB in the beginning and 75.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 55.77 ms. Allocated memory is still 111.1 MB. Free memory was 75.7 MB in the beginning and 73.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1706.97 ms. Allocated memory is still 111.1 MB. Free memory was 73.7 MB in the beginning and 50.5 MB in the end (delta: 23.2 MB). Peak memory consumption was 42.4 MB. Max. memory is 16.1 GB. * CodeCheck took 134340.06 ms. Allocated memory was 111.1 MB in the beginning and 1.6 GB in the end (delta: 1.5 GB). Free memory was 50.5 MB in the beginning and 806.0 MB in the end (delta: -755.5 MB). Peak memory consumption was 700.2 MB. Max. memory is 16.1 GB. * Witness Printer took 216.45 ms. Allocated memory is still 1.6 GB. Free memory was 806.0 MB in the beginning and 777.7 MB in the end (delta: 28.3 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...