./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product34.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_a54b1d7a-5a20-4e2f-86d3-58d413f31196/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_a54b1d7a-5a20-4e2f-86d3-58d413f31196/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_a54b1d7a-5a20-4e2f-86d3-58d413f31196/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_a54b1d7a-5a20-4e2f-86d3-58d413f31196/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product34.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_a54b1d7a-5a20-4e2f-86d3-58d413f31196/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_a54b1d7a-5a20-4e2f-86d3-58d413f31196/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 2eef58443d1776324fbe6fef82cb6eff424772d8 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 [2020-11-30 01:11:37,777 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-30 01:11:37,780 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-30 01:11:37,831 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-30 01:11:37,832 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-30 01:11:37,838 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-30 01:11:37,846 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-30 01:11:37,855 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-30 01:11:37,857 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-30 01:11:37,865 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-30 01:11:37,867 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-30 01:11:37,873 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-30 01:11:37,874 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-30 01:11:37,875 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-30 01:11:37,876 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-30 01:11:37,877 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-30 01:11:37,878 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-30 01:11:37,879 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-30 01:11:37,882 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-30 01:11:37,884 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-30 01:11:37,886 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-30 01:11:37,887 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-30 01:11:37,889 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-30 01:11:37,890 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-30 01:11:37,898 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-30 01:11:37,899 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-30 01:11:37,900 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-30 01:11:37,901 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-30 01:11:37,902 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-30 01:11:37,904 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-30 01:11:37,904 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-30 01:11:37,906 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-30 01:11:37,908 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-30 01:11:37,909 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-30 01:11:37,910 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-30 01:11:37,911 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-30 01:11:37,912 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-30 01:11:37,912 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-30 01:11:37,912 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-30 01:11:37,913 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-30 01:11:37,914 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-30 01:11:37,915 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_a54b1d7a-5a20-4e2f-86d3-58d413f31196/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-11-30 01:11:37,956 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-30 01:11:37,960 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-30 01:11:37,962 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-30 01:11:37,962 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-11-30 01:11:37,963 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-30 01:11:37,963 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-30 01:11:37,963 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-30 01:11:37,964 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-30 01:11:37,964 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-30 01:11:37,964 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-30 01:11:37,965 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-30 01:11:37,966 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-30 01:11:37,966 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-30 01:11:37,966 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-30 01:11:37,966 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-30 01:11:37,967 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-30 01:11:37,967 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-30 01:11:37,967 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-30 01:11:37,967 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-30 01:11:37,967 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-30 01:11:37,968 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-30 01:11:37,968 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-30 01:11:37,968 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-30 01:11:37,969 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-30 01:11:37,969 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-30 01:11:37,969 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-30 01:11:37,969 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-11-30 01:11:37,969 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-30 01:11:37,970 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-30 01:11:37,970 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_a54b1d7a-5a20-4e2f-86d3-58d413f31196/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_a54b1d7a-5a20-4e2f-86d3-58d413f31196/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2eef58443d1776324fbe6fef82cb6eff424772d8 [2020-11-30 01:11:38,285 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-30 01:11:38,332 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-30 01:11:38,337 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-30 01:11:38,339 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-30 01:11:38,340 INFO L275 PluginConnector]: CDTParser initialized [2020-11-30 01:11:38,341 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_a54b1d7a-5a20-4e2f-86d3-58d413f31196/bin/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec2_product34.cil.c [2020-11-30 01:11:38,428 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a54b1d7a-5a20-4e2f-86d3-58d413f31196/bin/ukojak/data/5eaa2a86a/ee431bf9cb8947ac88293955b4f49b08/FLAGaf6469100 [2020-11-30 01:11:39,031 INFO L306 CDTParser]: Found 1 translation units. [2020-11-30 01:11:39,031 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_a54b1d7a-5a20-4e2f-86d3-58d413f31196/sv-benchmarks/c/product-lines/minepump_spec2_product34.cil.c [2020-11-30 01:11:39,049 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a54b1d7a-5a20-4e2f-86d3-58d413f31196/bin/ukojak/data/5eaa2a86a/ee431bf9cb8947ac88293955b4f49b08/FLAGaf6469100 [2020-11-30 01:11:39,335 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_a54b1d7a-5a20-4e2f-86d3-58d413f31196/bin/ukojak/data/5eaa2a86a/ee431bf9cb8947ac88293955b4f49b08 [2020-11-30 01:11:39,341 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-30 01:11:39,343 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-30 01:11:39,352 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-30 01:11:39,352 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-30 01:11:39,356 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-30 01:11:39,358 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 01:11:39" (1/1) ... [2020-11-30 01:11:39,361 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49aad8ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:11:39, skipping insertion in model container [2020-11-30 01:11:39,362 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 01:11:39" (1/1) ... [2020-11-30 01:11:39,369 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-30 01:11:39,439 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 01:11:39,861 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 01:11:39,878 INFO L203 MainTranslator]: Completed pre-run [2020-11-30 01:11:40,010 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 01:11:40,045 INFO L208 MainTranslator]: Completed translation [2020-11-30 01:11:40,046 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:11:40 WrapperNode [2020-11-30 01:11:40,046 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-30 01:11:40,047 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-30 01:11:40,048 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-30 01:11:40,048 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-30 01:11:40,056 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:11:40" (1/1) ... [2020-11-30 01:11:40,084 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:11:40" (1/1) ... [2020-11-30 01:11:40,117 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-30 01:11:40,118 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-30 01:11:40,118 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-30 01:11:40,118 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-30 01:11:40,136 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:11:40" (1/1) ... [2020-11-30 01:11:40,136 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:11:40" (1/1) ... [2020-11-30 01:11:40,151 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:11:40" (1/1) ... [2020-11-30 01:11:40,151 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:11:40" (1/1) ... [2020-11-30 01:11:40,161 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:11:40" (1/1) ... [2020-11-30 01:11:40,177 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:11:40" (1/1) ... [2020-11-30 01:11:40,190 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:11:40" (1/1) ... [2020-11-30 01:11:40,198 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-30 01:11:40,199 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-30 01:11:40,199 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-30 01:11:40,199 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-30 01:11:40,203 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:11:40" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a54b1d7a-5a20-4e2f-86d3-58d413f31196/bin/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-30 01:11:40,266 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-30 01:11:40,266 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-11-30 01:11:40,267 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-11-30 01:11:40,267 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-11-30 01:11:40,268 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-11-30 01:11:40,268 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-11-30 01:11:40,268 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-11-30 01:11:40,268 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-11-30 01:11:40,268 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-11-30 01:11:40,269 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-11-30 01:11:40,269 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-11-30 01:11:40,269 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-30 01:11:40,270 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-11-30 01:11:40,270 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-11-30 01:11:40,270 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-30 01:11:40,270 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-30 01:11:41,728 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-30 01:11:41,728 INFO L298 CfgBuilder]: Removed 40 assume(true) statements. [2020-11-30 01:11:41,730 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:11:41 BoogieIcfgContainer [2020-11-30 01:11:41,730 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-30 01:11:41,731 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-11-30 01:11:41,731 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-11-30 01:11:41,747 INFO L275 PluginConnector]: CodeCheck initialized [2020-11-30 01:11:41,747 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:11:41" (1/1) ... [2020-11-30 01:11:41,763 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:11:41,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:11:41,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 47 states and 62 transitions. [2020-11-30 01:11:41,809 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 62 transitions. [2020-11-30 01:11:41,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-11-30 01:11:41,816 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:11:41,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:11:42,126 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:11:42,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:11:42,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 47 states and 60 transitions. [2020-11-30 01:11:42,146 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 60 transitions. [2020-11-30 01:11:42,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-11-30 01:11:42,149 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:11:42,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:11:42,330 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:11:42,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:11:42,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 49 states and 63 transitions. [2020-11-30 01:11:42,365 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 63 transitions. [2020-11-30 01:11:42,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-11-30 01:11:42,367 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:11:42,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:11:42,541 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:11:42,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:11:42,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 62 states and 89 transitions. [2020-11-30 01:11:42,864 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 89 transitions. [2020-11-30 01:11:42,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-11-30 01:11:42,865 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:11:42,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:11:42,982 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:11:43,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:11:43,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 63 states and 90 transitions. [2020-11-30 01:11:43,005 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 90 transitions. [2020-11-30 01:11:43,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-11-30 01:11:43,007 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:11:43,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:11:43,172 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:11:43,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:11:43,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 74 states and 116 transitions. [2020-11-30 01:11:43,768 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 116 transitions. [2020-11-30 01:11:43,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-11-30 01:11:43,771 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:11:43,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:11:43,866 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:11:44,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:11:44,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 82 states and 135 transitions. [2020-11-30 01:11:44,410 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 135 transitions. [2020-11-30 01:11:44,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-11-30 01:11:44,412 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:11:44,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:11:44,463 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:11:44,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:11:44,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 84 states and 138 transitions. [2020-11-30 01:11:44,706 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 138 transitions. [2020-11-30 01:11:44,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-11-30 01:11:44,707 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:11:44,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:11:44,808 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:11:45,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:11:45,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 100 states and 180 transitions. [2020-11-30 01:11:45,741 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 180 transitions. [2020-11-30 01:11:45,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-11-30 01:11:45,749 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:11:45,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:11:45,798 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:11:46,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:11:46,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 102 states and 183 transitions. [2020-11-30 01:11:46,168 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 183 transitions. [2020-11-30 01:11:46,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-11-30 01:11:46,171 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:11:46,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:11:46,205 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:11:46,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:11:46,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 105 states and 186 transitions. [2020-11-30 01:11:46,459 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 186 transitions. [2020-11-30 01:11:46,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-11-30 01:11:46,461 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:11:46,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:11:46,501 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:11:46,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:11:46,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 107 states and 188 transitions. [2020-11-30 01:11:46,630 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 188 transitions. [2020-11-30 01:11:46,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-11-30 01:11:46,631 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:11:46,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:11:46,659 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:11:47,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:11:47,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 112 states and 201 transitions. [2020-11-30 01:11:47,065 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 201 transitions. [2020-11-30 01:11:47,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-11-30 01:11:47,067 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:11:47,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:11:47,110 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:11:47,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:11:47,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 113 states and 201 transitions. [2020-11-30 01:11:47,341 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 201 transitions. [2020-11-30 01:11:47,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-11-30 01:11:47,342 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:11:47,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:11:47,376 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:11:47,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:11:47,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 116 states and 207 transitions. [2020-11-30 01:11:47,777 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 207 transitions. [2020-11-30 01:11:47,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-11-30 01:11:47,778 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:11:47,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:11:47,811 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:11:48,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:11:48,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 119 states and 210 transitions. [2020-11-30 01:11:48,198 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 210 transitions. [2020-11-30 01:11:48,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-11-30 01:11:48,200 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:11:48,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:11:48,231 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-30 01:11:49,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:11:49,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 125 states and 225 transitions. [2020-11-30 01:11:49,134 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 225 transitions. [2020-11-30 01:11:49,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-11-30 01:11:49,136 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:11:49,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:11:49,685 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-11-30 01:11:51,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:11:51,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 128 states and 233 transitions. [2020-11-30 01:11:51,100 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 233 transitions. [2020-11-30 01:11:51,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-11-30 01:11:51,101 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:11:51,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:11:51,147 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-30 01:11:51,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:11:51,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 132 states and 241 transitions. [2020-11-30 01:11:51,373 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 241 transitions. [2020-11-30 01:11:51,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-11-30 01:11:51,376 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:11:51,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:11:52,002 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-11-30 01:11:55,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:11:55,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 147 states and 285 transitions. [2020-11-30 01:11:55,184 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 285 transitions. [2020-11-30 01:11:55,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-11-30 01:11:55,186 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:11:55,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:11:55,224 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-30 01:11:56,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:11:56,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 150 states and 292 transitions. [2020-11-30 01:11:56,153 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 292 transitions. [2020-11-30 01:11:56,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-11-30 01:11:56,155 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:11:56,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:11:56,188 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-30 01:11:57,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:11:57,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 157 states and 303 transitions. [2020-11-30 01:11:57,535 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 303 transitions. [2020-11-30 01:11:57,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-11-30 01:11:57,537 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:11:57,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:11:57,599 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-30 01:11:58,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:11:58,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 164 states and 322 transitions. [2020-11-30 01:11:58,251 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 322 transitions. [2020-11-30 01:11:58,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-11-30 01:11:58,254 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:11:58,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:11:58,310 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 10 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-11-30 01:11:58,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:11:58,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 165 states and 323 transitions. [2020-11-30 01:11:58,345 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 323 transitions. [2020-11-30 01:11:58,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-11-30 01:11:58,347 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:11:58,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:11:58,659 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-30 01:12:00,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:12:00,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 170 states and 333 transitions. [2020-11-30 01:12:00,586 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 333 transitions. [2020-11-30 01:12:00,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-11-30 01:12:00,587 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:12:00,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:12:01,384 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-30 01:12:07,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:12:07,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 181 states and 365 transitions. [2020-11-30 01:12:07,304 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 365 transitions. [2020-11-30 01:12:07,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-11-30 01:12:07,306 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:12:07,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:12:07,345 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-30 01:12:07,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:12:07,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 182 states and 367 transitions. [2020-11-30 01:12:07,787 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 367 transitions. [2020-11-30 01:12:07,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-11-30 01:12:07,789 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:12:07,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:12:07,985 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-11-30 01:12:10,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:12:10,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 191 states and 394 transitions. [2020-11-30 01:12:10,442 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 394 transitions. [2020-11-30 01:12:10,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-11-30 01:12:10,445 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:12:10,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:12:10,485 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-11-30 01:12:11,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:12:11,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 191 states and 393 transitions. [2020-11-30 01:12:11,104 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 393 transitions. [2020-11-30 01:12:11,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-11-30 01:12:11,106 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:12:11,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:12:11,156 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-11-30 01:12:11,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:12:11,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 405 states to 194 states and 399 transitions. [2020-11-30 01:12:11,873 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 399 transitions. [2020-11-30 01:12:11,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-11-30 01:12:11,876 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:12:11,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:12:11,919 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-30 01:12:12,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:12:12,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 196 states and 403 transitions. [2020-11-30 01:12:12,656 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 403 transitions. [2020-11-30 01:12:12,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-11-30 01:12:12,659 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:12:12,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:12:12,696 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-30 01:12:13,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:12:13,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 415 states to 199 states and 409 transitions. [2020-11-30 01:12:13,699 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 409 transitions. [2020-11-30 01:12:13,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-11-30 01:12:13,701 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:12:13,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:12:14,495 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 8 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-11-30 01:12:19,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:12:19,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 211 states and 435 transitions. [2020-11-30 01:12:19,287 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 435 transitions. [2020-11-30 01:12:19,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-11-30 01:12:19,290 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:12:19,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:12:19,919 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-11-30 01:12:23,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:12:23,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 500 states to 225 states and 489 transitions. [2020-11-30 01:12:23,422 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 489 transitions. [2020-11-30 01:12:23,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-11-30 01:12:23,425 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:12:23,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:12:23,457 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-30 01:12:24,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:12:24,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 506 states to 227 states and 492 transitions. [2020-11-30 01:12:24,100 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 492 transitions. [2020-11-30 01:12:24,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-11-30 01:12:24,103 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:12:24,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:12:24,135 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-30 01:12:24,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:12:24,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 507 states to 228 states and 493 transitions. [2020-11-30 01:12:24,162 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 493 transitions. [2020-11-30 01:12:24,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-11-30 01:12:24,165 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:12:24,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:12:24,204 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 8 proven. 9 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-11-30 01:12:25,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:12:25,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 516 states to 232 states and 502 transitions. [2020-11-30 01:12:25,191 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 502 transitions. [2020-11-30 01:12:25,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-11-30 01:12:25,193 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:12:25,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:12:25,494 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-30 01:12:25,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:12:25,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 520 states to 233 states and 506 transitions. [2020-11-30 01:12:25,978 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 506 transitions. [2020-11-30 01:12:25,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-11-30 01:12:25,979 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:12:25,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:12:26,015 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-30 01:12:26,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:12:26,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 520 states to 233 states and 506 transitions. [2020-11-30 01:12:26,053 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 506 transitions. [2020-11-30 01:12:26,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-11-30 01:12:26,055 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:12:26,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:12:26,092 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-30 01:12:26,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:12:26,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 520 states to 233 states and 506 transitions. [2020-11-30 01:12:26,113 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 506 transitions. [2020-11-30 01:12:26,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-11-30 01:12:26,115 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:12:26,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:12:26,200 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-30 01:12:26,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:12:26,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 520 states to 233 states and 506 transitions. [2020-11-30 01:12:26,215 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 506 transitions. [2020-11-30 01:12:26,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-11-30 01:12:26,217 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:12:26,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:12:26,252 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-30 01:12:26,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:12:26,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 520 states to 233 states and 506 transitions. [2020-11-30 01:12:26,276 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 506 transitions. [2020-11-30 01:12:26,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-11-30 01:12:26,278 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:12:26,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:12:26,311 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-30 01:12:26,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:12:26,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 520 states to 233 states and 506 transitions. [2020-11-30 01:12:26,330 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 506 transitions. [2020-11-30 01:12:26,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-11-30 01:12:26,332 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:12:26,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:12:26,363 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-30 01:12:26,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:12:26,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 520 states to 233 states and 506 transitions. [2020-11-30 01:12:26,381 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 506 transitions. [2020-11-30 01:12:26,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-11-30 01:12:26,383 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:12:26,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:12:26,414 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-30 01:12:26,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:12:26,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 520 states to 233 states and 506 transitions. [2020-11-30 01:12:26,435 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 506 transitions. [2020-11-30 01:12:26,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-11-30 01:12:26,437 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:12:26,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:12:26,470 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-30 01:12:26,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:12:26,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 520 states to 233 states and 506 transitions. [2020-11-30 01:12:26,490 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 506 transitions. [2020-11-30 01:12:26,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-11-30 01:12:26,491 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:12:26,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:12:26,529 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-30 01:12:26,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:12:26,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 520 states to 233 states and 506 transitions. [2020-11-30 01:12:26,548 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 506 transitions. [2020-11-30 01:12:26,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-11-30 01:12:26,551 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:12:26,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:12:26,597 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-30 01:12:26,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:12:26,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 520 states to 233 states and 506 transitions. [2020-11-30 01:12:26,617 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 506 transitions. [2020-11-30 01:12:26,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-11-30 01:12:26,619 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:12:26,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:12:26,656 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-30 01:12:26,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:12:26,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 520 states to 233 states and 506 transitions. [2020-11-30 01:12:26,675 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 506 transitions. [2020-11-30 01:12:26,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-11-30 01:12:26,677 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:12:26,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:12:26,713 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-30 01:12:26,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:12:26,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 520 states to 233 states and 506 transitions. [2020-11-30 01:12:26,733 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 506 transitions. [2020-11-30 01:12:26,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-11-30 01:12:26,735 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:12:26,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 01:12:26,815 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 01:12:26,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 01:12:26,906 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 01:12:27,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 01:12:27,231 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 01:12:27,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 01:12:27,328 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 01:12:27,482 WARN L483 CodeCheckObserver]: This program is UNSAFE, Check terminated with 50 iterations. [2020-11-30 01:12:27,705 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 30.11 01:12:27 ImpRootNode [2020-11-30 01:12:27,705 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-11-30 01:12:27,706 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-30 01:12:27,706 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-30 01:12:27,706 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-30 01:12:27,706 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:11:41" (3/4) ... [2020-11-30 01:12:27,708 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-11-30 01:12:27,937 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_a54b1d7a-5a20-4e2f-86d3-58d413f31196/bin/ukojak/witness.graphml [2020-11-30 01:12:27,938 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-30 01:12:27,940 INFO L168 Benchmark]: Toolchain (without parser) took 48595.85 ms. Allocated memory was 100.7 MB in the beginning and 645.9 MB in the end (delta: 545.3 MB). Free memory was 71.9 MB in the beginning and 320.0 MB in the end (delta: -248.1 MB). Peak memory consumption was 296.9 MB. Max. memory is 16.1 GB. [2020-11-30 01:12:27,941 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 79.7 MB. Free memory was 38.0 MB in the beginning and 38.0 MB in the end (delta: 41.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 01:12:27,944 INFO L168 Benchmark]: CACSL2BoogieTranslator took 694.54 ms. Allocated memory is still 100.7 MB. Free memory was 71.7 MB in the beginning and 67.4 MB in the end (delta: 4.3 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-30 01:12:27,944 INFO L168 Benchmark]: Boogie Procedure Inliner took 70.08 ms. Allocated memory is still 100.7 MB. Free memory was 67.4 MB in the beginning and 64.9 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-30 01:12:27,945 INFO L168 Benchmark]: Boogie Preprocessor took 80.29 ms. Allocated memory is still 100.7 MB. Free memory was 64.9 MB in the beginning and 63.2 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-30 01:12:27,946 INFO L168 Benchmark]: RCFGBuilder took 1531.35 ms. Allocated memory was 100.7 MB in the beginning and 121.6 MB in the end (delta: 21.0 MB). Free memory was 63.2 MB in the beginning and 74.4 MB in the end (delta: -11.2 MB). Peak memory consumption was 23.8 MB. Max. memory is 16.1 GB. [2020-11-30 01:12:27,947 INFO L168 Benchmark]: CodeCheck took 45973.89 ms. Allocated memory was 121.6 MB in the beginning and 645.9 MB in the end (delta: 524.3 MB). Free memory was 74.4 MB in the beginning and 341.0 MB in the end (delta: -266.6 MB). Peak memory consumption was 257.0 MB. Max. memory is 16.1 GB. [2020-11-30 01:12:27,947 INFO L168 Benchmark]: Witness Printer took 232.34 ms. Allocated memory is still 645.9 MB. Free memory was 341.0 MB in the beginning and 320.0 MB in the end (delta: 21.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.1 GB. [2020-11-30 01:12:27,950 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, 47 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 45.7s, OverallIterations: 50, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: -682917888 SDtfs, 653524992 SDslu, 433586176 SDs, 0 SdLazy, 485335040 SolverSat, 1536565248 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 65.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 23089 GetRequests, 22563 SyntacticMatches, 73 SemanticMatches, 453 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 94570 ImplicationChecksByTransitivity, 38.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.2s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 5.3s InterpolantComputationTime, 1973 NumberOfCodeBlocks, 1973 NumberOfCodeBlocksAsserted, 50 NumberOfCheckSat, 1873 ConstructedInterpolants, 0 QuantifiedInterpolants, 178825 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 49 InterpolantComputations, 27 PerfectInterpolantSequences, 488/547 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: [L42] int cleanupTimeShifts = 4; [L153] int waterLevel = 1; [L154] int methaneLevelCritical = 0; [L257] int methAndRunningLastTime ; [L500] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L767] int pumpRunning = 0; [L768] int systemActive = 1; [L125] int retValue_acc ; [L126] int tmp ; [L322] int retValue_acc ; [L325] retValue_acc = 1 [L326] return (retValue_acc); [L132] tmp = valid_product() [L134] COND TRUE \read(tmp) [L262] methAndRunningLastTime = 0 [L699] int splverifierCounter ; [L700] int tmp ; [L701] int tmp___0 ; [L702] int tmp___1 ; [L703] int tmp___2 ; [L706] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L708] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L710] COND TRUE splverifierCounter < 4 [L716] tmp = __VERIFIER_nondet_int() [L718] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L720] CALL waterRise() VAL [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L171] COND TRUE waterLevel < 2 [L172] waterLevel = waterLevel + 1 [L720] RET waterRise() VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L726] tmp___0 = __VERIFIER_nondet_int() [L728] COND TRUE \read(tmp___0) VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L730] CALL changeMethaneLevel() VAL [\old(methaneLevelCritical)=0, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L183] COND FALSE !(\read(methaneLevelCritical)) [L186] methaneLevelCritical = 1 [L730] RET changeMethaneLevel() VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L736] tmp___2 = __VERIFIER_nondet_int() [L738] COND FALSE !(\read(tmp___2)) [L744] tmp___1 = __VERIFIER_nondet_int() [L746] COND TRUE \read(tmp___1) VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L753] CALL timeShift() VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L774] COND FALSE !(\read(pumpRunning)) VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L781] COND TRUE \read(systemActive) [L803] int tmp ; VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L806] COND TRUE ! pumpRunning [L900] int retValue_acc ; [L901] int tmp ; [L902] int tmp___0 ; [L233] int retValue_acc ; [L236] COND FALSE !(waterLevel < 2) [L240] retValue_acc = 0 [L241] return (retValue_acc); [L906] tmp = isHighWaterSensorDry() [L908] COND FALSE !(\read(tmp)) [L911] tmp___0 = 1 [L913] retValue_acc = tmp___0 [L914] return (retValue_acc); [L808] tmp = isHighWaterLevel() [L810] COND TRUE \read(tmp) [L831] pumpRunning = 1 VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L267] int tmp ; [L268] int tmp___0 ; VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L272] CALL, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L192] int retValue_acc ; [L195] retValue_acc = methaneLevelCritical [L196] return (retValue_acc); [L272] RET, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L272] tmp = isMethaneLevelCritical() [L274] COND TRUE \read(tmp) [L855] int retValue_acc ; [L858] retValue_acc = pumpRunning [L859] return (retValue_acc); [L276] tmp___0 = isPumpRunning() [L278] COND TRUE \read(tmp___0) VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L279] COND FALSE !(\read(methAndRunningLastTime)) [L284] methAndRunningLastTime = 1 VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L753] RET timeShift() VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L708] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L710] COND TRUE splverifierCounter < 4 [L716] tmp = __VERIFIER_nondet_int() [L718] COND FALSE !(\read(tmp)) VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L726] tmp___0 = __VERIFIER_nondet_int() [L728] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L736] tmp___2 = __VERIFIER_nondet_int() [L738] COND TRUE \read(tmp___2) [L922] systemActive = 1 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L753] CALL timeShift() VAL [\old(methAndRunningLastTime)=1, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L774] COND TRUE \read(pumpRunning) [L159] COND TRUE waterLevel > 0 [L160] waterLevel = waterLevel - 1 VAL [\old(methAndRunningLastTime)=1, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L781] COND TRUE \read(systemActive) [L803] int tmp ; VAL [\old(methAndRunningLastTime)=1, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L806] COND FALSE !(! pumpRunning) VAL [\old(methAndRunningLastTime)=1, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L821] FCALL processEnvironment__wrappee__base() VAL [\old(methAndRunningLastTime)=1, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L267] int tmp ; [L268] int tmp___0 ; VAL [\old(methAndRunningLastTime)=1, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L272] CALL, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=1, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L192] int retValue_acc ; [L195] retValue_acc = methaneLevelCritical [L196] return (retValue_acc); [L272] RET, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=1, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L272] tmp = isMethaneLevelCritical() [L274] COND TRUE \read(tmp) [L855] int retValue_acc ; [L858] retValue_acc = pumpRunning [L859] return (retValue_acc); [L276] tmp___0 = isPumpRunning() [L278] COND TRUE \read(tmp___0) VAL [\old(methAndRunningLastTime)=1, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L279] COND TRUE \read(methAndRunningLastTime) VAL [\old(methAndRunningLastTime)=1, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L3] __assert_fail("0", "minepump_spec2_product34.cil.c", 3, "reach_error") VAL [\old(methAndRunningLastTime)=1, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 79.7 MB. Free memory was 38.0 MB in the beginning and 38.0 MB in the end (delta: 41.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 694.54 ms. Allocated memory is still 100.7 MB. Free memory was 71.7 MB in the beginning and 67.4 MB in the end (delta: 4.3 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 70.08 ms. Allocated memory is still 100.7 MB. Free memory was 67.4 MB in the beginning and 64.9 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 80.29 ms. Allocated memory is still 100.7 MB. Free memory was 64.9 MB in the beginning and 63.2 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1531.35 ms. Allocated memory was 100.7 MB in the beginning and 121.6 MB in the end (delta: 21.0 MB). Free memory was 63.2 MB in the beginning and 74.4 MB in the end (delta: -11.2 MB). Peak memory consumption was 23.8 MB. Max. memory is 16.1 GB. * CodeCheck took 45973.89 ms. Allocated memory was 121.6 MB in the beginning and 645.9 MB in the end (delta: 524.3 MB). Free memory was 74.4 MB in the beginning and 341.0 MB in the end (delta: -266.6 MB). Peak memory consumption was 257.0 MB. Max. memory is 16.1 GB. * Witness Printer took 232.34 ms. Allocated memory is still 645.9 MB. Free memory was 341.0 MB in the beginning and 320.0 MB in the end (delta: 21.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...