./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product44.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_c32e4748-82f4-46d2-9755-b5e03b206fed/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_c32e4748-82f4-46d2-9755-b5e03b206fed/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_c32e4748-82f4-46d2-9755-b5e03b206fed/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_c32e4748-82f4-46d2-9755-b5e03b206fed/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product44.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_c32e4748-82f4-46d2-9755-b5e03b206fed/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_c32e4748-82f4-46d2-9755-b5e03b206fed/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 d4eb13f545cea9ac583f40da9d0bc0269dc50786 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 21:59:51,813 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 21:59:51,815 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 21:59:51,889 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 21:59:51,889 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 21:59:51,893 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 21:59:51,897 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 21:59:51,904 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 21:59:51,907 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 21:59:51,912 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 21:59:51,914 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 21:59:51,916 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 21:59:51,916 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 21:59:51,920 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 21:59:51,921 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 21:59:51,924 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 21:59:51,925 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 21:59:51,926 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 21:59:51,931 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 21:59:51,938 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 21:59:51,940 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 21:59:51,942 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 21:59:51,944 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 21:59:51,945 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 21:59:51,953 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 21:59:51,954 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 21:59:51,954 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 21:59:51,956 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 21:59:51,957 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 21:59:51,958 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 21:59:51,958 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 21:59:51,959 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 21:59:51,961 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 21:59:51,962 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 21:59:51,963 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 21:59:51,964 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 21:59:51,964 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 21:59:51,965 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 21:59:51,965 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 21:59:51,966 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 21:59:51,966 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 21:59:51,970 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_c32e4748-82f4-46d2-9755-b5e03b206fed/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-11-29 21:59:52,011 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 21:59:52,012 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 21:59:52,013 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-29 21:59:52,014 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-11-29 21:59:52,014 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 21:59:52,014 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 21:59:52,015 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 21:59:52,015 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 21:59:52,015 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 21:59:52,015 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 21:59:52,016 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 21:59:52,017 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-29 21:59:52,017 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-29 21:59:52,017 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-29 21:59:52,017 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 21:59:52,018 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 21:59:52,018 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 21:59:52,018 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-29 21:59:52,018 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-29 21:59:52,018 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-29 21:59:52,019 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 21:59:52,019 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-29 21:59:52,019 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-29 21:59:52,019 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 21:59:52,019 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-29 21:59:52,020 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-29 21:59:52,020 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-11-29 21:59:52,020 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-29 21:59:52,020 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-29 21:59:52,022 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_c32e4748-82f4-46d2-9755-b5e03b206fed/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_c32e4748-82f4-46d2-9755-b5e03b206fed/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d4eb13f545cea9ac583f40da9d0bc0269dc50786 [2020-11-29 21:59:52,271 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 21:59:52,289 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 21:59:52,291 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 21:59:52,292 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 21:59:52,293 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 21:59:52,294 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_c32e4748-82f4-46d2-9755-b5e03b206fed/bin/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec1_product44.cil.c [2020-11-29 21:59:52,387 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_c32e4748-82f4-46d2-9755-b5e03b206fed/bin/ukojak/data/5375a8225/b07a76edd9df40938ef7e16071b6529e/FLAG26e461a5e [2020-11-29 21:59:52,869 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 21:59:52,870 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_c32e4748-82f4-46d2-9755-b5e03b206fed/sv-benchmarks/c/product-lines/minepump_spec1_product44.cil.c [2020-11-29 21:59:52,883 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_c32e4748-82f4-46d2-9755-b5e03b206fed/bin/ukojak/data/5375a8225/b07a76edd9df40938ef7e16071b6529e/FLAG26e461a5e [2020-11-29 21:59:53,359 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_c32e4748-82f4-46d2-9755-b5e03b206fed/bin/ukojak/data/5375a8225/b07a76edd9df40938ef7e16071b6529e [2020-11-29 21:59:53,362 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 21:59:53,363 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 21:59:53,365 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 21:59:53,365 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 21:59:53,368 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 21:59:53,368 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 09:59:53" (1/1) ... [2020-11-29 21:59:53,369 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@624e7599 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:59:53, skipping insertion in model container [2020-11-29 21:59:53,370 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 09:59:53" (1/1) ... [2020-11-29 21:59:53,377 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 21:59:53,422 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 21:59:53,741 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 21:59:53,763 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 21:59:53,904 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 21:59:53,944 INFO L208 MainTranslator]: Completed translation [2020-11-29 21:59:53,945 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:59:53 WrapperNode [2020-11-29 21:59:53,945 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 21:59:53,947 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 21:59:53,947 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 21:59:53,947 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 21:59:53,955 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:59:53" (1/1) ... [2020-11-29 21:59:53,982 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:59:53" (1/1) ... [2020-11-29 21:59:54,017 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 21:59:54,018 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 21:59:54,018 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 21:59:54,018 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 21:59:54,026 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:59:53" (1/1) ... [2020-11-29 21:59:54,027 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:59:53" (1/1) ... [2020-11-29 21:59:54,030 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:59:53" (1/1) ... [2020-11-29 21:59:54,031 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:59:53" (1/1) ... [2020-11-29 21:59:54,038 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:59:53" (1/1) ... [2020-11-29 21:59:54,043 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:59:53" (1/1) ... [2020-11-29 21:59:54,046 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:59:53" (1/1) ... [2020-11-29 21:59:54,050 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 21:59:54,051 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 21:59:54,051 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 21:59:54,051 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 21:59:54,052 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:59:53" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c32e4748-82f4-46d2-9755-b5e03b206fed/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 21:59:54,133 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 21:59:54,133 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-11-29 21:59:54,133 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-11-29 21:59:54,133 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-11-29 21:59:54,133 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-11-29 21:59:54,134 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-11-29 21:59:54,134 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-11-29 21:59:54,134 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-11-29 21:59:54,134 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-11-29 21:59:54,134 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-11-29 21:59:54,134 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-11-29 21:59:54,134 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-29 21:59:54,135 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-11-29 21:59:54,135 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-11-29 21:59:54,135 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 21:59:54,135 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 21:59:55,885 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 21:59:55,886 INFO L298 CfgBuilder]: Removed 46 assume(true) statements. [2020-11-29 21:59:55,888 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 09:59:55 BoogieIcfgContainer [2020-11-29 21:59:55,888 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 21:59:55,889 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-11-29 21:59:55,889 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-11-29 21:59:55,900 INFO L275 PluginConnector]: CodeCheck initialized [2020-11-29 21:59:55,901 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 09:59:55" (1/1) ... [2020-11-29 21:59:55,915 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 21:59:55,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:59:55,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 48 states and 63 transitions. [2020-11-29 21:59:55,969 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 63 transitions. [2020-11-29 21:59:55,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-11-29 21:59:55,976 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:59:56,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:59:56,243 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 21:59:56,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:59:56,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 48 states and 61 transitions. [2020-11-29 21:59:56,263 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 61 transitions. [2020-11-29 21:59:56,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-11-29 21:59:56,266 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:59:56,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:59:56,395 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 21:59:56,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:59:56,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 50 states and 64 transitions. [2020-11-29 21:59:56,417 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 64 transitions. [2020-11-29 21:59:56,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-11-29 21:59:56,418 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:59:56,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:59:56,580 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 21:59:56,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:59:56,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 63 states and 90 transitions. [2020-11-29 21:59:56,939 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 90 transitions. [2020-11-29 21:59:56,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-11-29 21:59:56,941 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:59:56,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:59:57,015 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 21:59:57,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:59:57,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 64 states and 91 transitions. [2020-11-29 21:59:57,041 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 91 transitions. [2020-11-29 21:59:57,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-11-29 21:59:57,044 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:59:57,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:59:57,145 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 21:59:57,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:59:57,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 74 states and 113 transitions. [2020-11-29 21:59:57,664 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 113 transitions. [2020-11-29 21:59:57,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-11-29 21:59:57,666 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:59:57,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:59:57,888 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 21:59:59,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:59:59,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 89 states and 142 transitions. [2020-11-29 21:59:59,330 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 142 transitions. [2020-11-29 21:59:59,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-11-29 21:59:59,332 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:59:59,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:59:59,370 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 21:59:59,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:59:59,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 89 states and 141 transitions. [2020-11-29 21:59:59,387 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 141 transitions. [2020-11-29 21:59:59,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-11-29 21:59:59,388 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:59:59,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:59:59,424 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 21:59:59,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:59:59,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 93 states and 146 transitions. [2020-11-29 21:59:59,456 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 146 transitions. [2020-11-29 21:59:59,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-11-29 21:59:59,457 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:59:59,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:59:59,491 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 21:59:59,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:59:59,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 94 states and 147 transitions. [2020-11-29 21:59:59,511 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 147 transitions. [2020-11-29 21:59:59,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-11-29 21:59:59,513 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:59:59,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:59:59,549 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 21:59:59,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:59:59,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 95 states and 150 transitions. [2020-11-29 21:59:59,652 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 150 transitions. [2020-11-29 21:59:59,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-11-29 21:59:59,654 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:59:59,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:59:59,719 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 21:59:59,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:59:59,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 96 states and 151 transitions. [2020-11-29 21:59:59,744 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 151 transitions. [2020-11-29 21:59:59,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-11-29 21:59:59,746 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:59:59,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:59:59,777 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 21:59:59,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:59:59,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 99 states and 158 transitions. [2020-11-29 21:59:59,979 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 158 transitions. [2020-11-29 21:59:59,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-11-29 21:59:59,980 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:00:00,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:00:00,297 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-11-29 22:00:01,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:00:01,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 108 states and 178 transitions. [2020-11-29 22:00:01,218 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 178 transitions. [2020-11-29 22:00:01,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-11-29 22:00:01,220 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:00:01,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:00:01,270 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 22:00:01,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:00:01,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 113 states and 190 transitions. [2020-11-29 22:00:01,654 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 190 transitions. [2020-11-29 22:00:01,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-11-29 22:00:01,656 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:00:01,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:00:01,709 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 22:00:01,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:00:01,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 114 states and 191 transitions. [2020-11-29 22:00:01,751 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 191 transitions. [2020-11-29 22:00:01,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-11-29 22:00:01,755 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:00:01,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:00:01,826 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 22:00:02,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:00:02,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 117 states and 198 transitions. [2020-11-29 22:00:02,298 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 198 transitions. [2020-11-29 22:00:02,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-11-29 22:00:02,301 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:00:02,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:00:02,526 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-11-29 22:00:04,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:00:04,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 126 states and 225 transitions. [2020-11-29 22:00:04,128 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 225 transitions. [2020-11-29 22:00:04,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-11-29 22:00:04,129 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:00:04,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:00:04,392 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-29 22:00:05,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:00:05,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 133 states and 240 transitions. [2020-11-29 22:00:05,435 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 240 transitions. [2020-11-29 22:00:05,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-11-29 22:00:05,437 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:00:05,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:00:05,491 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-29 22:00:05,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:00:05,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 135 states and 249 transitions. [2020-11-29 22:00:05,827 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 249 transitions. [2020-11-29 22:00:05,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-11-29 22:00:05,829 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:00:05,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:00:06,155 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 13 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-11-29 22:00:07,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:00:07,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 133 states and 241 transitions. [2020-11-29 22:00:07,263 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 241 transitions. [2020-11-29 22:00:07,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-11-29 22:00:07,264 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:00:07,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:00:07,343 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-29 22:00:07,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:00:07,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 134 states and 242 transitions. [2020-11-29 22:00:07,366 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 242 transitions. [2020-11-29 22:00:07,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-11-29 22:00:07,371 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:00:07,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:00:07,519 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-29 22:00:08,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:00:08,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 139 states and 254 transitions. [2020-11-29 22:00:08,480 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 254 transitions. [2020-11-29 22:00:08,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-11-29 22:00:08,483 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:00:08,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:00:08,579 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-11-29 22:00:08,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:00:08,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 141 states and 258 transitions. [2020-11-29 22:00:08,991 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 258 transitions. [2020-11-29 22:00:08,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-11-29 22:00:08,993 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:00:09,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:00:09,042 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 8 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-11-29 22:00:09,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:00:09,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 146 states and 268 transitions. [2020-11-29 22:00:09,338 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 268 transitions. [2020-11-29 22:00:09,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-11-29 22:00:09,340 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:00:09,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:00:09,892 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-11-29 22:00:14,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:00:14,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 159 states and 299 transitions. [2020-11-29 22:00:14,356 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 299 transitions. [2020-11-29 22:00:14,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-11-29 22:00:14,358 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:00:14,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 22:00:14,407 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 22:00:14,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 22:00:14,463 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 22:00:14,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 22:00:14,692 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 22:00:14,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 22:00:14,778 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 22:00:14,926 WARN L483 CodeCheckObserver]: This program is UNSAFE, Check terminated with 26 iterations. [2020-11-29 22:00:15,167 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 29.11 10:00:15 ImpRootNode [2020-11-29 22:00:15,167 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-11-29 22:00:15,168 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 22:00:15,168 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 22:00:15,168 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 22:00:15,177 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 09:59:55" (3/4) ... [2020-11-29 22:00:15,179 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-11-29 22:00:15,337 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_c32e4748-82f4-46d2-9755-b5e03b206fed/bin/ukojak/witness.graphml [2020-11-29 22:00:15,337 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 22:00:15,339 INFO L168 Benchmark]: Toolchain (without parser) took 21974.96 ms. Allocated memory was 92.3 MB in the beginning and 339.7 MB in the end (delta: 247.5 MB). Free memory was 60.6 MB in the beginning and 247.0 MB in the end (delta: -186.4 MB). Peak memory consumption was 61.4 MB. Max. memory is 16.1 GB. [2020-11-29 22:00:15,340 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 75.5 MB. Free memory was 38.4 MB in the beginning and 38.4 MB in the end (delta: 47.9 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 22:00:15,340 INFO L168 Benchmark]: CACSL2BoogieTranslator took 580.93 ms. Allocated memory is still 92.3 MB. Free memory was 60.4 MB in the beginning and 58.8 MB in the end (delta: 1.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-29 22:00:15,341 INFO L168 Benchmark]: Boogie Procedure Inliner took 70.23 ms. Allocated memory is still 92.3 MB. Free memory was 58.8 MB in the beginning and 56.2 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 22:00:15,341 INFO L168 Benchmark]: Boogie Preprocessor took 31.98 ms. Allocated memory is still 92.3 MB. Free memory was 56.2 MB in the beginning and 54.7 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 22:00:15,342 INFO L168 Benchmark]: RCFGBuilder took 1837.60 ms. Allocated memory was 92.3 MB in the beginning and 111.1 MB in the end (delta: 18.9 MB). Free memory was 54.2 MB in the beginning and 73.5 MB in the end (delta: -19.3 MB). Peak memory consumption was 37.2 MB. Max. memory is 16.1 GB. [2020-11-29 22:00:15,343 INFO L168 Benchmark]: CodeCheck took 19278.11 ms. Allocated memory was 111.1 MB in the beginning and 339.7 MB in the end (delta: 228.6 MB). Free memory was 73.5 MB in the beginning and 265.9 MB in the end (delta: -192.4 MB). Peak memory consumption was 37.3 MB. Max. memory is 16.1 GB. [2020-11-29 22:00:15,343 INFO L168 Benchmark]: Witness Printer took 169.57 ms. Allocated memory is still 339.7 MB. Free memory was 265.9 MB in the beginning and 247.0 MB in the end (delta: 18.9 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. [2020-11-29 22:00:15,345 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, 48 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 18.9s, OverallIterations: 26, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 844613520 SDtfs, 281569058 SDslu, 482170624 SDs, 0 SdLazy, 496053224 SolverSat, 166520846 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 18.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 8416 GetRequests, 8131 SyntacticMatches, 35 SemanticMatches, 250 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28356 ImplicationChecksByTransitivity, 14.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 2.5s InterpolantComputationTime, 856 NumberOfCodeBlocks, 856 NumberOfCodeBlocksAsserted, 26 NumberOfCheckSat, 779 ConstructedInterpolants, 0 QuantifiedInterpolants, 70536 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 25 InterpolantComputations, 16 PerfectInterpolantSequences, 157/187 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: [L220] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L500] int pumpRunning = 0; [L501] int systemActive = 1; [L695] int waterLevel = 1; [L696] int methaneLevelCritical = 0; [L853] int cleanupTimeShifts = 4; [L926] int retValue_acc ; [L927] int tmp ; [L844] int retValue_acc ; [L847] retValue_acc = 1 [L848] return (retValue_acc); [L933] tmp = valid_product() [L935] COND TRUE \read(tmp) [L424] int splverifierCounter ; [L425] int tmp ; [L426] int tmp___0 ; [L427] int tmp___1 ; [L428] int tmp___2 ; [L431] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L433] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L435] COND TRUE splverifierCounter < 4 [L441] tmp = __VERIFIER_nondet_int() [L443] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L445] CALL waterRise() VAL [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L713] COND TRUE waterLevel < 2 [L714] waterLevel = waterLevel + 1 [L445] RET waterRise() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L451] tmp___0 = __VERIFIER_nondet_int() [L453] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L461] tmp___2 = __VERIFIER_nondet_int() [L463] COND FALSE !(\read(tmp___2)) [L469] tmp___1 = __VERIFIER_nondet_int() [L471] COND FALSE !(\read(tmp___1)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L480] CALL timeShift() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L508] COND FALSE !(\read(pumpRunning)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L515] COND TRUE \read(systemActive) [L537] int tmp ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L540] COND TRUE ! pumpRunning [L652] int retValue_acc ; [L653] int tmp ; [L654] int tmp___0 ; [L775] int retValue_acc ; [L778] COND FALSE !(waterLevel < 2) [L782] retValue_acc = 0 [L783] return (retValue_acc); [L658] tmp = isHighWaterSensorDry() [L660] COND FALSE !(\read(tmp)) [L663] tmp___0 = 1 [L665] retValue_acc = tmp___0 [L666] return (retValue_acc); [L542] tmp = isHighWaterLevel() [L544] COND TRUE \read(tmp) [L571] int tmp ; [L596] int retValue_acc ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L600] CALL, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L734] int retValue_acc ; [L737] retValue_acc = methaneLevelCritical [L738] return (retValue_acc); [L600] RET, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L600] retValue_acc = isMethaneLevelCritical() [L602] return (retValue_acc); [L575] tmp = isMethaneAlarm() [L577] COND FALSE !(\read(tmp)) [L565] pumpRunning = 1 VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L790] int tmp ; [L791] int tmp___0 ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L795] CALL, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L734] int retValue_acc ; [L737] retValue_acc = methaneLevelCritical [L738] return (retValue_acc); [L795] RET, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L795] tmp = isMethaneLevelCritical() [L797] COND FALSE !(\read(tmp)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L480] RET timeShift() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L433] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L435] COND TRUE splverifierCounter < 4 [L441] tmp = __VERIFIER_nondet_int() [L443] COND FALSE !(\read(tmp)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L451] tmp___0 = __VERIFIER_nondet_int() [L453] COND TRUE \read(tmp___0) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L455] CALL changeMethaneLevel() VAL [\old(methaneLevelCritical)=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L725] COND FALSE !(\read(methaneLevelCritical)) [L728] methaneLevelCritical = 1 [L455] RET changeMethaneLevel() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L461] tmp___2 = __VERIFIER_nondet_int() [L463] COND TRUE \read(tmp___2) [L689] systemActive = 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L480] CALL timeShift() VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L508] COND TRUE \read(pumpRunning) [L701] COND TRUE waterLevel > 0 [L702] waterLevel = waterLevel - 1 VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L515] COND TRUE \read(systemActive) [L537] int tmp ; VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L540] COND FALSE !(! pumpRunning) VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L555] FCALL processEnvironment__wrappee__base() VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L790] int tmp ; [L791] int tmp___0 ; VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L795] CALL, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L734] int retValue_acc ; [L737] retValue_acc = methaneLevelCritical [L738] return (retValue_acc); [L795] RET, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L795] tmp = isMethaneLevelCritical() [L797] COND TRUE \read(tmp) [L607] int retValue_acc ; [L610] retValue_acc = pumpRunning [L611] return (retValue_acc); [L799] tmp___0 = isPumpRunning() [L801] COND TRUE \read(tmp___0) VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L3] __assert_fail("0", "minepump_spec1_product44.cil.c", 3, "reach_error") VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 75.5 MB. Free memory was 38.4 MB in the beginning and 38.4 MB in the end (delta: 47.9 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 580.93 ms. Allocated memory is still 92.3 MB. Free memory was 60.4 MB in the beginning and 58.8 MB in the end (delta: 1.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 70.23 ms. Allocated memory is still 92.3 MB. Free memory was 58.8 MB in the beginning and 56.2 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 31.98 ms. Allocated memory is still 92.3 MB. Free memory was 56.2 MB in the beginning and 54.7 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1837.60 ms. Allocated memory was 92.3 MB in the beginning and 111.1 MB in the end (delta: 18.9 MB). Free memory was 54.2 MB in the beginning and 73.5 MB in the end (delta: -19.3 MB). Peak memory consumption was 37.2 MB. Max. memory is 16.1 GB. * CodeCheck took 19278.11 ms. Allocated memory was 111.1 MB in the beginning and 339.7 MB in the end (delta: 228.6 MB). Free memory was 73.5 MB in the beginning and 265.9 MB in the end (delta: -192.4 MB). Peak memory consumption was 37.3 MB. Max. memory is 16.1 GB. * Witness Printer took 169.57 ms. Allocated memory is still 339.7 MB. Free memory was 265.9 MB in the beginning and 247.0 MB in the end (delta: 18.9 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...