./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product15.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_4799920b-cf9f-41e8-a010-70501209769e/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_4799920b-cf9f-41e8-a010-70501209769e/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_4799920b-cf9f-41e8-a010-70501209769e/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_4799920b-cf9f-41e8-a010-70501209769e/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product15.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_4799920b-cf9f-41e8-a010-70501209769e/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_4799920b-cf9f-41e8-a010-70501209769e/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 10f6db361160ad683c5ff0095ebb60e0648efb18 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-30 01:10:43,723 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-30 01:10:43,726 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-30 01:10:43,818 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-30 01:10:43,818 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-30 01:10:43,820 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-30 01:10:43,826 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-30 01:10:43,836 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-30 01:10:43,839 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-30 01:10:43,847 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-30 01:10:43,848 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-30 01:10:43,850 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-30 01:10:43,850 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-30 01:10:43,852 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-30 01:10:43,853 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-30 01:10:43,854 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-30 01:10:43,855 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-30 01:10:43,863 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-30 01:10:43,867 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-30 01:10:43,875 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-30 01:10:43,877 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-30 01:10:43,882 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-30 01:10:43,884 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-30 01:10:43,886 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-30 01:10:43,889 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-30 01:10:43,890 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-30 01:10:43,890 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-30 01:10:43,892 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-30 01:10:43,893 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-30 01:10:43,895 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-30 01:10:43,895 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-30 01:10:43,897 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-30 01:10:43,900 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-30 01:10:43,902 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-30 01:10:43,903 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-30 01:10:43,904 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-30 01:10:43,904 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-30 01:10:43,905 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-30 01:10:43,905 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-30 01:10:43,906 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-30 01:10:43,907 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-30 01:10:43,910 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_4799920b-cf9f-41e8-a010-70501209769e/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-11-30 01:10:43,952 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-30 01:10:43,953 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-30 01:10:43,954 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-30 01:10:43,954 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-11-30 01:10:43,955 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-30 01:10:43,955 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-30 01:10:43,956 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-30 01:10:43,956 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-30 01:10:43,956 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-30 01:10:43,956 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-30 01:10:43,958 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-30 01:10:43,958 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-30 01:10:43,959 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-30 01:10:43,959 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-30 01:10:43,959 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-30 01:10:43,959 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-30 01:10:43,960 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-30 01:10:43,960 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-30 01:10:43,960 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-30 01:10:43,960 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-30 01:10:43,960 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-30 01:10:43,961 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-30 01:10:43,961 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-30 01:10:43,961 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-30 01:10:43,961 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-30 01:10:43,962 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-30 01:10:43,962 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-11-30 01:10:43,962 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-30 01:10:43,962 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-30 01:10:43,962 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_4799920b-cf9f-41e8-a010-70501209769e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_4799920b-cf9f-41e8-a010-70501209769e/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 10f6db361160ad683c5ff0095ebb60e0648efb18 [2020-11-30 01:10:44,255 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-30 01:10:44,302 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-30 01:10:44,305 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-30 01:10:44,306 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-30 01:10:44,307 INFO L275 PluginConnector]: CDTParser initialized [2020-11-30 01:10:44,308 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_4799920b-cf9f-41e8-a010-70501209769e/bin/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec4_product15.cil.c [2020-11-30 01:10:44,384 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_4799920b-cf9f-41e8-a010-70501209769e/bin/ukojak/data/51c5ed28a/6ded468ed99844e5ad05672ae3ae600b/FLAG5f33fbae8 [2020-11-30 01:10:44,952 INFO L306 CDTParser]: Found 1 translation units. [2020-11-30 01:10:44,953 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_4799920b-cf9f-41e8-a010-70501209769e/sv-benchmarks/c/product-lines/minepump_spec4_product15.cil.c [2020-11-30 01:10:44,964 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_4799920b-cf9f-41e8-a010-70501209769e/bin/ukojak/data/51c5ed28a/6ded468ed99844e5ad05672ae3ae600b/FLAG5f33fbae8 [2020-11-30 01:10:45,261 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_4799920b-cf9f-41e8-a010-70501209769e/bin/ukojak/data/51c5ed28a/6ded468ed99844e5ad05672ae3ae600b [2020-11-30 01:10:45,266 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-30 01:10:45,269 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-30 01:10:45,273 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-30 01:10:45,274 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-30 01:10:45,278 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-30 01:10:45,279 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 01:10:45" (1/1) ... [2020-11-30 01:10:45,281 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23022493 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:10:45, skipping insertion in model container [2020-11-30 01:10:45,282 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 01:10:45" (1/1) ... [2020-11-30 01:10:45,289 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-30 01:10:45,359 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 01:10:45,702 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 01:10:45,712 INFO L203 MainTranslator]: Completed pre-run [2020-11-30 01:10:45,784 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 01:10:45,811 INFO L208 MainTranslator]: Completed translation [2020-11-30 01:10:45,811 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:10:45 WrapperNode [2020-11-30 01:10:45,811 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-30 01:10:45,812 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-30 01:10:45,813 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-30 01:10:45,813 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-30 01:10:45,820 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:10:45" (1/1) ... [2020-11-30 01:10:45,843 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:10:45" (1/1) ... [2020-11-30 01:10:45,878 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-30 01:10:45,879 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-30 01:10:45,879 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-30 01:10:45,879 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-30 01:10:45,890 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:10:45" (1/1) ... [2020-11-30 01:10:45,890 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:10:45" (1/1) ... [2020-11-30 01:10:45,894 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:10:45" (1/1) ... [2020-11-30 01:10:45,897 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:10:45" (1/1) ... [2020-11-30 01:10:45,911 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:10:45" (1/1) ... [2020-11-30 01:10:45,929 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:10:45" (1/1) ... [2020-11-30 01:10:45,932 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:10:45" (1/1) ... [2020-11-30 01:10:45,935 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-30 01:10:45,936 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-30 01:10:45,936 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-30 01:10:45,936 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-30 01:10:45,938 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:10:45" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4799920b-cf9f-41e8-a010-70501209769e/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 01:10:45,998 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-30 01:10:45,998 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-11-30 01:10:45,998 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-11-30 01:10:45,998 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-11-30 01:10:45,998 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-11-30 01:10:45,998 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-11-30 01:10:45,998 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-11-30 01:10:45,999 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-11-30 01:10:45,999 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-11-30 01:10:45,999 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-11-30 01:10:45,999 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-11-30 01:10:45,999 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-11-30 01:10:45,999 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-11-30 01:10:45,999 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-30 01:10:45,999 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-11-30 01:10:45,999 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-11-30 01:10:45,999 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-30 01:10:45,999 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-30 01:10:47,398 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-30 01:10:47,398 INFO L298 CfgBuilder]: Removed 36 assume(true) statements. [2020-11-30 01:10:47,401 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:10:47 BoogieIcfgContainer [2020-11-30 01:10:47,401 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-30 01:10:47,402 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-11-30 01:10:47,402 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-11-30 01:10:47,414 INFO L275 PluginConnector]: CodeCheck initialized [2020-11-30 01:10:47,415 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:10:47" (1/1) ... [2020-11-30 01:10:47,429 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:10:47,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:10:47,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 54 states and 72 transitions. [2020-11-30 01:10:47,481 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 72 transitions. [2020-11-30 01:10:47,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-11-30 01:10:47,485 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:10:47,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:10:47,860 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 01:10:47,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:10:47,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 54 states and 70 transitions. [2020-11-30 01:10:47,886 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 70 transitions. [2020-11-30 01:10:47,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-11-30 01:10:47,888 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:10:47,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:10:48,032 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 01:10:48,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:10:48,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 56 states and 73 transitions. [2020-11-30 01:10:48,063 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 73 transitions. [2020-11-30 01:10:48,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-11-30 01:10:48,065 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:10:48,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:10:48,211 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 01:10:48,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:10:48,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 66 states and 93 transitions. [2020-11-30 01:10:48,481 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 93 transitions. [2020-11-30 01:10:48,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-11-30 01:10:48,482 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:10:48,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:10:48,529 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 01:10:48,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:10:48,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 67 states and 94 transitions. [2020-11-30 01:10:48,540 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 94 transitions. [2020-11-30 01:10:48,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-11-30 01:10:48,543 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:10:48,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:10:48,655 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 01:10:48,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:10:48,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 68 states and 95 transitions. [2020-11-30 01:10:48,669 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 95 transitions. [2020-11-30 01:10:48,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-11-30 01:10:48,670 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:10:48,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:10:48,716 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 01:10:48,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:10:48,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 69 states and 96 transitions. [2020-11-30 01:10:48,726 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 96 transitions. [2020-11-30 01:10:48,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-11-30 01:10:48,728 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:10:48,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:10:48,829 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 01:10:49,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:10:49,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 83 states and 129 transitions. [2020-11-30 01:10:49,511 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 129 transitions. [2020-11-30 01:10:49,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-11-30 01:10:49,513 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:10:49,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:10:49,643 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:10:50,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:10:50,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 92 states and 151 transitions. [2020-11-30 01:10:50,276 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 151 transitions. [2020-11-30 01:10:50,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-11-30 01:10:50,278 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:10:50,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:10:50,332 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 01:10:50,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:10:50,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 93 states and 152 transitions. [2020-11-30 01:10:50,451 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 152 transitions. [2020-11-30 01:10:50,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-11-30 01:10:50,453 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:10:50,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:10:50,486 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 01:10:50,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:10:50,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 102 states and 169 transitions. [2020-11-30 01:10:50,770 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 169 transitions. [2020-11-30 01:10:50,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-11-30 01:10:50,772 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:10:50,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:10:50,816 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 01:10:50,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:10:50,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 103 states and 170 transitions. [2020-11-30 01:10:50,849 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 170 transitions. [2020-11-30 01:10:50,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-11-30 01:10:50,854 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:10:50,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:10:50,892 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 01:10:51,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:10:51,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 105 states and 171 transitions. [2020-11-30 01:10:51,049 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 171 transitions. [2020-11-30 01:10:51,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-11-30 01:10:51,051 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:10:51,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:10:51,083 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-30 01:10:51,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:10:51,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 111 states and 183 transitions. [2020-11-30 01:10:51,197 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 183 transitions. [2020-11-30 01:10:51,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-11-30 01:10:51,198 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:10:51,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:10:51,255 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-30 01:10:51,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:10:51,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 112 states and 184 transitions. [2020-11-30 01:10:51,282 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 184 transitions. [2020-11-30 01:10:51,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-11-30 01:10:51,283 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:10:51,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:10:51,334 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-30 01:10:51,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:10:51,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 113 states and 187 transitions. [2020-11-30 01:10:51,484 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 187 transitions. [2020-11-30 01:10:51,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-11-30 01:10:51,485 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:10:51,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:10:51,519 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-30 01:10:51,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:10:51,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 114 states and 190 transitions. [2020-11-30 01:10:51,541 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 190 transitions. [2020-11-30 01:10:51,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-11-30 01:10:51,542 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:10:51,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:10:51,572 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-30 01:10:51,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:10:51,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 117 states and 198 transitions. [2020-11-30 01:10:51,860 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 198 transitions. [2020-11-30 01:10:51,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-11-30 01:10:51,861 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:10:51,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:10:51,895 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-30 01:10:52,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:10:52,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 122 states and 206 transitions. [2020-11-30 01:10:52,107 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 206 transitions. [2020-11-30 01:10:52,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-11-30 01:10:52,109 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:10:52,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:10:52,139 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-30 01:10:52,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:10:52,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 123 states and 206 transitions. [2020-11-30 01:10:52,148 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 206 transitions. [2020-11-30 01:10:52,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-11-30 01:10:52,149 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:10:52,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:10:52,234 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-11-30 01:10:52,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:10:52,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 134 states and 241 transitions. [2020-11-30 01:10:52,938 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 241 transitions. [2020-11-30 01:10:52,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-11-30 01:10:52,940 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:10:52,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:10:52,996 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-11-30 01:10:53,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:10:53,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 136 states and 246 transitions. [2020-11-30 01:10:53,409 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 246 transitions. [2020-11-30 01:10:53,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-11-30 01:10:53,416 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:10:53,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:10:53,449 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-11-30 01:10:53,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:10:53,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 137 states and 246 transitions. [2020-11-30 01:10:53,460 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 246 transitions. [2020-11-30 01:10:53,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-11-30 01:10:53,461 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:10:53,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:10:53,839 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:10:56,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:10:56,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 145 states and 268 transitions. [2020-11-30 01:10:56,007 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 268 transitions. [2020-11-30 01:10:56,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-11-30 01:10:56,008 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:10:56,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:10:56,050 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-11-30 01:10:56,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:10:56,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 146 states and 269 transitions. [2020-11-30 01:10:56,089 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 269 transitions. [2020-11-30 01:10:56,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-11-30 01:10:56,092 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:10:56,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:10:56,139 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-11-30 01:10:56,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:10:56,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 147 states and 270 transitions. [2020-11-30 01:10:56,167 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 270 transitions. [2020-11-30 01:10:56,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-11-30 01:10:56,168 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:10:56,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:10:56,215 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-11-30 01:10:56,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:10:56,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 148 states and 268 transitions. [2020-11-30 01:10:56,558 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 268 transitions. [2020-11-30 01:10:56,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-11-30 01:10:56,562 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:10:56,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:10:56,608 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-11-30 01:10:57,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:10:57,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 151 states and 269 transitions. [2020-11-30 01:10:57,280 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 269 transitions. [2020-11-30 01:10:57,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-11-30 01:10:57,281 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:10:57,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:10:57,332 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-11-30 01:10:57,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:10:57,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 151 states and 266 transitions. [2020-11-30 01:10:57,623 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 266 transitions. [2020-11-30 01:10:57,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-11-30 01:10:57,624 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:10:57,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:10:57,654 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-11-30 01:10:57,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:10:57,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 156 states and 275 transitions. [2020-11-30 01:10:57,682 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 275 transitions. [2020-11-30 01:10:57,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-11-30 01:10:57,683 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:10:57,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:10:57,714 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-11-30 01:10:57,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:10:57,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 157 states and 275 transitions. [2020-11-30 01:10:57,725 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 275 transitions. [2020-11-30 01:10:57,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-11-30 01:10:57,726 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:10:57,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:10:57,758 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-11-30 01:10:57,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:10:57,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 158 states and 275 transitions. [2020-11-30 01:10:57,778 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 275 transitions. [2020-11-30 01:10:57,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-11-30 01:10:57,779 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:10:57,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:10:57,813 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-11-30 01:10:57,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:10:57,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 159 states and 276 transitions. [2020-11-30 01:10:57,834 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 276 transitions. [2020-11-30 01:10:57,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-11-30 01:10:57,836 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:10:57,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:10:57,885 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-11-30 01:10:57,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:10:57,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 68 states and 98 transitions. [2020-11-30 01:10:57,906 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 98 transitions. [2020-11-30 01:10:57,907 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-30 01:10:57,907 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 34 iterations. [2020-11-30 01:10:57,914 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2020-11-30 01:10:58,313 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-30 01:10:58,322 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-30 01:10:58,322 INFO L569 CodeCheckObserver]: Invariant with dag size 10 [2020-11-30 01:10:58,326 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-30 01:10:58,327 INFO L569 CodeCheckObserver]: Invariant with dag size 15 [2020-11-30 01:10:58,332 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-30 01:10:58,333 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-30 01:10:58,333 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-30 01:10:58,333 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-30 01:10:58,333 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-30 01:10:58,333 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-30 01:10:58,334 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-30 01:10:58,334 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-30 01:10:58,334 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 30.11 01:10:58 ImpRootNode [2020-11-30 01:10:58,334 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-11-30 01:10:58,335 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-30 01:10:58,335 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-30 01:10:58,335 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-30 01:10:58,336 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:10:47" (3/4) ... [2020-11-30 01:10:58,346 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-30 01:10:58,361 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2020-11-30 01:10:58,361 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2020-11-30 01:10:58,361 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2020-11-30 01:10:58,362 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2020-11-30 01:10:58,362 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2020-11-30 01:10:58,362 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2020-11-30 01:10:58,362 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2020-11-30 01:10:58,370 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 57 nodes and edges [2020-11-30 01:10:58,371 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-11-30 01:10:58,372 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2020-11-30 01:10:58,372 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-11-30 01:10:58,373 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-30 01:10:58,373 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-30 01:10:58,374 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-30 01:10:58,401 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\old(waterLevel) == waterLevel && pumpRunning == \old(pumpRunning)) || (pumpRunning == \old(pumpRunning) && !(0 == systemActive))) || !(pumpRunning == 0) [2020-11-30 01:10:58,438 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_4799920b-cf9f-41e8-a010-70501209769e/bin/ukojak/witness.graphml [2020-11-30 01:10:58,438 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-30 01:10:58,442 INFO L168 Benchmark]: Toolchain (without parser) took 13170.67 ms. Allocated memory was 88.1 MB in the beginning and 207.6 MB in the end (delta: 119.5 MB). Free memory was 50.9 MB in the beginning and 120.6 MB in the end (delta: -69.7 MB). Peak memory consumption was 48.6 MB. Max. memory is 16.1 GB. [2020-11-30 01:10:58,443 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 88.1 MB. Free memory is still 68.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 01:10:58,444 INFO L168 Benchmark]: CACSL2BoogieTranslator took 538.51 ms. Allocated memory is still 88.1 MB. Free memory was 50.7 MB in the beginning and 55.7 MB in the end (delta: -5.0 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-11-30 01:10:58,444 INFO L168 Benchmark]: Boogie Procedure Inliner took 65.65 ms. Allocated memory is still 88.1 MB. Free memory was 55.7 MB in the beginning and 53.1 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-30 01:10:58,445 INFO L168 Benchmark]: Boogie Preprocessor took 56.28 ms. Allocated memory is still 88.1 MB. Free memory was 53.1 MB in the beginning and 51.2 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-30 01:10:58,446 INFO L168 Benchmark]: RCFGBuilder took 1465.29 ms. Allocated memory was 88.1 MB in the beginning and 107.0 MB in the end (delta: 18.9 MB). Free memory was 51.2 MB in the beginning and 41.0 MB in the end (delta: 10.3 MB). Peak memory consumption was 29.7 MB. Max. memory is 16.1 GB. [2020-11-30 01:10:58,447 INFO L168 Benchmark]: CodeCheck took 10932.56 ms. Allocated memory was 107.0 MB in the beginning and 207.6 MB in the end (delta: 100.7 MB). Free memory was 40.4 MB in the beginning and 125.8 MB in the end (delta: -85.4 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2020-11-30 01:10:58,447 INFO L168 Benchmark]: Witness Printer took 103.63 ms. Allocated memory is still 207.6 MB. Free memory was 124.8 MB in the beginning and 120.6 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-30 01:10:58,449 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 8 procedures, 54 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 10.4s, OverallIterations: 34, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1884925324 SDtfs, 1362695004 SDslu, 1523410124 SDs, 0 SdLazy, 507955228 SolverSat, -439993140 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 17.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 10017 GetRequests, 9831 SyntacticMatches, 30 SemanticMatches, 156 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10327 ImplicationChecksByTransitivity, 6.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 1017 NumberOfCodeBlocks, 1017 NumberOfCodeBlocksAsserted, 33 NumberOfCheckSat, 984 ConstructedInterpolants, 0 QuantifiedInterpolants, 76418 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 33 InterpolantComputations, 27 PerfectInterpolantSequences, 263/288 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 104]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 863]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 863]: Loop Invariant Derived loop invariant: (waterLevel == 1 && tmp == systemActive) && pumpRunning == 0 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 175]: Loop Invariant Derived loop invariant: ((\old(waterLevel) == waterLevel && pumpRunning == \old(pumpRunning)) || (pumpRunning == \old(pumpRunning) && !(0 == systemActive))) || !(pumpRunning == 0) - InvariantResult [Line: 183]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 885]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 262]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 140]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 885]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 792]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 782]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 103]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 88.1 MB. Free memory is still 68.1 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 538.51 ms. Allocated memory is still 88.1 MB. Free memory was 50.7 MB in the beginning and 55.7 MB in the end (delta: -5.0 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 65.65 ms. Allocated memory is still 88.1 MB. Free memory was 55.7 MB in the beginning and 53.1 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 56.28 ms. Allocated memory is still 88.1 MB. Free memory was 53.1 MB in the beginning and 51.2 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1465.29 ms. Allocated memory was 88.1 MB in the beginning and 107.0 MB in the end (delta: 18.9 MB). Free memory was 51.2 MB in the beginning and 41.0 MB in the end (delta: 10.3 MB). Peak memory consumption was 29.7 MB. Max. memory is 16.1 GB. * CodeCheck took 10932.56 ms. Allocated memory was 107.0 MB in the beginning and 207.6 MB in the end (delta: 100.7 MB). Free memory was 40.4 MB in the beginning and 125.8 MB in the end (delta: -85.4 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Witness Printer took 103.63 ms. Allocated memory is still 207.6 MB. Free memory was 124.8 MB in the beginning and 120.6 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...