./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product41.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_ec19fd9a-a100-4d00-992e-0f860065fdb1/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_ec19fd9a-a100-4d00-992e-0f860065fdb1/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_ec19fd9a-a100-4d00-992e-0f860065fdb1/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_ec19fd9a-a100-4d00-992e-0f860065fdb1/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product41.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_ec19fd9a-a100-4d00-992e-0f860065fdb1/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_ec19fd9a-a100-4d00-992e-0f860065fdb1/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 64b6967f526946e3373ac9378676a7e29d538a50 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 19:42:00,752 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 19:42:00,755 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 19:42:00,829 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 19:42:00,830 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 19:42:00,837 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 19:42:00,845 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 19:42:00,855 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 19:42:00,858 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 19:42:00,865 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 19:42:00,867 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 19:42:00,870 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 19:42:00,870 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 19:42:00,875 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 19:42:00,877 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 19:42:00,880 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 19:42:00,882 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 19:42:00,886 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 19:42:00,891 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 19:42:00,900 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 19:42:00,903 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 19:42:00,905 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 19:42:00,908 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 19:42:00,909 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 19:42:00,920 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 19:42:00,921 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 19:42:00,922 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 19:42:00,926 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 19:42:00,927 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 19:42:00,928 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 19:42:00,928 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 19:42:00,929 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 19:42:00,930 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 19:42:00,931 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 19:42:00,932 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 19:42:00,933 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 19:42:00,933 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 19:42:00,934 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 19:42:00,934 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 19:42:00,935 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 19:42:00,936 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 19:42:00,937 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_ec19fd9a-a100-4d00-992e-0f860065fdb1/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-11-29 19:42:00,965 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 19:42:00,966 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 19:42:00,967 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-29 19:42:00,967 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-11-29 19:42:00,968 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 19:42:00,968 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 19:42:00,969 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 19:42:00,969 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 19:42:00,969 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 19:42:00,970 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 19:42:00,970 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 19:42:00,970 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-29 19:42:00,970 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-29 19:42:00,971 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-29 19:42:00,971 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 19:42:00,971 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 19:42:00,971 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 19:42:00,972 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-29 19:42:00,972 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-29 19:42:00,972 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-29 19:42:00,973 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 19:42:00,973 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-29 19:42:00,973 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-29 19:42:00,974 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 19:42:00,974 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-29 19:42:00,974 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-29 19:42:00,974 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-11-29 19:42:00,975 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-29 19:42:00,975 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-29 19:42:00,975 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_ec19fd9a-a100-4d00-992e-0f860065fdb1/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_ec19fd9a-a100-4d00-992e-0f860065fdb1/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 64b6967f526946e3373ac9378676a7e29d538a50 [2020-11-29 19:42:01,291 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 19:42:01,334 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 19:42:01,338 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 19:42:01,340 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 19:42:01,342 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 19:42:01,344 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_ec19fd9a-a100-4d00-992e-0f860065fdb1/bin/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec2_product41.cil.c [2020-11-29 19:42:01,454 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ec19fd9a-a100-4d00-992e-0f860065fdb1/bin/ukojak/data/6c724a6ce/8ef01599acae48fab000b6a1c5a4237e/FLAG321a91840 [2020-11-29 19:42:02,231 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 19:42:02,232 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_ec19fd9a-a100-4d00-992e-0f860065fdb1/sv-benchmarks/c/product-lines/minepump_spec2_product41.cil.c [2020-11-29 19:42:02,247 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ec19fd9a-a100-4d00-992e-0f860065fdb1/bin/ukojak/data/6c724a6ce/8ef01599acae48fab000b6a1c5a4237e/FLAG321a91840 [2020-11-29 19:42:02,465 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_ec19fd9a-a100-4d00-992e-0f860065fdb1/bin/ukojak/data/6c724a6ce/8ef01599acae48fab000b6a1c5a4237e [2020-11-29 19:42:02,468 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 19:42:02,470 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 19:42:02,481 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 19:42:02,481 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 19:42:02,486 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 19:42:02,488 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 07:42:02" (1/1) ... [2020-11-29 19:42:02,492 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7266fffa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:42:02, skipping insertion in model container [2020-11-29 19:42:02,493 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 07:42:02" (1/1) ... [2020-11-29 19:42:02,502 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 19:42:02,585 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 19:42:03,052 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 19:42:03,064 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 19:42:03,201 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 19:42:03,248 INFO L208 MainTranslator]: Completed translation [2020-11-29 19:42:03,248 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:42:03 WrapperNode [2020-11-29 19:42:03,249 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 19:42:03,250 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 19:42:03,251 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 19:42:03,251 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 19:42:03,260 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:42:03" (1/1) ... [2020-11-29 19:42:03,301 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:42:03" (1/1) ... [2020-11-29 19:42:03,340 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 19:42:03,341 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 19:42:03,341 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 19:42:03,341 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 19:42:03,351 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:42:03" (1/1) ... [2020-11-29 19:42:03,351 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:42:03" (1/1) ... [2020-11-29 19:42:03,355 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:42:03" (1/1) ... [2020-11-29 19:42:03,355 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:42:03" (1/1) ... [2020-11-29 19:42:03,364 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:42:03" (1/1) ... [2020-11-29 19:42:03,370 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:42:03" (1/1) ... [2020-11-29 19:42:03,372 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:42:03" (1/1) ... [2020-11-29 19:42:03,377 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 19:42:03,378 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 19:42:03,378 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 19:42:03,378 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 19:42:03,379 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:42:03" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ec19fd9a-a100-4d00-992e-0f860065fdb1/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 19:42:03,458 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 19:42:03,458 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-11-29 19:42:03,459 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-11-29 19:42:03,459 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-11-29 19:42:03,459 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-11-29 19:42:03,459 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-11-29 19:42:03,460 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-11-29 19:42:03,460 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-11-29 19:42:03,460 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-11-29 19:42:03,460 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-11-29 19:42:03,461 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-11-29 19:42:03,461 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-29 19:42:03,461 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-11-29 19:42:03,461 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-11-29 19:42:03,462 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 19:42:03,462 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 19:42:05,318 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 19:42:05,318 INFO L298 CfgBuilder]: Removed 42 assume(true) statements. [2020-11-29 19:42:05,321 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 07:42:05 BoogieIcfgContainer [2020-11-29 19:42:05,321 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 19:42:05,322 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-11-29 19:42:05,322 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-11-29 19:42:05,336 INFO L275 PluginConnector]: CodeCheck initialized [2020-11-29 19:42:05,336 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 07:42:05" (1/1) ... [2020-11-29 19:42:05,348 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:42:05,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:42:05,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 49 states and 65 transitions. [2020-11-29 19:42:05,397 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 65 transitions. [2020-11-29 19:42:05,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-11-29 19:42:05,403 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:42:05,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:42:05,757 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 19:42:05,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:42:05,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 49 states and 63 transitions. [2020-11-29 19:42:05,782 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 63 transitions. [2020-11-29 19:42:05,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-11-29 19:42:05,786 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:42:05,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:42:05,953 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 19:42:05,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:42:05,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 51 states and 66 transitions. [2020-11-29 19:42:05,991 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 66 transitions. [2020-11-29 19:42:05,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-11-29 19:42:05,992 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:42:06,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:42:06,150 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 19:42:06,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:42:06,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 60 states and 84 transitions. [2020-11-29 19:42:06,428 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 84 transitions. [2020-11-29 19:42:06,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-29 19:42:06,430 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:42:06,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:42:06,619 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 19:42:07,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:42:07,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 70 states and 105 transitions. [2020-11-29 19:42:07,071 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 105 transitions. [2020-11-29 19:42:07,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-11-29 19:42:07,073 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:42:07,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:42:07,172 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:42:07,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:42:07,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 71 states and 106 transitions. [2020-11-29 19:42:07,190 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 106 transitions. [2020-11-29 19:42:07,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-11-29 19:42:07,192 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:42:07,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:42:07,247 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 19:42:07,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:42:07,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 72 states and 107 transitions. [2020-11-29 19:42:07,264 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 107 transitions. [2020-11-29 19:42:07,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-11-29 19:42:07,266 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:42:07,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:42:07,497 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 19:42:08,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:42:08,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 88 states and 140 transitions. [2020-11-29 19:42:08,308 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 140 transitions. [2020-11-29 19:42:08,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-11-29 19:42:08,311 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:42:08,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:42:08,361 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 19:42:08,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:42:08,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 89 states and 141 transitions. [2020-11-29 19:42:08,386 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 141 transitions. [2020-11-29 19:42:08,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-11-29 19:42:08,388 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:42:08,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:42:08,448 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 19:42:08,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:42:08,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 90 states and 142 transitions. [2020-11-29 19:42:08,481 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 142 transitions. [2020-11-29 19:42:08,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-11-29 19:42:08,483 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:42:08,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:42:08,546 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 19:42:08,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:42:08,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 93 states and 145 transitions. [2020-11-29 19:42:08,614 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 145 transitions. [2020-11-29 19:42:08,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-11-29 19:42:08,616 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:42:08,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:42:08,762 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 19:42:09,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:42:09,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 98 states and 153 transitions. [2020-11-29 19:42:09,351 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 153 transitions. [2020-11-29 19:42:09,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-11-29 19:42:09,354 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:42:09,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:42:09,485 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-29 19:42:11,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:42:11,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 118 states and 194 transitions. [2020-11-29 19:42:11,594 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 194 transitions. [2020-11-29 19:42:11,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-11-29 19:42:11,596 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:42:11,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:42:11,649 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-29 19:42:11,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:42:11,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 119 states and 195 transitions. [2020-11-29 19:42:11,674 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 195 transitions. [2020-11-29 19:42:11,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-11-29 19:42:11,676 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:42:11,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:42:11,725 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 19:42:12,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:42:12,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 124 states and 206 transitions. [2020-11-29 19:42:12,046 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 206 transitions. [2020-11-29 19:42:12,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-11-29 19:42:12,052 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:42:12,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:42:12,143 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 19:42:12,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:42:12,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 125 states and 207 transitions. [2020-11-29 19:42:12,185 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 207 transitions. [2020-11-29 19:42:12,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-11-29 19:42:12,189 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:42:12,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:42:12,970 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-11-29 19:42:14,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:42:14,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 132 states and 233 transitions. [2020-11-29 19:42:14,893 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 233 transitions. [2020-11-29 19:42:14,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-11-29 19:42:14,896 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:42:14,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:42:14,975 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 19:42:15,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:42:15,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 135 states and 239 transitions. [2020-11-29 19:42:15,441 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 239 transitions. [2020-11-29 19:42:15,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-11-29 19:42:15,442 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:42:15,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:42:15,623 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-11-29 19:42:18,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:42:18,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 144 states and 265 transitions. [2020-11-29 19:42:18,164 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 265 transitions. [2020-11-29 19:42:18,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-11-29 19:42:18,165 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:42:18,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:42:18,222 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-11-29 19:42:19,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:42:19,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 155 states and 288 transitions. [2020-11-29 19:42:19,142 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 288 transitions. [2020-11-29 19:42:19,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-11-29 19:42:19,144 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:42:19,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:42:19,186 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-11-29 19:42:19,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:42:19,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 157 states and 296 transitions. [2020-11-29 19:42:19,557 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 296 transitions. [2020-11-29 19:42:19,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-11-29 19:42:19,558 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:42:19,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:42:19,597 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-11-29 19:42:21,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:42:21,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 167 states and 324 transitions. [2020-11-29 19:42:21,785 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 324 transitions. [2020-11-29 19:42:21,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-11-29 19:42:21,787 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:42:21,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:42:21,839 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-11-29 19:42:22,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:42:22,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 172 states and 335 transitions. [2020-11-29 19:42:22,096 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 335 transitions. [2020-11-29 19:42:22,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-11-29 19:42:22,101 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:42:22,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:42:22,145 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-11-29 19:42:22,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:42:22,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 174 states and 342 transitions. [2020-11-29 19:42:22,515 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 342 transitions. [2020-11-29 19:42:22,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-11-29 19:42:22,517 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:42:22,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:42:22,581 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-11-29 19:42:22,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:42:22,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 175 states and 343 transitions. [2020-11-29 19:42:22,615 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 343 transitions. [2020-11-29 19:42:22,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-11-29 19:42:22,617 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:42:22,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:42:22,688 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 19:42:24,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:42:24,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 185 states and 383 transitions. [2020-11-29 19:42:24,400 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 383 transitions. [2020-11-29 19:42:24,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-11-29 19:42:24,402 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:42:24,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:42:24,893 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 5 proven. 12 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-29 19:42:28,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:42:28,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 438 states to 196 states and 407 transitions. [2020-11-29 19:42:28,686 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 407 transitions. [2020-11-29 19:42:28,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-11-29 19:42:28,688 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:42:28,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:42:28,741 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 12 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-29 19:42:30,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:42:30,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 202 states and 415 transitions. [2020-11-29 19:42:30,910 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 415 transitions. [2020-11-29 19:42:30,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-11-29 19:42:30,912 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:42:30,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:42:30,965 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 19:42:31,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:42:31,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 203 states and 416 transitions. [2020-11-29 19:42:31,008 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 416 transitions. [2020-11-29 19:42:31,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-11-29 19:42:31,010 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:42:31,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:42:31,063 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-11-29 19:42:31,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:42:31,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 204 states and 417 transitions. [2020-11-29 19:42:31,102 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 417 transitions. [2020-11-29 19:42:31,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-11-29 19:42:31,105 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:42:31,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:42:31,332 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-11-29 19:42:32,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:42:32,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 204 states and 415 transitions. [2020-11-29 19:42:32,881 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 415 transitions. [2020-11-29 19:42:32,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-11-29 19:42:32,884 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:42:32,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:42:32,927 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2020-11-29 19:42:33,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:42:33,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 209 states and 426 transitions. [2020-11-29 19:42:33,535 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 426 transitions. [2020-11-29 19:42:33,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-11-29 19:42:33,537 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:42:33,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:42:33,595 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2020-11-29 19:42:33,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:42:33,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 210 states and 427 transitions. [2020-11-29 19:42:33,630 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 427 transitions. [2020-11-29 19:42:33,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-11-29 19:42:33,633 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:42:33,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:42:34,094 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 18 proven. 15 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-11-29 19:42:35,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:42:35,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 476 states to 215 states and 442 transitions. [2020-11-29 19:42:35,737 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 442 transitions. [2020-11-29 19:42:35,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2020-11-29 19:42:35,740 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:42:35,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:42:35,805 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2020-11-29 19:42:35,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:42:35,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 218 states and 447 transitions. [2020-11-29 19:42:35,848 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 447 transitions. [2020-11-29 19:42:35,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2020-11-29 19:42:35,853 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:42:35,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:42:36,924 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 21 proven. 9 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-11-29 19:42:43,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:42:43,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 238 states and 498 transitions. [2020-11-29 19:42:43,394 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 498 transitions. [2020-11-29 19:42:43,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2020-11-29 19:42:43,397 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:42:43,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:42:43,440 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2020-11-29 19:42:43,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:42:43,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 561 states to 239 states and 499 transitions. [2020-11-29 19:42:43,488 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 499 transitions. [2020-11-29 19:42:43,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-11-29 19:42:43,491 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:42:43,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:42:43,530 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2020-11-29 19:42:44,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:42:44,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 567 states to 242 states and 505 transitions. [2020-11-29 19:42:44,607 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 505 transitions. [2020-11-29 19:42:44,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2020-11-29 19:42:44,610 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:42:44,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:42:44,648 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2020-11-29 19:42:45,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:42:45,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 573 states to 245 states and 511 transitions. [2020-11-29 19:42:45,819 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 511 transitions. [2020-11-29 19:42:45,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-11-29 19:42:45,822 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:42:45,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:42:45,867 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2020-11-29 19:42:45,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:42:45,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 574 states to 246 states and 512 transitions. [2020-11-29 19:42:45,902 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 512 transitions. [2020-11-29 19:42:45,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2020-11-29 19:42:45,905 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:42:45,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:42:47,407 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 31 proven. 9 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2020-11-29 19:42:55,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:42:55,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 623 states to 263 states and 554 transitions. [2020-11-29 19:42:55,832 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 554 transitions. [2020-11-29 19:42:55,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2020-11-29 19:42:55,835 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:42:55,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 19:42:55,913 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 19:42:56,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 19:42:56,037 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 19:42:56,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 19:42:56,388 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 19:42:56,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 19:42:56,532 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 19:42:56,764 WARN L483 CodeCheckObserver]: This program is UNSAFE, Check terminated with 41 iterations. [2020-11-29 19:42:57,029 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 29.11 07:42:57 ImpRootNode [2020-11-29 19:42:57,036 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-11-29 19:42:57,037 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 19:42:57,037 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 19:42:57,037 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 19:42:57,038 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 07:42:05" (3/4) ... [2020-11-29 19:42:57,040 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-11-29 19:42:57,297 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_ec19fd9a-a100-4d00-992e-0f860065fdb1/bin/ukojak/witness.graphml [2020-11-29 19:42:57,298 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 19:42:57,300 INFO L168 Benchmark]: Toolchain (without parser) took 54828.83 ms. Allocated memory was 113.2 MB in the beginning and 650.1 MB in the end (delta: 536.9 MB). Free memory was 80.0 MB in the beginning and 462.0 MB in the end (delta: -382.0 MB). Peak memory consumption was 155.8 MB. Max. memory is 16.1 GB. [2020-11-29 19:42:57,301 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 75.5 MB. Free memory was 35.9 MB in the beginning and 35.9 MB in the end (delta: 67.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 19:42:57,301 INFO L168 Benchmark]: CACSL2BoogieTranslator took 768.33 ms. Allocated memory is still 113.2 MB. Free memory was 79.8 MB in the beginning and 79.1 MB in the end (delta: 709.2 kB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-29 19:42:57,302 INFO L168 Benchmark]: Boogie Procedure Inliner took 89.85 ms. Allocated memory is still 113.2 MB. Free memory was 78.5 MB in the beginning and 76.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 19:42:57,302 INFO L168 Benchmark]: Boogie Preprocessor took 36.02 ms. Allocated memory is still 113.2 MB. Free memory was 76.4 MB in the beginning and 74.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 19:42:57,303 INFO L168 Benchmark]: RCFGBuilder took 1943.58 ms. Allocated memory is still 113.2 MB. Free memory was 74.4 MB in the beginning and 52.6 MB in the end (delta: 21.7 MB). Peak memory consumption was 42.4 MB. Max. memory is 16.1 GB. [2020-11-29 19:42:57,303 INFO L168 Benchmark]: CodeCheck took 51714.01 ms. Allocated memory was 113.2 MB in the beginning and 650.1 MB in the end (delta: 536.9 MB). Free memory was 52.6 MB in the beginning and 491.4 MB in the end (delta: -438.7 MB). Peak memory consumption was 99.1 MB. Max. memory is 16.1 GB. [2020-11-29 19:42:57,304 INFO L168 Benchmark]: Witness Printer took 260.91 ms. Allocated memory is still 650.1 MB. Free memory was 491.4 MB in the beginning and 462.0 MB in the end (delta: 29.4 MB). Peak memory consumption was 29.4 MB. Max. memory is 16.1 GB. [2020-11-29 19:42:57,306 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 7 procedures, 49 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 51.4s, OverallIterations: 41, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 362746268 SDtfs, 1668300886 SDslu, 391872332 SDs, 0 SdLazy, 261462516 SolverSat, -1100638974 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 61.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 22023 GetRequests, 21549 SyntacticMatches, 40 SemanticMatches, 434 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 88077 ImplicationChecksByTransitivity, 42.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.2s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 6.0s InterpolantComputationTime, 1911 NumberOfCodeBlocks, 1911 NumberOfCodeBlocksAsserted, 41 NumberOfCheckSat, 1792 ConstructedInterpolants, 0 QuantifiedInterpolants, 195146 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 40 InterpolantComputations, 32 PerfectInterpolantSequences, 727/791 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: [L45] int methAndRunningLastTime ; [L253] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L457] int pumpRunning = 0; [L458] int systemActive = 1; [L630] int waterLevel = 1; [L631] int methaneLevelCritical = 0; [L837] int cleanupTimeShifts = 4; [L911] int retValue_acc ; [L912] int tmp ; [L819] int retValue_acc ; [L822] retValue_acc = 1 [L823] return (retValue_acc); [L918] tmp = valid_product() [L920] COND TRUE \read(tmp) [L50] methAndRunningLastTime = 0 [L726] int splverifierCounter ; [L727] int tmp ; [L728] int tmp___0 ; [L729] int tmp___1 ; [L730] int tmp___2 ; [L733] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L735] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L737] COND TRUE splverifierCounter < 4 [L743] tmp = __VERIFIER_nondet_int() [L745] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L747] CALL waterRise() VAL [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L648] COND TRUE waterLevel < 2 [L649] waterLevel = waterLevel + 1 [L747] RET waterRise() VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L753] tmp___0 = __VERIFIER_nondet_int() [L755] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L763] tmp___2 = __VERIFIER_nondet_int() [L765] COND TRUE \read(tmp___2) VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L778] CALL timeShift() VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L464] COND FALSE !(\read(pumpRunning)) VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L471] COND TRUE \read(systemActive) [L493] int tmp ; VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L496] COND TRUE ! pumpRunning [L608] int retValue_acc ; [L609] int tmp ; [L610] int tmp___0 ; [L710] int retValue_acc ; [L713] COND FALSE !(waterLevel < 2) [L717] retValue_acc = 0 [L718] return (retValue_acc); [L614] tmp = isHighWaterSensorDry() [L616] COND FALSE !(\read(tmp)) [L619] tmp___0 = 1 [L621] retValue_acc = tmp___0 [L622] return (retValue_acc); [L498] tmp = isHighWaterLevel() [L500] COND TRUE \read(tmp) [L527] int tmp ; [L552] int retValue_acc ; VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L556] CALL, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L669] int retValue_acc ; [L672] retValue_acc = methaneLevelCritical [L673] return (retValue_acc); [L556] RET, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L556] retValue_acc = isMethaneLevelCritical() [L558] return (retValue_acc); [L531] tmp = isMethaneAlarm() [L533] COND FALSE !(\read(tmp)) [L521] pumpRunning = 1 VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L55] int tmp ; [L56] int tmp___0 ; VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L60] CALL, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L669] int retValue_acc ; [L672] retValue_acc = methaneLevelCritical [L673] return (retValue_acc); [L60] RET, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L60] tmp = isMethaneLevelCritical() [L62] COND FALSE !(\read(tmp)) [L78] methAndRunningLastTime = 0 VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L778] RET timeShift() VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L735] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L737] COND TRUE splverifierCounter < 4 [L743] tmp = __VERIFIER_nondet_int() [L745] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L747] CALL waterRise() VAL [\old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L648] COND FALSE !(waterLevel < 2) [L747] RET waterRise() VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L753] tmp___0 = __VERIFIER_nondet_int() [L755] COND TRUE \read(tmp___0) VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L757] CALL changeMethaneLevel() VAL [\old(methaneLevelCritical)=0, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L660] COND FALSE !(\read(methaneLevelCritical)) [L663] methaneLevelCritical = 1 [L757] RET changeMethaneLevel() VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L763] tmp___2 = __VERIFIER_nondet_int() [L765] COND TRUE \read(tmp___2) VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L778] CALL timeShift() VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L464] COND TRUE \read(pumpRunning) [L636] COND TRUE waterLevel > 0 [L637] waterLevel = waterLevel - 1 VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L471] COND TRUE \read(systemActive) [L493] int tmp ; VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L496] COND FALSE !(! pumpRunning) VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L511] FCALL processEnvironment__wrappee__base() VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L55] int tmp ; [L56] int tmp___0 ; VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L60] CALL, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L669] int retValue_acc ; [L672] retValue_acc = methaneLevelCritical [L673] return (retValue_acc); [L60] RET, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L60] tmp = isMethaneLevelCritical() [L62] COND TRUE \read(tmp) [L563] int retValue_acc ; [L566] retValue_acc = pumpRunning [L567] return (retValue_acc); [L64] tmp___0 = isPumpRunning() [L66] COND TRUE \read(tmp___0) VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L67] COND FALSE !(\read(methAndRunningLastTime)) [L72] methAndRunningLastTime = 1 VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L778] RET timeShift() VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L735] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L737] COND TRUE splverifierCounter < 4 [L743] tmp = __VERIFIER_nondet_int() [L745] COND FALSE !(\read(tmp)) VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L753] tmp___0 = __VERIFIER_nondet_int() [L755] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L763] tmp___2 = __VERIFIER_nondet_int() [L765] COND FALSE !(\read(tmp___2)) [L769] tmp___1 = __VERIFIER_nondet_int() [L771] COND FALSE !(\read(tmp___1)) VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L778] CALL timeShift() VAL [\old(methAndRunningLastTime)=1, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L464] COND TRUE \read(pumpRunning) [L636] COND TRUE waterLevel > 0 [L637] waterLevel = waterLevel - 1 VAL [\old(methAndRunningLastTime)=1, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L471] COND TRUE \read(systemActive) [L493] int tmp ; VAL [\old(methAndRunningLastTime)=1, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L496] COND FALSE !(! pumpRunning) VAL [\old(methAndRunningLastTime)=1, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L511] FCALL processEnvironment__wrappee__base() VAL [\old(methAndRunningLastTime)=1, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L55] int tmp ; [L56] int tmp___0 ; VAL [\old(methAndRunningLastTime)=1, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L60] CALL, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=1, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L669] int retValue_acc ; [L672] retValue_acc = methaneLevelCritical [L673] return (retValue_acc); [L60] RET, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=1, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L60] tmp = isMethaneLevelCritical() [L62] COND TRUE \read(tmp) [L563] int retValue_acc ; [L566] retValue_acc = pumpRunning [L567] return (retValue_acc); [L64] tmp___0 = isPumpRunning() [L66] COND TRUE \read(tmp___0) VAL [\old(methAndRunningLastTime)=1, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L67] COND TRUE \read(methAndRunningLastTime) VAL [\old(methAndRunningLastTime)=1, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L3] __assert_fail("0", "minepump_spec2_product41.cil.c", 3, "reach_error") VAL [\old(methAndRunningLastTime)=1, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 ms. Allocated memory is still 75.5 MB. Free memory was 35.9 MB in the beginning and 35.9 MB in the end (delta: 67.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 768.33 ms. Allocated memory is still 113.2 MB. Free memory was 79.8 MB in the beginning and 79.1 MB in the end (delta: 709.2 kB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 89.85 ms. Allocated memory is still 113.2 MB. Free memory was 78.5 MB in the beginning and 76.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 36.02 ms. Allocated memory is still 113.2 MB. Free memory was 76.4 MB in the beginning and 74.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1943.58 ms. Allocated memory is still 113.2 MB. Free memory was 74.4 MB in the beginning and 52.6 MB in the end (delta: 21.7 MB). Peak memory consumption was 42.4 MB. Max. memory is 16.1 GB. * CodeCheck took 51714.01 ms. Allocated memory was 113.2 MB in the beginning and 650.1 MB in the end (delta: 536.9 MB). Free memory was 52.6 MB in the beginning and 491.4 MB in the end (delta: -438.7 MB). Peak memory consumption was 99.1 MB. Max. memory is 16.1 GB. * Witness Printer took 260.91 ms. Allocated memory is still 650.1 MB. Free memory was 491.4 MB in the beginning and 462.0 MB in the end (delta: 29.4 MB). Peak memory consumption was 29.4 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...