./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product43.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3afb70e7-bb25-4614-89d6-8151a2b5d5da/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3afb70e7-bb25-4614-89d6-8151a2b5d5da/bin/ukojak-LBtLqBUTdQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3afb70e7-bb25-4614-89d6-8151a2b5d5da/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3afb70e7-bb25-4614-89d6-8151a2b5d5da/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product43.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3afb70e7-bb25-4614-89d6-8151a2b5d5da/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3afb70e7-bb25-4614-89d6-8151a2b5d5da/bin/ukojak-LBtLqBUTdQ --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 01b43f7e7ecd5c44c6b49183e9415dee9518d36285d69624307f5a03549da1bb --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 01:02:45,894 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 01:02:45,897 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 01:02:45,963 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 01:02:45,964 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 01:02:45,969 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 01:02:45,971 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 01:02:45,975 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 01:02:45,979 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 01:02:45,987 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 01:02:45,988 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 01:02:45,990 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 01:02:45,991 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 01:02:45,994 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 01:02:45,996 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 01:02:46,006 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 01:02:46,008 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 01:02:46,009 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 01:02:46,012 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 01:02:46,021 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 01:02:46,023 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 01:02:46,025 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 01:02:46,028 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 01:02:46,030 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 01:02:46,036 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 01:02:46,037 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 01:02:46,037 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 01:02:46,038 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 01:02:46,038 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 01:02:46,040 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 01:02:46,040 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 01:02:46,041 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 01:02:46,041 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 01:02:46,042 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 01:02:46,043 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 01:02:46,044 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 01:02:46,044 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 01:02:46,044 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 01:02:46,045 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 01:02:46,045 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 01:02:46,046 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 01:02:46,051 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3afb70e7-bb25-4614-89d6-8151a2b5d5da/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 01:02:46,096 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 01:02:46,097 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 01:02:46,098 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 01:02:46,099 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 01:02:46,099 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 01:02:46,100 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 01:02:46,100 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 01:02:46,100 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 01:02:46,107 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 01:02:46,107 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 01:02:46,108 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 01:02:46,109 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 01:02:46,109 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 01:02:46,109 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 01:02:46,109 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 01:02:46,110 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 01:02:46,110 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 01:02:46,110 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 01:02:46,110 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 01:02:46,111 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 01:02:46,111 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 01:02:46,111 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:02:46,111 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 01:02:46,112 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 01:02:46,112 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 01:02:46,112 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 01:02:46,112 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 01:02:46,113 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 01:02:46,113 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_worker_vcloud-master_on_vcloud-master/run_dir_3afb70e7-bb25-4614-89d6-8151a2b5d5da/bin/ukojak-LBtLqBUTdQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3afb70e7-bb25-4614-89d6-8151a2b5d5da/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 01b43f7e7ecd5c44c6b49183e9415dee9518d36285d69624307f5a03549da1bb [2021-11-23 01:02:46,451 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 01:02:46,488 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 01:02:46,494 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 01:02:46,496 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 01:02:46,497 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 01:02:46,499 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3afb70e7-bb25-4614-89d6-8151a2b5d5da/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/product-lines/minepump_spec1_product43.cil.c [2021-11-23 01:02:46,575 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3afb70e7-bb25-4614-89d6-8151a2b5d5da/bin/ukojak-LBtLqBUTdQ/data/c3540012a/5ad9862844144ae5bc06491666d4d7e1/FLAGd2d019919 [2021-11-23 01:02:47,254 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 01:02:47,254 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3afb70e7-bb25-4614-89d6-8151a2b5d5da/sv-benchmarks/c/product-lines/minepump_spec1_product43.cil.c [2021-11-23 01:02:47,286 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3afb70e7-bb25-4614-89d6-8151a2b5d5da/bin/ukojak-LBtLqBUTdQ/data/c3540012a/5ad9862844144ae5bc06491666d4d7e1/FLAGd2d019919 [2021-11-23 01:02:47,585 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3afb70e7-bb25-4614-89d6-8151a2b5d5da/bin/ukojak-LBtLqBUTdQ/data/c3540012a/5ad9862844144ae5bc06491666d4d7e1 [2021-11-23 01:02:47,588 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 01:02:47,590 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 01:02:47,591 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 01:02:47,592 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 01:02:47,596 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 01:02:47,596 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:02:47" (1/1) ... [2021-11-23 01:02:47,598 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76fd9eda and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:02:47, skipping insertion in model container [2021-11-23 01:02:47,598 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:02:47" (1/1) ... [2021-11-23 01:02:47,608 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 01:02:47,710 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 01:02:48,006 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3afb70e7-bb25-4614-89d6-8151a2b5d5da/sv-benchmarks/c/product-lines/minepump_spec1_product43.cil.c[6381,6394] [2021-11-23 01:02:48,070 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:02:48,080 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 01:02:48,113 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3afb70e7-bb25-4614-89d6-8151a2b5d5da/sv-benchmarks/c/product-lines/minepump_spec1_product43.cil.c[6381,6394] [2021-11-23 01:02:48,162 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:02:48,189 INFO L208 MainTranslator]: Completed translation [2021-11-23 01:02:48,190 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:02:48 WrapperNode [2021-11-23 01:02:48,190 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 01:02:48,192 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 01:02:48,192 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 01:02:48,194 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 01:02:48,201 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:02:48" (1/1) ... [2021-11-23 01:02:48,233 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:02:48" (1/1) ... [2021-11-23 01:02:48,283 INFO L137 Inliner]: procedures = 54, calls = 153, calls flagged for inlining = 23, calls inlined = 20, statements flattened = 241 [2021-11-23 01:02:48,283 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 01:02:48,284 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 01:02:48,284 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 01:02:48,284 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 01:02:48,294 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:02:48" (1/1) ... [2021-11-23 01:02:48,295 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:02:48" (1/1) ... [2021-11-23 01:02:48,310 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:02:48" (1/1) ... [2021-11-23 01:02:48,314 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:02:48" (1/1) ... [2021-11-23 01:02:48,321 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:02:48" (1/1) ... [2021-11-23 01:02:48,343 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:02:48" (1/1) ... [2021-11-23 01:02:48,348 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:02:48" (1/1) ... [2021-11-23 01:02:48,355 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 01:02:48,357 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 01:02:48,358 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 01:02:48,358 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 01:02:48,359 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:02:48" (1/1) ... [2021-11-23 01:02:48,368 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:02:48,384 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3afb70e7-bb25-4614-89d6-8151a2b5d5da/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 01:02:48,401 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3afb70e7-bb25-4614-89d6-8151a2b5d5da/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 01:02:48,420 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3afb70e7-bb25-4614-89d6-8151a2b5d5da/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 01:02:48,463 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 01:02:48,463 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2021-11-23 01:02:48,463 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2021-11-23 01:02:48,464 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2021-11-23 01:02:48,465 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2021-11-23 01:02:48,465 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2021-11-23 01:02:48,465 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2021-11-23 01:02:48,465 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2021-11-23 01:02:48,466 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2021-11-23 01:02:48,466 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2021-11-23 01:02:48,466 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2021-11-23 01:02:48,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 01:02:48,467 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2021-11-23 01:02:48,467 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2021-11-23 01:02:48,467 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 01:02:48,467 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 01:02:48,594 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 01:02:48,596 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 01:02:48,957 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 01:02:49,025 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 01:02:49,025 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-23 01:02:49,028 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:02:49 BoogieIcfgContainer [2021-11-23 01:02:49,028 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 01:02:49,029 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 01:02:49,029 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 01:02:49,039 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 01:02:49,039 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:02:49" (1/1) ... [2021-11-23 01:02:49,048 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 01:02:49,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:49,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 50 states and 65 transitions. [2021-11-23 01:02:49,112 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 65 transitions. [2021-11-23 01:02:49,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 01:02:49,118 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:49,120 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:49,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:49,349 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:02:49,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:49,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 50 states and 63 transitions. [2021-11-23 01:02:49,424 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 63 transitions. [2021-11-23 01:02:49,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 01:02:49,426 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:49,427 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:49,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:49,553 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:02:49,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:49,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 52 states and 66 transitions. [2021-11-23 01:02:49,577 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 66 transitions. [2021-11-23 01:02:49,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 01:02:49,578 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:49,578 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:49,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:49,686 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:02:49,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:49,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 65 states and 90 transitions. [2021-11-23 01:02:49,845 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 90 transitions. [2021-11-23 01:02:49,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 01:02:49,847 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:49,847 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:49,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:49,911 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:02:49,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:49,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 66 states and 91 transitions. [2021-11-23 01:02:49,927 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 91 transitions. [2021-11-23 01:02:49,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 01:02:49,929 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:49,929 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:49,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:50,333 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:02:51,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:51,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 81 states and 121 transitions. [2021-11-23 01:02:51,452 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 121 transitions. [2021-11-23 01:02:51,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 01:02:51,456 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:51,457 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:51,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:51,568 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:02:51,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:51,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 82 states and 122 transitions. [2021-11-23 01:02:51,599 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 122 transitions. [2021-11-23 01:02:51,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 01:02:51,601 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:51,601 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:51,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:51,765 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:02:52,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:52,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 87 states and 135 transitions. [2021-11-23 01:02:52,158 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 135 transitions. [2021-11-23 01:02:52,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 01:02:52,160 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:52,161 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:52,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:52,206 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:02:52,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:52,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 91 states and 142 transitions. [2021-11-23 01:02:52,232 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 142 transitions. [2021-11-23 01:02:52,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 01:02:52,234 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:52,234 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:52,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:52,435 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:02:53,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:53,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 102 states and 170 transitions. [2021-11-23 01:02:53,580 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 170 transitions. [2021-11-23 01:02:53,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 01:02:53,583 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:53,583 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:53,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:53,633 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:02:53,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:53,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 105 states and 177 transitions. [2021-11-23 01:02:53,777 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 177 transitions. [2021-11-23 01:02:53,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 01:02:53,779 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:53,779 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:53,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:53,842 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:02:53,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:53,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 106 states and 179 transitions. [2021-11-23 01:02:53,906 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 179 transitions. [2021-11-23 01:02:53,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 01:02:53,908 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:53,908 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:53,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:53,961 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:02:54,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:54,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 113 states and 195 transitions. [2021-11-23 01:02:54,475 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 195 transitions. [2021-11-23 01:02:54,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 01:02:54,477 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:54,477 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:54,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:54,623 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:02:54,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:54,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 115 states and 200 transitions. [2021-11-23 01:02:54,706 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 200 transitions. [2021-11-23 01:02:54,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 01:02:54,708 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:54,708 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:54,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:54,755 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:02:54,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:54,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 115 states and 198 transitions. [2021-11-23 01:02:54,962 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 198 transitions. [2021-11-23 01:02:54,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 01:02:54,964 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:54,964 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:54,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:54,991 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:02:55,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:55,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 120 states and 209 transitions. [2021-11-23 01:02:55,450 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 209 transitions. [2021-11-23 01:02:55,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-23 01:02:55,451 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:55,452 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:55,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:55,484 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:02:55,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:55,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 121 states and 212 transitions. [2021-11-23 01:02:55,587 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 212 transitions. [2021-11-23 01:02:55,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-23 01:02:55,590 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:55,590 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:55,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:55,623 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:02:56,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:56,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 125 states and 221 transitions. [2021-11-23 01:02:56,115 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 221 transitions. [2021-11-23 01:02:56,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-23 01:02:56,117 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:56,117 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:56,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:56,175 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:02:56,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:56,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 128 states and 228 transitions. [2021-11-23 01:02:56,553 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 228 transitions. [2021-11-23 01:02:56,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-23 01:02:56,557 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:56,559 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:56,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:56,621 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:02:56,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:56,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 131 states and 235 transitions. [2021-11-23 01:02:56,995 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 235 transitions. [2021-11-23 01:02:56,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-23 01:02:56,997 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:56,998 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:57,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:57,323 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 1 proven. 13 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:02:59,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:59,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 147 states and 286 transitions. [2021-11-23 01:02:59,827 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 286 transitions. [2021-11-23 01:02:59,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-23 01:02:59,831 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:59,831 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:59,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:59,987 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 1 proven. 13 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:03:00,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:00,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 148 states and 288 transitions. [2021-11-23 01:03:00,869 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 288 transitions. [2021-11-23 01:03:00,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-23 01:03:00,872 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:00,873 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:00,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:01,270 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 1 proven. 14 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:03:03,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:03,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 160 states and 323 transitions. [2021-11-23 01:03:03,262 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 323 transitions. [2021-11-23 01:03:03,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-23 01:03:03,264 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:03,264 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:03,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:03,361 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 1 proven. 14 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:03:03,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:03,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 160 states and 322 transitions. [2021-11-23 01:03:03,632 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 322 transitions. [2021-11-23 01:03:03,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-23 01:03:03,634 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:03,634 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:03,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:03,783 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 1 proven. 13 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:03:03,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:03,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 161 states and 323 transitions. [2021-11-23 01:03:03,827 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 323 transitions. [2021-11-23 01:03:03,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-23 01:03:03,828 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:03,829 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:03,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:03,936 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 1 proven. 15 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 01:03:03,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:03,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 162 states and 324 transitions. [2021-11-23 01:03:03,979 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 324 transitions. [2021-11-23 01:03:03,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-23 01:03:03,982 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:03,982 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:03,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:04,260 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 14 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:03:05,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:05,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 166 states and 338 transitions. [2021-11-23 01:03:05,870 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 338 transitions. [2021-11-23 01:03:05,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-23 01:03:05,872 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:05,872 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:05,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:06,562 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:03:10,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:10,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 180 states and 382 transitions. [2021-11-23 01:03:10,625 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 382 transitions. [2021-11-23 01:03:10,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-23 01:03:10,628 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:10,628 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:10,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:11,067 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:03:14,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:14,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 192 states and 399 transitions. [2021-11-23 01:03:14,272 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 399 transitions. [2021-11-23 01:03:14,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-23 01:03:14,276 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:14,276 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:14,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:14,339 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:03:15,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:15,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 415 states to 194 states and 402 transitions. [2021-11-23 01:03:15,163 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 402 transitions. [2021-11-23 01:03:15,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-23 01:03:15,166 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:15,166 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:15,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:15,222 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 9 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:03:18,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:18,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 438 states to 204 states and 422 transitions. [2021-11-23 01:03:18,130 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 422 transitions. [2021-11-23 01:03:18,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-23 01:03:18,134 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:18,134 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:18,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:18,938 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 8 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:03:23,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:23,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 216 states and 458 transitions. [2021-11-23 01:03:23,916 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 458 transitions. [2021-11-23 01:03:23,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-23 01:03:23,920 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:23,920 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:23,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:24,606 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 9 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:03:26,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:26,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 480 states to 214 states and 449 transitions. [2021-11-23 01:03:26,374 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 449 transitions. [2021-11-23 01:03:26,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-23 01:03:26,377 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:26,377 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:26,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:26,410 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-23 01:03:26,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:26,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 216 states and 451 transitions. [2021-11-23 01:03:26,460 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 451 transitions. [2021-11-23 01:03:26,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-23 01:03:26,463 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:26,463 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:26,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:26,488 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2021-11-23 01:03:26,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:26,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 487 states to 219 states and 456 transitions. [2021-11-23 01:03:26,768 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 456 transitions. [2021-11-23 01:03:26,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-23 01:03:26,771 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:26,771 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:26,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:26,803 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 15 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:03:28,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:28,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 485 states to 219 states and 450 transitions. [2021-11-23 01:03:28,034 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 450 transitions. [2021-11-23 01:03:28,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-23 01:03:28,036 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:28,036 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:28,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:28,312 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 9 proven. 7 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-23 01:03:28,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:28,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 486 states to 220 states and 451 transitions. [2021-11-23 01:03:28,359 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 451 transitions. [2021-11-23 01:03:28,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-23 01:03:28,361 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:28,361 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:28,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:28,391 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-11-23 01:03:28,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:28,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 487 states to 221 states and 452 transitions. [2021-11-23 01:03:28,424 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 452 transitions. [2021-11-23 01:03:28,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-23 01:03:28,426 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:28,426 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:28,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:28,452 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2021-11-23 01:03:29,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:29,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 222 states and 455 transitions. [2021-11-23 01:03:29,111 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 455 transitions. [2021-11-23 01:03:29,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-23 01:03:29,114 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:29,114 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:29,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 01:03:29,129 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 01:03:29,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 01:03:29,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 01:03:29,245 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 01:03:29,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 01:03:29,352 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 39 iterations. [2021-11-23 01:03:29,456 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 01:03:29 ImpRootNode [2021-11-23 01:03:29,456 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-11-23 01:03:29,457 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-23 01:03:29,457 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-23 01:03:29,457 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-23 01:03:29,458 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:02:49" (3/4) ... [2021-11-23 01:03:29,460 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-11-23 01:03:29,632 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3afb70e7-bb25-4614-89d6-8151a2b5d5da/bin/ukojak-LBtLqBUTdQ/witness.graphml [2021-11-23 01:03:29,635 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-23 01:03:29,636 INFO L158 Benchmark]: Toolchain (without parser) took 42046.66ms. Allocated memory was 88.1MB in the beginning and 293.6MB in the end (delta: 205.5MB). Free memory was 50.5MB in the beginning and 78.3MB in the end (delta: -27.8MB). Peak memory consumption was 175.9MB. Max. memory is 16.1GB. [2021-11-23 01:03:29,637 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 88.1MB. Free memory was 68.3MB in the beginning and 68.2MB in the end (delta: 48.1kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 01:03:29,638 INFO L158 Benchmark]: CACSL2BoogieTranslator took 599.38ms. Allocated memory was 88.1MB in the beginning and 115.3MB in the end (delta: 27.3MB). Free memory was 50.3MB in the beginning and 81.3MB in the end (delta: -30.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 01:03:29,638 INFO L158 Benchmark]: Boogie Procedure Inliner took 91.57ms. Allocated memory is still 115.3MB. Free memory was 80.9MB in the beginning and 78.5MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 01:03:29,639 INFO L158 Benchmark]: Boogie Preprocessor took 71.64ms. Allocated memory is still 115.3MB. Free memory was 78.5MB in the beginning and 77.1MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 01:03:29,639 INFO L158 Benchmark]: RCFGBuilder took 671.31ms. Allocated memory is still 115.3MB. Free memory was 77.1MB in the beginning and 55.7MB in the end (delta: 21.4MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2021-11-23 01:03:29,639 INFO L158 Benchmark]: CodeCheck took 40427.59ms. Allocated memory was 115.3MB in the beginning and 293.6MB in the end (delta: 178.3MB). Free memory was 55.7MB in the beginning and 84.6MB in the end (delta: -28.9MB). Peak memory consumption was 150.9MB. Max. memory is 16.1GB. [2021-11-23 01:03:29,640 INFO L158 Benchmark]: Witness Printer took 178.91ms. Allocated memory is still 293.6MB. Free memory was 84.6MB in the beginning and 78.3MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 01:03:29,643 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, 50 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 40.3s, OverallIterations: 39, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 11640 SdHoareTripleChecker+Valid, 39.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 5399 mSDsluCounter, 12213 SdHoareTripleChecker+Invalid, 33.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 8855 mSDsCounter, 7549 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 23492 IncrementalHoareTripleChecker+Invalid, 31041 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 7549 mSolverCounterUnsat, 3882 mSDtfsCounter, 23492 mSolverCounterSat, 0.7s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 16635 GetRequests, 15887 SyntacticMatches, 260 SemanticMatches, 488 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 121807 ImplicationChecksByTransitivity, 33.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 5.8s InterpolantComputationTime, 1487 NumberOfCodeBlocks, 1487 NumberOfCodeBlocksAsserted, 39 NumberOfCheckSat, 1395 ConstructedInterpolants, 0 QuantifiedInterpolants, 4654 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 38 InterpolantComputations, 25 PerfectInterpolantSequences, 338/452 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: 415]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L57] int waterLevel = 1; [L58] int methaneLevelCritical = 0; [L157] int pumpRunning = 0; [L158] int systemActive = 1; [L446] int cleanupTimeShifts = 4; [L714] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L522] int retValue_acc ; [L523] int tmp ; [L527] FCALL select_helpers() [L528] FCALL select_features() [L529] CALL, EXPR valid_product() [L937] int retValue_acc ; [L940] retValue_acc = 1 [L941] return (retValue_acc); [L529] RET, EXPR valid_product() [L529] tmp = valid_product() [L531] COND TRUE \read(tmp) [L533] FCALL setup() [L534] CALL runTest() [L513] CALL test() [L345] int splverifierCounter ; [L346] int tmp ; [L347] int tmp___0 ; [L348] int tmp___1 ; [L349] int tmp___2 ; [L352] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L354] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L356] COND TRUE splverifierCounter < 4 [L362] tmp = __VERIFIER_nondet_int() [L364] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=-1, waterLevel=1] [L366] CALL waterRise() VAL [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L75] COND TRUE waterLevel < 2 [L76] waterLevel = waterLevel + 1 [L366] RET waterRise() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=-1, waterLevel=2] [L372] tmp___0 = __VERIFIER_nondet_int() [L374] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=-1, tmp___0=0, waterLevel=2] [L382] tmp___2 = __VERIFIER_nondet_int() [L384] COND TRUE \read(tmp___2) VAL [__VERIFIER_nondet_int()=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=-1, tmp___0=0, tmp___1=34, tmp___2=1, waterLevel=2] [L399] CALL timeShift() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L165] COND FALSE !(\read(pumpRunning)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L172] COND TRUE \read(systemActive) [L174] CALL processEnvironment() [L194] int tmp ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L197] COND TRUE ! pumpRunning [L199] CALL, EXPR isHighWaterLevel() [L309] int retValue_acc ; [L310] int tmp ; [L311] int tmp___0 ; [L315] CALL, EXPR isHighWaterSensorDry() [L137] int retValue_acc ; [L140] COND FALSE !(waterLevel < 2) [L144] retValue_acc = 0 [L145] return (retValue_acc); [L315] RET, EXPR isHighWaterSensorDry() [L315] tmp = isHighWaterSensorDry() [L317] COND FALSE !(\read(tmp)) [L320] tmp___0 = 1 [L322] retValue_acc = tmp___0 [L323] return (retValue_acc); [L199] RET, EXPR isHighWaterLevel() [L199] tmp = isHighWaterLevel() [L201] COND TRUE \read(tmp) [L203] CALL activatePump() [L228] int tmp ; [L232] CALL, EXPR isMethaneAlarm() [L253] int retValue_acc ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L257] CALL, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L96] int retValue_acc ; [L99] retValue_acc = methaneLevelCritical [L100] return (retValue_acc); [L257] RET, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L257] retValue_acc = isMethaneLevelCritical() [L259] return (retValue_acc); [L232] RET, EXPR isMethaneAlarm() [L232] tmp = isMethaneAlarm() [L234] COND FALSE !(\read(tmp)) [L238] CALL activatePump__wrappee__highWaterSensor() [L222] pumpRunning = 1 [L238] RET activatePump__wrappee__highWaterSensor() [L203] RET activatePump() [L174] RET processEnvironment() [L180] CALL __utac_acc__Specification1_spec__1() [L421] int tmp ; [L422] int tmp___0 ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L426] CALL, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L96] int retValue_acc ; [L99] retValue_acc = methaneLevelCritical [L100] return (retValue_acc); [L426] RET, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L426] tmp = isMethaneLevelCritical() [L428] COND FALSE !(\read(tmp)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, waterLevel=2] [L180] RET __utac_acc__Specification1_spec__1() [L399] RET timeShift() VAL [__VERIFIER_nondet_int()=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=-1, tmp___0=0, tmp___1=34, tmp___2=1, waterLevel=2] [L354] COND TRUE 1 VAL [__VERIFIER_nondet_int()=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=-1, tmp___0=0, tmp___1=34, tmp___2=1, waterLevel=2] [L356] COND TRUE splverifierCounter < 4 [L362] tmp = __VERIFIER_nondet_int() [L364] COND FALSE !(\read(tmp)) VAL [__VERIFIER_nondet_int()=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___1=34, tmp___2=1, waterLevel=2] [L372] tmp___0 = __VERIFIER_nondet_int() [L374] COND TRUE \read(tmp___0) VAL [__VERIFIER_nondet_int()=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=-1, tmp___1=34, tmp___2=1, waterLevel=2] [L376] CALL changeMethaneLevel() VAL [\old(methaneLevelCritical)=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L87] COND FALSE !(\read(methaneLevelCritical)) [L90] methaneLevelCritical = 1 [L376] RET changeMethaneLevel() VAL [__VERIFIER_nondet_int()=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=-1, tmp___1=34, tmp___2=1, waterLevel=2] [L382] tmp___2 = __VERIFIER_nondet_int() [L384] COND TRUE \read(tmp___2) VAL [__VERIFIER_nondet_int()=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=-1, tmp___1=34, tmp___2=1, waterLevel=2] [L399] CALL timeShift() VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L165] COND TRUE \read(pumpRunning) [L167] CALL lowerWaterLevel() [L63] COND TRUE waterLevel > 0 [L64] waterLevel = waterLevel - 1 [L167] RET lowerWaterLevel() [L172] COND TRUE \read(systemActive) [L174] CALL processEnvironment() [L194] int tmp ; VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L197] COND FALSE !(! pumpRunning) VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L212] FCALL processEnvironment__wrappee__base() VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L174] RET processEnvironment() [L180] CALL __utac_acc__Specification1_spec__1() [L421] int tmp ; [L422] int tmp___0 ; VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L426] CALL, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L96] int retValue_acc ; [L99] retValue_acc = methaneLevelCritical [L100] return (retValue_acc); [L426] RET, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L426] tmp = isMethaneLevelCritical() [L428] COND TRUE \read(tmp) [L430] CALL, EXPR isPumpRunning() [L264] int retValue_acc ; [L267] retValue_acc = pumpRunning [L268] return (retValue_acc); [L430] RET, EXPR isPumpRunning() [L430] tmp___0 = isPumpRunning() [L432] COND TRUE \read(tmp___0) [L434] CALL __automaton_fail() [L415] reach_error() VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 88.1MB. Free memory was 68.3MB in the beginning and 68.2MB in the end (delta: 48.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 599.38ms. Allocated memory was 88.1MB in the beginning and 115.3MB in the end (delta: 27.3MB). Free memory was 50.3MB in the beginning and 81.3MB in the end (delta: -30.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 91.57ms. Allocated memory is still 115.3MB. Free memory was 80.9MB in the beginning and 78.5MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 71.64ms. Allocated memory is still 115.3MB. Free memory was 78.5MB in the beginning and 77.1MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 671.31ms. Allocated memory is still 115.3MB. Free memory was 77.1MB in the beginning and 55.7MB in the end (delta: 21.4MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * CodeCheck took 40427.59ms. Allocated memory was 115.3MB in the beginning and 293.6MB in the end (delta: 178.3MB). Free memory was 55.7MB in the beginning and 84.6MB in the end (delta: -28.9MB). Peak memory consumption was 150.9MB. Max. memory is 16.1GB. * Witness Printer took 178.91ms. Allocated memory is still 293.6MB. Free memory was 84.6MB in the beginning and 78.3MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2021-11-23 01:03:29,692 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3afb70e7-bb25-4614-89d6-8151a2b5d5da/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE