./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product13.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_283b1027-b4b6-4441-847f-02f47eddaf82/bin/ukojak-Rh5K9KB4LI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_283b1027-b4b6-4441-847f-02f47eddaf82/bin/ukojak-Rh5K9KB4LI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_283b1027-b4b6-4441-847f-02f47eddaf82/bin/ukojak-Rh5K9KB4LI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_283b1027-b4b6-4441-847f-02f47eddaf82/bin/ukojak-Rh5K9KB4LI/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product13.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_283b1027-b4b6-4441-847f-02f47eddaf82/bin/ukojak-Rh5K9KB4LI/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_283b1027-b4b6-4441-847f-02f47eddaf82/bin/ukojak-Rh5K9KB4LI --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 4e8d46dd9ecc40481581770f17d7ff7eeb44cf0ae7cc4edb04be6d125fad45fc ....................................................................................................................................................................................................................................................................................................................................................... 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 0.2.1-dev-b2eff8b [2021-10-29 04:03:40,934 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 04:03:40,936 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 04:03:40,996 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 04:03:40,997 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 04:03:40,998 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 04:03:41,000 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 04:03:41,003 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 04:03:41,005 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 04:03:41,009 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 04:03:41,010 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 04:03:41,011 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 04:03:41,015 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 04:03:41,019 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 04:03:41,021 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 04:03:41,024 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 04:03:41,028 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 04:03:41,035 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 04:03:41,038 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 04:03:41,040 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 04:03:41,045 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 04:03:41,047 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 04:03:41,048 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 04:03:41,050 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 04:03:41,054 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 04:03:41,060 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 04:03:41,061 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 04:03:41,062 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 04:03:41,063 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 04:03:41,065 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 04:03:41,066 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 04:03:41,067 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 04:03:41,068 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 04:03:41,070 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 04:03:41,072 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 04:03:41,072 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 04:03:41,073 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 04:03:41,073 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 04:03:41,073 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 04:03:41,074 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 04:03:41,075 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 04:03:41,076 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_283b1027-b4b6-4441-847f-02f47eddaf82/bin/ukojak-Rh5K9KB4LI/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-10-29 04:03:41,120 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 04:03:41,120 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 04:03:41,121 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 04:03:41,122 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-10-29 04:03:41,122 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-29 04:03:41,123 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-29 04:03:41,123 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 04:03:41,123 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 04:03:41,123 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 04:03:41,124 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 04:03:41,125 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 04:03:41,131 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 04:03:41,131 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 04:03:41,131 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 04:03:41,132 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 04:03:41,132 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 04:03:41,132 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 04:03:41,132 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 04:03:41,133 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-10-29 04:03:41,133 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-10-29 04:03:41,133 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 04:03:41,133 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 04:03:41,134 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 04:03:41,134 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 04:03:41,134 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 04:03:41,134 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-10-29 04:03:41,135 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-29 04:03:41,135 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 04:03:41,135 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_283b1027-b4b6-4441-847f-02f47eddaf82/bin/ukojak-Rh5K9KB4LI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_283b1027-b4b6-4441-847f-02f47eddaf82/bin/ukojak-Rh5K9KB4LI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4e8d46dd9ecc40481581770f17d7ff7eeb44cf0ae7cc4edb04be6d125fad45fc [2021-10-29 04:03:41,439 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 04:03:41,473 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 04:03:41,476 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 04:03:41,477 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 04:03:41,478 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 04:03:41,479 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_283b1027-b4b6-4441-847f-02f47eddaf82/bin/ukojak-Rh5K9KB4LI/../../sv-benchmarks/c/product-lines/minepump_spec3_product13.cil.c [2021-10-29 04:03:41,573 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_283b1027-b4b6-4441-847f-02f47eddaf82/bin/ukojak-Rh5K9KB4LI/data/b6fae5120/ced5dcd68dcc465d8df7f9f707eb670a/FLAG17c7c58ab [2021-10-29 04:03:42,102 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 04:03:42,102 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_283b1027-b4b6-4441-847f-02f47eddaf82/sv-benchmarks/c/product-lines/minepump_spec3_product13.cil.c [2021-10-29 04:03:42,130 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_283b1027-b4b6-4441-847f-02f47eddaf82/bin/ukojak-Rh5K9KB4LI/data/b6fae5120/ced5dcd68dcc465d8df7f9f707eb670a/FLAG17c7c58ab [2021-10-29 04:03:42,391 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_283b1027-b4b6-4441-847f-02f47eddaf82/bin/ukojak-Rh5K9KB4LI/data/b6fae5120/ced5dcd68dcc465d8df7f9f707eb670a [2021-10-29 04:03:42,393 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 04:03:42,398 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 04:03:42,401 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 04:03:42,401 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 04:03:42,405 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 04:03:42,406 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 04:03:42" (1/1) ... [2021-10-29 04:03:42,407 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7988c8e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:03:42, skipping insertion in model container [2021-10-29 04:03:42,408 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 04:03:42" (1/1) ... [2021-10-29 04:03:42,416 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 04:03:42,473 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 04:03:42,714 WARN L228 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_283b1027-b4b6-4441-847f-02f47eddaf82/sv-benchmarks/c/product-lines/minepump_spec3_product13.cil.c[3343,3356] [2021-10-29 04:03:42,818 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 04:03:42,835 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 04:03:42,854 WARN L228 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_283b1027-b4b6-4441-847f-02f47eddaf82/sv-benchmarks/c/product-lines/minepump_spec3_product13.cil.c[3343,3356] [2021-10-29 04:03:42,903 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 04:03:42,921 INFO L208 MainTranslator]: Completed translation [2021-10-29 04:03:42,921 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:03:42 WrapperNode [2021-10-29 04:03:42,921 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 04:03:42,923 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 04:03:42,923 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 04:03:42,923 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 04:03:42,941 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:03:42" (1/1) ... [2021-10-29 04:03:42,967 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:03:42" (1/1) ... [2021-10-29 04:03:42,997 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 04:03:42,998 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 04:03:42,998 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 04:03:42,998 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 04:03:43,006 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:03:42" (1/1) ... [2021-10-29 04:03:43,006 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:03:42" (1/1) ... [2021-10-29 04:03:43,010 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:03:42" (1/1) ... [2021-10-29 04:03:43,010 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:03:42" (1/1) ... [2021-10-29 04:03:43,024 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:03:42" (1/1) ... [2021-10-29 04:03:43,036 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:03:42" (1/1) ... [2021-10-29 04:03:43,039 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:03:42" (1/1) ... [2021-10-29 04:03:43,042 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 04:03:43,043 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 04:03:43,043 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 04:03:43,043 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 04:03:43,056 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:03:42" (1/1) ... [2021-10-29 04:03:43,067 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 04:03:43,084 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_283b1027-b4b6-4441-847f-02f47eddaf82/bin/ukojak-Rh5K9KB4LI/z3 [2021-10-29 04:03:43,094 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_283b1027-b4b6-4441-847f-02f47eddaf82/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-10-29 04:03:43,109 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_283b1027-b4b6-4441-847f-02f47eddaf82/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-10-29 04:03:43,131 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-29 04:03:43,132 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2021-10-29 04:03:43,132 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2021-10-29 04:03:43,132 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2021-10-29 04:03:43,132 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2021-10-29 04:03:43,132 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2021-10-29 04:03:43,132 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2021-10-29 04:03:43,132 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2021-10-29 04:03:43,133 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2021-10-29 04:03:43,133 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2021-10-29 04:03:43,133 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2021-10-29 04:03:43,133 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2021-10-29 04:03:43,133 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2021-10-29 04:03:43,133 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-29 04:03:43,134 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2021-10-29 04:03:43,134 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2021-10-29 04:03:43,134 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 04:03:43,134 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 04:03:44,310 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 04:03:44,311 INFO L299 CfgBuilder]: Removed 32 assume(true) statements. [2021-10-29 04:03:44,313 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:03:44 BoogieIcfgContainer [2021-10-29 04:03:44,313 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-29 04:03:44,314 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-10-29 04:03:44,314 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-10-29 04:03:44,324 INFO L275 PluginConnector]: CodeCheck initialized [2021-10-29 04:03:44,324 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:03:44" (1/1) ... [2021-10-29 04:03:44,357 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 04:03:44,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:03:44,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 53 states and 69 transitions. [2021-10-29 04:03:44,423 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 69 transitions. [2021-10-29 04:03:44,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-29 04:03:44,432 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:03:44,433 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:03:44,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:03:44,759 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:03:44,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:03:44,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 53 states and 67 transitions. [2021-10-29 04:03:44,772 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 67 transitions. [2021-10-29 04:03:44,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-29 04:03:44,774 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:03:44,774 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:03:44,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:03:44,902 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:03:44,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:03:44,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 55 states and 70 transitions. [2021-10-29 04:03:44,937 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 70 transitions. [2021-10-29 04:03:44,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-10-29 04:03:44,939 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:03:44,940 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:03:44,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:03:45,028 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:03:45,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:03:45,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 64 states and 88 transitions. [2021-10-29 04:03:45,196 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 88 transitions. [2021-10-29 04:03:45,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-10-29 04:03:45,199 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:03:45,200 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:03:45,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:03:45,289 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:03:45,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:03:45,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 65 states and 89 transitions. [2021-10-29 04:03:45,309 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 89 transitions. [2021-10-29 04:03:45,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-10-29 04:03:45,315 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:03:45,315 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:03:45,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:03:45,392 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:03:45,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:03:45,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 66 states and 90 transitions. [2021-10-29 04:03:45,404 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 90 transitions. [2021-10-29 04:03:45,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-29 04:03:45,404 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:03:45,405 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:03:45,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:03:45,515 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:03:45,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:03:45,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 82 states and 126 transitions. [2021-10-29 04:03:45,913 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 126 transitions. [2021-10-29 04:03:45,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-10-29 04:03:45,914 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:03:45,914 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:03:46,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 04:03:46,008 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-29 04:03:46,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 04:03:46,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 04:03:46,264 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-29 04:03:46,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 04:03:46,468 WARN L480 CodeCheckObserver]: This program is UNSAFE, Check terminated with 7 iterations. [2021-10-29 04:03:46,618 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 29.10 04:03:46 ImpRootNode [2021-10-29 04:03:46,619 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-10-29 04:03:46,619 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-29 04:03:46,619 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-29 04:03:46,620 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-29 04:03:46,620 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:03:44" (3/4) ... [2021-10-29 04:03:46,622 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-10-29 04:03:46,822 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_283b1027-b4b6-4441-847f-02f47eddaf82/bin/ukojak-Rh5K9KB4LI/witness.graphml [2021-10-29 04:03:46,822 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-29 04:03:46,824 INFO L168 Benchmark]: Toolchain (without parser) took 4424.74 ms. Allocated memory was 115.3 MB in the beginning and 138.4 MB in the end (delta: 23.1 MB). Free memory was 80.7 MB in the beginning and 50.6 MB in the end (delta: 30.2 MB). Peak memory consumption was 53.0 MB. Max. memory is 16.1 GB. [2021-10-29 04:03:46,824 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 77.6 MB. Free memory was 38.0 MB in the beginning and 38.0 MB in the end (delta: 42.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 04:03:46,825 INFO L168 Benchmark]: CACSL2BoogieTranslator took 520.84 ms. Allocated memory is still 115.3 MB. Free memory was 80.5 MB in the beginning and 82.8 MB in the end (delta: -2.2 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-29 04:03:46,825 INFO L168 Benchmark]: Boogie Procedure Inliner took 74.30 ms. Allocated memory is still 115.3 MB. Free memory was 82.8 MB in the beginning and 80.0 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 04:03:46,826 INFO L168 Benchmark]: Boogie Preprocessor took 44.59 ms. Allocated memory is still 115.3 MB. Free memory was 80.0 MB in the beginning and 78.6 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 04:03:46,826 INFO L168 Benchmark]: RCFGBuilder took 1270.37 ms. Allocated memory is still 115.3 MB. Free memory was 78.6 MB in the beginning and 36.0 MB in the end (delta: 42.6 MB). Peak memory consumption was 41.9 MB. Max. memory is 16.1 GB. [2021-10-29 04:03:46,827 INFO L168 Benchmark]: CodeCheck took 2304.59 ms. Allocated memory was 115.3 MB in the beginning and 138.4 MB in the end (delta: 23.1 MB). Free memory was 36.0 MB in the beginning and 61.1 MB in the end (delta: -25.0 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 04:03:46,827 INFO L168 Benchmark]: Witness Printer took 203.22 ms. Allocated memory is still 138.4 MB. Free memory was 61.1 MB in the beginning and 50.6 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-29 04:03:46,830 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 8 procedures, 53 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.0s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 1488 SDtfs, 420 SDslu, 648 SDs, 0 SdLazy, 538 SolverSat, 142 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 989 GetRequests, 963 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 169 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 152 NumberOfCodeBlocks, 152 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 119 ConstructedInterpolants, 0 QuantifiedInterpolants, 257 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 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: 178]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L56] int waterLevel = 1; [L57] int methaneLevelCritical = 0; [L183] int cleanupTimeShifts = 4; [L285] int pumpRunning = 0; [L286] int systemActive = 1; [L704] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L259] int retValue_acc ; [L260] int tmp ; [L165] int retValue_acc ; [L168] retValue_acc = 1 [L169] return (retValue_acc); [L266] tmp = valid_product() [L268] COND TRUE \read(tmp) [L471] int splverifierCounter ; [L472] int tmp ; [L473] int tmp___0 ; [L474] int tmp___1 ; [L475] int tmp___2 ; [L478] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L480] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L482] COND TRUE splverifierCounter < 4 [L488] tmp = __VERIFIER_nondet_int() [L490] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L492] CALL waterRise() VAL [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L74] COND TRUE waterLevel < 2 [L75] waterLevel = waterLevel + 1 [L492] RET waterRise() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L498] tmp___0 = __VERIFIER_nondet_int() [L500] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L508] tmp___2 = __VERIFIER_nondet_int() [L510] COND TRUE \read(tmp___2) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L523] CALL timeShift() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L293] COND FALSE !(\read(pumpRunning)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L300] COND TRUE \read(systemActive) [L322] int tmp ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L325] COND FALSE !(\read(pumpRunning)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L340] FCALL processEnvironment__wrappee__methaneQuery() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L437] int tmp ; [L438] int tmp___0 ; [L439] int tmp___1 ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L443] CALL, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L95] int retValue_acc ; [L98] retValue_acc = methaneLevelCritical [L99] return (retValue_acc); [L443] RET, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L443] tmp = isMethaneLevelCritical() [L445] COND FALSE !(\read(tmp)) [L127] int retValue_acc ; [L130] retValue_acc = waterLevel [L131] return (retValue_acc); [L449] tmp___0 = getWaterLevel() [L451] COND TRUE tmp___0 == 2 [L391] int retValue_acc ; [L394] retValue_acc = pumpRunning [L395] return (retValue_acc); [L453] tmp___1 = isPumpRunning() [L455] COND FALSE !(\read(tmp___1)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L178] reach_error() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 77.6 MB. Free memory was 38.0 MB in the beginning and 38.0 MB in the end (delta: 42.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 520.84 ms. Allocated memory is still 115.3 MB. Free memory was 80.5 MB in the beginning and 82.8 MB in the end (delta: -2.2 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 74.30 ms. Allocated memory is still 115.3 MB. Free memory was 82.8 MB in the beginning and 80.0 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 44.59 ms. Allocated memory is still 115.3 MB. Free memory was 80.0 MB in the beginning and 78.6 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1270.37 ms. Allocated memory is still 115.3 MB. Free memory was 78.6 MB in the beginning and 36.0 MB in the end (delta: 42.6 MB). Peak memory consumption was 41.9 MB. Max. memory is 16.1 GB. * CodeCheck took 2304.59 ms. Allocated memory was 115.3 MB in the beginning and 138.4 MB in the end (delta: 23.1 MB). Free memory was 36.0 MB in the beginning and 61.1 MB in the end (delta: -25.0 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 203.22 ms. Allocated memory is still 138.4 MB. Free memory was 61.1 MB in the beginning and 50.6 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be incorrect! [2021-10-29 04:03:46,885 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_283b1027-b4b6-4441-847f-02f47eddaf82/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...