./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product41.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a75af7b-ec82-41f8-81d2-a054f2c0e769/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a75af7b-ec82-41f8-81d2-a054f2c0e769/bin/ukojak-92XMlrwhuB/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a75af7b-ec82-41f8-81d2-a054f2c0e769/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a75af7b-ec82-41f8-81d2-a054f2c0e769/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product41.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a75af7b-ec82-41f8-81d2-a054f2c0e769/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a75af7b-ec82-41f8-81d2-a054f2c0e769/bin/ukojak-92XMlrwhuB --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 2e4978c2419e4c1644022dd229f44f68c9d14c10177af084ee11ac932b0c1016 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-dbf71c6-m [2022-10-17 16:47:17,848 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:47:17,850 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:47:17,891 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:47:17,892 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:47:17,893 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:47:17,895 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:47:17,897 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:47:17,900 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:47:17,901 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:47:17,902 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:47:17,904 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:47:17,904 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:47:17,906 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:47:17,907 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:47:17,909 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:47:17,910 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:47:17,911 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:47:17,914 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:47:17,917 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:47:17,919 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:47:17,920 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:47:17,928 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:47:17,929 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:47:17,934 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:47:17,935 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:47:17,935 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:47:17,936 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:47:17,937 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:47:17,938 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:47:17,945 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:47:17,946 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:47:17,948 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:47:17,949 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:47:17,950 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:47:17,951 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:47:17,951 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:47:17,952 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:47:17,952 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:47:17,954 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:47:17,955 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:47:17,956 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a75af7b-ec82-41f8-81d2-a054f2c0e769/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:47:17,993 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:47:17,994 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:47:17,994 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:47:17,995 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:47:17,995 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:47:17,995 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:47:17,996 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:47:17,996 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:47:17,996 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:47:17,996 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:47:17,996 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:47:17,997 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:47:17,997 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:47:17,997 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:47:17,997 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:47:17,997 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:47:17,998 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:47:17,998 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:47:17,998 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:47:17,998 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:47:17,998 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:47:17,998 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:47:17,999 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:47:17,999 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:47:17,999 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:47:17,999 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:47:18,000 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:47:18,000 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:47:18,000 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_0a75af7b-ec82-41f8-81d2-a054f2c0e769/bin/ukojak-92XMlrwhuB/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a75af7b-ec82-41f8-81d2-a054f2c0e769/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2e4978c2419e4c1644022dd229f44f68c9d14c10177af084ee11ac932b0c1016 [2022-10-17 16:47:18,245 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:47:18,293 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:47:18,296 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:47:18,297 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:47:18,299 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:47:18,301 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a75af7b-ec82-41f8-81d2-a054f2c0e769/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/product-lines/minepump_spec2_product41.cil.c [2022-10-17 16:47:18,387 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a75af7b-ec82-41f8-81d2-a054f2c0e769/bin/ukojak-92XMlrwhuB/data/4330af4de/082191dca07a4b2e941f0da01cf34038/FLAG01c93ac49 [2022-10-17 16:47:18,924 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:47:18,924 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a75af7b-ec82-41f8-81d2-a054f2c0e769/sv-benchmarks/c/product-lines/minepump_spec2_product41.cil.c [2022-10-17 16:47:18,941 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a75af7b-ec82-41f8-81d2-a054f2c0e769/bin/ukojak-92XMlrwhuB/data/4330af4de/082191dca07a4b2e941f0da01cf34038/FLAG01c93ac49 [2022-10-17 16:47:19,214 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a75af7b-ec82-41f8-81d2-a054f2c0e769/bin/ukojak-92XMlrwhuB/data/4330af4de/082191dca07a4b2e941f0da01cf34038 [2022-10-17 16:47:19,216 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:47:19,217 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:47:19,219 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:47:19,219 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:47:19,223 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:47:19,224 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:47:19" (1/1) ... [2022-10-17 16:47:19,228 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20983a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:47:19, skipping insertion in model container [2022-10-17 16:47:19,229 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:47:19" (1/1) ... [2022-10-17 16:47:19,238 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:47:19,302 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:47:19,661 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_0a75af7b-ec82-41f8-81d2-a054f2c0e769/sv-benchmarks/c/product-lines/minepump_spec2_product41.cil.c[17041,17054] [2022-10-17 16:47:19,681 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:47:19,694 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:47:19,761 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_0a75af7b-ec82-41f8-81d2-a054f2c0e769/sv-benchmarks/c/product-lines/minepump_spec2_product41.cil.c[17041,17054] [2022-10-17 16:47:19,773 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:47:19,800 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:47:19,800 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:47:19 WrapperNode [2022-10-17 16:47:19,801 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:47:19,803 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:47:19,803 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:47:19,804 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:47:19,812 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:47:19" (1/1) ... [2022-10-17 16:47:19,840 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:47:19" (1/1) ... [2022-10-17 16:47:19,887 INFO L138 Inliner]: procedures = 54, calls = 152, calls flagged for inlining = 22, calls inlined = 19, statements flattened = 242 [2022-10-17 16:47:19,888 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:47:19,889 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:47:19,889 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:47:19,889 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:47:19,899 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:47:19" (1/1) ... [2022-10-17 16:47:19,899 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:47:19" (1/1) ... [2022-10-17 16:47:19,906 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:47:19" (1/1) ... [2022-10-17 16:47:19,906 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:47:19" (1/1) ... [2022-10-17 16:47:19,916 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:47:19" (1/1) ... [2022-10-17 16:47:19,921 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:47:19" (1/1) ... [2022-10-17 16:47:19,923 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:47:19" (1/1) ... [2022-10-17 16:47:19,925 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:47:19" (1/1) ... [2022-10-17 16:47:19,928 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:47:19,929 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:47:19,929 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:47:19,929 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:47:19,930 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:47:19" (1/1) ... [2022-10-17 16:47:19,937 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:47:19,951 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a75af7b-ec82-41f8-81d2-a054f2c0e769/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:47:19,978 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a75af7b-ec82-41f8-81d2-a054f2c0e769/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:47:19,980 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a75af7b-ec82-41f8-81d2-a054f2c0e769/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:47:20,015 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:47:20,015 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2022-10-17 16:47:20,015 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2022-10-17 16:47:20,015 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-10-17 16:47:20,016 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-10-17 16:47:20,016 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-10-17 16:47:20,016 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-10-17 16:47:20,016 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2022-10-17 16:47:20,016 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2022-10-17 16:47:20,016 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-10-17 16:47:20,017 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-10-17 16:47:20,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:47:20,017 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-10-17 16:47:20,017 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-10-17 16:47:20,017 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:47:20,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:47:20,089 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:47:20,092 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:47:20,430 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:47:20,633 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:47:20,633 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-10-17 16:47:20,636 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:47:20 BoogieIcfgContainer [2022-10-17 16:47:20,636 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:47:20,637 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:47:20,637 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:47:20,648 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:47:20,648 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:47:20" (1/1) ... [2022-10-17 16:47:20,658 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:47:20,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:20,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 51 states and 67 transitions. [2022-10-17 16:47:20,721 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 67 transitions. [2022-10-17 16:47:20,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-10-17 16:47:20,727 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:20,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:20,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:20,960 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:47:21,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:21,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 51 states and 65 transitions. [2022-10-17 16:47:21,006 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 65 transitions. [2022-10-17 16:47:21,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-10-17 16:47:21,008 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:21,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:21,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:21,212 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:47:21,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:21,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 53 states and 68 transitions. [2022-10-17 16:47:21,240 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 68 transitions. [2022-10-17 16:47:21,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-10-17 16:47:21,241 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:21,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:21,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:21,434 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:47:21,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:21,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 62 states and 85 transitions. [2022-10-17 16:47:21,615 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 85 transitions. [2022-10-17 16:47:21,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-10-17 16:47:21,617 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:21,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:21,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:21,707 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:47:21,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:21,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 63 states and 86 transitions. [2022-10-17 16:47:21,722 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 86 transitions. [2022-10-17 16:47:21,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-10-17 16:47:21,723 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:21,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:21,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:21,860 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:47:21,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:21,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 64 states and 87 transitions. [2022-10-17 16:47:21,885 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 87 transitions. [2022-10-17 16:47:21,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-10-17 16:47:21,887 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:21,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:21,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:21,967 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:47:22,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:22,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 74 states and 107 transitions. [2022-10-17 16:47:22,238 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 107 transitions. [2022-10-17 16:47:22,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-10-17 16:47:22,239 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:22,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:22,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:22,310 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:47:22,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:22,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 75 states and 108 transitions. [2022-10-17 16:47:22,329 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 108 transitions. [2022-10-17 16:47:22,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-10-17 16:47:22,330 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:22,331 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:22,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:22,493 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:47:23,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:23,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 92 states and 141 transitions. [2022-10-17 16:47:23,087 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 141 transitions. [2022-10-17 16:47:23,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-10-17 16:47:23,090 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:23,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:23,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:23,177 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:47:23,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:23,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 94 states and 143 transitions. [2022-10-17 16:47:23,202 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 143 transitions. [2022-10-17 16:47:23,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-10-17 16:47:23,204 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:23,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:23,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:23,282 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:47:23,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:23,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 95 states and 144 transitions. [2022-10-17 16:47:23,302 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 144 transitions. [2022-10-17 16:47:23,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-10-17 16:47:23,303 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:23,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:23,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:23,382 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:47:24,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:24,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 115 states and 187 transitions. [2022-10-17 16:47:24,387 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 187 transitions. [2022-10-17 16:47:24,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-10-17 16:47:24,389 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:24,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:24,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:24,467 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:47:24,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:24,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 117 states and 189 transitions. [2022-10-17 16:47:24,507 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 189 transitions. [2022-10-17 16:47:24,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-10-17 16:47:24,509 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:24,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:24,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:24,589 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:47:24,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:24,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 118 states and 190 transitions. [2022-10-17 16:47:24,719 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 190 transitions. [2022-10-17 16:47:24,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-10-17 16:47:24,721 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:24,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:24,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:24,771 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:47:24,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:24,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 119 states and 191 transitions. [2022-10-17 16:47:24,791 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 191 transitions. [2022-10-17 16:47:24,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-10-17 16:47:24,793 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:24,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:24,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:24,839 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 16:47:25,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:25,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 124 states and 202 transitions. [2022-10-17 16:47:25,005 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 202 transitions. [2022-10-17 16:47:25,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-10-17 16:47:25,010 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:25,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:25,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:25,077 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 16:47:25,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:25,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 125 states and 203 transitions. [2022-10-17 16:47:25,106 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 203 transitions. [2022-10-17 16:47:25,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-10-17 16:47:25,108 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:25,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:25,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:25,515 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:47:26,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:26,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 128 states and 214 transitions. [2022-10-17 16:47:26,339 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 214 transitions. [2022-10-17 16:47:26,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-10-17 16:47:26,343 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:26,343 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:26,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:26,434 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 16:47:26,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:26,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 131 states and 220 transitions. [2022-10-17 16:47:26,646 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 220 transitions. [2022-10-17 16:47:26,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-10-17 16:47:26,647 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:26,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:26,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:26,767 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-10-17 16:47:27,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:27,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 138 states and 240 transitions. [2022-10-17 16:47:27,754 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 240 transitions. [2022-10-17 16:47:27,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-10-17 16:47:27,756 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:27,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:27,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:27,853 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-10-17 16:47:28,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:28,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 149 states and 260 transitions. [2022-10-17 16:47:28,467 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 260 transitions. [2022-10-17 16:47:28,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-10-17 16:47:28,468 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:28,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:28,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:28,551 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-10-17 16:47:28,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:28,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 150 states and 261 transitions. [2022-10-17 16:47:28,769 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 261 transitions. [2022-10-17 16:47:28,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-10-17 16:47:28,771 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:28,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:28,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:28,854 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 16:47:29,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:29,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 152 states and 265 transitions. [2022-10-17 16:47:29,082 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 265 transitions. [2022-10-17 16:47:29,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-10-17 16:47:29,083 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:29,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:29,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:29,149 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 16:47:29,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:29,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 159 states and 283 transitions. [2022-10-17 16:47:29,330 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 283 transitions. [2022-10-17 16:47:29,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-10-17 16:47:29,331 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:29,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:29,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:29,416 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-10-17 16:47:30,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:30,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 167 states and 304 transitions. [2022-10-17 16:47:30,679 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 304 transitions. [2022-10-17 16:47:30,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-10-17 16:47:30,680 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:30,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:30,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:31,018 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 16:47:31,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:31,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 170 states and 313 transitions. [2022-10-17 16:47:31,973 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 313 transitions. [2022-10-17 16:47:31,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-10-17 16:47:31,975 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:31,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:31,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:32,070 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-10-17 16:47:32,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:32,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 171 states and 314 transitions. [2022-10-17 16:47:32,100 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 314 transitions. [2022-10-17 16:47:32,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-10-17 16:47:32,101 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:32,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:32,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:32,163 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-10-17 16:47:33,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:33,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 180 states and 336 transitions. [2022-10-17 16:47:33,343 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 336 transitions. [2022-10-17 16:47:33,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-10-17 16:47:33,344 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:33,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:33,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:33,831 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 12 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 16:47:34,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:34,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 180 states and 329 transitions. [2022-10-17 16:47:34,930 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 329 transitions. [2022-10-17 16:47:34,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-10-17 16:47:34,932 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:34,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:34,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:34,991 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 16:47:35,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:35,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 181 states and 330 transitions. [2022-10-17 16:47:35,021 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 330 transitions. [2022-10-17 16:47:35,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-10-17 16:47:35,023 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:35,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:35,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:35,076 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-10-17 16:47:35,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:35,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 182 states and 331 transitions. [2022-10-17 16:47:35,104 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 331 transitions. [2022-10-17 16:47:35,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-10-17 16:47:35,106 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:35,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:35,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:35,164 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-10-17 16:47:35,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:35,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 187 states and 342 transitions. [2022-10-17 16:47:35,528 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 342 transitions. [2022-10-17 16:47:35,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-10-17 16:47:35,530 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:35,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:35,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:35,605 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-10-17 16:47:35,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:35,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 188 states and 343 transitions. [2022-10-17 16:47:35,639 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 343 transitions. [2022-10-17 16:47:35,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-10-17 16:47:35,641 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:35,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:35,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:35,794 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 22 proven. 3 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-10-17 16:47:35,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:35,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 189 states and 345 transitions. [2022-10-17 16:47:35,835 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 345 transitions. [2022-10-17 16:47:35,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2022-10-17 16:47:35,836 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:35,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:35,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:35,916 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2022-10-17 16:47:35,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:35,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 192 states and 350 transitions. [2022-10-17 16:47:35,960 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 350 transitions. [2022-10-17 16:47:35,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-10-17 16:47:35,962 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:35,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:35,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:36,013 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-10-17 16:47:36,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:36,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 195 states and 356 transitions. [2022-10-17 16:47:36,312 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 356 transitions. [2022-10-17 16:47:36,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2022-10-17 16:47:36,313 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:36,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:36,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:36,366 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2022-10-17 16:47:36,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:36,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 196 states and 357 transitions. [2022-10-17 16:47:36,405 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 357 transitions. [2022-10-17 16:47:36,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2022-10-17 16:47:36,407 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:36,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:36,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:36,466 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2022-10-17 16:47:36,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:36,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 197 states and 358 transitions. [2022-10-17 16:47:36,498 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 358 transitions. [2022-10-17 16:47:36,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-10-17 16:47:36,499 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:36,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:36,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:37,119 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 35 proven. 17 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-10-17 16:47:40,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:40,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 213 states and 394 transitions. [2022-10-17 16:47:40,377 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 394 transitions. [2022-10-17 16:47:40,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2022-10-17 16:47:40,379 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:40,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:40,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:40,584 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 35 proven. 17 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-10-17 16:47:40,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:40,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 436 states to 214 states and 395 transitions. [2022-10-17 16:47:40,628 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 395 transitions. [2022-10-17 16:47:40,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-10-17 16:47:40,629 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:40,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:40,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:40,870 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 19 proven. 27 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-10-17 16:47:41,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:41,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 215 states and 397 transitions. [2022-10-17 16:47:41,482 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 397 transitions. [2022-10-17 16:47:41,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2022-10-17 16:47:41,483 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:41,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:41,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:42,312 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 33 proven. 10 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2022-10-17 16:47:46,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:46,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 486 states to 229 states and 428 transitions. [2022-10-17 16:47:46,903 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 428 transitions. [2022-10-17 16:47:46,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2022-10-17 16:47:46,904 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:46,905 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:46,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 16:47:46,927 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 16:47:46,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 16:47:47,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 16:47:47,061 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 16:47:47,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 16:47:47,146 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 42 iterations. [2022-10-17 16:47:47,248 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 17.10 04:47:47 ImpRootNode [2022-10-17 16:47:47,248 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-10-17 16:47:47,248 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-10-17 16:47:47,249 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-10-17 16:47:47,249 INFO L275 PluginConnector]: Witness Printer initialized [2022-10-17 16:47:47,249 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:47:20" (3/4) ... [2022-10-17 16:47:47,251 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-10-17 16:47:47,461 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a75af7b-ec82-41f8-81d2-a054f2c0e769/bin/ukojak-92XMlrwhuB/witness.graphml [2022-10-17 16:47:47,462 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-10-17 16:47:47,465 INFO L158 Benchmark]: Toolchain (without parser) took 28247.61ms. Allocated memory was 86.0MB in the beginning and 360.7MB in the end (delta: 274.7MB). Free memory was 57.5MB in the beginning and 187.0MB in the end (delta: -129.5MB). Peak memory consumption was 145.3MB. Max. memory is 16.1GB. [2022-10-17 16:47:47,466 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 86.0MB. Free memory was 55.6MB in the beginning and 55.6MB in the end (delta: 69.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:47:47,466 INFO L158 Benchmark]: CACSL2BoogieTranslator took 582.26ms. Allocated memory is still 86.0MB. Free memory was 57.3MB in the beginning and 50.7MB in the end (delta: 6.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-10-17 16:47:47,467 INFO L158 Benchmark]: Boogie Procedure Inliner took 85.46ms. Allocated memory is still 86.0MB. Free memory was 50.7MB in the beginning and 48.1MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:47:47,468 INFO L158 Benchmark]: Boogie Preprocessor took 39.12ms. Allocated memory is still 86.0MB. Free memory was 48.1MB in the beginning and 46.4MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:47:47,468 INFO L158 Benchmark]: RCFGBuilder took 707.64ms. Allocated memory was 86.0MB in the beginning and 113.2MB in the end (delta: 27.3MB). Free memory was 46.4MB in the beginning and 80.3MB in the end (delta: -33.9MB). Peak memory consumption was 23.5MB. Max. memory is 16.1GB. [2022-10-17 16:47:47,468 INFO L158 Benchmark]: CodeCheck took 26611.10ms. Allocated memory was 113.2MB in the beginning and 360.7MB in the end (delta: 247.5MB). Free memory was 80.3MB in the beginning and 194.4MB in the end (delta: -114.1MB). Peak memory consumption was 131.8MB. Max. memory is 16.1GB. [2022-10-17 16:47:47,470 INFO L158 Benchmark]: Witness Printer took 216.01ms. Allocated memory is still 360.7MB. Free memory was 194.4MB in the beginning and 187.0MB in the end (delta: 7.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-10-17 16:47:47,476 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, 51 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 26.5s, OverallIterations: 42, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 13545 SdHoareTripleChecker+Valid, 34.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 6770 mSDsluCounter, 13645 SdHoareTripleChecker+Invalid, 28.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 11082 mSDsCounter, 6126 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 20826 IncrementalHoareTripleChecker+Invalid, 26952 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6126 mSolverCounterUnsat, 4365 mSDtfsCounter, 20826 mSolverCounterSat, 0.7s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 19841 GetRequests, 19431 SyntacticMatches, 40 SemanticMatches, 370 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64372 ImplicationChecksByTransitivity, 18.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 5.4s InterpolantComputationTime, 2019 NumberOfCodeBlocks, 2019 NumberOfCodeBlocksAsserted, 42 NumberOfCheckSat, 1899 ConstructedInterpolants, 0 QuantifiedInterpolants, 3940 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 41 InterpolantComputations, 31 PerfectInterpolantSequences, 775/871 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: 840]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L53] int methAndRunningLastTime ; [L261] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L465] int pumpRunning = 0; [L466] int systemActive = 1; [L638] int waterLevel = 1; [L639] int methaneLevelCritical = 0; [L845] int cleanupTimeShifts = 4; [L919] int retValue_acc ; [L920] int tmp ; [L924] FCALL select_helpers() [L925] FCALL select_features() [L926] CALL, EXPR valid_product() [L827] int retValue_acc ; [L830] retValue_acc = 1 [L831] return (retValue_acc); [L926] RET, EXPR valid_product() [L926] tmp = valid_product() [L928] COND TRUE \read(tmp) [L930] FCALL setup() [L931] CALL runTest() [L912] CALL __utac_acc__Specification2_spec__1() [L58] methAndRunningLastTime = 0 [L912] RET __utac_acc__Specification2_spec__1() [L913] CALL test() [L734] int splverifierCounter ; [L735] int tmp ; [L736] int tmp___0 ; [L737] int tmp___1 ; [L738] int tmp___2 ; [L741] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L743] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L745] COND TRUE splverifierCounter < 4 [L751] tmp = __VERIFIER_nondet_int() [L753] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=1] [L755] CALL waterRise() VAL [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L656] COND TRUE waterLevel < 2 [L657] waterLevel = waterLevel + 1 [L755] RET waterRise() VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=2] [L761] tmp___0 = __VERIFIER_nondet_int() [L763] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, waterLevel=2] [L771] tmp___2 = __VERIFIER_nondet_int() [L773] COND TRUE \read(tmp___2) VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___1=35, tmp___2=1, waterLevel=2] [L786] CALL timeShift() VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L472] COND FALSE !(\read(pumpRunning)) VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L479] COND TRUE \read(systemActive) [L481] CALL processEnvironment() [L501] int tmp ; VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L504] COND TRUE ! pumpRunning [L506] CALL, EXPR isHighWaterLevel() [L616] int retValue_acc ; [L617] int tmp ; [L618] int tmp___0 ; [L622] CALL, EXPR isHighWaterSensorDry() [L718] int retValue_acc ; [L721] COND FALSE !(waterLevel < 2) [L725] retValue_acc = 0 [L726] return (retValue_acc); [L622] RET, EXPR isHighWaterSensorDry() [L622] tmp = isHighWaterSensorDry() [L624] COND FALSE !(\read(tmp)) [L627] tmp___0 = 1 [L629] retValue_acc = tmp___0 [L630] return (retValue_acc); [L506] RET, EXPR isHighWaterLevel() [L506] tmp = isHighWaterLevel() [L508] COND TRUE \read(tmp) [L510] CALL activatePump() [L535] int tmp ; [L539] CALL, EXPR isMethaneAlarm() [L560] int retValue_acc ; VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L564] CALL, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L677] int retValue_acc ; [L680] retValue_acc = methaneLevelCritical [L681] return (retValue_acc); [L564] RET, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L564] retValue_acc = isMethaneLevelCritical() [L566] return (retValue_acc); [L539] RET, EXPR isMethaneAlarm() [L539] tmp = isMethaneAlarm() [L541] COND FALSE !(\read(tmp)) [L545] CALL activatePump__wrappee__highWaterSensor() [L529] pumpRunning = 1 [L545] RET activatePump__wrappee__highWaterSensor() [L510] RET activatePump() [L481] RET processEnvironment() [L487] CALL __utac_acc__Specification2_spec__2() [L63] int tmp ; [L64] int tmp___0 ; VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L68] CALL, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L677] int retValue_acc ; [L680] retValue_acc = methaneLevelCritical [L681] return (retValue_acc); [L68] RET, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L68] tmp = isMethaneLevelCritical() [L70] COND FALSE !(\read(tmp)) [L86] methAndRunningLastTime = 0 VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, waterLevel=2] [L487] RET __utac_acc__Specification2_spec__2() [L786] RET timeShift() VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___1=35, tmp___2=1, waterLevel=2] [L743] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___1=35, tmp___2=1, waterLevel=2] [L745] COND TRUE splverifierCounter < 4 [L751] tmp = __VERIFIER_nondet_int() [L753] COND FALSE !(\read(tmp)) VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___1=35, tmp___2=1, waterLevel=2] [L761] tmp___0 = __VERIFIER_nondet_int() [L763] COND TRUE \read(tmp___0) VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=1, tmp___1=35, tmp___2=1, waterLevel=2] [L765] CALL changeMethaneLevel() VAL [\old(methaneLevelCritical)=0, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L668] COND FALSE !(\read(methaneLevelCritical)) [L671] methaneLevelCritical = 1 [L765] RET changeMethaneLevel() VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=1, tmp___1=35, tmp___2=1, waterLevel=2] [L771] tmp___2 = __VERIFIER_nondet_int() [L773] COND TRUE \read(tmp___2) VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=1, tmp___1=35, tmp___2=-1, waterLevel=2] [L786] CALL timeShift() VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L472] COND TRUE \read(pumpRunning) [L474] CALL lowerWaterLevel() [L644] COND TRUE waterLevel > 0 [L645] waterLevel = waterLevel - 1 [L474] RET lowerWaterLevel() [L479] COND TRUE \read(systemActive) [L481] CALL processEnvironment() [L501] int tmp ; VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L504] COND FALSE !(! pumpRunning) VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L519] FCALL processEnvironment__wrappee__base() VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L481] RET processEnvironment() [L487] CALL __utac_acc__Specification2_spec__2() [L63] int tmp ; [L64] int tmp___0 ; VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L68] CALL, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L677] int retValue_acc ; [L680] retValue_acc = methaneLevelCritical [L681] return (retValue_acc); [L68] RET, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=1, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L68] tmp = isMethaneLevelCritical() [L70] COND TRUE \read(tmp) [L72] CALL, EXPR isPumpRunning() [L571] int retValue_acc ; [L574] retValue_acc = pumpRunning [L575] return (retValue_acc); [L72] RET, EXPR isPumpRunning() [L72] tmp___0 = isPumpRunning() [L74] COND TRUE \read(tmp___0) VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, tmp___0=1, waterLevel=1] [L75] COND FALSE !(\read(methAndRunningLastTime)) [L80] methAndRunningLastTime = 1 VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, tmp___0=1, waterLevel=1] [L487] RET __utac_acc__Specification2_spec__2() [L786] RET timeShift() VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=1, tmp___1=35, tmp___2=-1, waterLevel=1] [L743] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=1, tmp___1=35, tmp___2=-1, waterLevel=1] [L745] COND TRUE splverifierCounter < 4 [L751] tmp = __VERIFIER_nondet_int() [L753] COND FALSE !(\read(tmp)) VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=1, tmp___1=35, tmp___2=-1, waterLevel=1] [L761] tmp___0 = __VERIFIER_nondet_int() [L763] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___1=35, tmp___2=-1, waterLevel=1] [L771] tmp___2 = __VERIFIER_nondet_int() [L773] COND TRUE \read(tmp___2) VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___1=35, tmp___2=-1, waterLevel=1] [L786] CALL timeShift() VAL [\old(methAndRunningLastTime)=1, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L472] COND TRUE \read(pumpRunning) [L474] CALL lowerWaterLevel() [L644] COND TRUE waterLevel > 0 [L645] waterLevel = waterLevel - 1 [L474] RET lowerWaterLevel() [L479] COND TRUE \read(systemActive) [L481] CALL processEnvironment() [L501] int tmp ; VAL [\old(methAndRunningLastTime)=1, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L504] COND FALSE !(! pumpRunning) VAL [\old(methAndRunningLastTime)=1, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L519] FCALL processEnvironment__wrappee__base() VAL [\old(methAndRunningLastTime)=1, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L481] RET processEnvironment() [L487] CALL __utac_acc__Specification2_spec__2() [L63] int tmp ; [L64] int tmp___0 ; VAL [\old(methAndRunningLastTime)=1, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L68] CALL, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=1, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L677] int retValue_acc ; [L680] retValue_acc = methaneLevelCritical [L681] return (retValue_acc); [L68] RET, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=1, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=1, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L68] tmp = isMethaneLevelCritical() [L70] COND TRUE \read(tmp) [L72] CALL, EXPR isPumpRunning() [L571] int retValue_acc ; [L574] retValue_acc = pumpRunning [L575] return (retValue_acc); [L72] RET, EXPR isPumpRunning() [L72] tmp___0 = isPumpRunning() [L74] COND TRUE \read(tmp___0) VAL [\old(methAndRunningLastTime)=1, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, tmp___0=1, waterLevel=0] [L75] COND TRUE \read(methAndRunningLastTime) [L77] CALL __automaton_fail() [L840] reach_error() VAL [\old(methAndRunningLastTime)=1, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 86.0MB. Free memory was 55.6MB in the beginning and 55.6MB in the end (delta: 69.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 582.26ms. Allocated memory is still 86.0MB. Free memory was 57.3MB in the beginning and 50.7MB in the end (delta: 6.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 85.46ms. Allocated memory is still 86.0MB. Free memory was 50.7MB in the beginning and 48.1MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 39.12ms. Allocated memory is still 86.0MB. Free memory was 48.1MB in the beginning and 46.4MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 707.64ms. Allocated memory was 86.0MB in the beginning and 113.2MB in the end (delta: 27.3MB). Free memory was 46.4MB in the beginning and 80.3MB in the end (delta: -33.9MB). Peak memory consumption was 23.5MB. Max. memory is 16.1GB. * CodeCheck took 26611.10ms. Allocated memory was 113.2MB in the beginning and 360.7MB in the end (delta: 247.5MB). Free memory was 80.3MB in the beginning and 194.4MB in the end (delta: -114.1MB). Peak memory consumption was 131.8MB. Max. memory is 16.1GB. * Witness Printer took 216.01ms. Allocated memory is still 360.7MB. Free memory was 194.4MB in the beginning and 187.0MB in the end (delta: 7.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2022-10-17 16:47:47,543 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a75af7b-ec82-41f8-81d2-a054f2c0e769/bin/ukojak-92XMlrwhuB/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