./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product40.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_13cc02fa-a4da-4307-9d0f-281d965d381c/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13cc02fa-a4da-4307-9d0f-281d965d381c/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_13cc02fa-a4da-4307-9d0f-281d965d381c/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13cc02fa-a4da-4307-9d0f-281d965d381c/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product40.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13cc02fa-a4da-4307-9d0f-281d965d381c/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_13cc02fa-a4da-4307-9d0f-281d965d381c/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 e58738f03c291d912b42eb65343509a99f93ac40ab295d49133dc12600f622b8 --- 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 17:02:14,112 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 17:02:14,115 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 17:02:14,171 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 17:02:14,171 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 17:02:14,177 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 17:02:14,180 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 17:02:14,183 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 17:02:14,186 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 17:02:14,192 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 17:02:14,196 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 17:02:14,199 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 17:02:14,200 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 17:02:14,203 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 17:02:14,205 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 17:02:14,207 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 17:02:14,209 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 17:02:14,211 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 17:02:14,213 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 17:02:14,221 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 17:02:14,223 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 17:02:14,224 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 17:02:14,229 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 17:02:14,230 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 17:02:14,240 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 17:02:14,241 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 17:02:14,241 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 17:02:14,243 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 17:02:14,244 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 17:02:14,245 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 17:02:14,246 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 17:02:14,247 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 17:02:14,249 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 17:02:14,251 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 17:02:14,254 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 17:02:14,254 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 17:02:14,255 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 17:02:14,256 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 17:02:14,256 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 17:02:14,257 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 17:02:14,258 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 17:02:14,259 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13cc02fa-a4da-4307-9d0f-281d965d381c/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 17:02:14,302 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 17:02:14,302 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 17:02:14,304 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 17:02:14,304 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 17:02:14,305 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 17:02:14,306 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 17:02:14,306 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 17:02:14,306 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 17:02:14,307 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 17:02:14,307 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 17:02:14,308 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 17:02:14,308 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 17:02:14,308 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 17:02:14,309 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 17:02:14,309 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 17:02:14,309 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 17:02:14,309 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 17:02:14,309 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 17:02:14,310 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 17:02:14,310 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 17:02:14,310 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 17:02:14,311 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 17:02:14,311 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 17:02:14,311 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 17:02:14,311 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 17:02:14,312 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 17:02:14,313 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 17:02:14,313 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 17:02:14,314 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_13cc02fa-a4da-4307-9d0f-281d965d381c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13cc02fa-a4da-4307-9d0f-281d965d381c/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e58738f03c291d912b42eb65343509a99f93ac40ab295d49133dc12600f622b8 [2022-10-17 17:02:14,596 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 17:02:14,618 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 17:02:14,621 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 17:02:14,622 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 17:02:14,623 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 17:02:14,624 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13cc02fa-a4da-4307-9d0f-281d965d381c/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/product-lines/minepump_spec1_product40.cil.c [2022-10-17 17:02:14,711 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13cc02fa-a4da-4307-9d0f-281d965d381c/bin/ukojak-92XMlrwhuB/data/6757af0f4/dbd02334e3464a45be40e7e288527370/FLAG4dc89f07a [2022-10-17 17:02:15,300 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 17:02:15,301 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13cc02fa-a4da-4307-9d0f-281d965d381c/sv-benchmarks/c/product-lines/minepump_spec1_product40.cil.c [2022-10-17 17:02:15,333 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13cc02fa-a4da-4307-9d0f-281d965d381c/bin/ukojak-92XMlrwhuB/data/6757af0f4/dbd02334e3464a45be40e7e288527370/FLAG4dc89f07a [2022-10-17 17:02:15,587 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13cc02fa-a4da-4307-9d0f-281d965d381c/bin/ukojak-92XMlrwhuB/data/6757af0f4/dbd02334e3464a45be40e7e288527370 [2022-10-17 17:02:15,590 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 17:02:15,597 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 17:02:15,601 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 17:02:15,601 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 17:02:15,605 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 17:02:15,606 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:02:15" (1/1) ... [2022-10-17 17:02:15,607 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6aa1d2c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:15, skipping insertion in model container [2022-10-17 17:02:15,607 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:02:15" (1/1) ... [2022-10-17 17:02:15,614 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 17:02:15,661 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 17:02:15,924 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_13cc02fa-a4da-4307-9d0f-281d965d381c/sv-benchmarks/c/product-lines/minepump_spec1_product40.cil.c[7390,7403] [2022-10-17 17:02:16,049 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:02:16,068 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 17:02:16,120 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_13cc02fa-a4da-4307-9d0f-281d965d381c/sv-benchmarks/c/product-lines/minepump_spec1_product40.cil.c[7390,7403] [2022-10-17 17:02:16,161 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:02:16,183 INFO L208 MainTranslator]: Completed translation [2022-10-17 17:02:16,183 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:16 WrapperNode [2022-10-17 17:02:16,184 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 17:02:16,185 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 17:02:16,185 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 17:02:16,186 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 17:02:16,195 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:16" (1/1) ... [2022-10-17 17:02:16,213 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:16" (1/1) ... [2022-10-17 17:02:16,248 INFO L138 Inliner]: procedures = 55, calls = 156, calls flagged for inlining = 22, calls inlined = 19, statements flattened = 245 [2022-10-17 17:02:16,248 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 17:02:16,249 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 17:02:16,250 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 17:02:16,250 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 17:02:16,260 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:16" (1/1) ... [2022-10-17 17:02:16,261 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:16" (1/1) ... [2022-10-17 17:02:16,264 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:16" (1/1) ... [2022-10-17 17:02:16,264 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:16" (1/1) ... [2022-10-17 17:02:16,272 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:16" (1/1) ... [2022-10-17 17:02:16,291 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:16" (1/1) ... [2022-10-17 17:02:16,293 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:16" (1/1) ... [2022-10-17 17:02:16,303 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:16" (1/1) ... [2022-10-17 17:02:16,308 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 17:02:16,309 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 17:02:16,309 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 17:02:16,309 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 17:02:16,311 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:16" (1/1) ... [2022-10-17 17:02:16,319 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 17:02:16,328 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13cc02fa-a4da-4307-9d0f-281d965d381c/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 17:02:16,344 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13cc02fa-a4da-4307-9d0f-281d965d381c/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 17:02:16,351 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13cc02fa-a4da-4307-9d0f-281d965d381c/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 17:02:16,390 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 17:02:16,390 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2022-10-17 17:02:16,391 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2022-10-17 17:02:16,392 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-10-17 17:02:16,392 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-10-17 17:02:16,392 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2022-10-17 17:02:16,392 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2022-10-17 17:02:16,392 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-10-17 17:02:16,392 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-10-17 17:02:16,392 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2022-10-17 17:02:16,392 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2022-10-17 17:02:16,393 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-10-17 17:02:16,393 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-10-17 17:02:16,393 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2022-10-17 17:02:16,394 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2022-10-17 17:02:16,394 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 17:02:16,394 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-10-17 17:02:16,394 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-10-17 17:02:16,394 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 17:02:16,394 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 17:02:16,523 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 17:02:16,526 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 17:02:17,101 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 17:02:17,263 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 17:02:17,267 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-10-17 17:02:17,270 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:02:17 BoogieIcfgContainer [2022-10-17 17:02:17,270 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 17:02:17,272 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 17:02:17,272 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 17:02:17,284 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 17:02:17,285 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:02:17" (1/1) ... [2022-10-17 17:02:17,297 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 17:02:17,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:17,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 65 states and 87 transitions. [2022-10-17 17:02:17,400 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 87 transitions. [2022-10-17 17:02:17,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-10-17 17:02:17,407 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:17,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:17,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:17,694 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 17:02:17,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:17,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 65 states and 85 transitions. [2022-10-17 17:02:17,748 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 85 transitions. [2022-10-17 17:02:17,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-10-17 17:02:17,750 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:17,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:17,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:17,934 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 17:02:17,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:17,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 67 states and 88 transitions. [2022-10-17 17:02:17,972 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 88 transitions. [2022-10-17 17:02:17,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-10-17 17:02:17,975 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:17,975 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:18,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:18,111 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 17:02:18,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:18,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 70 states and 96 transitions. [2022-10-17 17:02:18,144 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 96 transitions. [2022-10-17 17:02:18,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-10-17 17:02:18,146 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:18,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:18,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:18,212 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 17:02:18,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:18,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 78 states and 110 transitions. [2022-10-17 17:02:18,286 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 110 transitions. [2022-10-17 17:02:18,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-10-17 17:02:18,288 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:18,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:18,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:18,355 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 17:02:18,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:18,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 79 states and 111 transitions. [2022-10-17 17:02:18,372 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 111 transitions. [2022-10-17 17:02:18,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-10-17 17:02:18,374 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:18,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:18,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:18,430 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 17:02:18,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:18,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 80 states and 112 transitions. [2022-10-17 17:02:18,444 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 112 transitions. [2022-10-17 17:02:18,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-10-17 17:02:18,446 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:18,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:18,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:18,633 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 17:02:19,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:19,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 97 states and 147 transitions. [2022-10-17 17:02:19,045 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 147 transitions. [2022-10-17 17:02:19,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-10-17 17:02:19,055 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:19,055 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:19,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:19,205 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 17:02:19,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:19,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 98 states and 148 transitions. [2022-10-17 17:02:19,234 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 148 transitions. [2022-10-17 17:02:19,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-10-17 17:02:19,241 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:19,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:19,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:19,503 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 17:02:20,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:20,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 117 states and 186 transitions. [2022-10-17 17:02:20,472 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 186 transitions. [2022-10-17 17:02:20,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-10-17 17:02:20,473 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:20,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:20,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:20,583 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 17:02:20,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:20,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 123 states and 199 transitions. [2022-10-17 17:02:20,648 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 199 transitions. [2022-10-17 17:02:20,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-10-17 17:02:20,650 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:20,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:20,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:20,719 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 17:02:20,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:20,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 127 states and 205 transitions. [2022-10-17 17:02:20,856 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 205 transitions. [2022-10-17 17:02:20,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-10-17 17:02:20,865 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:20,867 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:20,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:20,916 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 17:02:20,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:20,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 128 states and 206 transitions. [2022-10-17 17:02:20,952 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 206 transitions. [2022-10-17 17:02:20,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-10-17 17:02:20,955 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:20,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:20,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:21,026 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 17:02:21,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:21,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 131 states and 213 transitions. [2022-10-17 17:02:21,231 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 213 transitions. [2022-10-17 17:02:21,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-10-17 17:02:21,232 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:21,233 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:21,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:21,381 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 17:02:21,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:21,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 137 states and 227 transitions. [2022-10-17 17:02:21,570 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 227 transitions. [2022-10-17 17:02:21,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-10-17 17:02:21,571 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:21,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:21,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:22,133 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 17:02:23,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:23,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 152 states and 264 transitions. [2022-10-17 17:02:23,700 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 264 transitions. [2022-10-17 17:02:23,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-10-17 17:02:23,703 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:23,704 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:23,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:23,824 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 17:02:24,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:24,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 153 states and 268 transitions. [2022-10-17 17:02:24,282 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 268 transitions. [2022-10-17 17:02:24,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-10-17 17:02:24,286 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:24,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:24,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:24,508 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 17:02:24,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:24,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 154 states and 269 transitions. [2022-10-17 17:02:24,710 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 269 transitions. [2022-10-17 17:02:24,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-10-17 17:02:24,712 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:24,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:24,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:24,758 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 17:02:24,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:24,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 158 states and 280 transitions. [2022-10-17 17:02:24,802 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 280 transitions. [2022-10-17 17:02:24,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-10-17 17:02:24,803 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:24,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:24,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 17:02:24,837 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 17:02:24,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 17:02:24,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 17:02:24,951 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 17:02:24,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 17:02:25,032 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 19 iterations. [2022-10-17 17:02:25,120 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 17.10 05:02:25 ImpRootNode [2022-10-17 17:02:25,121 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-10-17 17:02:25,121 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-10-17 17:02:25,121 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-10-17 17:02:25,121 INFO L275 PluginConnector]: Witness Printer initialized [2022-10-17 17:02:25,122 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:02:17" (3/4) ... [2022-10-17 17:02:25,124 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-10-17 17:02:25,227 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13cc02fa-a4da-4307-9d0f-281d965d381c/bin/ukojak-92XMlrwhuB/witness.graphml [2022-10-17 17:02:25,228 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-10-17 17:02:25,228 INFO L158 Benchmark]: Toolchain (without parser) took 9631.24ms. Allocated memory was 83.9MB in the beginning and 157.3MB in the end (delta: 73.4MB). Free memory was 46.6MB in the beginning and 108.9MB in the end (delta: -62.3MB). Peak memory consumption was 10.8MB. Max. memory is 16.1GB. [2022-10-17 17:02:25,229 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 83.9MB. Free memory is still 63.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 17:02:25,229 INFO L158 Benchmark]: CACSL2BoogieTranslator took 583.31ms. Allocated memory was 83.9MB in the beginning and 100.7MB in the end (delta: 16.8MB). Free memory was 46.4MB in the beginning and 67.1MB in the end (delta: -20.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-10-17 17:02:25,230 INFO L158 Benchmark]: Boogie Procedure Inliner took 63.46ms. Allocated memory is still 100.7MB. Free memory was 67.1MB in the beginning and 64.4MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 17:02:25,230 INFO L158 Benchmark]: Boogie Preprocessor took 59.00ms. Allocated memory is still 100.7MB. Free memory was 64.4MB in the beginning and 62.9MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 17:02:25,231 INFO L158 Benchmark]: RCFGBuilder took 961.59ms. Allocated memory is still 100.7MB. Free memory was 62.7MB in the beginning and 70.1MB in the end (delta: -7.5MB). Peak memory consumption was 25.8MB. Max. memory is 16.1GB. [2022-10-17 17:02:25,231 INFO L158 Benchmark]: CodeCheck took 7848.53ms. Allocated memory was 100.7MB in the beginning and 157.3MB in the end (delta: 56.6MB). Free memory was 70.1MB in the beginning and 113.2MB in the end (delta: -43.1MB). Peak memory consumption was 14.4MB. Max. memory is 16.1GB. [2022-10-17 17:02:25,232 INFO L158 Benchmark]: Witness Printer took 106.57ms. Allocated memory is still 157.3MB. Free memory was 113.2MB in the beginning and 108.9MB in the end (delta: 4.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-10-17 17:02:25,234 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 9 procedures, 65 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 7.7s, OverallIterations: 19, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3448 SdHoareTripleChecker+Valid, 5.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1462 mSDsluCounter, 3988 SdHoareTripleChecker+Invalid, 4.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2608 mSDsCounter, 765 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3023 IncrementalHoareTripleChecker+Invalid, 3788 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 765 mSolverCounterUnsat, 1506 mSDtfsCounter, 3023 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4313 GetRequests, 4166 SyntacticMatches, 25 SemanticMatches, 122 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6624 ImplicationChecksByTransitivity, 3.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.2s InterpolantComputationTime, 511 NumberOfCodeBlocks, 511 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 459 ConstructedInterpolants, 0 QuantifiedInterpolants, 1100 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 18 InterpolantComputations, 18 PerfectInterpolantSequences, 2/2 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: 500]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L61] int pumpRunning = 0; [L62] int systemActive = 1; [L362] int cleanupTimeShifts = 4; [L674] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L872] int waterLevel = 1; [L873] int methaneLevelCritical = 0; [L438] int retValue_acc ; [L439] int tmp ; [L443] FCALL select_helpers() [L444] FCALL select_features() [L445] CALL, EXPR valid_product() [L487] int retValue_acc ; [L490] retValue_acc = 1 [L491] return (retValue_acc); [L445] RET, EXPR valid_product() [L445] tmp = valid_product() [L447] COND TRUE \read(tmp) [L449] FCALL setup() [L450] CALL runTest() [L429] CALL test() [L267] int splverifierCounter ; [L268] int tmp ; [L269] int tmp___0 ; [L270] int tmp___1 ; [L271] int tmp___2 ; [L274] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L276] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L278] COND TRUE splverifierCounter < 4 [L284] tmp = __VERIFIER_nondet_int() [L286] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=-1, waterLevel=1] [L288] CALL waterRise() VAL [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L890] COND TRUE waterLevel < 2 [L891] waterLevel = waterLevel + 1 [L288] RET waterRise() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=-1, waterLevel=2] [L294] tmp___0 = __VERIFIER_nondet_int() [L296] COND TRUE \read(tmp___0) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=-1, tmp___0=1, waterLevel=2] [L298] CALL changeMethaneLevel() VAL [\old(methaneLevelCritical)=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L902] COND FALSE !(\read(methaneLevelCritical)) [L905] methaneLevelCritical = 1 [L298] RET changeMethaneLevel() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=-1, tmp___0=1, waterLevel=2] [L304] tmp___2 = __VERIFIER_nondet_int() [L306] COND TRUE \read(tmp___2) [L308] CALL startSystem() [L258] systemActive = 1 [L308] RET startSystem() [L323] CALL timeShift() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L69] COND FALSE !(\read(pumpRunning)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L76] COND TRUE \read(systemActive) [L78] CALL processEnvironment() [L124] int tmp ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L127] COND FALSE !(\read(pumpRunning)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L142] CALL processEnvironment__wrappee__highWaterSensor() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L98] int tmp ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L101] COND TRUE ! pumpRunning [L103] CALL, EXPR isHighWaterLevel() [L221] int retValue_acc ; [L222] int tmp ; [L223] int tmp___0 ; [L227] CALL, EXPR isHighWaterSensorDry() [L952] int retValue_acc ; [L955] COND FALSE !(waterLevel < 2) [L959] retValue_acc = 0 [L960] return (retValue_acc); [L227] RET, EXPR isHighWaterSensorDry() [L227] tmp = isHighWaterSensorDry() [L229] COND FALSE !(\read(tmp)) [L232] tmp___0 = 1 [L234] retValue_acc = tmp___0 [L235] return (retValue_acc); [L103] RET, EXPR isHighWaterLevel() [L103] tmp = isHighWaterLevel() [L105] COND TRUE \read(tmp) [L107] CALL activatePump() [L152] pumpRunning = 1 [L107] RET activatePump() [L142] RET processEnvironment__wrappee__highWaterSensor() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L78] RET processEnvironment() [L84] CALL __utac_acc__Specification1_spec__1() [L337] int tmp ; [L338] int tmp___0 ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L342] CALL, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L911] int retValue_acc ; [L914] retValue_acc = methaneLevelCritical [L915] return (retValue_acc); [L342] RET, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L342] tmp = isMethaneLevelCritical() [L344] COND TRUE \read(tmp) [L346] CALL, EXPR isPumpRunning() [L176] int retValue_acc ; [L179] retValue_acc = pumpRunning [L180] return (retValue_acc); [L346] RET, EXPR isPumpRunning() [L346] tmp___0 = isPumpRunning() [L348] COND TRUE \read(tmp___0) [L350] CALL __automaton_fail() [L500] reach_error() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 83.9MB. Free memory is still 63.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 583.31ms. Allocated memory was 83.9MB in the beginning and 100.7MB in the end (delta: 16.8MB). Free memory was 46.4MB in the beginning and 67.1MB in the end (delta: -20.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 63.46ms. Allocated memory is still 100.7MB. Free memory was 67.1MB in the beginning and 64.4MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 59.00ms. Allocated memory is still 100.7MB. Free memory was 64.4MB in the beginning and 62.9MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 961.59ms. Allocated memory is still 100.7MB. Free memory was 62.7MB in the beginning and 70.1MB in the end (delta: -7.5MB). Peak memory consumption was 25.8MB. Max. memory is 16.1GB. * CodeCheck took 7848.53ms. Allocated memory was 100.7MB in the beginning and 157.3MB in the end (delta: 56.6MB). Free memory was 70.1MB in the beginning and 113.2MB in the end (delta: -43.1MB). Peak memory consumption was 14.4MB. Max. memory is 16.1GB. * Witness Printer took 106.57ms. Allocated memory is still 157.3MB. Free memory was 113.2MB in the beginning and 108.9MB in the end (delta: 4.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2022-10-17 17:02:25,277 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13cc02fa-a4da-4307-9d0f-281d965d381c/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