./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product05.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_c4e83eaa-a9d6-4c1f-840a-4101d34c5950/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4e83eaa-a9d6-4c1f-840a-4101d34c5950/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_c4e83eaa-a9d6-4c1f-840a-4101d34c5950/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4e83eaa-a9d6-4c1f-840a-4101d34c5950/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product05.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4e83eaa-a9d6-4c1f-840a-4101d34c5950/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_c4e83eaa-a9d6-4c1f-840a-4101d34c5950/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 c6ca8c561d44a725c9e83a72546b64d4a8d527f7d8e8f11c5a3011fde526bfd5 --- 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 16:53:45,316 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:53:45,319 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:53:45,384 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:53:45,385 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:53:45,390 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:53:45,393 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:53:45,397 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:53:45,399 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:53:45,407 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:53:45,408 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:53:45,411 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:53:45,412 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:53:45,415 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:53:45,417 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:53:45,420 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:53:45,422 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:53:45,424 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:53:45,426 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:53:45,436 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:53:45,438 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:53:45,440 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:53:45,445 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:53:45,446 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:53:45,451 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:53:45,451 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:53:45,452 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:53:45,454 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:53:45,455 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:53:45,456 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:53:45,457 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:53:45,458 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:53:45,460 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:53:45,462 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:53:45,463 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:53:45,464 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:53:45,464 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:53:45,465 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:53:45,465 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:53:45,466 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:53:45,467 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:53:45,468 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4e83eaa-a9d6-4c1f-840a-4101d34c5950/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:53:45,521 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:53:45,522 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:53:45,523 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:53:45,523 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:53:45,524 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:53:45,524 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:53:45,524 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:53:45,525 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:53:45,525 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:53:45,525 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:53:45,526 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:53:45,526 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:53:45,526 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:53:45,526 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:53:45,527 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:53:45,527 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:53:45,527 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:53:45,527 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:53:45,528 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:53:45,528 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:53:45,528 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:53:45,528 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:53:45,529 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:53:45,529 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:53:45,529 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:53:45,530 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:53:45,530 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:53:45,530 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:53:45,530 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_c4e83eaa-a9d6-4c1f-840a-4101d34c5950/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4e83eaa-a9d6-4c1f-840a-4101d34c5950/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c6ca8c561d44a725c9e83a72546b64d4a8d527f7d8e8f11c5a3011fde526bfd5 [2022-10-17 16:53:45,877 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:53:45,917 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:53:45,920 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:53:45,921 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:53:45,923 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:53:45,925 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4e83eaa-a9d6-4c1f-840a-4101d34c5950/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/product-lines/minepump_spec4_product05.cil.c [2022-10-17 16:53:46,013 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4e83eaa-a9d6-4c1f-840a-4101d34c5950/bin/ukojak-92XMlrwhuB/data/caf2e5759/edb6f2672bb54d21a6eb08dc097dfca6/FLAG3182ba67f [2022-10-17 16:53:46,596 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:53:46,597 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4e83eaa-a9d6-4c1f-840a-4101d34c5950/sv-benchmarks/c/product-lines/minepump_spec4_product05.cil.c [2022-10-17 16:53:46,611 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4e83eaa-a9d6-4c1f-840a-4101d34c5950/bin/ukojak-92XMlrwhuB/data/caf2e5759/edb6f2672bb54d21a6eb08dc097dfca6/FLAG3182ba67f [2022-10-17 16:53:46,911 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4e83eaa-a9d6-4c1f-840a-4101d34c5950/bin/ukojak-92XMlrwhuB/data/caf2e5759/edb6f2672bb54d21a6eb08dc097dfca6 [2022-10-17 16:53:46,914 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:53:46,915 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:53:46,919 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:53:46,919 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:53:46,923 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:53:46,924 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:53:46" (1/1) ... [2022-10-17 16:53:46,925 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67f1b354 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:53:46, skipping insertion in model container [2022-10-17 16:53:46,925 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:53:46" (1/1) ... [2022-10-17 16:53:46,933 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:53:46,995 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:53:47,332 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_c4e83eaa-a9d6-4c1f-840a-4101d34c5950/sv-benchmarks/c/product-lines/minepump_spec4_product05.cil.c[16642,16655] [2022-10-17 16:53:47,352 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:53:47,377 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:53:47,499 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_c4e83eaa-a9d6-4c1f-840a-4101d34c5950/sv-benchmarks/c/product-lines/minepump_spec4_product05.cil.c[16642,16655] [2022-10-17 16:53:47,501 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:53:47,532 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:53:47,533 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:53:47 WrapperNode [2022-10-17 16:53:47,533 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:53:47,534 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:53:47,535 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:53:47,536 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:53:47,545 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:53:47" (1/1) ... [2022-10-17 16:53:47,575 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:53:47" (1/1) ... [2022-10-17 16:53:47,612 INFO L138 Inliner]: procedures = 50, calls = 148, calls flagged for inlining = 20, calls inlined = 17, statements flattened = 213 [2022-10-17 16:53:47,613 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:53:47,613 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:53:47,614 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:53:47,614 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:53:47,622 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:53:47" (1/1) ... [2022-10-17 16:53:47,623 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:53:47" (1/1) ... [2022-10-17 16:53:47,626 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:53:47" (1/1) ... [2022-10-17 16:53:47,626 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:53:47" (1/1) ... [2022-10-17 16:53:47,633 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:53:47" (1/1) ... [2022-10-17 16:53:47,645 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:53:47" (1/1) ... [2022-10-17 16:53:47,647 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:53:47" (1/1) ... [2022-10-17 16:53:47,649 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:53:47" (1/1) ... [2022-10-17 16:53:47,652 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:53:47,653 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:53:47,659 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:53:47,659 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:53:47,665 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:53:47" (1/1) ... [2022-10-17 16:53:47,672 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:53:47,685 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4e83eaa-a9d6-4c1f-840a-4101d34c5950/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:53:47,697 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4e83eaa-a9d6-4c1f-840a-4101d34c5950/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:53:47,715 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4e83eaa-a9d6-4c1f-840a-4101d34c5950/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:53:47,747 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:53:47,747 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2022-10-17 16:53:47,748 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2022-10-17 16:53:47,748 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-10-17 16:53:47,748 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-10-17 16:53:47,748 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-10-17 16:53:47,748 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-10-17 16:53:47,748 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-10-17 16:53:47,749 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-10-17 16:53:47,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:53:47,749 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-10-17 16:53:47,749 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-10-17 16:53:47,749 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:53:47,749 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:53:47,826 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:53:47,828 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:53:48,218 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:53:48,395 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:53:48,396 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-10-17 16:53:48,399 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:53:48 BoogieIcfgContainer [2022-10-17 16:53:48,400 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:53:48,403 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:53:48,403 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:53:48,433 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:53:48,433 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:53:48" (1/1) ... [2022-10-17 16:53:48,445 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:53:48,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:53:48,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 44 states and 58 transitions. [2022-10-17 16:53:48,540 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 58 transitions. [2022-10-17 16:53:48,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-10-17 16:53:48,546 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:53:48,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:53:48,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:53:48,827 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 16:53:48,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:53:48,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 44 states and 56 transitions. [2022-10-17 16:53:48,901 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 56 transitions. [2022-10-17 16:53:48,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-17 16:53:48,903 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:53:48,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:53:48,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:53:49,089 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 16:53:49,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:53:49,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 46 states and 59 transitions. [2022-10-17 16:53:49,135 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 59 transitions. [2022-10-17 16:53:49,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 16:53:49,137 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:53:49,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:53:49,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:53:49,292 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 16:53:49,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:53:49,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 55 states and 76 transitions. [2022-10-17 16:53:49,458 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 76 transitions. [2022-10-17 16:53:49,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-10-17 16:53:49,460 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:53:49,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:53:49,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:53:49,660 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 16:53:49,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:53:49,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 56 states and 77 transitions. [2022-10-17 16:53:49,698 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 77 transitions. [2022-10-17 16:53:49,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-10-17 16:53:49,700 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:53:49,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:53:49,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:53:49,860 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 16:53:49,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:53:49,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 57 states and 78 transitions. [2022-10-17 16:53:49,894 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 78 transitions. [2022-10-17 16:53:49,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-10-17 16:53:49,896 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:53:49,897 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:53:49,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:53:50,031 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 16:53:50,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:53:50,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 67 states and 98 transitions. [2022-10-17 16:53:50,423 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 98 transitions. [2022-10-17 16:53:50,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-10-17 16:53:50,425 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:53:50,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:53:50,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:53:50,606 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 16:53:51,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:53:51,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 81 states and 129 transitions. [2022-10-17 16:53:51,132 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 129 transitions. [2022-10-17 16:53:51,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-10-17 16:53:51,134 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:53:51,134 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:53:51,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:53:51,217 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 16:53:51,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:53:51,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 82 states and 130 transitions. [2022-10-17 16:53:51,242 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 130 transitions. [2022-10-17 16:53:51,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-10-17 16:53:51,246 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:53:51,246 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:53:51,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:53:51,311 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 16:53:51,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:53:51,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 83 states and 131 transitions. [2022-10-17 16:53:51,333 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 131 transitions. [2022-10-17 16:53:51,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-10-17 16:53:51,335 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:53:51,336 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:53:51,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:53:51,476 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 16:53:51,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:53:51,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 87 states and 137 transitions. [2022-10-17 16:53:51,668 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 137 transitions. [2022-10-17 16:53:51,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-10-17 16:53:51,670 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:53:51,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:53:51,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:53:51,717 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:53:51,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:53:51,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 92 states and 146 transitions. [2022-10-17 16:53:51,820 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 146 transitions. [2022-10-17 16:53:51,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-10-17 16:53:51,825 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:53:51,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:53:51,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:53:51,893 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:53:51,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:53:51,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 93 states and 149 transitions. [2022-10-17 16:53:51,979 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 149 transitions. [2022-10-17 16:53:51,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-10-17 16:53:51,983 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:53:51,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:53:52,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:53:52,079 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:53:52,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:53:52,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 94 states and 152 transitions. [2022-10-17 16:53:52,135 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 152 transitions. [2022-10-17 16:53:52,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-10-17 16:53:52,137 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:53:52,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:53:52,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:53:52,237 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:53:52,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:53:52,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 98 states and 157 transitions. [2022-10-17 16:53:52,363 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 157 transitions. [2022-10-17 16:53:52,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-10-17 16:53:52,366 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:53:52,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:53:52,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:53:52,524 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-10-17 16:53:53,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:53:53,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 103 states and 173 transitions. [2022-10-17 16:53:53,207 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 173 transitions. [2022-10-17 16:53:53,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-10-17 16:53:53,209 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:53:53,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:53:53,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:53:53,289 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-10-17 16:53:53,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:53:53,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 106 states and 179 transitions. [2022-10-17 16:53:53,778 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 179 transitions. [2022-10-17 16:53:53,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-10-17 16:53:53,780 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:53:53,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:53:53,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:53:54,397 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:53:56,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:53:56,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 117 states and 208 transitions. [2022-10-17 16:53:56,218 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 208 transitions. [2022-10-17 16:53:56,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-10-17 16:53:56,219 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:53:56,219 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:53:56,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:53:56,538 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:53:56,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:53:56,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 118 states and 209 transitions. [2022-10-17 16:53:56,718 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 209 transitions. [2022-10-17 16:53:56,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-10-17 16:53:56,720 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:53:56,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:53:56,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:53:56,945 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:53:57,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:53:57,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 119 states and 210 transitions. [2022-10-17 16:53:57,004 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 210 transitions. [2022-10-17 16:53:57,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-10-17 16:53:57,006 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:53:57,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:53:57,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:53:57,053 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-10-17 16:53:57,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:53:57,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 120 states and 210 transitions. [2022-10-17 16:53:57,084 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 210 transitions. [2022-10-17 16:53:57,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-10-17 16:53:57,085 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:53:57,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:53:57,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:53:57,188 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 7 proven. 6 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2022-10-17 16:53:57,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:53:57,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 50 states and 68 transitions. [2022-10-17 16:53:57,417 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 68 transitions. [2022-10-17 16:53:57,418 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-10-17 16:53:57,419 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 22 iterations. [2022-10-17 16:53:57,428 INFO L754 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2022-10-17 16:53:57,650 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-10-17 16:53:57,655 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-10-17 16:53:57,655 INFO L560 CodeCheckObserver]: Invariant with dag size 16 [2022-10-17 16:53:57,660 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-10-17 16:53:57,660 INFO L560 CodeCheckObserver]: Invariant with dag size 10 [2022-10-17 16:53:57,661 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-10-17 16:53:57,661 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-10-17 16:53:57,662 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-10-17 16:53:57,662 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-10-17 16:53:57,662 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-10-17 16:53:57,662 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-10-17 16:53:57,662 INFO L560 CodeCheckObserver]: Invariant with dag size 14 [2022-10-17 16:53:57,663 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-10-17 16:53:57,663 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-10-17 16:53:57,667 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-10-17 16:53:57,668 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-10-17 16:53:57,668 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 17.10 04:53:57 ImpRootNode [2022-10-17 16:53:57,668 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-10-17 16:53:57,669 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-10-17 16:53:57,669 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-10-17 16:53:57,669 INFO L275 PluginConnector]: Witness Printer initialized [2022-10-17 16:53:57,670 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:53:48" (3/4) ... [2022-10-17 16:53:57,673 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-10-17 16:53:57,679 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2022-10-17 16:53:57,679 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2022-10-17 16:53:57,679 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2022-10-17 16:53:57,679 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2022-10-17 16:53:57,680 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2022-10-17 16:53:57,698 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 68 nodes and edges [2022-10-17 16:53:57,699 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2022-10-17 16:53:57,700 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2022-10-17 16:53:57,700 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-10-17 16:53:57,700 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-10-17 16:53:57,701 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-10-17 16:53:57,701 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-10-17 16:53:57,723 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(pumpRunning == 0) || (pumpRunning == \old(pumpRunning) && waterLevel == 1)) || (pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel)) || 0 == systemActive [2022-10-17 16:53:57,724 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(pumpRunning == 0) || (pumpRunning == \old(pumpRunning) && waterLevel == 1)) || (pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) [2022-10-17 16:53:57,785 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4e83eaa-a9d6-4c1f-840a-4101d34c5950/bin/ukojak-92XMlrwhuB/witness.graphml [2022-10-17 16:53:57,786 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-10-17 16:53:57,786 INFO L158 Benchmark]: Toolchain (without parser) took 10871.19ms. Allocated memory was 107.0MB in the beginning and 201.3MB in the end (delta: 94.4MB). Free memory was 62.9MB in the beginning and 71.3MB in the end (delta: -8.4MB). Peak memory consumption was 84.3MB. Max. memory is 16.1GB. [2022-10-17 16:53:57,787 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 107.0MB. Free memory is still 80.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:53:57,787 INFO L158 Benchmark]: CACSL2BoogieTranslator took 614.60ms. Allocated memory is still 107.0MB. Free memory was 62.8MB in the beginning and 73.9MB in the end (delta: -11.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-10-17 16:53:57,788 INFO L158 Benchmark]: Boogie Procedure Inliner took 78.45ms. Allocated memory is still 107.0MB. Free memory was 73.9MB in the beginning and 71.4MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-10-17 16:53:57,788 INFO L158 Benchmark]: Boogie Preprocessor took 38.42ms. Allocated memory is still 107.0MB. Free memory was 71.4MB in the beginning and 70.0MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:53:57,789 INFO L158 Benchmark]: RCFGBuilder took 747.12ms. Allocated memory is still 107.0MB. Free memory was 69.7MB in the beginning and 42.7MB in the end (delta: 26.9MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2022-10-17 16:53:57,789 INFO L158 Benchmark]: CodeCheck took 9265.68ms. Allocated memory was 107.0MB in the beginning and 201.3MB in the end (delta: 94.4MB). Free memory was 42.4MB in the beginning and 75.5MB in the end (delta: -33.1MB). Peak memory consumption was 63.3MB. Max. memory is 16.1GB. [2022-10-17 16:53:57,790 INFO L158 Benchmark]: Witness Printer took 116.89ms. Allocated memory is still 201.3MB. Free memory was 75.5MB in the beginning and 71.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-10-17 16:53:57,792 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 6 procedures, 44 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 8.9s, OverallIterations: 22, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3731 SdHoareTripleChecker+Valid, 9.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1636 mSDsluCounter, 3284 SdHoareTripleChecker+Invalid, 7.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2525 mSDsCounter, 1019 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4336 IncrementalHoareTripleChecker+Invalid, 5355 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1019 mSolverCounterUnsat, 1119 mSDtfsCounter, 4336 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 6115 GetRequests, 5945 SyntacticMatches, 36 SemanticMatches, 134 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7691 ImplicationChecksByTransitivity, 4.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.8s InterpolantComputationTime, 632 NumberOfCodeBlocks, 632 NumberOfCodeBlocksAsserted, 21 NumberOfCheckSat, 611 ConstructedInterpolants, 0 QuantifiedInterpolants, 1593 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 21 InterpolantComputations, 18 PerfectInterpolantSequences, 169/181 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 - PositiveResult [Line: 837]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 716]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 837]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 676]: Loop Invariant Derived loop invariant: ((!(pumpRunning == 0) || (pumpRunning == \old(pumpRunning) && waterLevel == 1)) || (pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel)) || 0 == systemActive - InvariantResult [Line: 708]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 590]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && tmp == systemActive) && waterLevel == 1 - InvariantResult [Line: 807]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 514]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 815]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 604]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 590]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 712]: Loop Invariant Derived loop invariant: (!(pumpRunning == 0) || (pumpRunning == \old(pumpRunning) && waterLevel == 1)) || (pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) - InvariantResult [Line: 504]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 687]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 613]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 614]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 107.0MB. Free memory is still 80.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 614.60ms. Allocated memory is still 107.0MB. Free memory was 62.8MB in the beginning and 73.9MB in the end (delta: -11.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 78.45ms. Allocated memory is still 107.0MB. Free memory was 73.9MB in the beginning and 71.4MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.42ms. Allocated memory is still 107.0MB. Free memory was 71.4MB in the beginning and 70.0MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 747.12ms. Allocated memory is still 107.0MB. Free memory was 69.7MB in the beginning and 42.7MB in the end (delta: 26.9MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * CodeCheck took 9265.68ms. Allocated memory was 107.0MB in the beginning and 201.3MB in the end (delta: 94.4MB). Free memory was 42.4MB in the beginning and 75.5MB in the end (delta: -33.1MB). Peak memory consumption was 63.3MB. Max. memory is 16.1GB. * Witness Printer took 116.89ms. Allocated memory is still 201.3MB. Free memory was 75.5MB in the beginning and 71.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-10-17 16:53:57,837 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4e83eaa-a9d6-4c1f-840a-4101d34c5950/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE