./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product31.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_744ab62e-0906-4b07-b5eb-a0fd1ae883da/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_744ab62e-0906-4b07-b5eb-a0fd1ae883da/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_744ab62e-0906-4b07-b5eb-a0fd1ae883da/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_744ab62e-0906-4b07-b5eb-a0fd1ae883da/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product31.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_744ab62e-0906-4b07-b5eb-a0fd1ae883da/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_744ab62e-0906-4b07-b5eb-a0fd1ae883da/bin/ukojak-verify-Qdu7aM0XO9 --witnessprinter.witness.filename witness --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 0b26970eb65416cb1a1e0bb57bcc2feb0d77f09134ca74c3d0e7292816d2c43c --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 21:17:22,150 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 21:17:22,221 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_744ab62e-0906-4b07-b5eb-a0fd1ae883da/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-02 21:17:22,225 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 21:17:22,226 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 21:17:22,250 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 21:17:22,251 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 21:17:22,251 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 21:17:22,252 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 21:17:22,253 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 21:17:22,253 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 21:17:22,254 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 21:17:22,254 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 21:17:22,255 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 21:17:22,255 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 21:17:22,256 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 21:17:22,256 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 21:17:22,257 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 21:17:22,257 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 21:17:22,258 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 21:17:22,258 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 21:17:22,262 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 21:17:22,262 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 21:17:22,263 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 21:17:22,263 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 21:17:22,263 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 21:17:22,264 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:17:22,264 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 21:17:22,265 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 21:17:22,265 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 21:17:22,266 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 21:17:22,266 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 21:17:22,266 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 21:17:22,266 INFO L153 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_744ab62e-0906-4b07-b5eb-a0fd1ae883da/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_744ab62e-0906-4b07-b5eb-a0fd1ae883da/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0b26970eb65416cb1a1e0bb57bcc2feb0d77f09134ca74c3d0e7292816d2c43c [2023-12-02 21:17:22,499 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 21:17:22,522 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 21:17:22,525 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 21:17:22,526 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 21:17:22,527 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 21:17:22,528 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_744ab62e-0906-4b07-b5eb-a0fd1ae883da/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/product-lines/minepump_spec1_product31.cil.c [2023-12-02 21:17:25,228 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 21:17:25,449 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 21:17:25,450 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_744ab62e-0906-4b07-b5eb-a0fd1ae883da/sv-benchmarks/c/product-lines/minepump_spec1_product31.cil.c [2023-12-02 21:17:25,464 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_744ab62e-0906-4b07-b5eb-a0fd1ae883da/bin/ukojak-verify-Qdu7aM0XO9/data/f0657df9f/8413df16d5f64921b1f62448d5a475e2/FLAGa59e2d83b [2023-12-02 21:17:25,479 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_744ab62e-0906-4b07-b5eb-a0fd1ae883da/bin/ukojak-verify-Qdu7aM0XO9/data/f0657df9f/8413df16d5f64921b1f62448d5a475e2 [2023-12-02 21:17:25,481 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 21:17:25,483 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 21:17:25,484 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 21:17:25,484 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 21:17:25,489 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 21:17:25,490 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:17:25" (1/1) ... [2023-12-02 21:17:25,491 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72a529ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:17:25, skipping insertion in model container [2023-12-02 21:17:25,491 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:17:25" (1/1) ... [2023-12-02 21:17:25,540 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 21:17:25,739 WARN L240 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_744ab62e-0906-4b07-b5eb-a0fd1ae883da/sv-benchmarks/c/product-lines/minepump_spec1_product31.cil.c[8611,8624] [2023-12-02 21:17:25,791 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:17:25,802 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 21:17:25,812 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [49] [2023-12-02 21:17:25,814 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [153] [2023-12-02 21:17:25,814 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [247] [2023-12-02 21:17:25,814 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification1_spec.i","") [282] [2023-12-02 21:17:25,814 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [310] [2023-12-02 21:17:25,815 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [523] [2023-12-02 21:17:25,815 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [590] [2023-12-02 21:17:25,815 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [599] [2023-12-02 21:17:25,838 WARN L240 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_744ab62e-0906-4b07-b5eb-a0fd1ae883da/sv-benchmarks/c/product-lines/minepump_spec1_product31.cil.c[8611,8624] [2023-12-02 21:17:25,867 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:17:25,884 INFO L206 MainTranslator]: Completed translation [2023-12-02 21:17:25,884 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:17:25 WrapperNode [2023-12-02 21:17:25,884 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 21:17:25,886 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 21:17:25,886 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 21:17:25,886 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 21:17:25,893 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:17:25" (1/1) ... [2023-12-02 21:17:25,907 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:17:25" (1/1) ... [2023-12-02 21:17:25,933 INFO L138 Inliner]: procedures = 55, calls = 101, calls flagged for inlining = 20, calls inlined = 16, statements flattened = 174 [2023-12-02 21:17:25,934 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 21:17:25,935 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 21:17:25,935 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 21:17:25,935 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 21:17:25,943 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:17:25" (1/1) ... [2023-12-02 21:17:25,943 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:17:25" (1/1) ... [2023-12-02 21:17:25,945 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:17:25" (1/1) ... [2023-12-02 21:17:25,945 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:17:25" (1/1) ... [2023-12-02 21:17:25,950 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:17:25" (1/1) ... [2023-12-02 21:17:25,953 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:17:25" (1/1) ... [2023-12-02 21:17:25,955 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:17:25" (1/1) ... [2023-12-02 21:17:25,956 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:17:25" (1/1) ... [2023-12-02 21:17:25,959 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 21:17:25,960 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 21:17:25,960 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 21:17:25,960 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 21:17:25,961 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:17:25" (1/1) ... [2023-12-02 21:17:25,967 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:17:25,982 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_744ab62e-0906-4b07-b5eb-a0fd1ae883da/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 21:17:25,994 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_744ab62e-0906-4b07-b5eb-a0fd1ae883da/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 21:17:25,998 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_744ab62e-0906-4b07-b5eb-a0fd1ae883da/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 21:17:26,024 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 21:17:26,024 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2023-12-02 21:17:26,024 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2023-12-02 21:17:26,024 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2023-12-02 21:17:26,025 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2023-12-02 21:17:26,025 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2023-12-02 21:17:26,025 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2023-12-02 21:17:26,025 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2023-12-02 21:17:26,025 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2023-12-02 21:17:26,025 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2023-12-02 21:17:26,026 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2023-12-02 21:17:26,026 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2023-12-02 21:17:26,026 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2023-12-02 21:17:26,026 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2023-12-02 21:17:26,026 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2023-12-02 21:17:26,026 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2023-12-02 21:17:26,027 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2023-12-02 21:17:26,027 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 21:17:26,027 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2023-12-02 21:17:26,027 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2023-12-02 21:17:26,027 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 21:17:26,027 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 21:17:26,096 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 21:17:26,108 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 21:17:26,336 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 21:17:26,423 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 21:17:26,424 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-12-02 21:17:26,425 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:17:26 BoogieIcfgContainer [2023-12-02 21:17:26,426 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 21:17:26,427 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 21:17:26,427 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 21:17:26,437 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 21:17:26,437 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:17:26" (1/1) ... [2023-12-02 21:17:26,445 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 21:17:26,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:17:26,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 70 states and 93 transitions. [2023-12-02 21:17:26,502 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 93 transitions. [2023-12-02 21:17:26,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-12-02 21:17:26,507 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:17:26,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:17:26,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:17:26,672 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:17:26,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:17:26,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 70 states and 91 transitions. [2023-12-02 21:17:26,708 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 91 transitions. [2023-12-02 21:17:26,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-02 21:17:26,710 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:17:26,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:17:26,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:17:26,808 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:17:26,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:17:26,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 72 states and 94 transitions. [2023-12-02 21:17:26,832 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 94 transitions. [2023-12-02 21:17:26,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-12-02 21:17:26,833 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:17:26,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:17:26,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:17:26,966 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:17:27,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:17:27,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 82 states and 114 transitions. [2023-12-02 21:17:27,082 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 114 transitions. [2023-12-02 21:17:27,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-02 21:17:27,083 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:17:27,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:17:27,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:17:27,160 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:17:27,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:17:27,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 83 states and 115 transitions. [2023-12-02 21:17:27,179 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 115 transitions. [2023-12-02 21:17:27,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-02 21:17:27,180 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:17:27,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:17:27,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:17:27,247 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:17:27,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:17:27,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 84 states and 116 transitions. [2023-12-02 21:17:27,263 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 116 transitions. [2023-12-02 21:17:27,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-02 21:17:27,264 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:17:27,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:17:27,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:17:27,317 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:17:27,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:17:27,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 85 states and 117 transitions. [2023-12-02 21:17:27,332 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 117 transitions. [2023-12-02 21:17:27,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-02 21:17:27,333 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:17:27,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:17:27,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:17:27,404 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:17:27,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:17:27,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 103 states and 152 transitions. [2023-12-02 21:17:27,779 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 152 transitions. [2023-12-02 21:17:27,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-12-02 21:17:27,782 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:17:27,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:17:27,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:17:27,861 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:17:27,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:17:27,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 110 states and 168 transitions. [2023-12-02 21:17:27,950 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 168 transitions. [2023-12-02 21:17:27,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-12-02 21:17:27,952 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:17:27,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:17:27,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:17:27,978 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:17:27,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:17:27,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 111 states and 169 transitions. [2023-12-02 21:17:27,997 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 169 transitions. [2023-12-02 21:17:27,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-12-02 21:17:27,999 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:17:27,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:17:28,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:17:28,020 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:17:28,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:17:28,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 112 states and 170 transitions. [2023-12-02 21:17:28,040 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 170 transitions. [2023-12-02 21:17:28,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-12-02 21:17:28,042 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:17:28,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:17:28,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:17:28,134 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:17:28,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:17:28,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 114 states and 173 transitions. [2023-12-02 21:17:28,278 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 173 transitions. [2023-12-02 21:17:28,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-12-02 21:17:28,279 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:17:28,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:17:28,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:17:28,333 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:17:28,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:17:28,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 112 states and 169 transitions. [2023-12-02 21:17:28,355 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 169 transitions. [2023-12-02 21:17:28,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-12-02 21:17:28,356 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:17:28,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:17:28,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:17:28,395 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 21:17:28,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:17:28,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 121 states and 188 transitions. [2023-12-02 21:17:28,656 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 188 transitions. [2023-12-02 21:17:28,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-12-02 21:17:28,657 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:17:28,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:17:28,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:17:28,700 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 21:17:28,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:17:28,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 122 states and 189 transitions. [2023-12-02 21:17:28,725 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 189 transitions. [2023-12-02 21:17:28,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-12-02 21:17:28,726 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:17:28,726 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:17:28,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:17:28,764 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 21:17:28,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:17:28,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 123 states and 190 transitions. [2023-12-02 21:17:28,788 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 190 transitions. [2023-12-02 21:17:28,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-12-02 21:17:28,790 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:17:28,790 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:17:28,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:17:28,867 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-12-02 21:17:29,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:17:29,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 136 states and 222 transitions. [2023-12-02 21:17:29,198 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 222 transitions. [2023-12-02 21:17:29,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-12-02 21:17:29,199 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:17:29,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:17:29,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:17:29,236 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 21:17:29,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:17:29,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 137 states and 223 transitions. [2023-12-02 21:17:29,269 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 223 transitions. [2023-12-02 21:17:29,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-12-02 21:17:29,270 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:17:29,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:17:29,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:17:29,341 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-12-02 21:17:29,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:17:29,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 138 states and 221 transitions. [2023-12-02 21:17:29,465 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 221 transitions. [2023-12-02 21:17:29,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-12-02 21:17:29,466 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:17:29,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:17:29,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:17:29,534 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-12-02 21:17:29,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:17:29,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 139 states and 221 transitions. [2023-12-02 21:17:29,557 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 221 transitions. [2023-12-02 21:17:29,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-12-02 21:17:29,558 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:17:29,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:17:29,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:17:29,640 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-12-02 21:17:29,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:17:29,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 140 states and 222 transitions. [2023-12-02 21:17:29,669 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 222 transitions. [2023-12-02 21:17:29,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-12-02 21:17:29,670 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:17:29,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:17:29,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:17:29,738 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-12-02 21:17:29,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:17:29,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 141 states and 223 transitions. [2023-12-02 21:17:29,767 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 223 transitions. [2023-12-02 21:17:29,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-02 21:17:29,768 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:17:29,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:17:29,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:17:29,829 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-12-02 21:17:29,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:17:29,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 142 states and 224 transitions. [2023-12-02 21:17:29,987 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 224 transitions. [2023-12-02 21:17:29,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-12-02 21:17:29,988 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:17:29,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:17:29,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:17:30,029 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2023-12-02 21:17:30,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:17:30,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 147 states and 233 transitions. [2023-12-02 21:17:30,061 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 233 transitions. [2023-12-02 21:17:30,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-02 21:17:30,062 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:17:30,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:17:30,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:17:30,113 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2023-12-02 21:17:30,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:17:30,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 148 states and 233 transitions. [2023-12-02 21:17:30,142 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 233 transitions. [2023-12-02 21:17:30,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-12-02 21:17:30,143 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:17:30,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:17:30,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:17:30,194 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2023-12-02 21:17:30,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:17:30,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 149 states and 234 transitions. [2023-12-02 21:17:30,230 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 234 transitions. [2023-12-02 21:17:30,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-12-02 21:17:30,231 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:17:30,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:17:30,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:17:30,280 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2023-12-02 21:17:30,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:17:30,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 62 states and 78 transitions. [2023-12-02 21:17:30,309 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 78 transitions. [2023-12-02 21:17:30,309 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-02 21:17:30,310 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 27 iterations. [2023-12-02 21:17:30,317 INFO L751 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2023-12-02 21:17:30,471 INFO L560 CodeCheckObserver]: Invariant with dag size 3 [2023-12-02 21:17:30,477 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-02 21:17:30,478 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-02 21:17:30,478 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-02 21:17:30,478 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-02 21:17:30,478 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-02 21:17:30,478 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-02 21:17:30,478 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-02 21:17:30,478 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-02 21:17:30,479 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-02 21:17:30,479 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-02 21:17:30,479 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-02 21:17:30,479 INFO L560 CodeCheckObserver]: Invariant with dag size 7 [2023-12-02 21:17:30,480 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-02 21:17:30,480 INFO L560 CodeCheckObserver]: Invariant with dag size 7 [2023-12-02 21:17:30,480 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 09:17:30 ImpRootNode [2023-12-02 21:17:30,481 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-02 21:17:30,481 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 21:17:30,481 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 21:17:30,481 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 21:17:30,482 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:17:26" (3/4) ... [2023-12-02 21:17:30,484 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-12-02 21:17:30,487 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2023-12-02 21:17:30,487 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2023-12-02 21:17:30,487 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2023-12-02 21:17:30,487 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2023-12-02 21:17:30,487 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2023-12-02 21:17:30,487 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2023-12-02 21:17:30,488 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2023-12-02 21:17:30,488 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2023-12-02 21:17:30,488 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2023-12-02 21:17:30,495 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 39 nodes and edges [2023-12-02 21:17:30,496 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2023-12-02 21:17:30,496 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-12-02 21:17:30,497 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-12-02 21:17:30,497 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-12-02 21:17:30,525 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == \old(pumpRunning)) || !((pumpRunning == 0))) [2023-12-02 21:17:30,527 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (pumpRunning == \old(pumpRunning)) [2023-12-02 21:17:30,575 WARN L141 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == \old(pumpRunning)) || !((pumpRunning == 0))) [2023-12-02 21:17:30,576 WARN L141 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (pumpRunning == \old(pumpRunning)) [2023-12-02 21:17:30,613 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_744ab62e-0906-4b07-b5eb-a0fd1ae883da/bin/ukojak-verify-Qdu7aM0XO9/witness.graphml [2023-12-02 21:17:30,613 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_744ab62e-0906-4b07-b5eb-a0fd1ae883da/bin/ukojak-verify-Qdu7aM0XO9/witness.yml [2023-12-02 21:17:30,613 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 21:17:30,614 INFO L158 Benchmark]: Toolchain (without parser) took 5131.22ms. Allocated memory was 140.5MB in the beginning and 230.7MB in the end (delta: 90.2MB). Free memory was 99.8MB in the beginning and 132.9MB in the end (delta: -33.1MB). Peak memory consumption was 60.2MB. Max. memory is 16.1GB. [2023-12-02 21:17:30,614 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 140.5MB. Free memory is still 81.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 21:17:30,615 INFO L158 Benchmark]: CACSL2BoogieTranslator took 400.76ms. Allocated memory is still 140.5MB. Free memory was 99.4MB in the beginning and 80.2MB in the end (delta: 19.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-12-02 21:17:30,615 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.38ms. Allocated memory is still 140.5MB. Free memory was 80.2MB in the beginning and 78.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 21:17:30,615 INFO L158 Benchmark]: Boogie Preprocessor took 24.80ms. Allocated memory is still 140.5MB. Free memory was 78.1MB in the beginning and 76.3MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 21:17:30,616 INFO L158 Benchmark]: RCFGBuilder took 465.74ms. Allocated memory was 140.5MB in the beginning and 190.8MB in the end (delta: 50.3MB). Free memory was 76.3MB in the beginning and 144.2MB in the end (delta: -67.9MB). Peak memory consumption was 15.5MB. Max. memory is 16.1GB. [2023-12-02 21:17:30,616 INFO L158 Benchmark]: CodeCheck took 4053.91ms. Allocated memory was 190.8MB in the beginning and 230.7MB in the end (delta: 39.8MB). Free memory was 144.2MB in the beginning and 140.2MB in the end (delta: 4.0MB). Peak memory consumption was 42.6MB. Max. memory is 16.1GB. [2023-12-02 21:17:30,616 INFO L158 Benchmark]: Witness Printer took 132.32ms. Allocated memory is still 230.7MB. Free memory was 140.2MB in the beginning and 132.9MB in the end (delta: 7.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-12-02 21:17:30,618 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 10 procedures, 70 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 3.9s, OverallIterations: 27, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 5220 SdHoareTripleChecker+Valid, 6.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2604 mSDsluCounter, 6264 SdHoareTripleChecker+Invalid, 5.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4029 mSDsCounter, 1138 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4452 IncrementalHoareTripleChecker+Invalid, 5590 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1138 mSolverCounterUnsat, 2235 mSDtfsCounter, 4452 mSolverCounterSat, 0.3s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 8015 GetRequests, 7949 SyntacticMatches, 0 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1418 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 956 NumberOfCodeBlocks, 956 NumberOfCodeBlocksAsserted, 26 NumberOfCheckSat, 930 ConstructedInterpolants, 0 QuantifiedInterpolants, 1987 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 26 InterpolantComputations, 21 PerfectInterpolantSequences, 260/291 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: 595]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 353]: Loop Invariant Derived loop invariant: (pumpRunning == \old(pumpRunning)) - InvariantResult [Line: 595]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 375]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 524]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 293]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 534]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 512]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 62]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 285]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 140]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 140]: Loop Invariant Derived loop invariant: ((tmp == systemActive) && (pumpRunning == 0)) - InvariantResult [Line: 533]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 317]: Loop Invariant Derived loop invariant: ((pumpRunning == \old(pumpRunning)) || !((pumpRunning == 0))) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 140.5MB. Free memory is still 81.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 400.76ms. Allocated memory is still 140.5MB. Free memory was 99.4MB in the beginning and 80.2MB in the end (delta: 19.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.38ms. Allocated memory is still 140.5MB. Free memory was 80.2MB in the beginning and 78.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 24.80ms. Allocated memory is still 140.5MB. Free memory was 78.1MB in the beginning and 76.3MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 465.74ms. Allocated memory was 140.5MB in the beginning and 190.8MB in the end (delta: 50.3MB). Free memory was 76.3MB in the beginning and 144.2MB in the end (delta: -67.9MB). Peak memory consumption was 15.5MB. Max. memory is 16.1GB. * CodeCheck took 4053.91ms. Allocated memory was 190.8MB in the beginning and 230.7MB in the end (delta: 39.8MB). Free memory was 144.2MB in the beginning and 140.2MB in the end (delta: 4.0MB). Peak memory consumption was 42.6MB. Max. memory is 16.1GB. * Witness Printer took 132.32ms. Allocated memory is still 230.7MB. Free memory was 140.2MB in the beginning and 132.9MB in the end (delta: 7.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 49]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [49] - GenericResultAtLocation [Line: 153]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [153] - GenericResultAtLocation [Line: 247]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [247] - GenericResultAtLocation [Line: 282]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification1_spec.i","") [282] - GenericResultAtLocation [Line: 310]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [310] - GenericResultAtLocation [Line: 523]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [523] - GenericResultAtLocation [Line: 590]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [590] - GenericResultAtLocation [Line: 599]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [599] RESULT: Ultimate proved your program to be correct! [2023-12-02 21:17:30,632 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_744ab62e-0906-4b07-b5eb-a0fd1ae883da/bin/ukojak-verify-Qdu7aM0XO9/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 Result: TRUE