./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product25.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3be85301-dbdc-443a-9014-7a78a2b4d878/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3be85301-dbdc-443a-9014-7a78a2b4d878/bin/uautomizer-verify-BQ2R08f2Ya/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3be85301-dbdc-443a-9014-7a78a2b4d878/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3be85301-dbdc-443a-9014-7a78a2b4d878/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product25.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3be85301-dbdc-443a-9014-7a78a2b4d878/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3be85301-dbdc-443a-9014-7a78a2b4d878/bin/uautomizer-verify-BQ2R08f2Ya --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 5abd504bc7fd9e1d9830fe8cb395b594cef8d9561a1cc007a8c59d03b6adcc21 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 02:20:38,783 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 02:20:38,853 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3be85301-dbdc-443a-9014-7a78a2b4d878/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-29 02:20:38,858 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 02:20:38,859 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 02:20:38,883 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 02:20:38,884 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 02:20:38,884 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 02:20:38,885 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 02:20:38,886 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 02:20:38,886 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 02:20:38,887 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 02:20:38,887 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 02:20:38,888 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 02:20:38,889 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 02:20:38,889 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 02:20:38,890 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 02:20:38,890 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 02:20:38,891 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 02:20:38,891 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 02:20:38,892 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 02:20:38,897 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 02:20:38,897 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 02:20:38,897 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 02:20:38,898 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 02:20:38,898 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 02:20:38,899 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 02:20:38,899 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 02:20:38,899 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 02:20:38,900 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 02:20:38,900 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 02:20:38,901 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 02:20:38,901 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 02:20:38,901 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 02:20:38,901 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 02:20:38,902 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 02:20:38,902 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-29 02:20:38,902 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 02:20:38,902 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 02:20:38,902 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 02:20:38,903 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 02:20:38,903 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 02:20:38,903 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_3be85301-dbdc-443a-9014-7a78a2b4d878/bin/uautomizer-verify-BQ2R08f2Ya/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3be85301-dbdc-443a-9014-7a78a2b4d878/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5abd504bc7fd9e1d9830fe8cb395b594cef8d9561a1cc007a8c59d03b6adcc21 [2023-11-29 02:20:39,143 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 02:20:39,165 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 02:20:39,168 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 02:20:39,169 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 02:20:39,169 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 02:20:39,171 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3be85301-dbdc-443a-9014-7a78a2b4d878/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/product-lines/minepump_spec1_product25.cil.c [2023-11-29 02:20:41,895 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 02:20:42,118 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 02:20:42,118 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3be85301-dbdc-443a-9014-7a78a2b4d878/sv-benchmarks/c/product-lines/minepump_spec1_product25.cil.c [2023-11-29 02:20:42,130 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3be85301-dbdc-443a-9014-7a78a2b4d878/bin/uautomizer-verify-BQ2R08f2Ya/data/8d68fba02/82f2eadda4804032a9afeeb45f6e4834/FLAG276049154 [2023-11-29 02:20:42,142 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3be85301-dbdc-443a-9014-7a78a2b4d878/bin/uautomizer-verify-BQ2R08f2Ya/data/8d68fba02/82f2eadda4804032a9afeeb45f6e4834 [2023-11-29 02:20:42,145 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 02:20:42,146 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 02:20:42,147 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 02:20:42,147 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 02:20:42,151 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 02:20:42,152 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 02:20:42" (1/1) ... [2023-11-29 02:20:42,153 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3bfea208 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:20:42, skipping insertion in model container [2023-11-29 02:20:42,153 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 02:20:42" (1/1) ... [2023-11-29 02:20:42,208 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 02:20:42,357 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_3be85301-dbdc-443a-9014-7a78a2b4d878/sv-benchmarks/c/product-lines/minepump_spec1_product25.cil.c[3924,3937] [2023-11-29 02:20:42,441 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 02:20:42,452 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 02:20:42,462 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [49] [2023-11-29 02:20:42,464 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [145] [2023-11-29 02:20:42,464 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification1_spec.i","") [183] [2023-11-29 02:20:42,465 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [211] [2023-11-29 02:20:42,465 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [220] [2023-11-29 02:20:42,465 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [394] [2023-11-29 02:20:42,465 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [460] [2023-11-29 02:20:42,465 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [556] [2023-11-29 02:20:42,476 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_3be85301-dbdc-443a-9014-7a78a2b4d878/sv-benchmarks/c/product-lines/minepump_spec1_product25.cil.c[3924,3937] [2023-11-29 02:20:42,520 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 02:20:42,540 INFO L206 MainTranslator]: Completed translation [2023-11-29 02:20:42,541 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:20:42 WrapperNode [2023-11-29 02:20:42,541 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 02:20:42,542 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 02:20:42,542 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 02:20:42,542 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 02:20:42,550 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:20:42" (1/1) ... [2023-11-29 02:20:42,563 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:20:42" (1/1) ... [2023-11-29 02:20:42,584 INFO L138 Inliner]: procedures = 53, calls = 95, calls flagged for inlining = 21, calls inlined = 16, statements flattened = 160 [2023-11-29 02:20:42,584 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 02:20:42,585 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 02:20:42,585 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 02:20:42,585 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 02:20:42,597 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:20:42" (1/1) ... [2023-11-29 02:20:42,598 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:20:42" (1/1) ... [2023-11-29 02:20:42,600 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:20:42" (1/1) ... [2023-11-29 02:20:42,614 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2023-11-29 02:20:42,614 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:20:42" (1/1) ... [2023-11-29 02:20:42,614 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:20:42" (1/1) ... [2023-11-29 02:20:42,620 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:20:42" (1/1) ... [2023-11-29 02:20:42,625 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:20:42" (1/1) ... [2023-11-29 02:20:42,627 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:20:42" (1/1) ... [2023-11-29 02:20:42,628 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:20:42" (1/1) ... [2023-11-29 02:20:42,630 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 02:20:42,631 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 02:20:42,631 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 02:20:42,631 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 02:20:42,632 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:20:42" (1/1) ... [2023-11-29 02:20:42,637 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 02:20:42,649 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3be85301-dbdc-443a-9014-7a78a2b4d878/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 02:20:42,661 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3be85301-dbdc-443a-9014-7a78a2b4d878/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 02:20:42,666 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3be85301-dbdc-443a-9014-7a78a2b4d878/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 02:20:42,694 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 02:20:42,695 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2023-11-29 02:20:42,695 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2023-11-29 02:20:42,695 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2023-11-29 02:20:42,695 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2023-11-29 02:20:42,695 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2023-11-29 02:20:42,695 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2023-11-29 02:20:42,695 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2023-11-29 02:20:42,695 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2023-11-29 02:20:42,696 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2023-11-29 02:20:42,696 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2023-11-29 02:20:42,696 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-29 02:20:42,696 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2023-11-29 02:20:42,696 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2023-11-29 02:20:42,697 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 02:20:42,697 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 02:20:42,769 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 02:20:42,772 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 02:20:42,969 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 02:20:43,022 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 02:20:43,023 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-29 02:20:43,023 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 02:20:43 BoogieIcfgContainer [2023-11-29 02:20:43,023 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 02:20:43,026 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 02:20:43,027 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 02:20:43,030 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 02:20:43,030 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 02:20:42" (1/3) ... [2023-11-29 02:20:43,031 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78d72190 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 02:20:43, skipping insertion in model container [2023-11-29 02:20:43,031 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:20:42" (2/3) ... [2023-11-29 02:20:43,031 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78d72190 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 02:20:43, skipping insertion in model container [2023-11-29 02:20:43,031 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 02:20:43" (3/3) ... [2023-11-29 02:20:43,033 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product25.cil.c [2023-11-29 02:20:43,052 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 02:20:43,052 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-29 02:20:43,103 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 02:20:43,110 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@440fcb4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 02:20:43,111 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-29 02:20:43,115 INFO L276 IsEmpty]: Start isEmpty. Operand has 56 states, 39 states have (on average 1.564102564102564) internal successors, (61), 45 states have internal predecessors, (61), 9 states have call successors, (9), 6 states have call predecessors, (9), 6 states have return successors, (9), 8 states have call predecessors, (9), 9 states have call successors, (9) [2023-11-29 02:20:43,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-29 02:20:43,124 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:20:43,125 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:20:43,125 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:20:43,131 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:20:43,131 INFO L85 PathProgramCache]: Analyzing trace with hash -766073970, now seen corresponding path program 1 times [2023-11-29 02:20:43,141 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:20:43,141 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [359715574] [2023-11-29 02:20:43,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:20:43,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:20:43,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:20:43,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-29 02:20:43,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:20:43,313 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 02:20:43,314 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:20:43,314 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [359715574] [2023-11-29 02:20:43,315 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [359715574] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:20:43,315 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:20:43,315 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 02:20:43,317 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [313146019] [2023-11-29 02:20:43,318 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:20:43,322 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-29 02:20:43,322 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:20:43,352 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-29 02:20:43,352 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 02:20:43,355 INFO L87 Difference]: Start difference. First operand has 56 states, 39 states have (on average 1.564102564102564) internal successors, (61), 45 states have internal predecessors, (61), 9 states have call successors, (9), 6 states have call predecessors, (9), 6 states have return successors, (9), 8 states have call predecessors, (9), 9 states have call successors, (9) Second operand has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-29 02:20:43,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:20:43,407 INFO L93 Difference]: Finished difference Result 110 states and 159 transitions. [2023-11-29 02:20:43,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-29 02:20:43,410 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 16 [2023-11-29 02:20:43,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:20:43,419 INFO L225 Difference]: With dead ends: 110 [2023-11-29 02:20:43,419 INFO L226 Difference]: Without dead ends: 51 [2023-11-29 02:20:43,423 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 02:20:43,427 INFO L413 NwaCegarLoop]: 62 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 62 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 02:20:43,428 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 62 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 02:20:43,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2023-11-29 02:20:43,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2023-11-29 02:20:43,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 36 states have (on average 1.4166666666666667) internal successors, (51), 41 states have internal predecessors, (51), 9 states have call successors, (9), 6 states have call predecessors, (9), 5 states have return successors, (8), 7 states have call predecessors, (8), 8 states have call successors, (8) [2023-11-29 02:20:43,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 68 transitions. [2023-11-29 02:20:43,487 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 68 transitions. Word has length 16 [2023-11-29 02:20:43,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:20:43,488 INFO L495 AbstractCegarLoop]: Abstraction has 51 states and 68 transitions. [2023-11-29 02:20:43,488 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-29 02:20:43,488 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 68 transitions. [2023-11-29 02:20:43,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-29 02:20:43,490 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:20:43,490 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:20:43,491 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-29 02:20:43,491 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:20:43,491 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:20:43,492 INFO L85 PathProgramCache]: Analyzing trace with hash -2041146708, now seen corresponding path program 1 times [2023-11-29 02:20:43,492 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:20:43,492 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [221627009] [2023-11-29 02:20:43,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:20:43,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:20:43,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:20:43,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-29 02:20:43,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:20:43,581 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 02:20:43,582 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:20:43,582 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [221627009] [2023-11-29 02:20:43,582 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [221627009] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:20:43,582 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:20:43,583 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 02:20:43,583 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1691102470] [2023-11-29 02:20:43,583 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:20:43,584 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 02:20:43,585 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:20:43,585 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 02:20:43,586 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:20:43,586 INFO L87 Difference]: Start difference. First operand 51 states and 68 transitions. Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-29 02:20:43,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:20:43,614 INFO L93 Difference]: Finished difference Result 75 states and 99 transitions. [2023-11-29 02:20:43,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 02:20:43,614 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 17 [2023-11-29 02:20:43,615 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:20:43,615 INFO L225 Difference]: With dead ends: 75 [2023-11-29 02:20:43,616 INFO L226 Difference]: Without dead ends: 43 [2023-11-29 02:20:43,616 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:20:43,618 INFO L413 NwaCegarLoop]: 48 mSDtfsCounter, 11 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 82 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 02:20:43,618 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 82 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 02:20:43,619 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2023-11-29 02:20:43,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2023-11-29 02:20:43,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 31 states have (on average 1.4516129032258065) internal successors, (45), 36 states have internal predecessors, (45), 6 states have call successors, (6), 5 states have call predecessors, (6), 5 states have return successors, (6), 5 states have call predecessors, (6), 6 states have call successors, (6) [2023-11-29 02:20:43,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 57 transitions. [2023-11-29 02:20:43,626 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 57 transitions. Word has length 17 [2023-11-29 02:20:43,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:20:43,626 INFO L495 AbstractCegarLoop]: Abstraction has 43 states and 57 transitions. [2023-11-29 02:20:43,626 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-29 02:20:43,627 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 57 transitions. [2023-11-29 02:20:43,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-29 02:20:43,628 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:20:43,628 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:20:43,628 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-29 02:20:43,628 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:20:43,629 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:20:43,629 INFO L85 PathProgramCache]: Analyzing trace with hash 19184758, now seen corresponding path program 1 times [2023-11-29 02:20:43,629 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:20:43,629 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1939435193] [2023-11-29 02:20:43,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:20:43,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:20:43,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:20:43,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-29 02:20:43,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:20:43,744 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 02:20:43,745 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:20:43,745 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1939435193] [2023-11-29 02:20:43,745 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1939435193] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:20:43,745 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:20:43,745 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 02:20:43,746 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [28360930] [2023-11-29 02:20:43,746 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:20:43,746 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 02:20:43,746 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:20:43,747 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 02:20:43,747 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 02:20:43,747 INFO L87 Difference]: Start difference. First operand 43 states and 57 transitions. Second operand has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-29 02:20:43,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:20:43,815 INFO L93 Difference]: Finished difference Result 84 states and 113 transitions. [2023-11-29 02:20:43,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 02:20:43,816 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 20 [2023-11-29 02:20:43,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:20:43,817 INFO L225 Difference]: With dead ends: 84 [2023-11-29 02:20:43,817 INFO L226 Difference]: Without dead ends: 43 [2023-11-29 02:20:43,817 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-29 02:20:43,819 INFO L413 NwaCegarLoop]: 43 mSDtfsCounter, 56 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 66 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 02:20:43,819 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [56 Valid, 66 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 02:20:43,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2023-11-29 02:20:43,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2023-11-29 02:20:43,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 31 states have (on average 1.4193548387096775) internal successors, (44), 36 states have internal predecessors, (44), 6 states have call successors, (6), 5 states have call predecessors, (6), 5 states have return successors, (6), 5 states have call predecessors, (6), 6 states have call successors, (6) [2023-11-29 02:20:43,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 56 transitions. [2023-11-29 02:20:43,827 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 56 transitions. Word has length 20 [2023-11-29 02:20:43,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:20:43,827 INFO L495 AbstractCegarLoop]: Abstraction has 43 states and 56 transitions. [2023-11-29 02:20:43,827 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-29 02:20:43,827 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 56 transitions. [2023-11-29 02:20:43,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-29 02:20:43,828 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:20:43,828 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:20:43,829 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-29 02:20:43,829 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:20:43,829 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:20:43,829 INFO L85 PathProgramCache]: Analyzing trace with hash -30318264, now seen corresponding path program 1 times [2023-11-29 02:20:43,829 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:20:43,830 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [433412610] [2023-11-29 02:20:43,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:20:43,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:20:43,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:20:43,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-29 02:20:43,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:20:43,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-29 02:20:43,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:20:43,974 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 02:20:43,974 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:20:43,974 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [433412610] [2023-11-29 02:20:43,974 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [433412610] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:20:43,975 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:20:43,975 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-29 02:20:43,975 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1791760829] [2023-11-29 02:20:43,975 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:20:43,976 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 02:20:43,976 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:20:43,976 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 02:20:43,977 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-29 02:20:43,977 INFO L87 Difference]: Start difference. First operand 43 states and 56 transitions. Second operand has 6 states, 5 states have (on average 4.0) internal successors, (20), 5 states have internal predecessors, (20), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-29 02:20:44,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:20:44,083 INFO L93 Difference]: Finished difference Result 123 states and 165 transitions. [2023-11-29 02:20:44,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-29 02:20:44,084 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.0) internal successors, (20), 5 states have internal predecessors, (20), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 25 [2023-11-29 02:20:44,084 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:20:44,085 INFO L225 Difference]: With dead ends: 123 [2023-11-29 02:20:44,085 INFO L226 Difference]: Without dead ends: 82 [2023-11-29 02:20:44,086 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2023-11-29 02:20:44,088 INFO L413 NwaCegarLoop]: 46 mSDtfsCounter, 34 mSDsluCounter, 166 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 212 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 02:20:44,088 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 212 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 02:20:44,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2023-11-29 02:20:44,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 81. [2023-11-29 02:20:44,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81 states, 58 states have (on average 1.396551724137931) internal successors, (81), 67 states have internal predecessors, (81), 12 states have call successors, (12), 10 states have call predecessors, (12), 10 states have return successors, (13), 10 states have call predecessors, (13), 12 states have call successors, (13) [2023-11-29 02:20:44,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 106 transitions. [2023-11-29 02:20:44,105 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 106 transitions. Word has length 25 [2023-11-29 02:20:44,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:20:44,106 INFO L495 AbstractCegarLoop]: Abstraction has 81 states and 106 transitions. [2023-11-29 02:20:44,106 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.0) internal successors, (20), 5 states have internal predecessors, (20), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-29 02:20:44,106 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 106 transitions. [2023-11-29 02:20:44,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-29 02:20:44,108 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:20:44,108 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:20:44,108 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-29 02:20:44,108 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:20:44,109 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:20:44,109 INFO L85 PathProgramCache]: Analyzing trace with hash -941725692, now seen corresponding path program 1 times [2023-11-29 02:20:44,109 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:20:44,109 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [94471174] [2023-11-29 02:20:44,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:20:44,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:20:44,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:20:44,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-29 02:20:44,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:20:44,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-11-29 02:20:44,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:20:44,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-11-29 02:20:44,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:20:44,201 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 02:20:44,201 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:20:44,201 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [94471174] [2023-11-29 02:20:44,201 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [94471174] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:20:44,202 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:20:44,202 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 02:20:44,202 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1846705464] [2023-11-29 02:20:44,202 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:20:44,202 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 02:20:44,202 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:20:44,203 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 02:20:44,203 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-29 02:20:44,203 INFO L87 Difference]: Start difference. First operand 81 states and 106 transitions. Second operand has 5 states, 5 states have (on average 4.4) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-29 02:20:44,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:20:44,295 INFO L93 Difference]: Finished difference Result 147 states and 192 transitions. [2023-11-29 02:20:44,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 02:20:44,296 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.4) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 29 [2023-11-29 02:20:44,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:20:44,296 INFO L225 Difference]: With dead ends: 147 [2023-11-29 02:20:44,297 INFO L226 Difference]: Without dead ends: 0 [2023-11-29 02:20:44,298 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-11-29 02:20:44,299 INFO L413 NwaCegarLoop]: 18 mSDtfsCounter, 45 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 47 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 02:20:44,299 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 47 Invalid, 69 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 02:20:44,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-29 02:20:44,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-29 02:20:44,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:20:44,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-29 02:20:44,301 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 29 [2023-11-29 02:20:44,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:20:44,301 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-29 02:20:44,301 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.4) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-29 02:20:44,301 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-29 02:20:44,301 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-29 02:20:44,304 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-29 02:20:44,305 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-29 02:20:44,307 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-29 02:20:44,531 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 252 258) no Hoare annotation was computed. [2023-11-29 02:20:44,531 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 252 258) the Hoare annotation is: true [2023-11-29 02:20:44,531 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 83 94) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~systemActive~0)) [2023-11-29 02:20:44,531 INFO L899 garLoopResultBuilder]: For program point L87-1(lines 83 94) no Hoare annotation was computed. [2023-11-29 02:20:44,532 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 83 94) no Hoare annotation was computed. [2023-11-29 02:20:44,532 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 462 491) no Hoare annotation was computed. [2023-11-29 02:20:44,532 INFO L899 garLoopResultBuilder]: For program point L476(lines 476 480) no Hoare annotation was computed. [2023-11-29 02:20:44,532 INFO L902 garLoopResultBuilder]: At program point L476-1(lines 476 480) the Hoare annotation is: true [2023-11-29 02:20:44,532 INFO L902 garLoopResultBuilder]: At program point L472-2(lines 472 486) the Hoare annotation is: true [2023-11-29 02:20:44,532 INFO L902 garLoopResultBuilder]: At program point L468(line 468) the Hoare annotation is: true [2023-11-29 02:20:44,532 INFO L899 garLoopResultBuilder]: For program point L468-1(line 468) no Hoare annotation was computed. [2023-11-29 02:20:44,533 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 462 491) the Hoare annotation is: true [2023-11-29 02:20:44,533 INFO L899 garLoopResultBuilder]: For program point L487(lines 462 491) no Hoare annotation was computed. [2023-11-29 02:20:44,533 INFO L899 garLoopResultBuilder]: For program point L483(line 483) no Hoare annotation was computed. [2023-11-29 02:20:44,533 INFO L895 garLoopResultBuilder]: At program point L192(line 192) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (= 0 ~systemActive~0)) [2023-11-29 02:20:44,533 INFO L899 garLoopResultBuilder]: For program point L192-1(line 192) no Hoare annotation was computed. [2023-11-29 02:20:44,533 INFO L895 garLoopResultBuilder]: At program point L279(line 279) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (= 0 ~systemActive~0)) [2023-11-29 02:20:44,533 INFO L899 garLoopResultBuilder]: For program point L279-1(lines 260 284) no Hoare annotation was computed. [2023-11-29 02:20:44,534 INFO L899 garLoopResultBuilder]: For program point L239-1(lines 239 245) no Hoare annotation was computed. [2023-11-29 02:20:44,534 INFO L899 garLoopResultBuilder]: For program point L268(lines 268 276) no Hoare annotation was computed. [2023-11-29 02:20:44,534 INFO L899 garLoopResultBuilder]: For program point L264(lines 264 281) no Hoare annotation was computed. [2023-11-29 02:20:44,534 INFO L899 garLoopResultBuilder]: For program point L198(lines 198 204) no Hoare annotation was computed. [2023-11-29 02:20:44,534 INFO L899 garLoopResultBuilder]: For program point L194(lines 194 207) no Hoare annotation was computed. [2023-11-29 02:20:44,534 INFO L899 garLoopResultBuilder]: For program point L194-1(lines 186 210) no Hoare annotation was computed. [2023-11-29 02:20:44,534 INFO L899 garLoopResultBuilder]: For program point L384(lines 384 388) no Hoare annotation was computed. [2023-11-29 02:20:44,534 INFO L899 garLoopResultBuilder]: For program point L384-2(lines 384 388) no Hoare annotation was computed. [2023-11-29 02:20:44,535 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 228 251) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (= 0 ~systemActive~0)) [2023-11-29 02:20:44,535 INFO L899 garLoopResultBuilder]: For program point L232-1(lines 231 250) no Hoare annotation was computed. [2023-11-29 02:20:44,535 INFO L899 garLoopResultBuilder]: For program point L63(lines 63 67) no Hoare annotation was computed. [2023-11-29 02:20:44,535 INFO L899 garLoopResultBuilder]: For program point L63-2(lines 59 70) no Hoare annotation was computed. [2023-11-29 02:20:44,535 INFO L899 garLoopResultBuilder]: For program point L216(line 216) no Hoare annotation was computed. [2023-11-29 02:20:44,535 INFO L895 garLoopResultBuilder]: At program point L274(line 274) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= 0 ~systemActive~0)) [2023-11-29 02:20:44,535 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 228 251) no Hoare annotation was computed. [2023-11-29 02:20:44,535 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 216) no Hoare annotation was computed. [2023-11-29 02:20:44,536 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 95 103) the Hoare annotation is: true [2023-11-29 02:20:44,536 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 95 103) no Hoare annotation was computed. [2023-11-29 02:20:44,536 INFO L899 garLoopResultBuilder]: For program point L543(lines 543 550) no Hoare annotation was computed. [2023-11-29 02:20:44,536 INFO L899 garLoopResultBuilder]: For program point L543-2(lines 543 550) no Hoare annotation was computed. [2023-11-29 02:20:44,536 INFO L899 garLoopResultBuilder]: For program point L407(lines 406 451) no Hoare annotation was computed. [2023-11-29 02:20:44,536 INFO L899 garLoopResultBuilder]: For program point L436(lines 436 447) no Hoare annotation was computed. [2023-11-29 02:20:44,536 INFO L895 garLoopResultBuilder]: At program point L428(line 428) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (= |ULTIMATE.start_main_~tmp~5#1| ~systemActive~0) (not (= 0 ~systemActive~0))) [2023-11-29 02:20:44,537 INFO L895 garLoopResultBuilder]: At program point L449(lines 406 451) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (= |ULTIMATE.start_main_~tmp~5#1| ~systemActive~0) (not (= 0 ~systemActive~0))) [2023-11-29 02:20:44,537 INFO L899 garLoopResultBuilder]: For program point L416(lines 416 422) no Hoare annotation was computed. [2023-11-29 02:20:44,537 INFO L899 garLoopResultBuilder]: For program point L416-1(lines 416 422) no Hoare annotation was computed. [2023-11-29 02:20:44,537 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-29 02:20:44,537 INFO L899 garLoopResultBuilder]: For program point L442(lines 442 446) no Hoare annotation was computed. [2023-11-29 02:20:44,537 INFO L895 garLoopResultBuilder]: At program point L442-2(lines 436 447) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (= |ULTIMATE.start_main_~tmp~5#1| ~systemActive~0) (not (= 0 ~systemActive~0))) [2023-11-29 02:20:44,537 INFO L899 garLoopResultBuilder]: For program point L426(lines 426 432) no Hoare annotation was computed. [2023-11-29 02:20:44,537 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-29 02:20:44,538 INFO L899 garLoopResultBuilder]: For program point L426-1(lines 426 432) no Hoare annotation was computed. [2023-11-29 02:20:44,538 INFO L899 garLoopResultBuilder]: For program point L455(lines 396 459) no Hoare annotation was computed. [2023-11-29 02:20:44,538 INFO L895 garLoopResultBuilder]: At program point L418(line 418) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (= |ULTIMATE.start_main_~tmp~5#1| ~systemActive~0) (not (= 0 ~systemActive~0))) [2023-11-29 02:20:44,538 INFO L895 garLoopResultBuilder]: At program point L452(lines 405 453) the Hoare annotation is: false [2023-11-29 02:20:44,538 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 71 82) no Hoare annotation was computed. [2023-11-29 02:20:44,538 INFO L899 garLoopResultBuilder]: For program point L75-1(lines 71 82) no Hoare annotation was computed. [2023-11-29 02:20:44,538 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 71 82) the Hoare annotation is: true [2023-11-29 02:20:44,541 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2023-11-29 02:20:44,543 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-29 02:20:44,555 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 02:20:44 BoogieIcfgContainer [2023-11-29 02:20:44,555 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-29 02:20:44,555 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-29 02:20:44,555 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-29 02:20:44,556 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-29 02:20:44,556 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 02:20:43" (3/4) ... [2023-11-29 02:20:44,558 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-29 02:20:44,561 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2023-11-29 02:20:44,562 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2023-11-29 02:20:44,562 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2023-11-29 02:20:44,562 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2023-11-29 02:20:44,562 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2023-11-29 02:20:44,562 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2023-11-29 02:20:44,569 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 29 nodes and edges [2023-11-29 02:20:44,570 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2023-11-29 02:20:44,570 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-11-29 02:20:44,571 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-29 02:20:44,571 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-29 02:20:44,668 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3be85301-dbdc-443a-9014-7a78a2b4d878/bin/uautomizer-verify-BQ2R08f2Ya/witness.graphml [2023-11-29 02:20:44,669 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3be85301-dbdc-443a-9014-7a78a2b4d878/bin/uautomizer-verify-BQ2R08f2Ya/witness.yml [2023-11-29 02:20:44,669 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-29 02:20:44,670 INFO L158 Benchmark]: Toolchain (without parser) took 2523.94ms. Allocated memory is still 163.6MB. Free memory was 125.1MB in the beginning and 114.5MB in the end (delta: 10.6MB). Peak memory consumption was 12.2MB. Max. memory is 16.1GB. [2023-11-29 02:20:44,670 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 163.6MB. Free memory is still 138.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 02:20:44,671 INFO L158 Benchmark]: CACSL2BoogieTranslator took 394.24ms. Allocated memory is still 163.6MB. Free memory was 125.1MB in the beginning and 106.2MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-29 02:20:44,671 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.71ms. Allocated memory is still 163.6MB. Free memory was 106.2MB in the beginning and 104.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 02:20:44,672 INFO L158 Benchmark]: Boogie Preprocessor took 45.05ms. Allocated memory is still 163.6MB. Free memory was 104.1MB in the beginning and 102.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 02:20:44,672 INFO L158 Benchmark]: RCFGBuilder took 392.74ms. Allocated memory is still 163.6MB. Free memory was 102.0MB in the beginning and 82.0MB in the end (delta: 20.0MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-29 02:20:44,672 INFO L158 Benchmark]: TraceAbstraction took 1528.52ms. Allocated memory is still 163.6MB. Free memory was 81.1MB in the beginning and 120.8MB in the end (delta: -39.8MB). Peak memory consumption was 26.9MB. Max. memory is 16.1GB. [2023-11-29 02:20:44,673 INFO L158 Benchmark]: Witness Printer took 113.96ms. Allocated memory is still 163.6MB. Free memory was 120.8MB in the beginning and 114.5MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-29 02:20:44,675 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 163.6MB. Free memory is still 138.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 394.24ms. Allocated memory is still 163.6MB. Free memory was 125.1MB in the beginning and 106.2MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.71ms. Allocated memory is still 163.6MB. Free memory was 106.2MB in the beginning and 104.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 45.05ms. Allocated memory is still 163.6MB. Free memory was 104.1MB in the beginning and 102.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 392.74ms. Allocated memory is still 163.6MB. Free memory was 102.0MB in the beginning and 82.0MB in the end (delta: 20.0MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 1528.52ms. Allocated memory is still 163.6MB. Free memory was 81.1MB in the beginning and 120.8MB in the end (delta: -39.8MB). Peak memory consumption was 26.9MB. Max. memory is 16.1GB. * Witness Printer took 113.96ms. Allocated memory is still 163.6MB. Free memory was 120.8MB in the beginning and 114.5MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. 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,"Environment.i","") [49] - GenericResultAtLocation [Line: 145]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [145] - GenericResultAtLocation [Line: 183]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification1_spec.i","") [183] - GenericResultAtLocation [Line: 211]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [211] - GenericResultAtLocation [Line: 220]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [220] - GenericResultAtLocation [Line: 394]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [394] - GenericResultAtLocation [Line: 460]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [460] - GenericResultAtLocation [Line: 556]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [556] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 216]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 56 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.5s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 151 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 146 mSDsluCounter, 469 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 252 mSDsCounter, 21 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 185 IncrementalHoareTripleChecker+Invalid, 206 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 21 mSolverCounterUnsat, 217 mSDtfsCounter, 185 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 39 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=81occurred in iteration=4, InterpolantAutomatonStates: 22, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 17 LocationsWithAnnotation, 93 PreInvPairs, 105 NumberOfFragments, 116 HoareAnnotationTreeSize, 93 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 17 FomulaSimplificationsInter, 324 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 107 NumberOfCodeBlocks, 107 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 102 ConstructedInterpolants, 0 QuantifiedInterpolants, 196 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 406]: Loop Invariant Derived loop invariant: ((((pumpRunning == 0) && (splverifierCounter == 0)) && (tmp == systemActive)) && !((0 == systemActive))) - InvariantResult [Line: 405]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 472]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2023-11-29 02:20:44,696 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3be85301-dbdc-443a-9014-7a78a2b4d878/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (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