./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product12.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_0d746981-2d02-4ae6-8c89-a90901a9c65b/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d746981-2d02-4ae6-8c89-a90901a9c65b/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_0d746981-2d02-4ae6-8c89-a90901a9c65b/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d746981-2d02-4ae6-8c89-a90901a9c65b/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product12.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d746981-2d02-4ae6-8c89-a90901a9c65b/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_0d746981-2d02-4ae6-8c89-a90901a9c65b/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 24866d83893c62cb34bc59a82613556af1a8105419efcaf32d88f955b1a97fe7 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 06:13:23,971 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 06:13:24,037 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d746981-2d02-4ae6-8c89-a90901a9c65b/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-29 06:13:24,041 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 06:13:24,042 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 06:13:24,067 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 06:13:24,067 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 06:13:24,068 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 06:13:24,069 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 06:13:24,069 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 06:13:24,070 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 06:13:24,070 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 06:13:24,071 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 06:13:24,071 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 06:13:24,072 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 06:13:24,073 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 06:13:24,073 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 06:13:24,074 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 06:13:24,074 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 06:13:24,075 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 06:13:24,075 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 06:13:24,076 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 06:13:24,076 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 06:13:24,077 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 06:13:24,077 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 06:13:24,078 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 06:13:24,078 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 06:13:24,078 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 06:13:24,079 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 06:13:24,079 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 06:13:24,080 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 06:13:24,080 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 06:13:24,080 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 06:13:24,081 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 06:13:24,081 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 06:13:24,081 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 06:13:24,081 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-29 06:13:24,081 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 06:13:24,082 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 06:13:24,082 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 06:13:24,082 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 06:13:24,082 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 06:13:24,083 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_0d746981-2d02-4ae6-8c89-a90901a9c65b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d746981-2d02-4ae6-8c89-a90901a9c65b/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 24866d83893c62cb34bc59a82613556af1a8105419efcaf32d88f955b1a97fe7 [2023-11-29 06:13:24,315 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 06:13:24,335 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 06:13:24,338 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 06:13:24,339 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 06:13:24,339 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 06:13:24,341 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d746981-2d02-4ae6-8c89-a90901a9c65b/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/product-lines/minepump_spec2_product12.cil.c [2023-11-29 06:13:27,092 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 06:13:27,300 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 06:13:27,301 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d746981-2d02-4ae6-8c89-a90901a9c65b/sv-benchmarks/c/product-lines/minepump_spec2_product12.cil.c [2023-11-29 06:13:27,313 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d746981-2d02-4ae6-8c89-a90901a9c65b/bin/uautomizer-verify-BQ2R08f2Ya/data/4d396cb44/2e47f410c898448690a0f67794b6b826/FLAGfad20ce93 [2023-11-29 06:13:27,323 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d746981-2d02-4ae6-8c89-a90901a9c65b/bin/uautomizer-verify-BQ2R08f2Ya/data/4d396cb44/2e47f410c898448690a0f67794b6b826 [2023-11-29 06:13:27,325 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 06:13:27,326 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 06:13:27,327 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 06:13:27,327 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 06:13:27,332 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 06:13:27,333 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 06:13:27" (1/1) ... [2023-11-29 06:13:27,334 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65f130f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:13:27, skipping insertion in model container [2023-11-29 06:13:27,334 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 06:13:27" (1/1) ... [2023-11-29 06:13:27,379 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 06:13:27,539 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_0d746981-2d02-4ae6-8c89-a90901a9c65b/sv-benchmarks/c/product-lines/minepump_spec2_product12.cil.c[6803,6816] [2023-11-29 06:13:27,598 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 06:13:27,610 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 06:13:27,620 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [49] [2023-11-29 06:13:27,622 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [87] [2023-11-29 06:13:27,622 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [162] [2023-11-29 06:13:27,622 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification2_spec.i","") [318] [2023-11-29 06:13:27,622 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [358] [2023-11-29 06:13:27,623 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [439] [2023-11-29 06:13:27,623 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [448] [2023-11-29 06:13:27,623 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [814] [2023-11-29 06:13:27,640 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_0d746981-2d02-4ae6-8c89-a90901a9c65b/sv-benchmarks/c/product-lines/minepump_spec2_product12.cil.c[6803,6816] [2023-11-29 06:13:27,672 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 06:13:27,692 INFO L206 MainTranslator]: Completed translation [2023-11-29 06:13:27,692 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:13:27 WrapperNode [2023-11-29 06:13:27,693 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 06:13:27,694 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 06:13:27,694 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 06:13:27,694 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 06:13:27,701 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:13:27" (1/1) ... [2023-11-29 06:13:27,715 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:13:27" (1/1) ... [2023-11-29 06:13:27,738 INFO L138 Inliner]: procedures = 53, calls = 94, calls flagged for inlining = 22, calls inlined = 17, statements flattened = 145 [2023-11-29 06:13:27,738 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 06:13:27,739 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 06:13:27,739 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 06:13:27,739 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 06:13:27,750 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:13:27" (1/1) ... [2023-11-29 06:13:27,751 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:13:27" (1/1) ... [2023-11-29 06:13:27,752 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:13:27" (1/1) ... [2023-11-29 06:13:27,766 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 06:13:27,766 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:13:27" (1/1) ... [2023-11-29 06:13:27,766 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:13:27" (1/1) ... [2023-11-29 06:13:27,770 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:13:27" (1/1) ... [2023-11-29 06:13:27,774 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:13:27" (1/1) ... [2023-11-29 06:13:27,775 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:13:27" (1/1) ... [2023-11-29 06:13:27,776 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:13:27" (1/1) ... [2023-11-29 06:13:27,778 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 06:13:27,779 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 06:13:27,779 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 06:13:27,779 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 06:13:27,780 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:13:27" (1/1) ... [2023-11-29 06:13:27,786 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 06:13:27,795 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d746981-2d02-4ae6-8c89-a90901a9c65b/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:13:27,805 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d746981-2d02-4ae6-8c89-a90901a9c65b/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 06:13:27,807 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d746981-2d02-4ae6-8c89-a90901a9c65b/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 06:13:27,833 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 06:13:27,833 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2023-11-29 06:13:27,834 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2023-11-29 06:13:27,834 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2023-11-29 06:13:27,834 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2023-11-29 06:13:27,834 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2023-11-29 06:13:27,834 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2023-11-29 06:13:27,834 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2023-11-29 06:13:27,834 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2023-11-29 06:13:27,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-29 06:13:27,834 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2023-11-29 06:13:27,834 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2023-11-29 06:13:27,834 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 06:13:27,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 06:13:27,897 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 06:13:27,899 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 06:13:28,073 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 06:13:28,137 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 06:13:28,137 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-29 06:13:28,138 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:13:28 BoogieIcfgContainer [2023-11-29 06:13:28,138 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 06:13:28,141 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 06:13:28,141 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 06:13:28,144 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 06:13:28,145 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 06:13:27" (1/3) ... [2023-11-29 06:13:28,145 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b8b7981 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 06:13:28, skipping insertion in model container [2023-11-29 06:13:28,145 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:13:27" (2/3) ... [2023-11-29 06:13:28,146 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b8b7981 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 06:13:28, skipping insertion in model container [2023-11-29 06:13:28,146 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:13:28" (3/3) ... [2023-11-29 06:13:28,147 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product12.cil.c [2023-11-29 06:13:28,162 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 06:13:28,162 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-29 06:13:28,204 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 06:13:28,210 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;@4a115585, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 06:13:28,210 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-29 06:13:28,213 INFO L276 IsEmpty]: Start isEmpty. Operand has 50 states, 36 states have (on average 1.5833333333333333) internal successors, (57), 40 states have internal predecessors, (57), 7 states have call successors, (7), 5 states have call predecessors, (7), 5 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2023-11-29 06:13:28,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-29 06:13:28,220 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:13:28,221 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 06:13:28,221 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:13:28,226 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:13:28,226 INFO L85 PathProgramCache]: Analyzing trace with hash -1053685404, now seen corresponding path program 1 times [2023-11-29 06:13:28,233 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:13:28,233 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [454477491] [2023-11-29 06:13:28,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:13:28,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:13:28,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:13:28,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-29 06:13:28,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:13:28,406 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 06:13:28,407 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:13:28,407 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [454477491] [2023-11-29 06:13:28,408 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [454477491] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:13:28,408 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:13:28,408 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 06:13:28,410 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [255669449] [2023-11-29 06:13:28,411 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:13:28,415 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-29 06:13:28,415 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:13:28,466 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-29 06:13:28,467 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 06:13:28,469 INFO L87 Difference]: Start difference. First operand has 50 states, 36 states have (on average 1.5833333333333333) internal successors, (57), 40 states have internal predecessors, (57), 7 states have call successors, (7), 5 states have call predecessors, (7), 5 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) Second operand has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 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 06:13:28,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:13:28,537 INFO L93 Difference]: Finished difference Result 98 states and 143 transitions. [2023-11-29 06:13:28,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-29 06:13:28,540 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 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 06:13:28,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:13:28,546 INFO L225 Difference]: With dead ends: 98 [2023-11-29 06:13:28,546 INFO L226 Difference]: Without dead ends: 45 [2023-11-29 06:13:28,551 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 06:13:28,554 INFO L413 NwaCegarLoop]: 53 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 53 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 06:13:28,555 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 53 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 06:13:28,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2023-11-29 06:13:28,585 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2023-11-29 06:13:28,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 33 states have (on average 1.4242424242424243) internal successors, (47), 36 states have internal predecessors, (47), 7 states have call successors, (7), 5 states have call predecessors, (7), 4 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2023-11-29 06:13:28,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 60 transitions. [2023-11-29 06:13:28,590 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 60 transitions. Word has length 17 [2023-11-29 06:13:28,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:13:28,590 INFO L495 AbstractCegarLoop]: Abstraction has 45 states and 60 transitions. [2023-11-29 06:13:28,590 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 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 06:13:28,591 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 60 transitions. [2023-11-29 06:13:28,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-29 06:13:28,593 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:13:28,593 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:13:28,593 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-29 06:13:28,594 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:13:28,594 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:13:28,595 INFO L85 PathProgramCache]: Analyzing trace with hash 1482523365, now seen corresponding path program 1 times [2023-11-29 06:13:28,595 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:13:28,595 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1598136728] [2023-11-29 06:13:28,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:13:28,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:13:28,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:13:28,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-29 06:13:28,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:13:28,694 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 06:13:28,694 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:13:28,694 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1598136728] [2023-11-29 06:13:28,695 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1598136728] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:13:28,695 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:13:28,695 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 06:13:28,695 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [979872785] [2023-11-29 06:13:28,695 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:13:28,697 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 06:13:28,697 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:13:28,698 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 06:13:28,698 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 06:13:28,698 INFO L87 Difference]: Start difference. First operand 45 states and 60 transitions. Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 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 06:13:28,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:13:28,727 INFO L93 Difference]: Finished difference Result 61 states and 80 transitions. [2023-11-29 06:13:28,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 06:13:28,728 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 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 18 [2023-11-29 06:13:28,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:13:28,729 INFO L225 Difference]: With dead ends: 61 [2023-11-29 06:13:28,729 INFO L226 Difference]: Without dead ends: 37 [2023-11-29 06:13:28,730 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 06:13:28,731 INFO L413 NwaCegarLoop]: 39 mSDtfsCounter, 14 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 64 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 06:13:28,732 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 64 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 06:13:28,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2023-11-29 06:13:28,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2023-11-29 06:13:28,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37 states, 28 states have (on average 1.4642857142857142) internal successors, (41), 31 states have internal predecessors, (41), 4 states have call successors, (4), 4 states have call predecessors, (4), 4 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2023-11-29 06:13:28,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 49 transitions. [2023-11-29 06:13:28,739 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 49 transitions. Word has length 18 [2023-11-29 06:13:28,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:13:28,740 INFO L495 AbstractCegarLoop]: Abstraction has 37 states and 49 transitions. [2023-11-29 06:13:28,740 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 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 06:13:28,740 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 49 transitions. [2023-11-29 06:13:28,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-29 06:13:28,741 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:13:28,742 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] [2023-11-29 06:13:28,742 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-29 06:13:28,742 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:13:28,743 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:13:28,743 INFO L85 PathProgramCache]: Analyzing trace with hash -1482916452, now seen corresponding path program 1 times [2023-11-29 06:13:28,743 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:13:28,743 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [709308156] [2023-11-29 06:13:28,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:13:28,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:13:28,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:13:28,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-29 06:13:28,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:13:28,851 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 06:13:28,851 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:13:28,851 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [709308156] [2023-11-29 06:13:28,852 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [709308156] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:13:28,852 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:13:28,852 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 06:13:28,852 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [512919772] [2023-11-29 06:13:28,853 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:13:28,853 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 06:13:28,853 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:13:28,854 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 06:13:28,855 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 06:13:28,855 INFO L87 Difference]: Start difference. First operand 37 states and 49 transitions. Second operand has 4 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 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 06:13:28,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:13:28,925 INFO L93 Difference]: Finished difference Result 107 states and 145 transitions. [2023-11-29 06:13:28,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 06:13:28,926 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 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 21 [2023-11-29 06:13:28,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:13:28,929 INFO L225 Difference]: With dead ends: 107 [2023-11-29 06:13:28,929 INFO L226 Difference]: Without dead ends: 72 [2023-11-29 06:13:28,930 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 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 06:13:28,931 INFO L413 NwaCegarLoop]: 36 mSDtfsCounter, 73 mSDsluCounter, 63 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 76 SdHoareTripleChecker+Valid, 99 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 06:13:28,932 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [76 Valid, 99 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 06:13:28,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2023-11-29 06:13:28,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 68. [2023-11-29 06:13:28,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 51 states have (on average 1.4705882352941178) internal successors, (75), 56 states have internal predecessors, (75), 8 states have call successors, (8), 8 states have call predecessors, (8), 8 states have return successors, (9), 8 states have call predecessors, (9), 8 states have call successors, (9) [2023-11-29 06:13:28,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 92 transitions. [2023-11-29 06:13:28,949 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 92 transitions. Word has length 21 [2023-11-29 06:13:28,950 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:13:28,950 INFO L495 AbstractCegarLoop]: Abstraction has 68 states and 92 transitions. [2023-11-29 06:13:28,950 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 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 06:13:28,950 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 92 transitions. [2023-11-29 06:13:28,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-29 06:13:28,951 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:13:28,952 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] [2023-11-29 06:13:28,952 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-29 06:13:28,952 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:13:28,953 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:13:28,953 INFO L85 PathProgramCache]: Analyzing trace with hash -305630615, now seen corresponding path program 1 times [2023-11-29 06:13:28,953 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:13:28,953 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1813714145] [2023-11-29 06:13:28,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:13:28,954 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:13:28,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:13:29,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-29 06:13:29,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:13:29,025 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 06:13:29,026 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:13:29,026 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1813714145] [2023-11-29 06:13:29,026 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1813714145] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:13:29,026 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:13:29,027 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 06:13:29,027 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [965274302] [2023-11-29 06:13:29,027 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:13:29,027 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 06:13:29,028 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:13:29,028 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 06:13:29,029 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 06:13:29,029 INFO L87 Difference]: Start difference. First operand 68 states and 92 transitions. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 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 06:13:29,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:13:29,080 INFO L93 Difference]: Finished difference Result 134 states and 188 transitions. [2023-11-29 06:13:29,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 06:13:29,081 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 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 21 [2023-11-29 06:13:29,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:13:29,083 INFO L225 Difference]: With dead ends: 134 [2023-11-29 06:13:29,083 INFO L226 Difference]: Without dead ends: 132 [2023-11-29 06:13:29,084 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 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 06:13:29,085 INFO L413 NwaCegarLoop]: 38 mSDtfsCounter, 28 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 73 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 06:13:29,086 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 73 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 06:13:29,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2023-11-29 06:13:29,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 132. [2023-11-29 06:13:29,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 132 states, 99 states have (on average 1.4646464646464648) internal successors, (145), 108 states have internal predecessors, (145), 16 states have call successors, (16), 16 states have call predecessors, (16), 16 states have return successors, (24), 16 states have call predecessors, (24), 16 states have call successors, (24) [2023-11-29 06:13:29,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 185 transitions. [2023-11-29 06:13:29,111 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 185 transitions. Word has length 21 [2023-11-29 06:13:29,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:13:29,112 INFO L495 AbstractCegarLoop]: Abstraction has 132 states and 185 transitions. [2023-11-29 06:13:29,112 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 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 06:13:29,112 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 185 transitions. [2023-11-29 06:13:29,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-29 06:13:29,115 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:13:29,115 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:13:29,115 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-29 06:13:29,115 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:13:29,116 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:13:29,116 INFO L85 PathProgramCache]: Analyzing trace with hash 499424808, now seen corresponding path program 1 times [2023-11-29 06:13:29,116 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:13:29,116 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [430184444] [2023-11-29 06:13:29,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:13:29,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:13:29,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:13:29,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-29 06:13:29,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:13:29,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-29 06:13:29,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:13:29,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-29 06:13:29,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:13:29,297 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 16 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-29 06:13:29,297 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:13:29,298 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [430184444] [2023-11-29 06:13:29,298 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [430184444] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 06:13:29,298 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [783053439] [2023-11-29 06:13:29,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:13:29,299 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:13:29,299 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d746981-2d02-4ae6-8c89-a90901a9c65b/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:13:29,302 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d746981-2d02-4ae6-8c89-a90901a9c65b/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 06:13:29,303 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d746981-2d02-4ae6-8c89-a90901a9c65b/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-29 06:13:29,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:13:29,383 INFO L262 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-29 06:13:29,388 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:13:29,464 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-29 06:13:29,465 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 06:13:29,465 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [783053439] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:13:29,465 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 06:13:29,465 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 10 [2023-11-29 06:13:29,466 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1408484709] [2023-11-29 06:13:29,466 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:13:29,466 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 06:13:29,467 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:13:29,467 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 06:13:29,467 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2023-11-29 06:13:29,468 INFO L87 Difference]: Start difference. First operand 132 states and 185 transitions. Second operand has 4 states, 4 states have (on average 8.5) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-29 06:13:29,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:13:29,520 INFO L93 Difference]: Finished difference Result 192 states and 272 transitions. [2023-11-29 06:13:29,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 06:13:29,521 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 41 [2023-11-29 06:13:29,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:13:29,521 INFO L225 Difference]: With dead ends: 192 [2023-11-29 06:13:29,521 INFO L226 Difference]: Without dead ends: 0 [2023-11-29 06:13:29,523 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2023-11-29 06:13:29,524 INFO L413 NwaCegarLoop]: 28 mSDtfsCounter, 22 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 47 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 06:13:29,525 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 47 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 06:13:29,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-29 06:13:29,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-29 06:13:29,526 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 06:13:29,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-29 06:13:29,526 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 41 [2023-11-29 06:13:29,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:13:29,527 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-29 06:13:29,527 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-29 06:13:29,527 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-29 06:13:29,527 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-29 06:13:29,529 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-29 06:13:29,537 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d746981-2d02-4ae6-8c89-a90901a9c65b/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-29 06:13:29,730 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d746981-2d02-4ae6-8c89-a90901a9c65b/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:13:29,732 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-29 06:13:29,913 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 386 397) the Hoare annotation is: true [2023-11-29 06:13:29,914 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 386 397) no Hoare annotation was computed. [2023-11-29 06:13:29,914 INFO L899 garLoopResultBuilder]: For program point L390-1(lines 386 397) no Hoare annotation was computed. [2023-11-29 06:13:29,914 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 398 406) the Hoare annotation is: true [2023-11-29 06:13:29,914 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 398 406) no Hoare annotation was computed. [2023-11-29 06:13:29,914 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 816 845) no Hoare annotation was computed. [2023-11-29 06:13:29,914 INFO L899 garLoopResultBuilder]: For program point L830(lines 830 834) no Hoare annotation was computed. [2023-11-29 06:13:29,914 INFO L902 garLoopResultBuilder]: At program point L830-1(lines 830 834) the Hoare annotation is: true [2023-11-29 06:13:29,915 INFO L902 garLoopResultBuilder]: At program point L826-2(lines 826 840) the Hoare annotation is: true [2023-11-29 06:13:29,915 INFO L902 garLoopResultBuilder]: At program point L822(line 822) the Hoare annotation is: true [2023-11-29 06:13:29,915 INFO L899 garLoopResultBuilder]: For program point L822-1(line 822) no Hoare annotation was computed. [2023-11-29 06:13:29,915 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 816 845) the Hoare annotation is: true [2023-11-29 06:13:29,915 INFO L899 garLoopResultBuilder]: For program point L841(lines 816 845) no Hoare annotation was computed. [2023-11-29 06:13:29,915 INFO L899 garLoopResultBuilder]: For program point L837(line 837) no Hoare annotation was computed. [2023-11-29 06:13:29,915 INFO L899 garLoopResultBuilder]: For program point L444(line 444) no Hoare annotation was computed. [2023-11-29 06:13:29,915 INFO L899 garLoopResultBuilder]: For program point L341(lines 341 351) no Hoare annotation was computed. [2023-11-29 06:13:29,916 INFO L899 garLoopResultBuilder]: For program point L178-1(lines 177 196) no Hoare annotation was computed. [2023-11-29 06:13:29,916 INFO L899 garLoopResultBuilder]: For program point L337(lines 337 354) no Hoare annotation was computed. [2023-11-29 06:13:29,916 INFO L899 garLoopResultBuilder]: For program point L337-1(lines 329 357) no Hoare annotation was computed. [2023-11-29 06:13:29,916 INFO L895 garLoopResultBuilder]: At program point L335(line 335) the Hoare annotation is: (or (not (= |old(~methAndRunningLastTime~0)| 0)) (= ~methAndRunningLastTime~0 0) (not (= ~pumpRunning~0 0))) [2023-11-29 06:13:29,916 INFO L899 garLoopResultBuilder]: For program point L366(lines 366 370) no Hoare annotation was computed. [2023-11-29 06:13:29,916 INFO L899 garLoopResultBuilder]: For program point L335-1(line 335) no Hoare annotation was computed. [2023-11-29 06:13:29,916 INFO L899 garLoopResultBuilder]: For program point L366-2(lines 362 373) no Hoare annotation was computed. [2023-11-29 06:13:29,917 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 174 197) the Hoare annotation is: (or (not (= |old(~methAndRunningLastTime~0)| 0)) (= ~methAndRunningLastTime~0 0) (not (= ~pumpRunning~0 0))) [2023-11-29 06:13:29,917 INFO L899 garLoopResultBuilder]: For program point L185-1(lines 185 191) no Hoare annotation was computed. [2023-11-29 06:13:29,917 INFO L899 garLoopResultBuilder]: For program point L342(lines 342 348) no Hoare annotation was computed. [2023-11-29 06:13:29,917 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 174 197) no Hoare annotation was computed. [2023-11-29 06:13:29,917 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 444) no Hoare annotation was computed. [2023-11-29 06:13:29,917 INFO L899 garLoopResultBuilder]: For program point L898-2(lines 898 905) no Hoare annotation was computed. [2023-11-29 06:13:29,917 INFO L895 garLoopResultBuilder]: At program point L126(line 126) the Hoare annotation is: (and (= |ULTIMATE.start_main_~tmp~6#1| 1) (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2023-11-29 06:13:29,918 INFO L895 garLoopResultBuilder]: At program point L151(lines 104 153) the Hoare annotation is: (and (= |ULTIMATE.start_main_~tmp~6#1| 1) (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2023-11-29 06:13:29,918 INFO L899 garLoopResultBuilder]: For program point L114(lines 114 120) no Hoare annotation was computed. [2023-11-29 06:13:29,918 INFO L899 garLoopResultBuilder]: For program point L114-1(lines 114 120) no Hoare annotation was computed. [2023-11-29 06:13:29,918 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-29 06:13:29,918 INFO L899 garLoopResultBuilder]: For program point L157(lines 94 161) no Hoare annotation was computed. [2023-11-29 06:13:29,918 INFO L899 garLoopResultBuilder]: For program point L124(lines 124 130) no Hoare annotation was computed. [2023-11-29 06:13:29,918 INFO L899 garLoopResultBuilder]: For program point L124-1(lines 124 130) no Hoare annotation was computed. [2023-11-29 06:13:29,919 INFO L895 garLoopResultBuilder]: At program point L116(line 116) the Hoare annotation is: (and (= |ULTIMATE.start_main_~tmp~6#1| 1) (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2023-11-29 06:13:29,919 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-29 06:13:29,919 INFO L895 garLoopResultBuilder]: At program point L154(lines 103 155) the Hoare annotation is: false [2023-11-29 06:13:29,919 INFO L899 garLoopResultBuilder]: For program point L142(lines 142 148) no Hoare annotation was computed. [2023-11-29 06:13:29,919 INFO L895 garLoopResultBuilder]: At program point L142-2(lines 134 149) the Hoare annotation is: (and (= |ULTIMATE.start_main_~tmp~6#1| 1) (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2023-11-29 06:13:29,919 INFO L899 garLoopResultBuilder]: For program point L299(lines 299 305) no Hoare annotation was computed. [2023-11-29 06:13:29,919 INFO L899 garLoopResultBuilder]: For program point L105(lines 104 153) no Hoare annotation was computed. [2023-11-29 06:13:29,920 INFO L899 garLoopResultBuilder]: For program point L299-2(lines 299 305) no Hoare annotation was computed. [2023-11-29 06:13:29,920 INFO L899 garLoopResultBuilder]: For program point L134(lines 134 149) no Hoare annotation was computed. [2023-11-29 06:13:29,920 INFO L899 garLoopResultBuilder]: For program point L898(lines 898 905) no Hoare annotation was computed. [2023-11-29 06:13:29,920 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 374 385) no Hoare annotation was computed. [2023-11-29 06:13:29,920 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 374 385) the Hoare annotation is: true [2023-11-29 06:13:29,920 INFO L899 garLoopResultBuilder]: For program point L378-1(lines 374 385) no Hoare annotation was computed. [2023-11-29 06:13:29,922 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2023-11-29 06:13:29,924 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-29 06:13:29,934 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 06:13:29 BoogieIcfgContainer [2023-11-29 06:13:29,934 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-29 06:13:29,935 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-29 06:13:29,935 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-29 06:13:29,935 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-29 06:13:29,935 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:13:28" (3/4) ... [2023-11-29 06:13:29,937 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-29 06:13:29,939 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2023-11-29 06:13:29,939 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2023-11-29 06:13:29,940 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2023-11-29 06:13:29,940 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2023-11-29 06:13:29,940 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2023-11-29 06:13:29,946 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 28 nodes and edges [2023-11-29 06:13:29,946 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2023-11-29 06:13:29,947 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-11-29 06:13:29,947 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-29 06:13:29,947 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-29 06:13:30,031 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d746981-2d02-4ae6-8c89-a90901a9c65b/bin/uautomizer-verify-BQ2R08f2Ya/witness.graphml [2023-11-29 06:13:30,032 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d746981-2d02-4ae6-8c89-a90901a9c65b/bin/uautomizer-verify-BQ2R08f2Ya/witness.yml [2023-11-29 06:13:30,032 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-29 06:13:30,033 INFO L158 Benchmark]: Toolchain (without parser) took 2706.30ms. Allocated memory was 157.3MB in the beginning and 230.7MB in the end (delta: 73.4MB). Free memory was 116.4MB in the beginning and 192.7MB in the end (delta: -76.2MB). Peak memory consumption was 275.7kB. Max. memory is 16.1GB. [2023-11-29 06:13:30,033 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 157.3MB. Free memory is still 126.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 06:13:30,033 INFO L158 Benchmark]: CACSL2BoogieTranslator took 365.75ms. Allocated memory is still 157.3MB. Free memory was 115.9MB in the beginning and 97.0MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-29 06:13:30,034 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.54ms. Allocated memory is still 157.3MB. Free memory was 97.0MB in the beginning and 94.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 06:13:30,034 INFO L158 Benchmark]: Boogie Preprocessor took 39.63ms. Allocated memory is still 157.3MB. Free memory was 94.9MB in the beginning and 92.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 06:13:30,034 INFO L158 Benchmark]: RCFGBuilder took 359.32ms. Allocated memory is still 157.3MB. Free memory was 92.8MB in the beginning and 74.5MB in the end (delta: 18.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-29 06:13:30,035 INFO L158 Benchmark]: TraceAbstraction took 1793.13ms. Allocated memory was 157.3MB in the beginning and 230.7MB in the end (delta: 73.4MB). Free memory was 73.9MB in the beginning and 197.9MB in the end (delta: -124.0MB). Peak memory consumption was 44.7MB. Max. memory is 16.1GB. [2023-11-29 06:13:30,035 INFO L158 Benchmark]: Witness Printer took 97.43ms. Allocated memory is still 230.7MB. Free memory was 197.9MB in the beginning and 192.7MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-29 06:13:30,037 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 157.3MB. Free memory is still 126.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 365.75ms. Allocated memory is still 157.3MB. Free memory was 115.9MB in the beginning and 97.0MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 44.54ms. Allocated memory is still 157.3MB. Free memory was 97.0MB in the beginning and 94.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 39.63ms. Allocated memory is still 157.3MB. Free memory was 94.9MB in the beginning and 92.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 359.32ms. Allocated memory is still 157.3MB. Free memory was 92.8MB in the beginning and 74.5MB in the end (delta: 18.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1793.13ms. Allocated memory was 157.3MB in the beginning and 230.7MB in the end (delta: 73.4MB). Free memory was 73.9MB in the beginning and 197.9MB in the end (delta: -124.0MB). Peak memory consumption was 44.7MB. Max. memory is 16.1GB. * Witness Printer took 97.43ms. Allocated memory is still 230.7MB. Free memory was 197.9MB in the beginning and 192.7MB in the end (delta: 5.2MB). 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,"featureselect.i","") [49] - GenericResultAtLocation [Line: 87]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [87] - GenericResultAtLocation [Line: 162]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [162] - GenericResultAtLocation [Line: 318]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification2_spec.i","") [318] - GenericResultAtLocation [Line: 358]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [358] - GenericResultAtLocation [Line: 439]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [439] - GenericResultAtLocation [Line: 448]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [448] - GenericResultAtLocation [Line: 814]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [814] * 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: 444]: 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 6 procedures, 50 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.7s, OverallIterations: 5, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 143 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 137 mSDsluCounter, 336 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 142 mSDsCounter, 14 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 106 IncrementalHoareTripleChecker+Invalid, 120 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 14 mSolverCounterUnsat, 194 mSDtfsCounter, 106 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 74 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=132occurred in iteration=4, InterpolantAutomatonStates: 17, 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, 4 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 14 LocationsWithAnnotation, 62 PreInvPairs, 73 NumberOfFragments, 84 HoareAnnotationTreeSize, 62 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 14 FomulaSimplificationsInter, 256 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 159 NumberOfCodeBlocks, 159 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 153 ConstructedInterpolants, 0 QuantifiedInterpolants, 282 SizeOfPredicates, 1 NumberOfNonLiveVariables, 202 ConjunctsInSsa, 7 ConjunctsInUnsatCore, 6 InterpolantComputations, 5 PerfectInterpolantSequences, 35/36 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: 103]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 826]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 104]: Loop Invariant Derived loop invariant: ((((tmp == 1) && (pumpRunning == 0)) && (methAndRunningLastTime == 0)) && (splverifierCounter == 0)) RESULT: Ultimate proved your program to be correct! [2023-11-29 06:13:30,053 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d746981-2d02-4ae6-8c89-a90901a9c65b/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE