./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product18.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_88f30b47-9528-4a81-947c-ce7deb864744/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88f30b47-9528-4a81-947c-ce7deb864744/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_88f30b47-9528-4a81-947c-ce7deb864744/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88f30b47-9528-4a81-947c-ce7deb864744/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product18.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88f30b47-9528-4a81-947c-ce7deb864744/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_88f30b47-9528-4a81-947c-ce7deb864744/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 d15523fb5fa7fb710c0ce810eaa6ccfc4e6cdf50f754e30078d83eba1456e275 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 04:29:22,977 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 04:29:23,049 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88f30b47-9528-4a81-947c-ce7deb864744/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-29 04:29:23,053 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 04:29:23,054 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 04:29:23,078 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 04:29:23,079 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 04:29:23,080 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 04:29:23,081 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 04:29:23,081 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 04:29:23,082 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 04:29:23,082 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 04:29:23,083 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 04:29:23,084 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 04:29:23,084 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 04:29:23,085 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 04:29:23,085 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 04:29:23,086 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 04:29:23,086 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 04:29:23,087 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 04:29:23,087 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 04:29:23,088 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 04:29:23,089 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 04:29:23,089 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 04:29:23,089 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 04:29:23,090 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 04:29:23,090 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 04:29:23,091 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 04:29:23,091 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 04:29:23,092 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 04:29:23,092 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 04:29:23,092 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 04:29:23,093 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 04:29:23,093 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 04:29:23,093 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 04:29:23,094 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 04:29:23,094 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-29 04:29:23,094 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 04:29:23,094 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 04:29:23,094 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 04:29:23,095 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 04:29:23,095 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 04:29:23,095 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_88f30b47-9528-4a81-947c-ce7deb864744/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88f30b47-9528-4a81-947c-ce7deb864744/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d15523fb5fa7fb710c0ce810eaa6ccfc4e6cdf50f754e30078d83eba1456e275 [2023-11-29 04:29:23,310 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 04:29:23,331 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 04:29:23,334 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 04:29:23,335 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 04:29:23,336 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 04:29:23,337 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88f30b47-9528-4a81-947c-ce7deb864744/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/product-lines/minepump_spec5_product18.cil.c [2023-11-29 04:29:26,149 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 04:29:26,352 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 04:29:26,352 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88f30b47-9528-4a81-947c-ce7deb864744/sv-benchmarks/c/product-lines/minepump_spec5_product18.cil.c [2023-11-29 04:29:26,367 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88f30b47-9528-4a81-947c-ce7deb864744/bin/uautomizer-verify-BQ2R08f2Ya/data/8635ef441/e786ab154872495eb4f569016277014d/FLAG9ac0040bb [2023-11-29 04:29:26,381 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88f30b47-9528-4a81-947c-ce7deb864744/bin/uautomizer-verify-BQ2R08f2Ya/data/8635ef441/e786ab154872495eb4f569016277014d [2023-11-29 04:29:26,384 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 04:29:26,386 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 04:29:26,387 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 04:29:26,387 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 04:29:26,392 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 04:29:26,393 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 04:29:26" (1/1) ... [2023-11-29 04:29:26,394 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@81c5630 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:29:26, skipping insertion in model container [2023-11-29 04:29:26,394 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 04:29:26" (1/1) ... [2023-11-29 04:29:26,444 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 04:29:26,640 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_88f30b47-9528-4a81-947c-ce7deb864744/sv-benchmarks/c/product-lines/minepump_spec5_product18.cil.c[4891,4904] [2023-11-29 04:29:26,712 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 04:29:26,723 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 04:29:26,734 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [49] [2023-11-29 04:29:26,736 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [121] [2023-11-29 04:29:26,736 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [294] [2023-11-29 04:29:26,736 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [303] [2023-11-29 04:29:26,736 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [341] [2023-11-29 04:29:26,737 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [439] [2023-11-29 04:29:26,737 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [489] [2023-11-29 04:29:26,737 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [855] [2023-11-29 04:29:26,749 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_88f30b47-9528-4a81-947c-ce7deb864744/sv-benchmarks/c/product-lines/minepump_spec5_product18.cil.c[4891,4904] [2023-11-29 04:29:26,792 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 04:29:26,813 INFO L206 MainTranslator]: Completed translation [2023-11-29 04:29:26,813 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:29:26 WrapperNode [2023-11-29 04:29:26,813 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 04:29:26,814 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 04:29:26,815 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 04:29:26,815 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 04:29:26,822 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:29:26" (1/1) ... [2023-11-29 04:29:26,836 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:29:26" (1/1) ... [2023-11-29 04:29:26,862 INFO L138 Inliner]: procedures = 55, calls = 97, calls flagged for inlining = 23, calls inlined = 19, statements flattened = 174 [2023-11-29 04:29:26,862 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 04:29:26,863 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 04:29:26,863 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 04:29:26,863 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 04:29:26,875 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:29:26" (1/1) ... [2023-11-29 04:29:26,875 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:29:26" (1/1) ... [2023-11-29 04:29:26,877 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:29:26" (1/1) ... [2023-11-29 04:29:26,907 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 04:29:26,908 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:29:26" (1/1) ... [2023-11-29 04:29:26,908 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:29:26" (1/1) ... [2023-11-29 04:29:26,913 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:29:26" (1/1) ... [2023-11-29 04:29:26,917 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:29:26" (1/1) ... [2023-11-29 04:29:26,919 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:29:26" (1/1) ... [2023-11-29 04:29:26,920 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:29:26" (1/1) ... [2023-11-29 04:29:26,923 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 04:29:26,924 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 04:29:26,924 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 04:29:26,924 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 04:29:26,925 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:29:26" (1/1) ... [2023-11-29 04:29:26,931 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 04:29:26,942 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88f30b47-9528-4a81-947c-ce7deb864744/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 04:29:26,954 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88f30b47-9528-4a81-947c-ce7deb864744/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 04:29:26,963 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88f30b47-9528-4a81-947c-ce7deb864744/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 04:29:26,993 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 04:29:26,993 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2023-11-29 04:29:26,993 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2023-11-29 04:29:26,993 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2023-11-29 04:29:26,994 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2023-11-29 04:29:26,994 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2023-11-29 04:29:26,994 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2023-11-29 04:29:26,994 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2023-11-29 04:29:26,994 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2023-11-29 04:29:26,994 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2023-11-29 04:29:26,994 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2023-11-29 04:29:26,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-29 04:29:26,995 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2023-11-29 04:29:26,995 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2023-11-29 04:29:26,995 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 04:29:26,995 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 04:29:27,069 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 04:29:27,071 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 04:29:27,282 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 04:29:27,344 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 04:29:27,344 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-29 04:29:27,345 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 04:29:27 BoogieIcfgContainer [2023-11-29 04:29:27,345 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 04:29:27,348 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 04:29:27,348 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 04:29:27,351 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 04:29:27,351 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 04:29:26" (1/3) ... [2023-11-29 04:29:27,352 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a0df8f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 04:29:27, skipping insertion in model container [2023-11-29 04:29:27,352 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:29:26" (2/3) ... [2023-11-29 04:29:27,353 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a0df8f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 04:29:27, skipping insertion in model container [2023-11-29 04:29:27,353 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 04:29:27" (3/3) ... [2023-11-29 04:29:27,354 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product18.cil.c [2023-11-29 04:29:27,369 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 04:29:27,369 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-29 04:29:27,413 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 04:29:27,419 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;@3b3d2aae, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 04:29:27,419 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-29 04:29:27,423 INFO L276 IsEmpty]: Start isEmpty. Operand has 60 states, 42 states have (on average 1.5476190476190477) internal successors, (65), 48 states have internal predecessors, (65), 10 states have call successors, (10), 6 states have call predecessors, (10), 6 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) [2023-11-29 04:29:27,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-29 04:29:27,431 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:29:27,431 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:29:27,432 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:29:27,436 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:29:27,437 INFO L85 PathProgramCache]: Analyzing trace with hash -928209256, now seen corresponding path program 1 times [2023-11-29 04:29:27,444 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:29:27,444 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1734178387] [2023-11-29 04:29:27,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:29:27,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:29:27,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:29:27,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-29 04:29:27,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:29:27,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-29 04:29:27,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:29:27,642 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-29 04:29:27,643 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:29:27,643 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1734178387] [2023-11-29 04:29:27,644 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1734178387] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:29:27,644 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:29:27,644 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 04:29:27,646 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [79648012] [2023-11-29 04:29:27,647 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:29:27,651 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-29 04:29:27,651 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:29:27,679 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-29 04:29:27,680 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 04:29:27,683 INFO L87 Difference]: Start difference. First operand has 60 states, 42 states have (on average 1.5476190476190477) internal successors, (65), 48 states have internal predecessors, (65), 10 states have call successors, (10), 6 states have call predecessors, (10), 6 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) Second operand has 2 states, 2 states have (on average 7.5) internal successors, (15), 2 states have internal predecessors, (15), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-29 04:29:27,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:29:27,735 INFO L93 Difference]: Finished difference Result 118 states and 171 transitions. [2023-11-29 04:29:27,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-29 04:29:27,738 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 7.5) internal successors, (15), 2 states have internal predecessors, (15), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 22 [2023-11-29 04:29:27,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:29:27,747 INFO L225 Difference]: With dead ends: 118 [2023-11-29 04:29:27,747 INFO L226 Difference]: Without dead ends: 55 [2023-11-29 04:29:27,751 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 6 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 04:29:27,754 INFO L413 NwaCegarLoop]: 66 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 66 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 04:29:27,755 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 66 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 04:29:27,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2023-11-29 04:29:27,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2023-11-29 04:29:27,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 39 states have (on average 1.4102564102564104) internal successors, (55), 44 states have internal predecessors, (55), 10 states have call successors, (10), 6 states have call predecessors, (10), 5 states have return successors, (9), 8 states have call predecessors, (9), 9 states have call successors, (9) [2023-11-29 04:29:27,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 74 transitions. [2023-11-29 04:29:27,797 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 74 transitions. Word has length 22 [2023-11-29 04:29:27,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:29:27,798 INFO L495 AbstractCegarLoop]: Abstraction has 55 states and 74 transitions. [2023-11-29 04:29:27,798 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 7.5) internal successors, (15), 2 states have internal predecessors, (15), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-29 04:29:27,798 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 74 transitions. [2023-11-29 04:29:27,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-29 04:29:27,801 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:29:27,801 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:29:27,801 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-29 04:29:27,802 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:29:27,802 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:29:27,802 INFO L85 PathProgramCache]: Analyzing trace with hash 136645197, now seen corresponding path program 1 times [2023-11-29 04:29:27,802 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:29:27,803 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [446903886] [2023-11-29 04:29:27,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:29:27,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:29:27,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:29:27,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-29 04:29:27,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:29:27,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-11-29 04:29:27,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:29:27,911 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-29 04:29:27,911 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:29:27,912 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [446903886] [2023-11-29 04:29:27,912 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [446903886] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:29:27,912 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:29:27,912 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 04:29:27,912 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1354447574] [2023-11-29 04:29:27,913 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:29:27,914 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 04:29:27,914 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:29:27,915 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 04:29:27,915 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:29:27,915 INFO L87 Difference]: Start difference. First operand 55 states and 74 transitions. Second operand has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-29 04:29:27,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:29:27,951 INFO L93 Difference]: Finished difference Result 83 states and 111 transitions. [2023-11-29 04:29:27,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 04:29:27,952 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 23 [2023-11-29 04:29:27,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:29:27,953 INFO L225 Difference]: With dead ends: 83 [2023-11-29 04:29:27,953 INFO L226 Difference]: Without dead ends: 47 [2023-11-29 04:29:27,954 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 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 04:29:27,956 INFO L413 NwaCegarLoop]: 52 mSDtfsCounter, 11 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 91 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 04:29:27,957 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 91 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 04:29:27,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2023-11-29 04:29:27,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2023-11-29 04:29:27,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 34 states have (on average 1.4411764705882353) internal successors, (49), 39 states have internal predecessors, (49), 7 states have call successors, (7), 5 states have call predecessors, (7), 5 states have return successors, (7), 6 states have call predecessors, (7), 7 states have call successors, (7) [2023-11-29 04:29:27,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 63 transitions. [2023-11-29 04:29:27,966 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 63 transitions. Word has length 23 [2023-11-29 04:29:27,967 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:29:27,967 INFO L495 AbstractCegarLoop]: Abstraction has 47 states and 63 transitions. [2023-11-29 04:29:27,967 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-29 04:29:27,967 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 63 transitions. [2023-11-29 04:29:27,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-29 04:29:27,969 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:29:27,969 INFO L195 NwaCegarLoop]: trace histogram [2, 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 04:29:27,969 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-29 04:29:27,969 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:29:27,970 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:29:27,970 INFO L85 PathProgramCache]: Analyzing trace with hash -587155899, now seen corresponding path program 1 times [2023-11-29 04:29:27,970 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:29:27,971 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1999531176] [2023-11-29 04:29:27,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:29:27,971 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:29:27,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:29:28,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-29 04:29:28,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:29:28,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-29 04:29:28,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:29:28,064 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-29 04:29:28,064 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:29:28,065 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1999531176] [2023-11-29 04:29:28,065 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1999531176] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:29:28,065 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:29:28,065 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 04:29:28,065 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1653411154] [2023-11-29 04:29:28,066 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:29:28,066 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 04:29:28,066 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:29:28,067 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 04:29:28,067 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:29:28,068 INFO L87 Difference]: Start difference. First operand 47 states and 63 transitions. Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-29 04:29:28,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:29:28,099 INFO L93 Difference]: Finished difference Result 92 states and 125 transitions. [2023-11-29 04:29:28,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 04:29:28,100 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 26 [2023-11-29 04:29:28,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:29:28,101 INFO L225 Difference]: With dead ends: 92 [2023-11-29 04:29:28,101 INFO L226 Difference]: Without dead ends: 47 [2023-11-29 04:29:28,102 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 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 04:29:28,104 INFO L413 NwaCegarLoop]: 50 mSDtfsCounter, 55 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 50 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 04:29:28,104 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [55 Valid, 50 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 04:29:28,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2023-11-29 04:29:28,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2023-11-29 04:29:28,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 34 states have (on average 1.411764705882353) internal successors, (48), 39 states have internal predecessors, (48), 7 states have call successors, (7), 5 states have call predecessors, (7), 5 states have return successors, (7), 6 states have call predecessors, (7), 7 states have call successors, (7) [2023-11-29 04:29:28,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 62 transitions. [2023-11-29 04:29:28,114 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 62 transitions. Word has length 26 [2023-11-29 04:29:28,115 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:29:28,115 INFO L495 AbstractCegarLoop]: Abstraction has 47 states and 62 transitions. [2023-11-29 04:29:28,115 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-29 04:29:28,116 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 62 transitions. [2023-11-29 04:29:28,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-29 04:29:28,117 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:29:28,117 INFO L195 NwaCegarLoop]: trace histogram [2, 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 04:29:28,117 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-29 04:29:28,118 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:29:28,118 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:29:28,118 INFO L85 PathProgramCache]: Analyzing trace with hash 712286519, now seen corresponding path program 1 times [2023-11-29 04:29:28,119 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:29:28,119 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1591841652] [2023-11-29 04:29:28,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:29:28,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:29:28,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:29:28,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-29 04:29:28,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:29:28,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-29 04:29:28,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:29:28,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-11-29 04:29:28,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:29:28,246 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-29 04:29:28,246 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:29:28,247 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1591841652] [2023-11-29 04:29:28,247 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1591841652] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:29:28,247 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:29:28,247 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-29 04:29:28,247 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1444513725] [2023-11-29 04:29:28,248 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:29:28,248 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 04:29:28,248 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:29:28,249 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 04:29:28,249 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-29 04:29:28,249 INFO L87 Difference]: Start difference. First operand 47 states and 62 transitions. Second operand has 6 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-29 04:29:28,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:29:28,349 INFO L93 Difference]: Finished difference Result 84 states and 111 transitions. [2023-11-29 04:29:28,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 04:29:28,349 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) Word has length 31 [2023-11-29 04:29:28,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:29:28,350 INFO L225 Difference]: With dead ends: 84 [2023-11-29 04:29:28,350 INFO L226 Difference]: Without dead ends: 0 [2023-11-29 04:29:28,351 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 7 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 04:29:28,353 INFO L413 NwaCegarLoop]: 34 mSDtfsCounter, 37 mSDsluCounter, 89 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 123 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 04:29:28,353 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 123 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 04:29:28,354 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-29 04:29:28,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-29 04:29:28,355 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 04:29:28,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-29 04:29:28,355 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 31 [2023-11-29 04:29:28,355 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:29:28,355 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-29 04:29:28,356 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-29 04:29:28,356 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-29 04:29:28,356 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-29 04:29:28,359 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-29 04:29:28,359 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-29 04:29:28,361 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-29 04:29:28,482 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 162 168) no Hoare annotation was computed. [2023-11-29 04:29:28,482 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 162 168) the Hoare annotation is: true [2023-11-29 04:29:28,483 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 882 893) the Hoare annotation is: true [2023-11-29 04:29:28,483 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 882 893) no Hoare annotation was computed. [2023-11-29 04:29:28,483 INFO L899 garLoopResultBuilder]: For program point L886-1(lines 882 893) no Hoare annotation was computed. [2023-11-29 04:29:28,483 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 343 372) no Hoare annotation was computed. [2023-11-29 04:29:28,483 INFO L902 garLoopResultBuilder]: At program point L353-2(lines 353 367) the Hoare annotation is: true [2023-11-29 04:29:28,483 INFO L902 garLoopResultBuilder]: At program point L349(line 349) the Hoare annotation is: true [2023-11-29 04:29:28,483 INFO L899 garLoopResultBuilder]: For program point L349-1(line 349) no Hoare annotation was computed. [2023-11-29 04:29:28,484 INFO L899 garLoopResultBuilder]: For program point L368(lines 343 372) no Hoare annotation was computed. [2023-11-29 04:29:28,484 INFO L899 garLoopResultBuilder]: For program point L364(line 364) no Hoare annotation was computed. [2023-11-29 04:29:28,484 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 343 372) the Hoare annotation is: true [2023-11-29 04:29:28,484 INFO L899 garLoopResultBuilder]: For program point L357(lines 357 361) no Hoare annotation was computed. [2023-11-29 04:29:28,484 INFO L902 garLoopResultBuilder]: At program point L357-1(lines 357 361) the Hoare annotation is: true [2023-11-29 04:29:28,484 INFO L899 garLoopResultBuilder]: For program point L473(lines 473 479) no Hoare annotation was computed. [2023-11-29 04:29:28,485 INFO L895 garLoopResultBuilder]: At program point L184(line 184) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0))) [2023-11-29 04:29:28,485 INFO L899 garLoopResultBuilder]: For program point L862(lines 862 866) no Hoare annotation was computed. [2023-11-29 04:29:28,485 INFO L895 garLoopResultBuilder]: At program point L189(line 189) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= 1 ~systemActive~0))) [2023-11-29 04:29:28,485 INFO L899 garLoopResultBuilder]: For program point L862-2(lines 858 869) no Hoare annotation was computed. [2023-11-29 04:29:28,486 INFO L899 garLoopResultBuilder]: For program point L189-1(lines 170 194) no Hoare annotation was computed. [2023-11-29 04:29:28,486 INFO L895 garLoopResultBuilder]: At program point L470(line 470) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= 1 ~systemActive~0))) [2023-11-29 04:29:28,486 INFO L899 garLoopResultBuilder]: For program point L470-1(line 470) no Hoare annotation was computed. [2023-11-29 04:29:28,486 INFO L899 garLoopResultBuilder]: For program point L276(lines 276 280) no Hoare annotation was computed. [2023-11-29 04:29:28,486 INFO L899 garLoopResultBuilder]: For program point L276-2(lines 276 280) no Hoare annotation was computed. [2023-11-29 04:29:28,487 INFO L899 garLoopResultBuilder]: For program point L149-1(lines 149 155) no Hoare annotation was computed. [2023-11-29 04:29:28,487 INFO L899 garLoopResultBuilder]: For program point L178(lines 178 186) no Hoare annotation was computed. [2023-11-29 04:29:28,487 INFO L899 garLoopResultBuilder]: For program point L174(lines 174 191) no Hoare annotation was computed. [2023-11-29 04:29:28,487 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 135 161) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= 1 ~systemActive~0))) [2023-11-29 04:29:28,487 INFO L895 garLoopResultBuilder]: At program point L455(line 455) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= 1 ~systemActive~0))) [2023-11-29 04:29:28,487 INFO L899 garLoopResultBuilder]: For program point L455-1(line 455) no Hoare annotation was computed. [2023-11-29 04:29:28,488 INFO L899 garLoopResultBuilder]: For program point L472(lines 472 482) no Hoare annotation was computed. [2023-11-29 04:29:28,488 INFO L899 garLoopResultBuilder]: For program point L468(lines 468 485) no Hoare annotation was computed. [2023-11-29 04:29:28,488 INFO L899 garLoopResultBuilder]: For program point L468-1(lines 460 488) no Hoare annotation was computed. [2023-11-29 04:29:28,488 INFO L899 garLoopResultBuilder]: For program point L142(lines 142 148) no Hoare annotation was computed. [2023-11-29 04:29:28,488 INFO L899 garLoopResultBuilder]: For program point L142-2(lines 138 160) no Hoare annotation was computed. [2023-11-29 04:29:28,488 INFO L899 garLoopResultBuilder]: For program point L299(line 299) no Hoare annotation was computed. [2023-11-29 04:29:28,489 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 135 161) no Hoare annotation was computed. [2023-11-29 04:29:28,489 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 299) no Hoare annotation was computed. [2023-11-29 04:29:28,489 INFO L899 garLoopResultBuilder]: For program point L85(lines 85 91) no Hoare annotation was computed. [2023-11-29 04:29:28,489 INFO L899 garLoopResultBuilder]: For program point L85-1(lines 85 91) no Hoare annotation was computed. [2023-11-29 04:29:28,489 INFO L895 garLoopResultBuilder]: At program point L110(lines 65 112) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2023-11-29 04:29:28,490 INFO L895 garLoopResultBuilder]: At program point L77(line 77) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2023-11-29 04:29:28,490 INFO L899 garLoopResultBuilder]: For program point L103(lines 103 107) no Hoare annotation was computed. [2023-11-29 04:29:28,490 INFO L895 garLoopResultBuilder]: At program point L103-2(lines 95 108) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2023-11-29 04:29:28,490 INFO L899 garLoopResultBuilder]: For program point L66(lines 65 112) no Hoare annotation was computed. [2023-11-29 04:29:28,490 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-29 04:29:28,490 INFO L899 garLoopResultBuilder]: For program point L95(lines 95 108) no Hoare annotation was computed. [2023-11-29 04:29:28,491 INFO L895 garLoopResultBuilder]: At program point L87(line 87) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2023-11-29 04:29:28,491 INFO L899 garLoopResultBuilder]: For program point L116(lines 55 120) no Hoare annotation was computed. [2023-11-29 04:29:28,491 INFO L899 garLoopResultBuilder]: For program point L75(lines 75 81) no Hoare annotation was computed. [2023-11-29 04:29:28,491 INFO L899 garLoopResultBuilder]: For program point L426(lines 426 433) no Hoare annotation was computed. [2023-11-29 04:29:28,491 INFO L899 garLoopResultBuilder]: For program point L75-1(lines 75 81) no Hoare annotation was computed. [2023-11-29 04:29:28,491 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-29 04:29:28,491 INFO L899 garLoopResultBuilder]: For program point L426-2(lines 426 433) no Hoare annotation was computed. [2023-11-29 04:29:28,491 INFO L895 garLoopResultBuilder]: At program point L113(lines 64 114) the Hoare annotation is: false [2023-11-29 04:29:28,491 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 870 881) no Hoare annotation was computed. [2023-11-29 04:29:28,492 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 870 881) the Hoare annotation is: true [2023-11-29 04:29:28,492 INFO L899 garLoopResultBuilder]: For program point L874-1(lines 870 881) no Hoare annotation was computed. [2023-11-29 04:29:28,492 INFO L899 garLoopResultBuilder]: For program point isPumpRunningEXIT(lines 222 230) no Hoare annotation was computed. [2023-11-29 04:29:28,492 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 222 230) the Hoare annotation is: true [2023-11-29 04:29:28,495 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2023-11-29 04:29:28,497 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-29 04:29:28,508 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 04:29:28 BoogieIcfgContainer [2023-11-29 04:29:28,508 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-29 04:29:28,509 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-29 04:29:28,509 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-29 04:29:28,509 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-29 04:29:28,510 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 04:29:27" (3/4) ... [2023-11-29 04:29:28,511 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-29 04:29:28,515 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2023-11-29 04:29:28,515 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2023-11-29 04:29:28,515 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2023-11-29 04:29:28,515 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2023-11-29 04:29:28,516 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2023-11-29 04:29:28,516 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2023-11-29 04:29:28,522 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 31 nodes and edges [2023-11-29 04:29:28,523 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2023-11-29 04:29:28,524 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-11-29 04:29:28,524 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-29 04:29:28,525 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-29 04:29:28,632 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88f30b47-9528-4a81-947c-ce7deb864744/bin/uautomizer-verify-BQ2R08f2Ya/witness.graphml [2023-11-29 04:29:28,633 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88f30b47-9528-4a81-947c-ce7deb864744/bin/uautomizer-verify-BQ2R08f2Ya/witness.yml [2023-11-29 04:29:28,633 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-29 04:29:28,634 INFO L158 Benchmark]: Toolchain (without parser) took 2248.02ms. Allocated memory was 176.2MB in the beginning and 243.3MB in the end (delta: 67.1MB). Free memory was 134.2MB in the beginning and 136.4MB in the end (delta: -2.3MB). Peak memory consumption was 66.8MB. Max. memory is 16.1GB. [2023-11-29 04:29:28,634 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 176.2MB. Free memory is still 120.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 04:29:28,634 INFO L158 Benchmark]: CACSL2BoogieTranslator took 426.65ms. Allocated memory is still 176.2MB. Free memory was 134.1MB in the beginning and 114.5MB in the end (delta: 19.5MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-29 04:29:28,635 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.80ms. Allocated memory is still 176.2MB. Free memory was 114.5MB in the beginning and 112.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 04:29:28,635 INFO L158 Benchmark]: Boogie Preprocessor took 60.23ms. Allocated memory is still 176.2MB. Free memory was 112.5MB in the beginning and 110.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 04:29:28,636 INFO L158 Benchmark]: RCFGBuilder took 421.66ms. Allocated memory is still 176.2MB. Free memory was 110.4MB in the beginning and 90.0MB in the end (delta: 20.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-29 04:29:28,636 INFO L158 Benchmark]: TraceAbstraction took 1160.14ms. Allocated memory was 176.2MB in the beginning and 243.3MB in the end (delta: 67.1MB). Free memory was 89.4MB in the beginning and 142.7MB in the end (delta: -53.3MB). Peak memory consumption was 14.4MB. Max. memory is 16.1GB. [2023-11-29 04:29:28,636 INFO L158 Benchmark]: Witness Printer took 124.09ms. Allocated memory is still 243.3MB. Free memory was 142.7MB in the beginning and 136.4MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-29 04:29:28,639 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 176.2MB. Free memory is still 120.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 426.65ms. Allocated memory is still 176.2MB. Free memory was 134.1MB in the beginning and 114.5MB in the end (delta: 19.5MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.80ms. Allocated memory is still 176.2MB. Free memory was 114.5MB in the beginning and 112.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 60.23ms. Allocated memory is still 176.2MB. Free memory was 112.5MB in the beginning and 110.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 421.66ms. Allocated memory is still 176.2MB. Free memory was 110.4MB in the beginning and 90.0MB in the end (delta: 20.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 1160.14ms. Allocated memory was 176.2MB in the beginning and 243.3MB in the end (delta: 67.1MB). Free memory was 89.4MB in the beginning and 142.7MB in the end (delta: -53.3MB). Peak memory consumption was 14.4MB. Max. memory is 16.1GB. * Witness Printer took 124.09ms. Allocated memory is still 243.3MB. Free memory was 142.7MB in the beginning and 136.4MB 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,"scenario.i","") [49] - GenericResultAtLocation [Line: 121]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [121] - GenericResultAtLocation [Line: 294]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [294] - GenericResultAtLocation [Line: 303]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [303] - GenericResultAtLocation [Line: 341]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [341] - GenericResultAtLocation [Line: 439]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [439] - GenericResultAtLocation [Line: 489]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [489] - GenericResultAtLocation [Line: 855]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [855] * 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: 299]: 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, 60 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 4, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 108 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 103 mSDsluCounter, 330 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 128 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 106 IncrementalHoareTripleChecker+Invalid, 110 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 202 mSDtfsCounter, 106 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 34 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=60occurred in iteration=0, InterpolantAutomatonStates: 14, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 18 LocationsWithAnnotation, 80 PreInvPairs, 86 NumberOfFragments, 106 HoareAnnotationTreeSize, 80 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 18 FomulaSimplificationsInter, 76 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 102 NumberOfCodeBlocks, 102 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 98 ConstructedInterpolants, 0 QuantifiedInterpolants, 134 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 8/8 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: 65]: Loop Invariant Derived loop invariant: (((pumpRunning == 0) && (1 == systemActive)) && (splverifierCounter == 0)) - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 353]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2023-11-29 04:29:28,656 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88f30b47-9528-4a81-947c-ce7deb864744/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