./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product64.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_80f2224a-358d-4477-a597-73eb0551ebc7/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80f2224a-358d-4477-a597-73eb0551ebc7/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_80f2224a-358d-4477-a597-73eb0551ebc7/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80f2224a-358d-4477-a597-73eb0551ebc7/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product64.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80f2224a-358d-4477-a597-73eb0551ebc7/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_80f2224a-358d-4477-a597-73eb0551ebc7/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 59d05b45c2855b02eb92cf6428285b3e4820a09d46d6a6d0a0748347de3adbb6 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 06:33:14,156 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 06:33:14,219 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80f2224a-358d-4477-a597-73eb0551ebc7/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-29 06:33:14,223 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 06:33:14,224 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 06:33:14,246 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 06:33:14,247 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 06:33:14,247 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 06:33:14,248 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 06:33:14,248 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 06:33:14,249 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 06:33:14,249 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 06:33:14,250 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 06:33:14,251 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 06:33:14,251 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 06:33:14,252 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 06:33:14,253 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 06:33:14,253 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 06:33:14,253 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 06:33:14,254 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 06:33:14,254 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 06:33:14,255 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 06:33:14,255 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 06:33:14,255 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 06:33:14,256 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 06:33:14,256 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 06:33:14,256 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 06:33:14,257 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 06:33:14,257 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 06:33:14,257 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 06:33:14,258 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 06:33:14,258 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 06:33:14,258 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 06:33:14,258 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 06:33:14,259 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 06:33:14,259 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 06:33:14,259 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-29 06:33:14,259 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 06:33:14,259 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 06:33:14,259 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 06:33:14,259 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 06:33:14,260 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 06:33:14,260 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_80f2224a-358d-4477-a597-73eb0551ebc7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80f2224a-358d-4477-a597-73eb0551ebc7/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 59d05b45c2855b02eb92cf6428285b3e4820a09d46d6a6d0a0748347de3adbb6 [2023-11-29 06:33:14,463 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 06:33:14,484 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 06:33:14,497 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 06:33:14,499 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 06:33:14,500 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 06:33:14,501 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80f2224a-358d-4477-a597-73eb0551ebc7/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/product-lines/minepump_spec2_product64.cil.c [2023-11-29 06:33:17,304 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 06:33:17,507 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 06:33:17,507 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80f2224a-358d-4477-a597-73eb0551ebc7/sv-benchmarks/c/product-lines/minepump_spec2_product64.cil.c [2023-11-29 06:33:17,524 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80f2224a-358d-4477-a597-73eb0551ebc7/bin/uautomizer-verify-BQ2R08f2Ya/data/ab5980661/1226e34ed6474a258ed562908e29ef49/FLAG2ebd0c72e [2023-11-29 06:33:17,539 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80f2224a-358d-4477-a597-73eb0551ebc7/bin/uautomizer-verify-BQ2R08f2Ya/data/ab5980661/1226e34ed6474a258ed562908e29ef49 [2023-11-29 06:33:17,542 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 06:33:17,544 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 06:33:17,545 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 06:33:17,545 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 06:33:17,550 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 06:33:17,551 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 06:33:17" (1/1) ... [2023-11-29 06:33:17,552 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e0083bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:33:17, skipping insertion in model container [2023-11-29 06:33:17,552 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 06:33:17" (1/1) ... [2023-11-29 06:33:17,601 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 06:33:17,786 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_80f2224a-358d-4477-a597-73eb0551ebc7/sv-benchmarks/c/product-lines/minepump_spec2_product64.cil.c[6823,6836] [2023-11-29 06:33:17,869 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 06:33:17,882 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 06:33:17,895 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [49] [2023-11-29 06:33:17,897 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [87] [2023-11-29 06:33:17,897 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [363] [2023-11-29 06:33:17,898 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [435] [2023-11-29 06:33:17,898 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification2_spec.i","") [444] [2023-11-29 06:33:17,899 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [483] [2023-11-29 06:33:17,899 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [587] [2023-11-29 06:33:17,899 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [684] [2023-11-29 06:33:17,919 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_80f2224a-358d-4477-a597-73eb0551ebc7/sv-benchmarks/c/product-lines/minepump_spec2_product64.cil.c[6823,6836] [2023-11-29 06:33:17,964 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 06:33:17,990 INFO L206 MainTranslator]: Completed translation [2023-11-29 06:33:17,990 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:33:17 WrapperNode [2023-11-29 06:33:17,991 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 06:33:17,992 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 06:33:17,992 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 06:33:17,993 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 06:33:18,002 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:33:17" (1/1) ... [2023-11-29 06:33:18,018 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:33:17" (1/1) ... [2023-11-29 06:33:18,047 INFO L138 Inliner]: procedures = 60, calls = 108, calls flagged for inlining = 25, calls inlined = 22, statements flattened = 231 [2023-11-29 06:33:18,048 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 06:33:18,049 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 06:33:18,049 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 06:33:18,049 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 06:33:18,060 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:33:17" (1/1) ... [2023-11-29 06:33:18,061 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:33:17" (1/1) ... [2023-11-29 06:33:18,064 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:33:17" (1/1) ... [2023-11-29 06:33:18,081 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 06:33:18,082 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:33:17" (1/1) ... [2023-11-29 06:33:18,082 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:33:17" (1/1) ... [2023-11-29 06:33:18,089 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:33:17" (1/1) ... [2023-11-29 06:33:18,094 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:33:17" (1/1) ... [2023-11-29 06:33:18,096 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:33:17" (1/1) ... [2023-11-29 06:33:18,098 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:33:17" (1/1) ... [2023-11-29 06:33:18,102 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 06:33:18,103 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 06:33:18,103 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 06:33:18,103 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 06:33:18,116 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:33:17" (1/1) ... [2023-11-29 06:33:18,124 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 06:33:18,136 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80f2224a-358d-4477-a597-73eb0551ebc7/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:33:18,149 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80f2224a-358d-4477-a597-73eb0551ebc7/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 06:33:18,151 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80f2224a-358d-4477-a597-73eb0551ebc7/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 06:33:18,192 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 06:33:18,193 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2023-11-29 06:33:18,193 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2023-11-29 06:33:18,193 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2023-11-29 06:33:18,193 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2023-11-29 06:33:18,193 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2023-11-29 06:33:18,193 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2023-11-29 06:33:18,193 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2023-11-29 06:33:18,194 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2023-11-29 06:33:18,194 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2023-11-29 06:33:18,194 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2023-11-29 06:33:18,194 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2023-11-29 06:33:18,194 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2023-11-29 06:33:18,194 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2023-11-29 06:33:18,194 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2023-11-29 06:33:18,195 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2023-11-29 06:33:18,195 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2023-11-29 06:33:18,195 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2023-11-29 06:33:18,195 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2023-11-29 06:33:18,195 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-29 06:33:18,195 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2023-11-29 06:33:18,195 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2023-11-29 06:33:18,196 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 06:33:18,196 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 06:33:18,288 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 06:33:18,290 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 06:33:18,576 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 06:33:18,647 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 06:33:18,648 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-29 06:33:18,648 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:33:18 BoogieIcfgContainer [2023-11-29 06:33:18,648 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 06:33:18,652 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 06:33:18,652 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 06:33:18,656 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 06:33:18,656 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 06:33:17" (1/3) ... [2023-11-29 06:33:18,657 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1990314b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 06:33:18, skipping insertion in model container [2023-11-29 06:33:18,657 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:33:17" (2/3) ... [2023-11-29 06:33:18,658 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1990314b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 06:33:18, skipping insertion in model container [2023-11-29 06:33:18,658 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:33:18" (3/3) ... [2023-11-29 06:33:18,659 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product64.cil.c [2023-11-29 06:33:18,679 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 06:33:18,679 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-29 06:33:18,728 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 06:33:18,735 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;@6bb56e80, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 06:33:18,736 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-29 06:33:18,740 INFO L276 IsEmpty]: Start isEmpty. Operand has 92 states, 61 states have (on average 1.5081967213114753) internal successors, (92), 72 states have internal predecessors, (92), 19 states have call successors, (19), 10 states have call predecessors, (19), 10 states have return successors, (19), 14 states have call predecessors, (19), 19 states have call successors, (19) [2023-11-29 06:33:18,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-29 06:33:18,753 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:33:18,754 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 06:33:18,754 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:33:18,761 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:33:18,761 INFO L85 PathProgramCache]: Analyzing trace with hash -835084061, now seen corresponding path program 1 times [2023-11-29 06:33:18,770 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:33:18,771 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [722680927] [2023-11-29 06:33:18,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:33:18,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:33:18,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:33:18,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-29 06:33:18,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:33:18,948 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 06:33:18,948 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:33:18,949 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [722680927] [2023-11-29 06:33:18,950 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [722680927] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:33:18,950 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:33:18,950 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 06:33:18,952 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [114214357] [2023-11-29 06:33:18,953 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:33:18,958 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-29 06:33:18,959 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:33:18,993 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-29 06:33:18,994 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 06:33:18,997 INFO L87 Difference]: Start difference. First operand has 92 states, 61 states have (on average 1.5081967213114753) internal successors, (92), 72 states have internal predecessors, (92), 19 states have call successors, (19), 10 states have call predecessors, (19), 10 states have return successors, (19), 14 states have call predecessors, (19), 19 states have call successors, (19) 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 06:33:19,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:33:19,072 INFO L93 Difference]: Finished difference Result 182 states and 261 transitions. [2023-11-29 06:33:19,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-29 06:33:19,075 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 06:33:19,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:33:19,087 INFO L225 Difference]: With dead ends: 182 [2023-11-29 06:33:19,087 INFO L226 Difference]: Without dead ends: 87 [2023-11-29 06:33:19,091 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 06:33:19,095 INFO L413 NwaCegarLoop]: 108 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 108 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 06:33:19,096 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 108 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 06:33:19,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2023-11-29 06:33:19,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 87. [2023-11-29 06:33:19,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 58 states have (on average 1.4137931034482758) internal successors, (82), 68 states have internal predecessors, (82), 19 states have call successors, (19), 10 states have call predecessors, (19), 9 states have return successors, (18), 13 states have call predecessors, (18), 18 states have call successors, (18) [2023-11-29 06:33:19,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 119 transitions. [2023-11-29 06:33:19,140 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 119 transitions. Word has length 17 [2023-11-29 06:33:19,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:33:19,140 INFO L495 AbstractCegarLoop]: Abstraction has 87 states and 119 transitions. [2023-11-29 06:33:19,141 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 06:33:19,141 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 119 transitions. [2023-11-29 06:33:19,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-29 06:33:19,144 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:33:19,144 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 06:33:19,145 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-29 06:33:19,145 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:33:19,146 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:33:19,146 INFO L85 PathProgramCache]: Analyzing trace with hash 1922833525, now seen corresponding path program 1 times [2023-11-29 06:33:19,146 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:33:19,147 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1408950560] [2023-11-29 06:33:19,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:33:19,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:33:19,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:33:19,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-29 06:33:19,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:33:19,256 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 06:33:19,256 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:33:19,257 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1408950560] [2023-11-29 06:33:19,257 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1408950560] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:33:19,257 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:33:19,257 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 06:33:19,257 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1526862993] [2023-11-29 06:33:19,258 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:33:19,259 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 06:33:19,259 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:33:19,260 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 06:33:19,260 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 06:33:19,261 INFO L87 Difference]: Start difference. First operand 87 states and 119 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 06:33:19,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:33:19,310 INFO L93 Difference]: Finished difference Result 144 states and 196 transitions. [2023-11-29 06:33:19,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 06:33:19,311 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 06:33:19,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:33:19,313 INFO L225 Difference]: With dead ends: 144 [2023-11-29 06:33:19,313 INFO L226 Difference]: Without dead ends: 79 [2023-11-29 06:33:19,315 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 06:33:19,316 INFO L413 NwaCegarLoop]: 94 mSDtfsCounter, 14 mSDsluCounter, 78 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 172 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 06:33:19,317 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 172 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 06:33:19,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2023-11-29 06:33:19,329 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 79. [2023-11-29 06:33:19,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79 states, 53 states have (on average 1.4339622641509433) internal successors, (76), 63 states have internal predecessors, (76), 16 states have call successors, (16), 9 states have call predecessors, (16), 9 states have return successors, (16), 11 states have call predecessors, (16), 16 states have call successors, (16) [2023-11-29 06:33:19,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 108 transitions. [2023-11-29 06:33:19,332 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 108 transitions. Word has length 18 [2023-11-29 06:33:19,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:33:19,332 INFO L495 AbstractCegarLoop]: Abstraction has 79 states and 108 transitions. [2023-11-29 06:33:19,332 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 06:33:19,332 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 108 transitions. [2023-11-29 06:33:19,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-29 06:33:19,334 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:33:19,334 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 06:33:19,334 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-29 06:33:19,335 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:33:19,335 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:33:19,335 INFO L85 PathProgramCache]: Analyzing trace with hash 1658987680, now seen corresponding path program 1 times [2023-11-29 06:33:19,336 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:33:19,336 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [187246804] [2023-11-29 06:33:19,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:33:19,336 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:33:19,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:33:19,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-29 06:33:19,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:33:19,473 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 06:33:19,473 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:33:19,474 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [187246804] [2023-11-29 06:33:19,474 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [187246804] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:33:19,474 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:33:19,474 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 06:33:19,474 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [311328390] [2023-11-29 06:33:19,474 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:33:19,475 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 06:33:19,475 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:33:19,476 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 06:33:19,476 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 06:33:19,476 INFO L87 Difference]: Start difference. First operand 79 states and 108 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 06:33:19,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:33:19,578 INFO L93 Difference]: Finished difference Result 194 states and 266 transitions. [2023-11-29 06:33:19,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 06:33:19,579 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 06:33:19,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:33:19,580 INFO L225 Difference]: With dead ends: 194 [2023-11-29 06:33:19,580 INFO L226 Difference]: Without dead ends: 117 [2023-11-29 06:33:19,581 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 06:33:19,583 INFO L413 NwaCegarLoop]: 100 mSDtfsCounter, 131 mSDsluCounter, 128 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 135 SdHoareTripleChecker+Valid, 228 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 06:33:19,584 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [135 Valid, 228 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 06:33:19,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2023-11-29 06:33:19,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 114. [2023-11-29 06:33:19,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 114 states, 78 states have (on average 1.4487179487179487) internal successors, (113), 91 states have internal predecessors, (113), 21 states have call successors, (21), 14 states have call predecessors, (21), 14 states have return successors, (22), 15 states have call predecessors, (22), 21 states have call successors, (22) [2023-11-29 06:33:19,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 156 transitions. [2023-11-29 06:33:19,604 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 156 transitions. Word has length 21 [2023-11-29 06:33:19,604 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:33:19,605 INFO L495 AbstractCegarLoop]: Abstraction has 114 states and 156 transitions. [2023-11-29 06:33:19,605 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 06:33:19,605 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 156 transitions. [2023-11-29 06:33:19,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-29 06:33:19,607 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:33:19,607 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:33:19,607 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-29 06:33:19,607 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:33:19,608 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:33:19,608 INFO L85 PathProgramCache]: Analyzing trace with hash 1945111841, now seen corresponding path program 1 times [2023-11-29 06:33:19,608 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:33:19,608 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [11997251] [2023-11-29 06:33:19,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:33:19,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:33:19,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:33:19,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-11-29 06:33:19,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:33:19,709 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 06:33:19,710 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:33:19,710 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [11997251] [2023-11-29 06:33:19,710 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [11997251] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:33:19,710 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:33:19,710 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 06:33:19,711 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1719417413] [2023-11-29 06:33:19,711 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:33:19,711 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 06:33:19,711 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:33:19,712 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 06:33:19,712 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 06:33:19,712 INFO L87 Difference]: Start difference. First operand 114 states and 156 transitions. Second operand has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 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 06:33:19,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:33:19,803 INFO L93 Difference]: Finished difference Result 269 states and 375 transitions. [2023-11-29 06:33:19,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 06:33:19,804 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 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 24 [2023-11-29 06:33:19,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:33:19,806 INFO L225 Difference]: With dead ends: 269 [2023-11-29 06:33:19,806 INFO L226 Difference]: Without dead ends: 157 [2023-11-29 06:33:19,808 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 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 06:33:19,809 INFO L413 NwaCegarLoop]: 91 mSDtfsCounter, 61 mSDsluCounter, 155 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 246 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 06:33:19,810 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 246 Invalid, 69 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 06:33:19,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2023-11-29 06:33:19,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 153. [2023-11-29 06:33:19,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 153 states, 106 states have (on average 1.349056603773585) internal successors, (143), 118 states have internal predecessors, (143), 25 states have call successors, (25), 21 states have call predecessors, (25), 21 states have return successors, (33), 23 states have call predecessors, (33), 25 states have call successors, (33) [2023-11-29 06:33:19,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 201 transitions. [2023-11-29 06:33:19,832 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 201 transitions. Word has length 24 [2023-11-29 06:33:19,832 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:33:19,832 INFO L495 AbstractCegarLoop]: Abstraction has 153 states and 201 transitions. [2023-11-29 06:33:19,832 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 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 06:33:19,832 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 201 transitions. [2023-11-29 06:33:19,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-29 06:33:19,834 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:33:19,835 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:33:19,835 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-29 06:33:19,835 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:33:19,835 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:33:19,836 INFO L85 PathProgramCache]: Analyzing trace with hash -214821439, now seen corresponding path program 1 times [2023-11-29 06:33:19,836 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:33:19,836 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1380957743] [2023-11-29 06:33:19,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:33:19,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:33:19,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:33:19,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-11-29 06:33:19,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:33:19,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 06:33:19,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:33:19,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-29 06:33:19,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:33:19,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:33:19,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:33:19,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-29 06:33:19,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:33:19,917 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 06:33:19,917 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:33:19,917 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1380957743] [2023-11-29 06:33:19,918 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1380957743] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:33:19,918 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:33:19,918 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 06:33:19,918 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [674070301] [2023-11-29 06:33:19,918 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:33:19,919 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 06:33:19,919 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:33:19,919 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 06:33:19,920 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 06:33:19,920 INFO L87 Difference]: Start difference. First operand 153 states and 201 transitions. Second operand has 4 states, 4 states have (on average 9.75) internal successors, (39), 3 states have internal predecessors, (39), 3 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-11-29 06:33:20,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:33:20,097 INFO L93 Difference]: Finished difference Result 331 states and 432 transitions. [2023-11-29 06:33:20,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 06:33:20,097 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 3 states have internal predecessors, (39), 3 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 51 [2023-11-29 06:33:20,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:33:20,100 INFO L225 Difference]: With dead ends: 331 [2023-11-29 06:33:20,100 INFO L226 Difference]: Without dead ends: 180 [2023-11-29 06:33:20,101 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 12 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 06:33:20,102 INFO L413 NwaCegarLoop]: 88 mSDtfsCounter, 93 mSDsluCounter, 106 mSDsCounter, 0 mSdLazyCounter, 124 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 102 SdHoareTripleChecker+Valid, 194 SdHoareTripleChecker+Invalid, 147 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 124 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 06:33:20,103 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [102 Valid, 194 Invalid, 147 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 124 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 06:33:20,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 180 states. [2023-11-29 06:33:20,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 180 to 176. [2023-11-29 06:33:20,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 176 states, 122 states have (on average 1.3278688524590163) internal successors, (162), 134 states have internal predecessors, (162), 27 states have call successors, (27), 21 states have call predecessors, (27), 26 states have return successors, (38), 29 states have call predecessors, (38), 27 states have call successors, (38) [2023-11-29 06:33:20,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 176 states and 227 transitions. [2023-11-29 06:33:20,127 INFO L78 Accepts]: Start accepts. Automaton has 176 states and 227 transitions. Word has length 51 [2023-11-29 06:33:20,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:33:20,127 INFO L495 AbstractCegarLoop]: Abstraction has 176 states and 227 transitions. [2023-11-29 06:33:20,127 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 3 states have internal predecessors, (39), 3 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-11-29 06:33:20,128 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 227 transitions. [2023-11-29 06:33:20,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-29 06:33:20,129 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:33:20,130 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:33:20,130 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-29 06:33:20,130 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:33:20,130 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:33:20,130 INFO L85 PathProgramCache]: Analyzing trace with hash 2086422242, now seen corresponding path program 1 times [2023-11-29 06:33:20,131 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:33:20,131 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [147005133] [2023-11-29 06:33:20,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:33:20,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:33:20,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:33:20,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-29 06:33:20,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:33:20,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 06:33:20,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:33:20,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-29 06:33:20,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:33:20,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:33:20,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:33:20,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-11-29 06:33:20,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:33:20,408 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 06:33:20,409 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:33:20,409 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [147005133] [2023-11-29 06:33:20,409 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [147005133] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:33:20,409 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:33:20,409 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-11-29 06:33:20,410 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [878204924] [2023-11-29 06:33:20,410 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:33:20,410 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-29 06:33:20,410 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:33:20,411 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-29 06:33:20,411 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2023-11-29 06:33:20,412 INFO L87 Difference]: Start difference. First operand 176 states and 227 transitions. Second operand has 11 states, 9 states have (on average 4.0) internal successors, (36), 7 states have internal predecessors, (36), 2 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (5), 4 states have call predecessors, (5), 2 states have call successors, (5) [2023-11-29 06:33:20,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:33:20,991 INFO L93 Difference]: Finished difference Result 505 states and 669 transitions. [2023-11-29 06:33:20,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-11-29 06:33:20,991 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 9 states have (on average 4.0) internal successors, (36), 7 states have internal predecessors, (36), 2 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (5), 4 states have call predecessors, (5), 2 states have call successors, (5) Word has length 48 [2023-11-29 06:33:20,992 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:33:20,995 INFO L225 Difference]: With dead ends: 505 [2023-11-29 06:33:20,995 INFO L226 Difference]: Without dead ends: 331 [2023-11-29 06:33:20,997 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 102 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=121, Invalid=479, Unknown=0, NotChecked=0, Total=600 [2023-11-29 06:33:20,998 INFO L413 NwaCegarLoop]: 80 mSDtfsCounter, 178 mSDsluCounter, 537 mSDsCounter, 0 mSdLazyCounter, 525 mSolverCounterSat, 60 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 187 SdHoareTripleChecker+Valid, 617 SdHoareTripleChecker+Invalid, 585 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 525 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-29 06:33:20,998 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [187 Valid, 617 Invalid, 585 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 525 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-29 06:33:20,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 331 states. [2023-11-29 06:33:21,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 331 to 327. [2023-11-29 06:33:21,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 327 states, 224 states have (on average 1.2901785714285714) internal successors, (289), 246 states have internal predecessors, (289), 53 states have call successors, (53), 42 states have call predecessors, (53), 49 states have return successors, (78), 55 states have call predecessors, (78), 53 states have call successors, (78) [2023-11-29 06:33:21,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 327 states and 420 transitions. [2023-11-29 06:33:21,038 INFO L78 Accepts]: Start accepts. Automaton has 327 states and 420 transitions. Word has length 48 [2023-11-29 06:33:21,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:33:21,038 INFO L495 AbstractCegarLoop]: Abstraction has 327 states and 420 transitions. [2023-11-29 06:33:21,039 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 9 states have (on average 4.0) internal successors, (36), 7 states have internal predecessors, (36), 2 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (5), 4 states have call predecessors, (5), 2 states have call successors, (5) [2023-11-29 06:33:21,039 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 420 transitions. [2023-11-29 06:33:21,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2023-11-29 06:33:21,044 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:33:21,045 INFO L195 NwaCegarLoop]: trace histogram [4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 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 06:33:21,045 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-29 06:33:21,045 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:33:21,045 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:33:21,046 INFO L85 PathProgramCache]: Analyzing trace with hash -700241114, now seen corresponding path program 1 times [2023-11-29 06:33:21,046 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:33:21,046 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [485727708] [2023-11-29 06:33:21,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:33:21,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:33:21,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:33:21,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-29 06:33:21,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:33:21,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-29 06:33:21,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:33:21,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 06:33:21,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:33:21,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-29 06:33:21,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:33:21,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:33:21,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:33:21,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-11-29 06:33:21,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:33:21,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2023-11-29 06:33:21,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:33:21,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2023-11-29 06:33:21,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:33:21,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:33:21,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:33:21,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-11-29 06:33:21,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:33:21,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 06:33:21,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:33:21,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 06:33:21,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:33:21,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-11-29 06:33:21,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:33:21,364 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-29 06:33:21,364 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:33:21,364 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [485727708] [2023-11-29 06:33:21,364 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [485727708] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 06:33:21,365 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [810088569] [2023-11-29 06:33:21,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:33:21,365 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:33:21,365 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80f2224a-358d-4477-a597-73eb0551ebc7/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:33:21,366 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80f2224a-358d-4477-a597-73eb0551ebc7/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 06:33:21,380 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80f2224a-358d-4477-a597-73eb0551ebc7/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-29 06:33:21,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:33:21,486 INFO L262 TraceCheckSpWp]: Trace formula consists of 356 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-29 06:33:21,495 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:33:21,658 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-29 06:33:21,658 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 06:33:21,659 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [810088569] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:33:21,659 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 06:33:21,659 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [13] total 18 [2023-11-29 06:33:21,659 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [880703517] [2023-11-29 06:33:21,659 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:33:21,660 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 06:33:21,660 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:33:21,661 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 06:33:21,661 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=261, Unknown=0, NotChecked=0, Total=306 [2023-11-29 06:33:21,661 INFO L87 Difference]: Start difference. First operand 327 states and 420 transitions. Second operand has 8 states, 6 states have (on average 11.166666666666666) internal successors, (67), 6 states have internal predecessors, (67), 3 states have call successors, (14), 3 states have call predecessors, (14), 5 states have return successors, (13), 5 states have call predecessors, (13), 3 states have call successors, (13) [2023-11-29 06:33:21,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:33:21,915 INFO L93 Difference]: Finished difference Result 742 states and 952 transitions. [2023-11-29 06:33:21,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-29 06:33:21,916 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 11.166666666666666) internal successors, (67), 6 states have internal predecessors, (67), 3 states have call successors, (14), 3 states have call predecessors, (14), 5 states have return successors, (13), 5 states have call predecessors, (13), 3 states have call successors, (13) Word has length 99 [2023-11-29 06:33:21,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:33:21,917 INFO L225 Difference]: With dead ends: 742 [2023-11-29 06:33:21,917 INFO L226 Difference]: Without dead ends: 0 [2023-11-29 06:33:21,920 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=57, Invalid=323, Unknown=0, NotChecked=0, Total=380 [2023-11-29 06:33:21,921 INFO L413 NwaCegarLoop]: 154 mSDtfsCounter, 65 mSDsluCounter, 775 mSDsCounter, 0 mSdLazyCounter, 255 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 929 SdHoareTripleChecker+Invalid, 258 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 255 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-29 06:33:21,922 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [68 Valid, 929 Invalid, 258 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 255 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-29 06:33:21,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-29 06:33:21,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-29 06:33:21,923 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 06:33:21,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-29 06:33:21,923 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 99 [2023-11-29 06:33:21,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:33:21,923 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-29 06:33:21,924 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 11.166666666666666) internal successors, (67), 6 states have internal predecessors, (67), 3 states have call successors, (14), 3 states have call predecessors, (14), 5 states have return successors, (13), 5 states have call predecessors, (13), 3 states have call successors, (13) [2023-11-29 06:33:21,924 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-29 06:33:21,924 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-29 06:33:21,927 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-29 06:33:21,940 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80f2224a-358d-4477-a597-73eb0551ebc7/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-29 06:33:22,132 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80f2224a-358d-4477-a597-73eb0551ebc7/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2023-11-29 06:33:22,134 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-29 06:33:23,377 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 238 245) no Hoare annotation was computed. [2023-11-29 06:33:23,377 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 238 245) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (= 0 ~systemActive~0))) (and (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1) (or .cse0 .cse1 (< ~methaneLevelCritical~0 1)))) [2023-11-29 06:33:23,378 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 128 134) no Hoare annotation was computed. [2023-11-29 06:33:23,378 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 128 134) the Hoare annotation is: true [2023-11-29 06:33:23,378 INFO L895 garLoopResultBuilder]: At program point L176(line 176) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse2 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse2 (< ~methaneLevelCritical~0 1)) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1 .cse2))) [2023-11-29 06:33:23,378 INFO L895 garLoopResultBuilder]: At program point L172(line 172) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse2 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse2 (< ~methaneLevelCritical~0 1)) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1 .cse2))) [2023-11-29 06:33:23,378 INFO L899 garLoopResultBuilder]: For program point L170(lines 170 178) no Hoare annotation was computed. [2023-11-29 06:33:23,378 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 162 186) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0))) (and (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) .cse0 (< ~methaneLevelCritical~0 1)) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= ~methaneLevelCritical~0 0)) .cse0))) [2023-11-29 06:33:23,379 INFO L899 garLoopResultBuilder]: For program point L166(lines 166 183) no Hoare annotation was computed. [2023-11-29 06:33:23,379 INFO L895 garLoopResultBuilder]: At program point L181(line 181) the Hoare annotation is: (let ((.cse2 (= 0 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse0 (= |old(~pumpRunning~0)| 0))) (and (or (not .cse0) .cse1 .cse2 (< ~methaneLevelCritical~0 1)) (or (not (= ~methaneLevelCritical~0 0)) .cse2 (and .cse1 .cse0)))) [2023-11-29 06:33:23,379 INFO L899 garLoopResultBuilder]: For program point L181-1(lines 162 186) no Hoare annotation was computed. [2023-11-29 06:33:23,379 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 162 186) no Hoare annotation was computed. [2023-11-29 06:33:23,379 INFO L899 garLoopResultBuilder]: For program point L330(lines 330 334) no Hoare annotation was computed. [2023-11-29 06:33:23,379 INFO L899 garLoopResultBuilder]: For program point L330-2(lines 330 334) no Hoare annotation was computed. [2023-11-29 06:33:23,379 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 511 522) the Hoare annotation is: (let ((.cse0 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse1 (= ~methaneLevelCritical~0 0)) (.cse2 (not (= ~pumpRunning~0 0)))) (and (or .cse0 .cse1 (= 0 ~systemActive~0)) (or .cse0 .cse2 .cse1) (or (<= 1 ~methaneLevelCritical~0) .cse2 (< |old(~methaneLevelCritical~0)| 1)))) [2023-11-29 06:33:23,380 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 511 522) no Hoare annotation was computed. [2023-11-29 06:33:23,380 INFO L899 garLoopResultBuilder]: For program point L515-1(lines 511 522) no Hoare annotation was computed. [2023-11-29 06:33:23,380 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 589 618) no Hoare annotation was computed. [2023-11-29 06:33:23,380 INFO L899 garLoopResultBuilder]: For program point L603(lines 603 607) no Hoare annotation was computed. [2023-11-29 06:33:23,380 INFO L902 garLoopResultBuilder]: At program point L603-1(lines 603 607) the Hoare annotation is: true [2023-11-29 06:33:23,380 INFO L902 garLoopResultBuilder]: At program point L599-2(lines 599 613) the Hoare annotation is: true [2023-11-29 06:33:23,380 INFO L902 garLoopResultBuilder]: At program point L595(line 595) the Hoare annotation is: true [2023-11-29 06:33:23,380 INFO L899 garLoopResultBuilder]: For program point L595-1(line 595) no Hoare annotation was computed. [2023-11-29 06:33:23,380 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 589 618) the Hoare annotation is: true [2023-11-29 06:33:23,381 INFO L899 garLoopResultBuilder]: For program point L614(lines 589 618) no Hoare annotation was computed. [2023-11-29 06:33:23,381 INFO L899 garLoopResultBuilder]: For program point L610(line 610) no Hoare annotation was computed. [2023-11-29 06:33:23,381 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 523 531) the Hoare annotation is: true [2023-11-29 06:33:23,381 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 523 531) no Hoare annotation was computed. [2023-11-29 06:33:23,381 INFO L899 garLoopResultBuilder]: For program point L192(lines 192 209) no Hoare annotation was computed. [2023-11-29 06:33:23,381 INFO L899 garLoopResultBuilder]: For program point L440(line 440) no Hoare annotation was computed. [2023-11-29 06:33:23,381 INFO L899 garLoopResultBuilder]: For program point L115-1(lines 115 121) no Hoare annotation was computed. [2023-11-29 06:33:23,381 INFO L899 garLoopResultBuilder]: For program point L466(lines 466 476) no Hoare annotation was computed. [2023-11-29 06:33:23,381 INFO L899 garLoopResultBuilder]: For program point L462(lines 462 479) no Hoare annotation was computed. [2023-11-29 06:33:23,381 INFO L899 garLoopResultBuilder]: For program point L462-1(lines 454 482) no Hoare annotation was computed. [2023-11-29 06:33:23,382 INFO L899 garLoopResultBuilder]: For program point L491(lines 491 495) no Hoare annotation was computed. [2023-11-29 06:33:23,382 INFO L895 garLoopResultBuilder]: At program point L202(line 202) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse3 (< ~methaneLevelCritical~0 1)) (.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse2 (= 0 ~systemActive~0))) (and (or .cse0 .cse1) (or .cse2 .cse3) (or .cse0 .cse3) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1 .cse2))) [2023-11-29 06:33:23,382 INFO L899 garLoopResultBuilder]: For program point L491-2(lines 487 498) no Hoare annotation was computed. [2023-11-29 06:33:23,382 INFO L895 garLoopResultBuilder]: At program point L198(line 198) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse4 (< ~methaneLevelCritical~0 1)) (.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse3 (= 0 ~systemActive~0))) (and (or .cse0 .cse1) (or (and .cse2 (<= 1 |timeShift_processEnvironment_~tmp~2#1|)) .cse3 .cse4) (or .cse0 .cse4) (or .cse2 .cse1 .cse3))) [2023-11-29 06:33:23,382 INFO L895 garLoopResultBuilder]: At program point L194(line 194) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse3 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse4 (= 0 ~systemActive~0)) (.cse2 (< ~methaneLevelCritical~0 1))) (and (or .cse0 .cse1) (or .cse0 .cse2) (or .cse3 .cse1 .cse4) (or .cse3 .cse4 .cse2))) [2023-11-29 06:33:23,383 INFO L899 garLoopResultBuilder]: For program point L194-1(line 194) no Hoare annotation was computed. [2023-11-29 06:33:23,383 INFO L899 garLoopResultBuilder]: For program point L467(lines 467 473) no Hoare annotation was computed. [2023-11-29 06:33:23,383 INFO L895 garLoopResultBuilder]: At program point L207(line 207) the Hoare annotation is: (let ((.cse3 (= 0 ~systemActive~0)) (.cse6 (= |old(~pumpRunning~0)| 0))) (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse4 (and (= ~pumpRunning~0 0) .cse6)) (.cse0 (not .cse6)) (.cse5 (< ~methaneLevelCritical~0 1)) (.cse2 (not .cse3))) (and (or .cse0 .cse1 .cse2) (or .cse1 .cse3 .cse4) (or .cse3 .cse5 .cse4) (or .cse0 .cse5 .cse2)))) [2023-11-29 06:33:23,383 INFO L899 garLoopResultBuilder]: For program point L207-1(lines 188 212) no Hoare annotation was computed. [2023-11-29 06:33:23,383 INFO L899 garLoopResultBuilder]: For program point L108-1(lines 107 126) no Hoare annotation was computed. [2023-11-29 06:33:23,383 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 104 127) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse4 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse5 (= 0 ~systemActive~0)) (.cse3 (< ~methaneLevelCritical~0 1))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse1 .cse3) (or .cse4 .cse2 .cse5) (or .cse4 .cse5 .cse3))) [2023-11-29 06:33:23,383 INFO L895 garLoopResultBuilder]: At program point L460(line 460) the Hoare annotation is: (let ((.cse2 (= 0 ~systemActive~0)) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= ~pumpRunning~0 0)) (.cse3 (< ~methaneLevelCritical~0 1))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0)) (not .cse2)) (or .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse3))) [2023-11-29 06:33:23,384 INFO L899 garLoopResultBuilder]: For program point L460-1(line 460) no Hoare annotation was computed. [2023-11-29 06:33:23,384 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 104 127) no Hoare annotation was computed. [2023-11-29 06:33:23,384 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 440) no Hoare annotation was computed. [2023-11-29 06:33:23,384 INFO L899 garLoopResultBuilder]: For program point L196(lines 196 204) no Hoare annotation was computed. [2023-11-29 06:33:23,384 INFO L899 garLoopResultBuilder]: For program point L671(lines 671 678) no Hoare annotation was computed. [2023-11-29 06:33:23,384 INFO L899 garLoopResultBuilder]: For program point L415(lines 415 421) no Hoare annotation was computed. [2023-11-29 06:33:23,384 INFO L895 garLoopResultBuilder]: At program point L415-2(lines 407 422) the Hoare annotation is: (let ((.cse0 (<= 1 ~methaneLevelCritical~0)) (.cse3 (not (= 0 ~systemActive~0))) (.cse4 (= ~pumpRunning~0 0)) (.cse5 (= ~methaneLevelCritical~0 0)) (.cse1 (= |ULTIMATE.start_main_~tmp~8#1| 1)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse0 .cse1 .cse2) (and .cse5 .cse1 .cse2 .cse3) (and .cse4 .cse5 .cse1 .cse2))) [2023-11-29 06:33:23,384 INFO L899 garLoopResultBuilder]: For program point L671-2(lines 671 678) no Hoare annotation was computed. [2023-11-29 06:33:23,384 INFO L899 garLoopResultBuilder]: For program point L378(lines 377 426) no Hoare annotation was computed. [2023-11-29 06:33:23,385 INFO L899 garLoopResultBuilder]: For program point L407(lines 407 422) no Hoare annotation was computed. [2023-11-29 06:33:23,385 INFO L895 garLoopResultBuilder]: At program point L399(line 399) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse3 (= ~methaneLevelCritical~0 0)) (.cse1 (= |ULTIMATE.start_main_~tmp~8#1| 1)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 (<= 1 ~methaneLevelCritical~0) .cse1 .cse2) (and .cse3 .cse1 .cse2 (not (= 0 ~systemActive~0))) (and .cse0 .cse3 .cse1 .cse2))) [2023-11-29 06:33:23,385 INFO L895 garLoopResultBuilder]: At program point L424(lines 377 426) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse3 (= ~methaneLevelCritical~0 0)) (.cse1 (= |ULTIMATE.start_main_~tmp~8#1| 1)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 (<= 1 ~methaneLevelCritical~0) .cse1 .cse2) (and .cse3 .cse1 .cse2 (not (= 0 ~systemActive~0))) (and .cse0 .cse3 .cse1 .cse2))) [2023-11-29 06:33:23,385 INFO L899 garLoopResultBuilder]: For program point L387(lines 387 393) no Hoare annotation was computed. [2023-11-29 06:33:23,385 INFO L899 garLoopResultBuilder]: For program point L387-1(lines 387 393) no Hoare annotation was computed. [2023-11-29 06:33:23,385 INFO L895 garLoopResultBuilder]: At program point L346(line 346) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_main_~tmp~8#1| 1)) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse2 (not (= 0 ~systemActive~0)))) (or (and (<= 1 ~methaneLevelCritical~0) .cse0 .cse1 .cse2) (and (= ~methaneLevelCritical~0 0) .cse0 .cse1 .cse2))) [2023-11-29 06:33:23,385 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-29 06:33:23,386 INFO L899 garLoopResultBuilder]: For program point L430(lines 367 434) no Hoare annotation was computed. [2023-11-29 06:33:23,386 INFO L899 garLoopResultBuilder]: For program point L397(lines 397 403) no Hoare annotation was computed. [2023-11-29 06:33:23,386 INFO L899 garLoopResultBuilder]: For program point L397-1(lines 397 403) no Hoare annotation was computed. [2023-11-29 06:33:23,386 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-29 06:33:23,386 INFO L895 garLoopResultBuilder]: At program point L389(line 389) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse3 (= ~methaneLevelCritical~0 0)) (.cse1 (= |ULTIMATE.start_main_~tmp~8#1| 1)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 (<= 1 ~methaneLevelCritical~0) .cse1 .cse2) (and .cse3 .cse1 .cse2 (not (= 0 ~systemActive~0))) (and .cse0 .cse3 .cse1 .cse2))) [2023-11-29 06:33:23,386 INFO L899 garLoopResultBuilder]: For program point L344(lines 344 350) no Hoare annotation was computed. [2023-11-29 06:33:23,386 INFO L899 garLoopResultBuilder]: For program point L344-1(lines 344 350) no Hoare annotation was computed. [2023-11-29 06:33:23,386 INFO L895 garLoopResultBuilder]: At program point L427(lines 376 428) the Hoare annotation is: false [2023-11-29 06:33:23,386 INFO L895 garLoopResultBuilder]: At program point L155(line 155) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse2 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse2 (< ~methaneLevelCritical~0 1)) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1 .cse2))) [2023-11-29 06:33:23,387 INFO L899 garLoopResultBuilder]: For program point L155-1(lines 136 160) no Hoare annotation was computed. [2023-11-29 06:33:23,387 INFO L899 garLoopResultBuilder]: For program point L568(lines 568 574) no Hoare annotation was computed. [2023-11-29 06:33:23,387 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 136 160) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0))) (and (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) .cse0 (< ~methaneLevelCritical~0 1)) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= ~methaneLevelCritical~0 0)) .cse0))) [2023-11-29 06:33:23,387 INFO L899 garLoopResultBuilder]: For program point L228(lines 228 234) no Hoare annotation was computed. [2023-11-29 06:33:23,387 INFO L899 garLoopResultBuilder]: For program point isHighWaterSensorDry_returnLabel#1(lines 564 577) no Hoare annotation was computed. [2023-11-29 06:33:23,387 INFO L895 garLoopResultBuilder]: At program point L226(line 226) the Hoare annotation is: (let ((.cse2 (= 0 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse0 (= |old(~pumpRunning~0)| 0))) (and (or (not .cse0) .cse1 .cse2 (< ~methaneLevelCritical~0 1)) (or (not (= ~methaneLevelCritical~0 0)) .cse2 (and .cse1 .cse0)))) [2023-11-29 06:33:23,387 INFO L899 garLoopResultBuilder]: For program point L228-2(lines 221 237) no Hoare annotation was computed. [2023-11-29 06:33:23,387 INFO L899 garLoopResultBuilder]: For program point L226-1(line 226) no Hoare annotation was computed. [2023-11-29 06:33:23,387 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 136 160) no Hoare annotation was computed. [2023-11-29 06:33:23,388 INFO L899 garLoopResultBuilder]: For program point L311(lines 311 315) no Hoare annotation was computed. [2023-11-29 06:33:23,388 INFO L895 garLoopResultBuilder]: At program point L150(line 150) the Hoare annotation is: (let ((.cse2 (= 0 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse0 (= |old(~pumpRunning~0)| 0))) (and (or (not .cse0) .cse1 .cse2 (< ~methaneLevelCritical~0 1)) (or (not (= ~methaneLevelCritical~0 0)) .cse2 (and .cse1 .cse0)))) [2023-11-29 06:33:23,388 INFO L899 garLoopResultBuilder]: For program point L311-2(lines 311 315) no Hoare annotation was computed. [2023-11-29 06:33:23,388 INFO L899 garLoopResultBuilder]: For program point L144(lines 144 152) no Hoare annotation was computed. [2023-11-29 06:33:23,388 INFO L899 garLoopResultBuilder]: For program point L140(lines 140 157) no Hoare annotation was computed. [2023-11-29 06:33:23,388 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 499 510) no Hoare annotation was computed. [2023-11-29 06:33:23,388 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 499 510) the Hoare annotation is: true [2023-11-29 06:33:23,388 INFO L899 garLoopResultBuilder]: For program point L503-1(lines 499 510) no Hoare annotation was computed. [2023-11-29 06:33:23,388 INFO L902 garLoopResultBuilder]: At program point L251(line 251) the Hoare annotation is: true [2023-11-29 06:33:23,389 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmEXIT(lines 246 256) no Hoare annotation was computed. [2023-11-29 06:33:23,389 INFO L899 garLoopResultBuilder]: For program point L251-1(line 251) no Hoare annotation was computed. [2023-11-29 06:33:23,389 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 246 256) the Hoare annotation is: true [2023-11-29 06:33:23,391 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:33:23,393 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-29 06:33:23,402 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 06:33:23 BoogieIcfgContainer [2023-11-29 06:33:23,402 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-29 06:33:23,403 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-29 06:33:23,403 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-29 06:33:23,403 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-29 06:33:23,404 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:33:18" (3/4) ... [2023-11-29 06:33:23,405 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-29 06:33:23,408 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2023-11-29 06:33:23,408 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2023-11-29 06:33:23,408 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2023-11-29 06:33:23,408 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2023-11-29 06:33:23,408 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2023-11-29 06:33:23,408 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2023-11-29 06:33:23,409 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2023-11-29 06:33:23,409 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2023-11-29 06:33:23,409 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2023-11-29 06:33:23,409 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2023-11-29 06:33:23,417 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 35 nodes and edges [2023-11-29 06:33:23,418 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2023-11-29 06:33:23,418 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-11-29 06:33:23,419 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-29 06:33:23,420 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-29 06:33:23,517 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80f2224a-358d-4477-a597-73eb0551ebc7/bin/uautomizer-verify-BQ2R08f2Ya/witness.graphml [2023-11-29 06:33:23,518 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80f2224a-358d-4477-a597-73eb0551ebc7/bin/uautomizer-verify-BQ2R08f2Ya/witness.yml [2023-11-29 06:33:23,518 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-29 06:33:23,519 INFO L158 Benchmark]: Toolchain (without parser) took 5974.78ms. Allocated memory was 127.9MB in the beginning and 211.8MB in the end (delta: 83.9MB). Free memory was 76.4MB in the beginning and 122.6MB in the end (delta: -46.3MB). Peak memory consumption was 40.7MB. Max. memory is 16.1GB. [2023-11-29 06:33:23,519 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 127.9MB. Free memory was 91.5MB in the beginning and 91.5MB in the end (delta: 29.1kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 06:33:23,519 INFO L158 Benchmark]: CACSL2BoogieTranslator took 446.16ms. Allocated memory is still 127.9MB. Free memory was 76.0MB in the beginning and 56.0MB in the end (delta: 20.0MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-29 06:33:23,520 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.96ms. Allocated memory is still 127.9MB. Free memory was 56.0MB in the beginning and 53.5MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 06:33:23,520 INFO L158 Benchmark]: Boogie Preprocessor took 53.15ms. Allocated memory is still 127.9MB. Free memory was 53.5MB in the beginning and 51.2MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 06:33:23,520 INFO L158 Benchmark]: RCFGBuilder took 545.67ms. Allocated memory was 127.9MB in the beginning and 176.2MB in the end (delta: 48.2MB). Free memory was 51.2MB in the beginning and 124.5MB in the end (delta: -73.2MB). Peak memory consumption was 11.9MB. Max. memory is 16.1GB. [2023-11-29 06:33:23,520 INFO L158 Benchmark]: TraceAbstraction took 4750.70ms. Allocated memory was 176.2MB in the beginning and 211.8MB in the end (delta: 35.7MB). Free memory was 123.6MB in the beginning and 131.1MB in the end (delta: -7.4MB). Peak memory consumption was 105.2MB. Max. memory is 16.1GB. [2023-11-29 06:33:23,521 INFO L158 Benchmark]: Witness Printer took 114.98ms. Allocated memory is still 211.8MB. Free memory was 131.1MB in the beginning and 122.6MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-29 06:33:23,523 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 127.9MB. Free memory was 91.5MB in the beginning and 91.5MB in the end (delta: 29.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 446.16ms. Allocated memory is still 127.9MB. Free memory was 76.0MB in the beginning and 56.0MB in the end (delta: 20.0MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.96ms. Allocated memory is still 127.9MB. Free memory was 56.0MB in the beginning and 53.5MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 53.15ms. Allocated memory is still 127.9MB. Free memory was 53.5MB in the beginning and 51.2MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 545.67ms. Allocated memory was 127.9MB in the beginning and 176.2MB in the end (delta: 48.2MB). Free memory was 51.2MB in the beginning and 124.5MB in the end (delta: -73.2MB). Peak memory consumption was 11.9MB. Max. memory is 16.1GB. * TraceAbstraction took 4750.70ms. Allocated memory was 176.2MB in the beginning and 211.8MB in the end (delta: 35.7MB). Free memory was 123.6MB in the beginning and 131.1MB in the end (delta: -7.4MB). Peak memory consumption was 105.2MB. Max. memory is 16.1GB. * Witness Printer took 114.98ms. Allocated memory is still 211.8MB. Free memory was 131.1MB in the beginning and 122.6MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 49]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [49] - GenericResultAtLocation [Line: 87]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [87] - GenericResultAtLocation [Line: 363]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [363] - GenericResultAtLocation [Line: 435]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [435] - GenericResultAtLocation [Line: 444]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification2_spec.i","") [444] - GenericResultAtLocation [Line: 483]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [483] - GenericResultAtLocation [Line: 587]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [587] - GenericResultAtLocation [Line: 684]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [684] * 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: 440]: 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 11 procedures, 92 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 4.7s, OverallIterations: 7, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 571 SdHoareTripleChecker+Valid, 0.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 542 mSDsluCounter, 2494 SdHoareTripleChecker+Invalid, 0.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1779 mSDsCounter, 106 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1042 IncrementalHoareTripleChecker+Invalid, 1148 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 106 mSolverCounterUnsat, 715 mSDtfsCounter, 1042 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 209 GetRequests, 158 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 132 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=327occurred in iteration=6, InterpolantAutomatonStates: 47, 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, 7 MinimizatonAttempts, 15 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 31 LocationsWithAnnotation, 543 PreInvPairs, 608 NumberOfFragments, 777 HoareAnnotationTreeSize, 543 FomulaSimplifications, 811 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 31 FomulaSimplificationsInter, 1959 FormulaSimplificationTreeSizeReductionInter, 1.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 377 NumberOfCodeBlocks, 377 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 369 ConstructedInterpolants, 0 QuantifiedInterpolants, 600 SizeOfPredicates, 3 NumberOfNonLiveVariables, 356 ConjunctsInSsa, 9 ConjunctsInUnsatCore, 8 InterpolantComputations, 7 PerfectInterpolantSequences, 82/84 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: 376]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 377]: Loop Invariant Derived loop invariant: ((((((pumpRunning == 0) && (1 <= methaneLevelCritical)) && (tmp == 1)) && (splverifierCounter == 0)) || ((((methaneLevelCritical == 0) && (tmp == 1)) && (splverifierCounter == 0)) && !((0 == systemActive)))) || ((((pumpRunning == 0) && (methaneLevelCritical == 0)) && (tmp == 1)) && (splverifierCounter == 0))) - InvariantResult [Line: 599]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2023-11-29 06:33:23,537 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80f2224a-358d-4477-a597-73eb0551ebc7/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