./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product31.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_7de4d6fe-87fc-4ba7-819f-931b8f6028ff/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7de4d6fe-87fc-4ba7-819f-931b8f6028ff/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_7de4d6fe-87fc-4ba7-819f-931b8f6028ff/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7de4d6fe-87fc-4ba7-819f-931b8f6028ff/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product31.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7de4d6fe-87fc-4ba7-819f-931b8f6028ff/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_7de4d6fe-87fc-4ba7-819f-931b8f6028ff/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 929dace20230ddc06ca4ae48df9d26fbf35d81f20edb15688ea1cc72e971ff98 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 05:44:55,468 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 05:44:55,529 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7de4d6fe-87fc-4ba7-819f-931b8f6028ff/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-29 05:44:55,533 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 05:44:55,534 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 05:44:55,556 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 05:44:55,557 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 05:44:55,557 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 05:44:55,558 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 05:44:55,559 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 05:44:55,559 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 05:44:55,560 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 05:44:55,560 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 05:44:55,561 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 05:44:55,561 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 05:44:55,562 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 05:44:55,562 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 05:44:55,563 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 05:44:55,563 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 05:44:55,563 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 05:44:55,564 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 05:44:55,565 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 05:44:55,565 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 05:44:55,565 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 05:44:55,566 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 05:44:55,566 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 05:44:55,566 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 05:44:55,567 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 05:44:55,567 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 05:44:55,567 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 05:44:55,568 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 05:44:55,568 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 05:44:55,569 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 05:44:55,569 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 05:44:55,569 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 05:44:55,569 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 05:44:55,569 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-29 05:44:55,570 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 05:44:55,570 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 05:44:55,570 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 05:44:55,570 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 05:44:55,570 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 05:44:55,571 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_7de4d6fe-87fc-4ba7-819f-931b8f6028ff/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7de4d6fe-87fc-4ba7-819f-931b8f6028ff/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 929dace20230ddc06ca4ae48df9d26fbf35d81f20edb15688ea1cc72e971ff98 [2023-11-29 05:44:55,793 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 05:44:55,812 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 05:44:55,814 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 05:44:55,815 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 05:44:55,815 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 05:44:55,817 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7de4d6fe-87fc-4ba7-819f-931b8f6028ff/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/product-lines/minepump_spec5_product31.cil.c [2023-11-29 05:44:58,583 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 05:44:58,784 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 05:44:58,785 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7de4d6fe-87fc-4ba7-819f-931b8f6028ff/sv-benchmarks/c/product-lines/minepump_spec5_product31.cil.c [2023-11-29 05:44:58,799 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7de4d6fe-87fc-4ba7-819f-931b8f6028ff/bin/uautomizer-verify-BQ2R08f2Ya/data/2a45201f0/0a9bbcf209764116aab275af521d032e/FLAG482747054 [2023-11-29 05:44:58,813 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7de4d6fe-87fc-4ba7-819f-931b8f6028ff/bin/uautomizer-verify-BQ2R08f2Ya/data/2a45201f0/0a9bbcf209764116aab275af521d032e [2023-11-29 05:44:58,815 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 05:44:58,816 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 05:44:58,817 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 05:44:58,818 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 05:44:58,823 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 05:44:58,823 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 05:44:58" (1/1) ... [2023-11-29 05:44:58,824 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3da59c12 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:44:58, skipping insertion in model container [2023-11-29 05:44:58,825 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 05:44:58" (1/1) ... [2023-11-29 05:44:58,877 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 05:44:59,014 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_7de4d6fe-87fc-4ba7-819f-931b8f6028ff/sv-benchmarks/c/product-lines/minepump_spec5_product31.cil.c[1605,1618] [2023-11-29 05:44:59,124 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 05:44:59,135 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 05:44:59,145 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [49] [2023-11-29 05:44:59,147 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [58] [2023-11-29 05:44:59,147 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [130] [2023-11-29 05:44:59,147 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [353] [2023-11-29 05:44:59,148 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [443] [2023-11-29 05:44:59,148 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [544] [2023-11-29 05:44:59,148 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [910] [2023-11-29 05:44:59,148 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [959] [2023-11-29 05:44:59,152 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_7de4d6fe-87fc-4ba7-819f-931b8f6028ff/sv-benchmarks/c/product-lines/minepump_spec5_product31.cil.c[1605,1618] [2023-11-29 05:44:59,199 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 05:44:59,220 INFO L206 MainTranslator]: Completed translation [2023-11-29 05:44:59,220 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:44:59 WrapperNode [2023-11-29 05:44:59,220 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 05:44:59,221 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 05:44:59,222 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 05:44:59,222 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 05:44:59,229 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:44:59" (1/1) ... [2023-11-29 05:44:59,243 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:44:59" (1/1) ... [2023-11-29 05:44:59,268 INFO L138 Inliner]: procedures = 57, calls = 104, calls flagged for inlining = 23, calls inlined = 19, statements flattened = 200 [2023-11-29 05:44:59,268 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 05:44:59,269 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 05:44:59,269 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 05:44:59,269 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 05:44:59,281 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:44:59" (1/1) ... [2023-11-29 05:44:59,281 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:44:59" (1/1) ... [2023-11-29 05:44:59,283 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:44:59" (1/1) ... [2023-11-29 05:44:59,299 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 05:44:59,299 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:44:59" (1/1) ... [2023-11-29 05:44:59,299 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:44:59" (1/1) ... [2023-11-29 05:44:59,304 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:44:59" (1/1) ... [2023-11-29 05:44:59,308 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:44:59" (1/1) ... [2023-11-29 05:44:59,310 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:44:59" (1/1) ... [2023-11-29 05:44:59,312 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:44:59" (1/1) ... [2023-11-29 05:44:59,314 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 05:44:59,315 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 05:44:59,315 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 05:44:59,315 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 05:44:59,316 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:44:59" (1/1) ... [2023-11-29 05:44:59,322 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 05:44:59,333 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7de4d6fe-87fc-4ba7-819f-931b8f6028ff/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:44:59,346 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7de4d6fe-87fc-4ba7-819f-931b8f6028ff/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 05:44:59,353 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7de4d6fe-87fc-4ba7-819f-931b8f6028ff/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 05:44:59,379 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 05:44:59,379 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2023-11-29 05:44:59,379 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2023-11-29 05:44:59,380 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2023-11-29 05:44:59,380 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2023-11-29 05:44:59,380 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2023-11-29 05:44:59,380 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2023-11-29 05:44:59,380 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2023-11-29 05:44:59,380 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2023-11-29 05:44:59,381 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2023-11-29 05:44:59,381 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2023-11-29 05:44:59,381 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2023-11-29 05:44:59,382 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2023-11-29 05:44:59,382 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2023-11-29 05:44:59,382 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2023-11-29 05:44:59,382 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2023-11-29 05:44:59,382 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2023-11-29 05:44:59,382 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-29 05:44:59,383 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2023-11-29 05:44:59,383 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2023-11-29 05:44:59,383 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 05:44:59,383 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 05:44:59,456 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 05:44:59,458 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 05:44:59,690 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 05:44:59,755 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 05:44:59,755 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-29 05:44:59,755 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 05:44:59 BoogieIcfgContainer [2023-11-29 05:44:59,755 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 05:44:59,757 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 05:44:59,758 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 05:44:59,760 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 05:44:59,760 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 05:44:58" (1/3) ... [2023-11-29 05:44:59,761 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b99a06f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 05:44:59, skipping insertion in model container [2023-11-29 05:44:59,761 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:44:59" (2/3) ... [2023-11-29 05:44:59,761 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b99a06f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 05:44:59, skipping insertion in model container [2023-11-29 05:44:59,761 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 05:44:59" (3/3) ... [2023-11-29 05:44:59,762 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product31.cil.c [2023-11-29 05:44:59,777 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 05:44:59,777 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-29 05:44:59,836 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 05:44:59,843 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;@6df8e486, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 05:44:59,843 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-29 05:44:59,847 INFO L276 IsEmpty]: Start isEmpty. Operand has 78 states, 51 states have (on average 1.5098039215686274) internal successors, (77), 60 states have internal predecessors, (77), 16 states have call successors, (16), 9 states have call predecessors, (16), 9 states have return successors, (16), 12 states have call predecessors, (16), 16 states have call successors, (16) [2023-11-29 05:44:59,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-29 05:44:59,857 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:44:59,857 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:44:59,857 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:44:59,861 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:44:59,862 INFO L85 PathProgramCache]: Analyzing trace with hash 755302927, now seen corresponding path program 1 times [2023-11-29 05:44:59,871 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:44:59,871 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1790902781] [2023-11-29 05:44:59,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:44:59,872 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:44:59,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:45:00,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-29 05:45:00,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:45:00,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-29 05:45:00,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:45:00,044 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 05:45:00,044 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:45:00,045 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1790902781] [2023-11-29 05:45:00,045 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1790902781] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:45:00,045 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:45:00,046 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 05:45:00,047 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [866293592] [2023-11-29 05:45:00,048 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:45:00,052 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-29 05:45:00,052 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:45:00,074 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-29 05:45:00,074 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 05:45:00,076 INFO L87 Difference]: Start difference. First operand has 78 states, 51 states have (on average 1.5098039215686274) internal successors, (77), 60 states have internal predecessors, (77), 16 states have call successors, (16), 9 states have call predecessors, (16), 9 states have return successors, (16), 12 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 2 states, 2 states have (on average 7.5) internal successors, (15), 2 states have internal predecessors, (15), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-29 05:45:00,132 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:45:00,132 INFO L93 Difference]: Finished difference Result 154 states and 219 transitions. [2023-11-29 05:45:00,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-29 05:45:00,135 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 7.5) internal successors, (15), 2 states have internal predecessors, (15), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 22 [2023-11-29 05:45:00,135 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:45:00,143 INFO L225 Difference]: With dead ends: 154 [2023-11-29 05:45:00,144 INFO L226 Difference]: Without dead ends: 73 [2023-11-29 05:45:00,146 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 05:45:00,150 INFO L413 NwaCegarLoop]: 89 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 89 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 05:45:00,151 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 89 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 05:45:00,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2023-11-29 05:45:00,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2023-11-29 05:45:00,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 48 states have (on average 1.3958333333333333) internal successors, (67), 56 states have internal predecessors, (67), 16 states have call successors, (16), 9 states have call predecessors, (16), 8 states have return successors, (15), 11 states have call predecessors, (15), 15 states have call successors, (15) [2023-11-29 05:45:00,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 98 transitions. [2023-11-29 05:45:00,186 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 98 transitions. Word has length 22 [2023-11-29 05:45:00,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:45:00,187 INFO L495 AbstractCegarLoop]: Abstraction has 73 states and 98 transitions. [2023-11-29 05:45:00,187 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 7.5) internal successors, (15), 2 states have internal predecessors, (15), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-29 05:45:00,187 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 98 transitions. [2023-11-29 05:45:00,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-29 05:45:00,190 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:45:00,190 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:45:00,190 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-29 05:45:00,191 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:45:00,191 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:45:00,191 INFO L85 PathProgramCache]: Analyzing trace with hash -1453261388, now seen corresponding path program 1 times [2023-11-29 05:45:00,192 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:45:00,192 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1049960021] [2023-11-29 05:45:00,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:45:00,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:45:00,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:45:00,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-29 05:45:00,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:45:00,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-11-29 05:45:00,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:45:00,292 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 05:45:00,293 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:45:00,293 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1049960021] [2023-11-29 05:45:00,293 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1049960021] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:45:00,294 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:45:00,294 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 05:45:00,294 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2108502097] [2023-11-29 05:45:00,294 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:45:00,295 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 05:45:00,296 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:45:00,297 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 05:45:00,297 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 05:45:00,297 INFO L87 Difference]: Start difference. First operand 73 states and 98 transitions. Second operand has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-29 05:45:00,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:45:00,333 INFO L93 Difference]: Finished difference Result 116 states and 154 transitions. [2023-11-29 05:45:00,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 05:45:00,334 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 23 [2023-11-29 05:45:00,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:45:00,336 INFO L225 Difference]: With dead ends: 116 [2023-11-29 05:45:00,336 INFO L226 Difference]: Without dead ends: 65 [2023-11-29 05:45:00,337 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 05:45:00,338 INFO L413 NwaCegarLoop]: 75 mSDtfsCounter, 14 mSDsluCounter, 58 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 133 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 05:45:00,339 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 133 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 05:45:00,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2023-11-29 05:45:00,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2023-11-29 05:45:00,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 43 states have (on average 1.4186046511627908) internal successors, (61), 51 states have internal predecessors, (61), 13 states have call successors, (13), 8 states have call predecessors, (13), 8 states have return successors, (13), 9 states have call predecessors, (13), 13 states have call successors, (13) [2023-11-29 05:45:00,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 87 transitions. [2023-11-29 05:45:00,349 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 87 transitions. Word has length 23 [2023-11-29 05:45:00,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:45:00,350 INFO L495 AbstractCegarLoop]: Abstraction has 65 states and 87 transitions. [2023-11-29 05:45:00,350 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-29 05:45:00,350 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 87 transitions. [2023-11-29 05:45:00,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-29 05:45:00,351 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:45:00,352 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:45:00,352 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-29 05:45:00,352 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:45:00,352 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:45:00,352 INFO L85 PathProgramCache]: Analyzing trace with hash 1965930726, now seen corresponding path program 1 times [2023-11-29 05:45:00,353 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:45:00,353 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1123528349] [2023-11-29 05:45:00,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:45:00,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:45:00,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:45:00,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-29 05:45:00,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:45:00,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-29 05:45:00,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:45:00,446 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 05:45:00,446 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:45:00,446 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1123528349] [2023-11-29 05:45:00,447 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1123528349] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:45:00,447 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:45:00,447 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 05:45:00,447 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1155061763] [2023-11-29 05:45:00,447 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:45:00,448 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 05:45:00,448 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:45:00,449 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 05:45:00,449 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 05:45:00,449 INFO L87 Difference]: Start difference. First operand 65 states and 87 transitions. Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-29 05:45:00,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:45:00,507 INFO L93 Difference]: Finished difference Result 191 states and 258 transitions. [2023-11-29 05:45:00,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 05:45:00,508 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 26 [2023-11-29 05:45:00,508 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:45:00,511 INFO L225 Difference]: With dead ends: 191 [2023-11-29 05:45:00,511 INFO L226 Difference]: Without dead ends: 128 [2023-11-29 05:45:00,513 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 05:45:00,514 INFO L413 NwaCegarLoop]: 87 mSDtfsCounter, 71 mSDsluCounter, 73 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 160 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 05:45:00,515 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [71 Valid, 160 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 05:45:00,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2023-11-29 05:45:00,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 125. [2023-11-29 05:45:00,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 125 states, 82 states have (on average 1.4268292682926829) internal successors, (117), 97 states have internal predecessors, (117), 26 states have call successors, (26), 16 states have call predecessors, (26), 16 states have return successors, (26), 17 states have call predecessors, (26), 26 states have call successors, (26) [2023-11-29 05:45:00,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 169 transitions. [2023-11-29 05:45:00,537 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 169 transitions. Word has length 26 [2023-11-29 05:45:00,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:45:00,538 INFO L495 AbstractCegarLoop]: Abstraction has 125 states and 169 transitions. [2023-11-29 05:45:00,538 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-29 05:45:00,538 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 169 transitions. [2023-11-29 05:45:00,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-29 05:45:00,541 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:45:00,541 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] [2023-11-29 05:45:00,541 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-29 05:45:00,542 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:45:00,542 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:45:00,542 INFO L85 PathProgramCache]: Analyzing trace with hash -1169242648, now seen corresponding path program 1 times [2023-11-29 05:45:00,542 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:45:00,543 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [184948463] [2023-11-29 05:45:00,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:45:00,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:45:00,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:45:00,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-29 05:45:00,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:45:00,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-11-29 05:45:00,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:45:00,690 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-29 05:45:00,691 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:45:00,691 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [184948463] [2023-11-29 05:45:00,691 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [184948463] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:45:00,691 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:45:00,691 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-29 05:45:00,692 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [58635159] [2023-11-29 05:45:00,692 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:45:00,692 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 05:45:00,692 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:45:00,693 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 05:45:00,693 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-29 05:45:00,694 INFO L87 Difference]: Start difference. First operand 125 states and 169 transitions. Second operand has 6 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-29 05:45:00,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:45:00,805 INFO L93 Difference]: Finished difference Result 212 states and 287 transitions. [2023-11-29 05:45:00,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 05:45:00,806 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 29 [2023-11-29 05:45:00,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:45:00,806 INFO L225 Difference]: With dead ends: 212 [2023-11-29 05:45:00,806 INFO L226 Difference]: Without dead ends: 0 [2023-11-29 05:45:00,809 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2023-11-29 05:45:00,810 INFO L413 NwaCegarLoop]: 40 mSDtfsCounter, 34 mSDsluCounter, 105 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 145 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 05:45:00,811 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 145 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 05:45:00,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-29 05:45:00,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-29 05:45:00,812 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 05:45:00,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-29 05:45:00,812 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 29 [2023-11-29 05:45:00,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:45:00,813 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-29 05:45:00,813 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-29 05:45:00,813 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-29 05:45:00,813 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-29 05:45:00,816 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-29 05:45:00,817 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-29 05:45:00,819 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-29 05:45:01,022 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 255 262) no Hoare annotation was computed. [2023-11-29 05:45:01,022 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 255 262) the Hoare annotation is: true [2023-11-29 05:45:01,023 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 171 177) no Hoare annotation was computed. [2023-11-29 05:45:01,023 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 171 177) the Hoare annotation is: true [2023-11-29 05:45:01,023 INFO L899 garLoopResultBuilder]: For program point L385-1(lines 381 392) no Hoare annotation was computed. [2023-11-29 05:45:01,023 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 381 392) the Hoare annotation is: true [2023-11-29 05:45:01,023 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 381 392) no Hoare annotation was computed. [2023-11-29 05:45:01,024 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 445 474) no Hoare annotation was computed. [2023-11-29 05:45:01,024 INFO L899 garLoopResultBuilder]: For program point L470(lines 445 474) no Hoare annotation was computed. [2023-11-29 05:45:01,024 INFO L899 garLoopResultBuilder]: For program point L466(line 466) no Hoare annotation was computed. [2023-11-29 05:45:01,024 INFO L899 garLoopResultBuilder]: For program point L459(lines 459 463) no Hoare annotation was computed. [2023-11-29 05:45:01,024 INFO L902 garLoopResultBuilder]: At program point L459-1(lines 459 463) the Hoare annotation is: true [2023-11-29 05:45:01,024 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 445 474) the Hoare annotation is: true [2023-11-29 05:45:01,025 INFO L902 garLoopResultBuilder]: At program point L455-2(lines 455 469) the Hoare annotation is: true [2023-11-29 05:45:01,025 INFO L902 garLoopResultBuilder]: At program point L451(line 451) the Hoare annotation is: true [2023-11-29 05:45:01,025 INFO L899 garLoopResultBuilder]: For program point L451-1(line 451) no Hoare annotation was computed. [2023-11-29 05:45:01,025 INFO L899 garLoopResultBuilder]: For program point L151(lines 151 157) no Hoare annotation was computed. [2023-11-29 05:45:01,025 INFO L899 garLoopResultBuilder]: For program point L151-2(lines 147 169) no Hoare annotation was computed. [2023-11-29 05:45:01,025 INFO L899 garLoopResultBuilder]: For program point L213(lines 213 221) no Hoare annotation was computed. [2023-11-29 05:45:01,026 INFO L899 garLoopResultBuilder]: For program point L209(lines 209 226) no Hoare annotation was computed. [2023-11-29 05:45:01,026 INFO L895 garLoopResultBuilder]: At program point L940(line 940) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2023-11-29 05:45:01,026 INFO L899 garLoopResultBuilder]: For program point L940-1(line 940) no Hoare annotation was computed. [2023-11-29 05:45:01,026 INFO L895 garLoopResultBuilder]: At program point L925(line 925) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2023-11-29 05:45:01,027 INFO L899 garLoopResultBuilder]: For program point L925-1(line 925) no Hoare annotation was computed. [2023-11-29 05:45:01,027 INFO L895 garLoopResultBuilder]: At program point L219(line 219) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2023-11-29 05:45:01,027 INFO L895 garLoopResultBuilder]: At program point L215(line 215) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2023-11-29 05:45:01,027 INFO L899 garLoopResultBuilder]: For program point L54(line 54) no Hoare annotation was computed. [2023-11-29 05:45:01,027 INFO L895 garLoopResultBuilder]: At program point L211(line 211) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2023-11-29 05:45:01,028 INFO L899 garLoopResultBuilder]: For program point L211-1(line 211) no Hoare annotation was computed. [2023-11-29 05:45:01,028 INFO L899 garLoopResultBuilder]: For program point L942(lines 942 952) no Hoare annotation was computed. [2023-11-29 05:45:01,028 INFO L899 garLoopResultBuilder]: For program point L938(lines 938 955) no Hoare annotation was computed. [2023-11-29 05:45:01,028 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 144 170) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2023-11-29 05:45:01,028 INFO L899 garLoopResultBuilder]: For program point L938-1(lines 930 958) no Hoare annotation was computed. [2023-11-29 05:45:01,028 INFO L895 garLoopResultBuilder]: At program point L224(line 224) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2023-11-29 05:45:01,029 INFO L899 garLoopResultBuilder]: For program point L224-1(lines 205 229) no Hoare annotation was computed. [2023-11-29 05:45:01,029 INFO L899 garLoopResultBuilder]: For program point L158-1(lines 158 164) no Hoare annotation was computed. [2023-11-29 05:45:01,029 INFO L899 garLoopResultBuilder]: For program point L943(lines 943 949) no Hoare annotation was computed. [2023-11-29 05:45:01,029 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 144 170) no Hoare annotation was computed. [2023-11-29 05:45:01,029 INFO L899 garLoopResultBuilder]: For program point L361(lines 361 365) no Hoare annotation was computed. [2023-11-29 05:45:01,029 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 54) no Hoare annotation was computed. [2023-11-29 05:45:01,030 INFO L899 garLoopResultBuilder]: For program point L361-2(lines 357 368) no Hoare annotation was computed. [2023-11-29 05:45:01,030 INFO L895 garLoopResultBuilder]: At program point L122(lines 73 123) the Hoare annotation is: false [2023-11-29 05:45:01,030 INFO L899 garLoopResultBuilder]: For program point L531(lines 531 538) no Hoare annotation was computed. [2023-11-29 05:45:01,030 INFO L899 garLoopResultBuilder]: For program point L531-2(lines 531 538) no Hoare annotation was computed. [2023-11-29 05:45:01,030 INFO L899 garLoopResultBuilder]: For program point L110(lines 110 116) no Hoare annotation was computed. [2023-11-29 05:45:01,031 INFO L895 garLoopResultBuilder]: At program point L110-2(lines 104 117) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2023-11-29 05:45:01,031 INFO L899 garLoopResultBuilder]: For program point L94(lines 94 100) no Hoare annotation was computed. [2023-11-29 05:45:01,031 INFO L899 garLoopResultBuilder]: For program point L94-1(lines 94 100) no Hoare annotation was computed. [2023-11-29 05:45:01,031 INFO L895 garLoopResultBuilder]: At program point L119(lines 74 121) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2023-11-29 05:45:01,031 INFO L895 garLoopResultBuilder]: At program point L86(line 86) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2023-11-29 05:45:01,031 INFO L899 garLoopResultBuilder]: For program point L342(lines 342 348) no Hoare annotation was computed. [2023-11-29 05:45:01,032 INFO L899 garLoopResultBuilder]: For program point L342-1(lines 342 348) no Hoare annotation was computed. [2023-11-29 05:45:01,032 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-29 05:45:01,032 INFO L899 garLoopResultBuilder]: For program point L75(lines 74 121) no Hoare annotation was computed. [2023-11-29 05:45:01,032 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-29 05:45:01,032 INFO L899 garLoopResultBuilder]: For program point L104(lines 104 117) no Hoare annotation was computed. [2023-11-29 05:45:01,033 INFO L895 garLoopResultBuilder]: At program point L96(line 96) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2023-11-29 05:45:01,033 INFO L899 garLoopResultBuilder]: For program point L125(lines 64 129) no Hoare annotation was computed. [2023-11-29 05:45:01,033 INFO L895 garLoopResultBuilder]: At program point L344(line 344) the Hoare annotation is: false [2023-11-29 05:45:01,033 INFO L899 garLoopResultBuilder]: For program point L84(lines 84 90) no Hoare annotation was computed. [2023-11-29 05:45:01,033 INFO L899 garLoopResultBuilder]: For program point L84-1(lines 84 90) no Hoare annotation was computed. [2023-11-29 05:45:01,033 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 369 380) no Hoare annotation was computed. [2023-11-29 05:45:01,034 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 369 380) the Hoare annotation is: true [2023-11-29 05:45:01,034 INFO L899 garLoopResultBuilder]: For program point L373-1(lines 369 380) no Hoare annotation was computed. [2023-11-29 05:45:01,034 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 179 203) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2023-11-29 05:45:01,034 INFO L895 garLoopResultBuilder]: At program point L193(line 193) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2023-11-29 05:45:01,034 INFO L895 garLoopResultBuilder]: At program point L189(line 189) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2023-11-29 05:45:01,034 INFO L899 garLoopResultBuilder]: For program point L187(lines 187 195) no Hoare annotation was computed. [2023-11-29 05:45:01,035 INFO L899 garLoopResultBuilder]: For program point L183(lines 183 200) no Hoare annotation was computed. [2023-11-29 05:45:01,035 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 179 203) no Hoare annotation was computed. [2023-11-29 05:45:01,035 INFO L899 garLoopResultBuilder]: For program point L328(lines 328 332) no Hoare annotation was computed. [2023-11-29 05:45:01,035 INFO L899 garLoopResultBuilder]: For program point L328-2(lines 328 332) no Hoare annotation was computed. [2023-11-29 05:45:01,035 INFO L895 garLoopResultBuilder]: At program point L198(line 198) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2023-11-29 05:45:01,035 INFO L899 garLoopResultBuilder]: For program point L198-1(lines 179 203) no Hoare annotation was computed. [2023-11-29 05:45:01,036 INFO L899 garLoopResultBuilder]: For program point isPumpRunningEXIT(lines 274 282) no Hoare annotation was computed. [2023-11-29 05:45:01,036 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 274 282) the Hoare annotation is: true [2023-11-29 05:45:01,036 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmEXIT(lines 263 273) no Hoare annotation was computed. [2023-11-29 05:45:01,036 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 263 273) the Hoare annotation is: true [2023-11-29 05:45:01,039 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2023-11-29 05:45:01,041 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-29 05:45:01,053 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 05:45:01 BoogieIcfgContainer [2023-11-29 05:45:01,053 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-29 05:45:01,054 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-29 05:45:01,054 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-29 05:45:01,054 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-29 05:45:01,055 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 05:44:59" (3/4) ... [2023-11-29 05:45:01,057 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-29 05:45:01,060 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2023-11-29 05:45:01,060 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2023-11-29 05:45:01,061 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2023-11-29 05:45:01,061 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2023-11-29 05:45:01,061 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2023-11-29 05:45:01,061 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2023-11-29 05:45:01,061 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2023-11-29 05:45:01,061 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2023-11-29 05:45:01,062 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2023-11-29 05:45:01,069 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 35 nodes and edges [2023-11-29 05:45:01,070 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2023-11-29 05:45:01,071 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-11-29 05:45:01,071 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-29 05:45:01,072 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-29 05:45:01,181 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7de4d6fe-87fc-4ba7-819f-931b8f6028ff/bin/uautomizer-verify-BQ2R08f2Ya/witness.graphml [2023-11-29 05:45:01,182 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7de4d6fe-87fc-4ba7-819f-931b8f6028ff/bin/uautomizer-verify-BQ2R08f2Ya/witness.yml [2023-11-29 05:45:01,182 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-29 05:45:01,183 INFO L158 Benchmark]: Toolchain (without parser) took 2366.03ms. Allocated memory was 140.5MB in the beginning and 180.4MB in the end (delta: 39.8MB). Free memory was 101.3MB in the beginning and 114.3MB in the end (delta: -13.0MB). Peak memory consumption was 28.1MB. Max. memory is 16.1GB. [2023-11-29 05:45:01,183 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 104.9MB. Free memory is still 57.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 05:45:01,183 INFO L158 Benchmark]: CACSL2BoogieTranslator took 403.20ms. Allocated memory is still 140.5MB. Free memory was 101.3MB in the beginning and 81.8MB in the end (delta: 19.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-29 05:45:01,184 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.08ms. Allocated memory is still 140.5MB. Free memory was 81.8MB in the beginning and 79.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 05:45:01,184 INFO L158 Benchmark]: Boogie Preprocessor took 45.11ms. Allocated memory is still 140.5MB. Free memory was 79.5MB in the beginning and 76.8MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-29 05:45:01,185 INFO L158 Benchmark]: RCFGBuilder took 440.58ms. Allocated memory is still 140.5MB. Free memory was 76.8MB in the beginning and 55.2MB in the end (delta: 21.6MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-29 05:45:01,185 INFO L158 Benchmark]: TraceAbstraction took 1296.06ms. Allocated memory was 140.5MB in the beginning and 180.4MB in the end (delta: 39.8MB). Free memory was 54.4MB in the beginning and 122.7MB in the end (delta: -68.4MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 05:45:01,185 INFO L158 Benchmark]: Witness Printer took 127.90ms. Allocated memory is still 180.4MB. Free memory was 122.7MB in the beginning and 114.3MB in the end (delta: 8.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-29 05:45:01,188 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 104.9MB. Free memory is still 57.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 403.20ms. Allocated memory is still 140.5MB. Free memory was 101.3MB in the beginning and 81.8MB in the end (delta: 19.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.08ms. Allocated memory is still 140.5MB. Free memory was 81.8MB in the beginning and 79.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 45.11ms. Allocated memory is still 140.5MB. Free memory was 79.5MB in the beginning and 76.8MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 440.58ms. Allocated memory is still 140.5MB. Free memory was 76.8MB in the beginning and 55.2MB in the end (delta: 21.6MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * TraceAbstraction took 1296.06ms. Allocated memory was 140.5MB in the beginning and 180.4MB in the end (delta: 39.8MB). Free memory was 54.4MB in the beginning and 122.7MB in the end (delta: -68.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 127.90ms. Allocated memory is still 180.4MB. Free memory was 122.7MB in the beginning and 114.3MB in the end (delta: 8.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 49]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [49] - GenericResultAtLocation [Line: 58]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [58] - GenericResultAtLocation [Line: 130]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [130] - GenericResultAtLocation [Line: 353]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [353] - GenericResultAtLocation [Line: 443]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [443] - GenericResultAtLocation [Line: 544]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [544] - GenericResultAtLocation [Line: 910]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [910] - GenericResultAtLocation [Line: 959]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [959] * 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: 54]: 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 10 procedures, 78 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 4, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 124 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 119 mSDsluCounter, 527 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 236 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 134 IncrementalHoareTripleChecker+Invalid, 138 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 291 mSDtfsCounter, 134 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 31 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=125occurred in iteration=3, InterpolantAutomatonStates: 14, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 27 LocationsWithAnnotation, 189 PreInvPairs, 201 NumberOfFragments, 108 HoareAnnotationTreeSize, 189 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 27 FomulaSimplificationsInter, 256 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 100 NumberOfCodeBlocks, 100 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 96 ConstructedInterpolants, 0 QuantifiedInterpolants, 174 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 8/8 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 74]: Loop Invariant Derived loop invariant: ((pumpRunning == 0) && (splverifierCounter == 0)) - InvariantResult [Line: 263]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 455]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 73]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2023-11-29 05:45:01,208 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7de4d6fe-87fc-4ba7-819f-931b8f6028ff/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE