./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product03.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_fe8670ad-c3fb-4292-81bb-6c6b8d9a8b09/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe8670ad-c3fb-4292-81bb-6c6b8d9a8b09/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_fe8670ad-c3fb-4292-81bb-6c6b8d9a8b09/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe8670ad-c3fb-4292-81bb-6c6b8d9a8b09/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product03.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe8670ad-c3fb-4292-81bb-6c6b8d9a8b09/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_fe8670ad-c3fb-4292-81bb-6c6b8d9a8b09/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 e4c4c3413bc835a2ad2589a294742fc0b7117f4143aba1ac8a9769f1c40db06f --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 06:18:07,307 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 06:18:07,373 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe8670ad-c3fb-4292-81bb-6c6b8d9a8b09/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-29 06:18:07,377 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 06:18:07,378 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 06:18:07,404 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 06:18:07,405 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 06:18:07,405 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 06:18:07,406 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 06:18:07,406 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 06:18:07,407 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 06:18:07,407 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 06:18:07,408 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 06:18:07,409 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 06:18:07,409 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 06:18:07,410 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 06:18:07,410 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 06:18:07,411 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 06:18:07,411 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 06:18:07,412 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 06:18:07,412 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 06:18:07,413 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 06:18:07,413 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 06:18:07,414 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 06:18:07,414 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 06:18:07,415 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 06:18:07,415 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 06:18:07,416 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 06:18:07,416 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 06:18:07,417 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 06:18:07,417 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 06:18:07,417 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 06:18:07,418 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 06:18:07,418 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 06:18:07,418 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 06:18:07,418 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 06:18:07,418 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-29 06:18:07,419 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 06:18:07,419 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 06:18:07,419 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 06:18:07,419 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 06:18:07,420 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 06:18:07,420 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_fe8670ad-c3fb-4292-81bb-6c6b8d9a8b09/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe8670ad-c3fb-4292-81bb-6c6b8d9a8b09/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e4c4c3413bc835a2ad2589a294742fc0b7117f4143aba1ac8a9769f1c40db06f [2023-11-29 06:18:07,675 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 06:18:07,700 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 06:18:07,703 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 06:18:07,704 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 06:18:07,705 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 06:18:07,706 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe8670ad-c3fb-4292-81bb-6c6b8d9a8b09/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/product-lines/minepump_spec1_product03.cil.c [2023-11-29 06:18:10,518 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 06:18:10,728 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 06:18:10,729 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe8670ad-c3fb-4292-81bb-6c6b8d9a8b09/sv-benchmarks/c/product-lines/minepump_spec1_product03.cil.c [2023-11-29 06:18:10,740 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe8670ad-c3fb-4292-81bb-6c6b8d9a8b09/bin/uautomizer-verify-BQ2R08f2Ya/data/ea43f37d8/51a139b914664d2d8445dcab09c14c63/FLAG6857b27d0 [2023-11-29 06:18:10,753 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe8670ad-c3fb-4292-81bb-6c6b8d9a8b09/bin/uautomizer-verify-BQ2R08f2Ya/data/ea43f37d8/51a139b914664d2d8445dcab09c14c63 [2023-11-29 06:18:10,755 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 06:18:10,756 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 06:18:10,757 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 06:18:10,757 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 06:18:10,763 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 06:18:10,763 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 06:18:10" (1/1) ... [2023-11-29 06:18:10,764 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4fc371c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:18:10, skipping insertion in model container [2023-11-29 06:18:10,765 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 06:18:10" (1/1) ... [2023-11-29 06:18:10,811 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 06:18:10,982 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_fe8670ad-c3fb-4292-81bb-6c6b8d9a8b09/sv-benchmarks/c/product-lines/minepump_spec1_product03.cil.c[6886,6899] [2023-11-29 06:18:11,039 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 06:18:11,053 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 06:18:11,064 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [49] [2023-11-29 06:18:11,066 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [121] [2023-11-29 06:18:11,066 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [159] [2023-11-29 06:18:11,066 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [289] [2023-11-29 06:18:11,066 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [370] [2023-11-29 06:18:11,067 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [466] [2023-11-29 06:18:11,067 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification1_spec.i","") [475] [2023-11-29 06:18:11,067 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [501] [2023-11-29 06:18:11,087 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_fe8670ad-c3fb-4292-81bb-6c6b8d9a8b09/sv-benchmarks/c/product-lines/minepump_spec1_product03.cil.c[6886,6899] [2023-11-29 06:18:11,123 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 06:18:11,143 INFO L206 MainTranslator]: Completed translation [2023-11-29 06:18:11,143 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:18:11 WrapperNode [2023-11-29 06:18:11,144 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 06:18:11,145 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 06:18:11,145 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 06:18:11,145 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 06:18:11,153 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:18:11" (1/1) ... [2023-11-29 06:18:11,167 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:18:11" (1/1) ... [2023-11-29 06:18:11,192 INFO L138 Inliner]: procedures = 50, calls = 90, calls flagged for inlining = 18, calls inlined = 15, statements flattened = 134 [2023-11-29 06:18:11,192 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 06:18:11,193 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 06:18:11,193 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 06:18:11,193 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 06:18:11,206 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:18:11" (1/1) ... [2023-11-29 06:18:11,207 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:18:11" (1/1) ... [2023-11-29 06:18:11,209 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:18:11" (1/1) ... [2023-11-29 06:18:11,225 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 06:18:11,226 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:18:11" (1/1) ... [2023-11-29 06:18:11,226 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:18:11" (1/1) ... [2023-11-29 06:18:11,231 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:18:11" (1/1) ... [2023-11-29 06:18:11,235 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:18:11" (1/1) ... [2023-11-29 06:18:11,237 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:18:11" (1/1) ... [2023-11-29 06:18:11,238 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:18:11" (1/1) ... [2023-11-29 06:18:11,241 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 06:18:11,242 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 06:18:11,242 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 06:18:11,243 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 06:18:11,243 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:18:11" (1/1) ... [2023-11-29 06:18:11,250 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 06:18:11,264 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe8670ad-c3fb-4292-81bb-6c6b8d9a8b09/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:18:11,280 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe8670ad-c3fb-4292-81bb-6c6b8d9a8b09/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 06:18:11,284 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe8670ad-c3fb-4292-81bb-6c6b8d9a8b09/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 06:18:11,318 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 06:18:11,318 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2023-11-29 06:18:11,318 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2023-11-29 06:18:11,318 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2023-11-29 06:18:11,318 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2023-11-29 06:18:11,318 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2023-11-29 06:18:11,319 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2023-11-29 06:18:11,319 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2023-11-29 06:18:11,319 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2023-11-29 06:18:11,319 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-29 06:18:11,319 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2023-11-29 06:18:11,319 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2023-11-29 06:18:11,319 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 06:18:11,319 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 06:18:11,393 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 06:18:11,395 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 06:18:11,603 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 06:18:11,669 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 06:18:11,669 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-29 06:18:11,670 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:18:11 BoogieIcfgContainer [2023-11-29 06:18:11,670 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 06:18:11,673 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 06:18:11,673 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 06:18:11,676 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 06:18:11,677 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 06:18:10" (1/3) ... [2023-11-29 06:18:11,677 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6bc2d6c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 06:18:11, skipping insertion in model container [2023-11-29 06:18:11,677 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:18:11" (2/3) ... [2023-11-29 06:18:11,678 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6bc2d6c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 06:18:11, skipping insertion in model container [2023-11-29 06:18:11,678 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:18:11" (3/3) ... [2023-11-29 06:18:11,679 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product03.cil.c [2023-11-29 06:18:11,695 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 06:18:11,695 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-29 06:18:11,738 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 06:18:11,745 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;@127caa47, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 06:18:11,745 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-29 06:18:11,749 INFO L276 IsEmpty]: Start isEmpty. Operand has 49 states, 35 states have (on average 1.5714285714285714) internal successors, (55), 39 states have internal predecessors, (55), 7 states have call successors, (7), 5 states have call predecessors, (7), 5 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2023-11-29 06:18:11,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-29 06:18:11,757 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:18:11,757 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:18:11,758 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:18:11,762 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:18:11,763 INFO L85 PathProgramCache]: Analyzing trace with hash -309982242, now seen corresponding path program 1 times [2023-11-29 06:18:11,770 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:18:11,771 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [718700109] [2023-11-29 06:18:11,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:18:11,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:18:11,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:18:11,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-29 06:18:11,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:18:11,956 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 06:18:11,957 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:18:11,957 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [718700109] [2023-11-29 06:18:11,958 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [718700109] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:18:11,958 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:18:11,958 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 06:18:11,960 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1969722227] [2023-11-29 06:18:11,961 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:18:11,965 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-29 06:18:11,965 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:18:11,998 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-29 06:18:11,999 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 06:18:12,000 INFO L87 Difference]: Start difference. First operand has 49 states, 35 states have (on average 1.5714285714285714) internal successors, (55), 39 states have internal predecessors, (55), 7 states have call successors, (7), 5 states have call predecessors, (7), 5 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) Second operand has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-29 06:18:12,055 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:18:12,055 INFO L93 Difference]: Finished difference Result 96 states and 139 transitions. [2023-11-29 06:18:12,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-29 06:18:12,058 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 16 [2023-11-29 06:18:12,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:18:12,067 INFO L225 Difference]: With dead ends: 96 [2023-11-29 06:18:12,067 INFO L226 Difference]: Without dead ends: 44 [2023-11-29 06:18:12,071 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 06:18:12,075 INFO L413 NwaCegarLoop]: 52 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 52 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 06:18:12,077 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 52 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 06:18:12,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2023-11-29 06:18:12,116 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2023-11-29 06:18:12,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 32 states have (on average 1.40625) internal successors, (45), 35 states have internal predecessors, (45), 7 states have call successors, (7), 5 states have call predecessors, (7), 4 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2023-11-29 06:18:12,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 58 transitions. [2023-11-29 06:18:12,121 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 58 transitions. Word has length 16 [2023-11-29 06:18:12,122 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:18:12,122 INFO L495 AbstractCegarLoop]: Abstraction has 44 states and 58 transitions. [2023-11-29 06:18:12,122 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-29 06:18:12,123 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 58 transitions. [2023-11-29 06:18:12,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-29 06:18:12,125 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:18:12,125 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 06:18:12,125 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-29 06:18:12,126 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:18:12,126 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:18:12,127 INFO L85 PathProgramCache]: Analyzing trace with hash -143424954, now seen corresponding path program 1 times [2023-11-29 06:18:12,127 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:18:12,127 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1015575063] [2023-11-29 06:18:12,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:18:12,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:18:12,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:18:12,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-29 06:18:12,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:18:12,232 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 06:18:12,233 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:18:12,233 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1015575063] [2023-11-29 06:18:12,233 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1015575063] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:18:12,234 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:18:12,234 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 06:18:12,234 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [252862586] [2023-11-29 06:18:12,234 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:18:12,236 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 06:18:12,236 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:18:12,237 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 06:18:12,237 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 06:18:12,238 INFO L87 Difference]: Start difference. First operand 44 states and 58 transitions. Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-29 06:18:12,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:18:12,265 INFO L93 Difference]: Finished difference Result 59 states and 76 transitions. [2023-11-29 06:18:12,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 06:18:12,266 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 17 [2023-11-29 06:18:12,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:18:12,267 INFO L225 Difference]: With dead ends: 59 [2023-11-29 06:18:12,267 INFO L226 Difference]: Without dead ends: 36 [2023-11-29 06:18:12,268 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 06:18:12,269 INFO L413 NwaCegarLoop]: 38 mSDtfsCounter, 14 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 61 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 06:18:12,270 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 61 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 06:18:12,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2023-11-29 06:18:12,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 36. [2023-11-29 06:18:12,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 27 states have (on average 1.4444444444444444) internal successors, (39), 30 states have internal predecessors, (39), 4 states have call successors, (4), 4 states have call predecessors, (4), 4 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2023-11-29 06:18:12,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 47 transitions. [2023-11-29 06:18:12,278 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 47 transitions. Word has length 17 [2023-11-29 06:18:12,278 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:18:12,278 INFO L495 AbstractCegarLoop]: Abstraction has 36 states and 47 transitions. [2023-11-29 06:18:12,278 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-29 06:18:12,278 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 47 transitions. [2023-11-29 06:18:12,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-29 06:18:12,280 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:18:12,280 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:18:12,280 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-29 06:18:12,280 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:18:12,281 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:18:12,281 INFO L85 PathProgramCache]: Analyzing trace with hash 1803420927, now seen corresponding path program 1 times [2023-11-29 06:18:12,281 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:18:12,282 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [999862413] [2023-11-29 06:18:12,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:18:12,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:18:12,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:18:12,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-29 06:18:12,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:18:12,476 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 06:18:12,476 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:18:12,477 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [999862413] [2023-11-29 06:18:12,477 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [999862413] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:18:12,477 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:18:12,477 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-29 06:18:12,478 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [207506565] [2023-11-29 06:18:12,478 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:18:12,478 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 06:18:12,479 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:18:12,479 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 06:18:12,480 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-29 06:18:12,480 INFO L87 Difference]: Start difference. First operand 36 states and 47 transitions. Second operand has 6 states, 5 states have (on average 3.4) internal successors, (17), 4 states have internal predecessors, (17), 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 06:18:12,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:18:12,591 INFO L93 Difference]: Finished difference Result 102 states and 138 transitions. [2023-11-29 06:18:12,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-29 06:18:12,592 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.4) internal successors, (17), 4 states have internal predecessors, (17), 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 20 [2023-11-29 06:18:12,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:18:12,595 INFO L225 Difference]: With dead ends: 102 [2023-11-29 06:18:12,595 INFO L226 Difference]: Without dead ends: 68 [2023-11-29 06:18:12,596 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 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 06:18:12,598 INFO L413 NwaCegarLoop]: 37 mSDtfsCounter, 28 mSDsluCounter, 134 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 171 SdHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 06:18:12,598 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 171 Invalid, 70 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 06:18:12,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2023-11-29 06:18:12,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 67. [2023-11-29 06:18:12,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 50 states have (on average 1.42) internal successors, (71), 55 states have internal predecessors, (71), 8 states have call successors, (8), 8 states have call predecessors, (8), 8 states have return successors, (9), 8 states have call predecessors, (9), 8 states have call successors, (9) [2023-11-29 06:18:12,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 88 transitions. [2023-11-29 06:18:12,614 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 88 transitions. Word has length 20 [2023-11-29 06:18:12,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:18:12,615 INFO L495 AbstractCegarLoop]: Abstraction has 67 states and 88 transitions. [2023-11-29 06:18:12,615 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.4) internal successors, (17), 4 states have internal predecessors, (17), 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 06:18:12,615 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 88 transitions. [2023-11-29 06:18:12,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-29 06:18:12,616 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:18:12,616 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 06:18:12,616 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-29 06:18:12,617 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:18:12,617 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:18:12,617 INFO L85 PathProgramCache]: Analyzing trace with hash 290181251, now seen corresponding path program 1 times [2023-11-29 06:18:12,617 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:18:12,618 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [106069581] [2023-11-29 06:18:12,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:18:12,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:18:12,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:18:12,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-29 06:18:12,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:18:12,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-11-29 06:18:12,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:18:12,737 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 06:18:12,737 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:18:12,738 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [106069581] [2023-11-29 06:18:12,738 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [106069581] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:18:12,738 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:18:12,738 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 06:18:12,738 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [817639443] [2023-11-29 06:18:12,739 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:18:12,739 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 06:18:12,739 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:18:12,740 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 06:18:12,740 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-29 06:18:12,741 INFO L87 Difference]: Start difference. First operand 67 states and 88 transitions. Second operand has 5 states, 5 states have (on average 3.8) internal successors, (19), 4 states have internal predecessors, (19), 1 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-29 06:18:12,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:18:12,836 INFO L93 Difference]: Finished difference Result 127 states and 170 transitions. [2023-11-29 06:18:12,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 06:18:12,837 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.8) internal successors, (19), 4 states have internal predecessors, (19), 1 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 24 [2023-11-29 06:18:12,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:18:12,837 INFO L225 Difference]: With dead ends: 127 [2023-11-29 06:18:12,837 INFO L226 Difference]: Without dead ends: 0 [2023-11-29 06:18:12,839 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-11-29 06:18:12,840 INFO L413 NwaCegarLoop]: 18 mSDtfsCounter, 35 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 47 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 06:18:12,840 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 47 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 06:18:12,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-29 06:18:12,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-29 06:18:12,841 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 06:18:12,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-29 06:18:12,842 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 24 [2023-11-29 06:18:12,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:18:12,842 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-29 06:18:12,842 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.8) internal successors, (19), 4 states have internal predecessors, (19), 1 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-29 06:18:12,842 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-29 06:18:12,842 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-29 06:18:12,845 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-29 06:18:12,845 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-29 06:18:12,847 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-29 06:18:12,957 INFO L899 garLoopResultBuilder]: For program point L321-1(lines 317 328) no Hoare annotation was computed. [2023-11-29 06:18:12,958 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 317 328) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2023-11-29 06:18:12,958 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 317 328) no Hoare annotation was computed. [2023-11-29 06:18:12,958 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 329 337) the Hoare annotation is: true [2023-11-29 06:18:12,958 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 329 337) no Hoare annotation was computed. [2023-11-29 06:18:12,959 INFO L902 garLoopResultBuilder]: At program point L386-1(lines 386 390) the Hoare annotation is: true [2023-11-29 06:18:12,959 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 372 401) no Hoare annotation was computed. [2023-11-29 06:18:12,959 INFO L902 garLoopResultBuilder]: At program point L382-2(lines 382 396) the Hoare annotation is: true [2023-11-29 06:18:12,959 INFO L902 garLoopResultBuilder]: At program point L378(line 378) the Hoare annotation is: true [2023-11-29 06:18:12,959 INFO L899 garLoopResultBuilder]: For program point L378-1(line 378) no Hoare annotation was computed. [2023-11-29 06:18:12,960 INFO L899 garLoopResultBuilder]: For program point L397(lines 372 401) no Hoare annotation was computed. [2023-11-29 06:18:12,960 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 372 401) the Hoare annotation is: true [2023-11-29 06:18:12,960 INFO L899 garLoopResultBuilder]: For program point L393(line 393) no Hoare annotation was computed. [2023-11-29 06:18:12,960 INFO L899 garLoopResultBuilder]: For program point L386(lines 386 390) no Hoare annotation was computed. [2023-11-29 06:18:12,960 INFO L899 garLoopResultBuilder]: For program point L471(line 471) no Hoare annotation was computed. [2023-11-29 06:18:12,960 INFO L899 garLoopResultBuilder]: For program point L182-1(lines 182 188) no Hoare annotation was computed. [2023-11-29 06:18:12,961 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 171 194) the Hoare annotation is: true [2023-11-29 06:18:12,961 INFO L899 garLoopResultBuilder]: For program point L488(lines 488 494) no Hoare annotation was computed. [2023-11-29 06:18:12,961 INFO L899 garLoopResultBuilder]: For program point L484(lines 484 497) no Hoare annotation was computed. [2023-11-29 06:18:12,961 INFO L899 garLoopResultBuilder]: For program point L484-1(lines 476 500) no Hoare annotation was computed. [2023-11-29 06:18:12,961 INFO L902 garLoopResultBuilder]: At program point L482(line 482) the Hoare annotation is: true [2023-11-29 06:18:12,962 INFO L899 garLoopResultBuilder]: For program point L482-1(line 482) no Hoare annotation was computed. [2023-11-29 06:18:12,962 INFO L899 garLoopResultBuilder]: For program point L175-1(lines 174 193) no Hoare annotation was computed. [2023-11-29 06:18:12,962 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 171 194) no Hoare annotation was computed. [2023-11-29 06:18:12,962 INFO L899 garLoopResultBuilder]: For program point L297(lines 297 301) no Hoare annotation was computed. [2023-11-29 06:18:12,962 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 471) no Hoare annotation was computed. [2023-11-29 06:18:12,962 INFO L899 garLoopResultBuilder]: For program point L297-2(lines 293 304) no Hoare annotation was computed. [2023-11-29 06:18:12,963 INFO L899 garLoopResultBuilder]: For program point L85(lines 85 91) no Hoare annotation was computed. [2023-11-29 06:18:12,963 INFO L899 garLoopResultBuilder]: For program point L85-1(lines 85 91) no Hoare annotation was computed. [2023-11-29 06:18:12,963 INFO L895 garLoopResultBuilder]: At program point L110(lines 65 112) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2023-11-29 06:18:12,963 INFO L895 garLoopResultBuilder]: At program point L77(line 77) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2023-11-29 06:18:12,963 INFO L899 garLoopResultBuilder]: For program point L453(lines 453 460) no Hoare annotation was computed. [2023-11-29 06:18:12,963 INFO L899 garLoopResultBuilder]: For program point L453-2(lines 453 460) no Hoare annotation was computed. [2023-11-29 06:18:12,964 INFO L899 garLoopResultBuilder]: For program point L66(lines 65 112) no Hoare annotation was computed. [2023-11-29 06:18:12,964 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-29 06:18:12,964 INFO L899 garLoopResultBuilder]: For program point L95(lines 95 108) no Hoare annotation was computed. [2023-11-29 06:18:12,964 INFO L895 garLoopResultBuilder]: At program point L87(line 87) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2023-11-29 06:18:12,964 INFO L899 garLoopResultBuilder]: For program point L116(lines 55 120) no Hoare annotation was computed. [2023-11-29 06:18:12,964 INFO L899 garLoopResultBuilder]: For program point L75(lines 75 81) no Hoare annotation was computed. [2023-11-29 06:18:12,964 INFO L899 garLoopResultBuilder]: For program point L75-1(lines 75 81) no Hoare annotation was computed. [2023-11-29 06:18:12,965 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-29 06:18:12,965 INFO L899 garLoopResultBuilder]: For program point L278(lines 278 284) no Hoare annotation was computed. [2023-11-29 06:18:12,965 INFO L899 garLoopResultBuilder]: For program point L278-2(lines 278 284) no Hoare annotation was computed. [2023-11-29 06:18:12,965 INFO L895 garLoopResultBuilder]: At program point L113(lines 64 114) the Hoare annotation is: false [2023-11-29 06:18:12,965 INFO L899 garLoopResultBuilder]: For program point L101(lines 101 107) no Hoare annotation was computed. [2023-11-29 06:18:12,965 INFO L895 garLoopResultBuilder]: At program point L101-2(lines 95 108) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2023-11-29 06:18:12,966 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 305 316) no Hoare annotation was computed. [2023-11-29 06:18:12,966 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 305 316) the Hoare annotation is: true [2023-11-29 06:18:12,966 INFO L899 garLoopResultBuilder]: For program point L309-1(lines 305 316) no Hoare annotation was computed. [2023-11-29 06:18:12,969 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2023-11-29 06:18:12,971 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-29 06:18:12,982 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 06:18:12 BoogieIcfgContainer [2023-11-29 06:18:12,983 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-29 06:18:12,983 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-29 06:18:12,984 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-29 06:18:12,984 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-29 06:18:12,985 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:18:11" (3/4) ... [2023-11-29 06:18:12,987 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-29 06:18:12,991 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2023-11-29 06:18:12,991 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2023-11-29 06:18:12,991 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2023-11-29 06:18:12,991 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2023-11-29 06:18:12,992 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2023-11-29 06:18:12,998 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 27 nodes and edges [2023-11-29 06:18:12,999 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2023-11-29 06:18:12,999 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-11-29 06:18:12,999 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-29 06:18:13,000 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-29 06:18:13,105 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe8670ad-c3fb-4292-81bb-6c6b8d9a8b09/bin/uautomizer-verify-BQ2R08f2Ya/witness.graphml [2023-11-29 06:18:13,106 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe8670ad-c3fb-4292-81bb-6c6b8d9a8b09/bin/uautomizer-verify-BQ2R08f2Ya/witness.yml [2023-11-29 06:18:13,106 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-29 06:18:13,107 INFO L158 Benchmark]: Toolchain (without parser) took 2350.90ms. Allocated memory was 151.0MB in the beginning and 216.0MB in the end (delta: 65.0MB). Free memory was 110.5MB in the beginning and 112.4MB in the end (delta: -1.9MB). Peak memory consumption was 64.6MB. Max. memory is 16.1GB. [2023-11-29 06:18:13,107 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 151.0MB. Free memory is still 120.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 06:18:13,108 INFO L158 Benchmark]: CACSL2BoogieTranslator took 386.96ms. Allocated memory is still 151.0MB. Free memory was 110.0MB in the beginning and 91.5MB in the end (delta: 18.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-29 06:18:13,108 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.63ms. Allocated memory is still 151.0MB. Free memory was 91.5MB in the beginning and 89.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 06:18:13,109 INFO L158 Benchmark]: Boogie Preprocessor took 48.19ms. Allocated memory is still 151.0MB. Free memory was 89.4MB in the beginning and 87.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 06:18:13,109 INFO L158 Benchmark]: RCFGBuilder took 427.66ms. Allocated memory is still 151.0MB. Free memory was 87.3MB in the beginning and 69.0MB in the end (delta: 18.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-29 06:18:13,109 INFO L158 Benchmark]: TraceAbstraction took 1309.83ms. Allocated memory was 151.0MB in the beginning and 216.0MB in the end (delta: 65.0MB). Free memory was 68.5MB in the beginning and 118.6MB in the end (delta: -50.1MB). Peak memory consumption was 16.3MB. Max. memory is 16.1GB. [2023-11-29 06:18:13,110 INFO L158 Benchmark]: Witness Printer took 122.90ms. Allocated memory is still 216.0MB. Free memory was 118.6MB in the beginning and 112.4MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-29 06:18:13,112 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 151.0MB. Free memory is still 120.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 386.96ms. Allocated memory is still 151.0MB. Free memory was 110.0MB in the beginning and 91.5MB in the end (delta: 18.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.63ms. Allocated memory is still 151.0MB. Free memory was 91.5MB in the beginning and 89.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 48.19ms. Allocated memory is still 151.0MB. Free memory was 89.4MB in the beginning and 87.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 427.66ms. Allocated memory is still 151.0MB. Free memory was 87.3MB in the beginning and 69.0MB in the end (delta: 18.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 1309.83ms. Allocated memory was 151.0MB in the beginning and 216.0MB in the end (delta: 65.0MB). Free memory was 68.5MB in the beginning and 118.6MB in the end (delta: -50.1MB). Peak memory consumption was 16.3MB. Max. memory is 16.1GB. * Witness Printer took 122.90ms. Allocated memory is still 216.0MB. Free memory was 118.6MB in the beginning and 112.4MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 49]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [49] - GenericResultAtLocation [Line: 121]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [121] - GenericResultAtLocation [Line: 159]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [159] - GenericResultAtLocation [Line: 289]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [289] - GenericResultAtLocation [Line: 370]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [370] - GenericResultAtLocation [Line: 466]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [466] - GenericResultAtLocation [Line: 475]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification1_spec.i","") [475] - GenericResultAtLocation [Line: 501]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [501] * 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: 471]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 49 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 83 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 77 mSDsluCounter, 331 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 186 mSDsCounter, 10 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 148 IncrementalHoareTripleChecker+Invalid, 158 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 10 mSolverCounterUnsat, 145 mSDtfsCounter, 148 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 28 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=67occurred in iteration=3, InterpolantAutomatonStates: 18, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 14 LocationsWithAnnotation, 52 PreInvPairs, 62 NumberOfFragments, 45 HoareAnnotationTreeSize, 52 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 14 FomulaSimplificationsInter, 128 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 77 NumberOfCodeBlocks, 77 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 73 ConstructedInterpolants, 0 QuantifiedInterpolants, 145 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 65]: Loop Invariant Derived loop invariant: ((pumpRunning == 0) && (splverifierCounter == 0)) - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 382]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2023-11-29 06:18:13,131 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe8670ad-c3fb-4292-81bb-6c6b8d9a8b09/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