./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product08.cil.c --full-output --architecture 32bit
--------------------------------------------------------------------------------
Checking for ERROR reachability
Using default analysis
Version d790fecc
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d45cbfc1-6e4d-4341-be3b-a6c943c56444/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d45cbfc1-6e4d-4341-be3b-a6c943c56444/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d45cbfc1-6e4d-4341-be3b-a6c943c56444/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d45cbfc1-6e4d-4341-be3b-a6c943c56444/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product08.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d45cbfc1-6e4d-4341-be3b-a6c943c56444/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d45cbfc1-6e4d-4341-be3b-a6c943c56444/bin/uautomizer-verify-84ZbGMXZE1 --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 adc521790d868e8902785ea29b51f549e45d9404af4185d7531e4ae8ae0e6ca8
--- Real Ultimate output ---
This is Ultimate 0.3.0-dev-d790fec
[2024-12-02 10:54:43,181 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-12-02 10:54:43,247 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d45cbfc1-6e4d-4341-be3b-a6c943c56444/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf
[2024-12-02 10:54:43,253 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-12-02 10:54:43,253 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-12-02 10:54:43,278 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-12-02 10:54:43,279 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-12-02 10:54:43,279 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-12-02 10:54:43,280 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-12-02 10:54:43,280 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-12-02 10:54:43,280 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-12-02 10:54:43,280 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-12-02 10:54:43,280 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-12-02 10:54:43,281 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-12-02 10:54:43,281 INFO L153 SettingsManager]: * Use SBE=true
[2024-12-02 10:54:43,281 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-12-02 10:54:43,281 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-12-02 10:54:43,281 INFO L153 SettingsManager]: * sizeof long=4
[2024-12-02 10:54:43,281 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-12-02 10:54:43,281 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-12-02 10:54:43,281 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-12-02 10:54:43,282 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-12-02 10:54:43,282 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-12-02 10:54:43,282 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-12-02 10:54:43,282 INFO L153 SettingsManager]: * sizeof long double=12
[2024-12-02 10:54:43,282 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-12-02 10:54:43,282 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2024-12-02 10:54:43,282 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-12-02 10:54:43,282 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults:
[2024-12-02 10:54:43,282 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-12-02 10:54:43,283 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-12-02 10:54:43,283 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-12-02 10:54:43,283 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 10:54:43,283 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-12-02 10:54:43,283 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-12-02 10:54:43,283 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-12-02 10:54:43,283 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-12-02 10:54:43,283 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 10:54:43,283 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-12-02 10:54:43,283 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-12-02 10:54:43,284 INFO L153 SettingsManager]: * Compute procedure contracts=false
[2024-12-02 10:54:43,284 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-12-02 10:54:43,284 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2024-12-02 10:54:43,284 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-12-02 10:54:43,284 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-12-02 10:54:43,284 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-12-02 10:54:43,284 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-12-02 10:54:43,284 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-12-02 10:54:43,284 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC
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_d45cbfc1-6e4d-4341-be3b-a6c943c56444/bin/uautomizer-verify-84ZbGMXZE1
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 -> adc521790d868e8902785ea29b51f549e45d9404af4185d7531e4ae8ae0e6ca8
[2024-12-02 10:54:43,573 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-12-02 10:54:43,584 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-12-02 10:54:43,586 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-12-02 10:54:43,588 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-12-02 10:54:43,588 INFO L274 PluginConnector]: CDTParser initialized
[2024-12-02 10:54:43,590 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d45cbfc1-6e4d-4341-be3b-a6c943c56444/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/product-lines/minepump_spec1_product08.cil.c
[2024-12-02 10:54:46,312 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d45cbfc1-6e4d-4341-be3b-a6c943c56444/bin/uautomizer-verify-84ZbGMXZE1/data/04e649482/1e1d7195edd0414bb68bd2eda73888a7/FLAGe52bb5d04
[2024-12-02 10:54:46,503 INFO L384 CDTParser]: Found 1 translation units.
[2024-12-02 10:54:46,503 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d45cbfc1-6e4d-4341-be3b-a6c943c56444/sv-benchmarks/c/product-lines/minepump_spec1_product08.cil.c
[2024-12-02 10:54:46,514 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d45cbfc1-6e4d-4341-be3b-a6c943c56444/bin/uautomizer-verify-84ZbGMXZE1/data/04e649482/1e1d7195edd0414bb68bd2eda73888a7/FLAGe52bb5d04
[2024-12-02 10:54:46,528 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d45cbfc1-6e4d-4341-be3b-a6c943c56444/bin/uautomizer-verify-84ZbGMXZE1/data/04e649482/1e1d7195edd0414bb68bd2eda73888a7
[2024-12-02 10:54:46,530 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-12-02 10:54:46,531 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-12-02 10:54:46,532 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-12-02 10:54:46,532 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-12-02 10:54:46,536 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-12-02 10:54:46,537 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:54:46" (1/1) ...
[2024-12-02 10:54:46,538 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2bb84e16 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:54:46, skipping insertion in model container
[2024-12-02 10:54:46,538 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:54:46" (1/1) ...
[2024-12-02 10:54:46,564 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-12-02 10:54:46,779 WARN L250 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_d45cbfc1-6e4d-4341-be3b-a6c943c56444/sv-benchmarks/c/product-lines/minepump_spec1_product08.cil.c[14923,14936]
[2024-12-02 10:54:46,792 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-12-02 10:54:46,802 INFO L200 MainTranslator]: Completed pre-run
[2024-12-02 10:54:46,810 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [49]
[2024-12-02 10:54:46,812 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [124]
[2024-12-02 10:54:46,812 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [288]
[2024-12-02 10:54:46,812 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [654]
[2024-12-02 10:54:46,812 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [692]
[2024-12-02 10:54:46,812 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [701]
[2024-12-02 10:54:46,812 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification1_spec.i","") [797]
[2024-12-02 10:54:46,813 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [823]
[2024-12-02 10:54:46,852 WARN L250 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_d45cbfc1-6e4d-4341-be3b-a6c943c56444/sv-benchmarks/c/product-lines/minepump_spec1_product08.cil.c[14923,14936]
[2024-12-02 10:54:46,858 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-12-02 10:54:46,874 INFO L204 MainTranslator]: Completed translation
[2024-12-02 10:54:46,874 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:54:46 WrapperNode
[2024-12-02 10:54:46,875 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-12-02 10:54:46,875 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-12-02 10:54:46,876 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-12-02 10:54:46,876 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-12-02 10:54:46,882 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:54:46" (1/1) ...
[2024-12-02 10:54:46,891 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:54:46" (1/1) ...
[2024-12-02 10:54:46,908 INFO L138 Inliner]: procedures = 52, calls = 95, calls flagged for inlining = 19, calls inlined = 16, statements flattened = 153
[2024-12-02 10:54:46,909 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-12-02 10:54:46,909 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-12-02 10:54:46,909 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-12-02 10:54:46,909 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-12-02 10:54:46,918 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:54:46" (1/1) ...
[2024-12-02 10:54:46,918 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:54:46" (1/1) ...
[2024-12-02 10:54:46,919 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:54:46" (1/1) ...
[2024-12-02 10:54:46,931 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].
[2024-12-02 10:54:46,931 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:54:46" (1/1) ...
[2024-12-02 10:54:46,932 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:54:46" (1/1) ...
[2024-12-02 10:54:46,935 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:54:46" (1/1) ...
[2024-12-02 10:54:46,936 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:54:46" (1/1) ...
[2024-12-02 10:54:46,939 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:54:46" (1/1) ...
[2024-12-02 10:54:46,940 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:54:46" (1/1) ...
[2024-12-02 10:54:46,940 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:54:46" (1/1) ...
[2024-12-02 10:54:46,942 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-12-02 10:54:46,943 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-12-02 10:54:46,943 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-12-02 10:54:46,943 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-12-02 10:54:46,944 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:54:46" (1/1) ...
[2024-12-02 10:54:46,950 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 10:54:46,962 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d45cbfc1-6e4d-4341-be3b-a6c943c56444/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 10:54:46,973 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d45cbfc1-6e4d-4341-be3b-a6c943c56444/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-12-02 10:54:46,975 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d45cbfc1-6e4d-4341-be3b-a6c943c56444/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-12-02 10:54:46,993 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-12-02 10:54:46,993 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base
[2024-12-02 10:54:46,994 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base
[2024-12-02 10:54:46,994 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical
[2024-12-02 10:54:46,994 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical
[2024-12-02 10:54:46,994 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup
[2024-12-02 10:54:46,994 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup
[2024-12-02 10:54:46,994 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift
[2024-12-02 10:54:46,994 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift
[2024-12-02 10:54:46,994 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise
[2024-12-02 10:54:46,994 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise
[2024-12-02 10:54:46,994 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump
[2024-12-02 10:54:46,994 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump
[2024-12-02 10:54:46,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-12-02 10:54:46,995 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel
[2024-12-02 10:54:46,995 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel
[2024-12-02 10:54:46,995 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-12-02 10:54:46,995 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-12-02 10:54:47,051 INFO L234 CfgBuilder]: Building ICFG
[2024-12-02 10:54:47,053 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-12-02 10:54:47,236 INFO L? ?]: Removed 30 outVars from TransFormulas that were not future-live.
[2024-12-02 10:54:47,236 INFO L283 CfgBuilder]: Performing block encoding
[2024-12-02 10:54:47,246 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-12-02 10:54:47,246 INFO L312 CfgBuilder]: Removed 4 assume(true) statements.
[2024-12-02 10:54:47,247 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:54:47 BoogieIcfgContainer
[2024-12-02 10:54:47,247 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-12-02 10:54:47,249 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-12-02 10:54:47,249 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-12-02 10:54:47,254 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-12-02 10:54:47,254 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 10:54:46" (1/3) ...
[2024-12-02 10:54:47,255 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@86f7dd2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 10:54:47, skipping insertion in model container
[2024-12-02 10:54:47,255 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:54:46" (2/3) ...
[2024-12-02 10:54:47,255 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@86f7dd2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 10:54:47, skipping insertion in model container
[2024-12-02 10:54:47,255 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:54:47" (3/3) ...
[2024-12-02 10:54:47,256 INFO L128 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product08.cil.c
[2024-12-02 10:54:47,271 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-12-02 10:54:47,272 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG minepump_spec1_product08.cil.c that has 8 procedures, 78 locations, 1 initial locations, 2 loop locations, and 1 error locations.
[2024-12-02 10:54:47,326 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-12-02 10:54:47,337 INFO L333 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, 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;@4ec94694, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-12-02 10:54:47,337 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-12-02 10:54:47,341 INFO L276 IsEmpty]: Start isEmpty. Operand has 78 states, 57 states have (on average 1.3859649122807018) internal successors, (79), 64 states have internal predecessors, (79), 12 states have call successors, (12), 7 states have call predecessors, (12), 7 states have return successors, (12), 10 states have call predecessors, (12), 12 states have call successors, (12)
[2024-12-02 10:54:47,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24
[2024-12-02 10:54:47,349 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 10:54:47,349 INFO L218 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]
[2024-12-02 10:54:47,349 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 10:54:47,354 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 10:54:47,355 INFO L85 PathProgramCache]: Analyzing trace with hash 652889368, now seen corresponding path program 1 times
[2024-12-02 10:54:47,362 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 10:54:47,362 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1669205391]
[2024-12-02 10:54:47,362 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 10:54:47,363 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 10:54:47,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 10:54:47,566 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 10:54:47,566 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 10:54:47,567 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1669205391]
[2024-12-02 10:54:47,567 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1669205391] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 10:54:47,567 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 10:54:47,568 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-12-02 10:54:47,569 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [832253884]
[2024-12-02 10:54:47,569 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 10:54:47,573 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 10:54:47,573 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 10:54:47,588 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 10:54:47,589 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 10:54:47,590 INFO L87 Difference]: Start difference. First operand has 78 states, 57 states have (on average 1.3859649122807018) internal successors, (79), 64 states have internal predecessors, (79), 12 states have call successors, (12), 7 states have call predecessors, (12), 7 states have return successors, (12), 10 states have call predecessors, (12), 12 states have call successors, (12) Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 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)
[2024-12-02 10:54:47,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 10:54:47,616 INFO L93 Difference]: Finished difference Result 136 states and 181 transitions.
[2024-12-02 10:54:47,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-02 10:54:47,618 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 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 23
[2024-12-02 10:54:47,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 10:54:47,623 INFO L225 Difference]: With dead ends: 136
[2024-12-02 10:54:47,623 INFO L226 Difference]: Without dead ends: 61
[2024-12-02 10:54:47,626 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 10:54:47,628 INFO L435 NwaCegarLoop]: 80 mSDtfsCounter, 17 mSDsluCounter, 59 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 139 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 10:54:47,628 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 139 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 10:54:47,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states.
[2024-12-02 10:54:47,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61.
[2024-12-02 10:54:47,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61 states, 45 states have (on average 1.3111111111111111) internal successors, (59), 51 states have internal predecessors, (59), 9 states have call successors, (9), 6 states have call predecessors, (9), 6 states have return successors, (9), 7 states have call predecessors, (9), 9 states have call successors, (9)
[2024-12-02 10:54:47,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 77 transitions.
[2024-12-02 10:54:47,657 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 77 transitions. Word has length 23
[2024-12-02 10:54:47,657 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 10:54:47,657 INFO L471 AbstractCegarLoop]: Abstraction has 61 states and 77 transitions.
[2024-12-02 10:54:47,657 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 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)
[2024-12-02 10:54:47,657 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 77 transitions.
[2024-12-02 10:54:47,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29
[2024-12-02 10:54:47,659 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 10:54:47,659 INFO L218 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, 1, 1, 1, 1]
[2024-12-02 10:54:47,659 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-12-02 10:54:47,659 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 10:54:47,660 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 10:54:47,660 INFO L85 PathProgramCache]: Analyzing trace with hash 1834564097, now seen corresponding path program 1 times
[2024-12-02 10:54:47,660 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 10:54:47,660 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1831890039]
[2024-12-02 10:54:47,660 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 10:54:47,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 10:54:47,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 10:54:47,792 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 10:54:47,792 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 10:54:47,792 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1831890039]
[2024-12-02 10:54:47,792 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1831890039] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 10:54:47,792 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 10:54:47,792 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 10:54:47,792 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [712637958]
[2024-12-02 10:54:47,793 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 10:54:47,793 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 10:54:47,794 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 10:54:47,794 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 10:54:47,794 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-12-02 10:54:47,794 INFO L87 Difference]: Start difference. First operand 61 states and 77 transitions. Second operand has 5 states, 5 states have (on average 5.0) internal successors, (25), 5 states have internal predecessors, (25), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2024-12-02 10:54:47,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 10:54:47,856 INFO L93 Difference]: Finished difference Result 156 states and 201 transitions.
[2024-12-02 10:54:47,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-12-02 10:54:47,856 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.0) internal successors, (25), 5 states have internal predecessors, (25), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 28
[2024-12-02 10:54:47,857 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 10:54:47,858 INFO L225 Difference]: With dead ends: 156
[2024-12-02 10:54:47,858 INFO L226 Difference]: Without dead ends: 102
[2024-12-02 10:54:47,859 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42
[2024-12-02 10:54:47,860 INFO L435 NwaCegarLoop]: 87 mSDtfsCounter, 70 mSDsluCounter, 221 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 70 SdHoareTripleChecker+Valid, 308 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 10:54:47,860 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [70 Valid, 308 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 10:54:47,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states.
[2024-12-02 10:54:47,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 99.
[2024-12-02 10:54:47,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99 states, 73 states have (on average 1.3424657534246576) internal successors, (98), 82 states have internal predecessors, (98), 14 states have call successors, (14), 11 states have call predecessors, (14), 11 states have return successors, (15), 11 states have call predecessors, (15), 14 states have call successors, (15)
[2024-12-02 10:54:47,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 127 transitions.
[2024-12-02 10:54:47,877 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 127 transitions. Word has length 28
[2024-12-02 10:54:47,877 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 10:54:47,877 INFO L471 AbstractCegarLoop]: Abstraction has 99 states and 127 transitions.
[2024-12-02 10:54:47,877 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.0) internal successors, (25), 5 states have internal predecessors, (25), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2024-12-02 10:54:47,878 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 127 transitions.
[2024-12-02 10:54:47,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32
[2024-12-02 10:54:47,879 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 10:54:47,879 INFO L218 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, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 10:54:47,879 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-12-02 10:54:47,879 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 10:54:47,879 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 10:54:47,879 INFO L85 PathProgramCache]: Analyzing trace with hash 264744424, now seen corresponding path program 1 times
[2024-12-02 10:54:47,880 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 10:54:47,880 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [561100676]
[2024-12-02 10:54:47,880 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 10:54:47,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 10:54:47,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 10:54:47,992 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 10:54:47,992 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 10:54:47,992 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [561100676]
[2024-12-02 10:54:47,992 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [561100676] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 10:54:47,992 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 10:54:47,992 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 10:54:47,992 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [718574605]
[2024-12-02 10:54:47,992 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 10:54:47,993 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 10:54:47,993 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 10:54:47,993 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 10:54:47,993 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-12-02 10:54:47,994 INFO L87 Difference]: Start difference. First operand 99 states and 127 transitions. Second operand has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 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)
[2024-12-02 10:54:48,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 10:54:48,048 INFO L93 Difference]: Finished difference Result 171 states and 225 transitions.
[2024-12-02 10:54:48,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-12-02 10:54:48,049 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 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 31
[2024-12-02 10:54:48,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 10:54:48,049 INFO L225 Difference]: With dead ends: 171
[2024-12-02 10:54:48,049 INFO L226 Difference]: Without dead ends: 0
[2024-12-02 10:54:48,050 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42
[2024-12-02 10:54:48,051 INFO L435 NwaCegarLoop]: 49 mSDtfsCounter, 31 mSDsluCounter, 96 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 145 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 10:54:48,051 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 145 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 10:54:48,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2024-12-02 10:54:48,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2024-12-02 10:54:48,052 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)
[2024-12-02 10:54:48,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2024-12-02 10:54:48,052 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 31
[2024-12-02 10:54:48,052 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 10:54:48,053 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2024-12-02 10:54:48,053 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 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)
[2024-12-02 10:54:48,053 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2024-12-02 10:54:48,053 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2024-12-02 10:54:48,055 INFO L782 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining)
[2024-12-02 10:54:48,056 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-12-02 10:54:48,057 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1]
[2024-12-02 10:54:48,059 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2024-12-02 10:54:48,312 INFO L170 ceAbstractionStarter]: Computing trace abstraction results
[2024-12-02 10:54:48,324 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 10:54:48 BoogieIcfgContainer
[2024-12-02 10:54:48,324 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-12-02 10:54:48,324 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2024-12-02 10:54:48,325 INFO L270 PluginConnector]: Initializing Witness Printer...
[2024-12-02 10:54:48,325 INFO L274 PluginConnector]: Witness Printer initialized
[2024-12-02 10:54:48,325 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:54:47" (3/4) ...
[2024-12-02 10:54:48,327 INFO L146 WitnessPrinter]: Generating witness for correct program
[2024-12-02 10:54:48,332 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump
[2024-12-02 10:54:48,332 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base
[2024-12-02 10:54:48,332 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel
[2024-12-02 10:54:48,332 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical
[2024-12-02 10:54:48,332 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup
[2024-12-02 10:54:48,332 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift
[2024-12-02 10:54:48,332 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise
[2024-12-02 10:54:48,337 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges
[2024-12-02 10:54:48,337 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges
[2024-12-02 10:54:48,337 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges
[2024-12-02 10:54:48,338 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2024-12-02 10:54:48,338 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2024-12-02 10:54:48,426 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d45cbfc1-6e4d-4341-be3b-a6c943c56444/bin/uautomizer-verify-84ZbGMXZE1/witness.graphml
[2024-12-02 10:54:48,426 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d45cbfc1-6e4d-4341-be3b-a6c943c56444/bin/uautomizer-verify-84ZbGMXZE1/witness.yml
[2024-12-02 10:54:48,427 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-12-02 10:54:48,427 INFO L158 Benchmark]: Toolchain (without parser) took 1896.14ms. Allocated memory is still 117.4MB. Free memory was 91.9MB in the beginning and 87.7MB in the end (delta: 4.2MB). Peak memory consumption was 68.7MB. Max. memory is 16.1GB.
[2024-12-02 10:54:48,428 INFO L158 Benchmark]: CDTParser took 0.43ms. Allocated memory is still 117.4MB. Free memory was 72.2MB in the beginning and 72.1MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB.
[2024-12-02 10:54:48,428 INFO L158 Benchmark]: CACSL2BoogieTranslator took 342.80ms. Allocated memory is still 117.4MB. Free memory was 91.7MB in the beginning and 73.5MB in the end (delta: 18.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
[2024-12-02 10:54:48,428 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.32ms. Allocated memory is still 117.4MB. Free memory was 73.5MB in the beginning and 71.8MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-12-02 10:54:48,428 INFO L158 Benchmark]: Boogie Preprocessor took 33.30ms. Allocated memory is still 117.4MB. Free memory was 71.8MB in the beginning and 70.2MB in the end (delta: 1.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-12-02 10:54:48,429 INFO L158 Benchmark]: RCFGBuilder took 303.59ms. Allocated memory is still 117.4MB. Free memory was 70.2MB in the beginning and 55.5MB in the end (delta: 14.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-12-02 10:54:48,429 INFO L158 Benchmark]: TraceAbstraction took 1074.94ms. Allocated memory is still 117.4MB. Free memory was 54.9MB in the beginning and 36.6MB in the end (delta: 18.3MB). Peak memory consumption was 21.7MB. Max. memory is 16.1GB.
[2024-12-02 10:54:48,429 INFO L158 Benchmark]: Witness Printer took 102.11ms. Allocated memory is still 117.4MB. Free memory was 36.6MB in the beginning and 87.7MB in the end (delta: -51.1MB). Peak memory consumption was 13.5MB. Max. memory is 16.1GB.
[2024-12-02 10:54:48,431 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.43ms. Allocated memory is still 117.4MB. Free memory was 72.2MB in the beginning and 72.1MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 342.80ms. Allocated memory is still 117.4MB. Free memory was 91.7MB in the beginning and 73.5MB in the end (delta: 18.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 33.32ms. Allocated memory is still 117.4MB. Free memory was 73.5MB in the beginning and 71.8MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB.
* Boogie Preprocessor took 33.30ms. Allocated memory is still 117.4MB. Free memory was 71.8MB in the beginning and 70.2MB in the end (delta: 1.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* RCFGBuilder took 303.59ms. Allocated memory is still 117.4MB. Free memory was 70.2MB in the beginning and 55.5MB in the end (delta: 14.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* TraceAbstraction took 1074.94ms. Allocated memory is still 117.4MB. Free memory was 54.9MB in the beginning and 36.6MB in the end (delta: 18.3MB). Peak memory consumption was 21.7MB. Max. memory is 16.1GB.
* Witness Printer took 102.11ms. Allocated memory is still 117.4MB. Free memory was 36.6MB in the beginning and 87.7MB in the end (delta: -51.1MB). Peak memory consumption was 13.5MB. 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: 124]: Unsoundness Warning
Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [124]
- GenericResultAtLocation [Line: 288]: Unsoundness Warning
Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [288]
- GenericResultAtLocation [Line: 654]: Unsoundness Warning
Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [654]
- GenericResultAtLocation [Line: 692]: Unsoundness Warning
Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [692]
- GenericResultAtLocation [Line: 701]: Unsoundness Warning
Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [701]
- GenericResultAtLocation [Line: 797]: Unsoundness Warning
Ignoring preprocessor pragma C: #pragma merger(0,"Specification1_spec.i","") [797]
- GenericResultAtLocation [Line: 823]: Unsoundness Warning
Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [823]
* 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: 697]: 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 8 procedures, 78 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 122 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 118 mSDsluCounter, 592 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 376 mSDsCounter, 5 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 30 IncrementalHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5 mSolverCounterUnsat, 216 mSDtfsCounter, 30 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=99occurred in iteration=2, InterpolantAutomatonStates: 13, 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, 3 MinimizatonAttempts, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 82 NumberOfCodeBlocks, 82 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 79 ConstructedInterpolants, 0 QuantifiedInterpolants, 149 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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, ConComCheckerStatistics: No data available
- AllSpecificationsHoldResult: All specifications hold
1 specifications checked. All of them hold
- InvariantResult [Line: 713]: Loop Invariant
Derived loop invariant: 0
- InvariantResult [Line: 66]: Loop Invariant
Derived loop invariant: ((pumpRunning == 0) && (splverifierCounter == 0))
- InvariantResult [Line: 65]: Location Invariant
Derived location invariant: 0
RESULT: Ultimate proved your program to be correct!
[2024-12-02 10:54:48,448 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d45cbfc1-6e4d-4341-be3b-a6c943c56444/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0
Received shutdown request...
--- End real Ultimate output ---
Execution finished normally
Writing output log to file Ultimate.log
Result:
TRUE