./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product13.cil.c --full-output --architecture 32bit
--------------------------------------------------------------------------------
Checking for ERROR reachability
Using default analysis
Version 9bd2c7ff
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_a7fa5339-26f4-440e-aed5-fe5e14eaf4e9/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7fa5339-26f4-440e-aed5-fe5e14eaf4e9/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7fa5339-26f4-440e-aed5-fe5e14eaf4e9/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7fa5339-26f4-440e-aed5-fe5e14eaf4e9/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product13.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7fa5339-26f4-440e-aed5-fe5e14eaf4e9/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7fa5339-26f4-440e-aed5-fe5e14eaf4e9/bin/uautomizer-verify-uCwYo4JHxu --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 a318d1932a4cf515b7769fbc74b3ae8791db0dd09e5b989a4577a3be2cae3270
--- Real Ultimate output ---
This is Ultimate 0.2.3-dev-9bd2c7f
[2023-11-19 07:36:50,735 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2023-11-19 07:36:50,822 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7fa5339-26f4-440e-aed5-fe5e14eaf4e9/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-32bit-Automizer_Default.epf
[2023-11-19 07:36:50,826 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2023-11-19 07:36:50,826 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2023-11-19 07:36:50,868 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2023-11-19 07:36:50,869 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2023-11-19 07:36:50,870 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2023-11-19 07:36:50,870 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2023-11-19 07:36:50,875 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2023-11-19 07:36:50,876 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2023-11-19 07:36:50,877 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2023-11-19 07:36:50,877 INFO L153 SettingsManager]: * Use SBE=true
[2023-11-19 07:36:50,878 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-11-19 07:36:50,878 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2023-11-19 07:36:50,879 INFO L153 SettingsManager]: * sizeof long=4
[2023-11-19 07:36:50,879 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2023-11-19 07:36:50,880 INFO L153 SettingsManager]: * sizeof POINTER=4
[2023-11-19 07:36:50,880 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2023-11-19 07:36:50,881 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2023-11-19 07:36:50,882 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2023-11-19 07:36:50,883 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2023-11-19 07:36:50,884 INFO L153 SettingsManager]: * sizeof long double=12
[2023-11-19 07:36:50,884 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2023-11-19 07:36:50,885 INFO L153 SettingsManager]: * Use constant arrays=true
[2023-11-19 07:36:50,885 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-11-19 07:36:50,886 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2023-11-19 07:36:50,886 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2023-11-19 07:36:50,895 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-11-19 07:36:50,896 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-11-19 07:36:50,897 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2023-11-19 07:36:50,897 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2023-11-19 07:36:50,898 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2023-11-19 07:36:50,899 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2023-11-19 07:36:50,899 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2023-11-19 07:36:50,899 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2023-11-19 07:36:50,899 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2023-11-19 07:36:50,900 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2023-11-19 07:36:50,900 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC
[2023-11-19 07:36:50,900 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_a7fa5339-26f4-440e-aed5-fe5e14eaf4e9/bin/uautomizer-verify-uCwYo4JHxu/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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7fa5339-26f4-440e-aed5-fe5e14eaf4e9/bin/uautomizer-verify-uCwYo4JHxu
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a318d1932a4cf515b7769fbc74b3ae8791db0dd09e5b989a4577a3be2cae3270
[2023-11-19 07:36:51,164 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2023-11-19 07:36:51,197 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-11-19 07:36:51,200 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-11-19 07:36:51,202 INFO L270 PluginConnector]: Initializing CDTParser...
[2023-11-19 07:36:51,202 INFO L274 PluginConnector]: CDTParser initialized
[2023-11-19 07:36:51,204 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7fa5339-26f4-440e-aed5-fe5e14eaf4e9/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/product-lines/minepump_spec2_product13.cil.c
[2023-11-19 07:36:54,341 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2023-11-19 07:36:54,684 INFO L384 CDTParser]: Found 1 translation units.
[2023-11-19 07:36:54,685 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7fa5339-26f4-440e-aed5-fe5e14eaf4e9/sv-benchmarks/c/product-lines/minepump_spec2_product13.cil.c
[2023-11-19 07:36:54,701 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7fa5339-26f4-440e-aed5-fe5e14eaf4e9/bin/uautomizer-verify-uCwYo4JHxu/data/29b4e068b/04f1f77dcdd14811a63ed6fab694b287/FLAG2dcc8c5c5
[2023-11-19 07:36:54,715 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7fa5339-26f4-440e-aed5-fe5e14eaf4e9/bin/uautomizer-verify-uCwYo4JHxu/data/29b4e068b/04f1f77dcdd14811a63ed6fab694b287
[2023-11-19 07:36:54,721 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-11-19 07:36:54,723 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2023-11-19 07:36:54,726 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-11-19 07:36:54,727 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-11-19 07:36:54,732 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2023-11-19 07:36:54,733 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:36:54" (1/1) ...
[2023-11-19 07:36:54,734 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@662d12 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:54, skipping insertion in model container
[2023-11-19 07:36:54,734 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:36:54" (1/1) ...
[2023-11-19 07:36:54,800 INFO L177 MainTranslator]: Built tables and reachable declarations
[2023-11-19 07:36:55,000 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_a7fa5339-26f4-440e-aed5-fe5e14eaf4e9/sv-benchmarks/c/product-lines/minepump_spec2_product13.cil.c[2562,2575]
[2023-11-19 07:36:55,109 INFO L209 PostProcessor]: Analyzing one entry point: main
[2023-11-19 07:36:55,125 INFO L202 MainTranslator]: Completed pre-run
[2023-11-19 07:36:55,132 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [49]
[2023-11-19 07:36:55,134 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [118]
[2023-11-19 07:36:55,134 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [127]
[2023-11-19 07:36:55,135 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [285]
[2023-11-19 07:36:55,135 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [651]
[2023-11-19 07:36:55,135 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [689]
[2023-11-19 07:36:55,135 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification2_spec.i","") [770]
[2023-11-19 07:36:55,136 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [809]
[2023-11-19 07:36:55,142 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_a7fa5339-26f4-440e-aed5-fe5e14eaf4e9/sv-benchmarks/c/product-lines/minepump_spec2_product13.cil.c[2562,2575]
[2023-11-19 07:36:55,205 INFO L209 PostProcessor]: Analyzing one entry point: main
[2023-11-19 07:36:55,232 INFO L206 MainTranslator]: Completed translation
[2023-11-19 07:36:55,232 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:55 WrapperNode
[2023-11-19 07:36:55,233 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-11-19 07:36:55,234 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2023-11-19 07:36:55,234 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2023-11-19 07:36:55,234 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2023-11-19 07:36:55,241 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:55" (1/1) ...
[2023-11-19 07:36:55,261 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:55" (1/1) ...
[2023-11-19 07:36:55,289 INFO L138 Inliner]: procedures = 52, calls = 95, calls flagged for inlining = 19, calls inlined = 15, statements flattened = 147
[2023-11-19 07:36:55,290 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2023-11-19 07:36:55,290 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2023-11-19 07:36:55,291 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2023-11-19 07:36:55,291 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2023-11-19 07:36:55,301 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:55" (1/1) ...
[2023-11-19 07:36:55,301 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:55" (1/1) ...
[2023-11-19 07:36:55,303 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:55" (1/1) ...
[2023-11-19 07:36:55,304 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:55" (1/1) ...
[2023-11-19 07:36:55,309 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:55" (1/1) ...
[2023-11-19 07:36:55,314 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:55" (1/1) ...
[2023-11-19 07:36:55,316 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:55" (1/1) ...
[2023-11-19 07:36:55,318 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:55" (1/1) ...
[2023-11-19 07:36:55,321 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2023-11-19 07:36:55,322 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2023-11-19 07:36:55,322 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2023-11-19 07:36:55,322 INFO L274 PluginConnector]: RCFGBuilder initialized
[2023-11-19 07:36:55,323 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:55" (1/1) ...
[2023-11-19 07:36:55,329 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-11-19 07:36:55,345 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7fa5339-26f4-440e-aed5-fe5e14eaf4e9/bin/uautomizer-verify-uCwYo4JHxu/z3
[2023-11-19 07:36:55,358 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7fa5339-26f4-440e-aed5-fe5e14eaf4e9/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2023-11-19 07:36:55,404 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7fa5339-26f4-440e-aed5-fe5e14eaf4e9/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2023-11-19 07:36:55,417 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2023-11-19 07:36:55,418 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical
[2023-11-19 07:36:55,419 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical
[2023-11-19 07:36:55,419 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup
[2023-11-19 07:36:55,421 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup
[2023-11-19 07:36:55,421 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift
[2023-11-19 07:36:55,422 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift
[2023-11-19 07:36:55,422 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise
[2023-11-19 07:36:55,422 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise
[2023-11-19 07:36:55,423 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery
[2023-11-19 07:36:55,423 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery
[2023-11-19 07:36:55,423 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm
[2023-11-19 07:36:55,423 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm
[2023-11-19 07:36:55,423 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2023-11-19 07:36:55,423 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel
[2023-11-19 07:36:55,424 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel
[2023-11-19 07:36:55,425 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2023-11-19 07:36:55,425 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2023-11-19 07:36:55,508 INFO L236 CfgBuilder]: Building ICFG
[2023-11-19 07:36:55,511 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation
[2023-11-19 07:36:55,762 INFO L277 CfgBuilder]: Performing block encoding
[2023-11-19 07:36:55,772 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2023-11-19 07:36:55,772 INFO L302 CfgBuilder]: Removed 2 assume(true) statements.
[2023-11-19 07:36:55,776 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:36:55 BoogieIcfgContainer
[2023-11-19 07:36:55,776 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2023-11-19 07:36:55,779 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2023-11-19 07:36:55,780 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2023-11-19 07:36:55,783 INFO L274 PluginConnector]: TraceAbstraction initialized
[2023-11-19 07:36:55,783 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:36:54" (1/3) ...
[2023-11-19 07:36:55,791 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27ec9a12 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:36:55, skipping insertion in model container
[2023-11-19 07:36:55,791 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:55" (2/3) ...
[2023-11-19 07:36:55,792 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27ec9a12 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:36:55, skipping insertion in model container
[2023-11-19 07:36:55,792 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:36:55" (3/3) ...
[2023-11-19 07:36:55,793 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product13.cil.c
[2023-11-19 07:36:55,812 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2023-11-19 07:36:55,812 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2023-11-19 07:36:55,885 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2023-11-19 07:36:55,892 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;@560efef0, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=<UNSUPPORTED>, UseSemiCommutativity=<UNSUPPORTED>, Solver=<NOT_USED>, SolverTimeout=<NOT_USED>]
[2023-11-19 07:36:55,892 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2023-11-19 07:36:55,896 INFO L276 IsEmpty]: Start isEmpty. Operand has 78 states, 58 states have (on average 1.3793103448275863) internal successors, (80), 64 states have internal predecessors, (80), 11 states have call successors, (11), 7 states have call predecessors, (11), 7 states have return successors, (11), 10 states have call predecessors, (11), 11 states have call successors, (11)
[2023-11-19 07:36:55,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26
[2023-11-19 07:36:55,905 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-19 07:36:55,906 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, 1]
[2023-11-19 07:36:55,906 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-19 07:36:55,911 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:36:55,912 INFO L85 PathProgramCache]: Analyzing trace with hash -1316442622, now seen corresponding path program 1 times
[2023-11-19 07:36:55,920 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:36:55,920 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [747453855]
[2023-11-19 07:36:55,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:36:55,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:36:56,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:36:56,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15
[2023-11-19 07:36:56,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:36:56,119 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 07:36:56,120 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:36:56,120 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [747453855]
[2023-11-19 07:36:56,121 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [747453855] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:36:56,121 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:36:56,121 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-11-19 07:36:56,123 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1791170982]
[2023-11-19 07:36:56,124 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:36:56,128 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2023-11-19 07:36:56,128 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:36:56,165 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2023-11-19 07:36:56,165 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2023-11-19 07:36:56,167 INFO L87 Difference]: Start difference. First operand has 78 states, 58 states have (on average 1.3793103448275863) internal successors, (80), 64 states have internal predecessors, (80), 11 states have call successors, (11), 7 states have call predecessors, (11), 7 states have return successors, (11), 10 states have call predecessors, (11), 11 states have call successors, (11) Second operand has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 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)
[2023-11-19 07:36:56,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 07:36:56,199 INFO L93 Difference]: Finished difference Result 147 states and 198 transitions.
[2023-11-19 07:36:56,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2023-11-19 07:36:56,201 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 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 25
[2023-11-19 07:36:56,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 07:36:56,211 INFO L225 Difference]: With dead ends: 147
[2023-11-19 07:36:56,211 INFO L226 Difference]: Without dead ends: 69
[2023-11-19 07:36:56,215 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
[2023-11-19 07:36:56,220 INFO L413 NwaCegarLoop]: 96 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 96 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2023-11-19 07:36:56,242 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 96 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-11-19 07:36:56,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states.
[2023-11-19 07:36:56,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 69.
[2023-11-19 07:36:56,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 51 states have (on average 1.2941176470588236) internal successors, (66), 56 states have internal predecessors, (66), 11 states have call successors, (11), 7 states have call predecessors, (11), 6 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10)
[2023-11-19 07:36:56,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 87 transitions.
[2023-11-19 07:36:56,285 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 87 transitions. Word has length 25
[2023-11-19 07:36:56,285 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-19 07:36:56,285 INFO L495 AbstractCegarLoop]: Abstraction has 69 states and 87 transitions.
[2023-11-19 07:36:56,286 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 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)
[2023-11-19 07:36:56,286 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 87 transitions.
[2023-11-19 07:36:56,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27
[2023-11-19 07:36:56,289 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-19 07:36:56,289 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, 1, 1]
[2023-11-19 07:36:56,289 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2023-11-19 07:36:56,289 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-19 07:36:56,290 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:36:56,290 INFO L85 PathProgramCache]: Analyzing trace with hash 1302489564, now seen corresponding path program 1 times
[2023-11-19 07:36:56,291 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:36:56,291 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1280743795]
[2023-11-19 07:36:56,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:36:56,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:36:56,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:36:56,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16
[2023-11-19 07:36:56,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:36:56,408 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 07:36:56,409 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:36:56,409 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1280743795]
[2023-11-19 07:36:56,409 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1280743795] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:36:56,409 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:36:56,410 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2023-11-19 07:36:56,410 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [135930056]
[2023-11-19 07:36:56,410 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:36:56,411 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-11-19 07:36:56,411 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:36:56,412 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-11-19 07:36:56,412 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-19 07:36:56,413 INFO L87 Difference]: Start difference. First operand 69 states and 87 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 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)
[2023-11-19 07:36:56,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 07:36:56,428 INFO L93 Difference]: Finished difference Result 103 states and 129 transitions.
[2023-11-19 07:36:56,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2023-11-19 07:36:56,429 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 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 26
[2023-11-19 07:36:56,429 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 07:36:56,431 INFO L225 Difference]: With dead ends: 103
[2023-11-19 07:36:56,431 INFO L226 Difference]: Without dead ends: 60
[2023-11-19 07:36:56,432 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
[2023-11-19 07:36:56,434 INFO L413 NwaCegarLoop]: 74 mSDtfsCounter, 12 mSDsluCounter, 58 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 132 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
[2023-11-19 07:36:56,434 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 132 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-11-19 07:36:56,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states.
[2023-11-19 07:36:56,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60.
[2023-11-19 07:36:56,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60 states, 45 states have (on average 1.3111111111111111) internal successors, (59), 50 states have internal predecessors, (59), 8 states have call successors, (8), 6 states have call predecessors, (8), 6 states have return successors, (8), 7 states have call predecessors, (8), 8 states have call successors, (8)
[2023-11-19 07:36:56,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 75 transitions.
[2023-11-19 07:36:56,459 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 75 transitions. Word has length 26
[2023-11-19 07:36:56,459 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-19 07:36:56,460 INFO L495 AbstractCegarLoop]: Abstraction has 60 states and 75 transitions.
[2023-11-19 07:36:56,460 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 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)
[2023-11-19 07:36:56,460 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 75 transitions.
[2023-11-19 07:36:56,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31
[2023-11-19 07:36:56,464 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-19 07:36:56,465 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, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:36:56,465 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2023-11-19 07:36:56,465 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-19 07:36:56,466 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:36:56,468 INFO L85 PathProgramCache]: Analyzing trace with hash -885310492, now seen corresponding path program 1 times
[2023-11-19 07:36:56,468 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:36:56,468 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2061523215]
[2023-11-19 07:36:56,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:36:56,469 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:36:56,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:36:56,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20
[2023-11-19 07:36:56,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:36:56,687 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 07:36:56,687 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:36:56,687 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2061523215]
[2023-11-19 07:36:56,687 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2061523215] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:36:56,688 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:36:56,688 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2023-11-19 07:36:56,688 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [837408266]
[2023-11-19 07:36:56,688 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:36:56,689 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2023-11-19 07:36:56,689 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:36:56,690 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2023-11-19 07:36:56,690 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30
[2023-11-19 07:36:56,690 INFO L87 Difference]: Start difference. First operand 60 states and 75 transitions. Second operand has 6 states, 6 states have (on average 4.5) internal successors, (27), 6 states have internal predecessors, (27), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2023-11-19 07:36:56,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 07:36:56,807 INFO L93 Difference]: Finished difference Result 112 states and 143 transitions.
[2023-11-19 07:36:56,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2023-11-19 07:36:56,808 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.5) internal successors, (27), 6 states have internal predecessors, (27), 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 30
[2023-11-19 07:36:56,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 07:36:56,810 INFO L225 Difference]: With dead ends: 112
[2023-11-19 07:36:56,810 INFO L226 Difference]: Without dead ends: 60
[2023-11-19 07:36:56,811 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56
[2023-11-19 07:36:56,813 INFO L413 NwaCegarLoop]: 68 mSDtfsCounter, 101 mSDsluCounter, 76 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 101 SdHoareTripleChecker+Valid, 144 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2023-11-19 07:36:56,814 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [101 Valid, 144 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2023-11-19 07:36:56,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states.
[2023-11-19 07:36:56,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60.
[2023-11-19 07:36:56,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60 states, 45 states have (on average 1.288888888888889) internal successors, (58), 50 states have internal predecessors, (58), 8 states have call successors, (8), 6 states have call predecessors, (8), 6 states have return successors, (8), 7 states have call predecessors, (8), 8 states have call successors, (8)
[2023-11-19 07:36:56,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 74 transitions.
[2023-11-19 07:36:56,825 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 74 transitions. Word has length 30
[2023-11-19 07:36:56,826 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-19 07:36:56,826 INFO L495 AbstractCegarLoop]: Abstraction has 60 states and 74 transitions.
[2023-11-19 07:36:56,826 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.5) internal successors, (27), 6 states have internal predecessors, (27), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2023-11-19 07:36:56,827 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 74 transitions.
[2023-11-19 07:36:56,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36
[2023-11-19 07:36:56,828 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-19 07:36:56,828 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:36:56,829 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2023-11-19 07:36:56,829 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-19 07:36:56,829 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:36:56,830 INFO L85 PathProgramCache]: Analyzing trace with hash 1457313082, now seen corresponding path program 1 times
[2023-11-19 07:36:56,830 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:36:56,830 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1932184929]
[2023-11-19 07:36:56,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:36:56,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:36:56,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:36:57,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20
[2023-11-19 07:36:57,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:36:57,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25
[2023-11-19 07:36:57,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:36:57,051 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 07:36:57,052 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:36:57,052 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1932184929]
[2023-11-19 07:36:57,052 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1932184929] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:36:57,053 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:36:57,054 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2023-11-19 07:36:57,054 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [390784867]
[2023-11-19 07:36:57,054 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:36:57,055 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2023-11-19 07:36:57,056 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:36:57,057 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2023-11-19 07:36:57,057 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2023-11-19 07:36:57,058 INFO L87 Difference]: Start difference. First operand 60 states and 74 transitions. Second operand has 5 states, 5 states have (on average 6.0) internal successors, (30), 5 states have internal predecessors, (30), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2023-11-19 07:36:57,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 07:36:57,137 INFO L93 Difference]: Finished difference Result 100 states and 125 transitions.
[2023-11-19 07:36:57,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2023-11-19 07:36:57,138 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.0) internal successors, (30), 5 states have internal predecessors, (30), 1 states have call successors, (3), 2 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 35
[2023-11-19 07:36:57,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 07:36:57,142 INFO L225 Difference]: With dead ends: 100
[2023-11-19 07:36:57,142 INFO L226 Difference]: Without dead ends: 0
[2023-11-19 07:36:57,143 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42
[2023-11-19 07:36:57,145 INFO L413 NwaCegarLoop]: 50 mSDtfsCounter, 32 mSDsluCounter, 95 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 145 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2023-11-19 07:36:57,147 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 145 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-11-19 07:36:57,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2023-11-19 07:36:57,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2023-11-19 07:36:57,148 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)
[2023-11-19 07:36:57,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2023-11-19 07:36:57,149 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 35
[2023-11-19 07:36:57,149 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-19 07:36:57,149 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2023-11-19 07:36:57,150 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.0) internal successors, (30), 5 states have internal predecessors, (30), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2023-11-19 07:36:57,150 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2023-11-19 07:36:57,150 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2023-11-19 07:36:57,152 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining)
[2023-11-19 07:36:57,153 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2023-11-19 07:36:57,155 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2023-11-19 07:36:57,274 INFO L899 garLoopResultBuilder]: For program point L721-1(lines 717 728) no Hoare annotation was computed.
[2023-11-19 07:36:57,274 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 717 728) the Hoare annotation is: true
[2023-11-19 07:36:57,274 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 717 728) no Hoare annotation was computed.
[2023-11-19 07:36:57,275 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 729 737) the Hoare annotation is: true
[2023-11-19 07:36:57,275 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalFINAL(lines 729 737) no Hoare annotation was computed.
[2023-11-19 07:36:57,275 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 729 737) no Hoare annotation was computed.
[2023-11-19 07:36:57,275 INFO L899 garLoopResultBuilder]: For program point L832(line 832) no Hoare annotation was computed.
[2023-11-19 07:36:57,275 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 811 840) no Hoare annotation was computed.
[2023-11-19 07:36:57,276 INFO L899 garLoopResultBuilder]: For program point L825(lines 825 829) no Hoare annotation was computed.
[2023-11-19 07:36:57,276 INFO L902 garLoopResultBuilder]: At program point L825-1(lines 825 829) the Hoare annotation is: true
[2023-11-19 07:36:57,276 INFO L899 garLoopResultBuilder]: For program point L822(line 822) no Hoare annotation was computed.
[2023-11-19 07:36:57,276 INFO L902 garLoopResultBuilder]: At program point L821-2(lines 821 835) the Hoare annotation is: true
[2023-11-19 07:36:57,277 INFO L902 garLoopResultBuilder]: At program point L817(line 817) the Hoare annotation is: true
[2023-11-19 07:36:57,277 INFO L899 garLoopResultBuilder]: For program point L817-1(line 817) no Hoare annotation was computed.
[2023-11-19 07:36:57,277 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 811 840) the Hoare annotation is: true
[2023-11-19 07:36:57,277 INFO L899 garLoopResultBuilder]: For program point L836(lines 811 840) no Hoare annotation was computed.
[2023-11-19 07:36:57,277 INFO L899 garLoopResultBuilder]: For program point L143-1(lines 142 161) no Hoare annotation was computed.
[2023-11-19 07:36:57,278 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 139 162) no Hoare annotation was computed.
[2023-11-19 07:36:57,278 INFO L899 garLoopResultBuilder]: For program point L123(line 123) no Hoare annotation was computed.
[2023-11-19 07:36:57,278 INFO L899 garLoopResultBuilder]: For program point L697(lines 697 701) no Hoare annotation was computed.
[2023-11-19 07:36:57,278 INFO L895 garLoopResultBuilder]: At program point L185(line 185) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0)))
[2023-11-19 07:36:57,279 INFO L899 garLoopResultBuilder]: For program point L792(lines 792 802) no Hoare annotation was computed.
[2023-11-19 07:36:57,279 INFO L899 garLoopResultBuilder]: For program point L697-2(lines 693 704) no Hoare annotation was computed.
[2023-11-19 07:36:57,279 INFO L899 garLoopResultBuilder]: For program point L788(lines 788 805) no Hoare annotation was computed.
[2023-11-19 07:36:57,279 INFO L899 garLoopResultBuilder]: For program point L788-1(lines 780 808) no Hoare annotation was computed.
[2023-11-19 07:36:57,279 INFO L895 garLoopResultBuilder]: At program point L177(line 177) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0)))
[2023-11-19 07:36:57,280 INFO L899 garLoopResultBuilder]: For program point L177-1(line 177) no Hoare annotation was computed.
[2023-11-19 07:36:57,280 INFO L895 garLoopResultBuilder]: At program point L190(line 190) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= 1 ~systemActive~0)))
[2023-11-19 07:36:57,280 INFO L899 garLoopResultBuilder]: For program point L190-1(lines 171 195) no Hoare annotation was computed.
[2023-11-19 07:36:57,280 INFO L899 garLoopResultBuilder]: For program point L793(lines 793 799) no Hoare annotation was computed.
[2023-11-19 07:36:57,280 INFO L899 garLoopResultBuilder]: For program point __automaton_fail_returnLabel#1(lines 119 126) no Hoare annotation was computed.
[2023-11-19 07:36:57,281 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 139 162) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= 1 ~systemActive~0)))
[2023-11-19 07:36:57,281 INFO L899 garLoopResultBuilder]: For program point deactivatePump_returnLabel#1(lines 221 228) no Hoare annotation was computed.
[2023-11-19 07:36:57,281 INFO L899 garLoopResultBuilder]: For program point L150-1(lines 150 156) no Hoare annotation was computed.
[2023-11-19 07:36:57,281 INFO L899 garLoopResultBuilder]: For program point L179(lines 179 187) no Hoare annotation was computed.
[2023-11-19 07:36:57,282 INFO L895 garLoopResultBuilder]: At program point L786(line 786) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= 1 ~systemActive~0)))
[2023-11-19 07:36:57,282 INFO L899 garLoopResultBuilder]: For program point L786-1(line 786) no Hoare annotation was computed.
[2023-11-19 07:36:57,282 INFO L899 garLoopResultBuilder]: For program point L175(lines 175 192) no Hoare annotation was computed.
[2023-11-19 07:36:57,282 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 139 162) no Hoare annotation was computed.
[2023-11-19 07:36:57,282 INFO L899 garLoopResultBuilder]: For program point isPumpRunning_returnLabel#1(lines 240 248) no Hoare annotation was computed.
[2023-11-19 07:36:57,283 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 123) no Hoare annotation was computed.
[2023-11-19 07:36:57,283 INFO L899 garLoopResultBuilder]: For program point runTest_returnLabel#1(lines 872 882) no Hoare annotation was computed.
[2023-11-19 07:36:57,283 INFO L895 garLoopResultBuilder]: At program point L110(lines 63 111) the Hoare annotation is: false
[2023-11-19 07:36:57,283 INFO L899 garLoopResultBuilder]: For program point select_features_returnLabel#1(lines 666 672) no Hoare annotation was computed.
[2023-11-19 07:36:57,284 INFO L899 garLoopResultBuilder]: For program point main_returnLabel#1(lines 883 905) no Hoare annotation was computed.
[2023-11-19 07:36:57,284 INFO L899 garLoopResultBuilder]: For program point L65(lines 64 109) no Hoare annotation was computed.
[2023-11-19 07:36:57,284 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed.
[2023-11-19 07:36:57,284 INFO L899 garLoopResultBuilder]: For program point L94(lines 94 105) no Hoare annotation was computed.
[2023-11-19 07:36:57,284 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed.
[2023-11-19 07:36:57,285 INFO L895 garLoopResultBuilder]: At program point L86(line 86) the Hoare annotation is: (and (= |ULTIMATE.start_main_~tmp~7#1| 1) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= 1 ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))
[2023-11-19 07:36:57,285 INFO L895 garLoopResultBuilder]: At program point L107(lines 64 109) the Hoare annotation is: (and (= |ULTIMATE.start_main_~tmp~7#1| 1) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= 1 ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))
[2023-11-19 07:36:57,285 INFO L899 garLoopResultBuilder]: For program point L74(lines 74 80) no Hoare annotation was computed.
[2023-11-19 07:36:57,285 INFO L899 garLoopResultBuilder]: For program point setup_returnLabel#1(lines 865 871) no Hoare annotation was computed.
[2023-11-19 07:36:57,286 INFO L899 garLoopResultBuilder]: For program point L74-1(lines 74 80) no Hoare annotation was computed.
[2023-11-19 07:36:57,286 INFO L899 garLoopResultBuilder]: For program point L66(lines 66 70) no Hoare annotation was computed.
[2023-11-19 07:36:57,286 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed.
[2023-11-19 07:36:57,286 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed.
[2023-11-19 07:36:57,286 INFO L899 garLoopResultBuilder]: For program point select_helpers_returnLabel#1(lines 673 679) no Hoare annotation was computed.
[2023-11-19 07:36:57,286 INFO L899 garLoopResultBuilder]: For program point L100(lines 100 104) no Hoare annotation was computed.
[2023-11-19 07:36:57,287 INFO L895 garLoopResultBuilder]: At program point L100-2(lines 94 105) the Hoare annotation is: (and (= |ULTIMATE.start_main_~tmp~7#1| 1) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= 1 ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))
[2023-11-19 07:36:57,287 INFO L899 garLoopResultBuilder]: For program point L893(lines 893 900) no Hoare annotation was computed.
[2023-11-19 07:36:57,287 INFO L899 garLoopResultBuilder]: For program point __utac_acc__Specification2_spec__1_returnLabel#1(lines 772 779) no Hoare annotation was computed.
[2023-11-19 07:36:57,287 INFO L899 garLoopResultBuilder]: For program point L893-2(lines 893 900) no Hoare annotation was computed.
[2023-11-19 07:36:57,288 INFO L899 garLoopResultBuilder]: For program point L84(lines 84 90) no Hoare annotation was computed.
[2023-11-19 07:36:57,288 INFO L899 garLoopResultBuilder]: For program point L84-1(lines 84 90) no Hoare annotation was computed.
[2023-11-19 07:36:57,288 INFO L899 garLoopResultBuilder]: For program point L113(lines 54 117) no Hoare annotation was computed.
[2023-11-19 07:36:57,288 INFO L895 garLoopResultBuilder]: At program point L76(line 76) the Hoare annotation is: (and (= |ULTIMATE.start_main_~tmp~7#1| 1) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= 1 ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))
[2023-11-19 07:36:57,288 INFO L899 garLoopResultBuilder]: For program point valid_product_returnLabel#1(lines 680 688) no Hoare annotation was computed.
[2023-11-19 07:36:57,289 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 705 716) no Hoare annotation was computed.
[2023-11-19 07:36:57,289 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 705 716) the Hoare annotation is: true
[2023-11-19 07:36:57,289 INFO L899 garLoopResultBuilder]: For program point L709-1(lines 705 716) no Hoare annotation was computed.
[2023-11-19 07:36:57,289 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 163 169) no Hoare annotation was computed.
[2023-11-19 07:36:57,290 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__methaneQueryFINAL(lines 163 169) the Hoare annotation is: true
[2023-11-19 07:36:57,290 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmEXIT(lines 229 239) no Hoare annotation was computed.
[2023-11-19 07:36:57,290 INFO L902 garLoopResultBuilder]: At program point L234(line 234) the Hoare annotation is: true
[2023-11-19 07:36:57,290 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 229 239) the Hoare annotation is: true
[2023-11-19 07:36:57,290 INFO L899 garLoopResultBuilder]: For program point L234-1(line 234) no Hoare annotation was computed.
[2023-11-19 07:36:57,290 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmFINAL(lines 229 239) no Hoare annotation was computed.
[2023-11-19 07:36:57,293 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1]
[2023-11-19 07:36:57,296 INFO L178 ceAbstractionStarter]: Computing trace abstraction results
[2023-11-19 07:36:57,308 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 07:36:57 BoogieIcfgContainer
[2023-11-19 07:36:57,308 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2023-11-19 07:36:57,309 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2023-11-19 07:36:57,309 INFO L270 PluginConnector]: Initializing Witness Printer...
[2023-11-19 07:36:57,309 INFO L274 PluginConnector]: Witness Printer initialized
[2023-11-19 07:36:57,310 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:36:55" (3/4) ...
[2023-11-19 07:36:57,312 INFO L137 WitnessPrinter]: Generating witness for correct program
[2023-11-19 07:36:57,316 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel
[2023-11-19 07:36:57,316 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical
[2023-11-19 07:36:57,316 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup
[2023-11-19 07:36:57,317 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift
[2023-11-19 07:36:57,317 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise
[2023-11-19 07:36:57,317 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery
[2023-11-19 07:36:57,335 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm
[2023-11-19 07:36:57,343 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges
[2023-11-19 07:36:57,343 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges
[2023-11-19 07:36:57,344 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges
[2023-11-19 07:36:57,345 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2023-11-19 07:36:57,345 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2023-11-19 07:36:57,373 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((tmp == 1) && (pumpRunning == 0)) && (\result == 1)) && (1 == systemActive)) && (splverifierCounter == 0))
[2023-11-19 07:36:57,400 WARN L141 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((tmp == 1) && (pumpRunning == 0)) && (\result == 1)) && (1 == systemActive)) && (splverifierCounter == 0))
[2023-11-19 07:36:57,447 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7fa5339-26f4-440e-aed5-fe5e14eaf4e9/bin/uautomizer-verify-uCwYo4JHxu/witness.graphml
[2023-11-19 07:36:57,447 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7fa5339-26f4-440e-aed5-fe5e14eaf4e9/bin/uautomizer-verify-uCwYo4JHxu/witness.yml
[2023-11-19 07:36:57,447 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2023-11-19 07:36:57,448 INFO L158 Benchmark]: Toolchain (without parser) took 2725.43ms. Allocated memory is still 138.4MB. Free memory was 101.7MB in the beginning and 104.3MB in the end (delta: -2.7MB). Peak memory consumption was 64.6MB. Max. memory is 16.1GB.
[2023-11-19 07:36:57,449 INFO L158 Benchmark]: CDTParser took 0.46ms. Allocated memory is still 138.4MB. Free memory was 107.4MB in the beginning and 107.3MB in the end (delta: 72.1kB). There was no memory consumed. Max. memory is 16.1GB.
[2023-11-19 07:36:57,449 INFO L158 Benchmark]: CACSL2BoogieTranslator took 506.58ms. Allocated memory is still 138.4MB. Free memory was 101.2MB in the beginning and 82.3MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB.
[2023-11-19 07:36:57,450 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.25ms. Allocated memory is still 138.4MB. Free memory was 82.3MB in the beginning and 80.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2023-11-19 07:36:57,450 INFO L158 Benchmark]: Boogie Preprocessor took 30.37ms. Allocated memory is still 138.4MB. Free memory was 80.3MB in the beginning and 78.9MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB.
[2023-11-19 07:36:57,450 INFO L158 Benchmark]: RCFGBuilder took 454.70ms. Allocated memory is still 138.4MB. Free memory was 78.9MB in the beginning and 63.5MB in the end (delta: 15.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
[2023-11-19 07:36:57,451 INFO L158 Benchmark]: TraceAbstraction took 1529.07ms. Allocated memory is still 138.4MB. Free memory was 62.8MB in the beginning and 45.2MB in the end (delta: 17.6MB). Peak memory consumption was 18.8MB. Max. memory is 16.1GB.
[2023-11-19 07:36:57,451 INFO L158 Benchmark]: Witness Printer took 138.71ms. Allocated memory is still 138.4MB. Free memory was 45.2MB in the beginning and 104.3MB in the end (delta: -59.1MB). Peak memory consumption was 6.0MB. Max. memory is 16.1GB.
[2023-11-19 07:36:57,453 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.46ms. Allocated memory is still 138.4MB. Free memory was 107.4MB in the beginning and 107.3MB in the end (delta: 72.1kB). There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 506.58ms. Allocated memory is still 138.4MB. Free memory was 101.2MB in the beginning and 82.3MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 56.25ms. Allocated memory is still 138.4MB. Free memory was 82.3MB in the beginning and 80.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 30.37ms. Allocated memory is still 138.4MB. Free memory was 80.3MB in the beginning and 78.9MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB.
* RCFGBuilder took 454.70ms. Allocated memory is still 138.4MB. Free memory was 78.9MB in the beginning and 63.5MB in the end (delta: 15.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
* TraceAbstraction took 1529.07ms. Allocated memory is still 138.4MB. Free memory was 62.8MB in the beginning and 45.2MB in the end (delta: 17.6MB). Peak memory consumption was 18.8MB. Max. memory is 16.1GB.
* Witness Printer took 138.71ms. Allocated memory is still 138.4MB. Free memory was 45.2MB in the beginning and 104.3MB in the end (delta: -59.1MB). Peak memory consumption was 6.0MB. 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: 118]: Unsoundness Warning
Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [118]
- GenericResultAtLocation [Line: 127]: Unsoundness Warning
Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [127]
- GenericResultAtLocation [Line: 285]: Unsoundness Warning
Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [285]
- GenericResultAtLocation [Line: 651]: Unsoundness Warning
Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [651]
- GenericResultAtLocation [Line: 689]: Unsoundness Warning
Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [689]
- GenericResultAtLocation [Line: 770]: Unsoundness Warning
Ignoring preprocessor pragma C: #pragma merger(0,"Specification2_spec.i","") [770]
- GenericResultAtLocation [Line: 809]: Unsoundness Warning
Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [809]
* 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: 123]: 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: 1.4s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 148 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 145 mSDsluCounter, 517 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 229 mSDsCounter, 11 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 51 IncrementalHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 11 mSolverCounterUnsat, 288 mSDtfsCounter, 51 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 29 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=78occurred in iteration=0, InterpolantAutomatonStates: 15, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 20 LocationsWithAnnotation, 87 PreInvPairs, 93 NumberOfFragments, 129 HoareAnnotationTreeSize, 87 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 20 FomulaSimplificationsInter, 72 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 116 NumberOfCodeBlocks, 116 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 112 ConstructedInterpolants, 0 QuantifiedInterpolants, 219 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: 63]: Loop Invariant
Derived loop invariant: 0
- InvariantResult [Line: 64]: Loop Invariant
Derived loop invariant: (((((tmp == 1) && (pumpRunning == 0)) && (\result == 1)) && (1 == systemActive)) && (splverifierCounter == 0))
- InvariantResult [Line: 821]: Loop Invariant
Derived loop invariant: 1
RESULT: Ultimate proved your program to be correct!
[2023-11-19 07:36:57,492 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7fa5339-26f4-440e-aed5-fe5e14eaf4e9/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (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