./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product15.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_58191cd1-5ff5-4681-9d5b-93a07fd3d2e0/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58191cd1-5ff5-4681-9d5b-93a07fd3d2e0/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_58191cd1-5ff5-4681-9d5b-93a07fd3d2e0/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58191cd1-5ff5-4681-9d5b-93a07fd3d2e0/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product15.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58191cd1-5ff5-4681-9d5b-93a07fd3d2e0/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_58191cd1-5ff5-4681-9d5b-93a07fd3d2e0/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 3ff5e3440a113d04736761f02383989df8ff41baa6c3f7c82a502839a05f4fda
--- Real Ultimate output ---
This is Ultimate 0.2.3-dev-9bd2c7f
[2023-11-19 08:06:53,809 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2023-11-19 08:06:53,883 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58191cd1-5ff5-4681-9d5b-93a07fd3d2e0/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-32bit-Automizer_Default.epf
[2023-11-19 08:06:53,889 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2023-11-19 08:06:53,890 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2023-11-19 08:06:53,917 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2023-11-19 08:06:53,918 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2023-11-19 08:06:53,919 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2023-11-19 08:06:53,920 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2023-11-19 08:06:53,920 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2023-11-19 08:06:53,921 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2023-11-19 08:06:53,922 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2023-11-19 08:06:53,923 INFO L153 SettingsManager]: * Use SBE=true
[2023-11-19 08:06:53,923 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-11-19 08:06:53,924 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2023-11-19 08:06:53,925 INFO L153 SettingsManager]: * sizeof long=4
[2023-11-19 08:06:53,925 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2023-11-19 08:06:53,926 INFO L153 SettingsManager]: * sizeof POINTER=4
[2023-11-19 08:06:53,926 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2023-11-19 08:06:53,927 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2023-11-19 08:06:53,932 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2023-11-19 08:06:53,936 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2023-11-19 08:06:53,937 INFO L153 SettingsManager]: * sizeof long double=12
[2023-11-19 08:06:53,937 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2023-11-19 08:06:53,938 INFO L153 SettingsManager]: * Use constant arrays=true
[2023-11-19 08:06:53,938 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-11-19 08:06:53,939 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2023-11-19 08:06:53,940 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2023-11-19 08:06:53,940 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-11-19 08:06:53,941 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-11-19 08:06:53,942 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2023-11-19 08:06:53,943 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2023-11-19 08:06:53,943 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2023-11-19 08:06:53,944 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2023-11-19 08:06:53,944 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2023-11-19 08:06:53,944 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2023-11-19 08:06:53,945 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2023-11-19 08:06:53,945 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2023-11-19 08:06:53,945 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC
[2023-11-19 08:06:53,946 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_58191cd1-5ff5-4681-9d5b-93a07fd3d2e0/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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58191cd1-5ff5-4681-9d5b-93a07fd3d2e0/bin/uautomizer-verify-uCwYo4JHxu
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3ff5e3440a113d04736761f02383989df8ff41baa6c3f7c82a502839a05f4fda
[2023-11-19 08:06:54,277 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2023-11-19 08:06:54,309 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-11-19 08:06:54,312 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-11-19 08:06:54,314 INFO L270 PluginConnector]: Initializing CDTParser...
[2023-11-19 08:06:54,314 INFO L274 PluginConnector]: CDTParser initialized
[2023-11-19 08:06:54,315 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58191cd1-5ff5-4681-9d5b-93a07fd3d2e0/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/product-lines/minepump_spec4_product15.cil.c
[2023-11-19 08:06:57,463 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2023-11-19 08:06:57,806 INFO L384 CDTParser]: Found 1 translation units.
[2023-11-19 08:06:57,810 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58191cd1-5ff5-4681-9d5b-93a07fd3d2e0/sv-benchmarks/c/product-lines/minepump_spec4_product15.cil.c
[2023-11-19 08:06:57,826 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58191cd1-5ff5-4681-9d5b-93a07fd3d2e0/bin/uautomizer-verify-uCwYo4JHxu/data/ea2bafb80/3f0b92928a564c839c05dd721f4369fe/FLAG27bf9542c
[2023-11-19 08:06:57,842 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58191cd1-5ff5-4681-9d5b-93a07fd3d2e0/bin/uautomizer-verify-uCwYo4JHxu/data/ea2bafb80/3f0b92928a564c839c05dd721f4369fe
[2023-11-19 08:06:57,845 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-11-19 08:06:57,846 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2023-11-19 08:06:57,848 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-11-19 08:06:57,848 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-11-19 08:06:57,880 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2023-11-19 08:06:57,881 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:06:57" (1/1) ...
[2023-11-19 08:06:57,882 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15f419ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:06:57, skipping insertion in model container
[2023-11-19 08:06:57,882 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:06:57" (1/1) ...
[2023-11-19 08:06:57,994 INFO L177 MainTranslator]: Built tables and reachable declarations
[2023-11-19 08:06:58,193 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_58191cd1-5ff5-4681-9d5b-93a07fd3d2e0/sv-benchmarks/c/product-lines/minepump_spec4_product15.cil.c[2141,2154]
[2023-11-19 08:06:58,326 INFO L209 PostProcessor]: Analyzing one entry point: main
[2023-11-19 08:06:58,336 INFO L202 MainTranslator]: Completed pre-run
[2023-11-19 08:06:58,346 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [49]
[2023-11-19 08:06:58,348 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [87]
[2023-11-19 08:06:58,348 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [96]
[2023-11-19 08:06:58,348 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [168]
[2023-11-19 08:06:58,349 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [341]
[2023-11-19 08:06:58,349 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [707]
[2023-11-19 08:06:58,349 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [788]
[2023-11-19 08:06:58,349 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification4_spec.i","") [884]
[2023-11-19 08:06:58,354 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_58191cd1-5ff5-4681-9d5b-93a07fd3d2e0/sv-benchmarks/c/product-lines/minepump_spec4_product15.cil.c[2141,2154]
[2023-11-19 08:06:58,400 INFO L209 PostProcessor]: Analyzing one entry point: main
[2023-11-19 08:06:58,420 INFO L206 MainTranslator]: Completed translation
[2023-11-19 08:06:58,421 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:06:58 WrapperNode
[2023-11-19 08:06:58,421 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-11-19 08:06:58,423 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2023-11-19 08:06:58,424 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2023-11-19 08:06:58,424 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2023-11-19 08:06:58,433 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:06:58" (1/1) ...
[2023-11-19 08:06:58,447 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:06:58" (1/1) ...
[2023-11-19 08:06:58,473 INFO L138 Inliner]: procedures = 52, calls = 96, calls flagged for inlining = 20, calls inlined = 16, statements flattened = 163
[2023-11-19 08:06:58,474 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2023-11-19 08:06:58,474 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2023-11-19 08:06:58,475 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2023-11-19 08:06:58,475 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2023-11-19 08:06:58,485 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:06:58" (1/1) ...
[2023-11-19 08:06:58,485 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:06:58" (1/1) ...
[2023-11-19 08:06:58,488 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:06:58" (1/1) ...
[2023-11-19 08:06:58,488 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:06:58" (1/1) ...
[2023-11-19 08:06:58,494 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:06:58" (1/1) ...
[2023-11-19 08:06:58,499 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:06:58" (1/1) ...
[2023-11-19 08:06:58,501 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:06:58" (1/1) ...
[2023-11-19 08:06:58,503 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:06:58" (1/1) ...
[2023-11-19 08:06:58,505 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2023-11-19 08:06:58,506 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2023-11-19 08:06:58,507 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2023-11-19 08:06:58,507 INFO L274 PluginConnector]: RCFGBuilder initialized
[2023-11-19 08:06:58,508 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:06:58" (1/1) ...
[2023-11-19 08:06:58,530 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-11-19 08:06:58,548 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58191cd1-5ff5-4681-9d5b-93a07fd3d2e0/bin/uautomizer-verify-uCwYo4JHxu/z3
[2023-11-19 08:06:58,569 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58191cd1-5ff5-4681-9d5b-93a07fd3d2e0/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2023-11-19 08:06:58,596 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58191cd1-5ff5-4681-9d5b-93a07fd3d2e0/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2023-11-19 08:06:58,611 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2023-11-19 08:06:58,612 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup
[2023-11-19 08:06:58,612 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup
[2023-11-19 08:06:58,612 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift
[2023-11-19 08:06:58,615 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift
[2023-11-19 08:06:58,615 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise
[2023-11-19 08:06:58,616 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise
[2023-11-19 08:06:58,616 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery
[2023-11-19 08:06:58,616 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery
[2023-11-19 08:06:58,616 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm
[2023-11-19 08:06:58,616 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm
[2023-11-19 08:06:58,617 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump
[2023-11-19 08:06:58,617 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump
[2023-11-19 08:06:58,617 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2023-11-19 08:06:58,617 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel
[2023-11-19 08:06:58,618 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel
[2023-11-19 08:06:58,618 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2023-11-19 08:06:58,618 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2023-11-19 08:06:58,751 INFO L236 CfgBuilder]: Building ICFG
[2023-11-19 08:06:58,758 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation
[2023-11-19 08:06:59,047 INFO L277 CfgBuilder]: Performing block encoding
[2023-11-19 08:06:59,056 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2023-11-19 08:06:59,056 INFO L302 CfgBuilder]: Removed 2 assume(true) statements.
[2023-11-19 08:06:59,060 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:06:59 BoogieIcfgContainer
[2023-11-19 08:06:59,061 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2023-11-19 08:06:59,063 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2023-11-19 08:06:59,064 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2023-11-19 08:06:59,068 INFO L274 PluginConnector]: TraceAbstraction initialized
[2023-11-19 08:06:59,068 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 08:06:57" (1/3) ...
[2023-11-19 08:06:59,069 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6538d803 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:06:59, skipping insertion in model container
[2023-11-19 08:06:59,070 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:06:58" (2/3) ...
[2023-11-19 08:06:59,070 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6538d803 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:06:59, skipping insertion in model container
[2023-11-19 08:06:59,070 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:06:59" (3/3) ...
[2023-11-19 08:06:59,072 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product15.cil.c
[2023-11-19 08:06:59,089 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2023-11-19 08:06:59,089 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2023-11-19 08:06:59,146 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2023-11-19 08:06:59,153 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;@349d3bfb, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=<UNSUPPORTED>, UseSemiCommutativity=<UNSUPPORTED>, Solver=<NOT_USED>, SolverTimeout=<NOT_USED>]
[2023-11-19 08:06:59,153 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2023-11-19 08:06:59,158 INFO L276 IsEmpty]: Start isEmpty. Operand has 78 states, 58 states have (on average 1.3793103448275863) internal successors, (80), 65 states have internal predecessors, (80), 11 states have call successors, (11), 7 states have call predecessors, (11), 7 states have return successors, (11), 9 states have call predecessors, (11), 11 states have call successors, (11)
[2023-11-19 08:06:59,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20
[2023-11-19 08:06:59,168 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-19 08:06:59,169 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 08:06:59,170 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-19 08:06:59,175 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 08:06:59,176 INFO L85 PathProgramCache]: Analyzing trace with hash -2002568319, now seen corresponding path program 1 times
[2023-11-19 08:06:59,187 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 08:06:59,187 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [606042658]
[2023-11-19 08:06:59,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 08:06:59,188 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 08:06:59,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 08:06:59,462 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 08:06:59,463 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 08:06:59,463 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [606042658]
[2023-11-19 08:06:59,464 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [606042658] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 08:06:59,465 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 08:06:59,465 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-11-19 08:06:59,467 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1497184593]
[2023-11-19 08:06:59,467 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 08:06:59,473 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2023-11-19 08:06:59,475 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 08:06:59,518 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2023-11-19 08:06:59,519 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2023-11-19 08:06:59,522 INFO L87 Difference]: Start difference. First operand has 78 states, 58 states have (on average 1.3793103448275863) internal successors, (80), 65 states have internal predecessors, (80), 11 states have call successors, (11), 7 states have call predecessors, (11), 7 states have return successors, (11), 9 states have call predecessors, (11), 11 states have call successors, (11) Second operand has 2 states, 2 states have (on average 8.5) internal successors, (17), 2 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 08:06:59,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 08:06:59,560 INFO L93 Difference]: Finished difference Result 148 states and 199 transitions.
[2023-11-19 08:06:59,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2023-11-19 08:06:59,562 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 8.5) internal successors, (17), 2 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19
[2023-11-19 08:06:59,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 08:06:59,571 INFO L225 Difference]: With dead ends: 148
[2023-11-19 08:06:59,571 INFO L226 Difference]: Without dead ends: 69
[2023-11-19 08:06:59,575 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 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 08:06:59,582 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 08:06:59,583 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 08:06:59,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states.
[2023-11-19 08:06:59,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 69.
[2023-11-19 08:06:59,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 51 states have (on average 1.2941176470588236) internal successors, (66), 57 states have internal predecessors, (66), 11 states have call successors, (11), 7 states have call predecessors, (11), 6 states have return successors, (10), 8 states have call predecessors, (10), 10 states have call successors, (10)
[2023-11-19 08:06:59,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 87 transitions.
[2023-11-19 08:06:59,636 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 87 transitions. Word has length 19
[2023-11-19 08:06:59,636 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-19 08:06:59,637 INFO L495 AbstractCegarLoop]: Abstraction has 69 states and 87 transitions.
[2023-11-19 08:06:59,637 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 8.5) internal successors, (17), 2 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 08:06:59,637 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 87 transitions.
[2023-11-19 08:06:59,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21
[2023-11-19 08:06:59,640 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-19 08:06:59,640 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 08:06:59,640 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2023-11-19 08:06:59,641 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-19 08:06:59,642 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 08:06:59,642 INFO L85 PathProgramCache]: Analyzing trace with hash 999716962, now seen corresponding path program 1 times
[2023-11-19 08:06:59,642 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 08:06:59,642 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [976449364]
[2023-11-19 08:06:59,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 08:06:59,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 08:06:59,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 08:06:59,890 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 08:06:59,890 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 08:06:59,890 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [976449364]
[2023-11-19 08:06:59,891 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [976449364] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 08:06:59,891 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 08:06:59,891 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2023-11-19 08:06:59,892 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2013976505]
[2023-11-19 08:06:59,892 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 08:06:59,893 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-11-19 08:06:59,894 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 08:06:59,894 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-11-19 08:06:59,895 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-19 08:06:59,895 INFO L87 Difference]: Start difference. First operand 69 states and 87 transitions. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 08:06:59,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 08:06:59,923 INFO L93 Difference]: Finished difference Result 100 states and 124 transitions.
[2023-11-19 08:06:59,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2023-11-19 08:06:59,924 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20
[2023-11-19 08:06:59,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 08:06:59,932 INFO L225 Difference]: With dead ends: 100
[2023-11-19 08:06:59,933 INFO L226 Difference]: Without dead ends: 60
[2023-11-19 08:06:59,934 INFO L412 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
[2023-11-19 08:06:59,938 INFO L413 NwaCegarLoop]: 74 mSDtfsCounter, 16 mSDsluCounter, 53 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 127 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 08:06:59,941 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 127 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-11-19 08:06:59,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states.
[2023-11-19 08:06:59,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60.
[2023-11-19 08:06:59,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60 states, 45 states have (on average 1.3111111111111111) internal successors, (59), 51 states have internal predecessors, (59), 8 states have call successors, (8), 6 states have call predecessors, (8), 6 states have return successors, (8), 6 states have call predecessors, (8), 8 states have call successors, (8)
[2023-11-19 08:06:59,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 75 transitions.
[2023-11-19 08:06:59,961 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 75 transitions. Word has length 20
[2023-11-19 08:06:59,962 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-19 08:06:59,962 INFO L495 AbstractCegarLoop]: Abstraction has 60 states and 75 transitions.
[2023-11-19 08:06:59,962 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 08:06:59,963 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 75 transitions.
[2023-11-19 08:06:59,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25
[2023-11-19 08:06:59,965 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-19 08:06:59,966 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 08:06:59,966 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2023-11-19 08:06:59,967 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-19 08:06:59,969 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 08:06:59,969 INFO L85 PathProgramCache]: Analyzing trace with hash -1281821319, now seen corresponding path program 1 times
[2023-11-19 08:06:59,970 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 08:06:59,970 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [941433574]
[2023-11-19 08:06:59,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 08:06:59,971 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 08:07:00,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 08:07:00,081 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 08:07:00,081 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 08:07:00,082 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [941433574]
[2023-11-19 08:07:00,082 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [941433574] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 08:07:00,082 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 08:07:00,083 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-11-19 08:07:00,083 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [992080566]
[2023-11-19 08:07:00,083 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 08:07:00,084 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-11-19 08:07:00,084 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 08:07:00,085 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-11-19 08:07:00,085 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-19 08:07:00,085 INFO L87 Difference]: Start difference. First operand 60 states and 75 transitions. Second operand has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 2 states have internal predecessors, (23), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 08:07:00,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 08:07:00,113 INFO L93 Difference]: Finished difference Result 165 states and 211 transitions.
[2023-11-19 08:07:00,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2023-11-19 08:07:00,114 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 2 states have internal predecessors, (23), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24
[2023-11-19 08:07:00,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 08:07:00,116 INFO L225 Difference]: With dead ends: 165
[2023-11-19 08:07:00,117 INFO L226 Difference]: Without dead ends: 112
[2023-11-19 08:07:00,118 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 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 08:07:00,119 INFO L413 NwaCegarLoop]: 86 mSDtfsCounter, 55 mSDsluCounter, 65 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 151 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2023-11-19 08:07:00,120 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [55 Valid, 151 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-11-19 08:07:00,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states.
[2023-11-19 08:07:00,144 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 109.
[2023-11-19 08:07:00,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109 states, 80 states have (on average 1.3375) internal successors, (107), 91 states have internal predecessors, (107), 16 states have call successors, (16), 12 states have call predecessors, (16), 12 states have return successors, (16), 11 states have call predecessors, (16), 16 states have call successors, (16)
[2023-11-19 08:07:00,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 139 transitions.
[2023-11-19 08:07:00,147 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 139 transitions. Word has length 24
[2023-11-19 08:07:00,147 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-19 08:07:00,147 INFO L495 AbstractCegarLoop]: Abstraction has 109 states and 139 transitions.
[2023-11-19 08:07:00,148 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 2 states have internal predecessors, (23), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 08:07:00,148 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 139 transitions.
[2023-11-19 08:07:00,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30
[2023-11-19 08:07:00,150 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-19 08:07:00,150 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]
[2023-11-19 08:07:00,151 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2023-11-19 08:07:00,151 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-19 08:07:00,152 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 08:07:00,152 INFO L85 PathProgramCache]: Analyzing trace with hash -1956762765, now seen corresponding path program 1 times
[2023-11-19 08:07:00,152 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 08:07:00,153 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2047490069]
[2023-11-19 08:07:00,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 08:07:00,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 08:07:00,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 08:07:00,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19
[2023-11-19 08:07:00,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 08:07:00,396 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 08:07:00,396 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 08:07:00,397 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2047490069]
[2023-11-19 08:07:00,397 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2047490069] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 08:07:00,397 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 08:07:00,398 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2023-11-19 08:07:00,398 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2103345157]
[2023-11-19 08:07:00,398 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 08:07:00,399 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2023-11-19 08:07:00,399 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 08:07:00,400 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2023-11-19 08:07:00,401 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2023-11-19 08:07:00,401 INFO L87 Difference]: Start difference. First operand 109 states and 139 transitions. Second operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2023-11-19 08:07:00,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 08:07:00,493 INFO L93 Difference]: Finished difference Result 301 states and 398 transitions.
[2023-11-19 08:07:00,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2023-11-19 08:07:00,493 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 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 29
[2023-11-19 08:07:00,494 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 08:07:00,497 INFO L225 Difference]: With dead ends: 301
[2023-11-19 08:07:00,498 INFO L226 Difference]: Without dead ends: 199
[2023-11-19 08:07:00,499 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 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 08:07:00,501 INFO L413 NwaCegarLoop]: 70 mSDtfsCounter, 46 mSDsluCounter, 202 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 272 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2023-11-19 08:07:00,501 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 272 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-11-19 08:07:00,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 199 states.
[2023-11-19 08:07:00,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 199 to 199.
[2023-11-19 08:07:00,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 199 states, 144 states have (on average 1.3194444444444444) internal successors, (190), 163 states have internal predecessors, (190), 32 states have call successors, (32), 24 states have call predecessors, (32), 22 states have return successors, (34), 20 states have call predecessors, (34), 32 states have call successors, (34)
[2023-11-19 08:07:00,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 199 states and 256 transitions.
[2023-11-19 08:07:00,541 INFO L78 Accepts]: Start accepts. Automaton has 199 states and 256 transitions. Word has length 29
[2023-11-19 08:07:00,542 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-19 08:07:00,542 INFO L495 AbstractCegarLoop]: Abstraction has 199 states and 256 transitions.
[2023-11-19 08:07:00,542 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2023-11-19 08:07:00,542 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 256 transitions.
[2023-11-19 08:07:00,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32
[2023-11-19 08:07:00,546 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-19 08:07:00,546 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]
[2023-11-19 08:07:00,547 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2023-11-19 08:07:00,547 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-19 08:07:00,548 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 08:07:00,548 INFO L85 PathProgramCache]: Analyzing trace with hash 2058553646, now seen corresponding path program 1 times
[2023-11-19 08:07:00,548 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 08:07:00,549 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1003639562]
[2023-11-19 08:07:00,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 08:07:00,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 08:07:00,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 08:07:00,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21
[2023-11-19 08:07:00,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 08:07:00,625 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 08:07:00,625 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 08:07:00,625 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1003639562]
[2023-11-19 08:07:00,626 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1003639562] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 08:07:00,626 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 08:07:00,626 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2023-11-19 08:07:00,627 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2097766401]
[2023-11-19 08:07:00,627 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 08:07:00,628 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-11-19 08:07:00,628 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 08:07:00,629 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-11-19 08:07:00,629 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-19 08:07:00,629 INFO L87 Difference]: Start difference. First operand 199 states and 256 transitions. Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 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 08:07:00,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 08:07:00,658 INFO L93 Difference]: Finished difference Result 333 states and 437 transitions.
[2023-11-19 08:07:00,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2023-11-19 08:07:00,659 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 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 31
[2023-11-19 08:07:00,659 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 08:07:00,661 INFO L225 Difference]: With dead ends: 333
[2023-11-19 08:07:00,661 INFO L226 Difference]: Without dead ends: 141
[2023-11-19 08:07:00,663 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 08:07:00,665 INFO L413 NwaCegarLoop]: 49 mSDtfsCounter, 37 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 49 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2023-11-19 08:07:00,666 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 49 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-11-19 08:07:00,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states.
[2023-11-19 08:07:00,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 139.
[2023-11-19 08:07:00,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 139 states, 108 states have (on average 1.2592592592592593) internal successors, (136), 115 states have internal predecessors, (136), 16 states have call successors, (16), 16 states have call predecessors, (16), 14 states have return successors, (16), 14 states have call predecessors, (16), 16 states have call successors, (16)
[2023-11-19 08:07:00,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 168 transitions.
[2023-11-19 08:07:00,688 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 168 transitions. Word has length 31
[2023-11-19 08:07:00,688 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-19 08:07:00,689 INFO L495 AbstractCegarLoop]: Abstraction has 139 states and 168 transitions.
[2023-11-19 08:07:00,689 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 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 08:07:00,689 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 168 transitions.
[2023-11-19 08:07:00,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34
[2023-11-19 08:07:00,691 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-19 08:07:00,692 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]
[2023-11-19 08:07:00,692 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2023-11-19 08:07:00,692 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-19 08:07:00,693 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 08:07:00,693 INFO L85 PathProgramCache]: Analyzing trace with hash -1598576531, now seen corresponding path program 1 times
[2023-11-19 08:07:00,693 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 08:07:00,694 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1923490584]
[2023-11-19 08:07:00,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 08:07:00,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 08:07:00,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 08:07:00,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11
[2023-11-19 08:07:00,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 08:07:00,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23
[2023-11-19 08:07:00,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 08:07:00,895 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 08:07:00,896 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 08:07:00,896 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1923490584]
[2023-11-19 08:07:00,902 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1923490584] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 08:07:00,902 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 08:07:00,903 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2023-11-19 08:07:00,904 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [714179048]
[2023-11-19 08:07:00,904 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 08:07:00,904 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2023-11-19 08:07:00,905 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 08:07:00,906 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2023-11-19 08:07:00,906 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2023-11-19 08:07:00,907 INFO L87 Difference]: Start difference. First operand 139 states and 168 transitions. Second operand has 6 states, 6 states have (on average 4.666666666666667) internal successors, (28), 5 states have internal predecessors, (28), 1 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2023-11-19 08:07:01,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 08:07:01,063 INFO L93 Difference]: Finished difference Result 149 states and 178 transitions.
[2023-11-19 08:07:01,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2023-11-19 08:07:01,064 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.666666666666667) internal successors, (28), 5 states have internal predecessors, (28), 1 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 33
[2023-11-19 08:07:01,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 08:07:01,065 INFO L225 Difference]: With dead ends: 149
[2023-11-19 08:07:01,065 INFO L226 Difference]: Without dead ends: 0
[2023-11-19 08:07:01,066 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72
[2023-11-19 08:07:01,072 INFO L413 NwaCegarLoop]: 42 mSDtfsCounter, 48 mSDsluCounter, 101 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 143 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2023-11-19 08:07:01,076 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 143 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2023-11-19 08:07:01,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2023-11-19 08:07:01,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2023-11-19 08:07:01,079 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 08:07:01,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2023-11-19 08:07:01,079 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 33
[2023-11-19 08:07:01,081 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-19 08:07:01,081 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2023-11-19 08:07:01,081 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.666666666666667) internal successors, (28), 5 states have internal predecessors, (28), 1 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2023-11-19 08:07:01,081 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2023-11-19 08:07:01,082 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2023-11-19 08:07:01,084 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining)
[2023-11-19 08:07:01,085 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2023-11-19 08:07:01,087 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2023-11-19 08:07:01,375 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 262 269) no Hoare annotation was computed.
[2023-11-19 08:07:01,376 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 262 269) the Hoare annotation is: true
[2023-11-19 08:07:01,376 INFO L899 garLoopResultBuilder]: For program point deactivatePumpFINAL(lines 262 269) no Hoare annotation was computed.
[2023-11-19 08:07:01,376 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 735 746) the Hoare annotation is: true
[2023-11-19 08:07:01,376 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 735 746) no Hoare annotation was computed.
[2023-11-19 08:07:01,376 INFO L899 garLoopResultBuilder]: For program point L739-1(lines 735 746) no Hoare annotation was computed.
[2023-11-19 08:07:01,377 INFO L899 garLoopResultBuilder]: For program point L801(line 801) no Hoare annotation was computed.
[2023-11-19 08:07:01,377 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 790 819) no Hoare annotation was computed.
[2023-11-19 08:07:01,377 INFO L902 garLoopResultBuilder]: At program point L800-2(lines 800 814) the Hoare annotation is: true
[2023-11-19 08:07:01,377 INFO L902 garLoopResultBuilder]: At program point L796(line 796) the Hoare annotation is: true
[2023-11-19 08:07:01,377 INFO L899 garLoopResultBuilder]: For program point L796-1(line 796) no Hoare annotation was computed.
[2023-11-19 08:07:01,377 INFO L899 garLoopResultBuilder]: For program point L815(lines 790 819) no Hoare annotation was computed.
[2023-11-19 08:07:01,378 INFO L899 garLoopResultBuilder]: For program point L811(line 811) no Hoare annotation was computed.
[2023-11-19 08:07:01,378 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 790 819) the Hoare annotation is: true
[2023-11-19 08:07:01,378 INFO L899 garLoopResultBuilder]: For program point L804(lines 804 808) no Hoare annotation was computed.
[2023-11-19 08:07:01,378 INFO L902 garLoopResultBuilder]: At program point L804-1(lines 804 808) the Hoare annotation is: true
[2023-11-19 08:07:01,379 INFO L899 garLoopResultBuilder]: For program point L184-1(lines 183 202) no Hoare annotation was computed.
[2023-11-19 08:07:01,379 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 180 203) no Hoare annotation was computed.
[2023-11-19 08:07:01,379 INFO L895 garLoopResultBuilder]: At program point L226(line 226) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0))
[2023-11-19 08:07:01,380 INFO L895 garLoopResultBuilder]: At program point L222(line 222) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0))
[2023-11-19 08:07:01,380 INFO L895 garLoopResultBuilder]: At program point L218(line 218) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0))
[2023-11-19 08:07:01,381 INFO L899 garLoopResultBuilder]: For program point L218-1(line 218) no Hoare annotation was computed.
[2023-11-19 08:07:01,381 INFO L899 garLoopResultBuilder]: For program point getWaterLevel_returnLabel#1(lines 779 787) no Hoare annotation was computed.
[2023-11-19 08:07:01,381 INFO L895 garLoopResultBuilder]: At program point L231(line 231) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (= |old(~waterLevel~0)| ~waterLevel~0)))
[2023-11-19 08:07:01,381 INFO L899 garLoopResultBuilder]: For program point L231-1(lines 212 236) no Hoare annotation was computed.
[2023-11-19 08:07:01,381 INFO L899 garLoopResultBuilder]: For program point L715(lines 715 719) no Hoare annotation was computed.
[2023-11-19 08:07:01,381 INFO L899 garLoopResultBuilder]: For program point __automaton_fail_returnLabel#1(lines 88 95) no Hoare annotation was computed.
[2023-11-19 08:07:01,382 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 180 203) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (= |old(~waterLevel~0)| ~waterLevel~0)))
[2023-11-19 08:07:01,382 INFO L899 garLoopResultBuilder]: For program point L715-2(lines 711 722) no Hoare annotation was computed.
[2023-11-19 08:07:01,382 INFO L899 garLoopResultBuilder]: For program point L897(lines 897 903) no Hoare annotation was computed.
[2023-11-19 08:07:01,382 INFO L899 garLoopResultBuilder]: For program point L191-1(lines 191 197) no Hoare annotation was computed.
[2023-11-19 08:07:01,382 INFO L899 garLoopResultBuilder]: For program point L893(lines 893 906) no Hoare annotation was computed.
[2023-11-19 08:07:01,382 INFO L899 garLoopResultBuilder]: For program point L220(lines 220 228) no Hoare annotation was computed.
[2023-11-19 08:07:01,383 INFO L899 garLoopResultBuilder]: For program point L92(line 92) no Hoare annotation was computed.
[2023-11-19 08:07:01,383 INFO L899 garLoopResultBuilder]: For program point L893-1(lines 885 909) no Hoare annotation was computed.
[2023-11-19 08:07:01,383 INFO L899 garLoopResultBuilder]: For program point L216(lines 216 233) no Hoare annotation was computed.
[2023-11-19 08:07:01,383 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 180 203) no Hoare annotation was computed.
[2023-11-19 08:07:01,383 INFO L899 garLoopResultBuilder]: For program point isPumpRunning_returnLabel#1(lines 281 289) no Hoare annotation was computed.
[2023-11-19 08:07:01,383 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 92) no Hoare annotation was computed.
[2023-11-19 08:07:01,383 INFO L899 garLoopResultBuilder]: For program point L122(lines 122 128) no Hoare annotation was computed.
[2023-11-19 08:07:01,384 INFO L899 garLoopResultBuilder]: For program point L122-1(lines 122 128) no Hoare annotation was computed.
[2023-11-19 08:07:01,384 INFO L899 garLoopResultBuilder]: For program point L114(lines 114 118) no Hoare annotation was computed.
[2023-11-19 08:07:01,384 INFO L899 garLoopResultBuilder]: For program point runTest_returnLabel#1(lines 851 860) no Hoare annotation was computed.
[2023-11-19 08:07:01,385 INFO L899 garLoopResultBuilder]: For program point select_features_returnLabel#1(lines 64 70) no Hoare annotation was computed.
[2023-11-19 08:07:01,385 INFO L899 garLoopResultBuilder]: For program point main_returnLabel#1(lines 861 883) no Hoare annotation was computed.
[2023-11-19 08:07:01,385 INFO L895 garLoopResultBuilder]: At program point L160(lines 111 161) the Hoare annotation is: false
[2023-11-19 08:07:01,385 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed.
[2023-11-19 08:07:01,385 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed.
[2023-11-19 08:07:01,385 INFO L899 garLoopResultBuilder]: For program point L148(lines 148 154) no Hoare annotation was computed.
[2023-11-19 08:07:01,388 INFO L895 garLoopResultBuilder]: At program point L148-2(lines 142 155) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))
[2023-11-19 08:07:01,388 INFO L899 garLoopResultBuilder]: For program point L330(lines 330 336) no Hoare annotation was computed.
[2023-11-19 08:07:01,389 INFO L899 garLoopResultBuilder]: For program point setup_returnLabel#1(lines 844 850) no Hoare annotation was computed.
[2023-11-19 08:07:01,389 INFO L899 garLoopResultBuilder]: For program point L330-1(lines 330 336) no Hoare annotation was computed.
[2023-11-19 08:07:01,389 INFO L899 garLoopResultBuilder]: For program point L871(lines 871 878) no Hoare annotation was computed.
[2023-11-19 08:07:01,389 INFO L899 garLoopResultBuilder]: For program point L871-2(lines 871 878) no Hoare annotation was computed.
[2023-11-19 08:07:01,389 INFO L899 garLoopResultBuilder]: For program point L132(lines 132 138) no Hoare annotation was computed.
[2023-11-19 08:07:01,389 INFO L899 garLoopResultBuilder]: For program point L132-1(lines 132 138) no Hoare annotation was computed.
[2023-11-19 08:07:01,390 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed.
[2023-11-19 08:07:01,390 INFO L895 garLoopResultBuilder]: At program point L157(lines 112 159) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))
[2023-11-19 08:07:01,390 INFO L895 garLoopResultBuilder]: At program point L124(line 124) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))
[2023-11-19 08:07:01,390 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed.
[2023-11-19 08:07:01,390 INFO L899 garLoopResultBuilder]: For program point select_helpers_returnLabel#1(lines 71 77) no Hoare annotation was computed.
[2023-11-19 08:07:01,390 INFO L899 garLoopResultBuilder]: For program point stopSystem_returnLabel#1(lines 326 340) no Hoare annotation was computed.
[2023-11-19 08:07:01,391 INFO L899 garLoopResultBuilder]: For program point L113(lines 112 159) no Hoare annotation was computed.
[2023-11-19 08:07:01,392 INFO L899 garLoopResultBuilder]: For program point L142(lines 142 155) no Hoare annotation was computed.
[2023-11-19 08:07:01,392 INFO L895 garLoopResultBuilder]: At program point L332(line 332) the Hoare annotation is: false
[2023-11-19 08:07:01,392 INFO L899 garLoopResultBuilder]: For program point valid_product_returnLabel#1(lines 78 86) no Hoare annotation was computed.
[2023-11-19 08:07:01,392 INFO L895 garLoopResultBuilder]: At program point L134(line 134) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))
[2023-11-19 08:07:01,392 INFO L899 garLoopResultBuilder]: For program point L163(lines 102 167) no Hoare annotation was computed.
[2023-11-19 08:07:01,393 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 723 734) no Hoare annotation was computed.
[2023-11-19 08:07:01,393 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 723 734) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~waterLevel~0)| ~waterLevel~0))
[2023-11-19 08:07:01,393 INFO L899 garLoopResultBuilder]: For program point L727-1(lines 723 734) no Hoare annotation was computed.
[2023-11-19 08:07:01,393 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 204 210) no Hoare annotation was computed.
[2023-11-19 08:07:01,393 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__methaneQueryFINAL(lines 204 210) the Hoare annotation is: true
[2023-11-19 08:07:01,393 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCritical_returnLabel#1(lines 747 755) no Hoare annotation was computed.
[2023-11-19 08:07:01,394 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmEXIT(lines 270 280) no Hoare annotation was computed.
[2023-11-19 08:07:01,394 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 270 280) the Hoare annotation is: true
[2023-11-19 08:07:01,394 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmFINAL(lines 270 280) no Hoare annotation was computed.
[2023-11-19 08:07:01,397 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1]
[2023-11-19 08:07:01,400 INFO L178 ceAbstractionStarter]: Computing trace abstraction results
[2023-11-19 08:07:01,416 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 08:07:01 BoogieIcfgContainer
[2023-11-19 08:07:01,416 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2023-11-19 08:07:01,417 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2023-11-19 08:07:01,417 INFO L270 PluginConnector]: Initializing Witness Printer...
[2023-11-19 08:07:01,418 INFO L274 PluginConnector]: Witness Printer initialized
[2023-11-19 08:07:01,419 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:06:59" (3/4) ...
[2023-11-19 08:07:01,425 INFO L137 WitnessPrinter]: Generating witness for correct program
[2023-11-19 08:07:01,430 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump
[2023-11-19 08:07:01,431 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel
[2023-11-19 08:07:01,431 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup
[2023-11-19 08:07:01,431 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift
[2023-11-19 08:07:01,431 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise
[2023-11-19 08:07:01,431 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery
[2023-11-19 08:07:01,432 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm
[2023-11-19 08:07:01,444 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges
[2023-11-19 08:07:01,445 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges
[2023-11-19 08:07:01,445 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges
[2023-11-19 08:07:01,446 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2023-11-19 08:07:01,447 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2023-11-19 08:07:01,583 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58191cd1-5ff5-4681-9d5b-93a07fd3d2e0/bin/uautomizer-verify-uCwYo4JHxu/witness.graphml
[2023-11-19 08:07:01,584 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58191cd1-5ff5-4681-9d5b-93a07fd3d2e0/bin/uautomizer-verify-uCwYo4JHxu/witness.yml
[2023-11-19 08:07:01,584 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2023-11-19 08:07:01,585 INFO L158 Benchmark]: Toolchain (without parser) took 3738.36ms. Allocated memory was 125.8MB in the beginning and 195.0MB in the end (delta: 69.2MB). Free memory was 87.7MB in the beginning and 134.8MB in the end (delta: -47.1MB). Peak memory consumption was 21.4MB. Max. memory is 16.1GB.
[2023-11-19 08:07:01,585 INFO L158 Benchmark]: CDTParser took 0.46ms. Allocated memory is still 125.8MB. Free memory is still 93.0MB. There was no memory consumed. Max. memory is 16.1GB.
[2023-11-19 08:07:01,585 INFO L158 Benchmark]: CACSL2BoogieTranslator took 574.73ms. Allocated memory is still 125.8MB. Free memory was 87.2MB in the beginning and 81.3MB in the end (delta: 5.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB.
[2023-11-19 08:07:01,586 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.42ms. Allocated memory is still 125.8MB. Free memory was 81.3MB in the beginning and 79.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2023-11-19 08:07:01,586 INFO L158 Benchmark]: Boogie Preprocessor took 31.24ms. Allocated memory is still 125.8MB. Free memory was 79.2MB in the beginning and 77.8MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB.
[2023-11-19 08:07:01,586 INFO L158 Benchmark]: RCFGBuilder took 554.34ms. Allocated memory is still 125.8MB. Free memory was 77.8MB in the beginning and 62.9MB in the end (delta: 14.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB.
[2023-11-19 08:07:01,587 INFO L158 Benchmark]: TraceAbstraction took 2352.66ms. Allocated memory was 125.8MB in the beginning and 195.0MB in the end (delta: 69.2MB). Free memory was 62.0MB in the beginning and 142.1MB in the end (delta: -80.1MB). There was no memory consumed. Max. memory is 16.1GB.
[2023-11-19 08:07:01,587 INFO L158 Benchmark]: Witness Printer took 167.29ms. Allocated memory is still 195.0MB. Free memory was 142.1MB in the beginning and 134.8MB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB.
[2023-11-19 08:07:01,589 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 125.8MB. Free memory is still 93.0MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 574.73ms. Allocated memory is still 125.8MB. Free memory was 87.2MB in the beginning and 81.3MB in the end (delta: 5.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 50.42ms. Allocated memory is still 125.8MB. Free memory was 81.3MB in the beginning and 79.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 31.24ms. Allocated memory is still 125.8MB. Free memory was 79.2MB in the beginning and 77.8MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB.
* RCFGBuilder took 554.34ms. Allocated memory is still 125.8MB. Free memory was 77.8MB in the beginning and 62.9MB in the end (delta: 14.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB.
* TraceAbstraction took 2352.66ms. Allocated memory was 125.8MB in the beginning and 195.0MB in the end (delta: 69.2MB). Free memory was 62.0MB in the beginning and 142.1MB in the end (delta: -80.1MB). There was no memory consumed. Max. memory is 16.1GB.
* Witness Printer took 167.29ms. Allocated memory is still 195.0MB. Free memory was 142.1MB in the beginning and 134.8MB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator:
- GenericResultAtLocation [Line: 49]: Unsoundness Warning
Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [49]
- GenericResultAtLocation [Line: 87]: Unsoundness Warning
Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [87]
- GenericResultAtLocation [Line: 96]: Unsoundness Warning
Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [96]
- GenericResultAtLocation [Line: 168]: Unsoundness Warning
Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [168]
- GenericResultAtLocation [Line: 341]: Unsoundness Warning
Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [341]
- GenericResultAtLocation [Line: 707]: Unsoundness Warning
Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [707]
- GenericResultAtLocation [Line: 788]: Unsoundness Warning
Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [788]
- GenericResultAtLocation [Line: 884]: Unsoundness Warning
Ignoring preprocessor pragma C: #pragma merger(0,"Specification4_spec.i","") [884]
* 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: 92]: 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: 2.3s, OverallIterations: 6, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 207 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 202 mSDsluCounter, 838 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 421 mSDsCounter, 11 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 78 IncrementalHoareTripleChecker+Invalid, 89 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 11 mSolverCounterUnsat, 417 mSDtfsCounter, 78 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 34 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=199occurred in iteration=4, InterpolantAutomatonStates: 22, 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, 6 MinimizatonAttempts, 5 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 20 LocationsWithAnnotation, 166 PreInvPairs, 186 NumberOfFragments, 82 HoareAnnotationTreeSize, 166 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 20 FomulaSimplificationsInter, 541 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 156 NumberOfCodeBlocks, 156 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 150 ConstructedInterpolants, 0 QuantifiedInterpolants, 320 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 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: 112]: Loop Invariant
Derived loop invariant: ((pumpRunning == 0) && (splverifierCounter == 0))
- InvariantResult [Line: 111]: Loop Invariant
Derived loop invariant: 0
- InvariantResult [Line: 800]: Loop Invariant
Derived loop invariant: 1
RESULT: Ultimate proved your program to be correct!
[2023-11-19 08:07:01,625 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58191cd1-5ff5-4681-9d5b-93a07fd3d2e0/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