./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product61.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_64330899-5397-4242-b6f2-4ac4c5157a4a/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64330899-5397-4242-b6f2-4ac4c5157a4a/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_64330899-5397-4242-b6f2-4ac4c5157a4a/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64330899-5397-4242-b6f2-4ac4c5157a4a/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product61.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64330899-5397-4242-b6f2-4ac4c5157a4a/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_64330899-5397-4242-b6f2-4ac4c5157a4a/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 a5340faf3ec1f0e0bc66d280fc3b45c510e704ff1d108d74101ee8606e665888
--- Real Ultimate output ---
This is Ultimate 0.2.3-dev-9bd2c7f
[2023-11-19 07:39:51,161 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2023-11-19 07:39:51,235 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64330899-5397-4242-b6f2-4ac4c5157a4a/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-32bit-Automizer_Default.epf
[2023-11-19 07:39:51,240 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2023-11-19 07:39:51,240 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2023-11-19 07:39:51,266 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2023-11-19 07:39:51,267 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2023-11-19 07:39:51,268 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2023-11-19 07:39:51,268 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2023-11-19 07:39:51,269 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2023-11-19 07:39:51,270 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2023-11-19 07:39:51,270 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2023-11-19 07:39:51,271 INFO L153 SettingsManager]: * Use SBE=true
[2023-11-19 07:39:51,271 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-11-19 07:39:51,272 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2023-11-19 07:39:51,273 INFO L153 SettingsManager]: * sizeof long=4
[2023-11-19 07:39:51,273 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2023-11-19 07:39:51,273 INFO L153 SettingsManager]: * sizeof POINTER=4
[2023-11-19 07:39:51,274 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2023-11-19 07:39:51,274 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2023-11-19 07:39:51,275 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2023-11-19 07:39:51,275 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2023-11-19 07:39:51,276 INFO L153 SettingsManager]: * sizeof long double=12
[2023-11-19 07:39:51,276 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2023-11-19 07:39:51,277 INFO L153 SettingsManager]: * Use constant arrays=true
[2023-11-19 07:39:51,277 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-11-19 07:39:51,278 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2023-11-19 07:39:51,278 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2023-11-19 07:39:51,278 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-11-19 07:39:51,279 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-11-19 07:39:51,279 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2023-11-19 07:39:51,280 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2023-11-19 07:39:51,280 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2023-11-19 07:39:51,280 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2023-11-19 07:39:51,280 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2023-11-19 07:39:51,281 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2023-11-19 07:39:51,281 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2023-11-19 07:39:51,281 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2023-11-19 07:39:51,281 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC
[2023-11-19 07:39:51,281 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_64330899-5397-4242-b6f2-4ac4c5157a4a/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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64330899-5397-4242-b6f2-4ac4c5157a4a/bin/uautomizer-verify-uCwYo4JHxu
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a5340faf3ec1f0e0bc66d280fc3b45c510e704ff1d108d74101ee8606e665888
[2023-11-19 07:39:51,525 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2023-11-19 07:39:51,554 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-11-19 07:39:51,557 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-11-19 07:39:51,558 INFO L270 PluginConnector]: Initializing CDTParser...
[2023-11-19 07:39:51,563 INFO L274 PluginConnector]: CDTParser initialized
[2023-11-19 07:39:51,565 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64330899-5397-4242-b6f2-4ac4c5157a4a/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/product-lines/minepump_spec4_product61.cil.c
[2023-11-19 07:39:54,760 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2023-11-19 07:39:55,019 INFO L384 CDTParser]: Found 1 translation units.
[2023-11-19 07:39:55,020 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64330899-5397-4242-b6f2-4ac4c5157a4a/sv-benchmarks/c/product-lines/minepump_spec4_product61.cil.c
[2023-11-19 07:39:55,037 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64330899-5397-4242-b6f2-4ac4c5157a4a/bin/uautomizer-verify-uCwYo4JHxu/data/27d8a5212/8405eb81cc3d4b4b90dfde1b5d82ddb3/FLAG80bf82d6d
[2023-11-19 07:39:55,068 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64330899-5397-4242-b6f2-4ac4c5157a4a/bin/uautomizer-verify-uCwYo4JHxu/data/27d8a5212/8405eb81cc3d4b4b90dfde1b5d82ddb3
[2023-11-19 07:39:55,071 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-11-19 07:39:55,079 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2023-11-19 07:39:55,081 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-11-19 07:39:55,081 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-11-19 07:39:55,087 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2023-11-19 07:39:55,090 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:39:55" (1/1) ...
[2023-11-19 07:39:55,093 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ea224bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:55, skipping insertion in model container
[2023-11-19 07:39:55,093 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:39:55" (1/1) ...
[2023-11-19 07:39:55,170 INFO L177 MainTranslator]: Built tables and reachable declarations
[2023-11-19 07:39:55,345 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_64330899-5397-4242-b6f2-4ac4c5157a4a/sv-benchmarks/c/product-lines/minepump_spec4_product61.cil.c[1605,1618]
[2023-11-19 07:39:55,479 INFO L209 PostProcessor]: Analyzing one entry point: main
[2023-11-19 07:39:55,497 INFO L202 MainTranslator]: Completed pre-run
[2023-11-19 07:39:55,506 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [49]
[2023-11-19 07:39:55,508 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [58]
[2023-11-19 07:39:55,508 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [96]
[2023-11-19 07:39:55,508 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [347]
[2023-11-19 07:39:55,508 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [415]
[2023-11-19 07:39:55,509 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification4_spec.i","") [519]
[2023-11-19 07:39:55,509 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [545]
[2023-11-19 07:39:55,509 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [911]
[2023-11-19 07:39:55,513 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_64330899-5397-4242-b6f2-4ac4c5157a4a/sv-benchmarks/c/product-lines/minepump_spec4_product61.cil.c[1605,1618]
[2023-11-19 07:39:55,575 INFO L209 PostProcessor]: Analyzing one entry point: main
[2023-11-19 07:39:55,597 INFO L206 MainTranslator]: Completed translation
[2023-11-19 07:39:55,597 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:55 WrapperNode
[2023-11-19 07:39:55,598 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-11-19 07:39:55,599 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2023-11-19 07:39:55,599 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2023-11-19 07:39:55,599 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2023-11-19 07:39:55,607 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:55" (1/1) ...
[2023-11-19 07:39:55,624 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:55" (1/1) ...
[2023-11-19 07:39:55,660 INFO L138 Inliner]: procedures = 57, calls = 104, calls flagged for inlining = 24, calls inlined = 21, statements flattened = 236
[2023-11-19 07:39:55,661 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2023-11-19 07:39:55,662 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2023-11-19 07:39:55,662 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2023-11-19 07:39:55,662 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2023-11-19 07:39:55,675 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:55" (1/1) ...
[2023-11-19 07:39:55,676 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:55" (1/1) ...
[2023-11-19 07:39:55,679 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:55" (1/1) ...
[2023-11-19 07:39:55,679 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:55" (1/1) ...
[2023-11-19 07:39:55,687 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:55" (1/1) ...
[2023-11-19 07:39:55,692 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:55" (1/1) ...
[2023-11-19 07:39:55,695 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:55" (1/1) ...
[2023-11-19 07:39:55,697 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:55" (1/1) ...
[2023-11-19 07:39:55,700 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2023-11-19 07:39:55,701 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2023-11-19 07:39:55,702 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2023-11-19 07:39:55,702 INFO L274 PluginConnector]: RCFGBuilder initialized
[2023-11-19 07:39:55,703 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:55" (1/1) ...
[2023-11-19 07:39:55,710 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-11-19 07:39:55,727 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64330899-5397-4242-b6f2-4ac4c5157a4a/bin/uautomizer-verify-uCwYo4JHxu/z3
[2023-11-19 07:39:55,769 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64330899-5397-4242-b6f2-4ac4c5157a4a/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2023-11-19 07:39:55,815 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64330899-5397-4242-b6f2-4ac4c5157a4a/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2023-11-19 07:39:55,829 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2023-11-19 07:39:55,830 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base
[2023-11-19 07:39:55,830 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base
[2023-11-19 07:39:55,830 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup
[2023-11-19 07:39:55,832 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup
[2023-11-19 07:39:55,833 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift
[2023-11-19 07:39:55,833 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift
[2023-11-19 07:39:55,833 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor
[2023-11-19 07:39:55,833 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor
[2023-11-19 07:39:55,834 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise
[2023-11-19 07:39:55,834 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise
[2023-11-19 07:39:55,834 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery
[2023-11-19 07:39:55,834 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery
[2023-11-19 07:39:55,834 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm
[2023-11-19 07:39:55,834 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm
[2023-11-19 07:39:55,835 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump
[2023-11-19 07:39:55,835 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump
[2023-11-19 07:39:55,836 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2023-11-19 07:39:55,836 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel
[2023-11-19 07:39:55,836 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel
[2023-11-19 07:39:55,836 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2023-11-19 07:39:55,836 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2023-11-19 07:39:55,981 INFO L236 CfgBuilder]: Building ICFG
[2023-11-19 07:39:55,984 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation
[2023-11-19 07:39:56,333 INFO L277 CfgBuilder]: Performing block encoding
[2023-11-19 07:39:56,342 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2023-11-19 07:39:56,343 INFO L302 CfgBuilder]: Removed 2 assume(true) statements.
[2023-11-19 07:39:56,349 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:39:56 BoogieIcfgContainer
[2023-11-19 07:39:56,349 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2023-11-19 07:39:56,351 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2023-11-19 07:39:56,352 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2023-11-19 07:39:56,355 INFO L274 PluginConnector]: TraceAbstraction initialized
[2023-11-19 07:39:56,355 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:39:55" (1/3) ...
[2023-11-19 07:39:56,356 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5cce07f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:39:56, skipping insertion in model container
[2023-11-19 07:39:56,356 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:55" (2/3) ...
[2023-11-19 07:39:56,357 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5cce07f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:39:56, skipping insertion in model container
[2023-11-19 07:39:56,357 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:39:56" (3/3) ...
[2023-11-19 07:39:56,358 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product61.cil.c
[2023-11-19 07:39:56,382 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2023-11-19 07:39:56,382 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2023-11-19 07:39:56,443 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2023-11-19 07:39:56,450 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;@3665e8c3, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=<UNSUPPORTED>, UseSemiCommutativity=<UNSUPPORTED>, Solver=<NOT_USED>, SolverTimeout=<NOT_USED>]
[2023-11-19 07:39:56,450 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2023-11-19 07:39:56,454 INFO L276 IsEmpty]: Start isEmpty. Operand has 103 states, 76 states have (on average 1.381578947368421) internal successors, (105), 86 states have internal predecessors, (105), 16 states have call successors, (16), 9 states have call predecessors, (16), 9 states have return successors, (16), 11 states have call predecessors, (16), 16 states have call successors, (16)
[2023-11-19 07:39:56,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20
[2023-11-19 07:39:56,464 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-19 07:39:56,464 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 07:39:56,465 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-19 07:39:56,470 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:39:56,471 INFO L85 PathProgramCache]: Analyzing trace with hash 332135154, now seen corresponding path program 1 times
[2023-11-19 07:39:56,478 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:39:56,478 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1764674408]
[2023-11-19 07:39:56,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:39:56,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:39:56,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:39:56,667 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 07:39:56,668 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:39:56,668 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1764674408]
[2023-11-19 07:39:56,669 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1764674408] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:39:56,669 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:39:56,669 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-11-19 07:39:56,671 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1421247350]
[2023-11-19 07:39:56,672 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:39:56,677 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2023-11-19 07:39:56,678 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:39:56,733 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2023-11-19 07:39:56,734 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2023-11-19 07:39:56,738 INFO L87 Difference]: Start difference. First operand has 103 states, 76 states have (on average 1.381578947368421) internal successors, (105), 86 states have internal predecessors, (105), 16 states have call successors, (16), 9 states have call predecessors, (16), 9 states have return successors, (16), 11 states have call predecessors, (16), 16 states have call successors, (16) 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 07:39:56,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 07:39:56,806 INFO L93 Difference]: Finished difference Result 198 states and 269 transitions.
[2023-11-19 07:39:56,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2023-11-19 07:39:56,809 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 07:39:56,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 07:39:56,819 INFO L225 Difference]: With dead ends: 198
[2023-11-19 07:39:56,821 INFO L226 Difference]: Without dead ends: 94
[2023-11-19 07:39:56,825 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 07:39:56,828 INFO L413 NwaCegarLoop]: 131 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, 131 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2023-11-19 07:39:56,829 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 131 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-11-19 07:39:56,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states.
[2023-11-19 07:39:56,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 94.
[2023-11-19 07:39:56,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 69 states have (on average 1.318840579710145) internal successors, (91), 78 states have internal predecessors, (91), 16 states have call successors, (16), 9 states have call predecessors, (16), 8 states have return successors, (15), 10 states have call predecessors, (15), 15 states have call successors, (15)
[2023-11-19 07:39:56,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 122 transitions.
[2023-11-19 07:39:56,875 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 122 transitions. Word has length 19
[2023-11-19 07:39:56,876 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-19 07:39:56,876 INFO L495 AbstractCegarLoop]: Abstraction has 94 states and 122 transitions.
[2023-11-19 07:39:56,877 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 07:39:56,877 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 122 transitions.
[2023-11-19 07:39:56,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21
[2023-11-19 07:39:56,879 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-19 07:39:56,880 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 07:39:56,880 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2023-11-19 07:39:56,880 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-19 07:39:56,881 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:39:56,881 INFO L85 PathProgramCache]: Analyzing trace with hash 2057254746, now seen corresponding path program 1 times
[2023-11-19 07:39:56,881 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:39:56,882 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2057938976]
[2023-11-19 07:39:56,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:39:56,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:39:56,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:39:57,027 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 07:39:57,027 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:39:57,027 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2057938976]
[2023-11-19 07:39:57,028 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2057938976] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:39:57,028 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:39:57,028 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2023-11-19 07:39:57,029 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [483826947]
[2023-11-19 07:39:57,029 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:39:57,030 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-11-19 07:39:57,030 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:39:57,031 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-11-19 07:39:57,032 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-19 07:39:57,032 INFO L87 Difference]: Start difference. First operand 94 states and 122 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 07:39:57,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 07:39:57,053 INFO L93 Difference]: Finished difference Result 154 states and 200 transitions.
[2023-11-19 07:39:57,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2023-11-19 07:39:57,054 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 07:39:57,054 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 07:39:57,056 INFO L225 Difference]: With dead ends: 154
[2023-11-19 07:39:57,057 INFO L226 Difference]: Without dead ends: 85
[2023-11-19 07:39:57,058 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 07:39:57,060 INFO L413 NwaCegarLoop]: 109 mSDtfsCounter, 12 mSDsluCounter, 93 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 202 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2023-11-19 07:39:57,060 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 202 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-11-19 07:39:57,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states.
[2023-11-19 07:39:57,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 85.
[2023-11-19 07:39:57,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85 states, 63 states have (on average 1.3333333333333333) internal successors, (84), 72 states have internal predecessors, (84), 13 states have call successors, (13), 8 states have call predecessors, (13), 8 states have return successors, (13), 8 states have call predecessors, (13), 13 states have call successors, (13)
[2023-11-19 07:39:57,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 110 transitions.
[2023-11-19 07:39:57,076 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 110 transitions. Word has length 20
[2023-11-19 07:39:57,076 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-19 07:39:57,076 INFO L495 AbstractCegarLoop]: Abstraction has 85 states and 110 transitions.
[2023-11-19 07:39:57,077 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 07:39:57,077 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 110 transitions.
[2023-11-19 07:39:57,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25
[2023-11-19 07:39:57,078 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-19 07:39:57,079 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 07:39:57,079 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2023-11-19 07:39:57,079 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-19 07:39:57,080 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:39:57,080 INFO L85 PathProgramCache]: Analyzing trace with hash 1387625524, now seen corresponding path program 1 times
[2023-11-19 07:39:57,080 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:39:57,081 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1799218668]
[2023-11-19 07:39:57,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:39:57,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:39:57,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:39:57,289 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 07:39:57,289 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:39:57,290 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1799218668]
[2023-11-19 07:39:57,290 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1799218668] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:39:57,290 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:39:57,290 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-11-19 07:39:57,291 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [597788571]
[2023-11-19 07:39:57,305 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:39:57,305 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-11-19 07:39:57,306 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:39:57,306 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-11-19 07:39:57,307 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-19 07:39:57,307 INFO L87 Difference]: Start difference. First operand 85 states and 110 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 07:39:57,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 07:39:57,328 INFO L93 Difference]: Finished difference Result 163 states and 214 transitions.
[2023-11-19 07:39:57,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2023-11-19 07:39:57,329 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 07:39:57,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 07:39:57,331 INFO L225 Difference]: With dead ends: 163
[2023-11-19 07:39:57,332 INFO L226 Difference]: Without dead ends: 85
[2023-11-19 07:39:57,333 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 07:39:57,335 INFO L413 NwaCegarLoop]: 108 mSDtfsCounter, 92 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 92 SdHoareTripleChecker+Valid, 108 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2023-11-19 07:39:57,336 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [92 Valid, 108 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-11-19 07:39:57,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states.
[2023-11-19 07:39:57,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 85.
[2023-11-19 07:39:57,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85 states, 63 states have (on average 1.3174603174603174) internal successors, (83), 72 states have internal predecessors, (83), 13 states have call successors, (13), 8 states have call predecessors, (13), 8 states have return successors, (13), 8 states have call predecessors, (13), 13 states have call successors, (13)
[2023-11-19 07:39:57,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 109 transitions.
[2023-11-19 07:39:57,380 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 109 transitions. Word has length 24
[2023-11-19 07:39:57,380 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-19 07:39:57,380 INFO L495 AbstractCegarLoop]: Abstraction has 85 states and 109 transitions.
[2023-11-19 07:39:57,381 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 07:39:57,381 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 109 transitions.
[2023-11-19 07:39:57,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38
[2023-11-19 07:39:57,383 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-19 07:39:57,383 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:39:57,384 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2023-11-19 07:39:57,384 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-19 07:39:57,385 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:39:57,385 INFO L85 PathProgramCache]: Analyzing trace with hash 610675451, now seen corresponding path program 1 times
[2023-11-19 07:39:57,385 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:39:57,385 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [700572238]
[2023-11-19 07:39:57,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:39:57,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:39:57,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:39:57,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19
[2023-11-19 07:39:57,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:39:57,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26
[2023-11-19 07:39:57,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:39:57,557 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 07:39:57,557 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:39:57,557 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [700572238]
[2023-11-19 07:39:57,558 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [700572238] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:39:57,558 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:39:57,558 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2023-11-19 07:39:57,558 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [415971816]
[2023-11-19 07:39:57,558 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:39:57,559 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2023-11-19 07:39:57,559 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:39:57,560 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2023-11-19 07:39:57,560 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2023-11-19 07:39:57,561 INFO L87 Difference]: Start difference. First operand 85 states and 109 transitions. Second operand has 4 states, 4 states have (on average 8.0) internal successors, (32), 3 states have internal predecessors, (32), 2 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 07:39:57,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 07:39:57,868 INFO L93 Difference]: Finished difference Result 238 states and 306 transitions.
[2023-11-19 07:39:57,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2023-11-19 07:39:57,869 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.0) internal successors, (32), 3 states have internal predecessors, (32), 2 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 37
[2023-11-19 07:39:57,870 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 07:39:57,877 INFO L225 Difference]: With dead ends: 238
[2023-11-19 07:39:57,878 INFO L226 Difference]: Without dead ends: 160
[2023-11-19 07:39:57,881 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2023-11-19 07:39:57,883 INFO L413 NwaCegarLoop]: 79 mSDtfsCounter, 153 mSDsluCounter, 106 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 157 SdHoareTripleChecker+Valid, 185 SdHoareTripleChecker+Invalid, 118 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2023-11-19 07:39:57,884 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [157 Valid, 185 Invalid, 118 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2023-11-19 07:39:57,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states.
[2023-11-19 07:39:57,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 154.
[2023-11-19 07:39:57,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 154 states, 117 states have (on average 1.2735042735042734) internal successors, (149), 126 states have internal predecessors, (149), 16 states have call successors, (16), 15 states have call predecessors, (16), 20 states have return successors, (27), 18 states have call predecessors, (27), 16 states have call successors, (27)
[2023-11-19 07:39:57,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 192 transitions.
[2023-11-19 07:39:57,908 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 192 transitions. Word has length 37
[2023-11-19 07:39:57,909 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-19 07:39:57,909 INFO L495 AbstractCegarLoop]: Abstraction has 154 states and 192 transitions.
[2023-11-19 07:39:57,909 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.0) internal successors, (32), 3 states have internal predecessors, (32), 2 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 07:39:57,909 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 192 transitions.
[2023-11-19 07:39:57,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46
[2023-11-19 07:39:57,911 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-19 07:39:57,911 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:39:57,912 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2023-11-19 07:39:57,912 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-19 07:39:57,913 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:39:57,913 INFO L85 PathProgramCache]: Analyzing trace with hash -1599675381, now seen corresponding path program 1 times
[2023-11-19 07:39:57,913 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:39:57,913 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1787690414]
[2023-11-19 07:39:57,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:39:57,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:39:57,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:39:58,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19
[2023-11-19 07:39:58,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:39:58,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2023-11-19 07:39:58,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:39:58,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8
[2023-11-19 07:39:58,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:39:58,108 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 07:39:58,108 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:39:58,109 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1787690414]
[2023-11-19 07:39:58,110 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1787690414] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:39:58,110 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:39:58,110 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2023-11-19 07:39:58,111 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [764606960]
[2023-11-19 07:39:58,112 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:39:58,113 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2023-11-19 07:39:58,114 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:39:58,114 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2023-11-19 07:39:58,115 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42
[2023-11-19 07:39:58,115 INFO L87 Difference]: Start difference. First operand 154 states and 192 transitions. Second operand has 7 states, 7 states have (on average 5.428571428571429) internal successors, (38), 6 states have internal predecessors, (38), 3 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3)
[2023-11-19 07:39:58,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 07:39:58,790 INFO L93 Difference]: Finished difference Result 581 states and 770 transitions.
[2023-11-19 07:39:58,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states.
[2023-11-19 07:39:58,792 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.428571428571429) internal successors, (38), 6 states have internal predecessors, (38), 3 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 45
[2023-11-19 07:39:58,793 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 07:39:58,804 INFO L225 Difference]: With dead ends: 581
[2023-11-19 07:39:58,805 INFO L226 Difference]: Without dead ends: 434
[2023-11-19 07:39:58,807 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=105, Invalid=237, Unknown=0, NotChecked=0, Total=342
[2023-11-19 07:39:58,817 INFO L413 NwaCegarLoop]: 94 mSDtfsCounter, 348 mSDsluCounter, 396 mSDsCounter, 0 mSdLazyCounter, 290 mSolverCounterSat, 109 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 353 SdHoareTripleChecker+Valid, 490 SdHoareTripleChecker+Invalid, 399 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 109 IncrementalHoareTripleChecker+Valid, 290 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time
[2023-11-19 07:39:58,818 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [353 Valid, 490 Invalid, 399 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [109 Valid, 290 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time]
[2023-11-19 07:39:58,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 434 states.
[2023-11-19 07:39:58,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 434 to 424.
[2023-11-19 07:39:58,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 424 states, 317 states have (on average 1.2460567823343849) internal successors, (395), 342 states have internal predecessors, (395), 46 states have call successors, (46), 43 states have call predecessors, (46), 60 states have return successors, (105), 54 states have call predecessors, (105), 46 states have call successors, (105)
[2023-11-19 07:39:58,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 424 states to 424 states and 546 transitions.
[2023-11-19 07:39:58,928 INFO L78 Accepts]: Start accepts. Automaton has 424 states and 546 transitions. Word has length 45
[2023-11-19 07:39:58,930 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-19 07:39:58,930 INFO L495 AbstractCegarLoop]: Abstraction has 424 states and 546 transitions.
[2023-11-19 07:39:58,931 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.428571428571429) internal successors, (38), 6 states have internal predecessors, (38), 3 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3)
[2023-11-19 07:39:58,932 INFO L276 IsEmpty]: Start isEmpty. Operand 424 states and 546 transitions.
[2023-11-19 07:39:58,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50
[2023-11-19 07:39:58,944 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-19 07:39:58,945 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:39:58,945 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2023-11-19 07:39:58,947 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-19 07:39:58,949 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:39:58,952 INFO L85 PathProgramCache]: Analyzing trace with hash 414561125, now seen corresponding path program 1 times
[2023-11-19 07:39:58,953 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:39:58,953 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1633938390]
[2023-11-19 07:39:58,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:39:58,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:39:58,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:39:59,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11
[2023-11-19 07:39:59,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:39:59,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23
[2023-11-19 07:39:59,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:39:59,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2023-11-19 07:39:59,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:39:59,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8
[2023-11-19 07:39:59,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:39:59,180 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 07:39:59,180 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:39:59,181 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1633938390]
[2023-11-19 07:39:59,181 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1633938390] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:39:59,181 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:39:59,181 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2023-11-19 07:39:59,182 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1044080284]
[2023-11-19 07:39:59,182 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:39:59,182 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2023-11-19 07:39:59,182 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:39:59,183 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2023-11-19 07:39:59,184 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42
[2023-11-19 07:39:59,184 INFO L87 Difference]: Start difference. First operand 424 states and 546 transitions. Second operand has 7 states, 7 states have (on average 5.714285714285714) internal successors, (40), 5 states have internal predecessors, (40), 2 states have call successors, (5), 4 states have call predecessors, (5), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4)
[2023-11-19 07:39:59,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 07:39:59,804 INFO L93 Difference]: Finished difference Result 507 states and 654 transitions.
[2023-11-19 07:39:59,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states.
[2023-11-19 07:39:59,805 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.714285714285714) internal successors, (40), 5 states have internal predecessors, (40), 2 states have call successors, (5), 4 states have call predecessors, (5), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) Word has length 49
[2023-11-19 07:39:59,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 07:39:59,809 INFO L225 Difference]: With dead ends: 507
[2023-11-19 07:39:59,810 INFO L226 Difference]: Without dead ends: 505
[2023-11-19 07:39:59,810 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 91 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=127, Invalid=335, Unknown=0, NotChecked=0, Total=462
[2023-11-19 07:39:59,812 INFO L413 NwaCegarLoop]: 53 mSDtfsCounter, 226 mSDsluCounter, 253 mSDsCounter, 0 mSdLazyCounter, 369 mSolverCounterSat, 71 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 228 SdHoareTripleChecker+Valid, 306 SdHoareTripleChecker+Invalid, 440 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 71 IncrementalHoareTripleChecker+Valid, 369 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time
[2023-11-19 07:39:59,812 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [228 Valid, 306 Invalid, 440 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [71 Valid, 369 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time]
[2023-11-19 07:39:59,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 505 states.
[2023-11-19 07:39:59,862 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 505 to 465.
[2023-11-19 07:39:59,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 465 states, 350 states have (on average 1.2314285714285715) internal successors, (431), 378 states have internal predecessors, (431), 50 states have call successors, (50), 43 states have call predecessors, (50), 64 states have return successors, (119), 59 states have call predecessors, (119), 50 states have call successors, (119)
[2023-11-19 07:39:59,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 465 states to 465 states and 600 transitions.
[2023-11-19 07:39:59,871 INFO L78 Accepts]: Start accepts. Automaton has 465 states and 600 transitions. Word has length 49
[2023-11-19 07:39:59,871 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-19 07:39:59,872 INFO L495 AbstractCegarLoop]: Abstraction has 465 states and 600 transitions.
[2023-11-19 07:39:59,872 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.714285714285714) internal successors, (40), 5 states have internal predecessors, (40), 2 states have call successors, (5), 4 states have call predecessors, (5), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4)
[2023-11-19 07:39:59,872 INFO L276 IsEmpty]: Start isEmpty. Operand 465 states and 600 transitions.
[2023-11-19 07:39:59,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56
[2023-11-19 07:39:59,875 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-19 07:39:59,875 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:39:59,875 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2023-11-19 07:39:59,876 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-19 07:39:59,876 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:39:59,876 INFO L85 PathProgramCache]: Analyzing trace with hash -1510129521, now seen corresponding path program 1 times
[2023-11-19 07:39:59,876 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:39:59,877 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [131541444]
[2023-11-19 07:39:59,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:39:59,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:39:59,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:39:59,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11
[2023-11-19 07:39:59,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:39:59,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23
[2023-11-19 07:39:59,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:39:59,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2023-11-19 07:39:59,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:40:00,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8
[2023-11-19 07:40:00,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:40:00,032 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 07:40:00,033 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:40:00,033 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [131541444]
[2023-11-19 07:40:00,033 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [131541444] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:40:00,033 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:40:00,034 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2023-11-19 07:40:00,034 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1130950050]
[2023-11-19 07:40:00,034 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:40:00,034 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2023-11-19 07:40:00,035 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:40:00,035 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2023-11-19 07:40:00,036 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42
[2023-11-19 07:40:00,036 INFO L87 Difference]: Start difference. First operand 465 states and 600 transitions. Second operand has 7 states, 7 states have (on average 6.571428571428571) internal successors, (46), 5 states have internal predecessors, (46), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4)
[2023-11-19 07:40:00,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 07:40:00,448 INFO L93 Difference]: Finished difference Result 971 states and 1329 transitions.
[2023-11-19 07:40:00,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states.
[2023-11-19 07:40:00,449 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.571428571428571) internal successors, (46), 5 states have internal predecessors, (46), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 55
[2023-11-19 07:40:00,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 07:40:00,454 INFO L225 Difference]: With dead ends: 971
[2023-11-19 07:40:00,454 INFO L226 Difference]: Without dead ends: 513
[2023-11-19 07:40:00,457 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132
[2023-11-19 07:40:00,458 INFO L413 NwaCegarLoop]: 57 mSDtfsCounter, 157 mSDsluCounter, 228 mSDsCounter, 0 mSdLazyCounter, 336 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 158 SdHoareTripleChecker+Valid, 285 SdHoareTripleChecker+Invalid, 389 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 336 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time
[2023-11-19 07:40:00,458 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [158 Valid, 285 Invalid, 389 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 336 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time]
[2023-11-19 07:40:00,460 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 513 states.
[2023-11-19 07:40:00,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 513 to 474.
[2023-11-19 07:40:00,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 474 states, 359 states have (on average 1.2256267409470751) internal successors, (440), 387 states have internal predecessors, (440), 50 states have call successors, (50), 43 states have call predecessors, (50), 64 states have return successors, (119), 59 states have call predecessors, (119), 50 states have call successors, (119)
[2023-11-19 07:40:00,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 474 states to 474 states and 609 transitions.
[2023-11-19 07:40:00,510 INFO L78 Accepts]: Start accepts. Automaton has 474 states and 609 transitions. Word has length 55
[2023-11-19 07:40:00,510 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-19 07:40:00,511 INFO L495 AbstractCegarLoop]: Abstraction has 474 states and 609 transitions.
[2023-11-19 07:40:00,511 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.571428571428571) internal successors, (46), 5 states have internal predecessors, (46), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4)
[2023-11-19 07:40:00,511 INFO L276 IsEmpty]: Start isEmpty. Operand 474 states and 609 transitions.
[2023-11-19 07:40:00,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56
[2023-11-19 07:40:00,512 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-19 07:40:00,513 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:40:00,513 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2023-11-19 07:40:00,513 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-19 07:40:00,514 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:40:00,514 INFO L85 PathProgramCache]: Analyzing trace with hash -1644143027, now seen corresponding path program 1 times
[2023-11-19 07:40:00,514 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:40:00,514 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1017029485]
[2023-11-19 07:40:00,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:40:00,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:40:00,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:40:00,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11
[2023-11-19 07:40:00,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:40:00,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23
[2023-11-19 07:40:00,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:40:00,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2023-11-19 07:40:00,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:40:00,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8
[2023-11-19 07:40:00,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:40:00,704 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 07:40:00,704 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:40:00,704 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1017029485]
[2023-11-19 07:40:00,704 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1017029485] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:40:00,705 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:40:00,705 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2023-11-19 07:40:00,705 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1272477363]
[2023-11-19 07:40:00,705 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:40:00,706 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2023-11-19 07:40:00,706 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:40:00,707 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2023-11-19 07:40:00,707 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42
[2023-11-19 07:40:00,707 INFO L87 Difference]: Start difference. First operand 474 states and 609 transitions. Second operand has 7 states, 7 states have (on average 6.571428571428571) internal successors, (46), 5 states have internal predecessors, (46), 3 states have call successors, (5), 4 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4)
[2023-11-19 07:40:01,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 07:40:01,085 INFO L93 Difference]: Finished difference Result 942 states and 1257 transitions.
[2023-11-19 07:40:01,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states.
[2023-11-19 07:40:01,086 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.571428571428571) internal successors, (46), 5 states have internal predecessors, (46), 3 states have call successors, (5), 4 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) Word has length 55
[2023-11-19 07:40:01,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 07:40:01,091 INFO L225 Difference]: With dead ends: 942
[2023-11-19 07:40:01,091 INFO L226 Difference]: Without dead ends: 475
[2023-11-19 07:40:01,094 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132
[2023-11-19 07:40:01,095 INFO L413 NwaCegarLoop]: 53 mSDtfsCounter, 259 mSDsluCounter, 168 mSDsCounter, 0 mSdLazyCounter, 262 mSolverCounterSat, 84 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 262 SdHoareTripleChecker+Valid, 221 SdHoareTripleChecker+Invalid, 346 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 84 IncrementalHoareTripleChecker+Valid, 262 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time
[2023-11-19 07:40:01,096 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [262 Valid, 221 Invalid, 346 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [84 Valid, 262 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time]
[2023-11-19 07:40:01,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 475 states.
[2023-11-19 07:40:01,144 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 475 to 458.
[2023-11-19 07:40:01,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 458 states, 346 states have (on average 1.2196531791907514) internal successors, (422), 373 states have internal predecessors, (422), 50 states have call successors, (50), 42 states have call predecessors, (50), 61 states have return successors, (113), 57 states have call predecessors, (113), 50 states have call successors, (113)
[2023-11-19 07:40:01,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 458 states and 585 transitions.
[2023-11-19 07:40:01,150 INFO L78 Accepts]: Start accepts. Automaton has 458 states and 585 transitions. Word has length 55
[2023-11-19 07:40:01,152 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-19 07:40:01,152 INFO L495 AbstractCegarLoop]: Abstraction has 458 states and 585 transitions.
[2023-11-19 07:40:01,152 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.571428571428571) internal successors, (46), 5 states have internal predecessors, (46), 3 states have call successors, (5), 4 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4)
[2023-11-19 07:40:01,152 INFO L276 IsEmpty]: Start isEmpty. Operand 458 states and 585 transitions.
[2023-11-19 07:40:01,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102
[2023-11-19 07:40:01,156 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-19 07:40:01,157 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:40:01,157 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2023-11-19 07:40:01,157 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-19 07:40:01,158 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:40:01,158 INFO L85 PathProgramCache]: Analyzing trace with hash -438470018, now seen corresponding path program 1 times
[2023-11-19 07:40:01,158 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:40:01,158 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1641976171]
[2023-11-19 07:40:01,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:40:01,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:40:01,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:40:01,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15
[2023-11-19 07:40:01,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:40:01,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3
[2023-11-19 07:40:01,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:40:01,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2023-11-19 07:40:01,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:40:01,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8
[2023-11-19 07:40:01,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:40:01,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55
[2023-11-19 07:40:01,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:40:01,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69
[2023-11-19 07:40:01,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:40:01,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76
[2023-11-19 07:40:01,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:40:01,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7
[2023-11-19 07:40:01,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:40:01,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2023-11-19 07:40:01,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:40:01,429 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 16 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked.
[2023-11-19 07:40:01,430 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:40:01,430 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1641976171]
[2023-11-19 07:40:01,430 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1641976171] provided 0 perfect and 1 imperfect interpolant sequences
[2023-11-19 07:40:01,430 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2015347516]
[2023-11-19 07:40:01,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:40:01,430 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-19 07:40:01,431 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64330899-5397-4242-b6f2-4ac4c5157a4a/bin/uautomizer-verify-uCwYo4JHxu/z3
[2023-11-19 07:40:01,432 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64330899-5397-4242-b6f2-4ac4c5157a4a/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2023-11-19 07:40:01,461 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64330899-5397-4242-b6f2-4ac4c5157a4a/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2023-11-19 07:40:01,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:40:01,552 INFO L262 TraceCheckSpWp]: Trace formula consists of 339 conjuncts, 4 conjunts are in the unsatisfiable core
[2023-11-19 07:40:01,560 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2023-11-19 07:40:01,814 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 07:40:01,814 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-11-19 07:40:01,815 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2015347516] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:40:01,815 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2023-11-19 07:40:01,815 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [9] total 12
[2023-11-19 07:40:01,815 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1177158089]
[2023-11-19 07:40:01,816 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:40:01,816 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2023-11-19 07:40:01,816 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:40:01,817 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2023-11-19 07:40:01,817 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132
[2023-11-19 07:40:01,818 INFO L87 Difference]: Start difference. First operand 458 states and 585 transitions. Second operand has 6 states, 6 states have (on average 13.666666666666666) internal successors, (82), 6 states have internal predecessors, (82), 5 states have call successors, (10), 4 states have call predecessors, (10), 3 states have return successors, (9), 3 states have call predecessors, (9), 5 states have call successors, (9)
[2023-11-19 07:40:02,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 07:40:02,239 INFO L93 Difference]: Finished difference Result 859 states and 1148 transitions.
[2023-11-19 07:40:02,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states.
[2023-11-19 07:40:02,240 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.666666666666666) internal successors, (82), 6 states have internal predecessors, (82), 5 states have call successors, (10), 4 states have call predecessors, (10), 3 states have return successors, (9), 3 states have call predecessors, (9), 5 states have call successors, (9) Word has length 101
[2023-11-19 07:40:02,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 07:40:02,244 INFO L225 Difference]: With dead ends: 859
[2023-11-19 07:40:02,244 INFO L226 Difference]: Without dead ends: 408
[2023-11-19 07:40:02,246 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 115 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156
[2023-11-19 07:40:02,249 INFO L413 NwaCegarLoop]: 86 mSDtfsCounter, 200 mSDsluCounter, 157 mSDsCounter, 0 mSdLazyCounter, 381 mSolverCounterSat, 66 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 213 SdHoareTripleChecker+Valid, 243 SdHoareTripleChecker+Invalid, 447 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 66 IncrementalHoareTripleChecker+Valid, 381 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time
[2023-11-19 07:40:02,249 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [213 Valid, 243 Invalid, 447 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [66 Valid, 381 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time]
[2023-11-19 07:40:02,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 408 states.
[2023-11-19 07:40:02,292 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 408 to 404.
[2023-11-19 07:40:02,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 404 states, 307 states have (on average 1.228013029315961) internal successors, (377), 327 states have internal predecessors, (377), 49 states have call successors, (49), 42 states have call predecessors, (49), 47 states have return successors, (93), 47 states have call predecessors, (93), 49 states have call successors, (93)
[2023-11-19 07:40:02,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 404 states and 519 transitions.
[2023-11-19 07:40:02,298 INFO L78 Accepts]: Start accepts. Automaton has 404 states and 519 transitions. Word has length 101
[2023-11-19 07:40:02,298 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-19 07:40:02,298 INFO L495 AbstractCegarLoop]: Abstraction has 404 states and 519 transitions.
[2023-11-19 07:40:02,299 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.666666666666666) internal successors, (82), 6 states have internal predecessors, (82), 5 states have call successors, (10), 4 states have call predecessors, (10), 3 states have return successors, (9), 3 states have call predecessors, (9), 5 states have call successors, (9)
[2023-11-19 07:40:02,299 INFO L276 IsEmpty]: Start isEmpty. Operand 404 states and 519 transitions.
[2023-11-19 07:40:02,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102
[2023-11-19 07:40:02,304 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-19 07:40:02,304 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:40:02,330 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64330899-5397-4242-b6f2-4ac4c5157a4a/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0
[2023-11-19 07:40:02,523 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64330899-5397-4242-b6f2-4ac4c5157a4a/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-19 07:40:02,524 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-19 07:40:02,524 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:40:02,524 INFO L85 PathProgramCache]: Analyzing trace with hash -493181504, now seen corresponding path program 1 times
[2023-11-19 07:40:02,524 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:40:02,524 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1602808014]
[2023-11-19 07:40:02,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:40:02,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:40:02,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:40:02,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11
[2023-11-19 07:40:02,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:40:02,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19
[2023-11-19 07:40:02,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:40:02,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3
[2023-11-19 07:40:02,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:40:02,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2023-11-19 07:40:02,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:40:02,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8
[2023-11-19 07:40:02,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:40:02,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69
[2023-11-19 07:40:02,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:40:02,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76
[2023-11-19 07:40:02,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:40:02,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7
[2023-11-19 07:40:02,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:40:02,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2023-11-19 07:40:02,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:40:02,800 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 11 proven. 9 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked.
[2023-11-19 07:40:02,800 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:40:02,800 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1602808014]
[2023-11-19 07:40:02,801 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1602808014] provided 0 perfect and 1 imperfect interpolant sequences
[2023-11-19 07:40:02,801 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1173169644]
[2023-11-19 07:40:02,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:40:02,801 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-19 07:40:02,801 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64330899-5397-4242-b6f2-4ac4c5157a4a/bin/uautomizer-verify-uCwYo4JHxu/z3
[2023-11-19 07:40:02,802 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64330899-5397-4242-b6f2-4ac4c5157a4a/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2023-11-19 07:40:02,804 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64330899-5397-4242-b6f2-4ac4c5157a4a/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2023-11-19 07:40:02,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:40:02,957 INFO L262 TraceCheckSpWp]: Trace formula consists of 341 conjuncts, 8 conjunts are in the unsatisfiable core
[2023-11-19 07:40:02,962 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2023-11-19 07:40:03,117 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 16 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 07:40:03,117 INFO L327 TraceCheckSpWp]: Computing backward predicates...
[2023-11-19 07:40:03,303 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 12 proven. 8 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked.
[2023-11-19 07:40:03,304 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1173169644] provided 0 perfect and 2 imperfect interpolant sequences
[2023-11-19 07:40:03,304 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2023-11-19 07:40:03,304 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 6, 6] total 11
[2023-11-19 07:40:03,304 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1308653459]
[2023-11-19 07:40:03,305 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2023-11-19 07:40:03,306 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states
[2023-11-19 07:40:03,306 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:40:03,307 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants.
[2023-11-19 07:40:03,308 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110
[2023-11-19 07:40:03,308 INFO L87 Difference]: Start difference. First operand 404 states and 519 transitions. Second operand has 11 states, 11 states have (on average 9.272727272727273) internal successors, (102), 8 states have internal predecessors, (102), 3 states have call successors, (21), 6 states have call predecessors, (21), 3 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14)
[2023-11-19 07:40:04,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 07:40:04,183 INFO L93 Difference]: Finished difference Result 959 states and 1282 transitions.
[2023-11-19 07:40:04,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states.
[2023-11-19 07:40:04,183 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 9.272727272727273) internal successors, (102), 8 states have internal predecessors, (102), 3 states have call successors, (21), 6 states have call predecessors, (21), 3 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) Word has length 101
[2023-11-19 07:40:04,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 07:40:04,189 INFO L225 Difference]: With dead ends: 959
[2023-11-19 07:40:04,189 INFO L226 Difference]: Without dead ends: 605
[2023-11-19 07:40:04,192 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 257 GetRequests, 217 SyntacticMatches, 8 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 301 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=279, Invalid=843, Unknown=0, NotChecked=0, Total=1122
[2023-11-19 07:40:04,193 INFO L413 NwaCegarLoop]: 78 mSDtfsCounter, 442 mSDsluCounter, 501 mSDsCounter, 0 mSdLazyCounter, 744 mSolverCounterSat, 152 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 448 SdHoareTripleChecker+Valid, 579 SdHoareTripleChecker+Invalid, 896 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 152 IncrementalHoareTripleChecker+Valid, 744 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time
[2023-11-19 07:40:04,194 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [448 Valid, 579 Invalid, 896 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [152 Valid, 744 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time]
[2023-11-19 07:40:04,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 605 states.
[2023-11-19 07:40:04,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 605 to 563.
[2023-11-19 07:40:04,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 563 states, 426 states have (on average 1.2253521126760563) internal successors, (522), 453 states have internal predecessors, (522), 70 states have call successors, (70), 61 states have call predecessors, (70), 66 states have return successors, (139), 64 states have call predecessors, (139), 70 states have call successors, (139)
[2023-11-19 07:40:04,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 563 states to 563 states and 731 transitions.
[2023-11-19 07:40:04,255 INFO L78 Accepts]: Start accepts. Automaton has 563 states and 731 transitions. Word has length 101
[2023-11-19 07:40:04,257 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-19 07:40:04,257 INFO L495 AbstractCegarLoop]: Abstraction has 563 states and 731 transitions.
[2023-11-19 07:40:04,257 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 9.272727272727273) internal successors, (102), 8 states have internal predecessors, (102), 3 states have call successors, (21), 6 states have call predecessors, (21), 3 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14)
[2023-11-19 07:40:04,257 INFO L276 IsEmpty]: Start isEmpty. Operand 563 states and 731 transitions.
[2023-11-19 07:40:04,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148
[2023-11-19 07:40:04,264 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-19 07:40:04,265 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:40:04,290 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64330899-5397-4242-b6f2-4ac4c5157a4a/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0
[2023-11-19 07:40:04,486 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64330899-5397-4242-b6f2-4ac4c5157a4a/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9
[2023-11-19 07:40:04,486 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-19 07:40:04,487 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:40:04,487 INFO L85 PathProgramCache]: Analyzing trace with hash -879070667, now seen corresponding path program 2 times
[2023-11-19 07:40:04,487 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:40:04,487 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1022328604]
[2023-11-19 07:40:04,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:40:04,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:40:04,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:40:04,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11
[2023-11-19 07:40:04,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:40:04,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19
[2023-11-19 07:40:04,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:40:04,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3
[2023-11-19 07:40:04,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:40:04,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2023-11-19 07:40:04,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:40:04,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8
[2023-11-19 07:40:04,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:40:04,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63
[2023-11-19 07:40:04,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:40:04,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5
[2023-11-19 07:40:04,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:40:04,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12
[2023-11-19 07:40:04,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:40:05,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7
[2023-11-19 07:40:05,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:40:05,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2023-11-19 07:40:05,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:40:05,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115
[2023-11-19 07:40:05,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:40:05,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122
[2023-11-19 07:40:05,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:40:05,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7
[2023-11-19 07:40:05,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:40:05,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2023-11-19 07:40:05,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:40:05,029 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 49 proven. 23 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked.
[2023-11-19 07:40:05,029 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:40:05,029 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1022328604]
[2023-11-19 07:40:05,029 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1022328604] provided 0 perfect and 1 imperfect interpolant sequences
[2023-11-19 07:40:05,030 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1545063732]
[2023-11-19 07:40:05,030 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2023-11-19 07:40:05,030 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-19 07:40:05,030 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64330899-5397-4242-b6f2-4ac4c5157a4a/bin/uautomizer-verify-uCwYo4JHxu/z3
[2023-11-19 07:40:05,031 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64330899-5397-4242-b6f2-4ac4c5157a4a/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2023-11-19 07:40:05,056 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64330899-5397-4242-b6f2-4ac4c5157a4a/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process
[2023-11-19 07:40:05,179 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2023-11-19 07:40:05,179 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2023-11-19 07:40:05,182 INFO L262 TraceCheckSpWp]: Trace formula consists of 455 conjuncts, 12 conjunts are in the unsatisfiable core
[2023-11-19 07:40:05,199 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2023-11-19 07:40:05,303 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked.
[2023-11-19 07:40:05,303 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-11-19 07:40:05,304 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1545063732] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:40:05,304 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2023-11-19 07:40:05,304 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [11] total 12
[2023-11-19 07:40:05,304 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1173492912]
[2023-11-19 07:40:05,304 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:40:05,305 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2023-11-19 07:40:05,305 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:40:05,306 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2023-11-19 07:40:05,306 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132
[2023-11-19 07:40:05,307 INFO L87 Difference]: Start difference. First operand 563 states and 731 transitions. Second operand has 6 states, 6 states have (on average 17.666666666666668) internal successors, (106), 6 states have internal predecessors, (106), 3 states have call successors, (14), 4 states have call predecessors, (14), 3 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14)
[2023-11-19 07:40:05,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 07:40:05,741 INFO L93 Difference]: Finished difference Result 1451 states and 1937 transitions.
[2023-11-19 07:40:05,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states.
[2023-11-19 07:40:05,742 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 17.666666666666668) internal successors, (106), 6 states have internal predecessors, (106), 3 states have call successors, (14), 4 states have call predecessors, (14), 3 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) Word has length 147
[2023-11-19 07:40:05,742 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 07:40:05,750 INFO L225 Difference]: With dead ends: 1451
[2023-11-19 07:40:05,750 INFO L226 Difference]: Without dead ends: 937
[2023-11-19 07:40:05,753 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 192 GetRequests, 174 SyntacticMatches, 3 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=57, Invalid=215, Unknown=0, NotChecked=0, Total=272
[2023-11-19 07:40:05,754 INFO L413 NwaCegarLoop]: 176 mSDtfsCounter, 155 mSDsluCounter, 527 mSDsCounter, 0 mSdLazyCounter, 156 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 157 SdHoareTripleChecker+Valid, 703 SdHoareTripleChecker+Invalid, 165 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 156 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2023-11-19 07:40:05,755 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [157 Valid, 703 Invalid, 165 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 156 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2023-11-19 07:40:05,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 937 states.
[2023-11-19 07:40:05,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 937 to 826.
[2023-11-19 07:40:05,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 826 states, 621 states have (on average 1.2077294685990339) internal successors, (750), 654 states have internal predecessors, (750), 96 states have call successors, (96), 90 states have call predecessors, (96), 108 states have return successors, (196), 101 states have call predecessors, (196), 96 states have call successors, (196)
[2023-11-19 07:40:05,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 826 states to 826 states and 1042 transitions.
[2023-11-19 07:40:05,848 INFO L78 Accepts]: Start accepts. Automaton has 826 states and 1042 transitions. Word has length 147
[2023-11-19 07:40:05,849 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-19 07:40:05,849 INFO L495 AbstractCegarLoop]: Abstraction has 826 states and 1042 transitions.
[2023-11-19 07:40:05,849 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 17.666666666666668) internal successors, (106), 6 states have internal predecessors, (106), 3 states have call successors, (14), 4 states have call predecessors, (14), 3 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14)
[2023-11-19 07:40:05,849 INFO L276 IsEmpty]: Start isEmpty. Operand 826 states and 1042 transitions.
[2023-11-19 07:40:05,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148
[2023-11-19 07:40:05,853 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-19 07:40:05,853 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:40:05,875 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64330899-5397-4242-b6f2-4ac4c5157a4a/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0
[2023-11-19 07:40:06,066 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64330899-5397-4242-b6f2-4ac4c5157a4a/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10
[2023-11-19 07:40:06,067 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-19 07:40:06,067 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:40:06,067 INFO L85 PathProgramCache]: Analyzing trace with hash -2095224393, now seen corresponding path program 1 times
[2023-11-19 07:40:06,067 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:40:06,067 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [955374060]
[2023-11-19 07:40:06,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:40:06,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:40:06,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:40:06,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11
[2023-11-19 07:40:06,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:40:06,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19
[2023-11-19 07:40:06,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:40:06,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3
[2023-11-19 07:40:06,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:40:06,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2023-11-19 07:40:06,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:40:06,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8
[2023-11-19 07:40:06,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:40:06,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63
[2023-11-19 07:40:06,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:40:06,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5
[2023-11-19 07:40:06,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:40:06,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12
[2023-11-19 07:40:06,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:40:06,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7
[2023-11-19 07:40:06,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:40:06,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2023-11-19 07:40:06,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:40:06,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115
[2023-11-19 07:40:06,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:40:06,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122
[2023-11-19 07:40:06,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:40:06,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7
[2023-11-19 07:40:06,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:40:06,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2023-11-19 07:40:06,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:40:06,296 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 43 proven. 6 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked.
[2023-11-19 07:40:06,297 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:40:06,297 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [955374060]
[2023-11-19 07:40:06,297 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [955374060] provided 0 perfect and 1 imperfect interpolant sequences
[2023-11-19 07:40:06,297 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1297791361]
[2023-11-19 07:40:06,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:40:06,297 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-19 07:40:06,298 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64330899-5397-4242-b6f2-4ac4c5157a4a/bin/uautomizer-verify-uCwYo4JHxu/z3
[2023-11-19 07:40:06,299 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64330899-5397-4242-b6f2-4ac4c5157a4a/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2023-11-19 07:40:06,316 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64330899-5397-4242-b6f2-4ac4c5157a4a/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process
[2023-11-19 07:40:06,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:40:06,440 INFO L262 TraceCheckSpWp]: Trace formula consists of 456 conjuncts, 5 conjunts are in the unsatisfiable core
[2023-11-19 07:40:06,447 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2023-11-19 07:40:06,466 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 70 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked.
[2023-11-19 07:40:06,467 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-11-19 07:40:06,467 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1297791361] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:40:06,467 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2023-11-19 07:40:06,467 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8] total 8
[2023-11-19 07:40:06,467 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2054257402]
[2023-11-19 07:40:06,467 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:40:06,468 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2023-11-19 07:40:06,468 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:40:06,469 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2023-11-19 07:40:06,469 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56
[2023-11-19 07:40:06,469 INFO L87 Difference]: Start difference. First operand 826 states and 1042 transitions. Second operand has 5 states, 5 states have (on average 19.6) internal successors, (98), 5 states have internal predecessors, (98), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12)
[2023-11-19 07:40:06,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 07:40:06,547 INFO L93 Difference]: Finished difference Result 1128 states and 1412 transitions.
[2023-11-19 07:40:06,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2023-11-19 07:40:06,548 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 19.6) internal successors, (98), 5 states have internal predecessors, (98), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 147
[2023-11-19 07:40:06,548 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 07:40:06,549 INFO L225 Difference]: With dead ends: 1128
[2023-11-19 07:40:06,549 INFO L226 Difference]: Without dead ends: 0
[2023-11-19 07:40:06,552 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 184 GetRequests, 176 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90
[2023-11-19 07:40:06,553 INFO L413 NwaCegarLoop]: 107 mSDtfsCounter, 6 mSDsluCounter, 305 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 412 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2023-11-19 07:40:06,553 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 412 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-11-19 07:40:06,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2023-11-19 07:40:06,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2023-11-19 07:40:06,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 07:40:06,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2023-11-19 07:40:06,555 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 147
[2023-11-19 07:40:06,555 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-19 07:40:06,555 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2023-11-19 07:40:06,555 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 19.6) internal successors, (98), 5 states have internal predecessors, (98), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12)
[2023-11-19 07:40:06,555 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2023-11-19 07:40:06,555 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2023-11-19 07:40:06,558 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining)
[2023-11-19 07:40:06,590 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64330899-5397-4242-b6f2-4ac4c5157a4a/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0
[2023-11-19 07:40:06,774 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64330899-5397-4242-b6f2-4ac4c5157a4a/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11
[2023-11-19 07:40:06,777 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2023-11-19 07:40:08,069 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 245 252) no Hoare annotation was computed.
[2023-11-19 07:40:08,069 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 245 252) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (< ~waterLevel~0 1) (not (= 1 ~systemActive~0)))
[2023-11-19 07:40:08,069 INFO L899 garLoopResultBuilder]: For program point deactivatePumpFINAL(lines 245 252) no Hoare annotation was computed.
[2023-11-19 07:40:08,069 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 135 141) no Hoare annotation was computed.
[2023-11-19 07:40:08,070 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 135 141) the Hoare annotation is: true
[2023-11-19 07:40:08,070 INFO L899 garLoopResultBuilder]: For program point L447-1(lines 443 454) no Hoare annotation was computed.
[2023-11-19 07:40:08,070 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 443 454) the Hoare annotation is: true
[2023-11-19 07:40:08,070 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 443 454) no Hoare annotation was computed.
[2023-11-19 07:40:08,070 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 913 942) no Hoare annotation was computed.
[2023-11-19 07:40:08,070 INFO L899 garLoopResultBuilder]: For program point L927(lines 927 931) no Hoare annotation was computed.
[2023-11-19 07:40:08,070 INFO L902 garLoopResultBuilder]: At program point L927-1(lines 927 931) the Hoare annotation is: true
[2023-11-19 07:40:08,070 INFO L899 garLoopResultBuilder]: For program point L924(line 924) no Hoare annotation was computed.
[2023-11-19 07:40:08,070 INFO L902 garLoopResultBuilder]: At program point L923-2(lines 923 937) the Hoare annotation is: true
[2023-11-19 07:40:08,070 INFO L902 garLoopResultBuilder]: At program point L919(line 919) the Hoare annotation is: true
[2023-11-19 07:40:08,070 INFO L899 garLoopResultBuilder]: For program point L919-1(line 919) no Hoare annotation was computed.
[2023-11-19 07:40:08,070 INFO L899 garLoopResultBuilder]: For program point L938(lines 913 942) no Hoare annotation was computed.
[2023-11-19 07:40:08,071 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 913 942) the Hoare annotation is: true
[2023-11-19 07:40:08,071 INFO L899 garLoopResultBuilder]: For program point L934(line 934) no Hoare annotation was computed.
[2023-11-19 07:40:08,071 INFO L899 garLoopResultBuilder]: For program point L122-1(lines 122 128) no Hoare annotation was computed.
[2023-11-19 07:40:08,071 INFO L895 garLoopResultBuilder]: At program point L209(line 209) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (< |old(~waterLevel~0)| 2))) (and (or .cse0 .cse1 (not (= |old(~waterLevel~0)| ~systemActive~0))) (or .cse1 .cse2 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= 1 ~waterLevel~0) (<= ~waterLevel~0 |old(~waterLevel~0)|))) (or .cse0 .cse1 .cse2)))
[2023-11-19 07:40:08,071 INFO L895 garLoopResultBuilder]: At program point L205(line 205) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (< |old(~waterLevel~0)| 2))) (and (or .cse0 .cse1 (not (= |old(~waterLevel~0)| ~systemActive~0))) (or .cse1 .cse2 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= 1 ~waterLevel~0) (<= ~waterLevel~0 |old(~waterLevel~0)|))) (or .cse0 .cse1 .cse2)))
[2023-11-19 07:40:08,071 INFO L895 garLoopResultBuilder]: At program point L201(line 201) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (< |old(~waterLevel~0)| 2))) (and (or .cse0 .cse1 (not (= |old(~waterLevel~0)| ~systemActive~0))) (or .cse1 .cse2 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= 1 ~waterLevel~0) (<= ~waterLevel~0 |old(~waterLevel~0)|))) (or .cse0 .cse1 .cse2)))
[2023-11-19 07:40:08,071 INFO L899 garLoopResultBuilder]: For program point L201-1(line 201) no Hoare annotation was computed.
[2023-11-19 07:40:08,072 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 111 134) no Hoare annotation was computed.
[2023-11-19 07:40:08,072 INFO L895 garLoopResultBuilder]: At program point L214(line 214) the Hoare annotation is: (let ((.cse1 (= |old(~pumpRunning~0)| 0)) (.cse0 (not (= 1 ~systemActive~0)))) (and (or .cse0 (< |old(~waterLevel~0)| 2) .cse1) (or (not .cse1) (< |old(~waterLevel~0)| 1) (and (= ~pumpRunning~0 0) (= |old(~waterLevel~0)| ~waterLevel~0)) .cse0)))
[2023-11-19 07:40:08,072 INFO L899 garLoopResultBuilder]: For program point getWaterLevel_returnLabel#1(lines 487 495) no Hoare annotation was computed.
[2023-11-19 07:40:08,072 INFO L899 garLoopResultBuilder]: For program point L214-1(lines 195 219) no Hoare annotation was computed.
[2023-11-19 07:40:08,072 INFO L899 garLoopResultBuilder]: For program point L532(lines 532 538) no Hoare annotation was computed.
[2023-11-19 07:40:08,072 INFO L899 garLoopResultBuilder]: For program point L115-1(lines 114 133) no Hoare annotation was computed.
[2023-11-19 07:40:08,072 INFO L899 garLoopResultBuilder]: For program point L528(lines 528 541) no Hoare annotation was computed.
[2023-11-19 07:40:08,072 INFO L899 garLoopResultBuilder]: For program point L528-1(lines 520 544) no Hoare annotation was computed.
[2023-11-19 07:40:08,072 INFO L899 garLoopResultBuilder]: For program point L54(line 54) no Hoare annotation was computed.
[2023-11-19 07:40:08,072 INFO L899 garLoopResultBuilder]: For program point L203(lines 203 211) no Hoare annotation was computed.
[2023-11-19 07:40:08,072 INFO L899 garLoopResultBuilder]: For program point __automaton_fail_returnLabel#1(lines 50 57) no Hoare annotation was computed.
[2023-11-19 07:40:08,073 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 111 134) the Hoare annotation is: (let ((.cse1 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse0 (not (= 1 ~systemActive~0)))) (and (or .cse0 (< |old(~waterLevel~0)| 2) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1)) (or (not (= |old(~pumpRunning~0)| 0)) (< |old(~waterLevel~0)| 1) (and (= ~pumpRunning~0 0) .cse1) .cse0)))
[2023-11-19 07:40:08,073 INFO L899 garLoopResultBuilder]: For program point L199(lines 199 216) no Hoare annotation was computed.
[2023-11-19 07:40:08,073 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 111 134) no Hoare annotation was computed.
[2023-11-19 07:40:08,073 INFO L899 garLoopResultBuilder]: For program point isPumpRunning_returnLabel#1(lines 264 272) no Hoare annotation was computed.
[2023-11-19 07:40:08,073 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 54) no Hoare annotation was computed.
[2023-11-19 07:40:08,073 INFO L899 garLoopResultBuilder]: For program point L423(lines 423 427) no Hoare annotation was computed.
[2023-11-19 07:40:08,073 INFO L899 garLoopResultBuilder]: For program point L423-2(lines 419 430) no Hoare annotation was computed.
[2023-11-19 07:40:08,073 INFO L895 garLoopResultBuilder]: At program point L407(lines 360 408) the Hoare annotation is: false
[2023-11-19 07:40:08,073 INFO L899 garLoopResultBuilder]: For program point runTest_returnLabel#1(lines 974 983) no Hoare annotation was computed.
[2023-11-19 07:40:08,074 INFO L899 garLoopResultBuilder]: For program point L362(lines 361 406) no Hoare annotation was computed.
[2023-11-19 07:40:08,074 INFO L899 garLoopResultBuilder]: For program point select_features_returnLabel#1(lines 73 79) no Hoare annotation was computed.
[2023-11-19 07:40:08,074 INFO L899 garLoopResultBuilder]: For program point main_returnLabel#1(lines 984 1006) no Hoare annotation was computed.
[2023-11-19 07:40:08,074 INFO L899 garLoopResultBuilder]: For program point L391(lines 391 402) no Hoare annotation was computed.
[2023-11-19 07:40:08,074 INFO L899 garLoopResultBuilder]: For program point L994(lines 994 1001) no Hoare annotation was computed.
[2023-11-19 07:40:08,074 INFO L899 garLoopResultBuilder]: For program point L994-2(lines 994 1001) no Hoare annotation was computed.
[2023-11-19 07:40:08,078 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed.
[2023-11-19 07:40:08,078 INFO L895 garLoopResultBuilder]: At program point L383(line 383) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and (<= 2 ~waterLevel~0) .cse0 .cse1) (and (= ~pumpRunning~0 0) .cse0 .cse1 (<= 1 ~waterLevel~0))))
[2023-11-19 07:40:08,078 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed.
[2023-11-19 07:40:08,078 INFO L895 garLoopResultBuilder]: At program point L404(lines 361 406) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and (<= 2 ~waterLevel~0) .cse0 .cse1) (and (= ~pumpRunning~0 0) .cse0 .cse1 (<= 1 ~waterLevel~0))))
[2023-11-19 07:40:08,078 INFO L899 garLoopResultBuilder]: For program point L371(lines 371 377) no Hoare annotation was computed.
[2023-11-19 07:40:08,079 INFO L899 garLoopResultBuilder]: For program point L371-1(lines 371 377) no Hoare annotation was computed.
[2023-11-19 07:40:08,079 INFO L899 garLoopResultBuilder]: For program point L363(lines 363 367) no Hoare annotation was computed.
[2023-11-19 07:40:08,079 INFO L899 garLoopResultBuilder]: For program point setup_returnLabel#1(lines 967 973) no Hoare annotation was computed.
[2023-11-19 07:40:08,079 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed.
[2023-11-19 07:40:08,079 INFO L899 garLoopResultBuilder]: For program point L397(lines 397 401) no Hoare annotation was computed.
[2023-11-19 07:40:08,080 INFO L895 garLoopResultBuilder]: At program point L397-2(lines 391 402) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and (<= 2 ~waterLevel~0) .cse0 .cse1) (and (= ~pumpRunning~0 0) .cse0 .cse1 (<= 1 ~waterLevel~0))))
[2023-11-19 07:40:08,080 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed.
[2023-11-19 07:40:08,080 INFO L899 garLoopResultBuilder]: For program point select_helpers_returnLabel#1(lines 80 86) no Hoare annotation was computed.
[2023-11-19 07:40:08,080 INFO L899 garLoopResultBuilder]: For program point L381(lines 381 387) no Hoare annotation was computed.
[2023-11-19 07:40:08,080 INFO L899 garLoopResultBuilder]: For program point L381-1(lines 381 387) no Hoare annotation was computed.
[2023-11-19 07:40:08,080 INFO L899 garLoopResultBuilder]: For program point L410(lines 351 414) no Hoare annotation was computed.
[2023-11-19 07:40:08,081 INFO L895 garLoopResultBuilder]: At program point L373(line 373) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and (<= 2 ~waterLevel~0) .cse0 .cse1) (and (= ~pumpRunning~0 0) .cse0 .cse1 (<= 1 ~waterLevel~0))))
[2023-11-19 07:40:08,081 INFO L899 garLoopResultBuilder]: For program point valid_product_returnLabel#1(lines 87 95) no Hoare annotation was computed.
[2023-11-19 07:40:08,081 INFO L899 garLoopResultBuilder]: For program point L318(lines 318 322) no Hoare annotation was computed.
[2023-11-19 07:40:08,083 INFO L895 garLoopResultBuilder]: At program point L157(line 157) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse2 (= |processEnvironment__wrappee__highWaterSensor_~tmp~0#1| 0)) (.cse0 (= |old(~pumpRunning~0)| 0))) (or (not .cse0) (and .cse1 (<= 2 ~waterLevel~0) .cse2 .cse0) (< ~waterLevel~0 1) (not (= 1 ~systemActive~0)) (and (<= 1 |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1|) .cse1 .cse2 .cse0)))
[2023-11-19 07:40:08,083 INFO L899 garLoopResultBuilder]: For program point L318-2(lines 318 322) no Hoare annotation was computed.
[2023-11-19 07:40:08,084 INFO L899 garLoopResultBuilder]: For program point L151(lines 151 159) no Hoare annotation was computed.
[2023-11-19 07:40:08,084 INFO L899 garLoopResultBuilder]: For program point L500(lines 500 506) no Hoare annotation was computed.
[2023-11-19 07:40:08,084 INFO L899 garLoopResultBuilder]: For program point L147(lines 147 164) no Hoare annotation was computed.
[2023-11-19 07:40:08,084 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 143 167) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (< ~waterLevel~0 1) (not (= 1 ~systemActive~0)))
[2023-11-19 07:40:08,084 INFO L899 garLoopResultBuilder]: For program point isHighWaterSensorDry_returnLabel#1(lines 496 509) no Hoare annotation was computed.
[2023-11-19 07:40:08,084 INFO L895 garLoopResultBuilder]: At program point L162(line 162) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (< ~waterLevel~0 1) (not (= 1 ~systemActive~0)))
[2023-11-19 07:40:08,085 INFO L899 garLoopResultBuilder]: For program point L162-1(lines 143 167) no Hoare annotation was computed.
[2023-11-19 07:40:08,085 INFO L899 garLoopResultBuilder]: For program point isHighWaterLevel_returnLabel#1(lines 309 327) no Hoare annotation was computed.
[2023-11-19 07:40:08,085 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 143 167) no Hoare annotation was computed.
[2023-11-19 07:40:08,085 INFO L899 garLoopResultBuilder]: For program point L235(lines 235 241) no Hoare annotation was computed.
[2023-11-19 07:40:08,086 INFO L895 garLoopResultBuilder]: At program point L233(line 233) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 (< ~waterLevel~0 1) .cse1 (< 1 ~waterLevel~0)) (or .cse0 (= ~pumpRunning~0 0) .cse1 (< ~waterLevel~0 2))))
[2023-11-19 07:40:08,086 INFO L899 garLoopResultBuilder]: For program point L235-2(lines 228 244) no Hoare annotation was computed.
[2023-11-19 07:40:08,086 INFO L899 garLoopResultBuilder]: For program point L233-1(line 233) no Hoare annotation was computed.
[2023-11-19 07:40:08,086 INFO L899 garLoopResultBuilder]: For program point activatePump__wrappee__lowWaterSensor_returnLabel#1(lines 220 227) no Hoare annotation was computed.
[2023-11-19 07:40:08,086 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 431 442) no Hoare annotation was computed.
[2023-11-19 07:40:08,086 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 431 442) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (= |old(~waterLevel~0)| ~waterLevel~0))) (and (or .cse0 (< |old(~waterLevel~0)| 2) .cse1) (or (< |old(~waterLevel~0)| 1) (not (= ~pumpRunning~0 0)) .cse0 .cse1)))
[2023-11-19 07:40:08,087 INFO L899 garLoopResultBuilder]: For program point L435-1(lines 431 442) no Hoare annotation was computed.
[2023-11-19 07:40:08,087 INFO L895 garLoopResultBuilder]: At program point L188(line 188) the Hoare annotation is: (or (< ~waterLevel~0 1) (not (= 1 ~systemActive~0)) (and (= ~pumpRunning~0 0) (= |old(~pumpRunning~0)| 0)))
[2023-11-19 07:40:08,087 INFO L899 garLoopResultBuilder]: For program point L188-1(lines 169 193) no Hoare annotation was computed.
[2023-11-19 07:40:08,087 INFO L899 garLoopResultBuilder]: For program point L337(lines 337 341) no Hoare annotation was computed.
[2023-11-19 07:40:08,088 INFO L899 garLoopResultBuilder]: For program point L337-2(lines 337 341) no Hoare annotation was computed.
[2023-11-19 07:40:08,088 INFO L899 garLoopResultBuilder]: For program point isLowWaterSensorDry_returnLabel#1(lines 510 518) no Hoare annotation was computed.
[2023-11-19 07:40:08,088 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 169 193) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (< ~waterLevel~0 1) (not (= 1 ~systemActive~0)))
[2023-11-19 07:40:08,088 INFO L899 garLoopResultBuilder]: For program point isLowWaterLevel_returnLabel#1(lines 328 346) no Hoare annotation was computed.
[2023-11-19 07:40:08,088 INFO L895 garLoopResultBuilder]: At program point L183(line 183) the Hoare annotation is: (or (< ~waterLevel~0 1) (not (= 1 ~systemActive~0)))
[2023-11-19 07:40:08,088 INFO L895 garLoopResultBuilder]: At program point L179(line 179) the Hoare annotation is: (let ((.cse0 (< ~waterLevel~0 1)) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= 1 |processEnvironment__wrappee__methaneQuery_isLowWaterLevel_#res#1|) (= |processEnvironment__wrappee__methaneQuery_isLowWaterSensorDry_#res#1| 0) (<= 1 |processEnvironment__wrappee__methaneQuery_~tmp~1#1|))) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse1)))
[2023-11-19 07:40:08,089 INFO L899 garLoopResultBuilder]: For program point L177(lines 177 185) no Hoare annotation was computed.
[2023-11-19 07:40:08,089 INFO L899 garLoopResultBuilder]: For program point L173(lines 173 190) no Hoare annotation was computed.
[2023-11-19 07:40:08,089 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 169 193) no Hoare annotation was computed.
[2023-11-19 07:40:08,089 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCritical_returnLabel#1(lines 455 463) no Hoare annotation was computed.
[2023-11-19 07:40:08,090 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmEXIT(lines 253 263) no Hoare annotation was computed.
[2023-11-19 07:40:08,090 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 253 263) the Hoare annotation is: true
[2023-11-19 07:40:08,090 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmFINAL(lines 253 263) no Hoare annotation was computed.
[2023-11-19 07:40:08,092 INFO L445 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:40:08,096 INFO L178 ceAbstractionStarter]: Computing trace abstraction results
[2023-11-19 07:40:08,112 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 07:40:08 BoogieIcfgContainer
[2023-11-19 07:40:08,113 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2023-11-19 07:40:08,113 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2023-11-19 07:40:08,113 INFO L270 PluginConnector]: Initializing Witness Printer...
[2023-11-19 07:40:08,114 INFO L274 PluginConnector]: Witness Printer initialized
[2023-11-19 07:40:08,114 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:39:56" (3/4) ...
[2023-11-19 07:40:08,116 INFO L137 WitnessPrinter]: Generating witness for correct program
[2023-11-19 07:40:08,121 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump
[2023-11-19 07:40:08,121 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base
[2023-11-19 07:40:08,121 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel
[2023-11-19 07:40:08,121 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup
[2023-11-19 07:40:08,121 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift
[2023-11-19 07:40:08,122 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor
[2023-11-19 07:40:08,122 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise
[2023-11-19 07:40:08,122 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery
[2023-11-19 07:40:08,122 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm
[2023-11-19 07:40:08,138 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges
[2023-11-19 07:40:08,139 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges
[2023-11-19 07:40:08,139 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges
[2023-11-19 07:40:08,140 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2023-11-19 07:40:08,141 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2023-11-19 07:40:08,295 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64330899-5397-4242-b6f2-4ac4c5157a4a/bin/uautomizer-verify-uCwYo4JHxu/witness.graphml
[2023-11-19 07:40:08,296 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64330899-5397-4242-b6f2-4ac4c5157a4a/bin/uautomizer-verify-uCwYo4JHxu/witness.yml
[2023-11-19 07:40:08,296 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2023-11-19 07:40:08,297 INFO L158 Benchmark]: Toolchain (without parser) took 13217.84ms. Allocated memory was 144.7MB in the beginning and 239.1MB in the end (delta: 94.4MB). Free memory was 99.3MB in the beginning and 83.9MB in the end (delta: 15.4MB). Peak memory consumption was 111.3MB. Max. memory is 16.1GB.
[2023-11-19 07:40:08,297 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 107.0MB. Free memory is still 59.7MB. There was no memory consumed. Max. memory is 16.1GB.
[2023-11-19 07:40:08,297 INFO L158 Benchmark]: CACSL2BoogieTranslator took 517.67ms. Allocated memory is still 144.7MB. Free memory was 98.8MB in the beginning and 79.0MB in the end (delta: 19.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB.
[2023-11-19 07:40:08,298 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.90ms. Allocated memory is still 144.7MB. Free memory was 79.0MB in the beginning and 76.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2023-11-19 07:40:08,298 INFO L158 Benchmark]: Boogie Preprocessor took 39.03ms. Allocated memory is still 144.7MB. Free memory was 76.9MB in the beginning and 75.2MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2023-11-19 07:40:08,298 INFO L158 Benchmark]: RCFGBuilder took 647.60ms. Allocated memory is still 144.7MB. Free memory was 75.2MB in the beginning and 103.6MB in the end (delta: -28.4MB). Peak memory consumption was 13.7MB. Max. memory is 16.1GB.
[2023-11-19 07:40:08,299 INFO L158 Benchmark]: TraceAbstraction took 11761.22ms. Allocated memory was 144.7MB in the beginning and 239.1MB in the end (delta: 94.4MB). Free memory was 102.9MB in the beginning and 91.2MB in the end (delta: 11.7MB). Peak memory consumption was 128.3MB. Max. memory is 16.1GB.
[2023-11-19 07:40:08,299 INFO L158 Benchmark]: Witness Printer took 182.82ms. Allocated memory is still 239.1MB. Free memory was 91.2MB in the beginning and 83.9MB in the end (delta: 7.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2023-11-19 07:40:08,301 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.32ms. Allocated memory is still 107.0MB. Free memory is still 59.7MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 517.67ms. Allocated memory is still 144.7MB. Free memory was 98.8MB in the beginning and 79.0MB in the end (delta: 19.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 61.90ms. Allocated memory is still 144.7MB. Free memory was 79.0MB in the beginning and 76.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 39.03ms. Allocated memory is still 144.7MB. Free memory was 76.9MB in the beginning and 75.2MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* RCFGBuilder took 647.60ms. Allocated memory is still 144.7MB. Free memory was 75.2MB in the beginning and 103.6MB in the end (delta: -28.4MB). Peak memory consumption was 13.7MB. Max. memory is 16.1GB.
* TraceAbstraction took 11761.22ms. Allocated memory was 144.7MB in the beginning and 239.1MB in the end (delta: 94.4MB). Free memory was 102.9MB in the beginning and 91.2MB in the end (delta: 11.7MB). Peak memory consumption was 128.3MB. Max. memory is 16.1GB.
* Witness Printer took 182.82ms. Allocated memory is still 239.1MB. Free memory was 91.2MB in the beginning and 83.9MB in the end (delta: 7.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator:
- GenericResultAtLocation [Line: 49]: Unsoundness Warning
Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [49]
- GenericResultAtLocation [Line: 58]: Unsoundness Warning
Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [58]
- GenericResultAtLocation [Line: 96]: Unsoundness Warning
Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [96]
- GenericResultAtLocation [Line: 347]: Unsoundness Warning
Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [347]
- GenericResultAtLocation [Line: 415]: Unsoundness Warning
Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [415]
- GenericResultAtLocation [Line: 519]: Unsoundness Warning
Ignoring preprocessor pragma C: #pragma merger(0,"Specification4_spec.i","") [519]
- GenericResultAtLocation [Line: 545]: Unsoundness Warning
Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [545]
- GenericResultAtLocation [Line: 911]: Unsoundness Warning
Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [911]
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- StatisticsResult: ErrorAutomatonStatistics
NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0
- PositiveResult [Line: 54]: a call to reach_error is unreachable
For all program executions holds that a call to reach_error is unreachable at this location
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 10 procedures, 103 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 11.7s, OverallIterations: 12, TraceHistogramMax: 3, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.1s, AutomataDifference: 4.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2089 SdHoareTripleChecker+Valid, 2.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2050 mSDsluCounter, 3865 SdHoareTripleChecker+Invalid, 2.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2734 mSDsCounter, 587 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2634 IncrementalHoareTripleChecker+Invalid, 3221 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 587 mSolverCounterUnsat, 1131 mSDtfsCounter, 2634 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 880 GetRequests, 740 SyntacticMatches, 12 SemanticMatches, 128 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 532 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=826occurred in iteration=11, InterpolantAutomatonStates: 121, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 12 MinimizatonAttempts, 269 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 27 LocationsWithAnnotation, 1124 PreInvPairs, 1169 NumberOfFragments, 504 HoareAnnotationTreeSize, 1124 FomulaSimplifications, 2277 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 27 FomulaSimplificationsInter, 2795 FormulaSimplificationTreeSizeReductionInter, 1.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 3.2s InterpolantComputationTime, 1296 NumberOfCodeBlocks, 1296 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 1380 ConstructedInterpolants, 0 QuantifiedInterpolants, 2496 SizeOfPredicates, 11 NumberOfNonLiveVariables, 1591 ConjunctsInSsa, 29 ConjunctsInUnsatCore, 17 InterpolantComputations, 11 PerfectInterpolantSequences, 486/548 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: 360]: Loop Invariant
Derived loop invariant: 0
- InvariantResult [Line: 361]: Loop Invariant
Derived loop invariant: ((((2 <= waterLevel) && (1 == systemActive)) && (splverifierCounter == 0)) || ((((pumpRunning == 0) && (1 == systemActive)) && (splverifierCounter == 0)) && (1 <= waterLevel)))
- InvariantResult [Line: 923]: Loop Invariant
Derived loop invariant: 1
RESULT: Ultimate proved your program to be correct!
[2023-11-19 07:40:08,335 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64330899-5397-4242-b6f2-4ac4c5157a4a/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