/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.use.bitabs.translation false -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/product-lines/minepump_spec3_product31.cil.c


--------------------------------------------------------------------------------


This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m
[2023-12-16 05:45:14,811 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2023-12-16 05:45:14,923 INFO  L114        SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf
[2023-12-16 05:45:14,927 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2023-12-16 05:45:14,927 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2023-12-16 05:45:14,964 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2023-12-16 05:45:14,965 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2023-12-16 05:45:14,965 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2023-12-16 05:45:14,965 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2023-12-16 05:45:14,968 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2023-12-16 05:45:14,968 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2023-12-16 05:45:14,969 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2023-12-16 05:45:14,969 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2023-12-16 05:45:14,970 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2023-12-16 05:45:14,970 INFO  L153        SettingsManager]:  * Use SBE=true
[2023-12-16 05:45:14,971 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-12-16 05:45:14,971 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2023-12-16 05:45:14,971 INFO  L153        SettingsManager]:  * sizeof long=4
[2023-12-16 05:45:14,971 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2023-12-16 05:45:14,971 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2023-12-16 05:45:14,971 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2023-12-16 05:45:14,972 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2023-12-16 05:45:14,972 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2023-12-16 05:45:14,972 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2023-12-16 05:45:14,972 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2023-12-16 05:45:14,972 INFO  L153        SettingsManager]:  * sizeof long double=12
[2023-12-16 05:45:14,972 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2023-12-16 05:45:14,973 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2023-12-16 05:45:14,973 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-12-16 05:45:14,973 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2023-12-16 05:45:14,983 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2023-12-16 05:45:14,983 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2023-12-16 05:45:14,983 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2023-12-16 05:45:14,984 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-12-16 05:45:14,984 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2023-12-16 05:45:14,984 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2023-12-16 05:45:14,984 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2023-12-16 05:45:14,984 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2023-12-16 05:45:14,984 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2023-12-16 05:45:14,984 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2023-12-16 05:45:14,985 INFO  L153        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2023-12-16 05:45:14,985 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2023-12-16 05:45:14,985 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2023-12-16 05:45:14,985 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:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Use bitabs translation -> false
[2023-12-16 05:45:15,327 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2023-12-16 05:45:15,355 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-12-16 05:45:15,373 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-12-16 05:45:15,374 INFO  L270        PluginConnector]: Initializing CDTParser...
[2023-12-16 05:45:15,374 INFO  L274        PluginConnector]: CDTParser initialized
[2023-12-16 05:45:15,375 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product31.cil.c
[2023-12-16 05:45:16,435 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2023-12-16 05:45:16,652 INFO  L384              CDTParser]: Found 1 translation units.
[2023-12-16 05:45:16,653 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec3_product31.cil.c
[2023-12-16 05:45:16,662 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/41f85a533/7afb877ed1ed4f55a89b5e97965491f6/FLAG7671873f5
[2023-12-16 05:45:16,671 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/41f85a533/7afb877ed1ed4f55a89b5e97965491f6
[2023-12-16 05:45:16,673 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-12-16 05:45:16,674 INFO  L133        ToolchainWalker]: Walking toolchain with 5 elements.
[2023-12-16 05:45:16,675 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-12-16 05:45:16,675 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-12-16 05:45:16,678 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2023-12-16 05:45:16,678 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 05:45:16" (1/1) ...
[2023-12-16 05:45:16,679 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c2e6aa5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:45:16, skipping insertion in model container
[2023-12-16 05:45:16,679 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 05:45:16" (1/1) ...
[2023-12-16 05:45:16,716 INFO  L177         MainTranslator]: Built tables and reachable declarations
[2023-12-16 05:45:16,842 WARN  L239   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec3_product31.cil.c[2984,2997]
[2023-12-16 05:45:16,928 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-12-16 05:45:16,938 INFO  L202         MainTranslator]: Completed pre-run
[2023-12-16 05:45:16,945 WARN  L75    lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [49]
[2023-12-16 05:45:16,946 WARN  L75    lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [145]
[2023-12-16 05:45:16,946 WARN  L75    lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [154]
[2023-12-16 05:45:16,947 WARN  L75    lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [520]
[2023-12-16 05:45:16,947 WARN  L75    lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [590]
[2023-12-16 05:45:16,947 WARN  L75    lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification3_spec.i","") [805]
[2023-12-16 05:45:16,947 WARN  L75    lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [839]
[2023-12-16 05:45:16,948 WARN  L75    lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [877]
[2023-12-16 05:45:16,966 WARN  L239   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec3_product31.cil.c[2984,2997]
[2023-12-16 05:45:17,019 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-12-16 05:45:17,038 INFO  L206         MainTranslator]: Completed translation
[2023-12-16 05:45:17,039 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:45:17 WrapperNode
[2023-12-16 05:45:17,039 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-12-16 05:45:17,040 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2023-12-16 05:45:17,040 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2023-12-16 05:45:17,040 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2023-12-16 05:45:17,045 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:45:17" (1/1) ...
[2023-12-16 05:45:17,054 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:45:17" (1/1) ...
[2023-12-16 05:45:17,077 INFO  L138                Inliner]: procedures = 55, calls = 102, calls flagged for inlining = 21, calls inlined = 17, statements flattened = 186
[2023-12-16 05:45:17,077 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2023-12-16 05:45:17,078 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2023-12-16 05:45:17,078 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2023-12-16 05:45:17,078 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2023-12-16 05:45:17,085 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:45:17" (1/1) ...
[2023-12-16 05:45:17,086 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:45:17" (1/1) ...
[2023-12-16 05:45:17,087 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:45:17" (1/1) ...
[2023-12-16 05:45:17,096 INFO  L175           MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0].
[2023-12-16 05:45:17,096 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:45:17" (1/1) ...
[2023-12-16 05:45:17,096 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:45:17" (1/1) ...
[2023-12-16 05:45:17,100 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:45:17" (1/1) ...
[2023-12-16 05:45:17,102 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:45:17" (1/1) ...
[2023-12-16 05:45:17,103 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:45:17" (1/1) ...
[2023-12-16 05:45:17,104 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:45:17" (1/1) ...
[2023-12-16 05:45:17,105 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2023-12-16 05:45:17,106 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2023-12-16 05:45:17,106 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2023-12-16 05:45:17,106 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2023-12-16 05:45:17,107 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:45:17" (1/1) ...
[2023-12-16 05:45:17,116 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2023-12-16 05:45:17,126 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2023-12-16 05:45:17,179 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2023-12-16 05:45:17,198 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2023-12-16 05:45:17,206 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2023-12-16 05:45:17,206 INFO  L130     BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base
[2023-12-16 05:45:17,206 INFO  L138     BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base
[2023-12-16 05:45:17,207 INFO  L130     BoogieDeclarations]: Found specification of procedure cleanup
[2023-12-16 05:45:17,207 INFO  L138     BoogieDeclarations]: Found implementation of procedure cleanup
[2023-12-16 05:45:17,207 INFO  L130     BoogieDeclarations]: Found specification of procedure timeShift
[2023-12-16 05:45:17,207 INFO  L138     BoogieDeclarations]: Found implementation of procedure timeShift
[2023-12-16 05:45:17,207 INFO  L130     BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical
[2023-12-16 05:45:17,207 INFO  L138     BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical
[2023-12-16 05:45:17,207 INFO  L130     BoogieDeclarations]: Found specification of procedure waterRise
[2023-12-16 05:45:17,207 INFO  L138     BoogieDeclarations]: Found implementation of procedure waterRise
[2023-12-16 05:45:17,207 INFO  L130     BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery
[2023-12-16 05:45:17,207 INFO  L138     BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery
[2023-12-16 05:45:17,207 INFO  L130     BoogieDeclarations]: Found specification of procedure isMethaneAlarm
[2023-12-16 05:45:17,207 INFO  L138     BoogieDeclarations]: Found implementation of procedure isMethaneAlarm
[2023-12-16 05:45:17,208 INFO  L130     BoogieDeclarations]: Found specification of procedure deactivatePump
[2023-12-16 05:45:17,208 INFO  L138     BoogieDeclarations]: Found implementation of procedure deactivatePump
[2023-12-16 05:45:17,208 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#0
[2023-12-16 05:45:17,208 INFO  L130     BoogieDeclarations]: Found specification of procedure changeMethaneLevel
[2023-12-16 05:45:17,208 INFO  L138     BoogieDeclarations]: Found implementation of procedure changeMethaneLevel
[2023-12-16 05:45:17,208 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2023-12-16 05:45:17,208 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2023-12-16 05:45:17,272 INFO  L241             CfgBuilder]: Building ICFG
[2023-12-16 05:45:17,274 INFO  L267             CfgBuilder]: Building CFG for each procedure with an implementation
[2023-12-16 05:45:17,499 INFO  L282             CfgBuilder]: Performing block encoding
[2023-12-16 05:45:17,563 INFO  L304             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2023-12-16 05:45:17,563 INFO  L309             CfgBuilder]: Removed 2 assume(true) statements.
[2023-12-16 05:45:17,564 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 05:45:17 BoogieIcfgContainer
[2023-12-16 05:45:17,564 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2023-12-16 05:45:17,565 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2023-12-16 05:45:17,565 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2023-12-16 05:45:17,572 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2023-12-16 05:45:17,572 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.12 05:45:16" (1/3) ...
[2023-12-16 05:45:17,573 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7dc729d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 05:45:17, skipping insertion in model container
[2023-12-16 05:45:17,573 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:45:17" (2/3) ...
[2023-12-16 05:45:17,573 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7dc729d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 05:45:17, skipping insertion in model container
[2023-12-16 05:45:17,573 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 05:45:17" (3/3) ...
[2023-12-16 05:45:17,574 INFO  L112   eAbstractionObserver]: Analyzing ICFG minepump_spec3_product31.cil.c
[2023-12-16 05:45:17,586 INFO  L204   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2023-12-16 05:45:17,586 INFO  L163   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2023-12-16 05:45:17,622 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2023-12-16 05:45:17,626 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;@703e667, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2023-12-16 05:45:17,626 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2023-12-16 05:45:17,629 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 77 states, 50 states have (on average 1.52) internal successors, (76), 59 states have internal predecessors, (76), 16 states have call successors, (16), 9 states have call predecessors, (16), 9 states have return successors, (16), 12 states have call predecessors, (16), 16 states have call successors, (16)
[2023-12-16 05:45:17,635 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 18
[2023-12-16 05:45:17,635 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-16 05:45:17,635 INFO  L195           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-12-16 05:45:17,636 INFO  L420      AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-16 05:45:17,639 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-16 05:45:17,639 INFO  L85        PathProgramCache]: Analyzing trace with hash 889899055, now seen corresponding path program 1 times
[2023-12-16 05:45:17,645 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-12-16 05:45:17,645 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [724475080]
[2023-12-16 05:45:17,645 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-16 05:45:17,646 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-16 05:45:17,732 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-16 05:45:17,902 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9
[2023-12-16 05:45:17,911 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-16 05:45:17,916 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-12-16 05:45:17,917 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-12-16 05:45:17,917 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [724475080]
[2023-12-16 05:45:17,917 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [724475080] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-16 05:45:17,918 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-12-16 05:45:17,918 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-12-16 05:45:17,920 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1594973461]
[2023-12-16 05:45:17,920 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-16 05:45:17,940 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2023-12-16 05:45:17,941 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-12-16 05:45:17,974 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2023-12-16 05:45:17,974 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2023-12-16 05:45:17,976 INFO  L87              Difference]: Start difference. First operand  has 77 states, 50 states have (on average 1.52) internal successors, (76), 59 states have internal predecessors, (76), 16 states have call successors, (16), 9 states have call predecessors, (16), 9 states have return successors, (16), 12 states have call predecessors, (16), 16 states have call successors, (16) Second operand  has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2023-12-16 05:45:18,060 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-16 05:45:18,060 INFO  L93              Difference]: Finished difference Result 152 states and 217 transitions.
[2023-12-16 05:45:18,061 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-12-16 05:45:18,062 INFO  L78                 Accepts]: Start accepts. Automaton has  has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 17
[2023-12-16 05:45:18,062 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-16 05:45:18,069 INFO  L225             Difference]: With dead ends: 152
[2023-12-16 05:45:18,069 INFO  L226             Difference]: Without dead ends: 72
[2023-12-16 05:45:18,072 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2023-12-16 05:45:18,076 INFO  L413           NwaCegarLoop]: 88 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 88 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2023-12-16 05:45:18,077 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 88 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-12-16 05:45:18,089 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 72 states.
[2023-12-16 05:45:18,109 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 72.
[2023-12-16 05:45:18,110 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 72 states, 47 states have (on average 1.4042553191489362) internal successors, (66), 55 states have internal predecessors, (66), 16 states have call successors, (16), 9 states have call predecessors, (16), 8 states have return successors, (15), 11 states have call predecessors, (15), 15 states have call successors, (15)
[2023-12-16 05:45:18,117 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 97 transitions.
[2023-12-16 05:45:18,119 INFO  L78                 Accepts]: Start accepts. Automaton has 72 states and 97 transitions. Word has length 17
[2023-12-16 05:45:18,120 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-16 05:45:18,120 INFO  L495      AbstractCegarLoop]: Abstraction has 72 states and 97 transitions.
[2023-12-16 05:45:18,120 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2023-12-16 05:45:18,120 INFO  L276                IsEmpty]: Start isEmpty. Operand 72 states and 97 transitions.
[2023-12-16 05:45:18,125 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 19
[2023-12-16 05:45:18,125 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-16 05:45:18,125 INFO  L195           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-12-16 05:45:18,125 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2023-12-16 05:45:18,126 INFO  L420      AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-16 05:45:18,127 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-16 05:45:18,127 INFO  L85        PathProgramCache]: Analyzing trace with hash 1969211536, now seen corresponding path program 1 times
[2023-12-16 05:45:18,127 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-12-16 05:45:18,128 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1334710682]
[2023-12-16 05:45:18,128 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-16 05:45:18,128 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-16 05:45:18,150 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-16 05:45:18,225 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10
[2023-12-16 05:45:18,227 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-16 05:45:18,228 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-12-16 05:45:18,228 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-12-16 05:45:18,228 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1334710682]
[2023-12-16 05:45:18,229 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1334710682] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-16 05:45:18,229 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-12-16 05:45:18,229 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2023-12-16 05:45:18,229 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [37232278]
[2023-12-16 05:45:18,229 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-16 05:45:18,230 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-12-16 05:45:18,230 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-12-16 05:45:18,230 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-12-16 05:45:18,230 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-12-16 05:45:18,231 INFO  L87              Difference]: Start difference. First operand 72 states and 97 transitions. Second operand  has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2023-12-16 05:45:18,288 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-16 05:45:18,288 INFO  L93              Difference]: Finished difference Result 114 states and 152 transitions.
[2023-12-16 05:45:18,289 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-12-16 05:45:18,289 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 18
[2023-12-16 05:45:18,290 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-16 05:45:18,292 INFO  L225             Difference]: With dead ends: 114
[2023-12-16 05:45:18,292 INFO  L226             Difference]: Without dead ends: 64
[2023-12-16 05:45:18,293 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-12-16 05:45:18,294 INFO  L413           NwaCegarLoop]: 74 mSDtfsCounter, 14 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 131 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2023-12-16 05:45:18,294 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 131 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-12-16 05:45:18,296 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 64 states.
[2023-12-16 05:45:18,307 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 64.
[2023-12-16 05:45:18,307 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 64 states, 42 states have (on average 1.4285714285714286) internal successors, (60), 50 states have internal predecessors, (60), 13 states have call successors, (13), 8 states have call predecessors, (13), 8 states have return successors, (13), 9 states have call predecessors, (13), 13 states have call successors, (13)
[2023-12-16 05:45:18,308 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 86 transitions.
[2023-12-16 05:45:18,308 INFO  L78                 Accepts]: Start accepts. Automaton has 64 states and 86 transitions. Word has length 18
[2023-12-16 05:45:18,308 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-16 05:45:18,308 INFO  L495      AbstractCegarLoop]: Abstraction has 64 states and 86 transitions.
[2023-12-16 05:45:18,308 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2023-12-16 05:45:18,308 INFO  L276                IsEmpty]: Start isEmpty. Operand 64 states and 86 transitions.
[2023-12-16 05:45:18,311 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 22
[2023-12-16 05:45:18,311 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-16 05:45:18,312 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]
[2023-12-16 05:45:18,312 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2023-12-16 05:45:18,312 INFO  L420      AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-16 05:45:18,317 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-16 05:45:18,317 INFO  L85        PathProgramCache]: Analyzing trace with hash 128374679, now seen corresponding path program 1 times
[2023-12-16 05:45:18,317 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-12-16 05:45:18,317 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [774318673]
[2023-12-16 05:45:18,317 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-16 05:45:18,317 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-16 05:45:18,327 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-16 05:45:18,503 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13
[2023-12-16 05:45:18,507 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-16 05:45:18,508 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-12-16 05:45:18,508 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-12-16 05:45:18,508 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [774318673]
[2023-12-16 05:45:18,508 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [774318673] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-16 05:45:18,508 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-12-16 05:45:18,508 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2023-12-16 05:45:18,509 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [284160296]
[2023-12-16 05:45:18,509 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-16 05:45:18,509 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2023-12-16 05:45:18,509 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-12-16 05:45:18,509 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2023-12-16 05:45:18,510 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2023-12-16 05:45:18,510 INFO  L87              Difference]: Start difference. First operand 64 states and 86 transitions. Second operand  has 4 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2023-12-16 05:45:18,689 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-16 05:45:18,689 INFO  L93              Difference]: Finished difference Result 178 states and 246 transitions.
[2023-12-16 05:45:18,701 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2023-12-16 05:45:18,702 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 21
[2023-12-16 05:45:18,702 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-16 05:45:18,712 INFO  L225             Difference]: With dead ends: 178
[2023-12-16 05:45:18,712 INFO  L226             Difference]: Without dead ends: 116
[2023-12-16 05:45:18,713 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2023-12-16 05:45:18,714 INFO  L413           NwaCegarLoop]: 79 mSDtfsCounter, 99 mSDsluCounter, 113 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 99 SdHoareTripleChecker+Valid, 192 SdHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2023-12-16 05:45:18,714 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [99 Valid, 192 Invalid, 80 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2023-12-16 05:45:18,714 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 116 states.
[2023-12-16 05:45:18,722 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 99.
[2023-12-16 05:45:18,723 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 99 states, 67 states have (on average 1.4477611940298507) internal successors, (97), 78 states have internal predecessors, (97), 18 states have call successors, (18), 13 states have call predecessors, (18), 13 states have return successors, (19), 13 states have call predecessors, (19), 18 states have call successors, (19)
[2023-12-16 05:45:18,723 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 134 transitions.
[2023-12-16 05:45:18,724 INFO  L78                 Accepts]: Start accepts. Automaton has 99 states and 134 transitions. Word has length 21
[2023-12-16 05:45:18,724 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-16 05:45:18,724 INFO  L495      AbstractCegarLoop]: Abstraction has 99 states and 134 transitions.
[2023-12-16 05:45:18,724 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2023-12-16 05:45:18,724 INFO  L276                IsEmpty]: Start isEmpty. Operand 99 states and 134 transitions.
[2023-12-16 05:45:18,725 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 25
[2023-12-16 05:45:18,725 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-16 05:45:18,725 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]
[2023-12-16 05:45:18,725 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2023-12-16 05:45:18,725 INFO  L420      AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-16 05:45:18,725 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-16 05:45:18,725 INFO  L85        PathProgramCache]: Analyzing trace with hash -1081915056, now seen corresponding path program 1 times
[2023-12-16 05:45:18,725 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-12-16 05:45:18,726 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [909934535]
[2023-12-16 05:45:18,726 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-16 05:45:18,726 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-16 05:45:18,797 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-16 05:45:18,877 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16
[2023-12-16 05:45:18,878 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-16 05:45:18,880 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-12-16 05:45:18,880 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-12-16 05:45:18,880 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [909934535]
[2023-12-16 05:45:18,880 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [909934535] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-16 05:45:18,880 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-12-16 05:45:18,880 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2023-12-16 05:45:18,880 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2039229273]
[2023-12-16 05:45:18,880 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-16 05:45:18,881 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2023-12-16 05:45:18,881 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-12-16 05:45:18,881 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2023-12-16 05:45:18,881 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2023-12-16 05:45:18,881 INFO  L87              Difference]: Start difference. First operand 99 states and 134 transitions. Second operand  has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2023-12-16 05:45:19,002 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-16 05:45:19,003 INFO  L93              Difference]: Finished difference Result 285 states and 399 transitions.
[2023-12-16 05:45:19,003 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2023-12-16 05:45:19,004 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 24
[2023-12-16 05:45:19,005 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-16 05:45:19,012 INFO  L225             Difference]: With dead ends: 285
[2023-12-16 05:45:19,012 INFO  L226             Difference]: Without dead ends: 188
[2023-12-16 05:45:19,013 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2023-12-16 05:45:19,014 INFO  L413           NwaCegarLoop]: 71 mSDtfsCounter, 58 mSDsluCounter, 140 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 211 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2023-12-16 05:45:19,014 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 211 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2023-12-16 05:45:19,015 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 188 states.
[2023-12-16 05:45:19,040 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 188 to 186.
[2023-12-16 05:45:19,041 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 186 states, 125 states have (on average 1.416) internal successors, (177), 144 states have internal predecessors, (177), 36 states have call successors, (36), 26 states have call predecessors, (36), 24 states have return successors, (41), 24 states have call predecessors, (41), 36 states have call successors, (41)
[2023-12-16 05:45:19,042 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 186 states and 254 transitions.
[2023-12-16 05:45:19,042 INFO  L78                 Accepts]: Start accepts. Automaton has 186 states and 254 transitions. Word has length 24
[2023-12-16 05:45:19,042 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-16 05:45:19,042 INFO  L495      AbstractCegarLoop]: Abstraction has 186 states and 254 transitions.
[2023-12-16 05:45:19,043 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2023-12-16 05:45:19,043 INFO  L276                IsEmpty]: Start isEmpty. Operand 186 states and 254 transitions.
[2023-12-16 05:45:19,046 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 27
[2023-12-16 05:45:19,046 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-16 05:45:19,046 INFO  L195           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-12-16 05:45:19,047 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2023-12-16 05:45:19,047 INFO  L420      AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-16 05:45:19,047 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-16 05:45:19,047 INFO  L85        PathProgramCache]: Analyzing trace with hash -212703957, now seen corresponding path program 1 times
[2023-12-16 05:45:19,047 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-12-16 05:45:19,048 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [104101843]
[2023-12-16 05:45:19,048 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-16 05:45:19,048 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-16 05:45:19,055 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-16 05:45:19,126 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18
[2023-12-16 05:45:19,132 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-16 05:45:19,133 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-12-16 05:45:19,134 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-12-16 05:45:19,134 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [104101843]
[2023-12-16 05:45:19,134 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [104101843] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-16 05:45:19,134 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-12-16 05:45:19,134 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2023-12-16 05:45:19,134 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1880858739]
[2023-12-16 05:45:19,134 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-16 05:45:19,134 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-12-16 05:45:19,134 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-12-16 05:45:19,135 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-12-16 05:45:19,135 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-12-16 05:45:19,135 INFO  L87              Difference]: Start difference. First operand 186 states and 254 transitions. Second operand  has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2023-12-16 05:45:19,160 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-16 05:45:19,160 INFO  L93              Difference]: Finished difference Result 324 states and 449 transitions.
[2023-12-16 05:45:19,160 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-12-16 05:45:19,161 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 26
[2023-12-16 05:45:19,161 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-16 05:45:19,161 INFO  L225             Difference]: With dead ends: 324
[2023-12-16 05:45:19,161 INFO  L226             Difference]: Without dead ends: 140
[2023-12-16 05:45:19,162 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-12-16 05:45:19,163 INFO  L413           NwaCegarLoop]: 42 mSDtfsCounter, 41 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 42 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2023-12-16 05:45:19,163 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 42 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-12-16 05:45:19,164 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 140 states.
[2023-12-16 05:45:19,191 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 138.
[2023-12-16 05:45:19,193 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 138 states, 99 states have (on average 1.3232323232323233) internal successors, (131), 106 states have internal predecessors, (131), 20 states have call successors, (20), 20 states have call predecessors, (20), 18 states have return successors, (22), 18 states have call predecessors, (22), 20 states have call successors, (22)
[2023-12-16 05:45:19,194 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 173 transitions.
[2023-12-16 05:45:19,194 INFO  L78                 Accepts]: Start accepts. Automaton has 138 states and 173 transitions. Word has length 26
[2023-12-16 05:45:19,194 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-16 05:45:19,194 INFO  L495      AbstractCegarLoop]: Abstraction has 138 states and 173 transitions.
[2023-12-16 05:45:19,194 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2023-12-16 05:45:19,194 INFO  L276                IsEmpty]: Start isEmpty. Operand 138 states and 173 transitions.
[2023-12-16 05:45:19,195 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 29
[2023-12-16 05:45:19,195 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-16 05:45:19,195 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]
[2023-12-16 05:45:19,195 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2023-12-16 05:45:19,195 INFO  L420      AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-16 05:45:19,196 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-16 05:45:19,196 INFO  L85        PathProgramCache]: Analyzing trace with hash -1856879050, now seen corresponding path program 1 times
[2023-12-16 05:45:19,196 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-12-16 05:45:19,196 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [202807360]
[2023-12-16 05:45:19,196 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-16 05:45:19,196 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-16 05:45:19,256 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-12-16 05:45:19,256 INFO  L356             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2023-12-16 05:45:19,275 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-12-16 05:45:19,292 INFO  L130   FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2023-12-16 05:45:19,292 INFO  L360         BasicCegarLoop]: Counterexample is feasible
[2023-12-16 05:45:19,293 INFO  L805   garLoopResultBuilder]: Registering result UNSAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining)
[2023-12-16 05:45:19,295 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2023-12-16 05:45:19,296 INFO  L445         BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1]
[2023-12-16 05:45:19,298 INFO  L179   ceAbstractionStarter]: Computing trace abstraction results
[2023-12-16 05:45:19,345 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.12 05:45:19 BoogieIcfgContainer
[2023-12-16 05:45:19,346 INFO  L131        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2023-12-16 05:45:19,346 INFO  L158              Benchmark]: Toolchain (without parser) took 2672.11ms. Allocated memory was 220.2MB in the beginning and 274.7MB in the end (delta: 54.5MB). Free memory was 161.5MB in the beginning and 130.3MB in the end (delta: 31.2MB). Peak memory consumption was 86.9MB. Max. memory is 8.0GB.
[2023-12-16 05:45:19,346 INFO  L158              Benchmark]: CDTParser took 0.10ms. Allocated memory is still 220.2MB. Free memory is still 168.0MB. There was no memory consumed. Max. memory is 8.0GB.
[2023-12-16 05:45:19,346 INFO  L158              Benchmark]: CACSL2BoogieTranslator took 364.30ms. Allocated memory is still 220.2MB. Free memory was 161.2MB in the beginning and 141.6MB in the end (delta: 19.6MB). Peak memory consumption was 19.9MB. Max. memory is 8.0GB.
[2023-12-16 05:45:19,347 INFO  L158              Benchmark]: Boogie Procedure Inliner took 37.65ms. Allocated memory is still 220.2MB. Free memory was 141.6MB in the beginning and 139.2MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB.
[2023-12-16 05:45:19,347 INFO  L158              Benchmark]: Boogie Preprocessor took 27.76ms. Allocated memory is still 220.2MB. Free memory was 139.2MB in the beginning and 137.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB.
[2023-12-16 05:45:19,347 INFO  L158              Benchmark]: RCFGBuilder took 457.76ms. Allocated memory was 220.2MB in the beginning and 274.7MB in the end (delta: 54.5MB). Free memory was 136.9MB in the beginning and 236.7MB in the end (delta: -99.8MB). Peak memory consumption was 29.2MB. Max. memory is 8.0GB.
[2023-12-16 05:45:19,347 INFO  L158              Benchmark]: TraceAbstraction took 1780.70ms. Allocated memory is still 274.7MB. Free memory was 235.6MB in the beginning and 130.3MB in the end (delta: 105.4MB). Peak memory consumption was 105.9MB. Max. memory is 8.0GB.
[2023-12-16 05:45:19,352 INFO  L338   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.10ms. Allocated memory is still 220.2MB. Free memory is still 168.0MB. There was no memory consumed. Max. memory is 8.0GB.
 * CACSL2BoogieTranslator took 364.30ms. Allocated memory is still 220.2MB. Free memory was 161.2MB in the beginning and 141.6MB in the end (delta: 19.6MB). Peak memory consumption was 19.9MB. Max. memory is 8.0GB.
 * Boogie Procedure Inliner took 37.65ms. Allocated memory is still 220.2MB. Free memory was 141.6MB in the beginning and 139.2MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB.
 * Boogie Preprocessor took 27.76ms. Allocated memory is still 220.2MB. Free memory was 139.2MB in the beginning and 137.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB.
 * RCFGBuilder took 457.76ms. Allocated memory was 220.2MB in the beginning and 274.7MB in the end (delta: 54.5MB). Free memory was 136.9MB in the beginning and 236.7MB in the end (delta: -99.8MB). Peak memory consumption was 29.2MB. Max. memory is 8.0GB.
 * TraceAbstraction took 1780.70ms. Allocated memory is still 274.7MB. Free memory was 235.6MB in the beginning and 130.3MB in the end (delta: 105.4MB). Peak memory consumption was 105.9MB. Max. memory is 8.0GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator:
  - GenericResultAtLocation [Line: 49]: Unsoundness Warning
    Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [49]
  - GenericResultAtLocation [Line: 145]: Unsoundness Warning
    Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [145]
  - GenericResultAtLocation [Line: 154]: Unsoundness Warning
    Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [154]
  - GenericResultAtLocation [Line: 520]: Unsoundness Warning
    Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [520]
  - GenericResultAtLocation [Line: 590]: Unsoundness Warning
    Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [590]
  - GenericResultAtLocation [Line: 805]: Unsoundness Warning
    Ignoring preprocessor pragma C: #pragma merger(0,"Specification3_spec.i","") [805]
  - GenericResultAtLocation [Line: 839]: Unsoundness Warning
    Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [839]
  - GenericResultAtLocation [Line: 877]: Unsoundness Warning
    Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [877]
 * 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
  - CounterExampleResult [Line: 150]: a call to reach_error is reachable
    a call to reach_error is reachable
We found a FailurePath: 
[L57]               int waterLevel  =    1;
[L58]               int methaneLevelCritical  =    0;
[L324]              static struct __ACC__ERR *head  =    (struct __ACC__ERR *)0;
[L595]              int pumpRunning  =    0;
[L596]              int systemActive  =    1;
[L878]              int cleanupTimeShifts  =    4;
[L951]              int retValue_acc ;
[L952]              int tmp ;
[L956]  FCALL       select_helpers()
[L957]  FCALL       select_features()
[L958]  CALL, EXPR  valid_product()
[L869]              int retValue_acc ;
[L872]              retValue_acc = 1
[L873]              return (retValue_acc);
[L958]  RET, EXPR   valid_product()
[L958]              tmp = valid_product()
[L960]  COND TRUE   \read(tmp)
[L962]  FCALL       setup()
[L963]  CALL        runTest()
[L945]  CALL        test()
[L525]              int splverifierCounter ;
[L526]              int tmp ;
[L527]              int tmp___0 ;
[L528]              int tmp___1 ;
[L529]              int tmp___2 ;
[L532]              splverifierCounter = 0
        VAL         [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1]
[L534]  COND TRUE   1
        VAL         [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1]
[L536]  COND TRUE   splverifierCounter < 4
[L542]              tmp = __VERIFIER_nondet_int()
[L544]  COND TRUE   \read(tmp)
        VAL         [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=1]
[L546]  CALL        waterRise()
        VAL         [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L75]   COND TRUE   waterLevel < 2
[L76]               waterLevel = waterLevel + 1
        VAL         [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L546]  RET         waterRise()
        VAL         [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=2]
[L552]              tmp___0 = __VERIFIER_nondet_int()
[L554]  COND FALSE  !(\read(tmp___0))
        VAL         [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, waterLevel=2]
[L562]              tmp___2 = __VERIFIER_nondet_int()
[L564]  COND FALSE  !(\read(tmp___2))
[L568]              tmp___1 = __VERIFIER_nondet_int()
[L570]  COND TRUE   \read(tmp___1)
[L572]  CALL        stopSystem()
[L794]  COND FALSE  !(\read(pumpRunning))
        VAL         [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L801]              systemActive = 0
[L572]  RET         stopSystem()
[L579]  CALL        timeShift()
        VAL         [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2]
[L603]  COND FALSE  !(\read(pumpRunning))
        VAL         [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2]
[L610]  COND FALSE  !(\read(systemActive))
        VAL         [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2]
[L618]  CALL        __utac_acc__Specification3_spec__1()
[L807]              int tmp ;
[L808]              int tmp___0 ;
[L809]              int tmp___1 ;
        VAL         [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2]
[L813]  CALL, EXPR  isMethaneLevelCritical()
        VAL         [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2]
[L96]               int retValue_acc ;
[L99]               retValue_acc = methaneLevelCritical
[L100]              return (retValue_acc);
[L813]  RET, EXPR   isMethaneLevelCritical()
        VAL         [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2]
[L813]              tmp = isMethaneLevelCritical()
[L815]  COND FALSE  !(\read(tmp))
[L819]  CALL, EXPR  getWaterLevel()
[L128]              int retValue_acc ;
[L131]              retValue_acc = waterLevel
[L132]              return (retValue_acc);
[L819]  RET, EXPR   getWaterLevel()
[L819]              tmp___0 = getWaterLevel()
[L821]  COND TRUE   tmp___0 == 2
[L823]  CALL, EXPR  isPumpRunning()
[L727]              int retValue_acc ;
[L730]              retValue_acc = pumpRunning
[L731]              return (retValue_acc);
[L823]  RET, EXPR   isPumpRunning()
[L823]              tmp___1 = isPumpRunning()
[L825]  COND FALSE  !(\read(tmp___1))
[L829]  CALL        __automaton_fail()
[L150]              reach_error()
        VAL         [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2]

  - StatisticsResult: Ultimate Automizer benchmark data
    CFG has 10 procedures, 77 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.7s, OverallIterations: 6, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 216 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 212 mSDsluCounter, 664 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 310 mSDsCounter, 14 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 166 IncrementalHoareTripleChecker+Invalid, 180 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 14 mSolverCounterUnsat, 354 mSDtfsCounter, 166 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 27 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=186occurred in iteration=4, InterpolantAutomatonStates: 16, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 21 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 134 NumberOfCodeBlocks, 134 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 101 ConstructedInterpolants, 0 QuantifiedInterpolants, 201 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
RESULT: Ultimate proved your program to be incorrect!
[2023-12-16 05:45:19,381 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0
Received shutdown request...