/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_Bitvector.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/product-lines/minepump_spec3_product20.cil.c


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


This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m
[2023-12-16 17:40:36,167 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2023-12-16 17:40:36,233 INFO  L114        SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf
[2023-12-16 17:40:36,238 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2023-12-16 17:40:36,239 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2023-12-16 17:40:36,259 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2023-12-16 17:40:36,260 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2023-12-16 17:40:36,260 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2023-12-16 17:40:36,261 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2023-12-16 17:40:36,263 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2023-12-16 17:40:36,264 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2023-12-16 17:40:36,264 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2023-12-16 17:40:36,264 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2023-12-16 17:40:36,265 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2023-12-16 17:40:36,265 INFO  L153        SettingsManager]:  * Use SBE=true
[2023-12-16 17:40:36,266 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-12-16 17:40:36,266 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2023-12-16 17:40:36,266 INFO  L153        SettingsManager]:  * sizeof long=4
[2023-12-16 17:40:36,266 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2023-12-16 17:40:36,266 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2023-12-16 17:40:36,266 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2023-12-16 17:40:36,267 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2023-12-16 17:40:36,267 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2023-12-16 17:40:36,267 INFO  L153        SettingsManager]:  * Adapt memory model on pointer casts if necessary=true
[2023-12-16 17:40:36,267 INFO  L153        SettingsManager]:  * Use bitvectors instead of ints=true
[2023-12-16 17:40:36,267 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2023-12-16 17:40:36,267 INFO  L153        SettingsManager]:  * Memory model=HoenickeLindenmann_4ByteResolution
[2023-12-16 17:40:36,268 INFO  L153        SettingsManager]:  * sizeof long double=12
[2023-12-16 17:40:36,268 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2023-12-16 17:40:36,268 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2023-12-16 17:40:36,269 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-12-16 17:40:36,269 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2023-12-16 17:40:36,269 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2023-12-16 17:40:36,269 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2023-12-16 17:40:36,269 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2023-12-16 17:40:36,269 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-12-16 17:40:36,269 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2023-12-16 17:40:36,270 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2023-12-16 17:40:36,270 INFO  L153        SettingsManager]:  * Trace refinement strategy=WOLF
[2023-12-16 17:40:36,270 INFO  L153        SettingsManager]:  * Command for external solver=cvc4 --incremental --print-success --lang smt
[2023-12-16 17:40:36,270 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2023-12-16 17:40:36,270 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2023-12-16 17:40:36,270 INFO  L153        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2023-12-16 17:40:36,270 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2023-12-16 17:40:36,271 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2023-12-16 17:40:36,271 INFO  L153        SettingsManager]:  * Logic for external solver=AUFBV
[2023-12-16 17:40:36,271 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
[2023-12-16 17:40:36,425 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2023-12-16 17:40:36,437 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-12-16 17:40:36,438 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-12-16 17:40:36,439 INFO  L270        PluginConnector]: Initializing CDTParser...
[2023-12-16 17:40:36,443 INFO  L274        PluginConnector]: CDTParser initialized
[2023-12-16 17:40:36,444 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product20.cil.c
[2023-12-16 17:40:37,482 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2023-12-16 17:40:37,726 INFO  L384              CDTParser]: Found 1 translation units.
[2023-12-16 17:40:37,726 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec3_product20.cil.c
[2023-12-16 17:40:37,736 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dec3764dd/6bc651ab783e450a842d0b2990f4d5e1/FLAG950a6adab
[2023-12-16 17:40:37,748 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dec3764dd/6bc651ab783e450a842d0b2990f4d5e1
[2023-12-16 17:40:37,750 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-12-16 17:40:37,751 INFO  L133        ToolchainWalker]: Walking toolchain with 5 elements.
[2023-12-16 17:40:37,752 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-12-16 17:40:37,752 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-12-16 17:40:37,755 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2023-12-16 17:40:37,755 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 05:40:37" (1/1) ...
[2023-12-16 17:40:37,756 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b29ad35 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:40:37, skipping insertion in model container
[2023-12-16 17:40:37,756 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 05:40:37" (1/1) ...
[2023-12-16 17:40:37,785 INFO  L177         MainTranslator]: Built tables and reachable declarations
[2023-12-16 17:40:37,977 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_product20.cil.c[17955,17968]
[2023-12-16 17:40:37,980 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-12-16 17:40:37,995 INFO  L199         MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution]
[2023-12-16 17:40:38,007 INFO  L177         MainTranslator]: Built tables and reachable declarations
[2023-12-16 17:40:38,079 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_product20.cil.c[17955,17968]
[2023-12-16 17:40:38,079 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-12-16 17:40:38,086 INFO  L202         MainTranslator]: Completed pre-run
[2023-12-16 17:40:38,093 WARN  L75    lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [49]
[2023-12-16 17:40:38,101 WARN  L75    lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [87]
[2023-12-16 17:40:38,101 WARN  L75    lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [453]
[2023-12-16 17:40:38,101 WARN  L75    lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification3_spec.i","") [554]
[2023-12-16 17:40:38,101 WARN  L75    lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [592]
[2023-12-16 17:40:38,101 WARN  L75    lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [774]
[2023-12-16 17:40:38,101 WARN  L75    lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [843]
[2023-12-16 17:40:38,102 WARN  L75    lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [932]
[2023-12-16 17:40:38,157 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_product20.cil.c[17955,17968]
[2023-12-16 17:40:38,157 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-12-16 17:40:38,180 INFO  L206         MainTranslator]: Completed translation
[2023-12-16 17:40:38,181 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:40:38 WrapperNode
[2023-12-16 17:40:38,181 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-12-16 17:40:38,182 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2023-12-16 17:40:38,182 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2023-12-16 17:40:38,182 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2023-12-16 17:40:38,187 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:40:38" (1/1) ...
[2023-12-16 17:40:38,197 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:40:38" (1/1) ...
[2023-12-16 17:40:38,211 INFO  L138                Inliner]: procedures = 56, calls = 97, calls flagged for inlining = 21, calls inlined = 18, statements flattened = 168
[2023-12-16 17:40:38,211 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2023-12-16 17:40:38,211 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2023-12-16 17:40:38,211 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2023-12-16 17:40:38,211 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2023-12-16 17:40:38,218 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:40:38" (1/1) ...
[2023-12-16 17:40:38,218 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:40:38" (1/1) ...
[2023-12-16 17:40:38,220 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:40:38" (1/1) ...
[2023-12-16 17:40:38,228 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 17:40:38,228 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:40:38" (1/1) ...
[2023-12-16 17:40:38,228 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:40:38" (1/1) ...
[2023-12-16 17:40:38,232 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:40:38" (1/1) ...
[2023-12-16 17:40:38,234 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:40:38" (1/1) ...
[2023-12-16 17:40:38,235 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:40:38" (1/1) ...
[2023-12-16 17:40:38,236 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:40:38" (1/1) ...
[2023-12-16 17:40:38,237 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2023-12-16 17:40:38,238 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2023-12-16 17:40:38,238 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2023-12-16 17:40:38,238 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2023-12-16 17:40:38,239 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:40:38" (1/1) ...
[2023-12-16 17:40:38,243 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2023-12-16 17:40:38,268 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2023-12-16 17:40:38,290 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 17:40:38,311 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 17:40:38,319 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2023-12-16 17:40:38,320 INFO  L130     BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base
[2023-12-16 17:40:38,320 INFO  L138     BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base
[2023-12-16 17:40:38,320 INFO  L130     BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical
[2023-12-16 17:40:38,320 INFO  L138     BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical
[2023-12-16 17:40:38,320 INFO  L130     BoogieDeclarations]: Found specification of procedure timeShift
[2023-12-16 17:40:38,320 INFO  L138     BoogieDeclarations]: Found implementation of procedure timeShift
[2023-12-16 17:40:38,320 INFO  L130     BoogieDeclarations]: Found specification of procedure cleanup
[2023-12-16 17:40:38,320 INFO  L138     BoogieDeclarations]: Found implementation of procedure cleanup
[2023-12-16 17:40:38,320 INFO  L130     BoogieDeclarations]: Found specification of procedure waterRise
[2023-12-16 17:40:38,320 INFO  L138     BoogieDeclarations]: Found implementation of procedure waterRise
[2023-12-16 17:40:38,321 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0
[2023-12-16 17:40:38,321 INFO  L130     BoogieDeclarations]: Found specification of procedure deactivatePump
[2023-12-16 17:40:38,321 INFO  L138     BoogieDeclarations]: Found implementation of procedure deactivatePump
[2023-12-16 17:40:38,321 INFO  L130     BoogieDeclarations]: Found specification of procedure changeMethaneLevel
[2023-12-16 17:40:38,321 INFO  L138     BoogieDeclarations]: Found implementation of procedure changeMethaneLevel
[2023-12-16 17:40:38,321 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2023-12-16 17:40:38,321 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2023-12-16 17:40:38,371 INFO  L241             CfgBuilder]: Building ICFG
[2023-12-16 17:40:38,373 INFO  L267             CfgBuilder]: Building CFG for each procedure with an implementation
[2023-12-16 17:40:38,623 INFO  L282             CfgBuilder]: Performing block encoding
[2023-12-16 17:40:38,689 INFO  L304             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2023-12-16 17:40:38,689 INFO  L309             CfgBuilder]: Removed 2 assume(true) statements.
[2023-12-16 17:40:38,690 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 05:40:38 BoogieIcfgContainer
[2023-12-16 17:40:38,690 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2023-12-16 17:40:38,691 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2023-12-16 17:40:38,691 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2023-12-16 17:40:38,694 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2023-12-16 17:40:38,694 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.12 05:40:37" (1/3) ...
[2023-12-16 17:40:38,694 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37645690 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 05:40:38, skipping insertion in model container
[2023-12-16 17:40:38,694 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:40:38" (2/3) ...
[2023-12-16 17:40:38,694 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37645690 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 05:40:38, skipping insertion in model container
[2023-12-16 17:40:38,695 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 05:40:38" (3/3) ...
[2023-12-16 17:40:38,695 INFO  L112   eAbstractionObserver]: Analyzing ICFG minepump_spec3_product20.cil.c
[2023-12-16 17:40:38,709 INFO  L204   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2023-12-16 17:40:38,709 INFO  L163   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2023-12-16 17:40:38,747 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2023-12-16 17:40:38,752 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;@25728d3c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2023-12-16 17:40:38,752 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2023-12-16 17:40:38,756 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 63 states, 43 states have (on average 1.558139534883721) internal successors, (67), 50 states have internal predecessors, (67), 11 states have call successors, (11), 7 states have call predecessors, (11), 7 states have return successors, (11), 9 states have call predecessors, (11), 11 states have call successors, (11)
[2023-12-16 17:40:38,765 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 18
[2023-12-16 17:40:38,765 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-16 17:40:38,766 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 17:40:38,766 INFO  L420      AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-16 17:40:38,770 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-16 17:40:38,770 INFO  L85        PathProgramCache]: Analyzing trace with hash 208226906, now seen corresponding path program 1 times
[2023-12-16 17:40:38,780 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-12-16 17:40:38,781 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1984274228]
[2023-12-16 17:40:38,781 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-16 17:40:38,781 INFO  L173          SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2023-12-16 17:40:38,781 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2023-12-16 17:40:38,868 INFO  L229       MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2023-12-16 17:40:38,894 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process
[2023-12-16 17:40:38,947 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-16 17:40:38,949 INFO  L262         TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 1 conjunts are in the unsatisfiable core
[2023-12-16 17:40:38,954 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-16 17:40:38,969 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 17:40:38,969 INFO  L323         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-12-16 17:40:38,970 INFO  L136   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2023-12-16 17:40:38,970 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1984274228]
[2023-12-16 17:40:38,970 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [1984274228] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-16 17:40:38,970 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-12-16 17:40:38,971 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-12-16 17:40:38,972 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1784268469]
[2023-12-16 17:40:38,972 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-16 17:40:38,975 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2023-12-16 17:40:38,975 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2023-12-16 17:40:38,997 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2023-12-16 17:40:38,998 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2023-12-16 17:40:39,000 INFO  L87              Difference]: Start difference. First operand  has 63 states, 43 states have (on average 1.558139534883721) internal successors, (67), 50 states have internal predecessors, (67), 11 states have call successors, (11), 7 states have call predecessors, (11), 7 states have return successors, (11), 9 states have call predecessors, (11), 11 states have call successors, (11) Second operand  has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 1 states have call successors, (3), 1 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 17:40:39,047 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-16 17:40:39,048 INFO  L93              Difference]: Finished difference Result 124 states and 179 transitions.
[2023-12-16 17:40:39,049 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-12-16 17:40:39,050 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), 1 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 17:40:39,050 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-16 17:40:39,057 INFO  L225             Difference]: With dead ends: 124
[2023-12-16 17:40:39,057 INFO  L226             Difference]: Without dead ends: 58
[2023-12-16 17:40:39,061 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 16 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 17:40:39,064 INFO  L413           NwaCegarLoop]: 69 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, 69 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 17:40:39,065 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 69 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-12-16 17:40:39,076 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 58 states.
[2023-12-16 17:40:39,092 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 58.
[2023-12-16 17:40:39,093 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 58 states, 40 states have (on average 1.425) internal successors, (57), 46 states have internal predecessors, (57), 11 states have call successors, (11), 7 states have call predecessors, (11), 6 states have return successors, (10), 8 states have call predecessors, (10), 10 states have call successors, (10)
[2023-12-16 17:40:39,098 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 78 transitions.
[2023-12-16 17:40:39,099 INFO  L78                 Accepts]: Start accepts. Automaton has 58 states and 78 transitions. Word has length 17
[2023-12-16 17:40:39,099 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-16 17:40:39,099 INFO  L495      AbstractCegarLoop]: Abstraction has 58 states and 78 transitions.
[2023-12-16 17:40:39,100 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), 1 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 17:40:39,101 INFO  L276                IsEmpty]: Start isEmpty. Operand 58 states and 78 transitions.
[2023-12-16 17:40:39,103 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 19
[2023-12-16 17:40:39,104 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-16 17:40:39,104 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 17:40:39,108 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0
[2023-12-16 17:40:39,306 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2023-12-16 17:40:39,307 INFO  L420      AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-16 17:40:39,308 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-16 17:40:39,308 INFO  L85        PathProgramCache]: Analyzing trace with hash 1725866130, now seen corresponding path program 1 times
[2023-12-16 17:40:39,309 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-12-16 17:40:39,309 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1483662580]
[2023-12-16 17:40:39,309 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-16 17:40:39,309 INFO  L173          SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2023-12-16 17:40:39,310 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2023-12-16 17:40:39,311 INFO  L229       MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2023-12-16 17:40:39,342 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process
[2023-12-16 17:40:39,379 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-16 17:40:39,380 INFO  L262         TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 2 conjunts are in the unsatisfiable core
[2023-12-16 17:40:39,382 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-16 17:40:39,409 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 17:40:39,409 INFO  L323         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-12-16 17:40:39,409 INFO  L136   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2023-12-16 17:40:39,413 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1483662580]
[2023-12-16 17:40:39,413 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [1483662580] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-16 17:40:39,413 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-12-16 17:40:39,413 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2023-12-16 17:40:39,413 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [218721315]
[2023-12-16 17:40:39,413 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-16 17:40:39,414 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-12-16 17:40:39,414 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2023-12-16 17:40:39,415 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-12-16 17:40:39,415 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-12-16 17:40:39,415 INFO  L87              Difference]: Start difference. First operand 58 states and 78 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), 1 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 17:40:39,448 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-16 17:40:39,448 INFO  L93              Difference]: Finished difference Result 86 states and 114 transitions.
[2023-12-16 17:40:39,448 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-12-16 17:40:39,449 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), 1 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 17:40:39,449 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-16 17:40:39,450 INFO  L225             Difference]: With dead ends: 86
[2023-12-16 17:40:39,450 INFO  L226             Difference]: Without dead ends: 50
[2023-12-16 17:40:39,451 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 16 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 17:40:39,452 INFO  L413           NwaCegarLoop]: 55 mSDtfsCounter, 14 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 94 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2023-12-16 17:40:39,452 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 94 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-12-16 17:40:39,454 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 50 states.
[2023-12-16 17:40:39,465 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50.
[2023-12-16 17:40:39,466 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 50 states, 35 states have (on average 1.457142857142857) internal successors, (51), 41 states have internal predecessors, (51), 8 states have call successors, (8), 6 states have call predecessors, (8), 6 states have return successors, (8), 6 states have call predecessors, (8), 8 states have call successors, (8)
[2023-12-16 17:40:39,467 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 67 transitions.
[2023-12-16 17:40:39,467 INFO  L78                 Accepts]: Start accepts. Automaton has 50 states and 67 transitions. Word has length 18
[2023-12-16 17:40:39,467 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-16 17:40:39,468 INFO  L495      AbstractCegarLoop]: Abstraction has 50 states and 67 transitions.
[2023-12-16 17:40:39,469 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), 1 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 17:40:39,469 INFO  L276                IsEmpty]: Start isEmpty. Operand 50 states and 67 transitions.
[2023-12-16 17:40:39,472 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 22
[2023-12-16 17:40:39,474 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-16 17:40:39,474 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 17:40:39,479 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0
[2023-12-16 17:40:39,677 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2023-12-16 17:40:39,677 INFO  L420      AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-16 17:40:39,678 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-16 17:40:39,678 INFO  L85        PathProgramCache]: Analyzing trace with hash 456608152, now seen corresponding path program 1 times
[2023-12-16 17:40:39,678 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-12-16 17:40:39,678 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [226206325]
[2023-12-16 17:40:39,678 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-16 17:40:39,678 INFO  L173          SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2023-12-16 17:40:39,679 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2023-12-16 17:40:39,682 INFO  L229       MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2023-12-16 17:40:39,684 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process
[2023-12-16 17:40:39,714 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-16 17:40:39,723 INFO  L262         TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 2 conjunts are in the unsatisfiable core
[2023-12-16 17:40:39,725 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-16 17:40:39,740 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 17:40:39,740 INFO  L323         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-12-16 17:40:39,741 INFO  L136   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2023-12-16 17:40:39,741 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [226206325]
[2023-12-16 17:40:39,741 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [226206325] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-16 17:40:39,741 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-12-16 17:40:39,741 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2023-12-16 17:40:39,741 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1709126056]
[2023-12-16 17:40:39,741 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-16 17:40:39,742 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-12-16 17:40:39,742 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2023-12-16 17:40:39,742 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-12-16 17:40:39,742 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-12-16 17:40:39,742 INFO  L87              Difference]: Start difference. First operand 50 states and 67 transitions. Second operand  has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 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 17:40:39,803 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-16 17:40:39,803 INFO  L93              Difference]: Finished difference Result 146 states and 198 transitions.
[2023-12-16 17:40:39,805 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-12-16 17:40:39,805 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), 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 17:40:39,805 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-16 17:40:39,806 INFO  L225             Difference]: With dead ends: 146
[2023-12-16 17:40:39,806 INFO  L226             Difference]: Without dead ends: 98
[2023-12-16 17:40:39,806 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 19 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 17:40:39,807 INFO  L413           NwaCegarLoop]: 65 mSDtfsCounter, 61 mSDsluCounter, 53 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 118 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2023-12-16 17:40:39,807 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 118 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-12-16 17:40:39,808 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 98 states.
[2023-12-16 17:40:39,816 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 95.
[2023-12-16 17:40:39,816 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 95 states, 66 states have (on average 1.4696969696969697) internal successors, (97), 77 states have internal predecessors, (97), 16 states have call successors, (16), 12 states have call predecessors, (16), 12 states have return successors, (16), 11 states have call predecessors, (16), 16 states have call successors, (16)
[2023-12-16 17:40:39,817 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 129 transitions.
[2023-12-16 17:40:39,817 INFO  L78                 Accepts]: Start accepts. Automaton has 95 states and 129 transitions. Word has length 21
[2023-12-16 17:40:39,817 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-16 17:40:39,817 INFO  L495      AbstractCegarLoop]: Abstraction has 95 states and 129 transitions.
[2023-12-16 17:40:39,817 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), 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 17:40:39,817 INFO  L276                IsEmpty]: Start isEmpty. Operand 95 states and 129 transitions.
[2023-12-16 17:40:39,818 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 25
[2023-12-16 17:40:39,818 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-16 17:40:39,818 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 17:40:39,835 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0
[2023-12-16 17:40:40,023 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2023-12-16 17:40:40,024 INFO  L420      AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-16 17:40:40,024 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-16 17:40:40,024 INFO  L85        PathProgramCache]: Analyzing trace with hash 1019771842, now seen corresponding path program 1 times
[2023-12-16 17:40:40,024 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-12-16 17:40:40,024 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1146632522]
[2023-12-16 17:40:40,024 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-16 17:40:40,025 INFO  L173          SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2023-12-16 17:40:40,025 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2023-12-16 17:40:40,026 INFO  L229       MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2023-12-16 17:40:40,028 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process
[2023-12-16 17:40:40,076 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-16 17:40:40,077 INFO  L262         TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 6 conjunts are in the unsatisfiable core
[2023-12-16 17:40:40,079 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-16 17:40:40,120 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 17:40:40,120 INFO  L323         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-12-16 17:40:40,121 INFO  L136   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2023-12-16 17:40:40,121 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1146632522]
[2023-12-16 17:40:40,121 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [1146632522] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-16 17:40:40,121 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-12-16 17:40:40,121 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2023-12-16 17:40:40,121 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1993690810]
[2023-12-16 17:40:40,121 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-16 17:40:40,121 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2023-12-16 17:40:40,121 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2023-12-16 17:40:40,122 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2023-12-16 17:40:40,122 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2023-12-16 17:40:40,122 INFO  L87              Difference]: Start difference. First operand 95 states and 129 transitions. Second operand  has 4 states, 4 states have (on average 5.25) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (2), 1 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 17:40:40,173 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-16 17:40:40,174 INFO  L93              Difference]: Finished difference Result 273 states and 382 transitions.
[2023-12-16 17:40:40,174 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2023-12-16 17:40:40,174 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 5.25) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (2), 1 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 17:40:40,174 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-16 17:40:40,176 INFO  L225             Difference]: With dead ends: 273
[2023-12-16 17:40:40,176 INFO  L226             Difference]: Without dead ends: 180
[2023-12-16 17:40:40,177 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 21 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 17:40:40,177 INFO  L413           NwaCegarLoop]: 52 mSDtfsCounter, 37 mSDsluCounter, 102 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 154 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2023-12-16 17:40:40,178 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 154 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-12-16 17:40:40,178 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 180 states.
[2023-12-16 17:40:40,193 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 180 to 178.
[2023-12-16 17:40:40,194 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 178 states, 123 states have (on average 1.4390243902439024) internal successors, (177), 142 states have internal predecessors, (177), 32 states have call successors, (32), 24 states have call predecessors, (32), 22 states have return successors, (34), 20 states have call predecessors, (34), 32 states have call successors, (34)
[2023-12-16 17:40:40,195 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 178 states and 243 transitions.
[2023-12-16 17:40:40,195 INFO  L78                 Accepts]: Start accepts. Automaton has 178 states and 243 transitions. Word has length 24
[2023-12-16 17:40:40,195 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-16 17:40:40,195 INFO  L495      AbstractCegarLoop]: Abstraction has 178 states and 243 transitions.
[2023-12-16 17:40:40,195 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 5.25) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (2), 1 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 17:40:40,195 INFO  L276                IsEmpty]: Start isEmpty. Operand 178 states and 243 transitions.
[2023-12-16 17:40:40,197 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 29
[2023-12-16 17:40:40,197 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-16 17:40:40,197 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 17:40:40,227 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Ended with exit code 0
[2023-12-16 17:40:40,399 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2023-12-16 17:40:40,399 INFO  L420      AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-16 17:40:40,399 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-16 17:40:40,399 INFO  L85        PathProgramCache]: Analyzing trace with hash -1684843480, now seen corresponding path program 1 times
[2023-12-16 17:40:40,400 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-12-16 17:40:40,400 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [308463011]
[2023-12-16 17:40:40,400 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-16 17:40:40,400 INFO  L173          SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2023-12-16 17:40:40,400 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2023-12-16 17:40:40,406 INFO  L229       MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2023-12-16 17:40:40,406 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process
[2023-12-16 17:40:40,437 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-12-16 17:40:40,438 INFO  L356             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2023-12-16 17:40:40,451 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-12-16 17:40:40,474 INFO  L130   FreeRefinementEngine]: Strategy WOLF found a feasible trace
[2023-12-16 17:40:40,475 INFO  L360         BasicCegarLoop]: Counterexample is feasible
[2023-12-16 17:40:40,475 INFO  L805   garLoopResultBuilder]: Registering result UNSAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining)
[2023-12-16 17:40:40,481 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0
[2023-12-16 17:40:40,679 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2023-12-16 17:40:40,681 INFO  L445         BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1]
[2023-12-16 17:40:40,683 INFO  L179   ceAbstractionStarter]: Computing trace abstraction results
[2023-12-16 17:40:40,707 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.12 05:40:40 BoogieIcfgContainer
[2023-12-16 17:40:40,707 INFO  L131        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2023-12-16 17:40:40,708 INFO  L158              Benchmark]: Toolchain (without parser) took 2956.79ms. Allocated memory is still 278.9MB. Free memory was 238.0MB in the beginning and 187.3MB in the end (delta: 50.7MB). Peak memory consumption was 51.7MB. Max. memory is 8.0GB.
[2023-12-16 17:40:40,708 INFO  L158              Benchmark]: CDTParser took 0.11ms. Allocated memory is still 162.5MB. Free memory is still 111.4MB. There was no memory consumed. Max. memory is 8.0GB.
[2023-12-16 17:40:40,708 INFO  L158              Benchmark]: CACSL2BoogieTranslator took 429.35ms. Allocated memory is still 278.9MB. Free memory was 237.5MB in the beginning and 212.3MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 8.0GB.
[2023-12-16 17:40:40,708 INFO  L158              Benchmark]: Boogie Procedure Inliner took 29.35ms. Allocated memory is still 278.9MB. Free memory was 212.3MB in the beginning and 209.7MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB.
[2023-12-16 17:40:40,709 INFO  L158              Benchmark]: Boogie Preprocessor took 26.25ms. Allocated memory is still 278.9MB. Free memory was 209.7MB in the beginning and 207.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB.
[2023-12-16 17:40:40,709 INFO  L158              Benchmark]: RCFGBuilder took 451.97ms. Allocated memory is still 278.9MB. Free memory was 207.6MB in the beginning and 179.8MB in the end (delta: 27.8MB). Peak memory consumption was 28.3MB. Max. memory is 8.0GB.
[2023-12-16 17:40:40,709 INFO  L158              Benchmark]: TraceAbstraction took 2016.07ms. Allocated memory is still 278.9MB. Free memory was 178.8MB in the beginning and 187.3MB in the end (delta: -8.5MB). There was no memory consumed. Max. memory is 8.0GB.
[2023-12-16 17:40:40,710 INFO  L338   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.11ms. Allocated memory is still 162.5MB. Free memory is still 111.4MB. There was no memory consumed. Max. memory is 8.0GB.
 * CACSL2BoogieTranslator took 429.35ms. Allocated memory is still 278.9MB. Free memory was 237.5MB in the beginning and 212.3MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 8.0GB.
 * Boogie Procedure Inliner took 29.35ms. Allocated memory is still 278.9MB. Free memory was 212.3MB in the beginning and 209.7MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB.
 * Boogie Preprocessor took 26.25ms. Allocated memory is still 278.9MB. Free memory was 209.7MB in the beginning and 207.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB.
 * RCFGBuilder took 451.97ms. Allocated memory is still 278.9MB. Free memory was 207.6MB in the beginning and 179.8MB in the end (delta: 27.8MB). Peak memory consumption was 28.3MB. Max. memory is 8.0GB.
 * TraceAbstraction took 2016.07ms. Allocated memory is still 278.9MB. Free memory was 178.8MB in the beginning and 187.3MB in the end (delta: -8.5MB). There was no memory consumed. 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,"featureselect.i","") [49]
  - GenericResultAtLocation [Line: 87]: Unsoundness Warning
    Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [87]
  - GenericResultAtLocation [Line: 453]: Unsoundness Warning
    Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [453]
  - GenericResultAtLocation [Line: 554]: Unsoundness Warning
    Ignoring preprocessor pragma C: #pragma merger(0,"Specification3_spec.i","") [554]
  - GenericResultAtLocation [Line: 592]: Unsoundness Warning
    Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [592]
  - GenericResultAtLocation [Line: 774]: Unsoundness Warning
    Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [774]
  - GenericResultAtLocation [Line: 843]: Unsoundness Warning
    Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [843]
  - GenericResultAtLocation [Line: 932]: Unsoundness Warning
    Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [932]
 * 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: 937]: a call to reach_error is reachable
    a call to reach_error is reachable
We found a FailurePath: 
[L257]              static struct __ACC__ERR *head  =    (struct __ACC__ERR *)0;
[L454]              int cleanupTimeShifts  =    4;
[L600]              int pumpRunning  =    0;
[L601]              int systemActive  =    1;
[L844]              int waterLevel  =    1;
[L845]              int methaneLevelCritical  =    0;
[L532]              int retValue_acc ;
[L533]              int tmp ;
[L537]  FCALL       select_helpers()
[L538]  FCALL       select_features()
[L539]  CALL, EXPR  valid_product()
[L79]               int retValue_acc ;
[L82]               retValue_acc = 1
[L83]               return (retValue_acc);
[L539]  RET, EXPR   valid_product()
[L539]              tmp = valid_product()
[L541]  COND TRUE   \read(tmp)
[L543]  FCALL       setup()
[L544]  CALL        runTest()
[L526]  CALL        test()
[L776]              int splverifierCounter ;
[L777]              int tmp ;
[L778]              int tmp___0 ;
[L779]              int tmp___1 ;
[L780]              int tmp___2 ;
[L783]              splverifierCounter = 0
        VAL         [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1]
[L785]  COND TRUE   1
        VAL         [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1]
[L787]  COND TRUE   splverifierCounter < 4
[L793]              tmp = __VERIFIER_nondet_int()
[L795]  COND TRUE   \read(tmp)
        VAL         [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=2, waterLevel=1]
[L797]  CALL        waterRise()
        VAL         [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L862]  COND TRUE   waterLevel < 2
[L863]              waterLevel = waterLevel + 1
        VAL         [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L797]  RET         waterRise()
        VAL         [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=2, waterLevel=2]
[L803]              tmp___0 = __VERIFIER_nondet_int()
[L805]  COND FALSE  !(\read(tmp___0))
        VAL         [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=2, tmp___0=0, waterLevel=2]
[L813]              tmp___2 = __VERIFIER_nondet_int()
[L815]  COND FALSE  !(\read(tmp___2))
[L821]              tmp___1 = __VERIFIER_nondet_int()
[L823]  COND TRUE   \read(tmp___1)
[L825]  CALL        stopSystem()
[L755]  COND FALSE  !(\read(pumpRunning))
        VAL         [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L762]              systemActive = 0
[L825]  RET         stopSystem()
[L832]  CALL        timeShift()
        VAL         [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2]
[L607]  COND FALSE  !(\read(pumpRunning))
        VAL         [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2]
[L614]  COND FALSE  !(\read(systemActive))
        VAL         [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2]
[L622]  CALL        __utac_acc__Specification3_spec__1()
[L560]              int tmp ;
[L561]              int tmp___0 ;
[L562]              int tmp___1 ;
        VAL         [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2]
[L566]  CALL, EXPR  isMethaneLevelCritical()
        VAL         [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2]
[L883]              int retValue_acc ;
[L886]              retValue_acc = methaneLevelCritical
[L887]              return (retValue_acc);
[L566]  RET, EXPR   isMethaneLevelCritical()
        VAL         [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2]
[L566]              tmp = isMethaneLevelCritical()
[L568]  COND FALSE  !(\read(tmp))
[L572]  CALL, EXPR  getWaterLevel()
[L915]              int retValue_acc ;
[L918]              retValue_acc = waterLevel
[L919]              return (retValue_acc);
[L572]  RET, EXPR   getWaterLevel()
[L572]              tmp___0 = getWaterLevel()
[L574]  COND TRUE   tmp___0 == 2
[L576]  CALL, EXPR  isPumpRunning()
[L688]              int retValue_acc ;
[L691]              retValue_acc = pumpRunning
[L692]              return (retValue_acc);
[L576]  RET, EXPR   isPumpRunning()
[L576]              tmp___1 = isPumpRunning()
[L578]  COND FALSE  !(\read(tmp___1))
[L582]  CALL        __automaton_fail()
[L937]              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 8 procedures, 63 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.9s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 116 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 112 mSDsluCounter, 435 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 194 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 110 IncrementalHoareTripleChecker+Invalid, 113 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 241 mSDtfsCounter, 110 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 77 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=178occurred in iteration=4, InterpolantAutomatonStates: 12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 5 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 108 NumberOfCodeBlocks, 108 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 76 ConstructedInterpolants, 0 QuantifiedInterpolants, 128 SizeOfPredicates, 3 NumberOfNonLiveVariables, 313 ConjunctsInSsa, 11 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
RESULT: Ultimate proved your program to be incorrect!
[2023-12-16 17:40:40,725 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0
Received shutdown request...