/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_product48.cil.c


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


This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m
[2023-12-16 17:40:54,150 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2023-12-16 17:40:54,225 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 17:40:54,233 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2023-12-16 17:40:54,234 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2023-12-16 17:40:54,261 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2023-12-16 17:40:54,263 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2023-12-16 17:40:54,263 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2023-12-16 17:40:54,264 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2023-12-16 17:40:54,267 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2023-12-16 17:40:54,267 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2023-12-16 17:40:54,268 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2023-12-16 17:40:54,269 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2023-12-16 17:40:54,270 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2023-12-16 17:40:54,270 INFO  L153        SettingsManager]:  * Use SBE=true
[2023-12-16 17:40:54,271 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-12-16 17:40:54,271 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2023-12-16 17:40:54,271 INFO  L153        SettingsManager]:  * sizeof long=4
[2023-12-16 17:40:54,271 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2023-12-16 17:40:54,271 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2023-12-16 17:40:54,272 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2023-12-16 17:40:54,272 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2023-12-16 17:40:54,272 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2023-12-16 17:40:54,272 INFO  L153        SettingsManager]:  * Adapt memory model on pointer casts if necessary=true
[2023-12-16 17:40:54,273 INFO  L153        SettingsManager]:  * Use bitvectors instead of ints=true
[2023-12-16 17:40:54,273 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2023-12-16 17:40:54,273 INFO  L153        SettingsManager]:  * Memory model=HoenickeLindenmann_4ByteResolution
[2023-12-16 17:40:54,273 INFO  L153        SettingsManager]:  * sizeof long double=12
[2023-12-16 17:40:54,273 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2023-12-16 17:40:54,274 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2023-12-16 17:40:54,275 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-12-16 17:40:54,275 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2023-12-16 17:40:54,275 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2023-12-16 17:40:54,275 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2023-12-16 17:40:54,275 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2023-12-16 17:40:54,275 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-12-16 17:40:54,276 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2023-12-16 17:40:54,276 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2023-12-16 17:40:54,276 INFO  L153        SettingsManager]:  * Trace refinement strategy=WOLF
[2023-12-16 17:40:54,276 INFO  L153        SettingsManager]:  * Command for external solver=cvc4 --incremental --print-success --lang smt
[2023-12-16 17:40:54,276 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2023-12-16 17:40:54,276 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2023-12-16 17:40:54,277 INFO  L153        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2023-12-16 17:40:54,277 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2023-12-16 17:40:54,277 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2023-12-16 17:40:54,277 INFO  L153        SettingsManager]:  * Logic for external solver=AUFBV
[2023-12-16 17:40:54,277 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
[2023-12-16 17:40:54,501 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2023-12-16 17:40:54,522 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-12-16 17:40:54,524 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-12-16 17:40:54,525 INFO  L270        PluginConnector]: Initializing CDTParser...
[2023-12-16 17:40:54,525 INFO  L274        PluginConnector]: CDTParser initialized
[2023-12-16 17:40:54,527 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product48.cil.c
[2023-12-16 17:40:55,701 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2023-12-16 17:40:55,915 INFO  L384              CDTParser]: Found 1 translation units.
[2023-12-16 17:40:55,916 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec3_product48.cil.c
[2023-12-16 17:40:55,927 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5293f63f6/9b5621cd60b34c5b88ac65fbd0091760/FLAG482b01614
[2023-12-16 17:40:55,939 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5293f63f6/9b5621cd60b34c5b88ac65fbd0091760
[2023-12-16 17:40:55,940 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-12-16 17:40:55,941 INFO  L133        ToolchainWalker]: Walking toolchain with 5 elements.
[2023-12-16 17:40:55,942 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-12-16 17:40:55,943 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-12-16 17:40:55,947 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2023-12-16 17:40:55,947 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 05:40:55" (1/1) ...
[2023-12-16 17:40:55,948 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f44da6d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:40:55, skipping insertion in model container
[2023-12-16 17:40:55,948 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 05:40:55" (1/1) ...
[2023-12-16 17:40:55,991 INFO  L177         MainTranslator]: Built tables and reachable declarations
[2023-12-16 17:40:56,117 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_product48.cil.c[1605,1618]
[2023-12-16 17:40:56,248 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-12-16 17:40:56,260 INFO  L199         MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution]
[2023-12-16 17:40:56,266 INFO  L177         MainTranslator]: Built tables and reachable declarations
[2023-12-16 17:40:56,269 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_product48.cil.c[1605,1618]
[2023-12-16 17:40:56,311 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-12-16 17:40:56,315 INFO  L202         MainTranslator]: Completed pre-run
[2023-12-16 17:40:56,324 WARN  L75    lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [49]
[2023-12-16 17:40:56,325 WARN  L75    lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [58]
[2023-12-16 17:40:56,325 WARN  L75    lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification3_spec.i","") [96]
[2023-12-16 17:40:56,325 WARN  L75    lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [133]
[2023-12-16 17:40:56,325 WARN  L75    lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [232]
[2023-12-16 17:40:56,325 WARN  L75    lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [456]
[2023-12-16 17:40:56,325 WARN  L75    lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [553]
[2023-12-16 17:40:56,326 WARN  L75    lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [622]
[2023-12-16 17:40:56,329 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_product48.cil.c[1605,1618]
[2023-12-16 17:40:56,378 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-12-16 17:40:56,397 INFO  L206         MainTranslator]: Completed translation
[2023-12-16 17:40:56,398 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:40:56 WrapperNode
[2023-12-16 17:40:56,400 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-12-16 17:40:56,401 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2023-12-16 17:40:56,401 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2023-12-16 17:40:56,401 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2023-12-16 17:40:56,407 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:40:56" (1/1) ...
[2023-12-16 17:40:56,426 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:40:56" (1/1) ...
[2023-12-16 17:40:56,451 INFO  L138                Inliner]: procedures = 58, calls = 103, calls flagged for inlining = 23, calls inlined = 20, statements flattened = 191
[2023-12-16 17:40:56,451 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2023-12-16 17:40:56,452 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2023-12-16 17:40:56,452 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2023-12-16 17:40:56,452 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2023-12-16 17:40:56,462 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:40:56" (1/1) ...
[2023-12-16 17:40:56,462 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:40:56" (1/1) ...
[2023-12-16 17:40:56,465 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:40:56" (1/1) ...
[2023-12-16 17:40:56,478 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 17:40:56,478 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:40:56" (1/1) ...
[2023-12-16 17:40:56,478 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:40:56" (1/1) ...
[2023-12-16 17:40:56,484 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:40:56" (1/1) ...
[2023-12-16 17:40:56,488 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:40:56" (1/1) ...
[2023-12-16 17:40:56,489 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:40:56" (1/1) ...
[2023-12-16 17:40:56,491 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:40:56" (1/1) ...
[2023-12-16 17:40:56,493 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2023-12-16 17:40:56,494 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2023-12-16 17:40:56,494 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2023-12-16 17:40:56,495 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2023-12-16 17:40:56,496 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:40:56" (1/1) ...
[2023-12-16 17:40:56,501 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2023-12-16 17:40:56,512 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2023-12-16 17:40:56,523 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 17:40:56,539 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 17:40:56,555 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2023-12-16 17:40:56,555 INFO  L130     BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base
[2023-12-16 17:40:56,556 INFO  L138     BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base
[2023-12-16 17:40:56,556 INFO  L130     BoogieDeclarations]: Found specification of procedure cleanup
[2023-12-16 17:40:56,556 INFO  L138     BoogieDeclarations]: Found implementation of procedure cleanup
[2023-12-16 17:40:56,556 INFO  L130     BoogieDeclarations]: Found specification of procedure timeShift
[2023-12-16 17:40:56,556 INFO  L138     BoogieDeclarations]: Found implementation of procedure timeShift
[2023-12-16 17:40:56,556 INFO  L130     BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical
[2023-12-16 17:40:56,556 INFO  L138     BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical
[2023-12-16 17:40:56,556 INFO  L130     BoogieDeclarations]: Found specification of procedure waterRise
[2023-12-16 17:40:56,556 INFO  L138     BoogieDeclarations]: Found implementation of procedure waterRise
[2023-12-16 17:40:56,557 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0
[2023-12-16 17:40:56,557 INFO  L130     BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery
[2023-12-16 17:40:56,557 INFO  L138     BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery
[2023-12-16 17:40:56,557 INFO  L130     BoogieDeclarations]: Found specification of procedure isMethaneAlarm
[2023-12-16 17:40:56,557 INFO  L138     BoogieDeclarations]: Found implementation of procedure isMethaneAlarm
[2023-12-16 17:40:56,557 INFO  L130     BoogieDeclarations]: Found specification of procedure deactivatePump
[2023-12-16 17:40:56,557 INFO  L138     BoogieDeclarations]: Found implementation of procedure deactivatePump
[2023-12-16 17:40:56,557 INFO  L130     BoogieDeclarations]: Found specification of procedure changeMethaneLevel
[2023-12-16 17:40:56,558 INFO  L138     BoogieDeclarations]: Found implementation of procedure changeMethaneLevel
[2023-12-16 17:40:56,558 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2023-12-16 17:40:56,558 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2023-12-16 17:40:56,638 INFO  L241             CfgBuilder]: Building ICFG
[2023-12-16 17:40:56,640 INFO  L267             CfgBuilder]: Building CFG for each procedure with an implementation
[2023-12-16 17:40:56,884 INFO  L282             CfgBuilder]: Performing block encoding
[2023-12-16 17:40:56,967 INFO  L304             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2023-12-16 17:40:56,967 INFO  L309             CfgBuilder]: Removed 2 assume(true) statements.
[2023-12-16 17:40:56,967 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 05:40:56 BoogieIcfgContainer
[2023-12-16 17:40:56,968 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2023-12-16 17:40:56,970 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2023-12-16 17:40:56,970 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2023-12-16 17:40:56,972 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2023-12-16 17:40:56,972 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.12 05:40:55" (1/3) ...
[2023-12-16 17:40:56,973 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21e6fef6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 05:40:56, skipping insertion in model container
[2023-12-16 17:40:56,973 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:40:56" (2/3) ...
[2023-12-16 17:40:56,973 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21e6fef6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 05:40:56, skipping insertion in model container
[2023-12-16 17:40:56,973 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 05:40:56" (3/3) ...
[2023-12-16 17:40:56,974 INFO  L112   eAbstractionObserver]: Analyzing ICFG minepump_spec3_product48.cil.c
[2023-12-16 17:40:56,988 INFO  L204   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2023-12-16 17:40:56,988 INFO  L163   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2023-12-16 17:40:57,031 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2023-12-16 17:40:57,036 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;@5ec55820, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2023-12-16 17:40:57,037 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2023-12-16 17:40:57,040 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 82 states, 55 states have (on average 1.509090909090909) internal successors, (83), 64 states have internal predecessors, (83), 16 states have call successors, (16), 9 states have call predecessors, (16), 9 states have return successors, (16), 13 states have call predecessors, (16), 16 states have call successors, (16)
[2023-12-16 17:40:57,048 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 18
[2023-12-16 17:40:57,048 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-16 17:40:57,049 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 17:40:57,049 INFO  L420      AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-16 17:40:57,056 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-16 17:40:57,057 INFO  L85        PathProgramCache]: Analyzing trace with hash -1631409798, now seen corresponding path program 1 times
[2023-12-16 17:40:57,066 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-12-16 17:40:57,067 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [291834751]
[2023-12-16 17:40:57,067 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-16 17:40:57,067 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 17:40:57,068 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2023-12-16 17:40:57,070 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 17:40:57,075 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 17:40:57,181 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-16 17:40:57,185 INFO  L262         TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 1 conjunts are in the unsatisfiable core
[2023-12-16 17:40:57,189 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-16 17:40:57,221 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 17:40:57,222 INFO  L323         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-12-16 17:40:57,222 INFO  L136   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2023-12-16 17:40:57,223 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [291834751]
[2023-12-16 17:40:57,223 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [291834751] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-16 17:40:57,224 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-12-16 17:40:57,224 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-12-16 17:40:57,225 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [914504902]
[2023-12-16 17:40:57,226 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-16 17:40:57,230 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2023-12-16 17:40:57,231 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2023-12-16 17:40:57,270 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2023-12-16 17:40:57,270 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2023-12-16 17:40:57,273 INFO  L87              Difference]: Start difference. First operand  has 82 states, 55 states have (on average 1.509090909090909) internal successors, (83), 64 states have internal predecessors, (83), 16 states have call successors, (16), 9 states have call predecessors, (16), 9 states have return successors, (16), 13 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), 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 17:40:57,349 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-16 17:40:57,350 INFO  L93              Difference]: Finished difference Result 162 states and 231 transitions.
[2023-12-16 17:40:57,351 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-12-16 17:40:57,353 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 17:40:57,354 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-16 17:40:57,363 INFO  L225             Difference]: With dead ends: 162
[2023-12-16 17:40:57,363 INFO  L226             Difference]: Without dead ends: 77
[2023-12-16 17:40:57,367 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 17:40:57,371 INFO  L413           NwaCegarLoop]: 94 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 94 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2023-12-16 17:40:57,372 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 94 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-12-16 17:40:57,386 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 77 states.
[2023-12-16 17:40:57,411 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77.
[2023-12-16 17:40:57,413 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 77 states, 52 states have (on average 1.4038461538461537) internal successors, (73), 60 states have internal predecessors, (73), 16 states have call successors, (16), 9 states have call predecessors, (16), 8 states have return successors, (15), 12 states have call predecessors, (15), 15 states have call successors, (15)
[2023-12-16 17:40:57,418 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 104 transitions.
[2023-12-16 17:40:57,420 INFO  L78                 Accepts]: Start accepts. Automaton has 77 states and 104 transitions. Word has length 17
[2023-12-16 17:40:57,421 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-16 17:40:57,421 INFO  L495      AbstractCegarLoop]: Abstraction has 77 states and 104 transitions.
[2023-12-16 17:40:57,421 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 17:40:57,421 INFO  L276                IsEmpty]: Start isEmpty. Operand 77 states and 104 transitions.
[2023-12-16 17:40:57,424 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 19
[2023-12-16 17:40:57,424 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-16 17:40:57,425 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 17:40:57,428 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 17:40:57,628 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 17:40:57,628 INFO  L420      AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-16 17:40:57,629 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-16 17:40:57,629 INFO  L85        PathProgramCache]: Analyzing trace with hash 1224735353, now seen corresponding path program 1 times
[2023-12-16 17:40:57,630 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-12-16 17:40:57,630 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1781621453]
[2023-12-16 17:40:57,630 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-16 17:40:57,631 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 17:40:57,631 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2023-12-16 17:40:57,700 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 17:40:57,701 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 17:40:57,754 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-16 17:40:57,755 INFO  L262         TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 2 conjunts are in the unsatisfiable core
[2023-12-16 17:40:57,756 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-16 17:40:57,775 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 17:40:57,775 INFO  L323         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-12-16 17:40:57,775 INFO  L136   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2023-12-16 17:40:57,776 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1781621453]
[2023-12-16 17:40:57,776 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [1781621453] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-16 17:40:57,776 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-12-16 17:40:57,776 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2023-12-16 17:40:57,776 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1333603202]
[2023-12-16 17:40:57,777 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-16 17:40:57,778 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-12-16 17:40:57,778 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2023-12-16 17:40:57,778 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-12-16 17:40:57,779 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-12-16 17:40:57,779 INFO  L87              Difference]: Start difference. First operand 77 states and 104 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 17:40:57,834 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-16 17:40:57,834 INFO  L93              Difference]: Finished difference Result 124 states and 166 transitions.
[2023-12-16 17:40:57,835 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-12-16 17:40:57,835 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 17:40:57,835 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-16 17:40:57,837 INFO  L225             Difference]: With dead ends: 124
[2023-12-16 17:40:57,837 INFO  L226             Difference]: Without dead ends: 69
[2023-12-16 17:40:57,841 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 17:40:57,842 INFO  L413           NwaCegarLoop]: 80 mSDtfsCounter, 14 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 144 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2023-12-16 17:40:57,843 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 144 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-12-16 17:40:57,846 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 69 states.
[2023-12-16 17:40:57,860 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 69.
[2023-12-16 17:40:57,861 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 69 states, 47 states have (on average 1.425531914893617) internal successors, (67), 55 states have internal predecessors, (67), 13 states have call successors, (13), 8 states have call predecessors, (13), 8 states have return successors, (13), 10 states have call predecessors, (13), 13 states have call successors, (13)
[2023-12-16 17:40:57,864 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 93 transitions.
[2023-12-16 17:40:57,864 INFO  L78                 Accepts]: Start accepts. Automaton has 69 states and 93 transitions. Word has length 18
[2023-12-16 17:40:57,864 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-16 17:40:57,865 INFO  L495      AbstractCegarLoop]: Abstraction has 69 states and 93 transitions.
[2023-12-16 17:40:57,865 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 17:40:57,865 INFO  L276                IsEmpty]: Start isEmpty. Operand 69 states and 93 transitions.
[2023-12-16 17:40:57,866 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 22
[2023-12-16 17:40:57,866 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-16 17:40:57,866 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 17:40:57,872 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 17:40:58,069 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 17:40:58,069 INFO  L420      AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-16 17:40:58,070 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-16 17:40:58,070 INFO  L85        PathProgramCache]: Analyzing trace with hash 1477886371, now seen corresponding path program 1 times
[2023-12-16 17:40:58,070 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-12-16 17:40:58,071 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1720708047]
[2023-12-16 17:40:58,071 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-16 17:40:58,071 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 17:40:58,071 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2023-12-16 17:40:58,072 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 17:40:58,075 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 17:40:58,116 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-16 17:40:58,117 INFO  L262         TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 2 conjunts are in the unsatisfiable core
[2023-12-16 17:40:58,118 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-16 17:40:58,136 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 17:40:58,136 INFO  L323         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-12-16 17:40:58,136 INFO  L136   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2023-12-16 17:40:58,139 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1720708047]
[2023-12-16 17:40:58,139 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [1720708047] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-16 17:40:58,139 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-12-16 17:40:58,139 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2023-12-16 17:40:58,140 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1496258351]
[2023-12-16 17:40:58,140 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-16 17:40:58,141 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-12-16 17:40:58,141 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2023-12-16 17:40:58,142 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-12-16 17:40:58,142 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-12-16 17:40:58,142 INFO  L87              Difference]: Start difference. First operand 69 states and 93 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 17:40:58,219 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-16 17:40:58,220 INFO  L93              Difference]: Finished difference Result 203 states and 276 transitions.
[2023-12-16 17:40:58,220 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-12-16 17:40:58,220 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 17:40:58,220 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-16 17:40:58,222 INFO  L225             Difference]: With dead ends: 203
[2023-12-16 17:40:58,222 INFO  L226             Difference]: Without dead ends: 136
[2023-12-16 17:40:58,223 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 17:40:58,223 INFO  L413           NwaCegarLoop]: 93 mSDtfsCounter, 87 mSDsluCounter, 78 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 171 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2023-12-16 17:40:58,224 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 171 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-12-16 17:40:58,225 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 136 states.
[2023-12-16 17:40:58,249 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 133.
[2023-12-16 17:40:58,251 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 133 states, 90 states have (on average 1.4333333333333333) internal successors, (129), 105 states have internal predecessors, (129), 26 states have call successors, (26), 16 states have call predecessors, (26), 16 states have return successors, (26), 19 states have call predecessors, (26), 26 states have call successors, (26)
[2023-12-16 17:40:58,252 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 181 transitions.
[2023-12-16 17:40:58,252 INFO  L78                 Accepts]: Start accepts. Automaton has 133 states and 181 transitions. Word has length 21
[2023-12-16 17:40:58,253 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-16 17:40:58,253 INFO  L495      AbstractCegarLoop]: Abstraction has 133 states and 181 transitions.
[2023-12-16 17:40:58,253 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 17:40:58,253 INFO  L276                IsEmpty]: Start isEmpty. Operand 133 states and 181 transitions.
[2023-12-16 17:40:58,259 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 25
[2023-12-16 17:40:58,259 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-16 17:40:58,259 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 17:40:58,267 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 17:40:58,462 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 17:40:58,463 INFO  L420      AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-16 17:40:58,463 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-16 17:40:58,464 INFO  L85        PathProgramCache]: Analyzing trace with hash 1151539184, now seen corresponding path program 1 times
[2023-12-16 17:40:58,464 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-12-16 17:40:58,464 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [979261954]
[2023-12-16 17:40:58,464 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-16 17:40:58,464 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 17:40:58,465 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2023-12-16 17:40:58,470 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 17:40:58,490 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 17:40:58,525 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-16 17:40:58,526 INFO  L262         TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 6 conjunts are in the unsatisfiable core
[2023-12-16 17:40:58,529 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-16 17:40:58,602 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 17:40:58,602 INFO  L323         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-12-16 17:40:58,602 INFO  L136   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2023-12-16 17:40:58,604 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [979261954]
[2023-12-16 17:40:58,604 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [979261954] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-16 17:40:58,604 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-12-16 17:40:58,604 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2023-12-16 17:40:58,605 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [429867955]
[2023-12-16 17:40:58,605 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-16 17:40:58,607 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2023-12-16 17:40:58,607 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2023-12-16 17:40:58,608 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2023-12-16 17:40:58,608 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2023-12-16 17:40:58,608 INFO  L87              Difference]: Start difference. First operand 133 states and 181 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 17:40:58,700 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-16 17:40:58,700 INFO  L93              Difference]: Finished difference Result 387 states and 542 transitions.
[2023-12-16 17:40:58,701 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2023-12-16 17:40:58,701 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 17:40:58,701 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-16 17:40:58,708 INFO  L225             Difference]: With dead ends: 387
[2023-12-16 17:40:58,708 INFO  L226             Difference]: Without dead ends: 256
[2023-12-16 17:40:58,709 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 17:40:58,710 INFO  L413           NwaCegarLoop]: 76 mSDtfsCounter, 62 mSDsluCounter, 149 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 225 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2023-12-16 17:40:58,710 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 225 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2023-12-16 17:40:58,713 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 256 states.
[2023-12-16 17:40:58,740 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 256 to 254.
[2023-12-16 17:40:58,741 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 254 states, 171 states have (on average 1.3976608187134503) internal successors, (239), 198 states have internal predecessors, (239), 52 states have call successors, (52), 32 states have call predecessors, (52), 30 states have return successors, (54), 36 states have call predecessors, (54), 52 states have call successors, (54)
[2023-12-16 17:40:58,743 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 254 states and 345 transitions.
[2023-12-16 17:40:58,743 INFO  L78                 Accepts]: Start accepts. Automaton has 254 states and 345 transitions. Word has length 24
[2023-12-16 17:40:58,743 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-16 17:40:58,743 INFO  L495      AbstractCegarLoop]: Abstraction has 254 states and 345 transitions.
[2023-12-16 17:40:58,743 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 17:40:58,743 INFO  L276                IsEmpty]: Start isEmpty. Operand 254 states and 345 transitions.
[2023-12-16 17:40:58,745 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 29
[2023-12-16 17:40:58,745 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-16 17:40:58,745 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 17:40:58,748 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 (5)] Forceful destruction successful, exit code 0
[2023-12-16 17:40:58,947 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 17:40:58,947 INFO  L420      AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-16 17:40:58,948 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-16 17:40:58,948 INFO  L85        PathProgramCache]: Analyzing trace with hash 284982486, now seen corresponding path program 1 times
[2023-12-16 17:40:58,948 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-12-16 17:40:58,948 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [363197874]
[2023-12-16 17:40:58,948 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-16 17:40:58,948 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 17:40:58,949 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2023-12-16 17:40:58,979 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 17:40:58,980 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 17:40:59,019 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-12-16 17:40:59,019 INFO  L356             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2023-12-16 17:40:59,038 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-12-16 17:40:59,063 INFO  L130   FreeRefinementEngine]: Strategy WOLF found a feasible trace
[2023-12-16 17:40:59,063 INFO  L360         BasicCegarLoop]: Counterexample is feasible
[2023-12-16 17:40:59,064 INFO  L805   garLoopResultBuilder]: Registering result UNSAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining)
[2023-12-16 17:40:59,076 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 17:40:59,269 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 17:40:59,271 INFO  L445         BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1]
[2023-12-16 17:40:59,275 INFO  L179   ceAbstractionStarter]: Computing trace abstraction results
[2023-12-16 17:40:59,316 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.12 05:40:59 BoogieIcfgContainer
[2023-12-16 17:40:59,316 INFO  L131        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2023-12-16 17:40:59,317 INFO  L158              Benchmark]: Toolchain (without parser) took 3375.50ms. Allocated memory was 183.5MB in the beginning and 268.4MB in the end (delta: 84.9MB). Free memory was 125.4MB in the beginning and 120.8MB in the end (delta: 4.6MB). Peak memory consumption was 90.5MB. Max. memory is 8.0GB.
[2023-12-16 17:40:59,318 INFO  L158              Benchmark]: CDTParser took 0.18ms. Allocated memory is still 183.5MB. Free memory is still 137.7MB. There was no memory consumed. Max. memory is 8.0GB.
[2023-12-16 17:40:59,318 INFO  L158              Benchmark]: CACSL2BoogieTranslator took 457.82ms. Allocated memory is still 183.5MB. Free memory was 125.0MB in the beginning and 99.1MB in the end (delta: 25.9MB). Peak memory consumption was 25.2MB. Max. memory is 8.0GB.
[2023-12-16 17:40:59,319 INFO  L158              Benchmark]: Boogie Procedure Inliner took 50.31ms. Allocated memory is still 183.5MB. Free memory was 98.8MB in the beginning and 96.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB.
[2023-12-16 17:40:59,319 INFO  L158              Benchmark]: Boogie Preprocessor took 41.61ms. Allocated memory is still 183.5MB. Free memory was 96.7MB in the beginning and 94.3MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB.
[2023-12-16 17:40:59,320 INFO  L158              Benchmark]: RCFGBuilder took 473.35ms. Allocated memory was 183.5MB in the beginning and 268.4MB in the end (delta: 84.9MB). Free memory was 94.3MB in the beginning and 214.1MB in the end (delta: -119.9MB). Peak memory consumption was 10.8MB. Max. memory is 8.0GB.
[2023-12-16 17:40:59,320 INFO  L158              Benchmark]: TraceAbstraction took 2346.91ms. Allocated memory is still 268.4MB. Free memory was 213.6MB in the beginning and 120.8MB in the end (delta: 92.8MB). Peak memory consumption was 92.3MB. Max. memory is 8.0GB.
[2023-12-16 17:40:59,322 INFO  L338   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.18ms. Allocated memory is still 183.5MB. Free memory is still 137.7MB. There was no memory consumed. Max. memory is 8.0GB.
 * CACSL2BoogieTranslator took 457.82ms. Allocated memory is still 183.5MB. Free memory was 125.0MB in the beginning and 99.1MB in the end (delta: 25.9MB). Peak memory consumption was 25.2MB. Max. memory is 8.0GB.
 * Boogie Procedure Inliner took 50.31ms. Allocated memory is still 183.5MB. Free memory was 98.8MB in the beginning and 96.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB.
 * Boogie Preprocessor took 41.61ms. Allocated memory is still 183.5MB. Free memory was 96.7MB in the beginning and 94.3MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB.
 * RCFGBuilder took 473.35ms. Allocated memory was 183.5MB in the beginning and 268.4MB in the end (delta: 84.9MB). Free memory was 94.3MB in the beginning and 214.1MB in the end (delta: -119.9MB). Peak memory consumption was 10.8MB. Max. memory is 8.0GB.
 * TraceAbstraction took 2346.91ms. Allocated memory is still 268.4MB. Free memory was 213.6MB in the beginning and 120.8MB in the end (delta: 92.8MB). Peak memory consumption was 92.3MB. 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,"wsllib_check.i","") [49]
  - GenericResultAtLocation [Line: 58]: Unsoundness Warning
    Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [58]
  - GenericResultAtLocation [Line: 96]: Unsoundness Warning
    Ignoring preprocessor pragma C: #pragma merger(0,"Specification3_spec.i","") [96]
  - GenericResultAtLocation [Line: 133]: Unsoundness Warning
    Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [133]
  - GenericResultAtLocation [Line: 232]: Unsoundness Warning
    Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [232]
  - GenericResultAtLocation [Line: 456]: Unsoundness Warning
    Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [456]
  - GenericResultAtLocation [Line: 553]: Unsoundness Warning
    Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [553]
  - GenericResultAtLocation [Line: 622]: Unsoundness Warning
    Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [622]
 * 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: 54]: a call to reach_error is reachable
    a call to reach_error is reachable
We found a FailurePath: 
[L139]              int waterLevel  =    1;
[L140]              int methaneLevelCritical  =    0;
[L239]              int pumpRunning  =    0;
[L240]              int systemActive  =    1;
[L457]              int cleanupTimeShifts  =    4;
[L792]              static struct __ACC__ERR *head  =    (struct __ACC__ERR *)0;
[L531]              int retValue_acc ;
[L532]              int tmp ;
[L536]  FCALL       select_helpers()
[L537]  FCALL       select_features()
[L538]  CALL, EXPR  valid_product()
[L88]               int retValue_acc ;
[L91]               retValue_acc = 1
[L92]               return (retValue_acc);
[L538]  RET, EXPR   valid_product()
[L538]              tmp = valid_product()
[L540]  COND TRUE   \read(tmp)
[L542]  FCALL       setup()
[L543]  CALL        runTest()
[L525]  CALL        test()
[L555]              int splverifierCounter ;
[L556]              int tmp ;
[L557]              int tmp___0 ;
[L558]              int tmp___1 ;
[L559]              int tmp___2 ;
[L562]              splverifierCounter = 0
        VAL         [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1]
[L564]  COND TRUE   1
        VAL         [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1]
[L566]  COND TRUE   splverifierCounter < 4
[L572]              tmp = __VERIFIER_nondet_int()
[L574]  COND TRUE   \read(tmp)
        VAL         [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=2, waterLevel=1]
[L576]  CALL        waterRise()
        VAL         [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L157]  COND TRUE   waterLevel < 2
[L158]              waterLevel = waterLevel + 1
        VAL         [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L576]  RET         waterRise()
        VAL         [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=2, waterLevel=2]
[L582]              tmp___0 = __VERIFIER_nondet_int()
[L584]  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]
[L592]              tmp___2 = __VERIFIER_nondet_int()
[L594]  COND FALSE  !(\read(tmp___2))
[L600]              tmp___1 = __VERIFIER_nondet_int()
[L602]  COND TRUE   \read(tmp___1)
[L604]  CALL        stopSystem()
[L437]  COND FALSE  !(\read(pumpRunning))
        VAL         [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L444]              systemActive = 0
[L604]  RET         stopSystem()
[L611]  CALL        timeShift()
        VAL         [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2]
[L246]  COND FALSE  !(\read(pumpRunning))
        VAL         [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2]
[L253]  COND FALSE  !(\read(systemActive))
        VAL         [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2]
[L261]  CALL        __utac_acc__Specification3_spec__1()
[L101]              int tmp ;
[L102]              int tmp___0 ;
[L103]              int tmp___1 ;
        VAL         [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2]
[L107]  CALL, EXPR  isMethaneLevelCritical()
        VAL         [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2]
[L178]              int retValue_acc ;
[L181]              retValue_acc = methaneLevelCritical
[L182]              return (retValue_acc);
[L107]  RET, EXPR   isMethaneLevelCritical()
        VAL         [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2]
[L107]              tmp = isMethaneLevelCritical()
[L109]  COND FALSE  !(\read(tmp))
[L113]  CALL, EXPR  getWaterLevel()
[L210]              int retValue_acc ;
[L213]              retValue_acc = waterLevel
[L214]              return (retValue_acc);
[L113]  RET, EXPR   getWaterLevel()
[L113]              tmp___0 = getWaterLevel()
[L115]  COND TRUE   tmp___0 == 2
[L117]  CALL, EXPR  isPumpRunning()
[L370]              int retValue_acc ;
[L373]              retValue_acc = pumpRunning
[L374]              return (retValue_acc);
[L117]  RET, EXPR   isPumpRunning()
[L117]              tmp___1 = isPumpRunning()
[L119]  COND FALSE  !(\read(tmp___1))
[L123]  CALL        __automaton_fail()
[L54]               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, 82 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.3s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 167 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 163 mSDsluCounter, 634 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 291 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 122 IncrementalHoareTripleChecker+Invalid, 126 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 343 mSDtfsCounter, 122 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=254occurred 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, 0.2s 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 17:40:59,347 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...