/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_product06.cil.c


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


This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m
[2023-12-16 17:40:27,116 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2023-12-16 17:40:27,170 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 17:40:27,178 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2023-12-16 17:40:27,178 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2023-12-16 17:40:27,212 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2023-12-16 17:40:27,212 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2023-12-16 17:40:27,213 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2023-12-16 17:40:27,213 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2023-12-16 17:40:27,216 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2023-12-16 17:40:27,216 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2023-12-16 17:40:27,217 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2023-12-16 17:40:27,217 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2023-12-16 17:40:27,218 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2023-12-16 17:40:27,218 INFO  L153        SettingsManager]:  * Use SBE=true
[2023-12-16 17:40:27,219 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-12-16 17:40:27,219 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2023-12-16 17:40:27,219 INFO  L153        SettingsManager]:  * sizeof long=4
[2023-12-16 17:40:27,219 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2023-12-16 17:40:27,220 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2023-12-16 17:40:27,220 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2023-12-16 17:40:27,220 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2023-12-16 17:40:27,221 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2023-12-16 17:40:27,221 INFO  L153        SettingsManager]:  * Adapt memory model on pointer casts if necessary=true
[2023-12-16 17:40:27,221 INFO  L153        SettingsManager]:  * Use bitvectors instead of ints=true
[2023-12-16 17:40:27,221 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2023-12-16 17:40:27,221 INFO  L153        SettingsManager]:  * Memory model=HoenickeLindenmann_4ByteResolution
[2023-12-16 17:40:27,221 INFO  L153        SettingsManager]:  * sizeof long double=12
[2023-12-16 17:40:27,221 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2023-12-16 17:40:27,222 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2023-12-16 17:40:27,222 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-12-16 17:40:27,223 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2023-12-16 17:40:27,223 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2023-12-16 17:40:27,223 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2023-12-16 17:40:27,223 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2023-12-16 17:40:27,223 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-12-16 17:40:27,223 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2023-12-16 17:40:27,223 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2023-12-16 17:40:27,223 INFO  L153        SettingsManager]:  * Trace refinement strategy=WOLF
[2023-12-16 17:40:27,223 INFO  L153        SettingsManager]:  * Command for external solver=cvc4 --incremental --print-success --lang smt
[2023-12-16 17:40:27,224 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2023-12-16 17:40:27,224 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2023-12-16 17:40:27,224 INFO  L153        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2023-12-16 17:40:27,225 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2023-12-16 17:40:27,225 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2023-12-16 17:40:27,225 INFO  L153        SettingsManager]:  * Logic for external solver=AUFBV
[2023-12-16 17:40:27,225 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
[2023-12-16 17:40:27,417 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2023-12-16 17:40:27,436 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-12-16 17:40:27,438 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-12-16 17:40:27,439 INFO  L270        PluginConnector]: Initializing CDTParser...
[2023-12-16 17:40:27,439 INFO  L274        PluginConnector]: CDTParser initialized
[2023-12-16 17:40:27,440 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product06.cil.c
[2023-12-16 17:40:28,465 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2023-12-16 17:40:28,788 INFO  L384              CDTParser]: Found 1 translation units.
[2023-12-16 17:40:28,788 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec3_product06.cil.c
[2023-12-16 17:40:28,817 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/32a1f64ec/bc0f92f0f850440daa567a98d8d2d32f/FLAG37cf9b758
[2023-12-16 17:40:28,831 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/32a1f64ec/bc0f92f0f850440daa567a98d8d2d32f
[2023-12-16 17:40:28,832 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-12-16 17:40:28,833 INFO  L133        ToolchainWalker]: Walking toolchain with 5 elements.
[2023-12-16 17:40:28,835 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-12-16 17:40:28,835 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-12-16 17:40:28,838 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2023-12-16 17:40:28,839 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 05:40:28" (1/1) ...
[2023-12-16 17:40:28,839 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@671496d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:40:28, skipping insertion in model container
[2023-12-16 17:40:28,840 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 05:40:28" (1/1) ...
[2023-12-16 17:40:28,881 INFO  L177         MainTranslator]: Built tables and reachable declarations
[2023-12-16 17:40:29,002 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_product06.cil.c[1605,1618]
[2023-12-16 17:40:29,115 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-12-16 17:40:29,125 INFO  L199         MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution]
[2023-12-16 17:40:29,138 INFO  L177         MainTranslator]: Built tables and reachable declarations
[2023-12-16 17:40:29,142 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_product06.cil.c[1605,1618]
[2023-12-16 17:40:29,180 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-12-16 17:40:29,185 INFO  L202         MainTranslator]: Completed pre-run
[2023-12-16 17:40:29,191 WARN  L75    lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [49]
[2023-12-16 17:40:29,192 WARN  L75    lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [58]
[2023-12-16 17:40:29,193 WARN  L75    lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [96]
[2023-12-16 17:40:29,193 WARN  L75    lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [247]
[2023-12-16 17:40:29,193 WARN  L75    lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [317]
[2023-12-16 17:40:29,193 WARN  L75    lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [398]
[2023-12-16 17:40:29,193 WARN  L75    lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [494]
[2023-12-16 17:40:29,193 WARN  L75    lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification3_spec.i","") [860]
[2023-12-16 17:40:29,195 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_product06.cil.c[1605,1618]
[2023-12-16 17:40:29,233 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-12-16 17:40:29,248 INFO  L206         MainTranslator]: Completed translation
[2023-12-16 17:40:29,248 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:40:29 WrapperNode
[2023-12-16 17:40:29,248 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-12-16 17:40:29,249 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2023-12-16 17:40:29,249 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2023-12-16 17:40:29,249 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2023-12-16 17:40:29,254 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:40:29" (1/1) ...
[2023-12-16 17:40:29,277 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:40:29" (1/1) ...
[2023-12-16 17:40:29,297 INFO  L138                Inliner]: procedures = 53, calls = 94, calls flagged for inlining = 20, calls inlined = 17, statements flattened = 153
[2023-12-16 17:40:29,298 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2023-12-16 17:40:29,298 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2023-12-16 17:40:29,298 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2023-12-16 17:40:29,299 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2023-12-16 17:40:29,306 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:40:29" (1/1) ...
[2023-12-16 17:40:29,306 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:40:29" (1/1) ...
[2023-12-16 17:40:29,315 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:40:29" (1/1) ...
[2023-12-16 17:40:29,336 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 17:40:29,336 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:40:29" (1/1) ...
[2023-12-16 17:40:29,336 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:40:29" (1/1) ...
[2023-12-16 17:40:29,344 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:40:29" (1/1) ...
[2023-12-16 17:40:29,346 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:40:29" (1/1) ...
[2023-12-16 17:40:29,347 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:40:29" (1/1) ...
[2023-12-16 17:40:29,348 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:40:29" (1/1) ...
[2023-12-16 17:40:29,349 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2023-12-16 17:40:29,350 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2023-12-16 17:40:29,350 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2023-12-16 17:40:29,350 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2023-12-16 17:40:29,350 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:40:29" (1/1) ...
[2023-12-16 17:40:29,371 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2023-12-16 17:40:29,382 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2023-12-16 17:40:29,409 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 17:40:29,430 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 17:40:29,445 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2023-12-16 17:40:29,445 INFO  L130     BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base
[2023-12-16 17:40:29,445 INFO  L138     BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base
[2023-12-16 17:40:29,445 INFO  L130     BoogieDeclarations]: Found specification of procedure cleanup
[2023-12-16 17:40:29,446 INFO  L138     BoogieDeclarations]: Found implementation of procedure cleanup
[2023-12-16 17:40:29,446 INFO  L130     BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical
[2023-12-16 17:40:29,446 INFO  L138     BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical
[2023-12-16 17:40:29,446 INFO  L130     BoogieDeclarations]: Found specification of procedure timeShift
[2023-12-16 17:40:29,446 INFO  L138     BoogieDeclarations]: Found implementation of procedure timeShift
[2023-12-16 17:40:29,446 INFO  L130     BoogieDeclarations]: Found specification of procedure waterRise
[2023-12-16 17:40:29,446 INFO  L138     BoogieDeclarations]: Found implementation of procedure waterRise
[2023-12-16 17:40:29,446 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0
[2023-12-16 17:40:29,446 INFO  L130     BoogieDeclarations]: Found specification of procedure changeMethaneLevel
[2023-12-16 17:40:29,446 INFO  L138     BoogieDeclarations]: Found implementation of procedure changeMethaneLevel
[2023-12-16 17:40:29,446 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2023-12-16 17:40:29,446 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2023-12-16 17:40:29,503 INFO  L241             CfgBuilder]: Building ICFG
[2023-12-16 17:40:29,504 INFO  L267             CfgBuilder]: Building CFG for each procedure with an implementation
[2023-12-16 17:40:29,684 INFO  L282             CfgBuilder]: Performing block encoding
[2023-12-16 17:40:29,844 INFO  L304             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2023-12-16 17:40:29,845 INFO  L309             CfgBuilder]: Removed 2 assume(true) statements.
[2023-12-16 17:40:29,845 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 05:40:29 BoogieIcfgContainer
[2023-12-16 17:40:29,845 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2023-12-16 17:40:29,847 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2023-12-16 17:40:29,848 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2023-12-16 17:40:29,850 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2023-12-16 17:40:29,850 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.12 05:40:28" (1/3) ...
[2023-12-16 17:40:29,850 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@686f60e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 05:40:29, skipping insertion in model container
[2023-12-16 17:40:29,850 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:40:29" (2/3) ...
[2023-12-16 17:40:29,851 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@686f60e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 05:40:29, skipping insertion in model container
[2023-12-16 17:40:29,851 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 05:40:29" (3/3) ...
[2023-12-16 17:40:29,852 INFO  L112   eAbstractionObserver]: Analyzing ICFG minepump_spec3_product06.cil.c
[2023-12-16 17:40:29,863 INFO  L204   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2023-12-16 17:40:29,863 INFO  L163   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2023-12-16 17:40:29,893 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2023-12-16 17:40:29,898 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;@5bff4f6e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2023-12-16 17:40:29,898 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2023-12-16 17:40:29,901 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 57 states, 39 states have (on average 1.564102564102564) internal successors, (61), 45 states have internal predecessors, (61), 10 states have call successors, (10), 6 states have call predecessors, (10), 6 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10)
[2023-12-16 17:40:29,909 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 18
[2023-12-16 17:40:29,910 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-16 17:40:29,910 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 17:40:29,911 INFO  L420      AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-16 17:40:29,914 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-16 17:40:29,915 INFO  L85        PathProgramCache]: Analyzing trace with hash -976327842, now seen corresponding path program 1 times
[2023-12-16 17:40:29,922 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-12-16 17:40:29,923 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [125293293]
[2023-12-16 17:40:29,923 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-16 17:40:29,923 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 17:40:29,923 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2023-12-16 17:40:29,925 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 17:40:29,926 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 17:40:29,975 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-16 17:40:29,977 INFO  L262         TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 1 conjunts are in the unsatisfiable core
[2023-12-16 17:40:29,980 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-16 17:40:29,995 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 17:40:29,995 INFO  L323         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-12-16 17:40:29,996 INFO  L136   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2023-12-16 17:40:29,996 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [125293293]
[2023-12-16 17:40:29,996 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [125293293] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-16 17:40:29,996 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-12-16 17:40:29,996 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-12-16 17:40:29,997 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1855561595]
[2023-12-16 17:40:29,998 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-16 17:40:30,001 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2023-12-16 17:40:30,001 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2023-12-16 17:40:30,018 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2023-12-16 17:40:30,019 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2023-12-16 17:40:30,020 INFO  L87              Difference]: Start difference. First operand  has 57 states, 39 states have (on average 1.564102564102564) internal successors, (61), 45 states have internal predecessors, (61), 10 states have call successors, (10), 6 states have call predecessors, (10), 6 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) 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 17:40:30,057 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-16 17:40:30,057 INFO  L93              Difference]: Finished difference Result 112 states and 163 transitions.
[2023-12-16 17:40:30,058 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-12-16 17:40:30,059 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 17:40:30,059 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-16 17:40:30,064 INFO  L225             Difference]: With dead ends: 112
[2023-12-16 17:40:30,064 INFO  L226             Difference]: Without dead ends: 52
[2023-12-16 17:40:30,066 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 17:40:30,068 INFO  L413           NwaCegarLoop]: 63 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 63 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2023-12-16 17:40:30,068 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 63 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-12-16 17:40:30,078 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 52 states.
[2023-12-16 17:40:30,090 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52.
[2023-12-16 17:40:30,093 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 52 states, 36 states have (on average 1.4166666666666667) internal successors, (51), 41 states have internal predecessors, (51), 10 states have call successors, (10), 6 states have call predecessors, (10), 5 states have return successors, (9), 8 states have call predecessors, (9), 9 states have call successors, (9)
[2023-12-16 17:40:30,094 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 70 transitions.
[2023-12-16 17:40:30,095 INFO  L78                 Accepts]: Start accepts. Automaton has 52 states and 70 transitions. Word has length 17
[2023-12-16 17:40:30,095 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-16 17:40:30,096 INFO  L495      AbstractCegarLoop]: Abstraction has 52 states and 70 transitions.
[2023-12-16 17:40:30,096 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 17:40:30,096 INFO  L276                IsEmpty]: Start isEmpty. Operand 52 states and 70 transitions.
[2023-12-16 17:40:30,097 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 19
[2023-12-16 17:40:30,097 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-16 17:40:30,097 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 17:40:30,124 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 (2)] Forceful destruction successful, exit code 0
[2023-12-16 17:40:30,302 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 17:40:30,303 INFO  L420      AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-16 17:40:30,303 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-16 17:40:30,304 INFO  L85        PathProgramCache]: Analyzing trace with hash 13399360, now seen corresponding path program 1 times
[2023-12-16 17:40:30,304 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-12-16 17:40:30,304 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [832123265]
[2023-12-16 17:40:30,305 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-16 17:40:30,305 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 17:40:30,305 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2023-12-16 17:40:30,308 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 17:40:30,347 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 17:40:30,364 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-16 17:40:30,365 INFO  L262         TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 2 conjunts are in the unsatisfiable core
[2023-12-16 17:40:30,367 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-16 17:40:30,389 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 17:40:30,390 INFO  L323         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-12-16 17:40:30,390 INFO  L136   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2023-12-16 17:40:30,393 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [832123265]
[2023-12-16 17:40:30,394 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [832123265] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-16 17:40:30,394 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-12-16 17:40:30,394 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2023-12-16 17:40:30,394 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [691626947]
[2023-12-16 17:40:30,394 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-16 17:40:30,396 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-12-16 17:40:30,397 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2023-12-16 17:40:30,397 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-12-16 17:40:30,397 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-12-16 17:40:30,398 INFO  L87              Difference]: Start difference. First operand 52 states and 70 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 17:40:30,427 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-16 17:40:30,427 INFO  L93              Difference]: Finished difference Result 77 states and 103 transitions.
[2023-12-16 17:40:30,427 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-12-16 17:40:30,427 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 17:40:30,428 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-16 17:40:30,429 INFO  L225             Difference]: With dead ends: 77
[2023-12-16 17:40:30,430 INFO  L226             Difference]: Without dead ends: 44
[2023-12-16 17:40:30,430 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 17:40:30,431 INFO  L413           NwaCegarLoop]: 49 mSDtfsCounter, 11 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 85 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2023-12-16 17:40:30,431 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 85 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-12-16 17:40:30,433 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 44 states.
[2023-12-16 17:40:30,441 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44.
[2023-12-16 17:40:30,441 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 44 states, 31 states have (on average 1.4516129032258065) internal successors, (45), 36 states have internal predecessors, (45), 7 states have call successors, (7), 5 states have call predecessors, (7), 5 states have return successors, (7), 6 states have call predecessors, (7), 7 states have call successors, (7)
[2023-12-16 17:40:30,448 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 59 transitions.
[2023-12-16 17:40:30,448 INFO  L78                 Accepts]: Start accepts. Automaton has 44 states and 59 transitions. Word has length 18
[2023-12-16 17:40:30,449 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-16 17:40:30,449 INFO  L495      AbstractCegarLoop]: Abstraction has 44 states and 59 transitions.
[2023-12-16 17:40:30,449 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 17:40:30,449 INFO  L276                IsEmpty]: Start isEmpty. Operand 44 states and 59 transitions.
[2023-12-16 17:40:30,451 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 22
[2023-12-16 17:40:30,452 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-16 17:40:30,453 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 17:40:30,460 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 17:40:30,658 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 17:40:30,658 INFO  L420      AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-16 17:40:30,659 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-16 17:40:30,659 INFO  L85        PathProgramCache]: Analyzing trace with hash -736354989, now seen corresponding path program 1 times
[2023-12-16 17:40:30,659 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-12-16 17:40:30,659 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1047903614]
[2023-12-16 17:40:30,659 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-16 17:40:30,659 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 17:40:30,659 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2023-12-16 17:40:30,672 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 17:40:30,674 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 17:40:30,734 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-16 17:40:30,736 INFO  L262         TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 2 conjunts are in the unsatisfiable core
[2023-12-16 17:40:30,742 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-16 17:40:30,766 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 17:40:30,766 INFO  L323         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-12-16 17:40:30,768 INFO  L136   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2023-12-16 17:40:30,768 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1047903614]
[2023-12-16 17:40:30,770 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [1047903614] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-16 17:40:30,770 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-12-16 17:40:30,770 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2023-12-16 17:40:30,770 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1340289635]
[2023-12-16 17:40:30,770 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-16 17:40:30,771 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-12-16 17:40:30,771 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2023-12-16 17:40:30,771 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-12-16 17:40:30,772 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-12-16 17:40:30,772 INFO  L87              Difference]: Start difference. First operand 44 states and 59 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 17:40:30,839 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-16 17:40:30,839 INFO  L93              Difference]: Finished difference Result 86 states and 117 transitions.
[2023-12-16 17:40:30,840 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-12-16 17:40:30,840 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 17:40:30,840 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-16 17:40:30,841 INFO  L225             Difference]: With dead ends: 86
[2023-12-16 17:40:30,841 INFO  L226             Difference]: Without dead ends: 44
[2023-12-16 17:40:30,842 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 17:40:30,844 INFO  L413           NwaCegarLoop]: 47 mSDtfsCounter, 54 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 47 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2023-12-16 17:40:30,845 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 47 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-12-16 17:40:30,846 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 44 states.
[2023-12-16 17:40:30,856 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44.
[2023-12-16 17:40:30,856 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 44 states, 31 states have (on average 1.4193548387096775) internal successors, (44), 36 states have internal predecessors, (44), 7 states have call successors, (7), 5 states have call predecessors, (7), 5 states have return successors, (7), 6 states have call predecessors, (7), 7 states have call successors, (7)
[2023-12-16 17:40:30,858 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 58 transitions.
[2023-12-16 17:40:30,858 INFO  L78                 Accepts]: Start accepts. Automaton has 44 states and 58 transitions. Word has length 21
[2023-12-16 17:40:30,858 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-16 17:40:30,858 INFO  L495      AbstractCegarLoop]: Abstraction has 44 states and 58 transitions.
[2023-12-16 17:40:30,858 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 17:40:30,858 INFO  L276                IsEmpty]: Start isEmpty. Operand 44 states and 58 transitions.
[2023-12-16 17:40:30,859 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 27
[2023-12-16 17:40:30,860 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-16 17:40:30,860 INFO  L195           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-12-16 17:40:30,864 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 (4)] Ended with exit code 0
[2023-12-16 17:40:31,062 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 17:40:31,062 INFO  L420      AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-16 17:40:31,063 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-16 17:40:31,063 INFO  L85        PathProgramCache]: Analyzing trace with hash -815624226, now seen corresponding path program 1 times
[2023-12-16 17:40:31,063 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-12-16 17:40:31,063 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [995187308]
[2023-12-16 17:40:31,063 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-16 17:40:31,064 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 17:40:31,064 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2023-12-16 17:40:31,065 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 17:40:31,069 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 17:40:31,097 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-16 17:40:31,098 INFO  L262         TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 6 conjunts are in the unsatisfiable core
[2023-12-16 17:40:31,100 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-16 17:40:31,143 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 17:40:31,143 INFO  L323         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-12-16 17:40:31,144 INFO  L136   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2023-12-16 17:40:31,144 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [995187308]
[2023-12-16 17:40:31,144 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [995187308] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-16 17:40:31,144 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-12-16 17:40:31,144 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2023-12-16 17:40:31,144 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1552917532]
[2023-12-16 17:40:31,144 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-16 17:40:31,144 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2023-12-16 17:40:31,144 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2023-12-16 17:40:31,145 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2023-12-16 17:40:31,145 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2023-12-16 17:40:31,145 INFO  L87              Difference]: Start difference. First operand 44 states and 58 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, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2023-12-16 17:40:31,189 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-16 17:40:31,189 INFO  L93              Difference]: Finished difference Result 123 states and 169 transitions.
[2023-12-16 17:40:31,190 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2023-12-16 17:40:31,190 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, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 26
[2023-12-16 17:40:31,190 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-16 17:40:31,191 INFO  L225             Difference]: With dead ends: 123
[2023-12-16 17:40:31,191 INFO  L226             Difference]: Without dead ends: 81
[2023-12-16 17:40:31,191 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 23 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 17:40:31,192 INFO  L413           NwaCegarLoop]: 45 mSDtfsCounter, 26 mSDsluCounter, 88 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 133 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2023-12-16 17:40:31,192 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 133 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-12-16 17:40:31,192 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 81 states.
[2023-12-16 17:40:31,199 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 80.
[2023-12-16 17:40:31,200 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 80 states, 56 states have (on average 1.3928571428571428) internal successors, (78), 64 states have internal predecessors, (78), 14 states have call successors, (14), 10 states have call predecessors, (14), 9 states have return successors, (15), 11 states have call predecessors, (15), 14 states have call successors, (15)
[2023-12-16 17:40:31,200 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 107 transitions.
[2023-12-16 17:40:31,201 INFO  L78                 Accepts]: Start accepts. Automaton has 80 states and 107 transitions. Word has length 26
[2023-12-16 17:40:31,201 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-16 17:40:31,201 INFO  L495      AbstractCegarLoop]: Abstraction has 80 states and 107 transitions.
[2023-12-16 17:40:31,201 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, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2023-12-16 17:40:31,201 INFO  L276                IsEmpty]: Start isEmpty. Operand 80 states and 107 transitions.
[2023-12-16 17:40:31,202 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 31
[2023-12-16 17:40:31,202 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-16 17:40:31,202 INFO  L195           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-12-16 17:40:31,220 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 17:40:31,404 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 17:40:31,405 INFO  L420      AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-16 17:40:31,405 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-16 17:40:31,405 INFO  L85        PathProgramCache]: Analyzing trace with hash 862163908, now seen corresponding path program 1 times
[2023-12-16 17:40:31,406 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-12-16 17:40:31,406 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [530472265]
[2023-12-16 17:40:31,406 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-16 17:40:31,406 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 17:40:31,406 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2023-12-16 17:40:31,407 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 17:40:31,409 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 17:40:31,439 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-12-16 17:40:31,439 INFO  L356             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2023-12-16 17:40:31,455 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-12-16 17:40:31,476 INFO  L130   FreeRefinementEngine]: Strategy WOLF found a feasible trace
[2023-12-16 17:40:31,476 INFO  L360         BasicCegarLoop]: Counterexample is feasible
[2023-12-16 17:40:31,477 INFO  L805   garLoopResultBuilder]: Registering result UNSAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining)
[2023-12-16 17:40:31,487 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 17:40:31,680 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 17:40:31,683 INFO  L445         BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1]
[2023-12-16 17:40:31,685 INFO  L179   ceAbstractionStarter]: Computing trace abstraction results
[2023-12-16 17:40:31,707 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.12 05:40:31 BoogieIcfgContainer
[2023-12-16 17:40:31,707 INFO  L131        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2023-12-16 17:40:31,707 INFO  L158              Benchmark]: Toolchain (without parser) took 2873.85ms. Allocated memory was 165.7MB in the beginning and 226.5MB in the end (delta: 60.8MB). Free memory was 122.9MB in the beginning and 110.5MB in the end (delta: 12.4MB). Peak memory consumption was 74.0MB. Max. memory is 8.0GB.
[2023-12-16 17:40:31,707 INFO  L158              Benchmark]: CDTParser took 0.48ms. Allocated memory is still 165.7MB. Free memory is still 119.5MB. There was no memory consumed. Max. memory is 8.0GB.
[2023-12-16 17:40:31,707 INFO  L158              Benchmark]: CACSL2BoogieTranslator took 413.24ms. Allocated memory is still 165.7MB. Free memory was 122.6MB in the beginning and 97.7MB in the end (delta: 25.0MB). Peak memory consumption was 25.2MB. Max. memory is 8.0GB.
[2023-12-16 17:40:31,708 INFO  L158              Benchmark]: Boogie Procedure Inliner took 48.95ms. Allocated memory is still 165.7MB. Free memory was 97.7MB in the beginning and 95.7MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB.
[2023-12-16 17:40:31,708 INFO  L158              Benchmark]: Boogie Preprocessor took 50.85ms. Allocated memory is still 165.7MB. Free memory was 95.7MB in the beginning and 93.3MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB.
[2023-12-16 17:40:31,708 INFO  L158              Benchmark]: RCFGBuilder took 496.16ms. Allocated memory was 165.7MB in the beginning and 226.5MB in the end (delta: 60.8MB). Free memory was 93.3MB in the beginning and 188.6MB in the end (delta: -95.3MB). Peak memory consumption was 22.6MB. Max. memory is 8.0GB.
[2023-12-16 17:40:31,708 INFO  L158              Benchmark]: TraceAbstraction took 1859.38ms. Allocated memory is still 226.5MB. Free memory was 188.1MB in the beginning and 110.5MB in the end (delta: 77.6MB). Peak memory consumption was 77.6MB. Max. memory is 8.0GB.
[2023-12-16 17:40:31,709 INFO  L338   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.48ms. Allocated memory is still 165.7MB. Free memory is still 119.5MB. There was no memory consumed. Max. memory is 8.0GB.
 * CACSL2BoogieTranslator took 413.24ms. Allocated memory is still 165.7MB. Free memory was 122.6MB in the beginning and 97.7MB in the end (delta: 25.0MB). Peak memory consumption was 25.2MB. Max. memory is 8.0GB.
 * Boogie Procedure Inliner took 48.95ms. Allocated memory is still 165.7MB. Free memory was 97.7MB in the beginning and 95.7MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB.
 * Boogie Preprocessor took 50.85ms. Allocated memory is still 165.7MB. Free memory was 95.7MB in the beginning and 93.3MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB.
 * RCFGBuilder took 496.16ms. Allocated memory was 165.7MB in the beginning and 226.5MB in the end (delta: 60.8MB). Free memory was 93.3MB in the beginning and 188.6MB in the end (delta: -95.3MB). Peak memory consumption was 22.6MB. Max. memory is 8.0GB.
 * TraceAbstraction took 1859.38ms. Allocated memory is still 226.5MB. Free memory was 188.1MB in the beginning and 110.5MB in the end (delta: 77.6MB). Peak memory consumption was 77.6MB. 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,"MinePump.i","") [96]
  - GenericResultAtLocation [Line: 247]: Unsoundness Warning
    Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [247]
  - GenericResultAtLocation [Line: 317]: Unsoundness Warning
    Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [317]
  - GenericResultAtLocation [Line: 398]: Unsoundness Warning
    Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [398]
  - GenericResultAtLocation [Line: 494]: Unsoundness Warning
    Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [494]
  - GenericResultAtLocation [Line: 860]: Unsoundness Warning
    Ignoring preprocessor pragma C: #pragma merger(0,"Specification3_spec.i","") [860]
 * 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: 
[L106]              int pumpRunning  =    0;
[L107]              int systemActive  =    1;
[L319]              int waterLevel  =    1;
[L320]              int methaneLevelCritical  =    0;
[L399]              int cleanupTimeShifts  =    4;
[L664]              static struct __ACC__ERR *head  =    (struct __ACC__ERR *)0;
[L472]              int retValue_acc ;
[L473]              int tmp ;
[L477]  FCALL       select_helpers()
[L478]  FCALL       select_features()
[L479]  CALL, EXPR  valid_product()
[L88]               int retValue_acc ;
[L91]               retValue_acc = 1
[L92]               return (retValue_acc);
[L479]  RET, EXPR   valid_product()
[L479]              tmp = valid_product()
[L481]  COND TRUE   \read(tmp)
[L483]  FCALL       setup()
[L484]  CALL        runTest()
[L466]  CALL        test()
[L252]              int splverifierCounter ;
[L253]              int tmp ;
[L254]              int tmp___0 ;
[L255]              int tmp___1 ;
[L256]              int tmp___2 ;
[L259]              splverifierCounter = 0
        VAL         [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1]
[L261]  COND TRUE   1
        VAL         [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1]
[L263]  COND TRUE   splverifierCounter < 4
[L269]              tmp = __VERIFIER_nondet_int()
[L271]  COND TRUE   \read(tmp)
        VAL         [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=2, waterLevel=1]
[L273]  CALL        waterRise()
        VAL         [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L337]  COND TRUE   waterLevel < 2
[L338]              waterLevel = waterLevel + 1
        VAL         [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L273]  RET         waterRise()
        VAL         [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=2, waterLevel=2]
[L279]              tmp___0 = __VERIFIER_nondet_int()
[L281]  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]
[L289]              tmp___2 = __VERIFIER_nondet_int()
[L291]  COND TRUE   \read(tmp___2)
[L293]  CALL        startSystem()
[L243]              systemActive = 1
[L293]  RET         startSystem()
[L306]  CALL        timeShift()
        VAL         [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L114]  COND FALSE  !(\read(pumpRunning))
        VAL         [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L121]  COND TRUE   \read(systemActive)
[L123]  CALL        processEnvironment()
[L143]              int tmp ;
        VAL         [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L146]  COND FALSE  !(\read(pumpRunning))
        VAL         [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L161]  FCALL       processEnvironment__wrappee__base()
        VAL         [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L123]  RET         processEnvironment()
[L129]  CALL        __utac_acc__Specification3_spec__1()
[L862]              int tmp ;
[L863]              int tmp___0 ;
[L864]              int tmp___1 ;
        VAL         [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L868]  CALL, EXPR  isMethaneLevelCritical()
        VAL         [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L358]              int retValue_acc ;
[L361]              retValue_acc = methaneLevelCritical
[L362]              return (retValue_acc);
[L868]  RET, EXPR   isMethaneLevelCritical()
        VAL         [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L868]              tmp = isMethaneLevelCritical()
[L870]  COND FALSE  !(\read(tmp))
[L874]  CALL, EXPR  getWaterLevel()
[L390]              int retValue_acc ;
[L393]              retValue_acc = waterLevel
[L394]              return (retValue_acc);
[L874]  RET, EXPR   getWaterLevel()
[L874]              tmp___0 = getWaterLevel()
[L876]  COND TRUE   tmp___0 == 2
[L878]  CALL, EXPR  isPumpRunning()
[L195]              int retValue_acc ;
[L198]              retValue_acc = pumpRunning
[L199]              return (retValue_acc);
[L878]  RET, EXPR   isPumpRunning()
[L878]              tmp___1 = isPumpRunning()
[L880]  COND FALSE  !(\read(tmp___1))
[L884]  CALL        __automaton_fail()
[L54]               reach_error()
        VAL         [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]

  - StatisticsResult: Ultimate Automizer benchmark data
    CFG has 7 procedures, 57 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.8s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 94 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 91 mSDsluCounter, 328 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 124 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 82 IncrementalHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 204 mSDtfsCounter, 82 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 79 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=80occurred 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, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 112 NumberOfCodeBlocks, 112 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 78 ConstructedInterpolants, 0 QuantifiedInterpolants, 134 SizeOfPredicates, 3 NumberOfNonLiveVariables, 318 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 17:40:31,721 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...