/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_product36.cil.c


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


This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m
[2023-12-25 06:02:37,686 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2023-12-25 06:02:37,752 INFO  L114        SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf
[2023-12-25 06:02:37,756 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2023-12-25 06:02:37,757 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2023-12-25 06:02:37,796 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2023-12-25 06:02:37,797 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2023-12-25 06:02:37,797 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2023-12-25 06:02:37,798 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2023-12-25 06:02:37,802 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2023-12-25 06:02:37,802 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2023-12-25 06:02:37,802 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2023-12-25 06:02:37,803 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2023-12-25 06:02:37,804 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2023-12-25 06:02:37,804 INFO  L153        SettingsManager]:  * Use SBE=true
[2023-12-25 06:02:37,805 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-12-25 06:02:37,805 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2023-12-25 06:02:37,805 INFO  L153        SettingsManager]:  * sizeof long=4
[2023-12-25 06:02:37,805 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2023-12-25 06:02:37,807 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2023-12-25 06:02:37,807 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2023-12-25 06:02:37,807 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2023-12-25 06:02:37,807 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2023-12-25 06:02:37,808 INFO  L153        SettingsManager]:  * Adapt memory model on pointer casts if necessary=true
[2023-12-25 06:02:37,808 INFO  L153        SettingsManager]:  * Use bitvectors instead of ints=true
[2023-12-25 06:02:37,808 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2023-12-25 06:02:37,808 INFO  L153        SettingsManager]:  * Memory model=HoenickeLindenmann_4ByteResolution
[2023-12-25 06:02:37,808 INFO  L153        SettingsManager]:  * sizeof long double=12
[2023-12-25 06:02:37,809 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2023-12-25 06:02:37,809 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2023-12-25 06:02:37,810 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-12-25 06:02:37,810 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2023-12-25 06:02:37,810 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2023-12-25 06:02:37,810 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2023-12-25 06:02:37,810 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2023-12-25 06:02:37,811 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-12-25 06:02:37,811 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2023-12-25 06:02:37,811 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2023-12-25 06:02:37,811 INFO  L153        SettingsManager]:  * Trace refinement strategy=WOLF
[2023-12-25 06:02:37,811 INFO  L153        SettingsManager]:  * Command for external solver=cvc4 --incremental --print-success --lang smt
[2023-12-25 06:02:37,811 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2023-12-25 06:02:37,812 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2023-12-25 06:02:37,812 INFO  L153        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2023-12-25 06:02:37,812 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2023-12-25 06:02:37,812 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2023-12-25 06:02:37,812 INFO  L153        SettingsManager]:  * Logic for external solver=AUFBV
[2023-12-25 06:02:37,813 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
[2023-12-25 06:02:38,078 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2023-12-25 06:02:38,109 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-12-25 06:02:38,112 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-12-25 06:02:38,113 INFO  L270        PluginConnector]: Initializing CDTParser...
[2023-12-25 06:02:38,113 INFO  L274        PluginConnector]: CDTParser initialized
[2023-12-25 06:02:38,115 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product36.cil.c
[2023-12-25 06:02:39,428 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2023-12-25 06:02:39,688 INFO  L384              CDTParser]: Found 1 translation units.
[2023-12-25 06:02:39,689 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec3_product36.cil.c
[2023-12-25 06:02:39,713 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d22fb0aea/efd014a9df0146838fdaa4082f97a6b7/FLAGbed9c1823
[2023-12-25 06:02:39,728 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d22fb0aea/efd014a9df0146838fdaa4082f97a6b7
[2023-12-25 06:02:39,731 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-12-25 06:02:39,733 INFO  L133        ToolchainWalker]: Walking toolchain with 5 elements.
[2023-12-25 06:02:39,736 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-12-25 06:02:39,736 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-12-25 06:02:39,740 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2023-12-25 06:02:39,740 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.12 06:02:39" (1/1) ...
[2023-12-25 06:02:39,741 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6064a505 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:02:39, skipping insertion in model container
[2023-12-25 06:02:39,741 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.12 06:02:39" (1/1) ...
[2023-12-25 06:02:39,793 INFO  L177         MainTranslator]: Built tables and reachable declarations
[2023-12-25 06:02:39,936 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_product36.cil.c[1605,1618]
[2023-12-25 06:02:40,032 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-12-25 06:02:40,045 INFO  L199         MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution]
[2023-12-25 06:02:40,058 INFO  L177         MainTranslator]: Built tables and reachable declarations
[2023-12-25 06:02:40,062 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_product36.cil.c[1605,1618]
[2023-12-25 06:02:40,118 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-12-25 06:02:40,122 INFO  L202         MainTranslator]: Completed pre-run
[2023-12-25 06:02:40,131 WARN  L75    lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [49]
[2023-12-25 06:02:40,133 WARN  L75    lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [58]
[2023-12-25 06:02:40,133 WARN  L75    lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [424]
[2023-12-25 06:02:40,133 WARN  L75    lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [611]
[2023-12-25 06:02:40,133 WARN  L75    lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [683]
[2023-12-25 06:02:40,133 WARN  L75    lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [778]
[2023-12-25 06:02:40,134 WARN  L75    lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [877]
[2023-12-25 06:02:40,134 WARN  L75    lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification3_spec.i","") [912]
[2023-12-25 06:02:40,137 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_product36.cil.c[1605,1618]
[2023-12-25 06:02:40,174 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-12-25 06:02:40,189 INFO  L206         MainTranslator]: Completed translation
[2023-12-25 06:02:40,190 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:02:40 WrapperNode
[2023-12-25 06:02:40,190 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-12-25 06:02:40,191 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2023-12-25 06:02:40,191 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2023-12-25 06:02:40,191 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2023-12-25 06:02:40,197 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:02:40" (1/1) ...
[2023-12-25 06:02:40,213 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:02:40" (1/1) ...
[2023-12-25 06:02:40,250 INFO  L138                Inliner]: procedures = 56, calls = 97, calls flagged for inlining = 23, calls inlined = 20, statements flattened = 176
[2023-12-25 06:02:40,250 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2023-12-25 06:02:40,251 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2023-12-25 06:02:40,251 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2023-12-25 06:02:40,251 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2023-12-25 06:02:40,259 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:02:40" (1/1) ...
[2023-12-25 06:02:40,260 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:02:40" (1/1) ...
[2023-12-25 06:02:40,262 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:02:40" (1/1) ...
[2023-12-25 06:02:40,275 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].
[2023-12-25 06:02:40,275 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:02:40" (1/1) ...
[2023-12-25 06:02:40,276 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:02:40" (1/1) ...
[2023-12-25 06:02:40,281 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:02:40" (1/1) ...
[2023-12-25 06:02:40,285 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:02:40" (1/1) ...
[2023-12-25 06:02:40,286 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:02:40" (1/1) ...
[2023-12-25 06:02:40,287 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:02:40" (1/1) ...
[2023-12-25 06:02:40,290 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2023-12-25 06:02:40,290 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2023-12-25 06:02:40,290 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2023-12-25 06:02:40,291 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2023-12-25 06:02:40,291 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:02:40" (1/1) ...
[2023-12-25 06:02:40,299 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2023-12-25 06:02:40,310 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2023-12-25 06:02:40,354 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)
[2023-12-25 06:02:40,380 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
[2023-12-25 06:02:40,389 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2023-12-25 06:02:40,390 INFO  L130     BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base
[2023-12-25 06:02:40,390 INFO  L138     BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base
[2023-12-25 06:02:40,390 INFO  L130     BoogieDeclarations]: Found specification of procedure cleanup
[2023-12-25 06:02:40,390 INFO  L138     BoogieDeclarations]: Found implementation of procedure cleanup
[2023-12-25 06:02:40,390 INFO  L130     BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical
[2023-12-25 06:02:40,391 INFO  L138     BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical
[2023-12-25 06:02:40,391 INFO  L130     BoogieDeclarations]: Found specification of procedure timeShift
[2023-12-25 06:02:40,391 INFO  L138     BoogieDeclarations]: Found implementation of procedure timeShift
[2023-12-25 06:02:40,391 INFO  L130     BoogieDeclarations]: Found specification of procedure waterRise
[2023-12-25 06:02:40,391 INFO  L138     BoogieDeclarations]: Found implementation of procedure waterRise
[2023-12-25 06:02:40,391 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0
[2023-12-25 06:02:40,392 INFO  L130     BoogieDeclarations]: Found specification of procedure changeMethaneLevel
[2023-12-25 06:02:40,394 INFO  L138     BoogieDeclarations]: Found implementation of procedure changeMethaneLevel
[2023-12-25 06:02:40,394 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2023-12-25 06:02:40,394 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2023-12-25 06:02:40,477 INFO  L241             CfgBuilder]: Building ICFG
[2023-12-25 06:02:40,479 INFO  L267             CfgBuilder]: Building CFG for each procedure with an implementation
[2023-12-25 06:02:40,693 INFO  L282             CfgBuilder]: Performing block encoding
[2023-12-25 06:02:40,779 INFO  L304             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2023-12-25 06:02:40,780 INFO  L309             CfgBuilder]: Removed 2 assume(true) statements.
[2023-12-25 06:02:40,780 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.12 06:02:40 BoogieIcfgContainer
[2023-12-25 06:02:40,780 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2023-12-25 06:02:40,782 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2023-12-25 06:02:40,782 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2023-12-25 06:02:40,785 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2023-12-25 06:02:40,785 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.12 06:02:39" (1/3) ...
[2023-12-25 06:02:40,786 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3759907 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.12 06:02:40, skipping insertion in model container
[2023-12-25 06:02:40,786 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:02:40" (2/3) ...
[2023-12-25 06:02:40,786 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3759907 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.12 06:02:40, skipping insertion in model container
[2023-12-25 06:02:40,786 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.12 06:02:40" (3/3) ...
[2023-12-25 06:02:40,787 INFO  L112   eAbstractionObserver]: Analyzing ICFG minepump_spec3_product36.cil.c
[2023-12-25 06:02:40,802 INFO  L204   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2023-12-25 06:02:40,802 INFO  L163   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2023-12-25 06:02:40,846 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2023-12-25 06:02:40,851 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;@7125566d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2023-12-25 06:02:40,851 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2023-12-25 06:02:40,856 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 61 states, 44 states have (on average 1.5681818181818181) internal successors, (69), 50 states have internal predecessors, (69), 9 states have call successors, (9), 6 states have call predecessors, (9), 6 states have return successors, (9), 8 states have call predecessors, (9), 9 states have call successors, (9)
[2023-12-25 06:02:40,868 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 18
[2023-12-25 06:02:40,868 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-25 06:02:40,869 INFO  L195           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-12-25 06:02:40,869 INFO  L420      AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-25 06:02:40,875 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-25 06:02:40,875 INFO  L85        PathProgramCache]: Analyzing trace with hash -160384980, now seen corresponding path program 1 times
[2023-12-25 06:02:40,884 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-12-25 06:02:40,885 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [908902902]
[2023-12-25 06:02:40,885 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-25 06:02:40,885 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
[2023-12-25 06:02:40,885 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2023-12-25 06:02:40,887 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)
[2023-12-25 06:02:40,888 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
[2023-12-25 06:02:40,956 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-25 06:02:40,959 INFO  L262         TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 1 conjunts are in the unsatisfiable core
[2023-12-25 06:02:40,962 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-25 06:02:40,980 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-12-25 06:02:40,980 INFO  L323         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-12-25 06:02:40,981 INFO  L136   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2023-12-25 06:02:40,981 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [908902902]
[2023-12-25 06:02:40,981 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [908902902] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-25 06:02:40,981 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-12-25 06:02:40,981 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-12-25 06:02:40,983 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1608329979]
[2023-12-25 06:02:40,983 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-25 06:02:40,986 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2023-12-25 06:02:40,986 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2023-12-25 06:02:41,007 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2023-12-25 06:02:41,007 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2023-12-25 06:02:41,009 INFO  L87              Difference]: Start difference. First operand  has 61 states, 44 states have (on average 1.5681818181818181) internal successors, (69), 50 states have internal predecessors, (69), 9 states have call successors, (9), 6 states have call predecessors, (9), 6 states have return successors, (9), 8 states have call predecessors, (9), 9 states have call successors, (9) 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)
[2023-12-25 06:02:41,051 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-25 06:02:41,051 INFO  L93              Difference]: Finished difference Result 120 states and 175 transitions.
[2023-12-25 06:02:41,052 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-12-25 06:02:41,053 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
[2023-12-25 06:02:41,053 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-25 06:02:41,059 INFO  L225             Difference]: With dead ends: 120
[2023-12-25 06:02:41,060 INFO  L226             Difference]: Without dead ends: 56
[2023-12-25 06:02:41,062 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
[2023-12-25 06:02:41,065 INFO  L413           NwaCegarLoop]: 67 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 67 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2023-12-25 06:02:41,066 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 67 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-12-25 06:02:41,079 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 56 states.
[2023-12-25 06:02:41,093 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 56.
[2023-12-25 06:02:41,094 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 56 states, 41 states have (on average 1.4390243902439024) internal successors, (59), 46 states have internal predecessors, (59), 9 states have call successors, (9), 6 states have call predecessors, (9), 5 states have return successors, (8), 7 states have call predecessors, (8), 8 states have call successors, (8)
[2023-12-25 06:02:41,096 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 76 transitions.
[2023-12-25 06:02:41,097 INFO  L78                 Accepts]: Start accepts. Automaton has 56 states and 76 transitions. Word has length 17
[2023-12-25 06:02:41,097 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-25 06:02:41,098 INFO  L495      AbstractCegarLoop]: Abstraction has 56 states and 76 transitions.
[2023-12-25 06:02:41,098 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)
[2023-12-25 06:02:41,098 INFO  L276                IsEmpty]: Start isEmpty. Operand 56 states and 76 transitions.
[2023-12-25 06:02:41,099 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 19
[2023-12-25 06:02:41,099 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-25 06:02:41,100 INFO  L195           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-12-25 06:02:41,107 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
[2023-12-25 06:02:41,306 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2023-12-25 06:02:41,307 INFO  L420      AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-25 06:02:41,308 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-25 06:02:41,308 INFO  L85        PathProgramCache]: Analyzing trace with hash -1331131767, now seen corresponding path program 1 times
[2023-12-25 06:02:41,309 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-12-25 06:02:41,309 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1482820282]
[2023-12-25 06:02:41,309 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-25 06:02:41,309 INFO  L173          SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2023-12-25 06:02:41,309 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2023-12-25 06:02:41,311 INFO  L229       MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2023-12-25 06:02:41,318 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
[2023-12-25 06:02:41,366 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-25 06:02:41,367 INFO  L262         TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 2 conjunts are in the unsatisfiable core
[2023-12-25 06:02:41,368 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-25 06:02:41,388 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-12-25 06:02:41,388 INFO  L323         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-12-25 06:02:41,388 INFO  L136   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2023-12-25 06:02:41,389 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1482820282]
[2023-12-25 06:02:41,389 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [1482820282] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-25 06:02:41,389 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-12-25 06:02:41,389 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2023-12-25 06:02:41,389 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [552706441]
[2023-12-25 06:02:41,389 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-25 06:02:41,390 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-12-25 06:02:41,390 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2023-12-25 06:02:41,391 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-12-25 06:02:41,391 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-12-25 06:02:41,391 INFO  L87              Difference]: Start difference. First operand 56 states and 76 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)
[2023-12-25 06:02:41,430 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-25 06:02:41,430 INFO  L93              Difference]: Finished difference Result 83 states and 112 transitions.
[2023-12-25 06:02:41,432 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-12-25 06:02:41,432 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
[2023-12-25 06:02:41,432 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-25 06:02:41,433 INFO  L225             Difference]: With dead ends: 83
[2023-12-25 06:02:41,433 INFO  L226             Difference]: Without dead ends: 48
[2023-12-25 06:02:41,433 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
[2023-12-25 06:02:41,435 INFO  L413           NwaCegarLoop]: 53 mSDtfsCounter, 14 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 92 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2023-12-25 06:02:41,436 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 92 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-12-25 06:02:41,438 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 48 states.
[2023-12-25 06:02:41,446 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48.
[2023-12-25 06:02:41,447 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 48 states, 36 states have (on average 1.4722222222222223) internal successors, (53), 41 states have internal predecessors, (53), 6 states have call successors, (6), 5 states have call predecessors, (6), 5 states have return successors, (6), 5 states have call predecessors, (6), 6 states have call successors, (6)
[2023-12-25 06:02:41,448 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 65 transitions.
[2023-12-25 06:02:41,448 INFO  L78                 Accepts]: Start accepts. Automaton has 48 states and 65 transitions. Word has length 18
[2023-12-25 06:02:41,448 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-25 06:02:41,448 INFO  L495      AbstractCegarLoop]: Abstraction has 48 states and 65 transitions.
[2023-12-25 06:02:41,448 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)
[2023-12-25 06:02:41,448 INFO  L276                IsEmpty]: Start isEmpty. Operand 48 states and 65 transitions.
[2023-12-25 06:02:41,449 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 22
[2023-12-25 06:02:41,449 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-25 06:02:41,449 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]
[2023-12-25 06:02:41,452 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
[2023-12-25 06:02:41,652 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
[2023-12-25 06:02:41,652 INFO  L420      AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-25 06:02:41,653 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-25 06:02:41,653 INFO  L85        PathProgramCache]: Analyzing trace with hash 76596545, now seen corresponding path program 1 times
[2023-12-25 06:02:41,653 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-12-25 06:02:41,654 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [704647502]
[2023-12-25 06:02:41,654 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-25 06:02:41,654 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
[2023-12-25 06:02:41,654 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2023-12-25 06:02:41,655 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)
[2023-12-25 06:02:41,656 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
[2023-12-25 06:02:41,697 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-25 06:02:41,698 INFO  L262         TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 2 conjunts are in the unsatisfiable core
[2023-12-25 06:02:41,700 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-25 06:02:41,714 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-12-25 06:02:41,715 INFO  L323         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-12-25 06:02:41,715 INFO  L136   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2023-12-25 06:02:41,715 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [704647502]
[2023-12-25 06:02:41,715 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [704647502] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-25 06:02:41,715 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-12-25 06:02:41,716 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2023-12-25 06:02:41,716 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1369747248]
[2023-12-25 06:02:41,716 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-25 06:02:41,716 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-12-25 06:02:41,716 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2023-12-25 06:02:41,717 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-12-25 06:02:41,717 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-12-25 06:02:41,717 INFO  L87              Difference]: Start difference. First operand 48 states and 65 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)
[2023-12-25 06:02:41,792 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-25 06:02:41,792 INFO  L93              Difference]: Finished difference Result 140 states and 192 transitions.
[2023-12-25 06:02:41,792 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-12-25 06:02:41,793 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
[2023-12-25 06:02:41,793 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-25 06:02:41,796 INFO  L225             Difference]: With dead ends: 140
[2023-12-25 06:02:41,796 INFO  L226             Difference]: Without dead ends: 94
[2023-12-25 06:02:41,797 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
[2023-12-25 06:02:41,799 INFO  L413           NwaCegarLoop]: 62 mSDtfsCounter, 59 mSDsluCounter, 51 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 113 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2023-12-25 06:02:41,800 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 113 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-12-25 06:02:41,801 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 94 states.
[2023-12-25 06:02:41,815 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 90.
[2023-12-25 06:02:41,815 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 90 states, 67 states have (on average 1.4776119402985075) internal successors, (99), 76 states have internal predecessors, (99), 12 states have call successors, (12), 10 states have call predecessors, (12), 10 states have return successors, (12), 10 states have call predecessors, (12), 12 states have call successors, (12)
[2023-12-25 06:02:41,825 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 123 transitions.
[2023-12-25 06:02:41,826 INFO  L78                 Accepts]: Start accepts. Automaton has 90 states and 123 transitions. Word has length 21
[2023-12-25 06:02:41,826 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-25 06:02:41,826 INFO  L495      AbstractCegarLoop]: Abstraction has 90 states and 123 transitions.
[2023-12-25 06:02:41,827 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)
[2023-12-25 06:02:41,828 INFO  L276                IsEmpty]: Start isEmpty. Operand 90 states and 123 transitions.
[2023-12-25 06:02:41,831 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 25
[2023-12-25 06:02:41,831 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-25 06:02:41,832 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]
[2023-12-25 06:02:41,840 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
[2023-12-25 06:02:42,039 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
[2023-12-25 06:02:42,040 INFO  L420      AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-25 06:02:42,040 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-25 06:02:42,040 INFO  L85        PathProgramCache]: Analyzing trace with hash 418680391, now seen corresponding path program 1 times
[2023-12-25 06:02:42,041 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-12-25 06:02:42,041 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [24831101]
[2023-12-25 06:02:42,041 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-25 06:02:42,041 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
[2023-12-25 06:02:42,041 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2023-12-25 06:02:42,044 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)
[2023-12-25 06:02:42,047 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
[2023-12-25 06:02:42,088 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-25 06:02:42,089 INFO  L262         TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 6 conjunts are in the unsatisfiable core
[2023-12-25 06:02:42,091 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-25 06:02:42,169 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-12-25 06:02:42,169 INFO  L323         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-12-25 06:02:42,170 INFO  L136   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2023-12-25 06:02:42,170 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [24831101]
[2023-12-25 06:02:42,170 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [24831101] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-25 06:02:42,170 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-12-25 06:02:42,170 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2023-12-25 06:02:42,170 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [681315191]
[2023-12-25 06:02:42,171 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-25 06:02:42,173 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2023-12-25 06:02:42,173 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2023-12-25 06:02:42,174 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2023-12-25 06:02:42,174 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2023-12-25 06:02:42,175 INFO  L87              Difference]: Start difference. First operand 90 states and 123 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)
[2023-12-25 06:02:42,264 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-25 06:02:42,265 INFO  L93              Difference]: Finished difference Result 258 states and 364 transitions.
[2023-12-25 06:02:42,265 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2023-12-25 06:02:42,265 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
[2023-12-25 06:02:42,265 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-25 06:02:42,267 INFO  L225             Difference]: With dead ends: 258
[2023-12-25 06:02:42,268 INFO  L226             Difference]: Without dead ends: 170
[2023-12-25 06:02:42,273 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
[2023-12-25 06:02:42,275 INFO  L413           NwaCegarLoop]: 49 mSDtfsCounter, 34 mSDsluCounter, 95 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 144 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2023-12-25 06:02:42,276 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 144 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2023-12-25 06:02:42,277 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 170 states.
[2023-12-25 06:02:42,305 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 170 to 168.
[2023-12-25 06:02:42,307 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 168 states, 125 states have (on average 1.432) internal successors, (179), 140 states have internal predecessors, (179), 24 states have call successors, (24), 20 states have call predecessors, (24), 18 states have return successors, (26), 18 states have call predecessors, (26), 24 states have call successors, (26)
[2023-12-25 06:02:42,308 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 168 states and 229 transitions.
[2023-12-25 06:02:42,309 INFO  L78                 Accepts]: Start accepts. Automaton has 168 states and 229 transitions. Word has length 24
[2023-12-25 06:02:42,309 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-25 06:02:42,309 INFO  L495      AbstractCegarLoop]: Abstraction has 168 states and 229 transitions.
[2023-12-25 06:02:42,309 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)
[2023-12-25 06:02:42,309 INFO  L276                IsEmpty]: Start isEmpty. Operand 168 states and 229 transitions.
[2023-12-25 06:02:42,312 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 29
[2023-12-25 06:02:42,312 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-25 06:02:42,313 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]
[2023-12-25 06:02:42,316 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
[2023-12-25 06:02:42,516 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
[2023-12-25 06:02:42,516 INFO  L420      AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-25 06:02:42,517 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-25 06:02:42,517 INFO  L85        PathProgramCache]: Analyzing trace with hash 1986304045, now seen corresponding path program 1 times
[2023-12-25 06:02:42,517 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-12-25 06:02:42,517 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1088739446]
[2023-12-25 06:02:42,517 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-25 06:02:42,517 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
[2023-12-25 06:02:42,518 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2023-12-25 06:02:42,545 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)
[2023-12-25 06:02:42,546 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
[2023-12-25 06:02:42,590 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-12-25 06:02:42,590 INFO  L356             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2023-12-25 06:02:42,610 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-12-25 06:02:42,655 INFO  L130   FreeRefinementEngine]: Strategy WOLF found a feasible trace
[2023-12-25 06:02:42,655 INFO  L360         BasicCegarLoop]: Counterexample is feasible
[2023-12-25 06:02:42,656 INFO  L805   garLoopResultBuilder]: Registering result UNSAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining)
[2023-12-25 06:02:42,667 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
[2023-12-25 06:02:42,864 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
[2023-12-25 06:02:42,866 INFO  L445         BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1]
[2023-12-25 06:02:42,869 INFO  L179   ceAbstractionStarter]: Computing trace abstraction results
[2023-12-25 06:02:42,897 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.12 06:02:42 BoogieIcfgContainer
[2023-12-25 06:02:42,898 INFO  L131        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2023-12-25 06:02:42,898 INFO  L158              Benchmark]: Toolchain (without parser) took 3164.96ms. Allocated memory is still 290.5MB. Free memory was 243.3MB in the beginning and 180.0MB in the end (delta: 63.4MB). Peak memory consumption was 64.4MB. Max. memory is 8.0GB.
[2023-12-25 06:02:42,898 INFO  L158              Benchmark]: CDTParser took 0.17ms. Allocated memory is still 191.9MB. Free memory was 136.4MB in the beginning and 136.3MB in the end (delta: 153.8kB). There was no memory consumed. Max. memory is 8.0GB.
[2023-12-25 06:02:42,899 INFO  L158              Benchmark]: CACSL2BoogieTranslator took 454.29ms. Allocated memory is still 290.5MB. Free memory was 243.3MB in the beginning and 217.6MB in the end (delta: 25.7MB). Peak memory consumption was 26.2MB. Max. memory is 8.0GB.
[2023-12-25 06:02:42,899 INFO  L158              Benchmark]: Boogie Procedure Inliner took 59.56ms. Allocated memory is still 290.5MB. Free memory was 217.6MB in the beginning and 215.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB.
[2023-12-25 06:02:42,899 INFO  L158              Benchmark]: Boogie Preprocessor took 39.02ms. Allocated memory is still 290.5MB. Free memory was 215.0MB in the beginning and 212.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB.
[2023-12-25 06:02:42,899 INFO  L158              Benchmark]: RCFGBuilder took 489.79ms. Allocated memory is still 290.5MB. Free memory was 212.9MB in the beginning and 184.6MB in the end (delta: 28.3MB). Peak memory consumption was 28.3MB. Max. memory is 8.0GB.
[2023-12-25 06:02:42,900 INFO  L158              Benchmark]: TraceAbstraction took 2115.47ms. Allocated memory is still 290.5MB. Free memory was 184.1MB in the beginning and 180.0MB in the end (delta: 4.1MB). Peak memory consumption was 4.7MB. Max. memory is 8.0GB.
[2023-12-25 06:02:42,903 INFO  L338   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.17ms. Allocated memory is still 191.9MB. Free memory was 136.4MB in the beginning and 136.3MB in the end (delta: 153.8kB). There was no memory consumed. Max. memory is 8.0GB.
 * CACSL2BoogieTranslator took 454.29ms. Allocated memory is still 290.5MB. Free memory was 243.3MB in the beginning and 217.6MB in the end (delta: 25.7MB). Peak memory consumption was 26.2MB. Max. memory is 8.0GB.
 * Boogie Procedure Inliner took 59.56ms. Allocated memory is still 290.5MB. Free memory was 217.6MB in the beginning and 215.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB.
 * Boogie Preprocessor took 39.02ms. Allocated memory is still 290.5MB. Free memory was 215.0MB in the beginning and 212.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB.
 * RCFGBuilder took 489.79ms. Allocated memory is still 290.5MB. Free memory was 212.9MB in the beginning and 184.6MB in the end (delta: 28.3MB). Peak memory consumption was 28.3MB. Max. memory is 8.0GB.
 * TraceAbstraction took 2115.47ms. Allocated memory is still 290.5MB. Free memory was 184.1MB in the beginning and 180.0MB in the end (delta: 4.1MB). Peak memory consumption was 4.7MB. 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,"libacc.i","") [58]
  - GenericResultAtLocation [Line: 424]: Unsoundness Warning
    Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [424]
  - GenericResultAtLocation [Line: 611]: Unsoundness Warning
    Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [611]
  - GenericResultAtLocation [Line: 683]: Unsoundness Warning
    Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [683]
  - GenericResultAtLocation [Line: 778]: Unsoundness Warning
    Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [778]
  - GenericResultAtLocation [Line: 877]: Unsoundness Warning
    Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [877]
  - GenericResultAtLocation [Line: 912]: Unsoundness Warning
    Ignoring preprocessor pragma C: #pragma merger(0,"Specification3_spec.i","") [912]
 * 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: 
[L228]              static struct __ACC__ERR *head  =    (struct __ACC__ERR *)0;
[L436]              int pumpRunning  =    0;
[L437]              int systemActive  =    1;
[L685]              int waterLevel  =    1;
[L686]              int methaneLevelCritical  =    0;
[L779]              int cleanupTimeShifts  =    4;
[L855]              int retValue_acc ;
[L856]              int tmp ;
[L860]  FCALL       select_helpers()
[L861]  FCALL       select_features()
[L862]  CALL, EXPR  valid_product()
[L904]              int retValue_acc ;
[L907]              retValue_acc = 1
[L908]              return (retValue_acc);
[L862]  RET, EXPR   valid_product()
[L862]              tmp = valid_product()
[L864]  COND TRUE   \read(tmp)
[L866]  FCALL       setup()
[L867]  CALL        runTest()
[L846]  CALL        test()
[L616]              int splverifierCounter ;
[L617]              int tmp ;
[L618]              int tmp___0 ;
[L619]              int tmp___1 ;
[L620]              int tmp___2 ;
[L623]              splverifierCounter = 0
        VAL         [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1]
[L625]  COND TRUE   1
        VAL         [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1]
[L627]  COND TRUE   splverifierCounter < 4
[L633]              tmp = __VERIFIER_nondet_int()
[L635]  COND TRUE   \read(tmp)
        VAL         [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=2, waterLevel=1]
[L637]  CALL        waterRise()
        VAL         [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L703]  COND TRUE   waterLevel < 2
[L704]              waterLevel = waterLevel + 1
        VAL         [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L637]  RET         waterRise()
        VAL         [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=2, waterLevel=2]
[L643]              tmp___0 = __VERIFIER_nondet_int()
[L645]  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]
[L653]              tmp___2 = __VERIFIER_nondet_int()
[L655]  COND FALSE  !(\read(tmp___2))
[L661]              tmp___1 = __VERIFIER_nondet_int()
[L663]  COND TRUE   \read(tmp___1)
[L665]  CALL        stopSystem()
[L592]  COND FALSE  !(\read(pumpRunning))
        VAL         [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L599]              systemActive = 0
[L665]  RET         stopSystem()
[L672]  CALL        timeShift()
        VAL         [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2]
[L444]  COND FALSE  !(\read(pumpRunning))
        VAL         [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2]
[L451]  COND FALSE  !(\read(systemActive))
        VAL         [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2]
[L459]  CALL        __utac_acc__Specification3_spec__1()
[L914]              int tmp ;
[L915]              int tmp___0 ;
[L916]              int tmp___1 ;
        VAL         [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2]
[L920]  CALL, EXPR  isMethaneLevelCritical()
        VAL         [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2]
[L724]              int retValue_acc ;
[L727]              retValue_acc = methaneLevelCritical
[L728]              return (retValue_acc);
[L920]  RET, EXPR   isMethaneLevelCritical()
        VAL         [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2]
[L920]              tmp = isMethaneLevelCritical()
[L922]  COND FALSE  !(\read(tmp))
[L926]  CALL, EXPR  getWaterLevel()
[L756]              int retValue_acc ;
[L759]              retValue_acc = waterLevel
[L760]              return (retValue_acc);
[L926]  RET, EXPR   getWaterLevel()
[L926]              tmp___0 = getWaterLevel()
[L928]  COND TRUE   tmp___0 == 2
[L930]  CALL, EXPR  isPumpRunning()
[L525]              int retValue_acc ;
[L528]              retValue_acc = pumpRunning
[L529]              return (retValue_acc);
[L930]  RET, EXPR   isPumpRunning()
[L930]              tmp___1 = isPumpRunning()
[L932]  COND FALSE  !(\read(tmp___1))
[L936]  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 7 procedures, 61 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.0s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 110 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 107 mSDsluCounter, 416 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 185 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 113 IncrementalHoareTripleChecker+Invalid, 117 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 231 mSDtfsCounter, 113 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=168occurred 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, 6 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 108 NumberOfCodeBlocks, 108 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 76 ConstructedInterpolants, 0 QuantifiedInterpolants, 128 SizeOfPredicates, 3 NumberOfNonLiveVariables, 313 ConjunctsInSsa, 11 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
RESULT: Ultimate proved your program to be incorrect!
[2023-12-25 06:02:42,919 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...