/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_product63.cil.c


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


This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m
[2023-12-25 06:03:01,037 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2023-12-25 06:03:01,111 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 06:03:01,114 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2023-12-25 06:03:01,114 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2023-12-25 06:03:01,141 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2023-12-25 06:03:01,142 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2023-12-25 06:03:01,142 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2023-12-25 06:03:01,143 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2023-12-25 06:03:01,146 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2023-12-25 06:03:01,147 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2023-12-25 06:03:01,147 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2023-12-25 06:03:01,147 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2023-12-25 06:03:01,147 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2023-12-25 06:03:01,147 INFO  L153        SettingsManager]:  * Use SBE=true
[2023-12-25 06:03:01,148 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-12-25 06:03:01,148 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2023-12-25 06:03:01,148 INFO  L153        SettingsManager]:  * sizeof long=4
[2023-12-25 06:03:01,148 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2023-12-25 06:03:01,148 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2023-12-25 06:03:01,148 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2023-12-25 06:03:01,150 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2023-12-25 06:03:01,150 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2023-12-25 06:03:01,150 INFO  L153        SettingsManager]:  * Adapt memory model on pointer casts if necessary=true
[2023-12-25 06:03:01,151 INFO  L153        SettingsManager]:  * Use bitvectors instead of ints=true
[2023-12-25 06:03:01,151 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2023-12-25 06:03:01,151 INFO  L153        SettingsManager]:  * Memory model=HoenickeLindenmann_4ByteResolution
[2023-12-25 06:03:01,151 INFO  L153        SettingsManager]:  * sizeof long double=12
[2023-12-25 06:03:01,151 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2023-12-25 06:03:01,151 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2023-12-25 06:03:01,152 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-12-25 06:03:01,152 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2023-12-25 06:03:01,152 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2023-12-25 06:03:01,153 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2023-12-25 06:03:01,153 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2023-12-25 06:03:01,153 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-12-25 06:03:01,153 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2023-12-25 06:03:01,153 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2023-12-25 06:03:01,153 INFO  L153        SettingsManager]:  * Trace refinement strategy=WOLF
[2023-12-25 06:03:01,153 INFO  L153        SettingsManager]:  * Command for external solver=cvc4 --incremental --print-success --lang smt
[2023-12-25 06:03:01,153 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2023-12-25 06:03:01,154 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2023-12-25 06:03:01,154 INFO  L153        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2023-12-25 06:03:01,154 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2023-12-25 06:03:01,154 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2023-12-25 06:03:01,154 INFO  L153        SettingsManager]:  * Logic for external solver=AUFBV
[2023-12-25 06:03:01,154 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
[2023-12-25 06:03:01,330 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2023-12-25 06:03:01,346 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-12-25 06:03:01,348 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-12-25 06:03:01,349 INFO  L270        PluginConnector]: Initializing CDTParser...
[2023-12-25 06:03:01,349 INFO  L274        PluginConnector]: CDTParser initialized
[2023-12-25 06:03:01,351 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product63.cil.c
[2023-12-25 06:03:02,330 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2023-12-25 06:03:02,518 INFO  L384              CDTParser]: Found 1 translation units.
[2023-12-25 06:03:02,518 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec3_product63.cil.c
[2023-12-25 06:03:02,527 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ec12367da/d8bbf08da8414cfb91eab5d9da3b3e55/FLAGa951dac00
[2023-12-25 06:03:02,538 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ec12367da/d8bbf08da8414cfb91eab5d9da3b3e55
[2023-12-25 06:03:02,540 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-12-25 06:03:02,541 INFO  L133        ToolchainWalker]: Walking toolchain with 5 elements.
[2023-12-25 06:03:02,541 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-12-25 06:03:02,542 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-12-25 06:03:02,549 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2023-12-25 06:03:02,549 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.12 06:03:02" (1/1) ...
[2023-12-25 06:03:02,550 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27511f5a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:03:02, skipping insertion in model container
[2023-12-25 06:03:02,550 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.12 06:03:02" (1/1) ...
[2023-12-25 06:03:02,589 INFO  L177         MainTranslator]: Built tables and reachable declarations
[2023-12-25 06:03:02,735 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_product63.cil.c[9205,9218]
[2023-12-25 06:03:02,774 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-12-25 06:03:02,783 INFO  L199         MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution]
[2023-12-25 06:03:02,789 INFO  L177         MainTranslator]: Built tables and reachable declarations
[2023-12-25 06:03:02,833 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_product63.cil.c[9205,9218]
[2023-12-25 06:03:02,865 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-12-25 06:03:02,869 INFO  L202         MainTranslator]: Completed pre-run
[2023-12-25 06:03:02,875 WARN  L75    lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [49]
[2023-12-25 06:03:02,876 WARN  L75    lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [153]
[2023-12-25 06:03:02,876 WARN  L75    lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [188]
[2023-12-25 06:03:02,876 WARN  L75    lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [453]
[2023-12-25 06:03:02,877 WARN  L75    lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [520]
[2023-12-25 06:03:02,877 WARN  L75    lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [624]
[2023-12-25 06:03:02,877 WARN  L75    lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification3_spec.i","") [633]
[2023-12-25 06:03:02,877 WARN  L75    lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [667]
[2023-12-25 06:03:02,900 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_product63.cil.c[9205,9218]
[2023-12-25 06:03:02,937 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-12-25 06:03:02,952 INFO  L206         MainTranslator]: Completed translation
[2023-12-25 06:03:02,952 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:03:02 WrapperNode
[2023-12-25 06:03:02,952 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-12-25 06:03:02,953 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2023-12-25 06:03:02,953 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2023-12-25 06:03:02,953 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2023-12-25 06:03:02,958 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:03:02" (1/1) ...
[2023-12-25 06:03:02,977 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:03:02" (1/1) ...
[2023-12-25 06:03:02,996 INFO  L138                Inliner]: procedures = 60, calls = 107, calls flagged for inlining = 24, calls inlined = 21, statements flattened = 218
[2023-12-25 06:03:02,996 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2023-12-25 06:03:02,997 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2023-12-25 06:03:02,997 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2023-12-25 06:03:02,997 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2023-12-25 06:03:03,008 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:03:02" (1/1) ...
[2023-12-25 06:03:03,008 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:03:02" (1/1) ...
[2023-12-25 06:03:03,022 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:03:02" (1/1) ...
[2023-12-25 06:03:03,046 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 06:03:03,046 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:03:02" (1/1) ...
[2023-12-25 06:03:03,046 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:03:02" (1/1) ...
[2023-12-25 06:03:03,058 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:03:02" (1/1) ...
[2023-12-25 06:03:03,061 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:03:02" (1/1) ...
[2023-12-25 06:03:03,062 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:03:02" (1/1) ...
[2023-12-25 06:03:03,063 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:03:02" (1/1) ...
[2023-12-25 06:03:03,065 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2023-12-25 06:03:03,066 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2023-12-25 06:03:03,066 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2023-12-25 06:03:03,066 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2023-12-25 06:03:03,066 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:03:02" (1/1) ...
[2023-12-25 06:03:03,076 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2023-12-25 06:03:03,086 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2023-12-25 06:03:03,097 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 06:03:03,120 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 06:03:03,131 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2023-12-25 06:03:03,131 INFO  L130     BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base
[2023-12-25 06:03:03,132 INFO  L138     BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base
[2023-12-25 06:03:03,132 INFO  L130     BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical
[2023-12-25 06:03:03,132 INFO  L138     BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical
[2023-12-25 06:03:03,132 INFO  L130     BoogieDeclarations]: Found specification of procedure timeShift
[2023-12-25 06:03:03,132 INFO  L138     BoogieDeclarations]: Found implementation of procedure timeShift
[2023-12-25 06:03:03,132 INFO  L130     BoogieDeclarations]: Found specification of procedure cleanup
[2023-12-25 06:03:03,132 INFO  L138     BoogieDeclarations]: Found implementation of procedure cleanup
[2023-12-25 06:03:03,132 INFO  L130     BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor
[2023-12-25 06:03:03,133 INFO  L138     BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor
[2023-12-25 06:03:03,133 INFO  L130     BoogieDeclarations]: Found specification of procedure waterRise
[2023-12-25 06:03:03,133 INFO  L138     BoogieDeclarations]: Found implementation of procedure waterRise
[2023-12-25 06:03:03,135 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0
[2023-12-25 06:03:03,135 INFO  L130     BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery
[2023-12-25 06:03:03,135 INFO  L138     BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery
[2023-12-25 06:03:03,135 INFO  L130     BoogieDeclarations]: Found specification of procedure isMethaneAlarm
[2023-12-25 06:03:03,135 INFO  L138     BoogieDeclarations]: Found implementation of procedure isMethaneAlarm
[2023-12-25 06:03:03,135 INFO  L130     BoogieDeclarations]: Found specification of procedure deactivatePump
[2023-12-25 06:03:03,136 INFO  L138     BoogieDeclarations]: Found implementation of procedure deactivatePump
[2023-12-25 06:03:03,136 INFO  L130     BoogieDeclarations]: Found specification of procedure changeMethaneLevel
[2023-12-25 06:03:03,136 INFO  L138     BoogieDeclarations]: Found implementation of procedure changeMethaneLevel
[2023-12-25 06:03:03,136 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2023-12-25 06:03:03,136 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2023-12-25 06:03:03,222 INFO  L241             CfgBuilder]: Building ICFG
[2023-12-25 06:03:03,225 INFO  L267             CfgBuilder]: Building CFG for each procedure with an implementation
[2023-12-25 06:03:03,529 INFO  L282             CfgBuilder]: Performing block encoding
[2023-12-25 06:03:03,614 INFO  L304             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2023-12-25 06:03:03,615 INFO  L309             CfgBuilder]: Removed 2 assume(true) statements.
[2023-12-25 06:03:03,615 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.12 06:03:03 BoogieIcfgContainer
[2023-12-25 06:03:03,615 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2023-12-25 06:03:03,617 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2023-12-25 06:03:03,618 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2023-12-25 06:03:03,620 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2023-12-25 06:03:03,620 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.12 06:03:02" (1/3) ...
[2023-12-25 06:03:03,621 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a12b23d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.12 06:03:03, skipping insertion in model container
[2023-12-25 06:03:03,621 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:03:02" (2/3) ...
[2023-12-25 06:03:03,621 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a12b23d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.12 06:03:03, skipping insertion in model container
[2023-12-25 06:03:03,621 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.12 06:03:03" (3/3) ...
[2023-12-25 06:03:03,622 INFO  L112   eAbstractionObserver]: Analyzing ICFG minepump_spec3_product63.cil.c
[2023-12-25 06:03:03,635 INFO  L204   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2023-12-25 06:03:03,636 INFO  L163   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2023-12-25 06:03:03,677 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2023-12-25 06:03:03,681 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;@4f3288af, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2023-12-25 06:03:03,681 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2023-12-25 06:03:03,685 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 92 states, 61 states have (on average 1.5081967213114753) internal successors, (92), 72 states have internal predecessors, (92), 19 states have call successors, (19), 10 states have call predecessors, (19), 10 states have return successors, (19), 14 states have call predecessors, (19), 19 states have call successors, (19)
[2023-12-25 06:03:03,695 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 18
[2023-12-25 06:03:03,695 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-25 06:03:03,695 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 06:03:03,696 INFO  L420      AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-25 06:03:03,699 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-25 06:03:03,700 INFO  L85        PathProgramCache]: Analyzing trace with hash 1730622237, now seen corresponding path program 1 times
[2023-12-25 06:03:03,708 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-12-25 06:03:03,708 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1831181496]
[2023-12-25 06:03:03,708 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-25 06:03:03,708 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 06:03:03,709 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2023-12-25 06:03:03,710 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 06:03:03,728 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 06:03:03,775 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-25 06:03:03,778 INFO  L262         TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 1 conjunts are in the unsatisfiable core
[2023-12-25 06:03:03,781 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-25 06:03:03,795 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 06:03:03,795 INFO  L323         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-12-25 06:03:03,796 INFO  L136   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2023-12-25 06:03:03,796 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1831181496]
[2023-12-25 06:03:03,796 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [1831181496] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-25 06:03:03,797 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-12-25 06:03:03,797 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-12-25 06:03:03,798 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1415578329]
[2023-12-25 06:03:03,798 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-25 06:03:03,801 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2023-12-25 06:03:03,801 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2023-12-25 06:03:03,819 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2023-12-25 06:03:03,820 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2023-12-25 06:03:03,821 INFO  L87              Difference]: Start difference. First operand  has 92 states, 61 states have (on average 1.5081967213114753) internal successors, (92), 72 states have internal predecessors, (92), 19 states have call successors, (19), 10 states have call predecessors, (19), 10 states have return successors, (19), 14 states have call predecessors, (19), 19 states have call successors, (19) 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 06:03:03,877 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-25 06:03:03,877 INFO  L93              Difference]: Finished difference Result 182 states and 261 transitions.
[2023-12-25 06:03:03,880 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-12-25 06:03:03,881 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 06:03:03,881 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-25 06:03:03,887 INFO  L225             Difference]: With dead ends: 182
[2023-12-25 06:03:03,887 INFO  L226             Difference]: Without dead ends: 87
[2023-12-25 06:03:03,890 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 06:03:03,893 INFO  L413           NwaCegarLoop]: 108 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 108 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
[2023-12-25 06:03:03,893 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 108 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-12-25 06:03:03,905 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 87 states.
[2023-12-25 06:03:03,921 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 87.
[2023-12-25 06:03:03,922 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 87 states, 58 states have (on average 1.4137931034482758) internal successors, (82), 68 states have internal predecessors, (82), 19 states have call successors, (19), 10 states have call predecessors, (19), 9 states have return successors, (18), 13 states have call predecessors, (18), 18 states have call successors, (18)
[2023-12-25 06:03:03,923 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 119 transitions.
[2023-12-25 06:03:03,924 INFO  L78                 Accepts]: Start accepts. Automaton has 87 states and 119 transitions. Word has length 17
[2023-12-25 06:03:03,925 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-25 06:03:03,925 INFO  L495      AbstractCegarLoop]: Abstraction has 87 states and 119 transitions.
[2023-12-25 06:03:03,925 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 06:03:03,925 INFO  L276                IsEmpty]: Start isEmpty. Operand 87 states and 119 transitions.
[2023-12-25 06:03:03,927 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 19
[2023-12-25 06:03:03,927 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-25 06:03:03,927 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 06:03:03,931 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 06:03:04,133 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 06:03:04,133 INFO  L420      AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-25 06:03:04,134 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-25 06:03:04,134 INFO  L85        PathProgramCache]: Analyzing trace with hash 1869698274, now seen corresponding path program 1 times
[2023-12-25 06:03:04,134 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-12-25 06:03:04,135 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [408216468]
[2023-12-25 06:03:04,135 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-25 06:03:04,135 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 06:03:04,135 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2023-12-25 06:03:04,136 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 06:03:04,138 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 06:03:04,201 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-25 06:03:04,203 INFO  L262         TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 2 conjunts are in the unsatisfiable core
[2023-12-25 06:03:04,205 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-25 06:03:04,227 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 06:03:04,227 INFO  L323         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-12-25 06:03:04,227 INFO  L136   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2023-12-25 06:03:04,230 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [408216468]
[2023-12-25 06:03:04,230 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [408216468] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-25 06:03:04,230 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-12-25 06:03:04,230 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2023-12-25 06:03:04,231 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1134131182]
[2023-12-25 06:03:04,231 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-25 06:03:04,232 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-12-25 06:03:04,232 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2023-12-25 06:03:04,232 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-12-25 06:03:04,233 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-12-25 06:03:04,233 INFO  L87              Difference]: Start difference. First operand 87 states and 119 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 06:03:04,289 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-25 06:03:04,289 INFO  L93              Difference]: Finished difference Result 144 states and 196 transitions.
[2023-12-25 06:03:04,291 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-12-25 06:03:04,291 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 06:03:04,291 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-25 06:03:04,293 INFO  L225             Difference]: With dead ends: 144
[2023-12-25 06:03:04,293 INFO  L226             Difference]: Without dead ends: 79
[2023-12-25 06:03:04,294 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 06:03:04,294 INFO  L413           NwaCegarLoop]: 94 mSDtfsCounter, 14 mSDsluCounter, 77 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 171 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2023-12-25 06:03:04,295 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 171 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-12-25 06:03:04,295 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 79 states.
[2023-12-25 06:03:04,300 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 79.
[2023-12-25 06:03:04,300 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 79 states, 53 states have (on average 1.4339622641509433) internal successors, (76), 63 states have internal predecessors, (76), 16 states have call successors, (16), 9 states have call predecessors, (16), 9 states have return successors, (16), 11 states have call predecessors, (16), 16 states have call successors, (16)
[2023-12-25 06:03:04,301 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 108 transitions.
[2023-12-25 06:03:04,301 INFO  L78                 Accepts]: Start accepts. Automaton has 79 states and 108 transitions. Word has length 18
[2023-12-25 06:03:04,301 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-25 06:03:04,301 INFO  L495      AbstractCegarLoop]: Abstraction has 79 states and 108 transitions.
[2023-12-25 06:03:04,302 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 06:03:04,302 INFO  L276                IsEmpty]: Start isEmpty. Operand 79 states and 108 transitions.
[2023-12-25 06:03:04,302 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 22
[2023-12-25 06:03:04,302 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-25 06:03:04,302 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 06:03:04,304 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 06:03:04,518 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 06:03:04,518 INFO  L420      AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-25 06:03:04,518 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-25 06:03:04,519 INFO  L85        PathProgramCache]: Analyzing trace with hash -754775484, now seen corresponding path program 1 times
[2023-12-25 06:03:04,519 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-12-25 06:03:04,519 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1183618024]
[2023-12-25 06:03:04,519 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-25 06:03:04,519 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 06:03:04,519 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2023-12-25 06:03:04,520 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 06:03:04,524 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 06:03:04,569 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-25 06:03:04,571 INFO  L262         TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 2 conjunts are in the unsatisfiable core
[2023-12-25 06:03:04,572 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-25 06:03:04,600 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 06:03:04,600 INFO  L323         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-12-25 06:03:04,600 INFO  L136   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2023-12-25 06:03:04,600 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1183618024]
[2023-12-25 06:03:04,600 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [1183618024] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-25 06:03:04,600 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-12-25 06:03:04,600 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-12-25 06:03:04,600 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1386328807]
[2023-12-25 06:03:04,600 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-25 06:03:04,601 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-12-25 06:03:04,601 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2023-12-25 06:03:04,601 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-12-25 06:03:04,601 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-12-25 06:03:04,601 INFO  L87              Difference]: Start difference. First operand 79 states and 108 transitions. Second operand  has 3 states, 3 states have (on average 6.0) internal successors, (18), 2 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 06:03:04,660 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-25 06:03:04,661 INFO  L93              Difference]: Finished difference Result 233 states and 321 transitions.
[2023-12-25 06:03:04,661 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-12-25 06:03:04,661 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 6.0) internal successors, (18), 2 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 06:03:04,661 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-25 06:03:04,664 INFO  L225             Difference]: With dead ends: 233
[2023-12-25 06:03:04,664 INFO  L226             Difference]: Without dead ends: 156
[2023-12-25 06:03:04,665 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 06:03:04,665 INFO  L413           NwaCegarLoop]: 108 mSDtfsCounter, 95 mSDsluCounter, 92 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 95 SdHoareTripleChecker+Valid, 200 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2023-12-25 06:03:04,666 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [95 Valid, 200 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-12-25 06:03:04,666 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 156 states.
[2023-12-25 06:03:04,686 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 153.
[2023-12-25 06:03:04,687 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 153 states, 102 states have (on average 1.4411764705882353) internal successors, (147), 121 states have internal predecessors, (147), 32 states have call successors, (32), 18 states have call predecessors, (32), 18 states have return successors, (32), 21 states have call predecessors, (32), 32 states have call successors, (32)
[2023-12-25 06:03:04,688 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 211 transitions.
[2023-12-25 06:03:04,688 INFO  L78                 Accepts]: Start accepts. Automaton has 153 states and 211 transitions. Word has length 21
[2023-12-25 06:03:04,688 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-25 06:03:04,688 INFO  L495      AbstractCegarLoop]: Abstraction has 153 states and 211 transitions.
[2023-12-25 06:03:04,689 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 6.0) internal successors, (18), 2 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 06:03:04,689 INFO  L276                IsEmpty]: Start isEmpty. Operand 153 states and 211 transitions.
[2023-12-25 06:03:04,690 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 25
[2023-12-25 06:03:04,690 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-25 06:03:04,690 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 06:03:04,694 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 06:03:04,892 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 06:03:04,893 INFO  L420      AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-25 06:03:04,893 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-25 06:03:04,893 INFO  L85        PathProgramCache]: Analyzing trace with hash -1152164823, now seen corresponding path program 1 times
[2023-12-25 06:03:04,894 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-12-25 06:03:04,894 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [346882469]
[2023-12-25 06:03:04,894 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-25 06:03:04,894 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 06:03:04,894 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2023-12-25 06:03:04,895 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 06:03:04,897 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 06:03:04,961 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-25 06:03:04,963 INFO  L262         TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 6 conjunts are in the unsatisfiable core
[2023-12-25 06:03:04,965 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-25 06:03:05,023 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 06:03:05,023 INFO  L323         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-12-25 06:03:05,023 INFO  L136   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2023-12-25 06:03:05,023 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [346882469]
[2023-12-25 06:03:05,023 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [346882469] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-25 06:03:05,023 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-12-25 06:03:05,023 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2023-12-25 06:03:05,024 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1842785394]
[2023-12-25 06:03:05,024 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-25 06:03:05,024 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2023-12-25 06:03:05,024 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2023-12-25 06:03:05,024 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2023-12-25 06:03:05,024 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2023-12-25 06:03:05,025 INFO  L87              Difference]: Start difference. First operand 153 states and 211 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 06:03:05,124 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-25 06:03:05,124 INFO  L93              Difference]: Finished difference Result 447 states and 636 transitions.
[2023-12-25 06:03:05,124 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2023-12-25 06:03:05,124 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 06:03:05,125 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-25 06:03:05,130 INFO  L225             Difference]: With dead ends: 447
[2023-12-25 06:03:05,130 INFO  L226             Difference]: Without dead ends: 296
[2023-12-25 06:03:05,131 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 06:03:05,132 INFO  L413           NwaCegarLoop]: 90 mSDtfsCounter, 77 mSDsluCounter, 177 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 77 SdHoareTripleChecker+Valid, 267 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2023-12-25 06:03:05,132 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [77 Valid, 267 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2023-12-25 06:03:05,133 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 296 states.
[2023-12-25 06:03:05,173 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 296 to 294.
[2023-12-25 06:03:05,175 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 294 states, 195 states have (on average 1.4102564102564104) internal successors, (275), 230 states have internal predecessors, (275), 64 states have call successors, (64), 36 states have call predecessors, (64), 34 states have return successors, (66), 40 states have call predecessors, (66), 64 states have call successors, (66)
[2023-12-25 06:03:05,177 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 294 states and 405 transitions.
[2023-12-25 06:03:05,178 INFO  L78                 Accepts]: Start accepts. Automaton has 294 states and 405 transitions. Word has length 24
[2023-12-25 06:03:05,178 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-25 06:03:05,178 INFO  L495      AbstractCegarLoop]: Abstraction has 294 states and 405 transitions.
[2023-12-25 06:03:05,178 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 06:03:05,178 INFO  L276                IsEmpty]: Start isEmpty. Operand 294 states and 405 transitions.
[2023-12-25 06:03:05,180 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 29
[2023-12-25 06:03:05,180 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-25 06:03:05,181 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 06:03:05,188 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 06:03:05,381 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 06:03:05,381 INFO  L420      AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-25 06:03:05,382 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-25 06:03:05,382 INFO  L85        PathProgramCache]: Analyzing trace with hash -135065265, now seen corresponding path program 1 times
[2023-12-25 06:03:05,382 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-12-25 06:03:05,382 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1430006898]
[2023-12-25 06:03:05,382 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-25 06:03:05,382 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 06:03:05,382 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2023-12-25 06:03:05,383 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 06:03:05,386 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 06:03:05,417 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-12-25 06:03:05,417 INFO  L356             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2023-12-25 06:03:05,435 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-12-25 06:03:05,456 INFO  L130   FreeRefinementEngine]: Strategy WOLF found a feasible trace
[2023-12-25 06:03:05,457 INFO  L360         BasicCegarLoop]: Counterexample is feasible
[2023-12-25 06:03:05,457 INFO  L805   garLoopResultBuilder]: Registering result UNSAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining)
[2023-12-25 06:03:05,463 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 (6)] Ended with exit code 0
[2023-12-25 06:03:05,660 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 06:03:05,663 INFO  L445         BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1]
[2023-12-25 06:03:05,665 INFO  L179   ceAbstractionStarter]: Computing trace abstraction results
[2023-12-25 06:03:05,692 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.12 06:03:05 BoogieIcfgContainer
[2023-12-25 06:03:05,692 INFO  L131        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2023-12-25 06:03:05,693 INFO  L158              Benchmark]: Toolchain (without parser) took 3152.24ms. Allocated memory was 223.3MB in the beginning and 320.9MB in the end (delta: 97.5MB). Free memory was 157.2MB in the beginning and 211.4MB in the end (delta: -54.2MB). Peak memory consumption was 43.8MB. Max. memory is 8.0GB.
[2023-12-25 06:03:05,693 INFO  L158              Benchmark]: CDTParser took 0.14ms. Allocated memory is still 223.3MB. Free memory is still 172.4MB. There was no memory consumed. Max. memory is 8.0GB.
[2023-12-25 06:03:05,693 INFO  L158              Benchmark]: CACSL2BoogieTranslator took 411.14ms. Allocated memory was 223.3MB in the beginning and 320.9MB in the end (delta: 97.5MB). Free memory was 157.2MB in the beginning and 278.1MB in the end (delta: -120.9MB). Peak memory consumption was 23.8MB. Max. memory is 8.0GB.
[2023-12-25 06:03:05,694 INFO  L158              Benchmark]: Boogie Procedure Inliner took 42.97ms. Allocated memory is still 320.9MB. Free memory was 278.1MB in the beginning and 275.4MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB.
[2023-12-25 06:03:05,694 INFO  L158              Benchmark]: Boogie Preprocessor took 68.36ms. Allocated memory is still 320.9MB. Free memory was 275.4MB in the beginning and 272.8MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB.
[2023-12-25 06:03:05,694 INFO  L158              Benchmark]: RCFGBuilder took 549.47ms. Allocated memory is still 320.9MB. Free memory was 272.8MB in the beginning and 241.9MB in the end (delta: 30.9MB). Peak memory consumption was 30.4MB. Max. memory is 8.0GB.
[2023-12-25 06:03:05,694 INFO  L158              Benchmark]: TraceAbstraction took 2075.08ms. Allocated memory is still 320.9MB. Free memory was 240.8MB in the beginning and 211.4MB in the end (delta: 29.4MB). Peak memory consumption was 29.4MB. Max. memory is 8.0GB.
[2023-12-25 06:03:05,695 INFO  L338   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.14ms. Allocated memory is still 223.3MB. Free memory is still 172.4MB. There was no memory consumed. Max. memory is 8.0GB.
 * CACSL2BoogieTranslator took 411.14ms. Allocated memory was 223.3MB in the beginning and 320.9MB in the end (delta: 97.5MB). Free memory was 157.2MB in the beginning and 278.1MB in the end (delta: -120.9MB). Peak memory consumption was 23.8MB. Max. memory is 8.0GB.
 * Boogie Procedure Inliner took 42.97ms. Allocated memory is still 320.9MB. Free memory was 278.1MB in the beginning and 275.4MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB.
 * Boogie Preprocessor took 68.36ms. Allocated memory is still 320.9MB. Free memory was 275.4MB in the beginning and 272.8MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB.
 * RCFGBuilder took 549.47ms. Allocated memory is still 320.9MB. Free memory was 272.8MB in the beginning and 241.9MB in the end (delta: 30.9MB). Peak memory consumption was 30.4MB. Max. memory is 8.0GB.
 * TraceAbstraction took 2075.08ms. Allocated memory is still 320.9MB. Free memory was 240.8MB in the beginning and 211.4MB in the end (delta: 29.4MB). Peak memory consumption was 29.4MB. 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,"Test.i","") [49]
  - GenericResultAtLocation [Line: 153]: Unsoundness Warning
    Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [153]
  - GenericResultAtLocation [Line: 188]: Unsoundness Warning
    Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [188]
  - GenericResultAtLocation [Line: 453]: Unsoundness Warning
    Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [453]
  - GenericResultAtLocation [Line: 520]: Unsoundness Warning
    Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [520]
  - GenericResultAtLocation [Line: 624]: Unsoundness Warning
    Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [624]
  - GenericResultAtLocation [Line: 633]: Unsoundness Warning
    Ignoring preprocessor pragma C: #pragma merger(0,"Specification3_spec.i","") [633]
  - GenericResultAtLocation [Line: 667]: Unsoundness Warning
    Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [667]
 * 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: 629]: a call to reach_error is reachable
    a call to reach_error is reachable
We found a FailurePath: 
[L50]               int cleanupTimeShifts  =    4;
[L198]              int pumpRunning  =    0;
[L199]              int systemActive  =    1;
[L522]              int waterLevel  =    1;
[L523]              int methaneLevelCritical  =    0;
[L837]              static struct __ACC__ERR *head  =    (struct __ACC__ERR *)0;
[L131]              int retValue_acc ;
[L132]              int tmp ;
[L136]  FCALL       select_helpers()
[L137]  FCALL       select_features()
[L138]  CALL, EXPR  valid_product()
[L180]              int retValue_acc ;
[L183]              retValue_acc = 1
[L184]              return (retValue_acc);
[L138]  RET, EXPR   valid_product()
[L138]              tmp = valid_product()
[L140]  COND TRUE   \read(tmp)
[L142]  FCALL       setup()
[L143]  CALL        runTest()
[L122]  CALL        test()
[L455]              int splverifierCounter ;
[L456]              int tmp ;
[L457]              int tmp___0 ;
[L458]              int tmp___1 ;
[L459]              int tmp___2 ;
[L462]              splverifierCounter = 0
        VAL         [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1]
[L464]  COND TRUE   1
        VAL         [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1]
[L466]  COND TRUE   splverifierCounter < 4
[L472]              tmp = __VERIFIER_nondet_int()
[L474]  COND TRUE   \read(tmp)
        VAL         [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=2, waterLevel=1]
[L476]  CALL        waterRise()
        VAL         [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L540]  COND TRUE   waterLevel < 2
[L541]              waterLevel = waterLevel + 1
        VAL         [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L476]  RET         waterRise()
        VAL         [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=2, waterLevel=2]
[L482]              tmp___0 = __VERIFIER_nondet_int()
[L484]  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]
[L492]              tmp___2 = __VERIFIER_nondet_int()
[L494]  COND FALSE  !(\read(tmp___2))
[L498]              tmp___1 = __VERIFIER_nondet_int()
[L500]  COND TRUE   \read(tmp___1)
[L502]  CALL        stopSystem()
[L442]  COND FALSE  !(\read(pumpRunning))
        VAL         [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L449]              systemActive = 0
[L502]  RET         stopSystem()
[L509]  CALL        timeShift()
        VAL         [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2]
[L206]  COND FALSE  !(\read(pumpRunning))
        VAL         [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2]
[L213]  COND FALSE  !(\read(systemActive))
        VAL         [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2]
[L221]  CALL        __utac_acc__Specification3_spec__1()
[L635]              int tmp ;
[L636]              int tmp___0 ;
[L637]              int tmp___1 ;
        VAL         [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2]
[L641]  CALL, EXPR  isMethaneLevelCritical()
        VAL         [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2]
[L561]              int retValue_acc ;
[L564]              retValue_acc = methaneLevelCritical
[L565]              return (retValue_acc);
[L641]  RET, EXPR   isMethaneLevelCritical()
        VAL         [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2]
[L641]              tmp = isMethaneLevelCritical()
[L643]  COND FALSE  !(\read(tmp))
[L647]  CALL, EXPR  getWaterLevel()
[L593]              int retValue_acc ;
[L596]              retValue_acc = waterLevel
[L597]              return (retValue_acc);
[L647]  RET, EXPR   getWaterLevel()
[L647]              tmp___0 = getWaterLevel()
[L649]  COND TRUE   tmp___0 == 2
[L651]  CALL, EXPR  isPumpRunning()
[L356]              int retValue_acc ;
[L359]              retValue_acc = pumpRunning
[L360]              return (retValue_acc);
[L651]  RET, EXPR   isPumpRunning()
[L651]              tmp___1 = isPumpRunning()
[L653]  COND FALSE  !(\read(tmp___1))
[L657]  CALL        __automaton_fail()
[L629]              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 11 procedures, 92 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, 190 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 186 mSDsluCounter, 746 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 346 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 132 IncrementalHoareTripleChecker+Invalid, 135 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 400 mSDtfsCounter, 132 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=294occurred in iteration=4, InterpolantAutomatonStates: 12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 5 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 108 NumberOfCodeBlocks, 108 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 76 ConstructedInterpolants, 0 QuantifiedInterpolants, 144 SizeOfPredicates, 3 NumberOfNonLiveVariables, 312 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 06:03:05,712 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...