/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_product55.cil.c


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


This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m
[2023-12-16 17:41:00,030 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2023-12-16 17:41:00,094 INFO  L114        SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf
[2023-12-16 17:41:00,098 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2023-12-16 17:41:00,098 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2023-12-16 17:41:00,118 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2023-12-16 17:41:00,118 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2023-12-16 17:41:00,118 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2023-12-16 17:41:00,119 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2023-12-16 17:41:00,121 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2023-12-16 17:41:00,122 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2023-12-16 17:41:00,122 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2023-12-16 17:41:00,122 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2023-12-16 17:41:00,123 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2023-12-16 17:41:00,123 INFO  L153        SettingsManager]:  * Use SBE=true
[2023-12-16 17:41:00,123 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-12-16 17:41:00,124 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2023-12-16 17:41:00,124 INFO  L153        SettingsManager]:  * sizeof long=4
[2023-12-16 17:41:00,124 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2023-12-16 17:41:00,124 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2023-12-16 17:41:00,124 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2023-12-16 17:41:00,124 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2023-12-16 17:41:00,124 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2023-12-16 17:41:00,125 INFO  L153        SettingsManager]:  * Adapt memory model on pointer casts if necessary=true
[2023-12-16 17:41:00,125 INFO  L153        SettingsManager]:  * Use bitvectors instead of ints=true
[2023-12-16 17:41:00,125 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2023-12-16 17:41:00,125 INFO  L153        SettingsManager]:  * Memory model=HoenickeLindenmann_4ByteResolution
[2023-12-16 17:41:00,125 INFO  L153        SettingsManager]:  * sizeof long double=12
[2023-12-16 17:41:00,125 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2023-12-16 17:41:00,125 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2023-12-16 17:41:00,126 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-12-16 17:41:00,126 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2023-12-16 17:41:00,126 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2023-12-16 17:41:00,126 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2023-12-16 17:41:00,126 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2023-12-16 17:41:00,127 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-12-16 17:41:00,127 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2023-12-16 17:41:00,127 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2023-12-16 17:41:00,127 INFO  L153        SettingsManager]:  * Trace refinement strategy=WOLF
[2023-12-16 17:41:00,127 INFO  L153        SettingsManager]:  * Command for external solver=cvc4 --incremental --print-success --lang smt
[2023-12-16 17:41:00,127 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2023-12-16 17:41:00,127 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2023-12-16 17:41:00,127 INFO  L153        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2023-12-16 17:41:00,127 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2023-12-16 17:41:00,128 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2023-12-16 17:41:00,128 INFO  L153        SettingsManager]:  * Logic for external solver=AUFBV
[2023-12-16 17:41:00,128 INFO  L153        SettingsManager]:  * Looper check in Petri net analysis=SEMANTIC
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int)
WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
[2023-12-16 17:41:00,384 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2023-12-16 17:41:00,401 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-12-16 17:41:00,403 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-12-16 17:41:00,403 INFO  L270        PluginConnector]: Initializing CDTParser...
[2023-12-16 17:41:00,403 INFO  L274        PluginConnector]: CDTParser initialized
[2023-12-16 17:41:00,405 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product55.cil.c
[2023-12-16 17:41:01,349 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2023-12-16 17:41:01,560 INFO  L384              CDTParser]: Found 1 translation units.
[2023-12-16 17:41:01,561 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec3_product55.cil.c
[2023-12-16 17:41:01,578 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/30604f11b/65213f47571841dd8446d4f4d4569503/FLAG77d0ac1f9
[2023-12-16 17:41:01,587 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/30604f11b/65213f47571841dd8446d4f4d4569503
[2023-12-16 17:41:01,589 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-12-16 17:41:01,590 INFO  L133        ToolchainWalker]: Walking toolchain with 5 elements.
[2023-12-16 17:41:01,591 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-12-16 17:41:01,591 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-12-16 17:41:01,596 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2023-12-16 17:41:01,596 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 05:41:01" (1/1) ...
[2023-12-16 17:41:01,597 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f3848a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:41:01, skipping insertion in model container
[2023-12-16 17:41:01,597 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 05:41:01" (1/1) ...
[2023-12-16 17:41:01,628 INFO  L177         MainTranslator]: Built tables and reachable declarations
[2023-12-16 17:41:01,749 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_product55.cil.c[3777,3790]
[2023-12-16 17:41:01,816 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-12-16 17:41:01,825 INFO  L199         MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution]
[2023-12-16 17:41:01,831 INFO  L177         MainTranslator]: Built tables and reachable declarations
[2023-12-16 17:41:01,837 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_product55.cil.c[3777,3790]
[2023-12-16 17:41:01,863 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-12-16 17:41:01,866 INFO  L202         MainTranslator]: Completed pre-run
[2023-12-16 17:41:01,873 WARN  L75    lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [49]
[2023-12-16 17:41:01,874 WARN  L75    lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [87]
[2023-12-16 17:41:01,874 WARN  L75    lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [198]
[2023-12-16 17:41:01,874 WARN  L75    lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [207]
[2023-12-16 17:41:01,874 WARN  L75    lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [573]
[2023-12-16 17:41:01,874 WARN  L75    lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [672]
[2023-12-16 17:41:01,874 WARN  L75    lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification3_spec.i","") [915]
[2023-12-16 17:41:01,875 WARN  L75    lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [949]
[2023-12-16 17:41:01,880 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_product55.cil.c[3777,3790]
[2023-12-16 17:41:01,903 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-12-16 17:41:01,916 INFO  L206         MainTranslator]: Completed translation
[2023-12-16 17:41:01,916 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:41:01 WrapperNode
[2023-12-16 17:41:01,916 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-12-16 17:41:01,917 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2023-12-16 17:41:01,917 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2023-12-16 17:41:01,917 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2023-12-16 17:41:01,921 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:41:01" (1/1) ...
[2023-12-16 17:41:01,930 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:41:01" (1/1) ...
[2023-12-16 17:41:01,950 INFO  L138                Inliner]: procedures = 59, calls = 105, calls flagged for inlining = 24, calls inlined = 21, statements flattened = 219
[2023-12-16 17:41:01,950 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2023-12-16 17:41:01,950 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2023-12-16 17:41:01,950 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2023-12-16 17:41:01,950 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2023-12-16 17:41:01,961 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:41:01" (1/1) ...
[2023-12-16 17:41:01,961 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:41:01" (1/1) ...
[2023-12-16 17:41:01,967 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:41:01" (1/1) ...
[2023-12-16 17:41:01,986 INFO  L175           MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0].
[2023-12-16 17:41:01,986 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:41:01" (1/1) ...
[2023-12-16 17:41:01,986 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:41:01" (1/1) ...
[2023-12-16 17:41:01,989 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:41:01" (1/1) ...
[2023-12-16 17:41:01,992 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:41:01" (1/1) ...
[2023-12-16 17:41:02,008 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:41:01" (1/1) ...
[2023-12-16 17:41:02,009 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:41:01" (1/1) ...
[2023-12-16 17:41:02,011 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2023-12-16 17:41:02,011 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2023-12-16 17:41:02,011 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2023-12-16 17:41:02,012 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2023-12-16 17:41:02,012 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:41:01" (1/1) ...
[2023-12-16 17:41:02,016 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2023-12-16 17:41:02,022 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2023-12-16 17:41:02,031 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2023-12-16 17:41:02,032 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2023-12-16 17:41:02,048 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2023-12-16 17:41:02,048 INFO  L130     BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base
[2023-12-16 17:41:02,048 INFO  L138     BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base
[2023-12-16 17:41:02,049 INFO  L130     BoogieDeclarations]: Found specification of procedure timeShift
[2023-12-16 17:41:02,049 INFO  L138     BoogieDeclarations]: Found implementation of procedure timeShift
[2023-12-16 17:41:02,049 INFO  L130     BoogieDeclarations]: Found specification of procedure cleanup
[2023-12-16 17:41:02,049 INFO  L138     BoogieDeclarations]: Found implementation of procedure cleanup
[2023-12-16 17:41:02,049 INFO  L130     BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical
[2023-12-16 17:41:02,049 INFO  L138     BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical
[2023-12-16 17:41:02,049 INFO  L130     BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor
[2023-12-16 17:41:02,049 INFO  L138     BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor
[2023-12-16 17:41:02,049 INFO  L130     BoogieDeclarations]: Found specification of procedure waterRise
[2023-12-16 17:41:02,049 INFO  L138     BoogieDeclarations]: Found implementation of procedure waterRise
[2023-12-16 17:41:02,049 INFO  L130     BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor
[2023-12-16 17:41:02,049 INFO  L138     BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor
[2023-12-16 17:41:02,050 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0
[2023-12-16 17:41:02,050 INFO  L130     BoogieDeclarations]: Found specification of procedure deactivatePump
[2023-12-16 17:41:02,050 INFO  L138     BoogieDeclarations]: Found implementation of procedure deactivatePump
[2023-12-16 17:41:02,050 INFO  L130     BoogieDeclarations]: Found specification of procedure changeMethaneLevel
[2023-12-16 17:41:02,050 INFO  L138     BoogieDeclarations]: Found implementation of procedure changeMethaneLevel
[2023-12-16 17:41:02,050 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2023-12-16 17:41:02,050 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2023-12-16 17:41:02,141 INFO  L241             CfgBuilder]: Building ICFG
[2023-12-16 17:41:02,143 INFO  L267             CfgBuilder]: Building CFG for each procedure with an implementation
[2023-12-16 17:41:02,330 INFO  L282             CfgBuilder]: Performing block encoding
[2023-12-16 17:41:02,397 INFO  L304             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2023-12-16 17:41:02,397 INFO  L309             CfgBuilder]: Removed 2 assume(true) statements.
[2023-12-16 17:41:02,397 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 05:41:02 BoogieIcfgContainer
[2023-12-16 17:41:02,398 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2023-12-16 17:41:02,399 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2023-12-16 17:41:02,399 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2023-12-16 17:41:02,401 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2023-12-16 17:41:02,401 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.12 05:41:01" (1/3) ...
[2023-12-16 17:41:02,401 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c530009 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 05:41:02, skipping insertion in model container
[2023-12-16 17:41:02,401 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:41:01" (2/3) ...
[2023-12-16 17:41:02,402 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c530009 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 05:41:02, skipping insertion in model container
[2023-12-16 17:41:02,402 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 05:41:02" (3/3) ...
[2023-12-16 17:41:02,402 INFO  L112   eAbstractionObserver]: Analyzing ICFG minepump_spec3_product55.cil.c
[2023-12-16 17:41:02,413 INFO  L204   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2023-12-16 17:41:02,413 INFO  L163   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2023-12-16 17:41:02,441 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2023-12-16 17:41:02,446 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;@603068a9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2023-12-16 17:41:02,447 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2023-12-16 17:41:02,451 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 84 states, 56 states have (on average 1.5357142857142858) internal successors, (86), 67 states have internal predecessors, (86), 17 states have call successors, (17), 9 states have call predecessors, (17), 9 states have return successors, (17), 12 states have call predecessors, (17), 17 states have call successors, (17)
[2023-12-16 17:41:02,463 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 18
[2023-12-16 17:41:02,463 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-16 17:41:02,464 INFO  L195           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-12-16 17:41:02,464 INFO  L420      AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-16 17:41:02,469 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-16 17:41:02,469 INFO  L85        PathProgramCache]: Analyzing trace with hash 1101951115, now seen corresponding path program 1 times
[2023-12-16 17:41:02,478 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-12-16 17:41:02,478 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1525118261]
[2023-12-16 17:41:02,478 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-16 17:41:02,479 INFO  L173          SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2023-12-16 17:41:02,479 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2023-12-16 17:41:02,482 INFO  L229       MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2023-12-16 17:41:02,487 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process
[2023-12-16 17:41:02,589 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-16 17:41:02,591 INFO  L262         TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 1 conjunts are in the unsatisfiable core
[2023-12-16 17:41:02,594 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-16 17:41:02,608 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-12-16 17:41:02,608 INFO  L323         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-12-16 17:41:02,608 INFO  L136   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2023-12-16 17:41:02,609 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1525118261]
[2023-12-16 17:41:02,609 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [1525118261] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-16 17:41:02,609 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-12-16 17:41:02,609 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-12-16 17:41:02,611 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1136770985]
[2023-12-16 17:41:02,611 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-16 17:41:02,614 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2023-12-16 17:41:02,614 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2023-12-16 17:41:02,634 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2023-12-16 17:41:02,634 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2023-12-16 17:41:02,636 INFO  L87              Difference]: Start difference. First operand  has 84 states, 56 states have (on average 1.5357142857142858) internal successors, (86), 67 states have internal predecessors, (86), 17 states have call successors, (17), 9 states have call predecessors, (17), 9 states have return successors, (17), 12 states have call predecessors, (17), 17 states have call successors, (17) Second operand  has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2023-12-16 17:41:02,692 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-16 17:41:02,692 INFO  L93              Difference]: Finished difference Result 166 states and 241 transitions.
[2023-12-16 17:41:02,693 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-12-16 17:41:02,695 INFO  L78                 Accepts]: Start accepts. Automaton has  has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 17
[2023-12-16 17:41:02,695 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-16 17:41:02,702 INFO  L225             Difference]: With dead ends: 166
[2023-12-16 17:41:02,702 INFO  L226             Difference]: Without dead ends: 79
[2023-12-16 17:41:02,705 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2023-12-16 17:41:02,709 INFO  L413           NwaCegarLoop]: 98 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, 98 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2023-12-16 17:41:02,710 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 98 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-12-16 17:41:02,720 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 79 states.
[2023-12-16 17:41:02,736 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 79.
[2023-12-16 17:41:02,737 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), 17 states have call successors, (17), 9 states have call predecessors, (17), 8 states have return successors, (16), 11 states have call predecessors, (16), 16 states have call successors, (16)
[2023-12-16 17:41:02,739 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 109 transitions.
[2023-12-16 17:41:02,740 INFO  L78                 Accepts]: Start accepts. Automaton has 79 states and 109 transitions. Word has length 17
[2023-12-16 17:41:02,740 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-16 17:41:02,740 INFO  L495      AbstractCegarLoop]: Abstraction has 79 states and 109 transitions.
[2023-12-16 17:41:02,741 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2023-12-16 17:41:02,741 INFO  L276                IsEmpty]: Start isEmpty. Operand 79 states and 109 transitions.
[2023-12-16 17:41:02,742 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 19
[2023-12-16 17:41:02,742 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-16 17:41:02,742 INFO  L195           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-12-16 17:41:02,748 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0
[2023-12-16 17:41:02,945 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2023-12-16 17:41:02,945 INFO  L420      AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-16 17:41:02,946 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-16 17:41:02,946 INFO  L85        PathProgramCache]: Analyzing trace with hash -552615608, now seen corresponding path program 1 times
[2023-12-16 17:41:02,946 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-12-16 17:41:02,946 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1934505841]
[2023-12-16 17:41:02,946 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-16 17:41:02,947 INFO  L173          SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2023-12-16 17:41:02,947 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2023-12-16 17:41:02,948 INFO  L229       MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2023-12-16 17:41:02,964 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process
[2023-12-16 17:41:02,998 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-16 17:41:02,999 INFO  L262         TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 2 conjunts are in the unsatisfiable core
[2023-12-16 17:41:03,000 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-16 17:41:03,014 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-12-16 17:41:03,014 INFO  L323         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-12-16 17:41:03,014 INFO  L136   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2023-12-16 17:41:03,014 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1934505841]
[2023-12-16 17:41:03,014 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [1934505841] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-16 17:41:03,014 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-12-16 17:41:03,014 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2023-12-16 17:41:03,015 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1846707816]
[2023-12-16 17:41:03,015 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-16 17:41:03,015 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-12-16 17:41:03,015 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2023-12-16 17:41:03,016 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-12-16 17:41:03,016 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-12-16 17:41:03,016 INFO  L87              Difference]: Start difference. First operand 79 states and 109 transitions. Second operand  has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2023-12-16 17:41:03,064 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-16 17:41:03,064 INFO  L93              Difference]: Finished difference Result 128 states and 176 transitions.
[2023-12-16 17:41:03,065 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-12-16 17:41:03,065 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 18
[2023-12-16 17:41:03,065 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-16 17:41:03,066 INFO  L225             Difference]: With dead ends: 128
[2023-12-16 17:41:03,066 INFO  L226             Difference]: Without dead ends: 71
[2023-12-16 17:41:03,067 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-12-16 17:41:03,067 INFO  L413           NwaCegarLoop]: 84 mSDtfsCounter, 14 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 151 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
[2023-12-16 17:41:03,068 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 151 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-12-16 17:41:03,068 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 71 states.
[2023-12-16 17:41:03,073 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71.
[2023-12-16 17:41:03,073 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 71 states, 48 states have (on average 1.4583333333333333) internal successors, (70), 58 states have internal predecessors, (70), 14 states have call successors, (14), 8 states have call predecessors, (14), 8 states have return successors, (14), 9 states have call predecessors, (14), 14 states have call successors, (14)
[2023-12-16 17:41:03,074 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 98 transitions.
[2023-12-16 17:41:03,074 INFO  L78                 Accepts]: Start accepts. Automaton has 71 states and 98 transitions. Word has length 18
[2023-12-16 17:41:03,074 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-16 17:41:03,074 INFO  L495      AbstractCegarLoop]: Abstraction has 71 states and 98 transitions.
[2023-12-16 17:41:03,074 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2023-12-16 17:41:03,074 INFO  L276                IsEmpty]: Start isEmpty. Operand 71 states and 98 transitions.
[2023-12-16 17:41:03,075 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 22
[2023-12-16 17:41:03,075 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-16 17:41:03,075 INFO  L195           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-12-16 17:41:03,082 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0
[2023-12-16 17:41:03,276 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2023-12-16 17:41:03,277 INFO  L420      AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-16 17:41:03,278 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-16 17:41:03,278 INFO  L85        PathProgramCache]: Analyzing trace with hash 1294260978, now seen corresponding path program 1 times
[2023-12-16 17:41:03,278 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-12-16 17:41:03,278 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1142078610]
[2023-12-16 17:41:03,278 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-16 17:41:03,278 INFO  L173          SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2023-12-16 17:41:03,278 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2023-12-16 17:41:03,279 INFO  L229       MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2023-12-16 17:41:03,280 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process
[2023-12-16 17:41:03,316 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-16 17:41:03,317 INFO  L262         TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 2 conjunts are in the unsatisfiable core
[2023-12-16 17:41:03,321 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-16 17:41:03,345 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-12-16 17:41:03,345 INFO  L323         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-12-16 17:41:03,345 INFO  L136   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2023-12-16 17:41:03,346 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1142078610]
[2023-12-16 17:41:03,346 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [1142078610] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-16 17:41:03,346 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-12-16 17:41:03,346 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-12-16 17:41:03,346 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [883629222]
[2023-12-16 17:41:03,346 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-16 17:41:03,346 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-12-16 17:41:03,346 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2023-12-16 17:41:03,347 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-12-16 17:41:03,347 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-12-16 17:41:03,347 INFO  L87              Difference]: Start difference. First operand 71 states and 98 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)
[2023-12-16 17:41:03,385 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-16 17:41:03,386 INFO  L93              Difference]: Finished difference Result 209 states and 291 transitions.
[2023-12-16 17:41:03,386 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-12-16 17:41:03,386 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
[2023-12-16 17:41:03,386 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-16 17:41:03,387 INFO  L225             Difference]: With dead ends: 209
[2023-12-16 17:41:03,387 INFO  L226             Difference]: Without dead ends: 140
[2023-12-16 17:41:03,388 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-12-16 17:41:03,389 INFO  L413           NwaCegarLoop]: 95 mSDtfsCounter, 85 mSDsluCounter, 82 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 85 SdHoareTripleChecker+Valid, 177 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2023-12-16 17:41:03,389 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [85 Valid, 177 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-12-16 17:41:03,390 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 140 states.
[2023-12-16 17:41:03,406 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 137.
[2023-12-16 17:41:03,407 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 137 states, 92 states have (on average 1.4673913043478262) internal successors, (135), 111 states have internal predecessors, (135), 28 states have call successors, (28), 16 states have call predecessors, (28), 16 states have return successors, (28), 17 states have call predecessors, (28), 28 states have call successors, (28)
[2023-12-16 17:41:03,408 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 191 transitions.
[2023-12-16 17:41:03,409 INFO  L78                 Accepts]: Start accepts. Automaton has 137 states and 191 transitions. Word has length 21
[2023-12-16 17:41:03,409 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-16 17:41:03,409 INFO  L495      AbstractCegarLoop]: Abstraction has 137 states and 191 transitions.
[2023-12-16 17:41:03,409 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)
[2023-12-16 17:41:03,409 INFO  L276                IsEmpty]: Start isEmpty. Operand 137 states and 191 transitions.
[2023-12-16 17:41:03,410 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 25
[2023-12-16 17:41:03,410 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-16 17:41:03,410 INFO  L195           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-12-16 17:41:03,415 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0
[2023-12-16 17:41:03,610 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2023-12-16 17:41:03,611 INFO  L420      AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-16 17:41:03,611 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-16 17:41:03,611 INFO  L85        PathProgramCache]: Analyzing trace with hash 482057516, now seen corresponding path program 1 times
[2023-12-16 17:41:03,612 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-12-16 17:41:03,616 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [365102878]
[2023-12-16 17:41:03,616 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-16 17:41:03,616 INFO  L173          SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2023-12-16 17:41:03,616 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2023-12-16 17:41:03,617 INFO  L229       MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2023-12-16 17:41:03,619 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process
[2023-12-16 17:41:03,653 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-16 17:41:03,654 INFO  L262         TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 6 conjunts are in the unsatisfiable core
[2023-12-16 17:41:03,656 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-16 17:41:03,713 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-12-16 17:41:03,713 INFO  L323         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-12-16 17:41:03,713 INFO  L136   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2023-12-16 17:41:03,714 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [365102878]
[2023-12-16 17:41:03,714 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [365102878] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-16 17:41:03,714 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-12-16 17:41:03,714 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2023-12-16 17:41:03,714 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2003819152]
[2023-12-16 17:41:03,714 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-16 17:41:03,720 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2023-12-16 17:41:03,720 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2023-12-16 17:41:03,720 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2023-12-16 17:41:03,720 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2023-12-16 17:41:03,721 INFO  L87              Difference]: Start difference. First operand 137 states and 191 transitions. Second operand  has 4 states, 4 states have (on average 5.25) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2023-12-16 17:41:03,820 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-16 17:41:03,821 INFO  L93              Difference]: Finished difference Result 399 states and 576 transitions.
[2023-12-16 17:41:03,821 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2023-12-16 17:41:03,821 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 5.25) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 24
[2023-12-16 17:41:03,822 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-16 17:41:03,829 INFO  L225             Difference]: With dead ends: 399
[2023-12-16 17:41:03,829 INFO  L226             Difference]: Without dead ends: 264
[2023-12-16 17:41:03,835 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2023-12-16 17:41:03,836 INFO  L413           NwaCegarLoop]: 80 mSDtfsCounter, 67 mSDsluCounter, 157 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 237 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
[2023-12-16 17:41:03,837 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 237 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2023-12-16 17:41:03,840 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 264 states.
[2023-12-16 17:41:03,885 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 264 to 262.
[2023-12-16 17:41:03,885 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 262 states, 175 states have (on average 1.4342857142857144) internal successors, (251), 210 states have internal predecessors, (251), 56 states have call successors, (56), 32 states have call predecessors, (56), 30 states have return successors, (58), 32 states have call predecessors, (58), 56 states have call successors, (58)
[2023-12-16 17:41:03,890 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 262 states and 365 transitions.
[2023-12-16 17:41:03,890 INFO  L78                 Accepts]: Start accepts. Automaton has 262 states and 365 transitions. Word has length 24
[2023-12-16 17:41:03,890 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-16 17:41:03,890 INFO  L495      AbstractCegarLoop]: Abstraction has 262 states and 365 transitions.
[2023-12-16 17:41:03,890 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 5.25) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2023-12-16 17:41:03,890 INFO  L276                IsEmpty]: Start isEmpty. Operand 262 states and 365 transitions.
[2023-12-16 17:41:03,892 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 29
[2023-12-16 17:41:03,892 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-16 17:41:03,892 INFO  L195           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-12-16 17:41:03,902 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0
[2023-12-16 17:41:04,099 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2023-12-16 17:41:04,099 INFO  L420      AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-16 17:41:04,100 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-16 17:41:04,100 INFO  L85        PathProgramCache]: Analyzing trace with hash 75733778, now seen corresponding path program 1 times
[2023-12-16 17:41:04,100 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-12-16 17:41:04,100 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [309297808]
[2023-12-16 17:41:04,100 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-16 17:41:04,100 INFO  L173          SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2023-12-16 17:41:04,101 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2023-12-16 17:41:04,129 INFO  L229       MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2023-12-16 17:41:04,134 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process
[2023-12-16 17:41:04,184 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-12-16 17:41:04,185 INFO  L356             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2023-12-16 17:41:04,201 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-12-16 17:41:04,240 INFO  L130   FreeRefinementEngine]: Strategy WOLF found a feasible trace
[2023-12-16 17:41:04,240 INFO  L360         BasicCegarLoop]: Counterexample is feasible
[2023-12-16 17:41:04,241 INFO  L805   garLoopResultBuilder]: Registering result UNSAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining)
[2023-12-16 17:41:04,249 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0
[2023-12-16 17:41:04,447 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2023-12-16 17:41:04,449 INFO  L445         BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1]
[2023-12-16 17:41:04,452 INFO  L179   ceAbstractionStarter]: Computing trace abstraction results
[2023-12-16 17:41:04,491 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.12 05:41:04 BoogieIcfgContainer
[2023-12-16 17:41:04,491 INFO  L131        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2023-12-16 17:41:04,492 INFO  L158              Benchmark]: Toolchain (without parser) took 2901.74ms. Allocated memory was 181.4MB in the beginning and 230.7MB in the end (delta: 49.3MB). Free memory was 130.5MB in the beginning and 183.8MB in the end (delta: -53.3MB). There was no memory consumed. Max. memory is 8.0GB.
[2023-12-16 17:41:04,492 INFO  L158              Benchmark]: CDTParser took 0.12ms. Allocated memory is still 181.4MB. Free memory is still 134.3MB. There was no memory consumed. Max. memory is 8.0GB.
[2023-12-16 17:41:04,492 INFO  L158              Benchmark]: CACSL2BoogieTranslator took 325.56ms. Allocated memory is still 181.4MB. Free memory was 130.2MB in the beginning and 103.6MB in the end (delta: 26.6MB). Peak memory consumption was 27.3MB. Max. memory is 8.0GB.
[2023-12-16 17:41:04,492 INFO  L158              Benchmark]: Boogie Procedure Inliner took 32.94ms. Allocated memory is still 181.4MB. Free memory was 103.6MB in the beginning and 101.2MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB.
[2023-12-16 17:41:04,493 INFO  L158              Benchmark]: Boogie Preprocessor took 60.44ms. Allocated memory is still 181.4MB. Free memory was 101.2MB in the beginning and 98.8MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB.
[2023-12-16 17:41:04,493 INFO  L158              Benchmark]: RCFGBuilder took 386.22ms. Allocated memory is still 181.4MB. Free memory was 98.8MB in the beginning and 127.5MB in the end (delta: -28.7MB). Peak memory consumption was 13.1MB. Max. memory is 8.0GB.
[2023-12-16 17:41:04,493 INFO  L158              Benchmark]: TraceAbstraction took 2092.71ms. Allocated memory was 181.4MB in the beginning and 230.7MB in the end (delta: 49.3MB). Free memory was 127.0MB in the beginning and 183.8MB in the end (delta: -56.8MB). There was no memory consumed. Max. memory is 8.0GB.
[2023-12-16 17:41:04,494 INFO  L338   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.12ms. Allocated memory is still 181.4MB. Free memory is still 134.3MB. There was no memory consumed. Max. memory is 8.0GB.
 * CACSL2BoogieTranslator took 325.56ms. Allocated memory is still 181.4MB. Free memory was 130.2MB in the beginning and 103.6MB in the end (delta: 26.6MB). Peak memory consumption was 27.3MB. Max. memory is 8.0GB.
 * Boogie Procedure Inliner took 32.94ms. Allocated memory is still 181.4MB. Free memory was 103.6MB in the beginning and 101.2MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB.
 * Boogie Preprocessor took 60.44ms. Allocated memory is still 181.4MB. Free memory was 101.2MB in the beginning and 98.8MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB.
 * RCFGBuilder took 386.22ms. Allocated memory is still 181.4MB. Free memory was 98.8MB in the beginning and 127.5MB in the end (delta: -28.7MB). Peak memory consumption was 13.1MB. Max. memory is 8.0GB.
 * TraceAbstraction took 2092.71ms. Allocated memory was 181.4MB in the beginning and 230.7MB in the end (delta: 49.3MB). Free memory was 127.0MB in the beginning and 183.8MB in the end (delta: -56.8MB). There was no memory consumed. Max. memory is 8.0GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator:
  - GenericResultAtLocation [Line: 49]: Unsoundness Warning
    Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [49]
  - GenericResultAtLocation [Line: 87]: Unsoundness Warning
    Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [87]
  - GenericResultAtLocation [Line: 198]: Unsoundness Warning
    Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [198]
  - GenericResultAtLocation [Line: 207]: Unsoundness Warning
    Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [207]
  - GenericResultAtLocation [Line: 573]: Unsoundness Warning
    Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [573]
  - GenericResultAtLocation [Line: 672]: Unsoundness Warning
    Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [672]
  - GenericResultAtLocation [Line: 915]: Unsoundness Warning
    Ignoring preprocessor pragma C: #pragma merger(0,"Specification3_spec.i","") [915]
  - GenericResultAtLocation [Line: 949]: Unsoundness Warning
    Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [949]
 * 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: 203]: a call to reach_error is reachable
    a call to reach_error is reachable
We found a FailurePath: 
[L96]                int waterLevel  =    1;
[L97]                int methaneLevelCritical  =    0;
[L377]               static struct __ACC__ERR *head  =    (struct __ACC__ERR *)0;
[L574]               int cleanupTimeShifts  =    4;
[L677]               int pumpRunning  =    0;
[L678]               int systemActive  =    1;
[L650]               int retValue_acc ;
[L651]               int tmp ;
[L655]   FCALL       select_helpers()
[L656]   FCALL       select_features()
[L657]   CALL, EXPR  valid_product()
[L79]                int retValue_acc ;
[L82]                retValue_acc = 1
[L83]                return (retValue_acc);
[L657]   RET, EXPR   valid_product()
[L657]               tmp = valid_product()
[L659]   COND TRUE   \read(tmp)
[L661]   FCALL       setup()
[L662]   CALL        runTest()
[L644]   CALL        test()
[L951]               int splverifierCounter ;
[L952]               int tmp ;
[L953]               int tmp___0 ;
[L954]               int tmp___1 ;
[L955]               int tmp___2 ;
[L958]               splverifierCounter = 0
         VAL         [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1]
[L960]   COND TRUE   1
         VAL         [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1]
[L962]   COND TRUE   splverifierCounter < 4
[L968]               tmp = __VERIFIER_nondet_int()
[L970]   COND TRUE   \read(tmp)
         VAL         [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=2, waterLevel=1]
[L972]   CALL        waterRise()
         VAL         [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L114]   COND TRUE   waterLevel < 2
[L115]               waterLevel = waterLevel + 1
         VAL         [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L972]   RET         waterRise()
         VAL         [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=2, waterLevel=2]
[L978]               tmp___0 = __VERIFIER_nondet_int()
[L980]   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]
[L988]               tmp___2 = __VERIFIER_nondet_int()
[L990]   COND FALSE  !(\read(tmp___2))
[L994]               tmp___1 = __VERIFIER_nondet_int()
[L996]   COND TRUE   \read(tmp___1)
[L998]   CALL        stopSystem()
[L904]   COND FALSE  !(\read(pumpRunning))
         VAL         [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L911]               systemActive = 0
[L998]   RET         stopSystem()
[L1005]  CALL        timeShift()
         VAL         [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2]
[L685]   COND FALSE  !(\read(pumpRunning))
         VAL         [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2]
[L692]   COND FALSE  !(\read(systemActive))
         VAL         [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2]
[L700]   CALL        __utac_acc__Specification3_spec__1()
[L917]               int tmp ;
[L918]               int tmp___0 ;
[L919]               int tmp___1 ;
         VAL         [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2]
[L923]   CALL, EXPR  isMethaneLevelCritical()
         VAL         [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2]
[L135]               int retValue_acc ;
[L138]               retValue_acc = methaneLevelCritical
[L139]               return (retValue_acc);
[L923]   RET, EXPR   isMethaneLevelCritical()
         VAL         [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2]
[L923]               tmp = isMethaneLevelCritical()
[L925]   COND FALSE  !(\read(tmp))
[L929]   CALL, EXPR  getWaterLevel()
[L167]               int retValue_acc ;
[L170]               retValue_acc = waterLevel
[L171]               return (retValue_acc);
[L929]   RET, EXPR   getWaterLevel()
[L929]               tmp___0 = getWaterLevel()
[L931]   COND TRUE   tmp___0 == 2
[L933]   CALL, EXPR  isPumpRunning()
[L818]               int retValue_acc ;
[L821]               retValue_acc = pumpRunning
[L822]               return (retValue_acc);
[L933]   RET, EXPR   isPumpRunning()
[L933]               tmp___1 = isPumpRunning()
[L935]   COND FALSE  !(\read(tmp___1))
[L939]   CALL        __automaton_fail()
[L203]               reach_error()
         VAL         [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2]

  - StatisticsResult: Ultimate Automizer benchmark data
    CFG has 10 procedures, 84 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, 170 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 166 mSDsluCounter, 663 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 306 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 131 IncrementalHoareTripleChecker+Invalid, 134 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 357 mSDtfsCounter, 131 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=262occurred 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!
[2023-12-16 17:41:04,511 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...