/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_product05.cil.c


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


This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m
[2023-12-16 17:40:27,047 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2023-12-16 17:40:27,118 INFO  L114        SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf
[2023-12-16 17:40:27,122 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2023-12-16 17:40:27,123 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2023-12-16 17:40:27,146 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2023-12-16 17:40:27,146 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2023-12-16 17:40:27,147 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2023-12-16 17:40:27,147 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2023-12-16 17:40:27,150 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2023-12-16 17:40:27,150 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2023-12-16 17:40:27,151 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2023-12-16 17:40:27,151 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2023-12-16 17:40:27,152 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2023-12-16 17:40:27,152 INFO  L153        SettingsManager]:  * Use SBE=true
[2023-12-16 17:40:27,153 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-12-16 17:40:27,153 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2023-12-16 17:40:27,153 INFO  L153        SettingsManager]:  * sizeof long=4
[2023-12-16 17:40:27,153 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2023-12-16 17:40:27,153 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2023-12-16 17:40:27,154 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2023-12-16 17:40:27,154 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2023-12-16 17:40:27,154 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2023-12-16 17:40:27,155 INFO  L153        SettingsManager]:  * Adapt memory model on pointer casts if necessary=true
[2023-12-16 17:40:27,155 INFO  L153        SettingsManager]:  * Use bitvectors instead of ints=true
[2023-12-16 17:40:27,155 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2023-12-16 17:40:27,155 INFO  L153        SettingsManager]:  * Memory model=HoenickeLindenmann_4ByteResolution
[2023-12-16 17:40:27,155 INFO  L153        SettingsManager]:  * sizeof long double=12
[2023-12-16 17:40:27,155 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2023-12-16 17:40:27,155 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2023-12-16 17:40:27,156 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-12-16 17:40:27,156 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2023-12-16 17:40:27,156 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2023-12-16 17:40:27,157 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2023-12-16 17:40:27,157 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2023-12-16 17:40:27,157 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-12-16 17:40:27,157 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2023-12-16 17:40:27,157 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2023-12-16 17:40:27,158 INFO  L153        SettingsManager]:  * Trace refinement strategy=WOLF
[2023-12-16 17:40:27,158 INFO  L153        SettingsManager]:  * Command for external solver=cvc4 --incremental --print-success --lang smt
[2023-12-16 17:40:27,158 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2023-12-16 17:40:27,158 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2023-12-16 17:40:27,158 INFO  L153        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2023-12-16 17:40:27,158 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2023-12-16 17:40:27,159 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2023-12-16 17:40:27,159 INFO  L153        SettingsManager]:  * Logic for external solver=AUFBV
[2023-12-16 17:40:27,159 INFO  L153        SettingsManager]:  * Looper check in Petri net analysis=SEMANTIC
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int)
WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
[2023-12-16 17:40:27,353 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2023-12-16 17:40:27,371 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-12-16 17:40:27,374 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-12-16 17:40:27,374 INFO  L270        PluginConnector]: Initializing CDTParser...
[2023-12-16 17:40:27,375 INFO  L274        PluginConnector]: CDTParser initialized
[2023-12-16 17:40:27,376 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product05.cil.c
[2023-12-16 17:40:28,548 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2023-12-16 17:40:28,729 INFO  L384              CDTParser]: Found 1 translation units.
[2023-12-16 17:40:28,729 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec3_product05.cil.c
[2023-12-16 17:40:28,738 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2c7b0e3c7/da4c4349b3c149198599a5dc4caaaea1/FLAGb6e18319c
[2023-12-16 17:40:28,747 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2c7b0e3c7/da4c4349b3c149198599a5dc4caaaea1
[2023-12-16 17:40:28,748 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-12-16 17:40:28,749 INFO  L133        ToolchainWalker]: Walking toolchain with 5 elements.
[2023-12-16 17:40:28,750 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-12-16 17:40:28,750 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-12-16 17:40:28,753 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2023-12-16 17:40:28,753 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 05:40:28" (1/1) ...
[2023-12-16 17:40:28,754 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49f6a5bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:40:28, skipping insertion in model container
[2023-12-16 17:40:28,754 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 05:40:28" (1/1) ...
[2023-12-16 17:40:28,781 INFO  L177         MainTranslator]: Built tables and reachable declarations
[2023-12-16 17:40:28,879 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_product05.cil.c[2141,2154]
[2023-12-16 17:40:28,927 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-12-16 17:40:28,936 INFO  L199         MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution]
[2023-12-16 17:40:28,941 INFO  L177         MainTranslator]: Built tables and reachable declarations
[2023-12-16 17:40:28,945 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_product05.cil.c[2141,2154]
[2023-12-16 17:40:28,984 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-12-16 17:40:28,989 INFO  L202         MainTranslator]: Completed pre-run
[2023-12-16 17:40:28,995 WARN  L75    lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [49]
[2023-12-16 17:40:28,996 WARN  L75    lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [87]
[2023-12-16 17:40:28,997 WARN  L75    lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [96]
[2023-12-16 17:40:28,997 WARN  L75    lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [238]
[2023-12-16 17:40:28,997 WARN  L75    lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [306]
[2023-12-16 17:40:28,997 WARN  L75    lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [402]
[2023-12-16 17:40:28,997 WARN  L75    lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [768]
[2023-12-16 17:40:28,997 WARN  L75    lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification3_spec.i","") [849]
[2023-12-16 17:40:29,001 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_product05.cil.c[2141,2154]
[2023-12-16 17:40:29,026 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-12-16 17:40:29,038 INFO  L206         MainTranslator]: Completed translation
[2023-12-16 17:40:29,039 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:40:29 WrapperNode
[2023-12-16 17:40:29,039 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-12-16 17:40:29,040 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2023-12-16 17:40:29,040 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2023-12-16 17:40:29,040 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2023-12-16 17:40:29,044 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:40:29" (1/1) ...
[2023-12-16 17:40:29,053 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:40:29" (1/1) ...
[2023-12-16 17:40:29,067 INFO  L138                Inliner]: procedures = 52, calls = 93, calls flagged for inlining = 19, calls inlined = 16, statements flattened = 150
[2023-12-16 17:40:29,068 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2023-12-16 17:40:29,068 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2023-12-16 17:40:29,068 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2023-12-16 17:40:29,068 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2023-12-16 17:40:29,076 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:40:29" (1/1) ...
[2023-12-16 17:40:29,076 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:40:29" (1/1) ...
[2023-12-16 17:40:29,078 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:40:29" (1/1) ...
[2023-12-16 17:40:29,086 INFO  L175           MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0].
[2023-12-16 17:40:29,087 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:40:29" (1/1) ...
[2023-12-16 17:40:29,087 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:40:29" (1/1) ...
[2023-12-16 17:40:29,091 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:40:29" (1/1) ...
[2023-12-16 17:40:29,094 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:40:29" (1/1) ...
[2023-12-16 17:40:29,095 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:40:29" (1/1) ...
[2023-12-16 17:40:29,095 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:40:29" (1/1) ...
[2023-12-16 17:40:29,113 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2023-12-16 17:40:29,114 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2023-12-16 17:40:29,114 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2023-12-16 17:40:29,114 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2023-12-16 17:40:29,115 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:40:29" (1/1) ...
[2023-12-16 17:40:29,118 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2023-12-16 17:40:29,125 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2023-12-16 17:40:29,145 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2023-12-16 17:40:29,181 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2023-12-16 17:40:29,185 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2023-12-16 17:40:29,185 INFO  L130     BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base
[2023-12-16 17:40:29,185 INFO  L138     BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base
[2023-12-16 17:40:29,186 INFO  L130     BoogieDeclarations]: Found specification of procedure cleanup
[2023-12-16 17:40:29,186 INFO  L138     BoogieDeclarations]: Found implementation of procedure cleanup
[2023-12-16 17:40:29,186 INFO  L130     BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical
[2023-12-16 17:40:29,186 INFO  L138     BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical
[2023-12-16 17:40:29,186 INFO  L130     BoogieDeclarations]: Found specification of procedure timeShift
[2023-12-16 17:40:29,186 INFO  L138     BoogieDeclarations]: Found implementation of procedure timeShift
[2023-12-16 17:40:29,186 INFO  L130     BoogieDeclarations]: Found specification of procedure waterRise
[2023-12-16 17:40:29,186 INFO  L138     BoogieDeclarations]: Found implementation of procedure waterRise
[2023-12-16 17:40:29,186 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0
[2023-12-16 17:40:29,187 INFO  L130     BoogieDeclarations]: Found specification of procedure changeMethaneLevel
[2023-12-16 17:40:29,188 INFO  L138     BoogieDeclarations]: Found implementation of procedure changeMethaneLevel
[2023-12-16 17:40:29,188 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2023-12-16 17:40:29,188 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2023-12-16 17:40:29,243 INFO  L241             CfgBuilder]: Building ICFG
[2023-12-16 17:40:29,245 INFO  L267             CfgBuilder]: Building CFG for each procedure with an implementation
[2023-12-16 17:40:29,392 INFO  L282             CfgBuilder]: Performing block encoding
[2023-12-16 17:40:29,466 INFO  L304             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2023-12-16 17:40:29,466 INFO  L309             CfgBuilder]: Removed 2 assume(true) statements.
[2023-12-16 17:40:29,467 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 05:40:29 BoogieIcfgContainer
[2023-12-16 17:40:29,467 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2023-12-16 17:40:29,468 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2023-12-16 17:40:29,468 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2023-12-16 17:40:29,480 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2023-12-16 17:40:29,481 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.12 05:40:28" (1/3) ...
[2023-12-16 17:40:29,481 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a702497 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 05:40:29, skipping insertion in model container
[2023-12-16 17:40:29,481 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:40:29" (2/3) ...
[2023-12-16 17:40:29,481 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a702497 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 05:40:29, skipping insertion in model container
[2023-12-16 17:40:29,481 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 05:40:29" (3/3) ...
[2023-12-16 17:40:29,482 INFO  L112   eAbstractionObserver]: Analyzing ICFG minepump_spec3_product05.cil.c
[2023-12-16 17:40:29,493 INFO  L204   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2023-12-16 17:40:29,493 INFO  L163   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2023-12-16 17:40:29,518 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2023-12-16 17:40:29,522 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;@7a1b5f49, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2023-12-16 17:40:29,522 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2023-12-16 17:40:29,526 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 57 states, 39 states have (on average 1.564102564102564) internal successors, (61), 45 states have internal predecessors, (61), 10 states have call successors, (10), 6 states have call predecessors, (10), 6 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10)
[2023-12-16 17:40:29,531 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 18
[2023-12-16 17:40:29,531 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-16 17:40:29,531 INFO  L195           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-12-16 17:40:29,532 INFO  L420      AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-16 17:40:29,542 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-16 17:40:29,543 INFO  L85        PathProgramCache]: Analyzing trace with hash 520284164, now seen corresponding path program 1 times
[2023-12-16 17:40:29,552 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-12-16 17:40:29,552 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [109066868]
[2023-12-16 17:40:29,552 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-16 17:40:29,553 INFO  L173          SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2023-12-16 17:40:29,553 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2023-12-16 17:40:29,555 INFO  L229       MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2023-12-16 17:40:29,583 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process
[2023-12-16 17:40:29,630 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-16 17:40:29,632 INFO  L262         TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 1 conjunts are in the unsatisfiable core
[2023-12-16 17:40:29,637 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-16 17:40:29,657 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-12-16 17:40:29,658 INFO  L323         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-12-16 17:40:29,658 INFO  L136   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2023-12-16 17:40:29,658 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [109066868]
[2023-12-16 17:40:29,659 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [109066868] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-16 17:40:29,659 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-12-16 17:40:29,659 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-12-16 17:40:29,660 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [553257269]
[2023-12-16 17:40:29,661 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-16 17:40:29,663 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2023-12-16 17:40:29,664 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2023-12-16 17:40:29,685 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2023-12-16 17:40:29,686 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2023-12-16 17:40:29,687 INFO  L87              Difference]: Start difference. First operand  has 57 states, 39 states have (on average 1.564102564102564) internal successors, (61), 45 states have internal predecessors, (61), 10 states have call successors, (10), 6 states have call predecessors, (10), 6 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) Second operand  has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2023-12-16 17:40:29,729 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-16 17:40:29,729 INFO  L93              Difference]: Finished difference Result 112 states and 163 transitions.
[2023-12-16 17:40:29,730 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-12-16 17:40:29,731 INFO  L78                 Accepts]: Start accepts. Automaton has  has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 17
[2023-12-16 17:40:29,732 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-16 17:40:29,738 INFO  L225             Difference]: With dead ends: 112
[2023-12-16 17:40:29,738 INFO  L226             Difference]: Without dead ends: 52
[2023-12-16 17:40:29,744 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2023-12-16 17:40:29,746 INFO  L413           NwaCegarLoop]: 64 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 64 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2023-12-16 17:40:29,747 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 64 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-12-16 17:40:29,760 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 52 states.
[2023-12-16 17:40:29,775 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52.
[2023-12-16 17:40:29,776 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 52 states, 36 states have (on average 1.4166666666666667) internal successors, (51), 41 states have internal predecessors, (51), 10 states have call successors, (10), 6 states have call predecessors, (10), 5 states have return successors, (9), 8 states have call predecessors, (9), 9 states have call successors, (9)
[2023-12-16 17:40:29,780 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 70 transitions.
[2023-12-16 17:40:29,781 INFO  L78                 Accepts]: Start accepts. Automaton has 52 states and 70 transitions. Word has length 17
[2023-12-16 17:40:29,781 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-16 17:40:29,781 INFO  L495      AbstractCegarLoop]: Abstraction has 52 states and 70 transitions.
[2023-12-16 17:40:29,782 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2023-12-16 17:40:29,782 INFO  L276                IsEmpty]: Start isEmpty. Operand 52 states and 70 transitions.
[2023-12-16 17:40:29,784 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 19
[2023-12-16 17:40:29,785 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-16 17:40:29,785 INFO  L195           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-12-16 17:40:29,788 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0
[2023-12-16 17:40:29,987 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2023-12-16 17:40:29,987 INFO  L420      AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-16 17:40:29,988 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-16 17:40:29,988 INFO  L85        PathProgramCache]: Analyzing trace with hash -1325341402, now seen corresponding path program 1 times
[2023-12-16 17:40:29,988 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-12-16 17:40:29,988 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1133201916]
[2023-12-16 17:40:29,989 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-16 17:40:29,989 INFO  L173          SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2023-12-16 17:40:29,989 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2023-12-16 17:40:30,004 INFO  L229       MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2023-12-16 17:40:30,024 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process
[2023-12-16 17:40:30,057 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-16 17:40:30,058 INFO  L262         TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 2 conjunts are in the unsatisfiable core
[2023-12-16 17:40:30,059 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-16 17:40:30,073 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-12-16 17:40:30,074 INFO  L323         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-12-16 17:40:30,074 INFO  L136   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2023-12-16 17:40:30,074 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1133201916]
[2023-12-16 17:40:30,074 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [1133201916] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-16 17:40:30,074 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-12-16 17:40:30,074 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2023-12-16 17:40:30,074 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2081618944]
[2023-12-16 17:40:30,074 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-16 17:40:30,075 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-12-16 17:40:30,075 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2023-12-16 17:40:30,075 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-12-16 17:40:30,076 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-12-16 17:40:30,076 INFO  L87              Difference]: Start difference. First operand 52 states and 70 transitions. Second operand  has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2023-12-16 17:40:30,096 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-16 17:40:30,096 INFO  L93              Difference]: Finished difference Result 77 states and 103 transitions.
[2023-12-16 17:40:30,096 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-12-16 17:40:30,096 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 18
[2023-12-16 17:40:30,096 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-16 17:40:30,097 INFO  L225             Difference]: With dead ends: 77
[2023-12-16 17:40:30,097 INFO  L226             Difference]: Without dead ends: 44
[2023-12-16 17:40:30,097 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-12-16 17:40:30,098 INFO  L413           NwaCegarLoop]: 50 mSDtfsCounter, 11 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 86 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2023-12-16 17:40:30,099 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 86 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-12-16 17:40:30,099 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 44 states.
[2023-12-16 17:40:30,102 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44.
[2023-12-16 17:40:30,102 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 44 states, 31 states have (on average 1.4516129032258065) internal successors, (45), 36 states have internal predecessors, (45), 7 states have call successors, (7), 5 states have call predecessors, (7), 5 states have return successors, (7), 6 states have call predecessors, (7), 7 states have call successors, (7)
[2023-12-16 17:40:30,103 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 59 transitions.
[2023-12-16 17:40:30,103 INFO  L78                 Accepts]: Start accepts. Automaton has 44 states and 59 transitions. Word has length 18
[2023-12-16 17:40:30,103 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-16 17:40:30,103 INFO  L495      AbstractCegarLoop]: Abstraction has 44 states and 59 transitions.
[2023-12-16 17:40:30,103 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2023-12-16 17:40:30,103 INFO  L276                IsEmpty]: Start isEmpty. Operand 44 states and 59 transitions.
[2023-12-16 17:40:30,103 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 22
[2023-12-16 17:40:30,104 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-16 17:40:30,104 INFO  L195           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-12-16 17:40:30,106 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0
[2023-12-16 17:40:30,306 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2023-12-16 17:40:30,306 INFO  L420      AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-16 17:40:30,306 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-16 17:40:30,307 INFO  L85        PathProgramCache]: Analyzing trace with hash 1273503039, now seen corresponding path program 1 times
[2023-12-16 17:40:30,307 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-12-16 17:40:30,307 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1095112362]
[2023-12-16 17:40:30,307 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-16 17:40:30,307 INFO  L173          SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2023-12-16 17:40:30,307 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2023-12-16 17:40:30,308 INFO  L229       MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2023-12-16 17:40:30,330 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process
[2023-12-16 17:40:30,339 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-16 17:40:30,340 INFO  L262         TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 2 conjunts are in the unsatisfiable core
[2023-12-16 17:40:30,341 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-16 17:40:30,358 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-12-16 17:40:30,358 INFO  L323         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-12-16 17:40:30,358 INFO  L136   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2023-12-16 17:40:30,358 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1095112362]
[2023-12-16 17:40:30,358 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [1095112362] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-16 17:40:30,358 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-12-16 17:40:30,359 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-12-16 17:40:30,359 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [245221295]
[2023-12-16 17:40:30,359 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-16 17:40:30,359 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-12-16 17:40:30,359 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2023-12-16 17:40:30,359 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-12-16 17:40:30,360 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-12-16 17:40:30,360 INFO  L87              Difference]: Start difference. First operand 44 states and 59 transitions. Second operand  has 3 states, 3 states have (on average 6.0) internal successors, (18), 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 17:40:30,375 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-16 17:40:30,375 INFO  L93              Difference]: Finished difference Result 86 states and 117 transitions.
[2023-12-16 17:40:30,375 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-12-16 17:40:30,375 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 17:40:30,375 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-16 17:40:30,376 INFO  L225             Difference]: With dead ends: 86
[2023-12-16 17:40:30,376 INFO  L226             Difference]: Without dead ends: 44
[2023-12-16 17:40:30,376 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-12-16 17:40:30,377 INFO  L413           NwaCegarLoop]: 48 mSDtfsCounter, 47 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 48 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2023-12-16 17:40:30,377 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 48 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-12-16 17:40:30,378 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 44 states.
[2023-12-16 17:40:30,381 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44.
[2023-12-16 17:40:30,381 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 44 states, 31 states have (on average 1.4193548387096775) internal successors, (44), 36 states have internal predecessors, (44), 7 states have call successors, (7), 5 states have call predecessors, (7), 5 states have return successors, (7), 6 states have call predecessors, (7), 7 states have call successors, (7)
[2023-12-16 17:40:30,382 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 58 transitions.
[2023-12-16 17:40:30,382 INFO  L78                 Accepts]: Start accepts. Automaton has 44 states and 58 transitions. Word has length 21
[2023-12-16 17:40:30,382 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-16 17:40:30,382 INFO  L495      AbstractCegarLoop]: Abstraction has 44 states and 58 transitions.
[2023-12-16 17:40:30,382 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 17:40:30,382 INFO  L276                IsEmpty]: Start isEmpty. Operand 44 states and 58 transitions.
[2023-12-16 17:40:30,382 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 27
[2023-12-16 17:40:30,383 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-16 17:40:30,383 INFO  L195           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-12-16 17:40:30,385 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0
[2023-12-16 17:40:30,584 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2023-12-16 17:40:30,585 INFO  L420      AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-16 17:40:30,585 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-16 17:40:30,585 INFO  L85        PathProgramCache]: Analyzing trace with hash -5589966, now seen corresponding path program 1 times
[2023-12-16 17:40:30,586 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-12-16 17:40:30,586 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1522445442]
[2023-12-16 17:40:30,586 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-16 17:40:30,586 INFO  L173          SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2023-12-16 17:40:30,586 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2023-12-16 17:40:30,587 INFO  L229       MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2023-12-16 17:40:30,601 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process
[2023-12-16 17:40:30,629 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-16 17:40:30,630 INFO  L262         TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 6 conjunts are in the unsatisfiable core
[2023-12-16 17:40:30,632 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-16 17:40:30,681 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-12-16 17:40:30,681 INFO  L323         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-12-16 17:40:30,681 INFO  L136   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2023-12-16 17:40:30,681 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1522445442]
[2023-12-16 17:40:30,681 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [1522445442] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-16 17:40:30,681 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-12-16 17:40:30,682 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2023-12-16 17:40:30,682 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1322357899]
[2023-12-16 17:40:30,682 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-16 17:40:30,684 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2023-12-16 17:40:30,684 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2023-12-16 17:40:30,685 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2023-12-16 17:40:30,685 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2023-12-16 17:40:30,685 INFO  L87              Difference]: Start difference. First operand 44 states and 58 transitions. Second operand  has 4 states, 4 states have (on average 5.25) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2023-12-16 17:40:30,762 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-16 17:40:30,763 INFO  L93              Difference]: Finished difference Result 123 states and 169 transitions.
[2023-12-16 17:40:30,763 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2023-12-16 17:40:30,763 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 5.25) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 26
[2023-12-16 17:40:30,764 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-16 17:40:30,764 INFO  L225             Difference]: With dead ends: 123
[2023-12-16 17:40:30,765 INFO  L226             Difference]: Without dead ends: 81
[2023-12-16 17:40:30,765 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2023-12-16 17:40:30,766 INFO  L413           NwaCegarLoop]: 46 mSDtfsCounter, 26 mSDsluCounter, 90 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 136 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2023-12-16 17:40:30,766 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 136 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-12-16 17:40:30,766 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 81 states.
[2023-12-16 17:40:30,778 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 80.
[2023-12-16 17:40:30,780 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 80 states, 56 states have (on average 1.3928571428571428) internal successors, (78), 64 states have internal predecessors, (78), 14 states have call successors, (14), 10 states have call predecessors, (14), 9 states have return successors, (15), 11 states have call predecessors, (15), 14 states have call successors, (15)
[2023-12-16 17:40:30,782 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 107 transitions.
[2023-12-16 17:40:30,782 INFO  L78                 Accepts]: Start accepts. Automaton has 80 states and 107 transitions. Word has length 26
[2023-12-16 17:40:30,782 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-16 17:40:30,782 INFO  L495      AbstractCegarLoop]: Abstraction has 80 states and 107 transitions.
[2023-12-16 17:40:30,783 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 5.25) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2023-12-16 17:40:30,783 INFO  L276                IsEmpty]: Start isEmpty. Operand 80 states and 107 transitions.
[2023-12-16 17:40:30,787 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 31
[2023-12-16 17:40:30,787 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-16 17:40:30,787 INFO  L195           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-12-16 17:40:30,789 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 (5)] Ended with exit code 0
[2023-12-16 17:40:30,989 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2023-12-16 17:40:30,990 INFO  L420      AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-16 17:40:30,990 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-16 17:40:30,990 INFO  L85        PathProgramCache]: Analyzing trace with hash 994294680, now seen corresponding path program 1 times
[2023-12-16 17:40:30,990 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-12-16 17:40:30,990 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1724395896]
[2023-12-16 17:40:30,991 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-16 17:40:30,991 INFO  L173          SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2023-12-16 17:40:30,991 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2023-12-16 17:40:30,993 INFO  L229       MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2023-12-16 17:40:30,993 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process
[2023-12-16 17:40:31,025 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-12-16 17:40:31,026 INFO  L356             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2023-12-16 17:40:31,041 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-12-16 17:40:31,062 INFO  L130   FreeRefinementEngine]: Strategy WOLF found a feasible trace
[2023-12-16 17:40:31,063 INFO  L360         BasicCegarLoop]: Counterexample is feasible
[2023-12-16 17:40:31,063 INFO  L805   garLoopResultBuilder]: Registering result UNSAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining)
[2023-12-16 17:40:31,069 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
[2023-12-16 17:40:31,267 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2023-12-16 17:40:31,269 INFO  L445         BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1]
[2023-12-16 17:40:31,271 INFO  L179   ceAbstractionStarter]: Computing trace abstraction results
[2023-12-16 17:40:31,303 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.12 05:40:31 BoogieIcfgContainer
[2023-12-16 17:40:31,303 INFO  L131        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2023-12-16 17:40:31,304 INFO  L158              Benchmark]: Toolchain (without parser) took 2555.01ms. Allocated memory is still 318.8MB. Free memory was 272.6MB in the beginning and 202.0MB in the end (delta: 70.7MB). Peak memory consumption was 71.5MB. Max. memory is 8.0GB.
[2023-12-16 17:40:31,304 INFO  L158              Benchmark]: CDTParser took 0.48ms. Allocated memory is still 183.5MB. Free memory was 133.7MB in the beginning and 133.5MB in the end (delta: 180.4kB). There was no memory consumed. Max. memory is 8.0GB.
[2023-12-16 17:40:31,304 INFO  L158              Benchmark]: CACSL2BoogieTranslator took 289.59ms. Allocated memory is still 318.8MB. Free memory was 272.4MB in the beginning and 247.4MB in the end (delta: 25.0MB). Peak memory consumption was 25.2MB. Max. memory is 8.0GB.
[2023-12-16 17:40:31,304 INFO  L158              Benchmark]: Boogie Procedure Inliner took 28.18ms. Allocated memory is still 318.8MB. Free memory was 247.4MB in the beginning and 245.4MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB.
[2023-12-16 17:40:31,305 INFO  L158              Benchmark]: Boogie Preprocessor took 45.16ms. Allocated memory is still 318.8MB. Free memory was 245.4MB in the beginning and 243.0MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB.
[2023-12-16 17:40:31,305 INFO  L158              Benchmark]: RCFGBuilder took 352.73ms. Allocated memory is still 318.8MB. Free memory was 243.0MB in the beginning and 281.7MB in the end (delta: -38.6MB). Peak memory consumption was 28.5MB. Max. memory is 8.0GB.
[2023-12-16 17:40:31,305 INFO  L158              Benchmark]: TraceAbstraction took 1835.57ms. Allocated memory is still 318.8MB. Free memory was 281.1MB in the beginning and 202.0MB in the end (delta: 79.2MB). Peak memory consumption was 78.6MB. Max. memory is 8.0GB.
[2023-12-16 17:40:31,306 INFO  L338   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.48ms. Allocated memory is still 183.5MB. Free memory was 133.7MB in the beginning and 133.5MB in the end (delta: 180.4kB). There was no memory consumed. Max. memory is 8.0GB.
 * CACSL2BoogieTranslator took 289.59ms. Allocated memory is still 318.8MB. Free memory was 272.4MB in the beginning and 247.4MB in the end (delta: 25.0MB). Peak memory consumption was 25.2MB. Max. memory is 8.0GB.
 * Boogie Procedure Inliner took 28.18ms. Allocated memory is still 318.8MB. Free memory was 247.4MB in the beginning and 245.4MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB.
 * Boogie Preprocessor took 45.16ms. Allocated memory is still 318.8MB. Free memory was 245.4MB in the beginning and 243.0MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB.
 * RCFGBuilder took 352.73ms. Allocated memory is still 318.8MB. Free memory was 243.0MB in the beginning and 281.7MB in the end (delta: -38.6MB). Peak memory consumption was 28.5MB. Max. memory is 8.0GB.
 * TraceAbstraction took 1835.57ms. Allocated memory is still 318.8MB. Free memory was 281.1MB in the beginning and 202.0MB in the end (delta: 79.2MB). Peak memory consumption was 78.6MB. Max. memory is 8.0GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator:
  - GenericResultAtLocation [Line: 49]: Unsoundness Warning
    Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [49]
  - GenericResultAtLocation [Line: 87]: Unsoundness Warning
    Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [87]
  - GenericResultAtLocation [Line: 96]: Unsoundness Warning
    Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [96]
  - GenericResultAtLocation [Line: 238]: Unsoundness Warning
    Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [238]
  - GenericResultAtLocation [Line: 306]: Unsoundness Warning
    Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [306]
  - GenericResultAtLocation [Line: 402]: Unsoundness Warning
    Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [402]
  - GenericResultAtLocation [Line: 768]: Unsoundness Warning
    Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [768]
  - GenericResultAtLocation [Line: 849]: Unsoundness Warning
    Ignoring preprocessor pragma C: #pragma merger(0,"Specification3_spec.i","") [849]
 * 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: 92]: a call to reach_error is reachable
    a call to reach_error is reachable
We found a FailurePath: 
[L105]              int pumpRunning  =    0;
[L106]              int systemActive  =    1;
[L307]              int cleanupTimeShifts  =    4;
[L572]              static struct __ACC__ERR *head  =    (struct __ACC__ERR *)0;
[L770]              int waterLevel  =    1;
[L771]              int methaneLevelCritical  =    0;
[L380]              int retValue_acc ;
[L381]              int tmp ;
[L385]  FCALL       select_helpers()
[L386]  FCALL       select_features()
[L387]  CALL, EXPR  valid_product()
[L79]               int retValue_acc ;
[L82]               retValue_acc = 1
[L83]               return (retValue_acc);
[L387]  RET, EXPR   valid_product()
[L387]              tmp = valid_product()
[L389]  COND TRUE   \read(tmp)
[L391]  FCALL       setup()
[L392]  CALL        runTest()
[L374]  CALL        test()
[L243]              int splverifierCounter ;
[L244]              int tmp ;
[L245]              int tmp___0 ;
[L246]              int tmp___1 ;
[L247]              int tmp___2 ;
[L250]              splverifierCounter = 0
        VAL         [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1]
[L252]  COND TRUE   1
        VAL         [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1]
[L254]  COND TRUE   splverifierCounter < 4
[L260]              tmp = __VERIFIER_nondet_int()
[L262]  COND TRUE   \read(tmp)
        VAL         [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=2, waterLevel=1]
[L264]  CALL        waterRise()
        VAL         [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L788]  COND TRUE   waterLevel < 2
[L789]              waterLevel = waterLevel + 1
        VAL         [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L264]  RET         waterRise()
        VAL         [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=2, waterLevel=2]
[L270]              tmp___0 = __VERIFIER_nondet_int()
[L272]  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]
[L280]              tmp___2 = __VERIFIER_nondet_int()
[L282]  COND TRUE   \read(tmp___2)
        VAL         [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=2, tmp___0=0, tmp___2=2, waterLevel=2]
[L295]  CALL        timeShift()
        VAL         [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L113]  COND FALSE  !(\read(pumpRunning))
        VAL         [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L120]  COND TRUE   \read(systemActive)
[L122]  CALL        processEnvironment()
[L142]              int tmp ;
        VAL         [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L145]  COND FALSE  !(\read(pumpRunning))
        VAL         [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L160]  FCALL       processEnvironment__wrappee__base()
        VAL         [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L122]  RET         processEnvironment()
[L128]  CALL        __utac_acc__Specification3_spec__1()
[L851]              int tmp ;
[L852]              int tmp___0 ;
[L853]              int tmp___1 ;
        VAL         [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L857]  CALL, EXPR  isMethaneLevelCritical()
        VAL         [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L809]              int retValue_acc ;
[L812]              retValue_acc = methaneLevelCritical
[L813]              return (retValue_acc);
[L857]  RET, EXPR   isMethaneLevelCritical()
        VAL         [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L857]              tmp = isMethaneLevelCritical()
[L859]  COND FALSE  !(\read(tmp))
[L863]  CALL, EXPR  getWaterLevel()
[L841]              int retValue_acc ;
[L844]              retValue_acc = waterLevel
[L845]              return (retValue_acc);
[L863]  RET, EXPR   getWaterLevel()
[L863]              tmp___0 = getWaterLevel()
[L865]  COND TRUE   tmp___0 == 2
[L867]  CALL, EXPR  isPumpRunning()
[L194]              int retValue_acc ;
[L197]              retValue_acc = pumpRunning
[L198]              return (retValue_acc);
[L867]  RET, EXPR   isPumpRunning()
[L867]              tmp___1 = isPumpRunning()
[L869]  COND FALSE  !(\read(tmp___1))
[L873]  CALL        __automaton_fail()
[L92]               reach_error()
        VAL         [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]

  - StatisticsResult: Ultimate Automizer benchmark data
    CFG has 7 procedures, 57 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.8s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 87 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 84 mSDsluCounter, 334 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 126 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 76 IncrementalHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 208 mSDtfsCounter, 76 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 79 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=80occurred in iteration=4, InterpolantAutomatonStates: 12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 112 NumberOfCodeBlocks, 112 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 78 ConstructedInterpolants, 0 QuantifiedInterpolants, 150 SizeOfPredicates, 3 NumberOfNonLiveVariables, 316 ConjunctsInSsa, 11 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
RESULT: Ultimate proved your program to be incorrect!
[2023-12-16 17:40:31,320 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0
Received shutdown request...