./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i --full-output --architecture 32bit


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


Checking for ERROR reachability
Using default analysis
Version 6568ba33
Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/GemCutterReach.xml -i ../../../trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i -s /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) )

 --witnessprinter.graph.data.producer GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e2e7bb75a4a041a1b509d755288a88858836cab5db2230ae4fd0db7ec04fe254
--- Real Ultimate output ---
This is Ultimate 0.2.3-?-6568ba3-m
[2023-11-23 22:12:00,290 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2023-11-23 22:12:00,344 INFO  L114        SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf
[2023-11-23 22:12:00,347 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2023-11-23 22:12:00,348 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2023-11-23 22:12:00,360 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2023-11-23 22:12:00,360 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2023-11-23 22:12:00,360 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2023-11-23 22:12:00,361 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2023-11-23 22:12:00,361 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2023-11-23 22:12:00,362 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2023-11-23 22:12:00,362 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2023-11-23 22:12:00,362 INFO  L153        SettingsManager]:  * Use SBE=true
[2023-11-23 22:12:00,362 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-11-23 22:12:00,363 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2023-11-23 22:12:00,363 INFO  L153        SettingsManager]:  * sizeof long=4
[2023-11-23 22:12:00,363 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2023-11-23 22:12:00,363 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2023-11-23 22:12:00,364 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2023-11-23 22:12:00,364 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2023-11-23 22:12:00,364 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2023-11-23 22:12:00,365 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2023-11-23 22:12:00,365 INFO  L153        SettingsManager]:  * sizeof long double=12
[2023-11-23 22:12:00,365 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2023-11-23 22:12:00,365 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2023-11-23 22:12:00,366 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-11-23 22:12:00,366 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2023-11-23 22:12:00,366 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2023-11-23 22:12:00,366 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2023-11-23 22:12:00,367 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-11-23 22:12:00,367 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-11-23 22:12:00,367 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2023-11-23 22:12:00,367 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2023-11-23 22:12:00,367 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2023-11-23 22:12:00,368 INFO  L153        SettingsManager]:  * DFS Order used in POR=LOOP_LOCKSTEP
[2023-11-23 22:12:00,368 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2023-11-23 22:12:00,368 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2023-11-23 22:12:00,368 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA
[2023-11-23 22:12:00,369 INFO  L153        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2023-11-23 22:12:00,369 INFO  L153        SettingsManager]:  * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE
[2023-11-23 22:12:00,369 INFO  L153        SettingsManager]:  * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER
[2023-11-23 22:12:00,369 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
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/UGemCutter-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
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) )


Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e2e7bb75a4a041a1b509d755288a88858836cab5db2230ae4fd0db7ec04fe254
[2023-11-23 22:12:00,536 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2023-11-23 22:12:00,550 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-11-23 22:12:00,552 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-11-23 22:12:00,552 INFO  L270        PluginConnector]: Initializing CDTParser...
[2023-11-23 22:12:00,553 INFO  L274        PluginConnector]: CDTParser initialized
[2023-11-23 22:12:00,553 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i
[2023-11-23 22:12:01,704 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2023-11-23 22:12:02,075 INFO  L384              CDTParser]: Found 1 translation units.
[2023-11-23 22:12:02,075 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i
[2023-11-23 22:12:02,111 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/d0f1c8fac/fd6319eed3294e3cae09075bb32a5d78/FLAG33471695f
[2023-11-23 22:12:02,124 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/d0f1c8fac/fd6319eed3294e3cae09075bb32a5d78
[2023-11-23 22:12:02,126 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-11-23 22:12:02,128 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2023-11-23 22:12:02,130 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-11-23 22:12:02,130 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-11-23 22:12:02,134 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2023-11-23 22:12:02,136 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 10:12:02" (1/1) ...
[2023-11-23 22:12:02,137 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e9ea14d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:12:02, skipping insertion in model container
[2023-11-23 22:12:02,137 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 10:12:02" (1/1) ...
[2023-11-23 22:12:02,242 INFO  L177         MainTranslator]: Built tables and reachable declarations
[2023-11-23 22:12:02,459 WARN  L240   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i[5469,5482]
[2023-11-23 22:12:05,383 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-11-23 22:12:05,393 INFO  L202         MainTranslator]: Completed pre-run
[2023-11-23 22:12:05,404 WARN  L240   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i[5469,5482]
[2023-11-23 22:12:05,456 WARN  L75    lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile ("" "xchg" "b %b0, %1\n" : "+q" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3227]
[2023-11-23 22:12:05,457 WARN  L75    lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile ("" "xchg" "w %w0, %1\n" : "+r" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3227]
[2023-11-23 22:12:05,458 WARN  L75    lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile ("" "xchg" "l %0, %1\n" : "+r" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3227]
[2023-11-23 22:12:05,458 WARN  L75    lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile ("" "xchg" "q %q0, %1\n" : "+r" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3227]
[2023-11-23 22:12:05,511 WARN  L75    lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile("ud2"); [5814]
[2023-11-23 22:12:05,538 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-11-23 22:12:05,943 WARN  L675               CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler.
[2023-11-23 22:12:05,956 WARN  L675               CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler.
[2023-11-23 22:12:05,956 WARN  L675               CHandler]: The function __xchg_wrong_size is called, but not defined or handled by StandardFunctionHandler.
[2023-11-23 22:12:05,956 WARN  L675               CHandler]: The function release is called, but not defined or handled by StandardFunctionHandler.
[2023-11-23 22:12:05,956 WARN  L675               CHandler]: The function ____ilog2_NaN is called, but not defined or handled by StandardFunctionHandler.
[2023-11-23 22:12:05,957 WARN  L675               CHandler]: The function _whoop_init is called, but not defined or handled by StandardFunctionHandler.
[2023-11-23 22:12:05,962 INFO  L206         MainTranslator]: Completed translation
[2023-11-23 22:12:05,963 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:12:05 WrapperNode
[2023-11-23 22:12:05,963 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-11-23 22:12:05,963 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2023-11-23 22:12:05,964 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2023-11-23 22:12:05,964 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2023-11-23 22:12:05,968 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:12:05" (1/1) ...
[2023-11-23 22:12:06,037 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:12:05" (1/1) ...
[2023-11-23 22:12:06,077 INFO  L138                Inliner]: procedures = 1353, calls = 1466, calls flagged for inlining = 347, calls inlined = 18, statements flattened = 377
[2023-11-23 22:12:06,081 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2023-11-23 22:12:06,081 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2023-11-23 22:12:06,081 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2023-11-23 22:12:06,082 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2023-11-23 22:12:06,088 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:12:05" (1/1) ...
[2023-11-23 22:12:06,088 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:12:05" (1/1) ...
[2023-11-23 22:12:06,096 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:12:05" (1/1) ...
[2023-11-23 22:12:06,096 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:12:05" (1/1) ...
[2023-11-23 22:12:06,125 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:12:05" (1/1) ...
[2023-11-23 22:12:06,129 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:12:05" (1/1) ...
[2023-11-23 22:12:06,132 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:12:05" (1/1) ...
[2023-11-23 22:12:06,134 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:12:05" (1/1) ...
[2023-11-23 22:12:06,139 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2023-11-23 22:12:06,140 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2023-11-23 22:12:06,140 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2023-11-23 22:12:06,140 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2023-11-23 22:12:06,141 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:12:05" (1/1) ...
[2023-11-23 22:12:06,159 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-11-23 22:12:06,169 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3
[2023-11-23 22:12:06,184 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2023-11-23 22:12:06,201 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2023-11-23 22:12:06,246 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int
[2023-11-23 22:12:06,246 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2023-11-23 22:12:06,246 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2023-11-23 22:12:06,246 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2023-11-23 22:12:06,246 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2023-11-23 22:12:06,246 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$
[2023-11-23 22:12:06,247 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2023-11-23 22:12:06,247 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2023-11-23 22:12:06,247 INFO  L130     BoogieDeclarations]: Found specification of procedure whoop_wrapper_read_nvram
[2023-11-23 22:12:06,247 INFO  L138     BoogieDeclarations]: Found implementation of procedure whoop_wrapper_read_nvram
[2023-11-23 22:12:06,248 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin
[2023-11-23 22:12:06,248 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2023-11-23 22:12:06,248 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end
[2023-11-23 22:12:06,248 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~$Pointer$
[2023-11-23 22:12:06,249 INFO  L130     BoogieDeclarations]: Found specification of procedure whoop_wrapper_write_nvram
[2023-11-23 22:12:06,249 INFO  L138     BoogieDeclarations]: Found implementation of procedure whoop_wrapper_write_nvram
[2023-11-23 22:12:06,249 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2023-11-23 22:12:06,250 WARN  L213             CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement
[2023-11-23 22:12:06,579 INFO  L241             CfgBuilder]: Building ICFG
[2023-11-23 22:12:06,581 INFO  L267             CfgBuilder]: Building CFG for each procedure with an implementation
[2023-11-23 22:12:06,963 INFO  L282             CfgBuilder]: Performing block encoding
[2023-11-23 22:12:07,229 INFO  L304             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2023-11-23 22:12:07,229 INFO  L309             CfgBuilder]: Removed 2 assume(true) statements.
[2023-11-23 22:12:07,230 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 10:12:07 BoogieIcfgContainer
[2023-11-23 22:12:07,230 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2023-11-23 22:12:07,231 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2023-11-23 22:12:07,231 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2023-11-23 22:12:07,234 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2023-11-23 22:12:07,234 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 10:12:02" (1/3) ...
[2023-11-23 22:12:07,234 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62fa1110 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 10:12:07, skipping insertion in model container
[2023-11-23 22:12:07,234 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:12:05" (2/3) ...
[2023-11-23 22:12:07,235 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62fa1110 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 10:12:07, skipping insertion in model container
[2023-11-23 22:12:07,235 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 10:12:07" (3/3) ...
[2023-11-23 22:12:07,236 INFO  L112   eAbstractionObserver]: Analyzing ICFG char_generic_nvram_read_nvram_write_nvram.i
[2023-11-23 22:12:07,242 WARN  L145   ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program
[2023-11-23 22:12:07,249 INFO  L203   ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2023-11-23 22:12:07,249 INFO  L162   ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations.
[2023-11-23 22:12:07,249 INFO  L514   ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2023-11-23 22:12:07,297 INFO  L144    ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions.
[2023-11-23 22:12:07,358 INFO  L100   denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2023-11-23 22:12:07,359 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000
[2023-11-23 22:12:07,359 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3
[2023-11-23 22:12:07,360 INFO  L229       MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null)
[2023-11-23 22:12:07,394 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process
[2023-11-23 22:12:07,426 INFO  L159   artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations.
[2023-11-23 22:12:07,437 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ========
[2023-11-23 22:12:07,482 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=PARTIAL_ORDER_FA, 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;@3122d3b5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2023-11-23 22:12:07,482 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 2 error locations.
[2023-11-23 22:12:09,929 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 2 remaining)
[2023-11-23 22:12:09,930 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 2 remaining)
[2023-11-23 22:12:09,938 INFO  L445         BasicCegarLoop]: Path program histogram: []
[2023-11-23 22:12:09,939 INFO  L307   ceAbstractionStarter]: Result for error location ULTIMATE.start was SAFE,SAFE (1/3)
[2023-11-23 22:12:09,947 INFO  L100   denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2023-11-23 22:12:09,947 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000
[2023-11-23 22:12:09,947 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3
[2023-11-23 22:12:09,997 INFO  L229       MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null)
[2023-11-23 22:12:09,998 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Waiting until timeout for monitored process
[2023-11-23 22:12:10,000 INFO  L159   artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations.
[2023-11-23 22:12:10,000 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == whoop_wrapper_write_nvramThread1of1ForFork1 ========
[2023-11-23 22:12:10,001 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=PARTIAL_ORDER_FA, 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;@3122d3b5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2023-11-23 22:12:10,001 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2023-11-23 22:12:11,192 INFO  L420      AbstractCegarLoop]: === Iteration 1 === Targeting whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-23 22:12:11,197 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-23 22:12:11,197 INFO  L85        PathProgramCache]: Analyzing trace with hash -1613224918, now seen corresponding path program 1 times
[2023-11-23 22:12:11,204 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-23 22:12:11,205 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1183300039]
[2023-11-23 22:12:11,205 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-23 22:12:11,205 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-23 22:12:11,614 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-23 22:12:12,406 INFO  L134       CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2023-11-23 22:12:12,407 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-23 22:12:12,408 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1183300039]
[2023-11-23 22:12:12,411 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1183300039] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-23 22:12:12,411 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-23 22:12:12,411 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2023-11-23 22:12:12,412 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1095785752]
[2023-11-23 22:12:12,413 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-23 22:12:12,416 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2023-11-23 22:12:12,416 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-23 22:12:12,435 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2023-11-23 22:12:12,435 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2023-11-23 22:12:12,436 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-11-23 22:12:12,437 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2023-11-23 22:12:12,437 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-23 22:12:12,437 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2023-11-23 22:12:13,919 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2023-11-23 22:12:13,920 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2023-11-23 22:12:13,920 INFO  L420      AbstractCegarLoop]: === Iteration 2 === Targeting whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-23 22:12:13,921 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-23 22:12:13,921 INFO  L85        PathProgramCache]: Analyzing trace with hash 1136216687, now seen corresponding path program 1 times
[2023-11-23 22:12:13,921 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-23 22:12:13,922 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1628216859]
[2023-11-23 22:12:13,922 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-23 22:12:13,922 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-23 22:12:14,183 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-23 22:12:19,861 INFO  L134       CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-23 22:12:19,861 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-23 22:12:19,861 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1628216859]
[2023-11-23 22:12:19,862 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1628216859] provided 0 perfect and 1 imperfect interpolant sequences
[2023-11-23 22:12:19,862 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [137321743]
[2023-11-23 22:12:19,862 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-23 22:12:19,862 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-23 22:12:19,862 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3
[2023-11-23 22:12:19,864 INFO  L229       MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2023-11-23 22:12:19,875 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process
[2023-11-23 22:12:20,153 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-23 22:12:20,157 INFO  L262         TraceCheckSpWp]: Trace formula consists of 600 conjuncts, 46 conjunts are in the unsatisfiable core
[2023-11-23 22:12:20,162 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-11-23 22:12:20,394 INFO  L190   IndexEqualityManager]: detected not equals via solver
[2023-11-23 22:12:20,399 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 39
[2023-11-23 22:12:20,554 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 51
[2023-11-23 22:12:20,871 INFO  L134       CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-23 22:12:20,871 INFO  L327         TraceCheckSpWp]: Computing backward predicates...
[2023-11-23 22:12:21,553 INFO  L349             Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2023-11-23 22:12:21,553 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 120 treesize of output 107
[2023-11-23 22:12:21,559 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 66
[2023-11-23 22:12:21,563 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 64
[2023-11-23 22:12:21,757 INFO  L134       CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-23 22:12:21,757 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [137321743] provided 0 perfect and 2 imperfect interpolant sequences
[2023-11-23 22:12:21,757 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2023-11-23 22:12:21,757 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 12, 12] total 39
[2023-11-23 22:12:21,758 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [980871513]
[2023-11-23 22:12:21,758 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2023-11-23 22:12:21,758 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 40 states
[2023-11-23 22:12:21,758 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-23 22:12:21,759 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants.
[2023-11-23 22:12:21,760 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=113, Invalid=1446, Unknown=1, NotChecked=0, Total=1560
[2023-11-23 22:12:21,760 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-11-23 22:12:21,761 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2023-11-23 22:12:21,761 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 40 states, 40 states have (on average 1.975) internal successors, (79), 39 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-23 22:12:21,761 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. 
[2023-11-23 22:12:21,761 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2023-11-23 22:12:28,404 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2023-11-23 22:12:28,405 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. 
[2023-11-23 22:12:28,426 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0
[2023-11-23 22:12:28,612 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-23 22:12:28,612 INFO  L420      AbstractCegarLoop]: === Iteration 3 === Targeting whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-23 22:12:28,613 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-23 22:12:28,613 INFO  L85        PathProgramCache]: Analyzing trace with hash 1315429874, now seen corresponding path program 2 times
[2023-11-23 22:12:28,613 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-23 22:12:28,613 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1775159852]
[2023-11-23 22:12:28,613 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-23 22:12:28,613 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-23 22:12:28,911 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-23 22:12:32,853 INFO  L134       CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-23 22:12:32,853 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-23 22:12:32,853 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1775159852]
[2023-11-23 22:12:32,853 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1775159852] provided 0 perfect and 1 imperfect interpolant sequences
[2023-11-23 22:12:32,854 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [676430974]
[2023-11-23 22:12:32,854 INFO  L93    rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2023-11-23 22:12:32,854 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-23 22:12:32,854 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3
[2023-11-23 22:12:32,855 INFO  L229       MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2023-11-23 22:12:32,856 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process
[2023-11-23 22:12:33,721 INFO  L228   tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2023-11-23 22:12:33,722 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2023-11-23 22:12:33,727 INFO  L262         TraceCheckSpWp]: Trace formula consists of 618 conjuncts, 64 conjunts are in the unsatisfiable core
[2023-11-23 22:12:33,731 INFO  L285         TraceCheckSpWp]: Computing forward predicates...