/root/.sdkman/candidates/java/current/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.additional.conditional.commutativity.checking DFS --traceabstraction.criterion.for.conditional.commutativity.checking LOOP --traceabstraction.use.limited.checks.recommended.for.dfs true --traceabstraction.limit.for.limited.checks 10 -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_nvram_llseek_read_nvram.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.conditional-comm-17da818-m [2024-05-07 04:26:44,313 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-05-07 04:26:44,369 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2024-05-07 04:26:44,374 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-05-07 04:26:44,374 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-05-07 04:26:44,399 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-05-07 04:26:44,399 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-05-07 04:26:44,399 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-05-07 04:26:44,400 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-05-07 04:26:44,404 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-05-07 04:26:44,404 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-05-07 04:26:44,404 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-05-07 04:26:44,405 INFO L153 SettingsManager]: * Use SBE=true [2024-05-07 04:26:44,406 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-05-07 04:26:44,407 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-05-07 04:26:44,407 INFO L153 SettingsManager]: * sizeof long=4 [2024-05-07 04:26:44,407 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-05-07 04:26:44,408 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-05-07 04:26:44,408 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-05-07 04:26:44,408 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-05-07 04:26:44,408 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-05-07 04:26:44,408 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-05-07 04:26:44,409 INFO L153 SettingsManager]: * sizeof long double=12 [2024-05-07 04:26:44,409 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-05-07 04:26:44,409 INFO L153 SettingsManager]: * Use constant arrays=true [2024-05-07 04:26:44,409 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-05-07 04:26:44,409 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-05-07 04:26:44,409 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-05-07 04:26:44,410 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-05-07 04:26:44,410 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-07 04:26:44,411 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-05-07 04:26:44,411 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-05-07 04:26:44,411 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-05-07 04:26:44,411 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-05-07 04:26:44,411 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2024-05-07 04:26:44,411 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-05-07 04:26:44,411 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-05-07 04:26:44,411 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-05-07 04:26:44,412 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-05-07 04:26:44,412 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> DFS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> LOOP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: use limited checks (recommended for DFS) -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Limit for limited checks -> 10 [2024-05-07 04:26:44,616 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-05-07 04:26:44,639 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-05-07 04:26:44,641 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-05-07 04:26:44,642 INFO L270 PluginConnector]: Initializing CDTParser... [2024-05-07 04:26:44,650 INFO L274 PluginConnector]: CDTParser initialized [2024-05-07 04:26:44,651 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_nvram_llseek_read_nvram.i [2024-05-07 04:26:45,641 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-05-07 04:26:46,014 INFO L384 CDTParser]: Found 1 translation units. [2024-05-07 04:26:46,014 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_nvram_llseek_read_nvram.i [2024-05-07 04:26:46,049 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/78a0b6506/1eed4bfea79242cf9e7d4061a244fbea/FLAG87db485cb [2024-05-07 04:26:46,061 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/78a0b6506/1eed4bfea79242cf9e7d4061a244fbea [2024-05-07 04:26:46,064 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-05-07 04:26:46,065 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-05-07 04:26:46,067 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-05-07 04:26:46,067 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-05-07 04:26:46,071 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-05-07 04:26:46,071 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.05 04:26:46" (1/1) ... [2024-05-07 04:26:46,072 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@382b59fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 04:26:46, skipping insertion in model container [2024-05-07 04:26:46,072 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.05 04:26:46" (1/1) ... [2024-05-07 04:26:46,152 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-05-07 04:26:46,415 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_nvram_llseek_read_nvram.i[5469,5482] [2024-05-07 04:26:48,569 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-07 04:26:48,590 INFO L202 MainTranslator]: Completed pre-run [2024-05-07 04:26:48,608 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_nvram_llseek_read_nvram.i[5469,5482] [2024-05-07 04:26:48,684 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] [2024-05-07 04:26:48,686 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] [2024-05-07 04:26:48,686 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] [2024-05-07 04:26:48,686 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] [2024-05-07 04:26:48,755 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile("ud2"); [5814] [2024-05-07 04:26:48,788 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-07 04:26:49,214 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2024-05-07 04:26:49,214 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2024-05-07 04:26:49,214 WARN L675 CHandler]: The function __xchg_wrong_size is called, but not defined or handled by StandardFunctionHandler. [2024-05-07 04:26:49,214 WARN L675 CHandler]: The function release is called, but not defined or handled by StandardFunctionHandler. [2024-05-07 04:26:49,214 WARN L675 CHandler]: The function ____ilog2_NaN is called, but not defined or handled by StandardFunctionHandler. [2024-05-07 04:26:49,214 WARN L675 CHandler]: The function _whoop_init is called, but not defined or handled by StandardFunctionHandler. [2024-05-07 04:26:49,220 INFO L206 MainTranslator]: Completed translation [2024-05-07 04:26:49,220 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 04:26:49 WrapperNode [2024-05-07 04:26:49,220 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-05-07 04:26:49,221 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-05-07 04:26:49,221 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-05-07 04:26:49,221 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-05-07 04:26:49,226 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 04:26:49" (1/1) ... [2024-05-07 04:26:49,309 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 04:26:49" (1/1) ... [2024-05-07 04:26:49,372 INFO L138 Inliner]: procedures = 1353, calls = 1450, calls flagged for inlining = 347, calls inlined = 15, statements flattened = 323 [2024-05-07 04:26:49,373 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-05-07 04:26:49,373 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-05-07 04:26:49,373 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-05-07 04:26:49,373 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-05-07 04:26:49,382 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 04:26:49" (1/1) ... [2024-05-07 04:26:49,382 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 04:26:49" (1/1) ... [2024-05-07 04:26:49,392 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 04:26:49" (1/1) ... [2024-05-07 04:26:49,392 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 04:26:49" (1/1) ... [2024-05-07 04:26:49,408 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 04:26:49" (1/1) ... [2024-05-07 04:26:49,420 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 04:26:49" (1/1) ... [2024-05-07 04:26:49,423 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 04:26:49" (1/1) ... [2024-05-07 04:26:49,425 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 04:26:49" (1/1) ... [2024-05-07 04:26:49,429 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-05-07 04:26:49,430 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-05-07 04:26:49,430 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-05-07 04:26:49,430 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-05-07 04:26:49,430 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 04:26:49" (1/1) ... [2024-05-07 04:26:49,452 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-07 04:26:49,463 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-07 04:26:49,492 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) [2024-05-07 04:26:49,521 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 [2024-05-07 04:26:49,549 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-05-07 04:26:49,550 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-05-07 04:26:49,550 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-05-07 04:26:49,550 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-05-07 04:26:49,550 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-05-07 04:26:49,550 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2024-05-07 04:26:49,550 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-05-07 04:26:49,550 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-05-07 04:26:49,550 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_read_nvram [2024-05-07 04:26:49,550 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_read_nvram [2024-05-07 04:26:49,550 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-05-07 04:26:49,550 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-05-07 04:26:49,551 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-05-07 04:26:49,551 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_nvram_llseek [2024-05-07 04:26:49,551 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_nvram_llseek [2024-05-07 04:26:49,552 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-05-07 04:26:49,877 INFO L241 CfgBuilder]: Building ICFG [2024-05-07 04:26:49,878 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-05-07 04:26:50,192 INFO L282 CfgBuilder]: Performing block encoding [2024-05-07 04:26:50,203 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-05-07 04:26:50,204 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2024-05-07 04:26:50,205 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.05 04:26:50 BoogieIcfgContainer [2024-05-07 04:26:50,205 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-05-07 04:26:50,207 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-05-07 04:26:50,207 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-05-07 04:26:50,209 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-05-07 04:26:50,209 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.05 04:26:46" (1/3) ... [2024-05-07 04:26:50,210 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75ed2eb1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.05 04:26:50, skipping insertion in model container [2024-05-07 04:26:50,210 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 04:26:49" (2/3) ... [2024-05-07 04:26:50,210 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75ed2eb1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.05 04:26:50, skipping insertion in model container [2024-05-07 04:26:50,210 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.05 04:26:50" (3/3) ... [2024-05-07 04:26:50,211 INFO L112 eAbstractionObserver]: Analyzing ICFG char_generic_nvram_nvram_llseek_read_nvram.i [2024-05-07 04:26:50,217 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-05-07 04:26:50,224 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-05-07 04:26:50,224 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-05-07 04:26:50,224 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-05-07 04:26:50,290 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-05-07 04:26:50,323 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-07 04:26:50,324 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-05-07 04:26:50,324 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-07 04:26:50,342 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) [2024-05-07 04:26:50,356 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 [2024-05-07 04:26:50,370 INFO L188 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-05-07 04:26:50,380 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 04:26:50,382 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-05-07 04:26:50,387 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;@37acba9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=DFS, mConComCheckerCriterion=LOOP, mConComCheckerLimitedChecksCriterion=true, mConComCheckerCriterionLimit=10, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123, mConComCheckerConditionCriterion=false [2024-05-07 04:26:50,387 INFO L358 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2024-05-07 04:26:50,443 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting whoop_wrapper_nvram_llseekErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-05-07 04:26:50,444 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 04:26:50,444 INFO L85 PathProgramCache]: Analyzing trace with hash -1760256714, now seen corresponding path program 1 times [2024-05-07 04:26:50,451 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-07 04:26:50,451 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1843719347] [2024-05-07 04:26:50,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 04:26:50,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 04:26:50,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 04:26:51,009 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 04:26:51,010 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-07 04:26:51,010 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1843719347] [2024-05-07 04:26:51,011 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1843719347] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-07 04:26:51,011 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-07 04:26:51,011 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-05-07 04:26:51,012 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1230521675] [2024-05-07 04:26:51,013 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-07 04:26:51,021 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-05-07 04:26:51,021 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-07 04:26:51,045 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-05-07 04:26:51,046 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-05-07 04:26:51,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 04:26:51,048 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-07 04:26:51,050 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 119.5) internal successors, (239), 2 states have internal predecessors, (239), 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) [2024-05-07 04:26:51,050 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 04:26:51,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 04:26:51,118 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-05-07 04:26:51,118 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting whoop_wrapper_nvram_llseekErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-05-07 04:26:51,118 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 04:26:51,118 INFO L85 PathProgramCache]: Analyzing trace with hash 1631289018, now seen corresponding path program 1 times [2024-05-07 04:26:51,119 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-07 04:26:51,119 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [654343284] [2024-05-07 04:26:51,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 04:26:51,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 04:26:51,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 04:26:51,925 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 04:26:51,925 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-07 04:26:51,925 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [654343284] [2024-05-07 04:26:51,926 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [654343284] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-07 04:26:51,926 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-07 04:26:51,926 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-05-07 04:26:51,927 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1672527638] [2024-05-07 04:26:51,927 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-07 04:26:51,930 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-05-07 04:26:51,930 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-07 04:26:51,931 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-05-07 04:26:51,931 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-05-07 04:26:51,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 04:26:51,932 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-07 04:26:51,932 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 39.666666666666664) internal successors, (238), 6 states have internal predecessors, (238), 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) [2024-05-07 04:26:51,932 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 04:26:51,932 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 04:26:52,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 04:26:52,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-07 04:26:52,329 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-05-07 04:26:52,329 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-05-07 04:26:52,330 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 04:26:52,330 INFO L85 PathProgramCache]: Analyzing trace with hash -444262046, now seen corresponding path program 1 times [2024-05-07 04:26:52,330 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-07 04:26:52,330 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1023766395] [2024-05-07 04:26:52,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 04:26:52,331 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 04:26:52,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 04:26:52,680 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 04:26:52,680 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-07 04:26:52,680 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1023766395] [2024-05-07 04:26:52,681 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1023766395] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-07 04:26:52,681 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-07 04:26:52,681 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-05-07 04:26:52,681 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2016290076] [2024-05-07 04:26:52,681 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-07 04:26:52,681 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-05-07 04:26:52,682 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-07 04:26:52,682 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-05-07 04:26:52,685 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-05-07 04:26:52,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 04:26:52,685 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-07 04:26:52,685 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 41.5) internal successors, (249), 6 states have internal predecessors, (249), 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) [2024-05-07 04:26:52,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 04:26:52,686 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-07 04:26:52,686 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 04:26:53,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 04:26:53,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-05-07 04:26:53,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-07 04:26:53,008 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-05-07 04:26:53,008 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting whoop_wrapper_nvram_llseekErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-05-07 04:26:53,010 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 04:26:53,010 INFO L85 PathProgramCache]: Analyzing trace with hash -1492902570, now seen corresponding path program 1 times [2024-05-07 04:26:53,010 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-07 04:26:53,010 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [136333605] [2024-05-07 04:26:53,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 04:26:53,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 04:26:53,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 04:26:53,553 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 04:26:53,554 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-07 04:26:53,554 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [136333605] [2024-05-07 04:26:53,554 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [136333605] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-07 04:26:53,554 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-07 04:26:53,554 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-05-07 04:26:53,554 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [529161284] [2024-05-07 04:26:53,554 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-07 04:26:53,555 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-05-07 04:26:53,555 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-07 04:26:53,555 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-05-07 04:26:53,555 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-05-07 04:26:53,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 04:26:53,556 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-07 04:26:53,556 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 34.625) internal successors, (277), 8 states have internal predecessors, (277), 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) [2024-05-07 04:26:53,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 04:26:53,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-05-07 04:26:53,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-07 04:26:53,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 04:26:53,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 04:26:53,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-05-07 04:26:53,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-07 04:26:53,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-05-07 04:26:53,912 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-05-07 04:26:53,912 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting whoop_wrapper_nvram_llseekErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-05-07 04:26:53,912 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 04:26:53,912 INFO L85 PathProgramCache]: Analyzing trace with hash 1355694296, now seen corresponding path program 1 times [2024-05-07 04:26:53,913 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-07 04:26:53,913 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1334494266] [2024-05-07 04:26:53,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 04:26:53,913 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 04:26:53,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 04:26:54,861 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 04:26:54,861 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-07 04:26:54,861 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1334494266] [2024-05-07 04:26:54,861 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1334494266] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-07 04:26:54,861 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-07 04:26:54,862 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-05-07 04:26:54,862 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [849696278] [2024-05-07 04:26:54,862 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-07 04:26:54,862 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-05-07 04:26:54,862 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-07 04:26:54,863 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-05-07 04:26:54,863 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2024-05-07 04:26:54,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 04:26:54,863 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-07 04:26:54,863 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 16.066666666666666) internal successors, (241), 15 states have internal predecessors, (241), 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) [2024-05-07 04:26:54,863 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 04:26:54,863 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-05-07 04:26:54,863 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-07 04:26:54,863 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-05-07 04:26:54,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 04:26:58,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 04:26:58,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-05-07 04:26:58,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-07 04:26:58,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-05-07 04:26:58,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-05-07 04:26:58,834 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-05-07 04:26:58,834 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-05-07 04:26:58,835 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 04:26:58,835 INFO L85 PathProgramCache]: Analyzing trace with hash 903402983, now seen corresponding path program 1 times [2024-05-07 04:26:58,835 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-07 04:26:58,835 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1224967473] [2024-05-07 04:26:58,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 04:26:58,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 04:26:58,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 04:26:59,952 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 04:26:59,952 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-07 04:26:59,953 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1224967473] [2024-05-07 04:26:59,953 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1224967473] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-07 04:26:59,953 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-07 04:26:59,953 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-05-07 04:26:59,954 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [298246743] [2024-05-07 04:26:59,954 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-07 04:26:59,957 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-05-07 04:26:59,957 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-07 04:26:59,958 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-05-07 04:26:59,959 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=181, Unknown=0, NotChecked=0, Total=210 [2024-05-07 04:26:59,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 04:26:59,959 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-07 04:26:59,959 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 17.333333333333332) internal successors, (260), 15 states have internal predecessors, (260), 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) [2024-05-07 04:26:59,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 04:26:59,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-05-07 04:26:59,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-07 04:26:59,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-05-07 04:26:59,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-05-07 04:26:59,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 04:27:08,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 04:27:08,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-05-07 04:27:08,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-05-07 04:27:08,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-05-07 04:27:08,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-05-07 04:27:08,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-05-07 04:27:08,144 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-05-07 04:27:08,144 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-05-07 04:27:08,144 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 04:27:08,144 INFO L85 PathProgramCache]: Analyzing trace with hash -868193188, now seen corresponding path program 1 times [2024-05-07 04:27:08,144 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-07 04:27:08,144 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2039000973] [2024-05-07 04:27:08,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 04:27:08,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 04:27:08,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 04:27:08,879 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-05-07 04:27:08,879 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-07 04:27:08,879 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2039000973] [2024-05-07 04:27:08,879 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2039000973] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-07 04:27:08,879 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-07 04:27:08,879 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-05-07 04:27:08,880 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1115319703] [2024-05-07 04:27:08,880 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-07 04:27:08,880 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-05-07 04:27:08,880 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-07 04:27:08,881 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-05-07 04:27:08,881 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2024-05-07 04:27:08,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 04:27:08,881 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-07 04:27:08,881 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 23.75) internal successors, (285), 12 states have internal predecessors, (285), 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) [2024-05-07 04:27:08,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 04:27:08,882 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-05-07 04:27:08,882 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-05-07 04:27:08,882 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-05-07 04:27:08,882 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-05-07 04:27:08,882 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-05-07 04:27:08,882 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 04:27:12,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 04:27:12,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-05-07 04:27:12,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-05-07 04:27:12,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-05-07 04:27:12,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-05-07 04:27:12,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-05-07 04:27:12,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-05-07 04:27:12,499 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION (5 of 6 remaining) [2024-05-07 04:27:12,499 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 6 remaining) [2024-05-07 04:27:12,500 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 6 remaining) [2024-05-07 04:27:12,502 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_nvram_llseekErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 6 remaining) [2024-05-07 04:27:12,502 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 6 remaining) [2024-05-07 04:27:12,502 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_nvram_llseekErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 6 remaining) [2024-05-07 04:27:12,502 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-05-07 04:27:12,508 INFO L448 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2024-05-07 04:27:12,511 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-05-07 04:27:12,514 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2024-05-07 04:27:12,517 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.05 04:27:12 BasicIcfg [2024-05-07 04:27:12,517 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-05-07 04:27:12,517 INFO L158 Benchmark]: Toolchain (without parser) took 26451.99ms. Allocated memory was 307.2MB in the beginning and 1.1GB in the end (delta: 798.0MB). Free memory was 228.9MB in the beginning and 486.7MB in the end (delta: -257.8MB). Peak memory consumption was 541.7MB. Max. memory is 8.0GB. [2024-05-07 04:27:12,517 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 307.2MB. Free memory is still 277.1MB. There was no memory consumed. Max. memory is 8.0GB. [2024-05-07 04:27:12,517 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3153.44ms. Allocated memory is still 307.2MB. Free memory was 228.9MB in the beginning and 223.8MB in the end (delta: 5.1MB). Peak memory consumption was 162.8MB. Max. memory is 8.0GB. [2024-05-07 04:27:12,517 INFO L158 Benchmark]: Boogie Procedure Inliner took 151.77ms. Allocated memory is still 307.2MB. Free memory was 223.8MB in the beginning and 215.0MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. [2024-05-07 04:27:12,519 INFO L158 Benchmark]: Boogie Preprocessor took 55.93ms. Allocated memory is still 307.2MB. Free memory was 215.0MB in the beginning and 210.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2024-05-07 04:27:12,519 INFO L158 Benchmark]: RCFGBuilder took 775.20ms. Allocated memory is still 307.2MB. Free memory was 210.8MB in the beginning and 168.8MB in the end (delta: 41.9MB). Peak memory consumption was 41.9MB. Max. memory is 8.0GB. [2024-05-07 04:27:12,519 INFO L158 Benchmark]: TraceAbstraction took 22310.06ms. Allocated memory was 307.2MB in the beginning and 1.1GB in the end (delta: 798.0MB). Free memory was 167.2MB in the beginning and 486.7MB in the end (delta: -319.5MB). Peak memory consumption was 478.5MB. Max. memory is 8.0GB. [2024-05-07 04:27:12,520 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 307.2MB. Free memory is still 277.1MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 3153.44ms. Allocated memory is still 307.2MB. Free memory was 228.9MB in the beginning and 223.8MB in the end (delta: 5.1MB). Peak memory consumption was 162.8MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 151.77ms. Allocated memory is still 307.2MB. Free memory was 223.8MB in the beginning and 215.0MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. * Boogie Preprocessor took 55.93ms. Allocated memory is still 307.2MB. Free memory was 215.0MB in the beginning and 210.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * RCFGBuilder took 775.20ms. Allocated memory is still 307.2MB. Free memory was 210.8MB in the beginning and 168.8MB in the end (delta: 41.9MB). Peak memory consumption was 41.9MB. Max. memory is 8.0GB. * TraceAbstraction took 22310.06ms. Allocated memory was 307.2MB in the beginning and 1.1GB in the end (delta: 798.0MB). Free memory was 167.2MB in the beginning and 486.7MB in the end (delta: -319.5MB). Peak memory consumption was 478.5MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 3227]: Unsoundness Warning Ignoring inline assembler instruction C: asm volatile ("" "xchg" "b %b0, %1\n" : "+q" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3227] - GenericResultAtLocation [Line: 3227]: Unsoundness Warning Ignoring inline assembler instruction C: asm volatile ("" "xchg" "w %w0, %1\n" : "+r" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3227] - GenericResultAtLocation [Line: 3227]: Unsoundness Warning Ignoring inline assembler instruction C: asm volatile ("" "xchg" "l %0, %1\n" : "+r" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3227] - GenericResultAtLocation [Line: 3227]: Unsoundness Warning Ignoring inline assembler instruction C: asm volatile ("" "xchg" "q %q0, %1\n" : "+r" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3227] - GenericResultAtLocation [Line: 5814]: Unsoundness Warning Ignoring inline assembler instruction C: asm volatile("ud2"); [5814] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 248406, independent: 244406, independent conditional: 238194, independent unconditional: 6212, dependent: 3946, dependent conditional: 3914, dependent unconditional: 32, unknown: 54, unknown conditional: 54, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 245278, independent: 244406, independent conditional: 238194, independent unconditional: 6212, dependent: 818, dependent conditional: 786, dependent unconditional: 32, unknown: 54, unknown conditional: 54, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 245278, independent: 244406, independent conditional: 238194, independent unconditional: 6212, dependent: 818, dependent conditional: 786, dependent unconditional: 32, unknown: 54, unknown conditional: 54, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 245278, independent: 244406, independent conditional: 238194, independent unconditional: 6212, dependent: 818, dependent conditional: 786, dependent unconditional: 32, unknown: 54, unknown conditional: 54, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 247815, independent: 244406, independent conditional: 114576, independent unconditional: 129830, dependent: 3210, dependent conditional: 2199, dependent unconditional: 1011, unknown: 199, unknown conditional: 145, unknown unconditional: 54] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 247815, independent: 244406, independent conditional: 37538, independent unconditional: 206868, dependent: 3210, dependent conditional: 1581, dependent unconditional: 1629, unknown: 199, unknown conditional: 119, unknown unconditional: 80] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 247815, independent: 244406, independent conditional: 37538, independent unconditional: 206868, dependent: 3210, dependent conditional: 1581, dependent unconditional: 1629, unknown: 199, unknown conditional: 119, unknown unconditional: 80] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 9903, independent: 9839, independent conditional: 1836, independent unconditional: 8003, dependent: 55, dependent conditional: 41, dependent unconditional: 14, unknown: 9, unknown conditional: 7, unknown unconditional: 2] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 9903, independent: 9821, independent conditional: 0, independent unconditional: 9821, dependent: 82, dependent conditional: 0, dependent unconditional: 82, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 82, independent: 18, independent conditional: 18, independent unconditional: 0, dependent: 55, dependent conditional: 41, dependent unconditional: 14, unknown: 9, unknown conditional: 7, unknown unconditional: 2] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 82, independent: 18, independent conditional: 18, independent unconditional: 0, dependent: 55, dependent conditional: 41, dependent unconditional: 14, unknown: 9, unknown conditional: 7, unknown unconditional: 2] , SemanticIndependenceRelation.Query Time [ms]: [ total: 10178, independent: 149, independent conditional: 149, independent unconditional: 0, dependent: 257, dependent conditional: 211, dependent unconditional: 46, unknown: 9772, unknown conditional: 7592, unknown unconditional: 2180] , Protected Queries: 0 ], Cache Queries: [ total: 247815, independent: 234567, independent conditional: 35702, independent unconditional: 198865, dependent: 3155, dependent conditional: 1540, dependent unconditional: 1615, unknown: 10093, unknown conditional: 1996, unknown unconditional: 8097] , Statistics on independence cache: Total cache size (in pairs): 9894, Positive cache size: 9839, Positive conditional cache size: 1836, Positive unconditional cache size: 8003, Negative cache size: 55, Negative conditional cache size: 41, Negative unconditional cache size: 14, Unknown cache size: 9, Unknown conditional cache size: 7, Unknown unconditional cache size: 2, Eliminated conditions: 77682, Maximal queried relation: 5, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 247815, independent: 244406, independent conditional: 114576, independent unconditional: 129830, dependent: 3210, dependent conditional: 2199, dependent unconditional: 1011, unknown: 199, unknown conditional: 145, unknown unconditional: 54] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 247815, independent: 244406, independent conditional: 37538, independent unconditional: 206868, dependent: 3210, dependent conditional: 1581, dependent unconditional: 1629, unknown: 199, unknown conditional: 119, unknown unconditional: 80] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 247815, independent: 244406, independent conditional: 37538, independent unconditional: 206868, dependent: 3210, dependent conditional: 1581, dependent unconditional: 1629, unknown: 199, unknown conditional: 119, unknown unconditional: 80] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 9903, independent: 9839, independent conditional: 1836, independent unconditional: 8003, dependent: 55, dependent conditional: 41, dependent unconditional: 14, unknown: 9, unknown conditional: 7, unknown unconditional: 2] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 9903, independent: 9821, independent conditional: 0, independent unconditional: 9821, dependent: 82, dependent conditional: 0, dependent unconditional: 82, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 82, independent: 18, independent conditional: 18, independent unconditional: 0, dependent: 55, dependent conditional: 41, dependent unconditional: 14, unknown: 9, unknown conditional: 7, unknown unconditional: 2] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 82, independent: 18, independent conditional: 18, independent unconditional: 0, dependent: 55, dependent conditional: 41, dependent unconditional: 14, unknown: 9, unknown conditional: 7, unknown unconditional: 2] , SemanticIndependenceRelation.Query Time [ms]: [ total: 10178, independent: 149, independent conditional: 149, independent unconditional: 0, dependent: 257, dependent conditional: 211, dependent unconditional: 46, unknown: 9772, unknown conditional: 7592, unknown unconditional: 2180] , Protected Queries: 0 ], Cache Queries: [ total: 247815, independent: 234567, independent conditional: 35702, independent unconditional: 198865, dependent: 3155, dependent conditional: 1540, dependent unconditional: 1615, unknown: 10093, unknown conditional: 1996, unknown unconditional: 8097] , Statistics on independence cache: Total cache size (in pairs): 9894, Positive cache size: 9839, Positive conditional cache size: 1836, Positive unconditional cache size: 8003, Negative cache size: 55, Negative conditional cache size: 41, Negative unconditional cache size: 14, Unknown cache size: 9, Unknown conditional cache size: 7, Unknown unconditional cache size: 2, Eliminated conditions: 77682 ], Independence queries for same thread: 3128 - PositiveResult [Line: 174]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 174]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 506 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 22.2s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 17.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 102, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 4.3s InterpolantComputationTime, 1789 NumberOfCodeBlocks, 1789 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 1782 ConstructedInterpolants, 0 QuantifiedInterpolants, 6254 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 2/2 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, ConditionalCommutativityCheckTime: 2.8s, ConditionalCommutativityIAIntegrations: 0, ConditionalCommutativityDFSRestarts: 0, ConditionalCommutativityConditionCalculations: 0, ConditionalCommutativityTraceChecks: 0, ConditionalCommutativityImperfectProofs: 0 - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-05-07 04:27:12,568 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2024-05-07 04:27:12,753 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...