/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 FORWARD --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_unlocked_ioctl_write_nvram.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.conditional-comm-17da818-m [2024-05-07 01:03:03,885 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-05-07 01:03:03,945 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2024-05-07 01:03:03,948 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-05-07 01:03:03,949 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-05-07 01:03:03,975 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-05-07 01:03:03,976 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-05-07 01:03:03,976 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-05-07 01:03:03,976 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-05-07 01:03:03,976 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-05-07 01:03:03,977 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-05-07 01:03:03,977 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-05-07 01:03:03,977 INFO L153 SettingsManager]: * Use SBE=true [2024-05-07 01:03:03,978 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-05-07 01:03:03,978 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-05-07 01:03:03,978 INFO L153 SettingsManager]: * sizeof long=4 [2024-05-07 01:03:03,978 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-05-07 01:03:03,978 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-05-07 01:03:03,979 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-05-07 01:03:03,979 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-05-07 01:03:03,979 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-05-07 01:03:03,982 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-05-07 01:03:03,982 INFO L153 SettingsManager]: * sizeof long double=12 [2024-05-07 01:03:03,982 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-05-07 01:03:03,985 INFO L153 SettingsManager]: * Use constant arrays=true [2024-05-07 01:03:03,985 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-05-07 01:03:03,985 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-05-07 01:03:03,986 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-05-07 01:03:03,986 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-05-07 01:03:03,986 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-07 01:03:03,987 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-05-07 01:03:03,987 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-05-07 01:03:03,987 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-05-07 01:03:03,987 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-05-07 01:03:03,987 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2024-05-07 01:03:03,987 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-05-07 01:03:03,988 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-05-07 01:03:03,988 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-05-07 01:03:03,988 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-05-07 01:03:03,988 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> DFS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> FORWARD Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: use limited checks (recommended for DFS) -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Limit for limited checks -> 10 [2024-05-07 01:03:04,228 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-05-07 01:03:04,251 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-05-07 01:03:04,253 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-05-07 01:03:04,254 INFO L270 PluginConnector]: Initializing CDTParser... [2024-05-07 01:03:04,255 INFO L274 PluginConnector]: CDTParser initialized [2024-05-07 01:03:04,255 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i [2024-05-07 01:03:05,284 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-05-07 01:03:05,720 INFO L384 CDTParser]: Found 1 translation units. [2024-05-07 01:03:05,720 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i [2024-05-07 01:03:05,753 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/0225018ff/6a20510c55724c7d8150cc23cbdc8b0a/FLAG16588441f [2024-05-07 01:03:05,769 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/0225018ff/6a20510c55724c7d8150cc23cbdc8b0a [2024-05-07 01:03:05,772 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-05-07 01:03:05,773 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-05-07 01:03:05,775 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-05-07 01:03:05,775 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-05-07 01:03:05,778 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-05-07 01:03:05,779 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.05 01:03:05" (1/1) ... [2024-05-07 01:03:05,780 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@eb78c0c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 01:03:05, skipping insertion in model container [2024-05-07 01:03:05,780 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.05 01:03:05" (1/1) ... [2024-05-07 01:03:05,854 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-05-07 01:03:06,074 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_unlocked_ioctl_write_nvram.i[5469,5482] [2024-05-07 01:03:08,542 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-07 01:03:08,559 INFO L202 MainTranslator]: Completed pre-run [2024-05-07 01:03:08,579 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_unlocked_ioctl_write_nvram.i[5469,5482] [2024-05-07 01:03:08,645 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 01:03:08,646 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 01:03:08,646 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 01:03:08,647 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 01:03:08,720 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile("ud2"); [5814] [2024-05-07 01:03:08,752 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-07 01:03:09,128 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2024-05-07 01:03:09,128 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2024-05-07 01:03:09,128 WARN L675 CHandler]: The function __xchg_wrong_size is called, but not defined or handled by StandardFunctionHandler. [2024-05-07 01:03:09,128 WARN L675 CHandler]: The function release is called, but not defined or handled by StandardFunctionHandler. [2024-05-07 01:03:09,128 WARN L675 CHandler]: The function ____ilog2_NaN is called, but not defined or handled by StandardFunctionHandler. [2024-05-07 01:03:09,128 WARN L675 CHandler]: The function _whoop_init is called, but not defined or handled by StandardFunctionHandler. [2024-05-07 01:03:09,134 INFO L206 MainTranslator]: Completed translation [2024-05-07 01:03:09,134 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 01:03:09 WrapperNode [2024-05-07 01:03:09,134 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-05-07 01:03:09,135 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-05-07 01:03:09,135 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-05-07 01:03:09,136 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-05-07 01:03:09,141 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 01:03:09" (1/1) ... [2024-05-07 01:03:09,236 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 01:03:09" (1/1) ... [2024-05-07 01:03:09,276 INFO L138 Inliner]: procedures = 1353, calls = 1450, calls flagged for inlining = 347, calls inlined = 19, statements flattened = 324 [2024-05-07 01:03:09,277 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-05-07 01:03:09,277 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-05-07 01:03:09,277 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-05-07 01:03:09,277 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-05-07 01:03:09,285 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 01:03:09" (1/1) ... [2024-05-07 01:03:09,285 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 01:03:09" (1/1) ... [2024-05-07 01:03:09,294 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 01:03:09" (1/1) ... [2024-05-07 01:03:09,294 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 01:03:09" (1/1) ... [2024-05-07 01:03:09,303 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 01:03:09" (1/1) ... [2024-05-07 01:03:09,305 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 01:03:09" (1/1) ... [2024-05-07 01:03:09,308 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 01:03:09" (1/1) ... [2024-05-07 01:03:09,310 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 01:03:09" (1/1) ... [2024-05-07 01:03:09,314 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-05-07 01:03:09,315 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-05-07 01:03:09,315 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-05-07 01:03:09,315 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-05-07 01:03:09,316 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 01:03:09" (1/1) ... [2024-05-07 01:03:09,326 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-07 01:03:09,352 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-07 01:03:09,383 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 01:03:09,421 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 01:03:09,448 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-05-07 01:03:09,449 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-05-07 01:03:09,449 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_nvram_unlocked_ioctl [2024-05-07 01:03:09,449 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_nvram_unlocked_ioctl [2024-05-07 01:03:09,449 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-05-07 01:03:09,449 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-05-07 01:03:09,449 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-05-07 01:03:09,449 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2024-05-07 01:03:09,449 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-05-07 01:03:09,449 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-05-07 01:03:09,449 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-05-07 01:03:09,449 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-05-07 01:03:09,450 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-05-07 01:03:09,450 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-05-07 01:03:09,450 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_write_nvram [2024-05-07 01:03:09,450 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_write_nvram [2024-05-07 01:03:09,451 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-05-07 01:03:09,452 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 01:03:09,819 INFO L241 CfgBuilder]: Building ICFG [2024-05-07 01:03:09,821 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-05-07 01:03:10,098 INFO L282 CfgBuilder]: Performing block encoding [2024-05-07 01:03:10,123 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-05-07 01:03:10,123 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2024-05-07 01:03:10,124 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.05 01:03:10 BoogieIcfgContainer [2024-05-07 01:03:10,124 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-05-07 01:03:10,126 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-05-07 01:03:10,126 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-05-07 01:03:10,128 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-05-07 01:03:10,129 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.05 01:03:05" (1/3) ... [2024-05-07 01:03:10,129 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a7f92b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.05 01:03:10, skipping insertion in model container [2024-05-07 01:03:10,129 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 01:03:09" (2/3) ... [2024-05-07 01:03:10,129 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a7f92b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.05 01:03:10, skipping insertion in model container [2024-05-07 01:03:10,129 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.05 01:03:10" (3/3) ... [2024-05-07 01:03:10,130 INFO L112 eAbstractionObserver]: Analyzing ICFG char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i [2024-05-07 01:03:10,136 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-05-07 01:03:10,144 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-05-07 01:03:10,144 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-05-07 01:03:10,144 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-05-07 01:03:10,264 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-05-07 01:03:10,304 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-07 01:03:10,304 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-05-07 01:03:10,304 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-07 01:03:10,307 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 01:03:10,319 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 01:03:10,347 INFO L188 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-05-07 01:03:10,357 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 01:03:10,359 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-05-07 01:03:10,364 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;@6621bb4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=DFS, mConComCheckerCriterion=FORWARD, mConComCheckerLimitedChecksCriterion=true, mConComCheckerCriterionLimit=10, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123, mConComCheckerConditionCriterion=false [2024-05-07 01:03:10,364 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-05-07 01:03:10,579 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-05-07 01:03:10,591 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 01:03:10,591 INFO L85 PathProgramCache]: Analyzing trace with hash 617523, now seen corresponding path program 1 times [2024-05-07 01:03:10,610 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-07 01:03:10,610 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1346394060] [2024-05-07 01:03:10,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 01:03:10,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 01:03:10,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 01:03:11,173 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 01:03:11,174 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-07 01:03:11,174 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1346394060] [2024-05-07 01:03:11,174 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1346394060] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-07 01:03:11,175 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-07 01:03:11,175 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-05-07 01:03:11,176 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2109944002] [2024-05-07 01:03:11,176 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-07 01:03:11,181 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-05-07 01:03:11,181 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-07 01:03:11,199 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-05-07 01:03:11,199 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-05-07 01:03:11,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 01:03:11,201 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-07 01:03:11,202 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 138.5) internal successors, (277), 2 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 01:03:11,203 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 01:03:11,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 01:03:11,270 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-05-07 01:03:11,271 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-05-07 01:03:11,271 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 01:03:11,271 INFO L85 PathProgramCache]: Analyzing trace with hash 328183117, now seen corresponding path program 1 times [2024-05-07 01:03:11,271 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-07 01:03:11,271 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1320103317] [2024-05-07 01:03:11,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 01:03:11,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 01:03:11,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 01:03:12,039 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 01:03:12,039 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-07 01:03:12,039 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1320103317] [2024-05-07 01:03:12,039 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1320103317] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-07 01:03:12,040 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-07 01:03:12,040 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-05-07 01:03:12,040 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [266127602] [2024-05-07 01:03:12,041 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-07 01:03:12,043 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-05-07 01:03:12,043 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-07 01:03:12,044 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-05-07 01:03:12,045 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-05-07 01:03:12,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 01:03:12,045 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-07 01:03:12,045 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 46.0) internal successors, (276), 6 states have internal predecessors, (276), 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 01:03:12,046 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 01:03:12,046 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 01:03:13,677 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 748 treesize of output 700 [2024-05-07 01:03:13,739 INFO L85 PathProgramCache]: Analyzing trace with hash 2083315114, now seen corresponding path program 1 times [2024-05-07 01:03:13,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 01:03:13,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 01:03:13,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 01:03:14,693 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 01:03:14,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 01:03:14,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 01:03:14,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 01:03:15,396 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 01:03:15,426 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-05-07 01:03:15,427 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2024-05-07 01:03:15,961 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 361 treesize of output 337 [2024-05-07 01:03:16,159 INFO L85 PathProgramCache]: Analyzing trace with hash 1604179460, now seen corresponding path program 1 times [2024-05-07 01:03:16,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 01:03:16,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 01:03:16,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-07 01:03:16,242 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-07 01:03:16,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-07 01:03:16,516 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 41 treesize of output 33 [2024-05-07 01:03:16,646 INFO L85 PathProgramCache]: Analyzing trace with hash -1810043419, now seen corresponding path program 1 times [2024-05-07 01:03:16,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 01:03:16,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 01:03:16,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-07 01:03:16,731 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-07 01:03:16,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-07 01:03:16,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 01:03:16,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-07 01:03:16,889 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,SelfDestructingSolverStorable3,SelfDestructingSolverStorable2,SelfDestructingSolverStorable1,SelfDestructingSolverStorable5 [2024-05-07 01:03:16,890 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-05-07 01:03:16,890 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 01:03:16,890 INFO L85 PathProgramCache]: Analyzing trace with hash -323188667, now seen corresponding path program 2 times [2024-05-07 01:03:16,890 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-07 01:03:16,890 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1507663337] [2024-05-07 01:03:16,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 01:03:16,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 01:03:16,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 01:03:17,944 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 01:03:17,945 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-07 01:03:17,945 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1507663337] [2024-05-07 01:03:17,945 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1507663337] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-07 01:03:17,945 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-07 01:03:17,945 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-05-07 01:03:17,945 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [629265544] [2024-05-07 01:03:17,945 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-07 01:03:17,946 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-05-07 01:03:17,946 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-07 01:03:17,946 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-05-07 01:03:17,947 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=201, Unknown=0, NotChecked=0, Total=240 [2024-05-07 01:03:17,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 01:03:17,947 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-07 01:03:17,947 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 17.25) internal successors, (276), 16 states have internal predecessors, (276), 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 01:03:17,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 01:03:17,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-07 01:03:17,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 01:03:23,628 INFO L349 Elim1Store]: treesize reduction 9, result has 30.8 percent of original size [2024-05-07 01:03:23,629 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 758 treesize of output 708 [2024-05-07 01:03:23,653 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 46 treesize of output 34 [2024-05-07 01:03:23,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-07 01:03:23,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-07 01:03:24,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-07 01:03:24,369 INFO L85 PathProgramCache]: Analyzing trace with hash 1989700407, now seen corresponding path program 1 times [2024-05-07 01:03:24,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 01:03:24,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 01:03:24,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 01:03:24,679 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 01:03:24,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 01:03:24,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 01:03:24,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 01:03:24,964 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 01:03:24,965 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-05-07 01:03:24,965 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=169, Invalid=533, Unknown=0, NotChecked=0, Total=702 [2024-05-07 01:03:29,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 01:03:29,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-07 01:03:29,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-05-07 01:03:29,825 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,SelfDestructingSolverStorable7,SelfDestructingSolverStorable6 [2024-05-07 01:03:29,826 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-05-07 01:03:29,826 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 01:03:29,826 INFO L85 PathProgramCache]: Analyzing trace with hash 1298725197, now seen corresponding path program 3 times [2024-05-07 01:03:29,826 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-07 01:03:29,826 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [488857575] [2024-05-07 01:03:29,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 01:03:29,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 01:03:29,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 01:03:31,263 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 01:03:31,263 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-07 01:03:31,263 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [488857575] [2024-05-07 01:03:31,263 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [488857575] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-07 01:03:31,263 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-07 01:03:31,263 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2024-05-07 01:03:31,263 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1247344870] [2024-05-07 01:03:31,263 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-07 01:03:31,264 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-05-07 01:03:31,264 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-07 01:03:31,264 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-05-07 01:03:31,265 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=223, Unknown=0, NotChecked=0, Total=272 [2024-05-07 01:03:31,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 01:03:31,265 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-07 01:03:31,265 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 16.235294117647058) internal successors, (276), 17 states have internal predecessors, (276), 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 01:03:31,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 01:03:31,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-05-07 01:03:31,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2024-05-07 01:03:31,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 01:03:36,636 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-05-07 01:03:36,636 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 31 treesize of output 27 [2024-05-07 01:03:36,877 INFO L85 PathProgramCache]: Analyzing trace with hash -1275958159, now seen corresponding path program 1 times [2024-05-07 01:03:36,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 01:03:36,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 01:03:36,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 01:03:37,068 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 01:03:37,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 01:03:37,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 01:03:37,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 01:03:37,171 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 01:03:37,172 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-05-07 01:03:37,172 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=185, Invalid=745, Unknown=0, NotChecked=0, Total=930 [2024-05-07 01:03:38,859 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 27 treesize of output 23 [2024-05-07 01:03:39,236 INFO L85 PathProgramCache]: Analyzing trace with hash 1055990686, now seen corresponding path program 1 times [2024-05-07 01:03:39,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 01:03:39,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 01:03:39,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 01:03:39,348 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 01:03:39,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 01:03:39,348 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 01:03:39,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 01:03:39,442 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 01:03:39,443 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-05-07 01:03:39,443 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=189, Invalid=803, Unknown=0, NotChecked=0, Total=992 [2024-05-07 01:03:44,441 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 692 treesize of output 644 [2024-05-07 01:03:44,850 INFO L85 PathProgramCache]: Analyzing trace with hash 33161761, now seen corresponding path program 1 times [2024-05-07 01:03:44,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 01:03:44,851 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 01:03:44,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-07 01:03:44,908 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-07 01:03:44,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-07 01:03:48,459 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 37 treesize of output 29 [2024-05-07 01:03:48,772 INFO L85 PathProgramCache]: Analyzing trace with hash 1028015464, now seen corresponding path program 1 times [2024-05-07 01:03:48,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 01:03:48,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 01:03:48,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-07 01:03:48,828 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-07 01:03:48,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-07 01:03:49,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 01:03:49,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-07 01:03:49,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-05-07 01:03:49,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-05-07 01:03:49,071 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,SelfDestructingSolverStorable11,SelfDestructingSolverStorable12,SelfDestructingSolverStorable9,SelfDestructingSolverStorable13,SelfDestructingSolverStorable14,SelfDestructingSolverStorable15 [2024-05-07 01:03:49,072 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-05-07 01:03:49,072 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 01:03:49,072 INFO L85 PathProgramCache]: Analyzing trace with hash -242281523, now seen corresponding path program 4 times [2024-05-07 01:03:49,072 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-07 01:03:49,072 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1901532387] [2024-05-07 01:03:49,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 01:03:49,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 01:03:49,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 01:03:50,575 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 01:03:50,576 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-07 01:03:50,576 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1901532387] [2024-05-07 01:03:50,576 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1901532387] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-07 01:03:50,576 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-07 01:03:50,576 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2024-05-07 01:03:50,576 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1436401402] [2024-05-07 01:03:50,576 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-07 01:03:50,577 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-05-07 01:03:50,577 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-07 01:03:50,577 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-05-07 01:03:50,577 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=254, Unknown=0, NotChecked=0, Total=306 [2024-05-07 01:03:50,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 01:03:50,577 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-07 01:03:50,578 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 15.333333333333334) internal successors, (276), 18 states have internal predecessors, (276), 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 01:03:50,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 01:03:50,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-05-07 01:03:50,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-05-07 01:03:50,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-05-07 01:03:50,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 01:04:02,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 01:04:02,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-07 01:04:02,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-05-07 01:04:02,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-05-07 01:04:02,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-05-07 01:04:02,598 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2024-05-07 01:04:02,599 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2024-05-07 01:04:02,599 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2024-05-07 01:04:02,599 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 4 remaining) [2024-05-07 01:04:02,599 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-05-07 01:04:02,602 INFO L448 BasicCegarLoop]: Path program histogram: [4, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-05-07 01:04:02,605 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-05-07 01:04:02,605 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2024-05-07 01:04:02,606 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.05 01:04:02 BasicIcfg [2024-05-07 01:04:02,607 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-05-07 01:04:02,607 INFO L158 Benchmark]: Toolchain (without parser) took 56833.80ms. Allocated memory was 261.1MB in the beginning and 1.2GB in the end (delta: 943.7MB). Free memory was 226.2MB in the beginning and 820.4MB in the end (delta: -594.2MB). Peak memory consumption was 349.6MB. Max. memory is 8.0GB. [2024-05-07 01:04:02,607 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 192.9MB. Free memory was 165.2MB in the beginning and 165.1MB in the end (delta: 99.4kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2024-05-07 01:04:02,607 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3359.77ms. Allocated memory is still 261.1MB. Free memory was 225.8MB in the beginning and 158.9MB in the end (delta: 66.9MB). Peak memory consumption was 175.9MB. Max. memory is 8.0GB. [2024-05-07 01:04:02,607 INFO L158 Benchmark]: Boogie Procedure Inliner took 141.46ms. Allocated memory is still 261.1MB. Free memory was 158.3MB in the beginning and 149.4MB in the end (delta: 8.9MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2024-05-07 01:04:02,607 INFO L158 Benchmark]: Boogie Preprocessor took 37.27ms. Allocated memory is still 261.1MB. Free memory was 149.4MB in the beginning and 145.2MB in the end (delta: 4.2MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2024-05-07 01:04:02,607 INFO L158 Benchmark]: RCFGBuilder took 809.41ms. Allocated memory is still 261.1MB. Free memory was 144.7MB in the beginning and 99.1MB in the end (delta: 45.6MB). Peak memory consumption was 45.1MB. Max. memory is 8.0GB. [2024-05-07 01:04:02,607 INFO L158 Benchmark]: TraceAbstraction took 52480.54ms. Allocated memory was 261.1MB in the beginning and 1.2GB in the end (delta: 943.7MB). Free memory was 97.5MB in the beginning and 820.4MB in the end (delta: -722.9MB). Peak memory consumption was 220.8MB. Max. memory is 8.0GB. [2024-05-07 01:04:02,608 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 192.9MB. Free memory was 165.2MB in the beginning and 165.1MB in the end (delta: 99.4kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 3359.77ms. Allocated memory is still 261.1MB. Free memory was 225.8MB in the beginning and 158.9MB in the end (delta: 66.9MB). Peak memory consumption was 175.9MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 141.46ms. Allocated memory is still 261.1MB. Free memory was 158.3MB in the beginning and 149.4MB in the end (delta: 8.9MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * Boogie Preprocessor took 37.27ms. Allocated memory is still 261.1MB. Free memory was 149.4MB in the beginning and 145.2MB in the end (delta: 4.2MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 809.41ms. Allocated memory is still 261.1MB. Free memory was 144.7MB in the beginning and 99.1MB in the end (delta: 45.6MB). Peak memory consumption was 45.1MB. Max. memory is 8.0GB. * TraceAbstraction took 52480.54ms. Allocated memory was 261.1MB in the beginning and 1.2GB in the end (delta: 943.7MB). Free memory was 97.5MB in the beginning and 820.4MB in the end (delta: -722.9MB). Peak memory consumption was 220.8MB. 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: 136088, independent: 133150, independent conditional: 132094, independent unconditional: 1056, dependent: 2844, dependent conditional: 2844, dependent unconditional: 0, unknown: 94, unknown conditional: 93, unknown unconditional: 1] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 133949, independent: 133150, independent conditional: 132094, independent unconditional: 1056, dependent: 705, dependent conditional: 705, dependent unconditional: 0, unknown: 94, unknown conditional: 93, unknown unconditional: 1] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 133949, independent: 133150, independent conditional: 132094, independent unconditional: 1056, dependent: 705, dependent conditional: 705, dependent unconditional: 0, unknown: 94, unknown conditional: 93, unknown unconditional: 1] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 133949, independent: 133150, independent conditional: 132094, independent unconditional: 1056, dependent: 705, dependent conditional: 705, dependent unconditional: 0, unknown: 94, unknown conditional: 93, unknown unconditional: 1] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 138210, independent: 133150, independent conditional: 64925, independent unconditional: 68225, dependent: 4619, dependent conditional: 3665, dependent unconditional: 954, unknown: 441, unknown conditional: 347, unknown unconditional: 94] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 138210, independent: 133150, independent conditional: 30900, independent unconditional: 102250, dependent: 4619, dependent conditional: 2419, dependent unconditional: 2200, unknown: 441, unknown conditional: 212, unknown unconditional: 229] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 138210, independent: 133150, independent conditional: 30900, independent unconditional: 102250, dependent: 4619, dependent conditional: 2419, dependent unconditional: 2200, unknown: 441, unknown conditional: 212, unknown unconditional: 229] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 8106, independent: 8001, independent conditional: 1346, independent unconditional: 6655, dependent: 90, dependent conditional: 74, dependent unconditional: 16, unknown: 15, unknown conditional: 12, unknown unconditional: 3] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 8106, independent: 7985, independent conditional: 0, independent unconditional: 7985, dependent: 121, dependent conditional: 0, dependent unconditional: 121, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 121, independent: 16, independent conditional: 16, independent unconditional: 0, dependent: 90, dependent conditional: 74, dependent unconditional: 16, unknown: 15, unknown conditional: 12, unknown unconditional: 3] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 121, independent: 16, independent conditional: 16, independent unconditional: 0, dependent: 90, dependent conditional: 74, dependent unconditional: 16, unknown: 15, unknown conditional: 12, unknown unconditional: 3] , SemanticIndependenceRelation.Query Time [ms]: [ total: 17088, independent: 211, independent conditional: 211, independent unconditional: 0, dependent: 447, dependent conditional: 388, dependent unconditional: 59, unknown: 16430, unknown conditional: 13170, unknown unconditional: 3260] , Protected Queries: 0 ], Cache Queries: [ total: 138210, independent: 125149, independent conditional: 29554, independent unconditional: 95595, dependent: 4529, dependent conditional: 2345, dependent unconditional: 2184, unknown: 8532, unknown conditional: 1632, unknown unconditional: 6900] , Statistics on independence cache: Total cache size (in pairs): 8091, Positive cache size: 8001, Positive conditional cache size: 1346, Positive unconditional cache size: 6655, Negative cache size: 90, Negative conditional cache size: 74, Negative unconditional cache size: 16, Unknown cache size: 15, Unknown conditional cache size: 12, Unknown unconditional cache size: 3, Eliminated conditions: 35406, Maximal queried relation: 8, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 138210, independent: 133150, independent conditional: 64925, independent unconditional: 68225, dependent: 4619, dependent conditional: 3665, dependent unconditional: 954, unknown: 441, unknown conditional: 347, unknown unconditional: 94] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 138210, independent: 133150, independent conditional: 30900, independent unconditional: 102250, dependent: 4619, dependent conditional: 2419, dependent unconditional: 2200, unknown: 441, unknown conditional: 212, unknown unconditional: 229] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 138210, independent: 133150, independent conditional: 30900, independent unconditional: 102250, dependent: 4619, dependent conditional: 2419, dependent unconditional: 2200, unknown: 441, unknown conditional: 212, unknown unconditional: 229] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 8106, independent: 8001, independent conditional: 1346, independent unconditional: 6655, dependent: 90, dependent conditional: 74, dependent unconditional: 16, unknown: 15, unknown conditional: 12, unknown unconditional: 3] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 8106, independent: 7985, independent conditional: 0, independent unconditional: 7985, dependent: 121, dependent conditional: 0, dependent unconditional: 121, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 121, independent: 16, independent conditional: 16, independent unconditional: 0, dependent: 90, dependent conditional: 74, dependent unconditional: 16, unknown: 15, unknown conditional: 12, unknown unconditional: 3] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 121, independent: 16, independent conditional: 16, independent unconditional: 0, dependent: 90, dependent conditional: 74, dependent unconditional: 16, unknown: 15, unknown conditional: 12, unknown unconditional: 3] , SemanticIndependenceRelation.Query Time [ms]: [ total: 17088, independent: 211, independent conditional: 211, independent unconditional: 0, dependent: 447, dependent conditional: 388, dependent unconditional: 59, unknown: 16430, unknown conditional: 13170, unknown unconditional: 3260] , Protected Queries: 0 ], Cache Queries: [ total: 138210, independent: 125149, independent conditional: 29554, independent unconditional: 95595, dependent: 4529, dependent conditional: 2345, dependent unconditional: 2184, unknown: 8532, unknown conditional: 1632, unknown unconditional: 6900] , Statistics on independence cache: Total cache size (in pairs): 8091, Positive cache size: 8001, Positive conditional cache size: 1346, Positive unconditional cache size: 6655, Negative cache size: 90, Negative conditional cache size: 74, Negative unconditional cache size: 16, Unknown cache size: 15, Unknown conditional cache size: 12, Unknown unconditional cache size: 3, Eliminated conditions: 35406 ], Independence queries for same thread: 2139 - 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, 502 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 52.3s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 4, EmptinessCheckTime: 46.8s, 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: 104, 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: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 4.7s InterpolantComputationTime, 1381 NumberOfCodeBlocks, 1381 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 1376 ConstructedInterpolants, 0 QuantifiedInterpolants, 6454 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConditionalCommutativityCheckTime: 27.8s, ConditionalCommutativityIAIntegrations: 0, ConditionalCommutativityDFSRestarts: 4, ConditionalCommutativityConditionCalculations: 90, ConditionalCommutativityTraceChecks: 8, ConditionalCommutativityImperfectProofs: 0 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-05-07 01:04:02,638 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2024-05-07 01:04:02,848 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...