/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 RANDOM --traceabstraction.probability.for.random.criterion 50 --traceabstraction.seed.for.random.criterion 213 --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 13:06:26,134 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-05-07 13:06:26,200 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2024-05-07 13:06:26,204 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-05-07 13:06:26,205 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-05-07 13:06:26,226 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-05-07 13:06:26,226 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-05-07 13:06:26,226 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-05-07 13:06:26,227 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-05-07 13:06:26,230 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-05-07 13:06:26,230 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-05-07 13:06:26,230 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-05-07 13:06:26,231 INFO L153 SettingsManager]: * Use SBE=true [2024-05-07 13:06:26,232 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-05-07 13:06:26,232 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-05-07 13:06:26,232 INFO L153 SettingsManager]: * sizeof long=4 [2024-05-07 13:06:26,232 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-05-07 13:06:26,232 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-05-07 13:06:26,233 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-05-07 13:06:26,233 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-05-07 13:06:26,233 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-05-07 13:06:26,233 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-05-07 13:06:26,233 INFO L153 SettingsManager]: * sizeof long double=12 [2024-05-07 13:06:26,233 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-05-07 13:06:26,234 INFO L153 SettingsManager]: * Use constant arrays=true [2024-05-07 13:06:26,234 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-05-07 13:06:26,234 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-05-07 13:06:26,234 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-05-07 13:06:26,234 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-05-07 13:06:26,234 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-07 13:06:26,235 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-05-07 13:06:26,235 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-05-07 13:06:26,236 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-05-07 13:06:26,236 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-05-07 13:06:26,236 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2024-05-07 13:06:26,236 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-05-07 13:06:26,236 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-05-07 13:06:26,236 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-05-07 13:06:26,236 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-05-07 13:06:26,236 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> DFS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> RANDOM Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: probability for random criterion as percentage -> 50 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: seed for random criterion -> 213 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: use limited checks (recommended for DFS) -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Limit for limited checks -> 10 [2024-05-07 13:06:26,471 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-05-07 13:06:26,485 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-05-07 13:06:26,487 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-05-07 13:06:26,489 INFO L270 PluginConnector]: Initializing CDTParser... [2024-05-07 13:06:26,489 INFO L274 PluginConnector]: CDTParser initialized [2024-05-07 13:06:26,490 INFO L431 ainManager$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 13:06:27,459 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-05-07 13:06:27,888 INFO L384 CDTParser]: Found 1 translation units. [2024-05-07 13:06:27,889 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 13:06:27,928 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/4879e12a8/eb06d16980604b3aaf2f6b3ddc0d29de/FLAG2d20b97cc [2024-05-07 13:06:27,940 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/4879e12a8/eb06d16980604b3aaf2f6b3ddc0d29de [2024-05-07 13:06:27,942 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-05-07 13:06:27,943 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-05-07 13:06:27,945 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-05-07 13:06:27,945 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-05-07 13:06:27,949 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-05-07 13:06:27,949 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.05 01:06:27" (1/1) ... [2024-05-07 13:06:27,950 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@346b2787 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 01:06:27, skipping insertion in model container [2024-05-07 13:06:27,950 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.05 01:06:27" (1/1) ... [2024-05-07 13:06:28,034 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-05-07 13:06:28,257 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 13:06:30,417 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-07 13:06:30,434 INFO L202 MainTranslator]: Completed pre-run [2024-05-07 13:06:30,451 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 13:06:30,517 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 13:06:30,518 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 13:06:30,519 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 13:06:30,519 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 13:06:30,601 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile("ud2"); [5814] [2024-05-07 13:06:30,635 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-07 13:06:31,021 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2024-05-07 13:06:31,022 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2024-05-07 13:06:31,022 WARN L675 CHandler]: The function __xchg_wrong_size is called, but not defined or handled by StandardFunctionHandler. [2024-05-07 13:06:31,022 WARN L675 CHandler]: The function release is called, but not defined or handled by StandardFunctionHandler. [2024-05-07 13:06:31,022 WARN L675 CHandler]: The function ____ilog2_NaN is called, but not defined or handled by StandardFunctionHandler. [2024-05-07 13:06:31,022 WARN L675 CHandler]: The function _whoop_init is called, but not defined or handled by StandardFunctionHandler. [2024-05-07 13:06:31,028 INFO L206 MainTranslator]: Completed translation [2024-05-07 13:06:31,028 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 01:06:31 WrapperNode [2024-05-07 13:06:31,029 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-05-07 13:06:31,029 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-05-07 13:06:31,029 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-05-07 13:06:31,029 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-05-07 13:06:31,035 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 01:06:31" (1/1) ... [2024-05-07 13:06:31,126 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 01:06:31" (1/1) ... [2024-05-07 13:06:31,167 INFO L138 Inliner]: procedures = 1353, calls = 1450, calls flagged for inlining = 347, calls inlined = 19, statements flattened = 324 [2024-05-07 13:06:31,167 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-05-07 13:06:31,168 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-05-07 13:06:31,168 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-05-07 13:06:31,168 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-05-07 13:06:31,175 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 01:06:31" (1/1) ... [2024-05-07 13:06:31,175 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 01:06:31" (1/1) ... [2024-05-07 13:06:31,179 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 01:06:31" (1/1) ... [2024-05-07 13:06:31,179 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 01:06:31" (1/1) ... [2024-05-07 13:06:31,189 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 01:06:31" (1/1) ... [2024-05-07 13:06:31,198 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 01:06:31" (1/1) ... [2024-05-07 13:06:31,201 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 01:06:31" (1/1) ... [2024-05-07 13:06:31,203 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 01:06:31" (1/1) ... [2024-05-07 13:06:31,208 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-05-07 13:06:31,208 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-05-07 13:06:31,208 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-05-07 13:06:31,208 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-05-07 13:06:31,209 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 01:06:31" (1/1) ... [2024-05-07 13:06:31,224 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-07 13:06:31,234 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-07 13:06:31,260 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 13:06:31,299 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 13:06:31,323 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-05-07 13:06:31,324 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-05-07 13:06:31,324 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_nvram_unlocked_ioctl [2024-05-07 13:06:31,324 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_nvram_unlocked_ioctl [2024-05-07 13:06:31,324 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-05-07 13:06:31,324 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-05-07 13:06:31,324 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-05-07 13:06:31,324 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2024-05-07 13:06:31,324 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-05-07 13:06:31,324 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-05-07 13:06:31,325 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-05-07 13:06:31,325 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-05-07 13:06:31,325 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-05-07 13:06:31,325 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-05-07 13:06:31,325 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_write_nvram [2024-05-07 13:06:31,326 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_write_nvram [2024-05-07 13:06:31,326 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-05-07 13:06:31,327 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 13:06:31,634 INFO L241 CfgBuilder]: Building ICFG [2024-05-07 13:06:31,635 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-05-07 13:06:31,956 INFO L282 CfgBuilder]: Performing block encoding [2024-05-07 13:06:31,981 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-05-07 13:06:31,982 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2024-05-07 13:06:31,983 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.05 01:06:31 BoogieIcfgContainer [2024-05-07 13:06:31,983 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-05-07 13:06:31,985 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-05-07 13:06:31,985 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-05-07 13:06:31,988 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-05-07 13:06:31,988 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.05 01:06:27" (1/3) ... [2024-05-07 13:06:31,988 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@792038ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.05 01:06:31, skipping insertion in model container [2024-05-07 13:06:31,989 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 01:06:31" (2/3) ... [2024-05-07 13:06:31,989 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@792038ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.05 01:06:31, skipping insertion in model container [2024-05-07 13:06:31,989 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.05 01:06:31" (3/3) ... [2024-05-07 13:06:31,990 INFO L112 eAbstractionObserver]: Analyzing ICFG char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i [2024-05-07 13:06:31,996 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-05-07 13:06:32,003 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-05-07 13:06:32,003 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-05-07 13:06:32,003 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-05-07 13:06:32,103 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-05-07 13:06:32,138 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-07 13:06:32,138 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-05-07 13:06:32,139 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-07 13:06:32,141 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 13:06:32,154 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 13:06:32,169 INFO L188 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-05-07 13:06:32,179 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 13:06:32,181 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-05-07 13:06:32,187 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;@ac09b92, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=DFS, mConComCheckerCriterion=RANDOM, mConComCheckerLimitedChecksCriterion=true, mConComCheckerCriterionLimit=10, mConComCheckerRandomProb=50, mConComCheckerRandomSeed=213, mConComCheckerConditionCriterion=false [2024-05-07 13:06:32,187 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-05-07 13:06:32,300 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 13:06:32,302 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 13:06:32,302 INFO L85 PathProgramCache]: Analyzing trace with hash 617523, now seen corresponding path program 1 times [2024-05-07 13:06:32,309 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-07 13:06:32,310 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1065850103] [2024-05-07 13:06:32,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 13:06:32,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 13:06:32,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 13:06:32,785 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 13:06:32,785 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-07 13:06:32,785 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1065850103] [2024-05-07 13:06:32,786 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1065850103] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-07 13:06:32,786 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-07 13:06:32,786 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-05-07 13:06:32,787 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1185693553] [2024-05-07 13:06:32,787 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-07 13:06:32,792 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-05-07 13:06:32,792 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-07 13:06:32,806 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-05-07 13:06:32,807 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-05-07 13:06:32,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 13:06:32,808 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-07 13:06:32,810 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 13:06:32,810 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 13:06:32,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 13:06:32,887 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-05-07 13:06:32,888 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 13:06:32,888 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 13:06:32,888 INFO L85 PathProgramCache]: Analyzing trace with hash 328183117, now seen corresponding path program 1 times [2024-05-07 13:06:32,888 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-07 13:06:32,888 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1861819558] [2024-05-07 13:06:32,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 13:06:32,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 13:06:33,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 13:06:33,760 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 13:06:33,760 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-07 13:06:33,760 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1861819558] [2024-05-07 13:06:33,760 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1861819558] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-07 13:06:33,761 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-07 13:06:33,761 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-05-07 13:06:33,762 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [960507115] [2024-05-07 13:06:33,762 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-07 13:06:33,765 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-05-07 13:06:33,766 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-07 13:06:33,766 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-05-07 13:06:33,767 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-05-07 13:06:33,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 13:06:33,767 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-07 13:06:33,768 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 13:06:33,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 13:06:33,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 13:06:35,239 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 13:06:35,297 INFO L85 PathProgramCache]: Analyzing trace with hash 158259967, now seen corresponding path program 1 times [2024-05-07 13:06:35,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 13:06:35,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 13:06:35,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 13:06:36,215 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 13:06:36,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 13:06:36,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 13:06:36,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 13:06:37,125 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 13:06:37,126 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-05-07 13:06:37,127 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2024-05-07 13:06:37,755 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 13:06:37,992 INFO L85 PathProgramCache]: Analyzing trace with hash 1604179460, now seen corresponding path program 1 times [2024-05-07 13:06:37,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 13:06:37,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 13:06:38,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-07 13:06:38,092 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-07 13:06:38,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-07 13:06:38,531 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 13:06:38,660 INFO L85 PathProgramCache]: Analyzing trace with hash -1810043419, now seen corresponding path program 1 times [2024-05-07 13:06:38,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 13:06:38,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 13:06:38,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-07 13:06:38,718 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-07 13:06:38,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-07 13:06:38,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 13:06:38,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-07 13:06:38,872 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,SelfDestructingSolverStorable3,SelfDestructingSolverStorable2,SelfDestructingSolverStorable1,SelfDestructingSolverStorable5 [2024-05-07 13:06:38,872 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 13:06:38,873 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 13:06:38,873 INFO L85 PathProgramCache]: Analyzing trace with hash -323188667, now seen corresponding path program 2 times [2024-05-07 13:06:38,873 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-07 13:06:38,873 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [444377130] [2024-05-07 13:06:38,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 13:06:38,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 13:06:38,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 13:06:39,885 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 13:06:39,886 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-07 13:06:39,886 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [444377130] [2024-05-07 13:06:39,886 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [444377130] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-07 13:06:39,886 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-07 13:06:39,886 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-05-07 13:06:39,886 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1647125054] [2024-05-07 13:06:39,886 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-07 13:06:39,887 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-05-07 13:06:39,887 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-07 13:06:39,887 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-05-07 13:06:39,888 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2024-05-07 13:06:39,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 13:06:39,888 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-07 13:06:39,888 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 19.714285714285715) internal successors, (276), 14 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 13:06:39,888 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 13:06:39,888 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-07 13:06:39,888 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 13:06:46,603 INFO L349 Elim1Store]: treesize reduction 9, result has 30.8 percent of original size [2024-05-07 13:06:46,604 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 51 treesize of output 41 [2024-05-07 13:06:46,818 INFO L85 PathProgramCache]: Analyzing trace with hash 1551171346, now seen corresponding path program 1 times [2024-05-07 13:06:46,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 13:06:46,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 13:06:46,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-07 13:06:46,865 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-07 13:06:46,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-07 13:06:47,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 13:06:47,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-07 13:06:47,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-05-07 13:06:47,160 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,SelfDestructingSolverStorable6 [2024-05-07 13:06:47,161 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 13:06:47,161 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 13:06:47,161 INFO L85 PathProgramCache]: Analyzing trace with hash 1298725197, now seen corresponding path program 3 times [2024-05-07 13:06:47,161 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-07 13:06:47,164 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [57218379] [2024-05-07 13:06:47,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 13:06:47,164 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 13:06:47,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 13:06:50,363 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 13:06:50,364 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-07 13:06:50,364 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [57218379] [2024-05-07 13:06:50,364 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [57218379] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-07 13:06:50,364 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-07 13:06:50,364 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [33] imperfect sequences [] total 33 [2024-05-07 13:06:50,364 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [472244013] [2024-05-07 13:06:50,364 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-07 13:06:50,364 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2024-05-07 13:06:50,365 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-07 13:06:50,365 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2024-05-07 13:06:50,366 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=104, Invalid=952, Unknown=0, NotChecked=0, Total=1056 [2024-05-07 13:06:50,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 13:06:50,366 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-07 13:06:50,366 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 33 states have (on average 8.363636363636363) internal successors, (276), 33 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 13:06:50,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 13:06:50,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-05-07 13:06:50,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-05-07 13:06:50,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 13:06:54,579 INFO L349 Elim1Store]: treesize reduction 9, result has 30.8 percent of original size [2024-05-07 13:06:54,579 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 37 treesize of output 31 [2024-05-07 13:06:55,414 INFO L85 PathProgramCache]: Analyzing trace with hash -1275958159, now seen corresponding path program 1 times [2024-05-07 13:06:55,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 13:06:55,415 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 13:06:55,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-07 13:06:55,467 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-07 13:06:55,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-07 13:06:55,985 INFO L349 Elim1Store]: treesize reduction 10, result has 9.1 percent of original size [2024-05-07 13:06:55,986 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 41 treesize of output 33 [2024-05-07 13:06:56,494 INFO L85 PathProgramCache]: Analyzing trace with hash 1194795202, now seen corresponding path program 1 times [2024-05-07 13:06:56,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 13:06:56,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 13:06:56,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 13:06:56,592 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 13:06:56,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 13:06:56,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 13:06:56,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 13:06:56,719 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 13:06:56,720 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-05-07 13:06:56,720 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=166, Invalid=484, Unknown=0, NotChecked=0, Total=650 [2024-05-07 13:07:02,242 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 680 treesize of output 632 [2024-05-07 13:07:02,701 INFO L85 PathProgramCache]: Analyzing trace with hash 33161761, now seen corresponding path program 1 times [2024-05-07 13:07:02,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 13:07:02,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 13:07:02,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-07 13:07:02,754 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-07 13:07:02,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-07 13:07:06,331 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 29 [2024-05-07 13:07:06,845 INFO L85 PathProgramCache]: Analyzing trace with hash 1028015464, now seen corresponding path program 1 times [2024-05-07 13:07:06,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 13:07:06,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 13:07:06,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-07 13:07:06,915 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-07 13:07:06,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-07 13:07:07,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 13:07:07,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-07 13:07:07,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-05-07 13:07:07,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-05-07 13:07:07,225 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,SelfDestructingSolverStorable10,SelfDestructingSolverStorable11,SelfDestructingSolverStorable12,SelfDestructingSolverStorable9,SelfDestructingSolverStorable13 [2024-05-07 13:07:07,225 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 13:07:07,226 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 13:07:07,226 INFO L85 PathProgramCache]: Analyzing trace with hash -242281523, now seen corresponding path program 4 times [2024-05-07 13:07:07,226 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-07 13:07:07,226 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [21253220] [2024-05-07 13:07:07,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 13:07:07,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 13:07:07,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 13:07:08,861 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 13:07:08,861 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-07 13:07:08,861 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [21253220] [2024-05-07 13:07:08,861 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [21253220] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-07 13:07:08,861 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-07 13:07:08,861 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2024-05-07 13:07:08,861 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1734520205] [2024-05-07 13:07:08,861 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-07 13:07:08,862 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-05-07 13:07:08,862 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-07 13:07:08,862 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-05-07 13:07:08,863 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=285, Unknown=0, NotChecked=0, Total=342 [2024-05-07 13:07:08,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 13:07:08,863 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-07 13:07:08,863 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 14.526315789473685) internal successors, (276), 19 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 13:07:08,863 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 13:07:08,863 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-05-07 13:07:08,863 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-05-07 13:07:08,863 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2024-05-07 13:07:08,863 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 13:07:13,571 INFO L349 Elim1Store]: treesize reduction 9, result has 30.8 percent of original size [2024-05-07 13:07:13,571 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 37 treesize of output 31 [2024-05-07 13:07:14,667 INFO L85 PathProgramCache]: Analyzing trace with hash -1275958159, now seen corresponding path program 2 times [2024-05-07 13:07:14,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 13:07:14,667 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 13:07:14,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 13:07:14,968 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 13:07:14,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 13:07:14,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 13:07:15,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 13:07:15,174 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 13:07:15,175 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-05-07 13:07:15,176 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=174, Invalid=696, Unknown=0, NotChecked=0, Total=870 [2024-05-07 13:07:27,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 13:07:27,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-07 13:07:27,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-05-07 13:07:27,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-05-07 13:07:27,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-05-07 13:07:27,706 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2024-05-07 13:07:27,707 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2024-05-07 13:07:27,707 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2024-05-07 13:07:27,707 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 4 remaining) [2024-05-07 13:07:27,707 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,SelfDestructingSolverStorable15,SelfDestructingSolverStorable16 [2024-05-07 13:07:27,710 INFO L448 BasicCegarLoop]: Path program histogram: [4, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-05-07 13:07:27,713 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-05-07 13:07:27,713 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2024-05-07 13:07:27,715 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.05 01:07:27 BasicIcfg [2024-05-07 13:07:27,715 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-05-07 13:07:27,715 INFO L158 Benchmark]: Toolchain (without parser) took 59771.81ms. Allocated memory was 312.5MB in the beginning and 1.1GB in the end (delta: 790.6MB). Free memory was 231.6MB in the beginning and 667.6MB in the end (delta: -436.0MB). Peak memory consumption was 355.4MB. Max. memory is 8.0GB. [2024-05-07 13:07:27,715 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 312.5MB. Free memory is still 282.8MB. There was no memory consumed. Max. memory is 8.0GB. [2024-05-07 13:07:27,715 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3083.39ms. Allocated memory was 312.5MB in the beginning and 525.3MB in the end (delta: 212.9MB). Free memory was 231.4MB in the beginning and 438.6MB in the end (delta: -207.2MB). Peak memory consumption was 127.6MB. Max. memory is 8.0GB. [2024-05-07 13:07:27,715 INFO L158 Benchmark]: Boogie Procedure Inliner took 138.15ms. Allocated memory is still 525.3MB. Free memory was 438.6MB in the beginning and 429.7MB in the end (delta: 8.9MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2024-05-07 13:07:27,716 INFO L158 Benchmark]: Boogie Preprocessor took 39.75ms. Allocated memory is still 525.3MB. Free memory was 429.7MB in the beginning and 425.0MB in the end (delta: 4.7MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2024-05-07 13:07:27,716 INFO L158 Benchmark]: RCFGBuilder took 774.81ms. Allocated memory is still 525.3MB. Free memory was 425.0MB in the beginning and 379.9MB in the end (delta: 45.1MB). Peak memory consumption was 45.1MB. Max. memory is 8.0GB. [2024-05-07 13:07:27,716 INFO L158 Benchmark]: TraceAbstraction took 55730.15ms. Allocated memory was 525.3MB in the beginning and 1.1GB in the end (delta: 577.8MB). Free memory was 378.9MB in the beginning and 667.6MB in the end (delta: -288.8MB). Peak memory consumption was 289.0MB. Max. memory is 8.0GB. [2024-05-07 13:07:27,716 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 312.5MB. Free memory is still 282.8MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 3083.39ms. Allocated memory was 312.5MB in the beginning and 525.3MB in the end (delta: 212.9MB). Free memory was 231.4MB in the beginning and 438.6MB in the end (delta: -207.2MB). Peak memory consumption was 127.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 138.15ms. Allocated memory is still 525.3MB. Free memory was 438.6MB in the beginning and 429.7MB in the end (delta: 8.9MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * Boogie Preprocessor took 39.75ms. Allocated memory is still 525.3MB. Free memory was 429.7MB in the beginning and 425.0MB in the end (delta: 4.7MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * RCFGBuilder took 774.81ms. Allocated memory is still 525.3MB. Free memory was 425.0MB in the beginning and 379.9MB in the end (delta: 45.1MB). Peak memory consumption was 45.1MB. Max. memory is 8.0GB. * TraceAbstraction took 55730.15ms. Allocated memory was 525.3MB in the beginning and 1.1GB in the end (delta: 577.8MB). Free memory was 378.9MB in the beginning and 667.6MB in the end (delta: -288.8MB). Peak memory consumption was 289.0MB. 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: 125262, independent: 122489, independent conditional: 121433, independent unconditional: 1056, dependent: 2695, dependent conditional: 2695, dependent unconditional: 0, unknown: 78, unknown conditional: 77, unknown unconditional: 1] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 123242, independent: 122489, independent conditional: 121433, independent unconditional: 1056, dependent: 675, dependent conditional: 675, dependent unconditional: 0, unknown: 78, unknown conditional: 77, unknown unconditional: 1] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 123242, independent: 122489, independent conditional: 121433, independent unconditional: 1056, dependent: 675, dependent conditional: 675, dependent unconditional: 0, unknown: 78, unknown conditional: 77, unknown unconditional: 1] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 123242, independent: 122489, independent conditional: 121433, independent unconditional: 1056, dependent: 675, dependent conditional: 675, dependent unconditional: 0, unknown: 78, unknown conditional: 77, unknown unconditional: 1] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 126535, independent: 122489, independent conditional: 59731, independent unconditional: 62758, dependent: 3711, dependent conditional: 2832, dependent unconditional: 879, unknown: 335, unknown conditional: 255, unknown unconditional: 80] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 126535, independent: 122489, independent conditional: 26922, independent unconditional: 95567, dependent: 3711, dependent conditional: 1833, dependent unconditional: 1878, unknown: 335, unknown conditional: 176, unknown unconditional: 159] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 126535, independent: 122489, independent conditional: 26922, independent unconditional: 95567, dependent: 3711, dependent conditional: 1833, dependent unconditional: 1878, unknown: 335, unknown conditional: 176, unknown unconditional: 159] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 8030, independent: 7945, independent conditional: 1327, independent unconditional: 6618, dependent: 71, dependent conditional: 57, dependent unconditional: 14, unknown: 14, unknown conditional: 11, unknown unconditional: 3] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 8030, independent: 7929, independent conditional: 0, independent unconditional: 7929, dependent: 101, dependent conditional: 0, dependent unconditional: 101, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 101, independent: 16, independent conditional: 16, independent unconditional: 0, dependent: 71, dependent conditional: 57, dependent unconditional: 14, unknown: 14, unknown conditional: 11, unknown unconditional: 3] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 101, independent: 16, independent conditional: 16, independent unconditional: 0, dependent: 71, dependent conditional: 57, dependent unconditional: 14, unknown: 14, unknown conditional: 11, unknown unconditional: 3] , SemanticIndependenceRelation.Query Time [ms]: [ total: 15757, independent: 166, independent conditional: 166, independent unconditional: 0, dependent: 401, dependent conditional: 377, dependent unconditional: 25, unknown: 15189, unknown conditional: 11931, unknown unconditional: 3258] , Protected Queries: 0 ], Cache Queries: [ total: 126535, independent: 114544, independent conditional: 25595, independent unconditional: 88949, dependent: 3640, dependent conditional: 1776, dependent unconditional: 1864, unknown: 8351, unknown conditional: 1560, unknown unconditional: 6791] , Statistics on independence cache: Total cache size (in pairs): 8016, Positive cache size: 7945, Positive conditional cache size: 1327, Positive unconditional cache size: 6618, Negative cache size: 71, Negative conditional cache size: 57, Negative unconditional cache size: 14, Unknown cache size: 14, Unknown conditional cache size: 11, Unknown unconditional cache size: 3, Eliminated conditions: 33887, Maximal queried relation: 7, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 126535, independent: 122489, independent conditional: 59731, independent unconditional: 62758, dependent: 3711, dependent conditional: 2832, dependent unconditional: 879, unknown: 335, unknown conditional: 255, unknown unconditional: 80] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 126535, independent: 122489, independent conditional: 26922, independent unconditional: 95567, dependent: 3711, dependent conditional: 1833, dependent unconditional: 1878, unknown: 335, unknown conditional: 176, unknown unconditional: 159] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 126535, independent: 122489, independent conditional: 26922, independent unconditional: 95567, dependent: 3711, dependent conditional: 1833, dependent unconditional: 1878, unknown: 335, unknown conditional: 176, unknown unconditional: 159] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 8030, independent: 7945, independent conditional: 1327, independent unconditional: 6618, dependent: 71, dependent conditional: 57, dependent unconditional: 14, unknown: 14, unknown conditional: 11, unknown unconditional: 3] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 8030, independent: 7929, independent conditional: 0, independent unconditional: 7929, dependent: 101, dependent conditional: 0, dependent unconditional: 101, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 101, independent: 16, independent conditional: 16, independent unconditional: 0, dependent: 71, dependent conditional: 57, dependent unconditional: 14, unknown: 14, unknown conditional: 11, unknown unconditional: 3] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 101, independent: 16, independent conditional: 16, independent unconditional: 0, dependent: 71, dependent conditional: 57, dependent unconditional: 14, unknown: 14, unknown conditional: 11, unknown unconditional: 3] , SemanticIndependenceRelation.Query Time [ms]: [ total: 15757, independent: 166, independent conditional: 166, independent unconditional: 0, dependent: 401, dependent conditional: 377, dependent unconditional: 25, unknown: 15189, unknown conditional: 11931, unknown unconditional: 3258] , Protected Queries: 0 ], Cache Queries: [ total: 126535, independent: 114544, independent conditional: 25595, independent unconditional: 88949, dependent: 3640, dependent conditional: 1776, dependent unconditional: 1864, unknown: 8351, unknown conditional: 1560, unknown unconditional: 6791] , Statistics on independence cache: Total cache size (in pairs): 8016, Positive cache size: 7945, Positive conditional cache size: 1327, Positive unconditional cache size: 6618, Negative cache size: 71, Negative conditional cache size: 57, Negative unconditional cache size: 14, Unknown cache size: 14, Unknown conditional cache size: 11, Unknown unconditional cache size: 3, Eliminated conditions: 33887 ], Independence queries for same thread: 2020 - 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: 55.6s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 4, EmptinessCheckTime: 48.3s, 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: 107, 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, 0.5s SatisfiabilityAnalysisTime, 6.4s InterpolantComputationTime, 1381 NumberOfCodeBlocks, 1381 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 1376 ConstructedInterpolants, 0 QuantifiedInterpolants, 7107 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: 29.9s, ConditionalCommutativityIAIntegrations: 0, ConditionalCommutativityDFSRestarts: 3, ConditionalCommutativityConditionCalculations: 72, ConditionalCommutativityTraceChecks: 9, ConditionalCommutativityImperfectProofs: 0 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-05-07 13:07:27,755 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 13:07:27,950 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...