/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 DEFAULT --traceabstraction.use.limited.checks.recommended.for.dfs true --traceabstraction.limit.for.limited.checks 10 -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_nvram_llseek_read_nvram.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.conditional-comm-3774817-m [2024-04-05 13:43:58,613 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-04-05 13:43:58,651 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2024-04-05 13:43:58,654 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-04-05 13:43:58,655 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-04-05 13:43:58,668 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-04-05 13:43:58,668 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-04-05 13:43:58,669 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-04-05 13:43:58,670 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-04-05 13:43:58,673 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-04-05 13:43:58,673 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-04-05 13:43:58,673 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-04-05 13:43:58,674 INFO L153 SettingsManager]: * Use SBE=true [2024-04-05 13:43:58,674 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-04-05 13:43:58,674 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-04-05 13:43:58,674 INFO L153 SettingsManager]: * sizeof long=4 [2024-04-05 13:43:58,674 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-04-05 13:43:58,674 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-04-05 13:43:58,675 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-04-05 13:43:58,675 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-04-05 13:43:58,675 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-04-05 13:43:58,675 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-04-05 13:43:58,676 INFO L153 SettingsManager]: * sizeof long double=12 [2024-04-05 13:43:58,676 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-04-05 13:43:58,676 INFO L153 SettingsManager]: * Use constant arrays=true [2024-04-05 13:43:58,676 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-04-05 13:43:58,677 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-04-05 13:43:58,677 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-04-05 13:43:58,677 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-04-05 13:43:58,677 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-04-05 13:43:58,678 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-04-05 13:43:58,678 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-04-05 13:43:58,678 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-04-05 13:43:58,678 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-04-05 13:43:58,678 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2024-04-05 13:43:58,679 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-04-05 13:43:58,679 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-04-05 13:43:58,679 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-04-05 13:43:58,679 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-04-05 13:43:58,679 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> DFS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> DEFAULT Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: use limited checks (recommended for DFS) -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Limit for limited checks -> 10 [2024-04-05 13:43:58,877 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-04-05 13:43:58,903 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-04-05 13:43:58,905 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-04-05 13:43:58,906 INFO L270 PluginConnector]: Initializing CDTParser... [2024-04-05 13:43:58,908 INFO L274 PluginConnector]: CDTParser initialized [2024-04-05 13:43:58,909 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_nvram_llseek_read_nvram.i [2024-04-05 13:43:59,998 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-04-05 13:44:00,406 INFO L384 CDTParser]: Found 1 translation units. [2024-04-05 13:44:00,407 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_nvram_llseek_read_nvram.i [2024-04-05 13:44:00,439 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/eefe52730/47bce72ba19b40128b2f3e413c6a1f4a/FLAG6b2c6d7f2 [2024-04-05 13:44:00,469 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/eefe52730/47bce72ba19b40128b2f3e413c6a1f4a [2024-04-05 13:44:00,471 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-04-05 13:44:00,472 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-04-05 13:44:00,473 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-04-05 13:44:00,473 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-04-05 13:44:00,480 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-04-05 13:44:00,480 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.04 01:44:00" (1/1) ... [2024-04-05 13:44:00,481 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b4a4f14 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 01:44:00, skipping insertion in model container [2024-04-05 13:44:00,481 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.04 01:44:00" (1/1) ... [2024-04-05 13:44:00,588 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-04-05 13:44:00,876 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_nvram_llseek_read_nvram.i[5469,5482] [2024-04-05 13:44:03,127 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-04-05 13:44:03,148 INFO L202 MainTranslator]: Completed pre-run [2024-04-05 13:44:03,169 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_nvram_llseek_read_nvram.i[5469,5482] [2024-04-05 13:44:03,286 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] [2024-04-05 13:44:03,288 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] [2024-04-05 13:44:03,288 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] [2024-04-05 13:44:03,288 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] [2024-04-05 13:44:03,360 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile("ud2"); [5814] [2024-04-05 13:44:03,394 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-04-05 13:44:03,731 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2024-04-05 13:44:03,732 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2024-04-05 13:44:03,732 WARN L675 CHandler]: The function __xchg_wrong_size is called, but not defined or handled by StandardFunctionHandler. [2024-04-05 13:44:03,732 WARN L675 CHandler]: The function release is called, but not defined or handled by StandardFunctionHandler. [2024-04-05 13:44:03,732 WARN L675 CHandler]: The function ____ilog2_NaN is called, but not defined or handled by StandardFunctionHandler. [2024-04-05 13:44:03,732 WARN L675 CHandler]: The function _whoop_init is called, but not defined or handled by StandardFunctionHandler. [2024-04-05 13:44:03,738 INFO L206 MainTranslator]: Completed translation [2024-04-05 13:44:03,738 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 01:44:03 WrapperNode [2024-04-05 13:44:03,738 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-04-05 13:44:03,739 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-04-05 13:44:03,739 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-04-05 13:44:03,739 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-04-05 13:44:03,745 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 01:44:03" (1/1) ... [2024-04-05 13:44:03,837 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 01:44:03" (1/1) ... [2024-04-05 13:44:03,904 INFO L138 Inliner]: procedures = 1353, calls = 1450, calls flagged for inlining = 347, calls inlined = 15, statements flattened = 323 [2024-04-05 13:44:03,905 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-04-05 13:44:03,905 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-04-05 13:44:03,906 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-04-05 13:44:03,906 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-04-05 13:44:03,914 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 01:44:03" (1/1) ... [2024-04-05 13:44:03,914 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 01:44:03" (1/1) ... [2024-04-05 13:44:03,926 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 01:44:03" (1/1) ... [2024-04-05 13:44:03,927 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 01:44:03" (1/1) ... [2024-04-05 13:44:03,952 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 01:44:03" (1/1) ... [2024-04-05 13:44:03,955 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 01:44:03" (1/1) ... [2024-04-05 13:44:03,958 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 01:44:03" (1/1) ... [2024-04-05 13:44:03,960 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 01:44:03" (1/1) ... [2024-04-05 13:44:03,981 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-04-05 13:44:03,982 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-04-05 13:44:03,982 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-04-05 13:44:03,982 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-04-05 13:44:03,983 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 01:44:03" (1/1) ... [2024-04-05 13:44:03,988 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-04-05 13:44:03,997 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 13:44:04,010 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) [2024-04-05 13:44:04,030 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 [2024-04-05 13:44:04,061 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-04-05 13:44:04,061 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-04-05 13:44:04,061 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-04-05 13:44:04,062 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-04-05 13:44:04,062 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-04-05 13:44:04,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2024-04-05 13:44:04,062 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-04-05 13:44:04,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-04-05 13:44:04,062 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_read_nvram [2024-04-05 13:44:04,062 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_read_nvram [2024-04-05 13:44:04,062 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-04-05 13:44:04,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-04-05 13:44:04,063 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-04-05 13:44:04,063 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_nvram_llseek [2024-04-05 13:44:04,063 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_nvram_llseek [2024-04-05 13:44:04,064 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-04-05 13:44:04,412 INFO L241 CfgBuilder]: Building ICFG [2024-04-05 13:44:04,413 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-04-05 13:44:04,722 INFO L282 CfgBuilder]: Performing block encoding [2024-04-05 13:44:04,732 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-04-05 13:44:04,732 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2024-04-05 13:44:04,733 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.04 01:44:04 BoogieIcfgContainer [2024-04-05 13:44:04,734 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-04-05 13:44:04,735 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-04-05 13:44:04,736 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-04-05 13:44:04,738 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-04-05 13:44:04,738 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.04 01:44:00" (1/3) ... [2024-04-05 13:44:04,738 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34a43836 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.04 01:44:04, skipping insertion in model container [2024-04-05 13:44:04,738 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 01:44:03" (2/3) ... [2024-04-05 13:44:04,739 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34a43836 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.04 01:44:04, skipping insertion in model container [2024-04-05 13:44:04,739 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.04 01:44:04" (3/3) ... [2024-04-05 13:44:04,740 INFO L112 eAbstractionObserver]: Analyzing ICFG char_generic_nvram_nvram_llseek_read_nvram.i [2024-04-05 13:44:04,746 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-04-05 13:44:04,753 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-04-05 13:44:04,754 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-04-05 13:44:04,754 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-04-05 13:44:04,823 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-04-05 13:44:04,855 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-04-05 13:44:04,855 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-04-05 13:44:04,856 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 13:44:04,858 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) [2024-04-05 13:44:04,859 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 [2024-04-05 13:44:04,882 INFO L184 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-04-05 13:44:04,892 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 13:44:04,893 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-04-05 13:44:04,898 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;@5ae1060c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=DFS, mConComCheckerCriterion=DEFAULT, mConComCheckerLimitedChecksCriterion=true, mConComCheckerCriterionLimit=10, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123 [2024-04-05 13:44:04,898 INFO L358 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2024-04-05 13:44:05,082 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting whoop_wrapper_nvram_llseekErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-04-05 13:44:05,085 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 13:44:05,085 INFO L85 PathProgramCache]: Analyzing trace with hash -1760256714, now seen corresponding path program 1 times [2024-04-05 13:44:05,092 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 13:44:05,093 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1662189035] [2024-04-05 13:44:05,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 13:44:05,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 13:44:05,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 13:44:05,500 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-05 13:44:05,500 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 13:44:05,500 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1662189035] [2024-04-05 13:44:05,501 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1662189035] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-05 13:44:05,501 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-05 13:44:05,501 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-04-05 13:44:05,502 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [584858741] [2024-04-05 13:44:05,502 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-05 13:44:05,513 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-04-05 13:44:05,513 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 13:44:05,534 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-04-05 13:44:05,534 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-04-05 13:44:05,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 13:44:05,536 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 13:44:05,537 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 119.5) internal successors, (239), 2 states have internal predecessors, (239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-05 13:44:05,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 13:44:05,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 13:44:05,600 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-04-05 13:44:05,600 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting whoop_wrapper_nvram_llseekErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-04-05 13:44:05,601 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 13:44:05,602 INFO L85 PathProgramCache]: Analyzing trace with hash 1631289018, now seen corresponding path program 1 times [2024-04-05 13:44:05,602 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 13:44:05,602 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1772725746] [2024-04-05 13:44:05,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 13:44:05,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 13:44:05,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 13:44:06,329 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-05 13:44:06,330 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 13:44:06,330 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1772725746] [2024-04-05 13:44:06,330 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1772725746] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-05 13:44:06,330 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-05 13:44:06,331 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-04-05 13:44:06,331 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [905108460] [2024-04-05 13:44:06,332 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-05 13:44:06,334 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-04-05 13:44:06,334 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 13:44:06,337 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-04-05 13:44:06,337 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-04-05 13:44:06,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 13:44:06,338 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 13:44:06,338 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 39.666666666666664) internal successors, (238), 6 states have internal predecessors, (238), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-05 13:44:06,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 13:44:06,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 13:44:06,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 13:44:06,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-05 13:44:06,725 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-04-05 13:44:06,726 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-04-05 13:44:06,727 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 13:44:06,727 INFO L85 PathProgramCache]: Analyzing trace with hash -444262046, now seen corresponding path program 1 times [2024-04-05 13:44:06,727 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 13:44:06,727 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [404743360] [2024-04-05 13:44:06,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 13:44:06,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 13:44:06,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 13:44:07,159 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-05 13:44:07,160 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 13:44:07,160 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [404743360] [2024-04-05 13:44:07,160 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [404743360] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-05 13:44:07,160 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-05 13:44:07,160 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-04-05 13:44:07,161 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1456671470] [2024-04-05 13:44:07,161 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-05 13:44:07,161 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-04-05 13:44:07,162 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 13:44:07,162 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-04-05 13:44:07,165 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-04-05 13:44:07,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 13:44:07,165 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 13:44:07,165 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 41.5) internal successors, (249), 6 states have internal predecessors, (249), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-05 13:44:07,165 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 13:44:07,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-05 13:44:07,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 13:44:07,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 13:44:07,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-05 13:44:07,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-05 13:44:07,520 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-04-05 13:44:07,520 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting whoop_wrapper_nvram_llseekErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-04-05 13:44:07,520 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 13:44:07,520 INFO L85 PathProgramCache]: Analyzing trace with hash -1492902570, now seen corresponding path program 1 times [2024-04-05 13:44:07,521 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 13:44:07,521 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1984186986] [2024-04-05 13:44:07,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 13:44:07,521 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 13:44:07,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 13:44:08,143 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-05 13:44:08,144 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 13:44:08,144 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1984186986] [2024-04-05 13:44:08,144 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1984186986] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-05 13:44:08,145 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-05 13:44:08,145 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-04-05 13:44:08,147 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [400418763] [2024-04-05 13:44:08,147 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-05 13:44:08,148 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-04-05 13:44:08,148 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 13:44:08,148 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-04-05 13:44:08,149 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-04-05 13:44:08,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 13:44:08,152 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 13:44:08,153 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 34.625) internal successors, (277), 8 states have internal predecessors, (277), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-05 13:44:08,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 13:44:08,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-05 13:44:08,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-05 13:44:08,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 13:44:08,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 13:44:08,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-05 13:44:08,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-05 13:44:08,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-04-05 13:44:08,573 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-04-05 13:44:08,573 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting whoop_wrapper_nvram_llseekErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-04-05 13:44:08,574 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 13:44:08,574 INFO L85 PathProgramCache]: Analyzing trace with hash 1355694296, now seen corresponding path program 1 times [2024-04-05 13:44:08,574 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 13:44:08,574 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1038096034] [2024-04-05 13:44:08,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 13:44:08,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 13:44:08,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 13:44:09,528 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-05 13:44:09,529 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 13:44:09,529 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1038096034] [2024-04-05 13:44:09,529 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1038096034] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-05 13:44:09,529 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-05 13:44:09,529 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-04-05 13:44:09,529 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [981643362] [2024-04-05 13:44:09,529 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-05 13:44:09,529 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-04-05 13:44:09,530 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 13:44:09,530 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-04-05 13:44:09,530 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2024-04-05 13:44:09,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 13:44:09,530 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 13:44:09,531 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 16.066666666666666) internal successors, (241), 15 states have internal predecessors, (241), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-05 13:44:09,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 13:44:09,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-05 13:44:09,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-05 13:44:09,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-04-05 13:44:09,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 13:44:12,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 13:44:12,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-05 13:44:12,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-05 13:44:12,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-04-05 13:44:12,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-04-05 13:44:12,354 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-04-05 13:44:12,354 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-04-05 13:44:12,354 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 13:44:12,354 INFO L85 PathProgramCache]: Analyzing trace with hash 903402983, now seen corresponding path program 1 times [2024-04-05 13:44:12,354 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 13:44:12,355 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019058618] [2024-04-05 13:44:12,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 13:44:12,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 13:44:12,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 13:44:13,442 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-05 13:44:13,442 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 13:44:13,442 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019058618] [2024-04-05 13:44:13,442 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2019058618] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-05 13:44:13,442 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-05 13:44:13,442 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-04-05 13:44:13,443 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1876385049] [2024-04-05 13:44:13,443 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-05 13:44:13,443 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-04-05 13:44:13,446 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 13:44:13,448 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-04-05 13:44:13,448 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=181, Unknown=0, NotChecked=0, Total=210 [2024-04-05 13:44:13,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 13:44:13,449 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 13:44:13,449 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 17.333333333333332) internal successors, (260), 15 states have internal predecessors, (260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-05 13:44:13,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 13:44:13,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-05 13:44:13,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-05 13:44:13,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-04-05 13:44:13,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-04-05 13:44:13,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 13:44:16,311 INFO L349 Elim1Store]: treesize reduction 10, result has 9.1 percent of original size [2024-04-05 13:44:16,313 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 37 treesize of output 29 [2024-04-05 13:44:16,629 INFO L85 PathProgramCache]: Analyzing trace with hash 769815499, now seen corresponding path program 1 times [2024-04-05 13:44:16,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 13:44:16,631 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 13:44:16,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 13:44:16,754 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-05 13:44:16,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 13:44:16,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 13:44:16,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 13:44:16,904 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-05 13:44:16,904 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-04-05 13:44:16,905 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-04-05 13:44:22,456 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 [2024-04-05 13:44:22,724 INFO L85 PathProgramCache]: Analyzing trace with hash -835018394, now seen corresponding path program 1 times [2024-04-05 13:44:22,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 13:44:22,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 13:44:22,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 13:44:23,258 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-05 13:44:23,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 13:44:23,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 13:44:23,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 13:44:23,631 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-05 13:44:23,632 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-04-05 13:44:23,632 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-04-05 13:44:24,762 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 [2024-04-05 13:44:25,203 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,SelfDestructingSolverStorable7,SelfDestructingSolverStorable6,SelfDestructingSolverStorable5,SelfDestructingSolverStorable9 [2024-04-05 13:44:25,203 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.IllegalStateException: ManagedScript already locked by de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker@1a3eb5a5 at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.lock(ManagedScript.java:82) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.MonolithicHoareTripleChecker.isInductive(MonolithicHoareTripleChecker.java:174) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.MonolithicHoareTripleChecker.isInductive(MonolithicHoareTripleChecker.java:156) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.MonolithicHoareTripleChecker.checkInternal(MonolithicHoareTripleChecker.java:83) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton$InternalSuccessorComputationHelper.computeSuccWithSolver(AbstractInterpolantAutomaton.java:357) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.chooseFalseSuccessor2(BasicAbstractInterpolantAutomaton.java:107) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.computeSuccs(BasicAbstractInterpolantAutomaton.java:73) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.computeSuccs(BasicAbstractInterpolantAutomaton.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.internalSuccessors(AbstractInterpolantAutomaton.java:233) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.internalSuccessors(AbstractInterpolantAutomaton.java:1) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.TotalizeNwa.internalSuccessors(TotalizeNwa.java:246) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.internalSuccessors(ProductNwa.java:218) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.internalSuccessors(ProductNwa.java:202) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.internalSuccessors(ProductNwa.java:202) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.internalSuccessors(ProductNwa.java:218) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.internalSuccessors(ProductNwa.java:202) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.LoopLockstepOrder$WrapperAutomaton.internalSuccessors(LoopLockstepOrder.java:196) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.LoopLockstepOrder$WrapperAutomaton.internalSuccessors(LoopLockstepOrder.java:1) at de.uni_freiburg.informatik.ultimate.automata.partialorder.MinimalSleepSetReduction.internalSuccessors(MinimalSleepSetReduction.java:169) at de.uni_freiburg.informatik.ultimate.automata.nestedword.INwaOutgoingLetterAndTransitionProvider.lambda$0(INwaOutgoingLetterAndTransitionProvider.java:123) at de.uni_freiburg.informatik.ultimate.util.datastructures.relation.NestedIterator.nextLetter(NestedIterator.java:69) at de.uni_freiburg.informatik.ultimate.util.datastructures.relation.NestedIterator.(NestedIterator.java:62) at de.uni_freiburg.informatik.ultimate.util.datastructures.relation.NestedIteratorNoopConstruction.(NestedIteratorNoopConstruction.java:48) at de.uni_freiburg.informatik.ultimate.automata.nestedword.INwaOutgoingLetterAndTransitionProvider.lambda$1(INwaOutgoingLetterAndTransitionProvider.java:124) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.ConditionalCommutativityCheckerVisitor.discoverState(ConditionalCommutativityCheckerVisitor.java:173) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.ConditionalCommutativityCheckerVisitor.discoverState(ConditionalCommutativityCheckerVisitor.java:1) at de.uni_freiburg.informatik.ultimate.automata.partialorder.visitors.DeadEndOptimizingSearchVisitor.discoverState(DeadEndOptimizingSearchVisitor.java:73) at de.uni_freiburg.informatik.ultimate.automata.partialorder.DepthFirstTraversal.visitState(DepthFirstTraversal.java:222) at de.uni_freiburg.informatik.ultimate.automata.partialorder.DepthFirstTraversal.traverse(DepthFirstTraversal.java:165) at de.uni_freiburg.informatik.ultimate.automata.partialorder.DepthFirstTraversal.(DepthFirstTraversal.java:98) at de.uni_freiburg.informatik.ultimate.automata.partialorder.DepthFirstTraversal.traverse(DepthFirstTraversal.java:122) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.PartialOrderReductionFacade.apply(PartialOrderReductionFacade.java:329) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.concurrency.PartialOrderCegarLoop.isAbstractionEmpty(PartialOrderCegarLoop.java:362) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:466) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:366) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:415) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:302) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:225) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-04-05 13:44:25,209 INFO L158 Benchmark]: Toolchain (without parser) took 24736.37ms. Allocated memory was 179.3MB in the beginning and 747.6MB in the end (delta: 568.3MB). Free memory was 100.8MB in the beginning and 396.9MB in the end (delta: -296.1MB). Peak memory consumption was 451.5MB. Max. memory is 8.0GB. [2024-04-05 13:44:25,209 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 179.3MB. Free memory was 117.9MB in the beginning and 117.7MB in the end (delta: 171.4kB). There was no memory consumed. Max. memory is 8.0GB. [2024-04-05 13:44:25,210 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3265.45ms. Allocated memory was 179.3MB in the beginning and 393.2MB in the end (delta: 213.9MB). Free memory was 100.6MB in the beginning and 300.2MB in the end (delta: -199.6MB). Peak memory consumption was 88.7MB. Max. memory is 8.0GB. [2024-04-05 13:44:25,211 INFO L158 Benchmark]: Boogie Procedure Inliner took 165.66ms. Allocated memory is still 393.2MB. Free memory was 299.7MB in the beginning and 290.8MB in the end (delta: 8.9MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2024-04-05 13:44:25,211 INFO L158 Benchmark]: Boogie Preprocessor took 75.94ms. Allocated memory is still 393.2MB. Free memory was 290.8MB in the beginning and 286.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2024-04-05 13:44:25,211 INFO L158 Benchmark]: RCFGBuilder took 751.69ms. Allocated memory is still 393.2MB. Free memory was 286.6MB in the beginning and 244.6MB in the end (delta: 42.0MB). Peak memory consumption was 41.9MB. Max. memory is 8.0GB. [2024-04-05 13:44:25,211 INFO L158 Benchmark]: TraceAbstraction took 20472.80ms. Allocated memory was 393.2MB in the beginning and 747.6MB in the end (delta: 354.4MB). Free memory was 243.6MB in the beginning and 396.9MB in the end (delta: -153.3MB). Peak memory consumption was 378.9MB. Max. memory is 8.0GB. [2024-04-05 13:44:25,214 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 179.3MB. Free memory was 117.9MB in the beginning and 117.7MB in the end (delta: 171.4kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 3265.45ms. Allocated memory was 179.3MB in the beginning and 393.2MB in the end (delta: 213.9MB). Free memory was 100.6MB in the beginning and 300.2MB in the end (delta: -199.6MB). Peak memory consumption was 88.7MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 165.66ms. Allocated memory is still 393.2MB. Free memory was 299.7MB in the beginning and 290.8MB in the end (delta: 8.9MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * Boogie Preprocessor took 75.94ms. Allocated memory is still 393.2MB. Free memory was 290.8MB in the beginning and 286.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * RCFGBuilder took 751.69ms. Allocated memory is still 393.2MB. Free memory was 286.6MB in the beginning and 244.6MB in the end (delta: 42.0MB). Peak memory consumption was 41.9MB. Max. memory is 8.0GB. * TraceAbstraction took 20472.80ms. Allocated memory was 393.2MB in the beginning and 747.6MB in the end (delta: 354.4MB). Free memory was 243.6MB in the beginning and 396.9MB in the end (delta: -153.3MB). Peak memory consumption was 378.9MB. 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: - ExceptionOrErrorResult: IllegalStateException: ManagedScript already locked by de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker@1a3eb5a5 de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: IllegalStateException: ManagedScript already locked by de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker@1a3eb5a5: de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.lock(ManagedScript.java:82) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-04-05 13:44:25,269 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 [2024-04-05 13:44:25,456 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...