/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 2 -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_nvram_llseek_read_nvram.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.conditional-comm-17da818-m [2024-05-06 05:57:01,913 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-05-06 05:57:01,946 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2024-05-06 05:57:01,949 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-05-06 05:57:01,950 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-05-06 05:57:01,988 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-05-06 05:57:01,989 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-05-06 05:57:01,989 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-05-06 05:57:01,990 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-05-06 05:57:01,990 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-05-06 05:57:01,990 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-05-06 05:57:01,990 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-05-06 05:57:01,991 INFO L153 SettingsManager]: * Use SBE=true [2024-05-06 05:57:01,991 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-05-06 05:57:01,991 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-05-06 05:57:01,991 INFO L153 SettingsManager]: * sizeof long=4 [2024-05-06 05:57:01,992 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-05-06 05:57:01,992 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-05-06 05:57:01,992 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-05-06 05:57:01,992 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-05-06 05:57:01,993 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-05-06 05:57:01,999 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-05-06 05:57:01,999 INFO L153 SettingsManager]: * sizeof long double=12 [2024-05-06 05:57:01,999 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-05-06 05:57:01,999 INFO L153 SettingsManager]: * Use constant arrays=true [2024-05-06 05:57:02,000 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-05-06 05:57:02,000 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-05-06 05:57:02,000 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-05-06 05:57:02,000 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-05-06 05:57:02,001 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-06 05:57:02,001 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-05-06 05:57:02,001 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-05-06 05:57:02,001 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-05-06 05:57:02,002 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-05-06 05:57:02,002 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2024-05-06 05:57:02,002 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-05-06 05:57:02,002 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-05-06 05:57:02,002 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-05-06 05:57:02,002 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-05-06 05:57:02,003 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> DFS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> DEFAULT Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: use limited checks (recommended for DFS) -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Limit for limited checks -> 2 [2024-05-06 05:57:02,212 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-05-06 05:57:02,238 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-05-06 05:57:02,240 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-05-06 05:57:02,242 INFO L270 PluginConnector]: Initializing CDTParser... [2024-05-06 05:57:02,242 INFO L274 PluginConnector]: CDTParser initialized [2024-05-06 05:57:02,243 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_nvram_llseek_read_nvram.i [2024-05-06 05:57:03,325 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-05-06 05:57:03,730 INFO L384 CDTParser]: Found 1 translation units. [2024-05-06 05:57:03,730 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_nvram_llseek_read_nvram.i [2024-05-06 05:57:03,763 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/215bb09f6/d13a06736b424796a04e77bf80dc4155/FLAG722fb95f7 [2024-05-06 05:57:03,777 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/215bb09f6/d13a06736b424796a04e77bf80dc4155 [2024-05-06 05:57:03,779 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-05-06 05:57:03,781 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-05-06 05:57:03,782 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-05-06 05:57:03,782 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-05-06 05:57:03,786 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-05-06 05:57:03,786 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.05 05:57:03" (1/1) ... [2024-05-06 05:57:03,787 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2dc8ef91 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 05:57:03, skipping insertion in model container [2024-05-06 05:57:03,787 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.05 05:57:03" (1/1) ... [2024-05-06 05:57:03,938 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-05-06 05:57:04,202 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_nvram_llseek_read_nvram.i[5469,5482] [2024-05-06 05:57:06,766 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-06 05:57:06,780 INFO L202 MainTranslator]: Completed pre-run [2024-05-06 05:57:06,791 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_nvram_llseek_read_nvram.i[5469,5482] [2024-05-06 05:57:06,854 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] [2024-05-06 05:57:06,855 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] [2024-05-06 05:57:06,855 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] [2024-05-06 05:57:06,856 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] [2024-05-06 05:57:06,938 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile("ud2"); [5814] [2024-05-06 05:57:06,973 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-06 05:57:07,442 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2024-05-06 05:57:07,443 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2024-05-06 05:57:07,443 WARN L675 CHandler]: The function __xchg_wrong_size is called, but not defined or handled by StandardFunctionHandler. [2024-05-06 05:57:07,443 WARN L675 CHandler]: The function release is called, but not defined or handled by StandardFunctionHandler. [2024-05-06 05:57:07,443 WARN L675 CHandler]: The function ____ilog2_NaN is called, but not defined or handled by StandardFunctionHandler. [2024-05-06 05:57:07,443 WARN L675 CHandler]: The function _whoop_init is called, but not defined or handled by StandardFunctionHandler. [2024-05-06 05:57:07,450 INFO L206 MainTranslator]: Completed translation [2024-05-06 05:57:07,451 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 05:57:07 WrapperNode [2024-05-06 05:57:07,452 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-05-06 05:57:07,453 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-05-06 05:57:07,453 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-05-06 05:57:07,453 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-05-06 05:57:07,460 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 05:57:07" (1/1) ... [2024-05-06 05:57:07,574 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 05:57:07" (1/1) ... [2024-05-06 05:57:07,644 INFO L138 Inliner]: procedures = 1353, calls = 1450, calls flagged for inlining = 347, calls inlined = 15, statements flattened = 323 [2024-05-06 05:57:07,644 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-05-06 05:57:07,645 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-05-06 05:57:07,645 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-05-06 05:57:07,645 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-05-06 05:57:07,657 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 05:57:07" (1/1) ... [2024-05-06 05:57:07,658 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 05:57:07" (1/1) ... [2024-05-06 05:57:07,662 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 05:57:07" (1/1) ... [2024-05-06 05:57:07,662 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 05:57:07" (1/1) ... [2024-05-06 05:57:07,672 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 05:57:07" (1/1) ... [2024-05-06 05:57:07,675 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 05:57:07" (1/1) ... [2024-05-06 05:57:07,678 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 05:57:07" (1/1) ... [2024-05-06 05:57:07,680 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 05:57:07" (1/1) ... [2024-05-06 05:57:07,688 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-05-06 05:57:07,688 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-05-06 05:57:07,689 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-05-06 05:57:07,689 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-05-06 05:57:07,689 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 05:57:07" (1/1) ... [2024-05-06 05:57:07,716 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-06 05:57:07,726 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-06 05:57:07,739 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) [2024-05-06 05:57:07,760 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 [2024-05-06 05:57:07,796 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-05-06 05:57:07,797 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-05-06 05:57:07,797 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-05-06 05:57:07,797 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-05-06 05:57:07,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-05-06 05:57:07,797 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2024-05-06 05:57:07,797 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-05-06 05:57:07,797 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-05-06 05:57:07,797 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_read_nvram [2024-05-06 05:57:07,797 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_read_nvram [2024-05-06 05:57:07,797 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-05-06 05:57:07,797 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-05-06 05:57:07,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-05-06 05:57:07,798 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_nvram_llseek [2024-05-06 05:57:07,798 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_nvram_llseek [2024-05-06 05:57:07,800 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-05-06 05:57:08,182 INFO L241 CfgBuilder]: Building ICFG [2024-05-06 05:57:08,184 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-05-06 05:57:08,536 INFO L282 CfgBuilder]: Performing block encoding [2024-05-06 05:57:08,555 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-05-06 05:57:08,556 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2024-05-06 05:57:08,557 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.05 05:57:08 BoogieIcfgContainer [2024-05-06 05:57:08,557 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-05-06 05:57:08,561 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-05-06 05:57:08,562 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-05-06 05:57:08,564 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-05-06 05:57:08,564 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.05 05:57:03" (1/3) ... [2024-05-06 05:57:08,565 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@730b35cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.05 05:57:08, skipping insertion in model container [2024-05-06 05:57:08,565 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 05:57:07" (2/3) ... [2024-05-06 05:57:08,565 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@730b35cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.05 05:57:08, skipping insertion in model container [2024-05-06 05:57:08,565 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.05 05:57:08" (3/3) ... [2024-05-06 05:57:08,566 INFO L112 eAbstractionObserver]: Analyzing ICFG char_generic_nvram_nvram_llseek_read_nvram.i [2024-05-06 05:57:08,572 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-05-06 05:57:08,579 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-05-06 05:57:08,583 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-05-06 05:57:08,583 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-05-06 05:57:08,652 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-05-06 05:57:08,685 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-06 05:57:08,685 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-05-06 05:57:08,685 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-06 05:57:08,700 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) [2024-05-06 05:57:08,701 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 [2024-05-06 05:57:08,727 INFO L188 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-05-06 05:57:08,773 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-06 05:57:08,775 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-05-06 05:57:08,780 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;@274b3128, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=DFS, mConComCheckerCriterion=DEFAULT, mConComCheckerLimitedChecksCriterion=true, mConComCheckerCriterionLimit=2, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123, mConComCheckerConditionCriterion=false [2024-05-06 05:57:08,780 INFO L358 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2024-05-06 05:57:08,845 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting whoop_wrapper_nvram_llseekErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-05-06 05:57:08,847 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-06 05:57:08,847 INFO L85 PathProgramCache]: Analyzing trace with hash -1760256714, now seen corresponding path program 1 times [2024-05-06 05:57:08,854 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-06 05:57:08,854 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [543463831] [2024-05-06 05:57:08,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 05:57:08,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 05:57:09,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 05:57:09,195 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-06 05:57:09,195 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-06 05:57:09,195 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [543463831] [2024-05-06 05:57:09,196 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [543463831] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-06 05:57:09,196 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-06 05:57:09,196 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-05-06 05:57:09,197 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1401309789] [2024-05-06 05:57:09,197 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-06 05:57:09,202 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-05-06 05:57:09,202 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-06 05:57:09,218 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-05-06 05:57:09,219 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-05-06 05:57:09,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 05:57:09,220 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-06 05:57:09,222 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 119.5) internal successors, (239), 2 states have internal predecessors, (239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-06 05:57:09,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 05:57:09,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 05:57:09,258 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-05-06 05:57:09,258 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting whoop_wrapper_nvram_llseekErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-05-06 05:57:09,258 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-06 05:57:09,258 INFO L85 PathProgramCache]: Analyzing trace with hash 1631289018, now seen corresponding path program 1 times [2024-05-06 05:57:09,258 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-06 05:57:09,259 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [188383550] [2024-05-06 05:57:09,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 05:57:09,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 05:57:09,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 05:57:09,945 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-06 05:57:09,946 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-06 05:57:09,946 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [188383550] [2024-05-06 05:57:09,946 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [188383550] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-06 05:57:09,946 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-06 05:57:09,946 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-05-06 05:57:09,946 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1493348569] [2024-05-06 05:57:09,947 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-06 05:57:09,950 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-05-06 05:57:09,950 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-06 05:57:09,951 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-05-06 05:57:09,951 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-05-06 05:57:09,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 05:57:09,952 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-06 05:57:09,953 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 39.666666666666664) internal successors, (238), 6 states have internal predecessors, (238), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-06 05:57:09,953 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 05:57:09,953 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 05:57:10,218 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 23 [2024-05-06 05:57:12,275 INFO L85 PathProgramCache]: Analyzing trace with hash 818410246, now seen corresponding path program 1 times [2024-05-06 05:57:12,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 05:57:12,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 05:57:12,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 05:57:12,700 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-06 05:57:12,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 05:57:12,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 05:57:12,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 05:57:13,032 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-06 05:57:13,033 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-05-06 05:57:13,034 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-05-06 05:57:13,246 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 23 treesize of output 19 [2024-05-06 05:57:13,360 INFO L85 PathProgramCache]: Analyzing trace with hash -1269103245, now seen corresponding path program 1 times [2024-05-06 05:57:13,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 05:57:13,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 05:57:13,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 05:57:13,513 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-06 05:57:13,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 05:57:13,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 05:57:13,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 05:57:13,657 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-06 05:57:13,657 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-05-06 05:57:13,658 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2024-05-06 05:57:13,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 05:57:13,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-06 05:57:13,983 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,SelfDestructingSolverStorable3,SelfDestructingSolverStorable2,SelfDestructingSolverStorable1,SelfDestructingSolverStorable5 [2024-05-06 05:57:13,984 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-05-06 05:57:13,984 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-06 05:57:13,984 INFO L85 PathProgramCache]: Analyzing trace with hash -444262046, now seen corresponding path program 1 times [2024-05-06 05:57:13,984 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-06 05:57:13,984 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2951622] [2024-05-06 05:57:13,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 05:57:13,985 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 05:57:14,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 05:57:14,289 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-06 05:57:14,290 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-06 05:57:14,290 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2951622] [2024-05-06 05:57:14,290 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2951622] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-06 05:57:14,290 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-06 05:57:14,290 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-05-06 05:57:14,290 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [70468017] [2024-05-06 05:57:14,290 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-06 05:57:14,291 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-05-06 05:57:14,291 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-06 05:57:14,291 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-05-06 05:57:14,292 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-05-06 05:57:14,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 05:57:14,292 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-06 05:57:14,292 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 41.5) internal successors, (249), 6 states have internal predecessors, (249), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-06 05:57:14,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 05:57:14,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-06 05:57:14,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 05:57:14,684 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 33 treesize of output 25 [2024-05-06 05:57:14,900 INFO L85 PathProgramCache]: Analyzing trace with hash 2125726019, now seen corresponding path program 1 times [2024-05-06 05:57:14,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 05:57:14,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 05:57:14,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 05:57:15,187 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-06 05:57:15,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 05:57:15,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 05:57:15,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 05:57:15,425 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-06 05:57:15,426 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-05-06 05:57:15,426 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=258, Unknown=0, NotChecked=0, Total=306 [2024-05-06 05:57:16,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 05:57:16,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-05-06 05:57:16,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-06 05:57:16,040 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,SelfDestructingSolverStorable7,SelfDestructingSolverStorable6 [2024-05-06 05:57:16,040 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting whoop_wrapper_nvram_llseekErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-05-06 05:57:16,040 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-06 05:57:16,040 INFO L85 PathProgramCache]: Analyzing trace with hash -1492902570, now seen corresponding path program 1 times [2024-05-06 05:57:16,041 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-06 05:57:16,041 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [398929001] [2024-05-06 05:57:16,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 05:57:16,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 05:57:16,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 05:57:16,681 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-06 05:57:16,682 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-06 05:57:16,682 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [398929001] [2024-05-06 05:57:16,682 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [398929001] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-06 05:57:16,682 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-06 05:57:16,682 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-05-06 05:57:16,682 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1777337946] [2024-05-06 05:57:16,682 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-06 05:57:16,696 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-05-06 05:57:16,696 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-06 05:57:16,698 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-05-06 05:57:16,698 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-05-06 05:57:16,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 05:57:16,698 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-06 05:57:16,698 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 34.625) internal successors, (277), 8 states have internal predecessors, (277), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-06 05:57:16,698 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 05:57:16,698 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-05-06 05:57:16,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-06 05:57:16,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 05:57:17,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 05:57:17,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-05-06 05:57:17,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-06 05:57:17,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-05-06 05:57:17,296 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-05-06 05:57:17,296 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting whoop_wrapper_nvram_llseekErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-05-06 05:57:17,297 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-06 05:57:17,297 INFO L85 PathProgramCache]: Analyzing trace with hash 1355694296, now seen corresponding path program 1 times [2024-05-06 05:57:17,297 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-06 05:57:17,300 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [77273222] [2024-05-06 05:57:17,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 05:57:17,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 05:57:17,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 05:57:18,436 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-06 05:57:18,437 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-06 05:57:18,437 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [77273222] [2024-05-06 05:57:18,438 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [77273222] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-06 05:57:18,438 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-06 05:57:18,438 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-05-06 05:57:18,438 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2125820491] [2024-05-06 05:57:18,438 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-06 05:57:18,439 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-05-06 05:57:18,439 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-06 05:57:18,439 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-05-06 05:57:18,439 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2024-05-06 05:57:18,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 05:57:18,440 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-06 05:57:18,440 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 16.066666666666666) internal successors, (241), 15 states have internal predecessors, (241), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-06 05:57:18,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 05:57:18,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-05-06 05:57:18,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-06 05:57:18,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-05-06 05:57:18,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 05:57:25,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 05:57:25,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-05-06 05:57:25,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-06 05:57:25,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-05-06 05:57:25,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-05-06 05:57:25,329 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-05-06 05:57:25,329 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-05-06 05:57:25,330 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-06 05:57:25,330 INFO L85 PathProgramCache]: Analyzing trace with hash 903402983, now seen corresponding path program 1 times [2024-05-06 05:57:25,330 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-06 05:57:25,330 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1490200331] [2024-05-06 05:57:25,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 05:57:25,331 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 05:57:25,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 05:57:26,236 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-06 05:57:26,237 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-06 05:57:26,237 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1490200331] [2024-05-06 05:57:26,237 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1490200331] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-06 05:57:26,237 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-06 05:57:26,237 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-05-06 05:57:26,237 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [362375880] [2024-05-06 05:57:26,237 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-06 05:57:26,238 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-05-06 05:57:26,238 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-06 05:57:26,238 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-05-06 05:57:26,238 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2024-05-06 05:57:26,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 05:57:26,239 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-06 05:57:26,239 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 17.333333333333332) internal successors, (260), 15 states have internal predecessors, (260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-06 05:57:26,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 05:57:26,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-05-06 05:57:26,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-06 05:57:26,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-05-06 05:57:26,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-05-06 05:57:26,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 05:57:29,612 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 25 treesize of output 21 [2024-05-06 05:57:29,794 INFO L85 PathProgramCache]: Analyzing trace with hash -2666515, now seen corresponding path program 1 times [2024-05-06 05:57:29,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 05:57:29,794 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 05:57:29,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 05:57:29,936 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-06 05:57:29,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 05:57:30,231 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 25 treesize of output 21 [2024-05-06 05:57:30,386 INFO L85 PathProgramCache]: Analyzing trace with hash -831370142, now seen corresponding path program 1 times [2024-05-06 05:57:30,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 05:57:30,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 05:57:30,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 05:57:30,470 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-06 05:57:30,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 05:57:33,229 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 1378 treesize of output 1282 [2024-05-06 05:57:33,619 INFO L85 PathProgramCache]: Analyzing trace with hash -1135314762, now seen corresponding path program 1 times [2024-05-06 05:57:33,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 05:57:33,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 05:57:33,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 05:57:33,903 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-06 05:57:33,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 05:57:33,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 05:57:33,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 05:57:34,158 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-06 05:57:34,159 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-05-06 05:57:34,159 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=483, Unknown=0, NotChecked=0, Total=552 [2024-05-06 05:57:34,939 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 692 treesize of output 644 [2024-05-06 05:57:35,241 INFO L85 PathProgramCache]: Analyzing trace with hash -740211340, now seen corresponding path program 1 times [2024-05-06 05:57:35,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 05:57:35,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 05:57:35,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 05:57:35,280 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-06 05:57:35,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 05:57:41,008 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 29 [2024-05-06 05:57:41,574 INFO L85 PathProgramCache]: Analyzing trace with hash -1471714200, now seen corresponding path program 1 times [2024-05-06 05:57:41,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 05:57:41,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 05:57:41,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 05:57:41,660 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-06 05:57:41,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 05:57:41,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 05:57:41,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-05-06 05:57:41,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-05-06 05:57:41,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-05-06 05:57:41,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-05-06 05:57:41,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-05-06 05:57:41,797 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,SelfDestructingSolverStorable12,SelfDestructingSolverStorable13,SelfDestructingSolverStorable14,SelfDestructingSolverStorable15,SelfDestructingSolverStorable16,SelfDestructingSolverStorable17 [2024-05-06 05:57:41,798 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-05-06 05:57:41,798 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-06 05:57:41,798 INFO L85 PathProgramCache]: Analyzing trace with hash 242780570, now seen corresponding path program 2 times [2024-05-06 05:57:41,798 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-06 05:57:41,798 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [775973213] [2024-05-06 05:57:41,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 05:57:41,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 05:57:41,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 05:57:42,489 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-06 05:57:42,489 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-06 05:57:42,489 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [775973213] [2024-05-06 05:57:42,489 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [775973213] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-06 05:57:42,489 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-06 05:57:42,490 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-05-06 05:57:42,490 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [712785780] [2024-05-06 05:57:42,490 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-06 05:57:42,491 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-05-06 05:57:42,491 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-06 05:57:42,492 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-05-06 05:57:42,492 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2024-05-06 05:57:42,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 05:57:42,492 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-06 05:57:42,493 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 20.75) internal successors, (249), 12 states have internal predecessors, (249), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-06 05:57:42,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 05:57:42,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-05-06 05:57:42,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-05-06 05:57:42,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-05-06 05:57:42,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-05-06 05:57:42,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-05-06 05:57:42,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 05:57:48,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 05:57:48,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-05-06 05:57:48,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-05-06 05:57:48,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-05-06 05:57:48,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-05-06 05:57:48,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-05-06 05:57:48,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-05-06 05:57:48,947 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION (5 of 6 remaining) [2024-05-06 05:57:48,948 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 6 remaining) [2024-05-06 05:57:48,948 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 6 remaining) [2024-05-06 05:57:48,964 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_nvram_llseekErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 6 remaining) [2024-05-06 05:57:48,965 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 6 remaining) [2024-05-06 05:57:48,965 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_nvram_llseekErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 6 remaining) [2024-05-06 05:57:48,965 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-05-06 05:57:48,970 INFO L448 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-05-06 05:57:48,973 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-05-06 05:57:48,973 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2024-05-06 05:57:48,977 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.05 05:57:48 BasicIcfg [2024-05-06 05:57:48,977 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-05-06 05:57:48,979 INFO L158 Benchmark]: Toolchain (without parser) took 45196.95ms. Allocated memory was 290.5MB in the beginning and 1.2GB in the end (delta: 871.4MB). Free memory was 206.7MB in the beginning and 944.2MB in the end (delta: -737.6MB). Peak memory consumption was 133.6MB. Max. memory is 8.0GB. [2024-05-06 05:57:48,980 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 168.8MB. Free memory is still 129.0MB. There was no memory consumed. Max. memory is 8.0GB. [2024-05-06 05:57:48,980 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3669.93ms. Allocated memory was 290.5MB in the beginning and 461.4MB in the end (delta: 170.9MB). Free memory was 206.5MB in the beginning and 315.8MB in the end (delta: -109.2MB). Peak memory consumption was 167.2MB. Max. memory is 8.0GB. [2024-05-06 05:57:48,980 INFO L158 Benchmark]: Boogie Procedure Inliner took 191.63ms. Allocated memory is still 461.4MB. Free memory was 315.8MB in the beginning and 306.3MB in the end (delta: 9.4MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2024-05-06 05:57:48,980 INFO L158 Benchmark]: Boogie Preprocessor took 43.05ms. Allocated memory is still 461.4MB. Free memory was 306.3MB in the beginning and 302.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2024-05-06 05:57:48,980 INFO L158 Benchmark]: RCFGBuilder took 870.18ms. Allocated memory is still 461.4MB. Free memory was 302.1MB in the beginning and 259.2MB in the end (delta: 43.0MB). Peak memory consumption was 43.0MB. Max. memory is 8.0GB. [2024-05-06 05:57:48,980 INFO L158 Benchmark]: TraceAbstraction took 40415.89ms. Allocated memory was 461.4MB in the beginning and 1.2GB in the end (delta: 700.4MB). Free memory was 258.1MB in the beginning and 944.2MB in the end (delta: -686.1MB). Peak memory consumption was 12.7MB. Max. memory is 8.0GB. [2024-05-06 05:57:48,981 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 168.8MB. Free memory is still 129.0MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 3669.93ms. Allocated memory was 290.5MB in the beginning and 461.4MB in the end (delta: 170.9MB). Free memory was 206.5MB in the beginning and 315.8MB in the end (delta: -109.2MB). Peak memory consumption was 167.2MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 191.63ms. Allocated memory is still 461.4MB. Free memory was 315.8MB in the beginning and 306.3MB in the end (delta: 9.4MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * Boogie Preprocessor took 43.05ms. Allocated memory is still 461.4MB. Free memory was 306.3MB in the beginning and 302.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * RCFGBuilder took 870.18ms. Allocated memory is still 461.4MB. Free memory was 302.1MB in the beginning and 259.2MB in the end (delta: 43.0MB). Peak memory consumption was 43.0MB. Max. memory is 8.0GB. * TraceAbstraction took 40415.89ms. Allocated memory was 461.4MB in the beginning and 1.2GB in the end (delta: 700.4MB). Free memory was 258.1MB in the beginning and 944.2MB in the end (delta: -686.1MB). Peak memory consumption was 12.7MB. 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: 335385, independent: 329675, independent conditional: 329512, independent unconditional: 163, dependent: 5622, dependent conditional: 5621, dependent unconditional: 1, unknown: 88, unknown conditional: 88, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 330756, independent: 329675, independent conditional: 329512, independent unconditional: 163, dependent: 993, dependent conditional: 992, dependent unconditional: 1, unknown: 88, unknown conditional: 88, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 330756, independent: 329675, independent conditional: 329512, independent unconditional: 163, dependent: 993, dependent conditional: 992, dependent unconditional: 1, unknown: 88, unknown conditional: 88, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 330756, independent: 329675, independent conditional: 329512, independent unconditional: 163, dependent: 993, dependent conditional: 992, dependent unconditional: 1, unknown: 88, unknown conditional: 88, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 337079, independent: 329675, independent conditional: 162769, independent unconditional: 166906, dependent: 6937, dependent conditional: 5668, dependent unconditional: 1269, unknown: 467, unknown conditional: 380, unknown unconditional: 87] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 337079, independent: 329675, independent conditional: 73584, independent unconditional: 256091, dependent: 6937, dependent conditional: 3546, dependent unconditional: 3391, unknown: 467, unknown conditional: 279, unknown unconditional: 188] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 337079, independent: 329675, independent conditional: 73584, independent unconditional: 256091, dependent: 6937, dependent conditional: 3546, dependent unconditional: 3391, unknown: 467, unknown conditional: 279, unknown unconditional: 188] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 10189, independent: 10106, independent conditional: 2185, independent unconditional: 7921, dependent: 70, dependent conditional: 57, dependent unconditional: 13, unknown: 13, unknown conditional: 11, unknown unconditional: 2] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 10189, independent: 10090, independent conditional: 0, independent unconditional: 10090, dependent: 99, dependent conditional: 0, dependent unconditional: 99, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 99, independent: 16, independent conditional: 16, independent unconditional: 0, dependent: 70, dependent conditional: 57, dependent unconditional: 13, unknown: 13, unknown conditional: 11, unknown unconditional: 2] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 99, independent: 16, independent conditional: 16, independent unconditional: 0, dependent: 70, dependent conditional: 57, dependent unconditional: 13, unknown: 13, unknown conditional: 11, unknown unconditional: 2] , SemanticIndependenceRelation.Query Time [ms]: [ total: 14600, independent: 239, independent conditional: 239, independent unconditional: 0, dependent: 322, dependent conditional: 278, dependent unconditional: 43, unknown: 14040, unknown conditional: 11888, unknown unconditional: 2152] , Protected Queries: 0 ], Cache Queries: [ total: 337079, independent: 319569, independent conditional: 71399, independent unconditional: 248170, dependent: 6867, dependent conditional: 3489, dependent unconditional: 3378, unknown: 10643, unknown conditional: 2521, unknown unconditional: 8122] , Statistics on independence cache: Total cache size (in pairs): 10176, Positive cache size: 10106, Positive conditional cache size: 2185, Positive unconditional cache size: 7921, Negative cache size: 70, Negative conditional cache size: 57, Negative unconditional cache size: 13, Unknown cache size: 13, Unknown conditional cache size: 11, Unknown unconditional cache size: 2, Eliminated conditions: 91408, Maximal queried relation: 9, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 337079, independent: 329675, independent conditional: 162769, independent unconditional: 166906, dependent: 6937, dependent conditional: 5668, dependent unconditional: 1269, unknown: 467, unknown conditional: 380, unknown unconditional: 87] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 337079, independent: 329675, independent conditional: 73584, independent unconditional: 256091, dependent: 6937, dependent conditional: 3546, dependent unconditional: 3391, unknown: 467, unknown conditional: 279, unknown unconditional: 188] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 337079, independent: 329675, independent conditional: 73584, independent unconditional: 256091, dependent: 6937, dependent conditional: 3546, dependent unconditional: 3391, unknown: 467, unknown conditional: 279, unknown unconditional: 188] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 10189, independent: 10106, independent conditional: 2185, independent unconditional: 7921, dependent: 70, dependent conditional: 57, dependent unconditional: 13, unknown: 13, unknown conditional: 11, unknown unconditional: 2] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 10189, independent: 10090, independent conditional: 0, independent unconditional: 10090, dependent: 99, dependent conditional: 0, dependent unconditional: 99, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 99, independent: 16, independent conditional: 16, independent unconditional: 0, dependent: 70, dependent conditional: 57, dependent unconditional: 13, unknown: 13, unknown conditional: 11, unknown unconditional: 2] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 99, independent: 16, independent conditional: 16, independent unconditional: 0, dependent: 70, dependent conditional: 57, dependent unconditional: 13, unknown: 13, unknown conditional: 11, unknown unconditional: 2] , SemanticIndependenceRelation.Query Time [ms]: [ total: 14600, independent: 239, independent conditional: 239, independent unconditional: 0, dependent: 322, dependent conditional: 278, dependent unconditional: 43, unknown: 14040, unknown conditional: 11888, unknown unconditional: 2152] , Protected Queries: 0 ], Cache Queries: [ total: 337079, independent: 319569, independent conditional: 71399, independent unconditional: 248170, dependent: 6867, dependent conditional: 3489, dependent unconditional: 3378, unknown: 10643, unknown conditional: 2521, unknown unconditional: 8122] , Statistics on independence cache: Total cache size (in pairs): 10176, Positive cache size: 10106, Positive conditional cache size: 2185, Positive unconditional cache size: 7921, Negative cache size: 70, Negative conditional cache size: 57, Negative unconditional cache size: 13, Unknown cache size: 13, Unknown conditional cache size: 11, Unknown unconditional cache size: 2, Eliminated conditions: 91408 ], Independence queries for same thread: 4629 - PositiveResult [Line: 174]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 174]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 506 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 40.3s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 2, EmptinessCheckTime: 35.4s, 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: 101, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 4.0s InterpolantComputationTime, 1753 NumberOfCodeBlocks, 1753 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 1746 ConstructedInterpolants, 0 QuantifiedInterpolants, 5571 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 1/1 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: 15.3s, ConditionalCommutativityIAIntegrations: 0, ConditionalCommutativityDFSRestarts: 4, ConditionalCommutativityConditionCalculations: 27, ConditionalCommutativityTraceChecks: 8, ConditionalCommutativityImperfectProofs: 0 - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-05-06 05:57:49,035 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2024-05-06 05:57:49,199 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...