/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 SLEEP_SET --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 [2024-04-06 04:23:33,642 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-04-06 04:23:33,726 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2024-04-06 04:23:33,731 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-04-06 04:23:33,732 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-04-06 04:23:33,759 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-04-06 04:23:33,759 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-04-06 04:23:33,760 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-04-06 04:23:33,761 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-04-06 04:23:33,765 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-04-06 04:23:33,765 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-04-06 04:23:33,765 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-04-06 04:23:33,766 INFO L153 SettingsManager]: * Use SBE=true [2024-04-06 04:23:33,767 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-04-06 04:23:33,767 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-04-06 04:23:33,767 INFO L153 SettingsManager]: * sizeof long=4 [2024-04-06 04:23:33,768 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-04-06 04:23:33,768 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-04-06 04:23:33,768 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-04-06 04:23:33,768 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-04-06 04:23:33,768 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-04-06 04:23:33,770 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-04-06 04:23:33,770 INFO L153 SettingsManager]: * sizeof long double=12 [2024-04-06 04:23:33,770 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-04-06 04:23:33,770 INFO L153 SettingsManager]: * Use constant arrays=true [2024-04-06 04:23:33,771 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-04-06 04:23:33,771 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-04-06 04:23:33,771 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-04-06 04:23:33,771 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-04-06 04:23:33,772 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-04-06 04:23:33,773 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-04-06 04:23:33,773 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-04-06 04:23:33,773 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-04-06 04:23:33,773 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-04-06 04:23:33,774 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2024-04-06 04:23:33,774 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-04-06 04:23:33,774 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-04-06 04:23:33,774 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-04-06 04:23:33,774 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-04-06 04:23:33,774 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> DFS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> SLEEP_SET Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: use limited checks (recommended for DFS) -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Limit for limited checks -> 10 [2024-04-06 04:23:34,037 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-04-06 04:23:34,065 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-04-06 04:23:34,067 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-04-06 04:23:34,069 INFO L270 PluginConnector]: Initializing CDTParser... [2024-04-06 04:23:34,069 INFO L274 PluginConnector]: CDTParser initialized [2024-04-06 04:23:34,070 INFO L431 ainManager$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 [2024-04-06 04:23:35,314 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-04-06 04:23:35,847 INFO L384 CDTParser]: Found 1 translation units. [2024-04-06 04:23:35,847 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_nvram_llseek_read_nvram.i [2024-04-06 04:23:35,897 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/2f04c1661/e8bddcfbccdf49c2bcc11700f7f19665/FLAG36df14b65 [2024-04-06 04:23:35,918 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/2f04c1661/e8bddcfbccdf49c2bcc11700f7f19665 [2024-04-06 04:23:35,922 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-04-06 04:23:35,923 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-04-06 04:23:35,927 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-04-06 04:23:35,927 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-04-06 04:23:35,932 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-04-06 04:23:35,932 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.04 04:23:35" (1/1) ... [2024-04-06 04:23:35,933 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1481980e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 04:23:35, skipping insertion in model container [2024-04-06 04:23:35,934 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.04 04:23:35" (1/1) ... [2024-04-06 04:23:36,068 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-04-06 04:23:36,464 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] [2024-04-06 04:23:39,571 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-04-06 04:23:39,590 INFO L202 MainTranslator]: Completed pre-run [2024-04-06 04:23:39,612 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] [2024-04-06 04:23:39,699 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] [2024-04-06 04:23:39,701 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] [2024-04-06 04:23:39,701 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] [2024-04-06 04:23:39,701 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] [2024-04-06 04:23:39,821 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile("ud2"); [5814] [2024-04-06 04:23:39,865 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-04-06 04:23:40,527 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2024-04-06 04:23:40,527 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2024-04-06 04:23:40,527 WARN L675 CHandler]: The function __xchg_wrong_size is called, but not defined or handled by StandardFunctionHandler. [2024-04-06 04:23:40,528 WARN L675 CHandler]: The function release is called, but not defined or handled by StandardFunctionHandler. [2024-04-06 04:23:40,528 WARN L675 CHandler]: The function ____ilog2_NaN is called, but not defined or handled by StandardFunctionHandler. [2024-04-06 04:23:40,528 WARN L675 CHandler]: The function _whoop_init is called, but not defined or handled by StandardFunctionHandler. [2024-04-06 04:23:40,535 INFO L206 MainTranslator]: Completed translation [2024-04-06 04:23:40,535 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 04:23:40 WrapperNode [2024-04-06 04:23:40,536 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-04-06 04:23:40,536 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-04-06 04:23:40,537 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-04-06 04:23:40,537 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-04-06 04:23:40,543 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 04:23:40" (1/1) ... [2024-04-06 04:23:40,667 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 04:23:40" (1/1) ... [2024-04-06 04:23:40,753 INFO L138 Inliner]: procedures = 1353, calls = 1450, calls flagged for inlining = 347, calls inlined = 15, statements flattened = 323 [2024-04-06 04:23:40,754 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-04-06 04:23:40,754 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-04-06 04:23:40,754 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-04-06 04:23:40,754 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-04-06 04:23:40,765 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 04:23:40" (1/1) ... [2024-04-06 04:23:40,765 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 04:23:40" (1/1) ... [2024-04-06 04:23:40,773 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 04:23:40" (1/1) ... [2024-04-06 04:23:40,774 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 04:23:40" (1/1) ... [2024-04-06 04:23:40,805 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 04:23:40" (1/1) ... [2024-04-06 04:23:40,808 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 04:23:40" (1/1) ... [2024-04-06 04:23:40,813 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 04:23:40" (1/1) ... [2024-04-06 04:23:40,816 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 04:23:40" (1/1) ... [2024-04-06 04:23:40,838 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-04-06 04:23:40,839 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-04-06 04:23:40,839 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-04-06 04:23:40,839 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-04-06 04:23:40,840 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 04:23:40" (1/1) ... [2024-04-06 04:23:40,851 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-04-06 04:23:40,863 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 04:23:40,880 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) [2024-04-06 04:23:40,902 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 [2024-04-06 04:23:40,948 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-04-06 04:23:40,949 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-04-06 04:23:40,949 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-04-06 04:23:40,949 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-04-06 04:23:40,949 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-04-06 04:23:40,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2024-04-06 04:23:40,949 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-04-06 04:23:40,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-04-06 04:23:40,949 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_read_nvram [2024-04-06 04:23:40,949 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_read_nvram [2024-04-06 04:23:40,950 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-04-06 04:23:40,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-04-06 04:23:40,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-04-06 04:23:40,950 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_nvram_llseek [2024-04-06 04:23:40,950 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_nvram_llseek [2024-04-06 04:23:40,952 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-04-06 04:23:41,366 INFO L241 CfgBuilder]: Building ICFG [2024-04-06 04:23:41,369 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-04-06 04:23:41,779 INFO L282 CfgBuilder]: Performing block encoding [2024-04-06 04:23:41,793 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-04-06 04:23:41,793 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2024-04-06 04:23:41,794 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.04 04:23:41 BoogieIcfgContainer [2024-04-06 04:23:41,795 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-04-06 04:23:41,797 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-04-06 04:23:41,797 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-04-06 04:23:41,800 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-04-06 04:23:41,801 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.04 04:23:35" (1/3) ... [2024-04-06 04:23:41,801 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55c53c5e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.04 04:23:41, skipping insertion in model container [2024-04-06 04:23:41,801 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 04:23:40" (2/3) ... [2024-04-06 04:23:41,801 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55c53c5e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.04 04:23:41, skipping insertion in model container [2024-04-06 04:23:41,802 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.04 04:23:41" (3/3) ... [2024-04-06 04:23:41,803 INFO L112 eAbstractionObserver]: Analyzing ICFG char_generic_nvram_nvram_llseek_read_nvram.i [2024-04-06 04:23:41,811 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-04-06 04:23:41,819 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-04-06 04:23:41,820 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-04-06 04:23:41,820 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-04-06 04:23:41,917 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-04-06 04:23:41,969 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-04-06 04:23:41,969 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-04-06 04:23:41,970 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 04:23:41,971 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) [2024-04-06 04:23:41,975 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 [2024-04-06 04:23:42,005 INFO L184 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-04-06 04:23:42,029 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 04:23:42,030 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-04-06 04:23:42,048 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;@6923ace8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=DFS, mConComCheckerCriterion=SLEEP_SET, mConComCheckerLimitedChecksCriterion=true, mConComCheckerCriterionLimit=10, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123 [2024-04-06 04:23:42,048 INFO L358 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2024-04-06 04:23:42,182 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)] === [2024-04-06 04:23:42,184 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 04:23:42,185 INFO L85 PathProgramCache]: Analyzing trace with hash -1760256714, now seen corresponding path program 1 times [2024-04-06 04:23:42,198 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 04:23:42,198 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2011960220] [2024-04-06 04:23:42,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 04:23:42,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 04:23:42,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 04:23:42,671 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 04:23:42,672 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 04:23:42,672 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2011960220] [2024-04-06 04:23:42,673 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2011960220] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-06 04:23:42,673 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-06 04:23:42,673 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-04-06 04:23:42,674 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1855584859] [2024-04-06 04:23:42,675 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-06 04:23:42,681 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-04-06 04:23:42,681 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 04:23:42,707 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-04-06 04:23:42,708 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-04-06 04:23:42,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 04:23:42,711 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 04:23:42,712 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) [2024-04-06 04:23:42,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 04:23:42,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 04:23:42,770 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-04-06 04:23:42,771 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)] === [2024-04-06 04:23:42,771 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 04:23:42,771 INFO L85 PathProgramCache]: Analyzing trace with hash 1631289018, now seen corresponding path program 1 times [2024-04-06 04:23:42,772 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 04:23:42,772 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1240646263] [2024-04-06 04:23:42,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 04:23:42,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 04:23:42,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 04:23:43,684 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 04:23:43,684 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 04:23:43,685 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1240646263] [2024-04-06 04:23:43,685 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1240646263] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-06 04:23:43,685 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-06 04:23:43,685 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-04-06 04:23:43,685 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1353486568] [2024-04-06 04:23:43,685 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-06 04:23:43,687 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-04-06 04:23:43,687 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 04:23:43,688 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-04-06 04:23:43,689 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-04-06 04:23:43,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 04:23:43,690 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 04:23:43,690 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) [2024-04-06 04:23:43,690 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 04:23:43,690 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 04:23:44,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 04:23:44,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-06 04:23:44,162 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-04-06 04:23:44,162 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)] === [2024-04-06 04:23:44,163 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 04:23:44,163 INFO L85 PathProgramCache]: Analyzing trace with hash -444262046, now seen corresponding path program 1 times [2024-04-06 04:23:44,163 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 04:23:44,164 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1822719974] [2024-04-06 04:23:44,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 04:23:44,164 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 04:23:44,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 04:23:44,673 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 04:23:44,674 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 04:23:44,674 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1822719974] [2024-04-06 04:23:44,674 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1822719974] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-06 04:23:44,674 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-06 04:23:44,674 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-04-06 04:23:44,675 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [120052377] [2024-04-06 04:23:44,675 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-06 04:23:44,676 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-04-06 04:23:44,676 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 04:23:44,678 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-04-06 04:23:44,682 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-04-06 04:23:44,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 04:23:44,682 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 04:23:44,683 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) [2024-04-06 04:23:44,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 04:23:44,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-06 04:23:44,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 04:23:45,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 04:23:45,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-06 04:23:45,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-06 04:23:45,189 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-04-06 04:23:45,189 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)] === [2024-04-06 04:23:45,191 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 04:23:45,191 INFO L85 PathProgramCache]: Analyzing trace with hash -1492902570, now seen corresponding path program 1 times [2024-04-06 04:23:45,192 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 04:23:45,192 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [557479760] [2024-04-06 04:23:45,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 04:23:45,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 04:23:45,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 04:23:45,972 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 04:23:45,972 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 04:23:45,973 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [557479760] [2024-04-06 04:23:45,973 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [557479760] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-06 04:23:45,973 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-06 04:23:45,973 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-04-06 04:23:45,973 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [315666989] [2024-04-06 04:23:45,974 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-06 04:23:45,974 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-04-06 04:23:45,974 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 04:23:45,975 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-04-06 04:23:45,975 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-04-06 04:23:45,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 04:23:45,976 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 04:23:45,976 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) [2024-04-06 04:23:45,976 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 04:23:45,976 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-06 04:23:45,976 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-06 04:23:45,976 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 04:23:46,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 04:23:46,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-06 04:23:46,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-06 04:23:46,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-04-06 04:23:46,493 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-04-06 04:23:46,493 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)] === [2024-04-06 04:23:46,493 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 04:23:46,493 INFO L85 PathProgramCache]: Analyzing trace with hash 1355694296, now seen corresponding path program 1 times [2024-04-06 04:23:46,494 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 04:23:46,494 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [799646338] [2024-04-06 04:23:46,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 04:23:46,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 04:23:46,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 04:23:47,755 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 04:23:47,756 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 04:23:47,756 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [799646338] [2024-04-06 04:23:47,756 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [799646338] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-06 04:23:47,756 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-06 04:23:47,756 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-04-06 04:23:47,756 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1595680644] [2024-04-06 04:23:47,756 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-06 04:23:47,757 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-04-06 04:23:47,757 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 04:23:47,758 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-04-06 04:23:47,758 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2024-04-06 04:23:47,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 04:23:47,758 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 04:23:47,758 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) [2024-04-06 04:23:47,759 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 04:23:47,759 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-06 04:23:47,759 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-06 04:23:47,759 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-04-06 04:23:47,759 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 04:23:50,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 04:23:50,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-06 04:23:50,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-06 04:23:50,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-04-06 04:23:50,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-04-06 04:23:50,808 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-04-06 04:23:50,808 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)] === [2024-04-06 04:23:50,808 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 04:23:50,808 INFO L85 PathProgramCache]: Analyzing trace with hash 903402983, now seen corresponding path program 1 times [2024-04-06 04:23:50,809 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 04:23:50,809 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [881660718] [2024-04-06 04:23:50,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 04:23:50,809 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 04:23:50,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 04:23:52,397 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 04:23:52,397 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 04:23:52,398 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [881660718] [2024-04-06 04:23:52,398 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [881660718] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-06 04:23:52,398 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-06 04:23:52,398 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-04-06 04:23:52,398 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1466171150] [2024-04-06 04:23:52,398 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-06 04:23:52,399 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-04-06 04:23:52,403 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 04:23:52,404 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-04-06 04:23:52,404 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=181, Unknown=0, NotChecked=0, Total=210 [2024-04-06 04:23:52,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 04:23:52,406 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 04:23:52,407 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) [2024-04-06 04:23:52,407 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 04:23:52,407 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-06 04:23:52,407 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-06 04:23:52,407 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-04-06 04:23:52,407 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-04-06 04:23:52,407 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 04:23:59,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 04:23:59,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-06 04:23:59,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-06 04:23:59,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-04-06 04:23:59,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-04-06 04:23:59,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-04-06 04:23:59,809 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-04-06 04:23:59,809 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)] === [2024-04-06 04:23:59,809 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 04:23:59,809 INFO L85 PathProgramCache]: Analyzing trace with hash -868193188, now seen corresponding path program 1 times [2024-04-06 04:23:59,810 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 04:23:59,810 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [655470553] [2024-04-06 04:23:59,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 04:23:59,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 04:23:59,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 04:24:00,806 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-06 04:24:00,806 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 04:24:00,807 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [655470553] [2024-04-06 04:24:00,807 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [655470553] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-06 04:24:00,807 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-06 04:24:00,807 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-04-06 04:24:00,807 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1060114985] [2024-04-06 04:24:00,807 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-06 04:24:00,808 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-04-06 04:24:00,808 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 04:24:00,809 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-04-06 04:24:00,809 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2024-04-06 04:24:00,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 04:24:00,810 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 04:24:00,810 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 23.75) internal successors, (285), 12 states have internal predecessors, (285), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-06 04:24:00,810 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 04:24:00,810 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-06 04:24:00,810 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-06 04:24:00,810 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-04-06 04:24:00,810 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-04-06 04:24:00,810 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-04-06 04:24:00,810 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 04:24:04,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 04:24:04,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-06 04:24:04,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-06 04:24:04,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-04-06 04:24:04,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-04-06 04:24:04,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-04-06 04:24:04,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-06 04:24:04,466 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION (5 of 6 remaining) [2024-04-06 04:24:04,467 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 6 remaining) [2024-04-06 04:24:04,468 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 6 remaining) [2024-04-06 04:24:04,470 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_nvram_llseekErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 6 remaining) [2024-04-06 04:24:04,470 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 6 remaining) [2024-04-06 04:24:04,471 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_nvram_llseekErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 6 remaining) [2024-04-06 04:24:04,471 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-04-06 04:24:04,478 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2024-04-06 04:24:04,483 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-04-06 04:24:04,487 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2024-04-06 04:24:04,491 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.04 04:24:04 BasicIcfg [2024-04-06 04:24:04,491 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-04-06 04:24:04,492 INFO L158 Benchmark]: Toolchain (without parser) took 28569.08ms. Allocated memory was 159.4MB in the beginning and 795.9MB in the end (delta: 636.5MB). Free memory was 77.9MB in the beginning and 381.5MB in the end (delta: -303.6MB). Peak memory consumption was 333.9MB. Max. memory is 8.0GB. [2024-04-06 04:24:04,492 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 159.4MB. Free memory is still 92.7MB. There was no memory consumed. Max. memory is 8.0GB. [2024-04-06 04:24:04,492 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4609.30ms. Allocated memory was 159.4MB in the beginning and 283.1MB in the end (delta: 123.7MB). Free memory was 77.6MB in the beginning and 144.1MB in the end (delta: -66.4MB). Peak memory consumption was 172.3MB. Max. memory is 8.0GB. [2024-04-06 04:24:04,493 INFO L158 Benchmark]: Boogie Procedure Inliner took 217.25ms. Allocated memory is still 283.1MB. Free memory was 144.1MB in the beginning and 134.7MB in the end (delta: 9.4MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2024-04-06 04:24:04,494 INFO L158 Benchmark]: Boogie Preprocessor took 84.06ms. Allocated memory is still 283.1MB. Free memory was 134.7MB in the beginning and 130.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2024-04-06 04:24:04,495 INFO L158 Benchmark]: RCFGBuilder took 955.84ms. Allocated memory was 283.1MB in the beginning and 442.5MB in the end (delta: 159.4MB). Free memory was 130.5MB in the beginning and 354.4MB in the end (delta: -223.9MB). Peak memory consumption was 27.3MB. Max. memory is 8.0GB. [2024-04-06 04:24:04,495 INFO L158 Benchmark]: TraceAbstraction took 22694.09ms. Allocated memory was 442.5MB in the beginning and 795.9MB in the end (delta: 353.4MB). Free memory was 352.8MB in the beginning and 381.5MB in the end (delta: -28.7MB). Peak memory consumption was 324.2MB. Max. memory is 8.0GB. [2024-04-06 04:24:04,496 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 159.4MB. Free memory is still 92.7MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 4609.30ms. Allocated memory was 159.4MB in the beginning and 283.1MB in the end (delta: 123.7MB). Free memory was 77.6MB in the beginning and 144.1MB in the end (delta: -66.4MB). Peak memory consumption was 172.3MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 217.25ms. Allocated memory is still 283.1MB. Free memory was 144.1MB in the beginning and 134.7MB in the end (delta: 9.4MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * Boogie Preprocessor took 84.06ms. Allocated memory is still 283.1MB. Free memory was 134.7MB in the beginning and 130.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * RCFGBuilder took 955.84ms. Allocated memory was 283.1MB in the beginning and 442.5MB in the end (delta: 159.4MB). Free memory was 130.5MB in the beginning and 354.4MB in the end (delta: -223.9MB). Peak memory consumption was 27.3MB. Max. memory is 8.0GB. * TraceAbstraction took 22694.09ms. Allocated memory was 442.5MB in the beginning and 795.9MB in the end (delta: 353.4MB). Free memory was 352.8MB in the beginning and 381.5MB in the end (delta: -28.7MB). Peak memory consumption was 324.2MB. 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: 266189, independent: 256255, independent conditional: 255066, independent unconditional: 1189, dependent: 9882, dependent conditional: 9670, dependent unconditional: 212, unknown: 52, unknown conditional: 52, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 257158, independent: 256255, independent conditional: 255066, independent unconditional: 1189, dependent: 851, dependent conditional: 851, dependent unconditional: 0, unknown: 52, unknown conditional: 52, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 257158, independent: 256255, independent conditional: 255066, independent unconditional: 1189, dependent: 851, dependent conditional: 851, dependent unconditional: 0, unknown: 52, unknown conditional: 52, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 257158, independent: 256255, independent conditional: 255066, independent unconditional: 1189, dependent: 851, dependent conditional: 851, dependent unconditional: 0, unknown: 52, unknown conditional: 52, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 261391, independent: 256255, independent conditional: 6639, independent unconditional: 249616, dependent: 4850, dependent conditional: 2956, dependent unconditional: 1894, unknown: 286, unknown conditional: 178, unknown unconditional: 108] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 261391, independent: 256255, independent conditional: 3505, independent unconditional: 252750, dependent: 4850, dependent conditional: 1892, dependent unconditional: 2958, unknown: 286, unknown conditional: 126, unknown unconditional: 160] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 261391, independent: 256255, independent conditional: 3505, independent unconditional: 252750, dependent: 4850, dependent conditional: 1892, dependent unconditional: 2958, unknown: 286, unknown conditional: 126, unknown unconditional: 160] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 6310, independent: 6254, independent conditional: 76, independent unconditional: 6178, dependent: 49, dependent conditional: 36, dependent unconditional: 13, unknown: 7, unknown conditional: 5, unknown unconditional: 2] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 6310, independent: 6240, independent conditional: 0, independent unconditional: 6240, dependent: 70, dependent conditional: 0, dependent unconditional: 70, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 70, independent: 14, independent conditional: 14, independent unconditional: 0, dependent: 49, dependent conditional: 36, dependent unconditional: 13, unknown: 7, unknown conditional: 5, unknown unconditional: 2] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 70, independent: 14, independent conditional: 14, independent unconditional: 0, dependent: 49, dependent conditional: 36, dependent unconditional: 13, unknown: 7, unknown conditional: 5, unknown unconditional: 2] , SemanticIndependenceRelation.Query Time [ms]: [ total: 8103, independent: 211, independent conditional: 211, independent unconditional: 0, dependent: 317, dependent conditional: 181, dependent unconditional: 136, unknown: 7575, unknown conditional: 5407, unknown unconditional: 2168] , Protected Queries: 0 ], Cache Queries: [ total: 261391, independent: 250001, independent conditional: 3429, independent unconditional: 246572, dependent: 4801, dependent conditional: 1856, dependent unconditional: 2945, unknown: 6589, unknown conditional: 238, unknown unconditional: 6351] , Statistics on independence cache: Total cache size (in pairs): 6303, Positive cache size: 6254, Positive conditional cache size: 76, Positive unconditional cache size: 6178, Negative cache size: 49, Negative conditional cache size: 36, Negative unconditional cache size: 13, Unknown cache size: 7, Unknown conditional cache size: 5, Unknown unconditional cache size: 2, Eliminated conditions: 4250, Maximal queried relation: 5, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 261391, independent: 256255, independent conditional: 6639, independent unconditional: 249616, dependent: 4850, dependent conditional: 2956, dependent unconditional: 1894, unknown: 286, unknown conditional: 178, unknown unconditional: 108] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 261391, independent: 256255, independent conditional: 3505, independent unconditional: 252750, dependent: 4850, dependent conditional: 1892, dependent unconditional: 2958, unknown: 286, unknown conditional: 126, unknown unconditional: 160] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 261391, independent: 256255, independent conditional: 3505, independent unconditional: 252750, dependent: 4850, dependent conditional: 1892, dependent unconditional: 2958, unknown: 286, unknown conditional: 126, unknown unconditional: 160] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 6310, independent: 6254, independent conditional: 76, independent unconditional: 6178, dependent: 49, dependent conditional: 36, dependent unconditional: 13, unknown: 7, unknown conditional: 5, unknown unconditional: 2] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 6310, independent: 6240, independent conditional: 0, independent unconditional: 6240, dependent: 70, dependent conditional: 0, dependent unconditional: 70, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 70, independent: 14, independent conditional: 14, independent unconditional: 0, dependent: 49, dependent conditional: 36, dependent unconditional: 13, unknown: 7, unknown conditional: 5, unknown unconditional: 2] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 70, independent: 14, independent conditional: 14, independent unconditional: 0, dependent: 49, dependent conditional: 36, dependent unconditional: 13, unknown: 7, unknown conditional: 5, unknown unconditional: 2] , SemanticIndependenceRelation.Query Time [ms]: [ total: 8103, independent: 211, independent conditional: 211, independent unconditional: 0, dependent: 317, dependent conditional: 181, dependent unconditional: 136, unknown: 7575, unknown conditional: 5407, unknown unconditional: 2168] , Protected Queries: 0 ], Cache Queries: [ total: 261391, independent: 250001, independent conditional: 3429, independent unconditional: 246572, dependent: 4801, dependent conditional: 1856, dependent unconditional: 2945, unknown: 6589, unknown conditional: 238, unknown unconditional: 6351] , Statistics on independence cache: Total cache size (in pairs): 6303, Positive cache size: 6254, Positive conditional cache size: 76, Positive unconditional cache size: 6178, Negative cache size: 49, Negative conditional cache size: 36, Negative unconditional cache size: 13, Unknown cache size: 7, Unknown conditional cache size: 5, Unknown unconditional cache size: 2, Eliminated conditions: 4250 ], Independence queries for same thread: 9031 - PositiveResult [Line: 174]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 174]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 506 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 22.5s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 15.8s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 92, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 5.7s InterpolantComputationTime, 1789 NumberOfCodeBlocks, 1789 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 1782 ConstructedInterpolants, 0 QuantifiedInterpolants, 6254 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 2/2 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-04-06 04:24:04,536 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2024-04-06 04:24:04,730 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...