/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 IA --traceabstraction.criterion.for.conditional.commutativity.checking RANDOM --traceabstraction.probability.for.random.criterion 50 --traceabstraction.seed.for.random.criterion 213 -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.conditional-comm-3774817-m [2024-04-04 18:27:48,486 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-04-04 18:27:48,562 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2024-04-04 18:27:48,567 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-04-04 18:27:48,568 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-04-04 18:27:48,600 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-04-04 18:27:48,601 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-04-04 18:27:48,601 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-04-04 18:27:48,602 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-04-04 18:27:48,606 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-04-04 18:27:48,606 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-04-04 18:27:48,606 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-04-04 18:27:48,624 INFO L153 SettingsManager]: * Use SBE=true [2024-04-04 18:27:48,626 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-04-04 18:27:48,626 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-04-04 18:27:48,626 INFO L153 SettingsManager]: * sizeof long=4 [2024-04-04 18:27:48,627 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-04-04 18:27:48,627 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-04-04 18:27:48,627 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-04-04 18:27:48,627 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-04-04 18:27:48,627 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-04-04 18:27:48,628 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-04-04 18:27:48,628 INFO L153 SettingsManager]: * sizeof long double=12 [2024-04-04 18:27:48,628 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-04-04 18:27:48,628 INFO L153 SettingsManager]: * Use constant arrays=true [2024-04-04 18:27:48,629 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-04-04 18:27:48,629 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-04-04 18:27:48,629 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-04-04 18:27:48,629 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-04-04 18:27:48,629 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-04-04 18:27:48,631 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-04-04 18:27:48,631 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-04-04 18:27:48,631 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-04-04 18:27:48,631 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-04-04 18:27:48,631 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2024-04-04 18:27:48,632 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-04-04 18:27:48,632 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-04-04 18:27:48,632 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-04-04 18:27:48,632 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-04-04 18:27:48,632 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> IA Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> RANDOM Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: probability for random criterion as percentage -> 50 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: seed for random criterion -> 213 [2024-04-04 18:27:48,898 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-04-04 18:27:48,920 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-04-04 18:27:48,923 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-04-04 18:27:48,924 INFO L270 PluginConnector]: Initializing CDTParser... [2024-04-04 18:27:48,925 INFO L274 PluginConnector]: CDTParser initialized [2024-04-04 18:27:48,926 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i [2024-04-04 18:27:50,251 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-04-04 18:27:50,730 INFO L384 CDTParser]: Found 1 translation units. [2024-04-04 18:27:50,730 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i [2024-04-04 18:27:50,777 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/1f87fdfb0/115e829365d04c85be6b2f066b75af90/FLAG75ead11ca [2024-04-04 18:27:50,815 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/1f87fdfb0/115e829365d04c85be6b2f066b75af90 [2024-04-04 18:27:50,818 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-04-04 18:27:50,820 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-04-04 18:27:50,823 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-04-04 18:27:50,823 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-04-04 18:27:50,827 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-04-04 18:27:50,828 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.04 06:27:50" (1/1) ... [2024-04-04 18:27:50,829 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3df68a8e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 06:27:50, skipping insertion in model container [2024-04-04 18:27:50,829 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.04 06:27:50" (1/1) ... [2024-04-04 18:27:50,936 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-04-04 18:27:51,314 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i[5469,5482] [2024-04-04 18:27:54,947 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-04-04 18:27:54,973 INFO L202 MainTranslator]: Completed pre-run [2024-04-04 18:27:55,001 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i[5469,5482] [2024-04-04 18:27:55,109 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] [2024-04-04 18:27:55,110 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] [2024-04-04 18:27:55,111 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] [2024-04-04 18:27:55,111 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] [2024-04-04 18:27:55,208 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile("ud2"); [5814] [2024-04-04 18:27:55,252 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-04-04 18:27:55,752 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2024-04-04 18:27:55,752 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2024-04-04 18:27:55,752 WARN L675 CHandler]: The function __xchg_wrong_size is called, but not defined or handled by StandardFunctionHandler. [2024-04-04 18:27:55,752 WARN L675 CHandler]: The function release is called, but not defined or handled by StandardFunctionHandler. [2024-04-04 18:27:55,752 WARN L675 CHandler]: The function ____ilog2_NaN is called, but not defined or handled by StandardFunctionHandler. [2024-04-04 18:27:55,752 WARN L675 CHandler]: The function _whoop_init is called, but not defined or handled by StandardFunctionHandler. [2024-04-04 18:27:55,759 INFO L206 MainTranslator]: Completed translation [2024-04-04 18:27:55,760 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 06:27:55 WrapperNode [2024-04-04 18:27:55,760 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-04-04 18:27:55,762 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-04-04 18:27:55,762 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-04-04 18:27:55,762 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-04-04 18:27:55,769 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 06:27:55" (1/1) ... [2024-04-04 18:27:55,880 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 06:27:55" (1/1) ... [2024-04-04 18:27:55,942 INFO L138 Inliner]: procedures = 1353, calls = 1450, calls flagged for inlining = 347, calls inlined = 19, statements flattened = 324 [2024-04-04 18:27:55,942 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-04-04 18:27:55,943 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-04-04 18:27:55,943 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-04-04 18:27:55,943 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-04-04 18:27:55,955 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 06:27:55" (1/1) ... [2024-04-04 18:27:55,955 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 06:27:55" (1/1) ... [2024-04-04 18:27:55,965 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 06:27:55" (1/1) ... [2024-04-04 18:27:55,965 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 06:27:55" (1/1) ... [2024-04-04 18:27:55,989 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 06:27:55" (1/1) ... [2024-04-04 18:27:56,006 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 06:27:55" (1/1) ... [2024-04-04 18:27:56,010 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 06:27:55" (1/1) ... [2024-04-04 18:27:56,013 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 06:27:55" (1/1) ... [2024-04-04 18:27:56,019 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-04-04 18:27:56,019 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-04-04 18:27:56,020 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-04-04 18:27:56,020 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-04-04 18:27:56,040 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 06:27:55" (1/1) ... [2024-04-04 18:27:56,047 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-04-04 18:27:56,059 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 18:27:56,082 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) [2024-04-04 18:27:56,104 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 [2024-04-04 18:27:56,136 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-04-04 18:27:56,136 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-04-04 18:27:56,136 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_nvram_unlocked_ioctl [2024-04-04 18:27:56,136 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_nvram_unlocked_ioctl [2024-04-04 18:27:56,136 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-04-04 18:27:56,137 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-04-04 18:27:56,137 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-04-04 18:27:56,137 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2024-04-04 18:27:56,137 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-04-04 18:27:56,137 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-04-04 18:27:56,137 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-04-04 18:27:56,137 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-04-04 18:27:56,137 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-04-04 18:27:56,137 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-04-04 18:27:56,137 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_write_nvram [2024-04-04 18:27:56,138 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_write_nvram [2024-04-04 18:27:56,138 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-04-04 18:27:56,140 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-04-04 18:27:56,566 INFO L241 CfgBuilder]: Building ICFG [2024-04-04 18:27:56,568 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-04-04 18:27:56,948 INFO L282 CfgBuilder]: Performing block encoding [2024-04-04 18:27:56,995 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-04-04 18:27:56,996 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2024-04-04 18:27:56,998 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.04 06:27:56 BoogieIcfgContainer [2024-04-04 18:27:56,998 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-04-04 18:27:57,000 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-04-04 18:27:57,000 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-04-04 18:27:57,003 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-04-04 18:27:57,003 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.04 06:27:50" (1/3) ... [2024-04-04 18:27:57,004 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f67cfe7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.04 06:27:57, skipping insertion in model container [2024-04-04 18:27:57,004 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 06:27:55" (2/3) ... [2024-04-04 18:27:57,005 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f67cfe7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.04 06:27:57, skipping insertion in model container [2024-04-04 18:27:57,005 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.04 06:27:56" (3/3) ... [2024-04-04 18:27:57,007 INFO L112 eAbstractionObserver]: Analyzing ICFG char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i [2024-04-04 18:27:57,014 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-04-04 18:27:57,023 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-04-04 18:27:57,024 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-04-04 18:27:57,024 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-04-04 18:27:57,113 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-04-04 18:27:57,170 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-04-04 18:27:57,171 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-04-04 18:27:57,171 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 18:27:57,173 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) [2024-04-04 18:27:57,175 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 [2024-04-04 18:27:57,211 INFO L184 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-04-04 18:27:57,229 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 18:27:57,230 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-04-04 18:27:57,238 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;@6919e21, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=IA, mConComCheckerCriterion=RANDOM, mConComCheckerLimitedChecksCriterion=false, mConComCheckerCriterionLimit=1, mConComCheckerRandomProb=50, mConComCheckerRandomSeed=213 [2024-04-04 18:27:57,238 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-04-04 18:27:57,450 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-04-04 18:27:57,452 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 18:27:57,452 INFO L85 PathProgramCache]: Analyzing trace with hash 617523, now seen corresponding path program 1 times [2024-04-04 18:27:57,483 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 18:27:57,483 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1015346764] [2024-04-04 18:27:57,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 18:27:57,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 18:27:57,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 18:27:58,094 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-04 18:27:58,095 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 18:27:58,095 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1015346764] [2024-04-04 18:27:58,096 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1015346764] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-04 18:27:58,096 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-04 18:27:58,096 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-04-04 18:27:58,097 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1143272433] [2024-04-04 18:27:58,098 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-04 18:27:58,108 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-04-04 18:27:58,108 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 18:27:58,331 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-04-04 18:27:58,331 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-04-04 18:27:58,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 18:27:58,334 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 18:27:58,336 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 138.5) internal successors, (277), 2 states have internal predecessors, (277), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-04 18:27:58,336 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 18:27:58,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 18:27:58,409 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-04-04 18:27:58,409 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-04-04 18:27:58,409 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 18:27:58,410 INFO L85 PathProgramCache]: Analyzing trace with hash 328183117, now seen corresponding path program 1 times [2024-04-04 18:27:58,410 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 18:27:58,410 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [527150044] [2024-04-04 18:27:58,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 18:27:58,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 18:27:58,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 18:27:59,381 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-04 18:27:59,382 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 18:27:59,382 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [527150044] [2024-04-04 18:27:59,382 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [527150044] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-04 18:27:59,382 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-04 18:27:59,383 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-04-04 18:27:59,383 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [950276038] [2024-04-04 18:27:59,384 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-04 18:27:59,385 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-04-04 18:27:59,385 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 18:27:59,491 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-04-04 18:27:59,491 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-04-04 18:27:59,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 18:27:59,492 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 18:27:59,493 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 46.0) internal successors, (276), 6 states have internal predecessors, (276), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-04 18:27:59,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 18:27:59,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 18:28:00,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 18:28:00,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-04 18:28:00,874 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-04-04 18:28:00,874 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-04-04 18:28:00,874 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 18:28:00,874 INFO L85 PathProgramCache]: Analyzing trace with hash -1464651157, now seen corresponding path program 1 times [2024-04-04 18:28:00,875 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 18:28:00,875 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1063888194] [2024-04-04 18:28:00,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 18:28:00,875 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 18:28:01,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 18:28:01,519 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-04 18:28:01,519 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 18:28:01,520 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1063888194] [2024-04-04 18:28:01,520 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1063888194] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-04 18:28:01,520 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-04 18:28:01,520 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-04-04 18:28:01,520 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [754749644] [2024-04-04 18:28:01,520 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-04 18:28:01,521 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-04-04 18:28:01,521 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 18:28:01,583 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-04-04 18:28:01,584 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-04-04 18:28:01,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 18:28:01,592 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 18:28:01,593 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 102.33333333333333) internal successors, (307), 3 states have internal predecessors, (307), 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) [2024-04-04 18:28:01,593 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 18:28:01,593 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-04 18:28:01,593 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 18:28:01,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 18:28:01,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-04 18:28:01,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 18:28:01,620 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-04-04 18:28:01,620 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-04-04 18:28:01,620 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 18:28:01,621 INFO L85 PathProgramCache]: Analyzing trace with hash -323188667, now seen corresponding path program 2 times [2024-04-04 18:28:01,621 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 18:28:01,621 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [898306154] [2024-04-04 18:28:01,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 18:28:01,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 18:28:01,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 18:28:03,243 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-04 18:28:03,244 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 18:28:03,244 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [898306154] [2024-04-04 18:28:03,244 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [898306154] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-04 18:28:03,244 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-04 18:28:03,244 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-04-04 18:28:03,245 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [923466919] [2024-04-04 18:28:03,245 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-04 18:28:03,245 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-04-04 18:28:03,245 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 18:28:03,264 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-04-04 18:28:03,264 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2024-04-04 18:28:03,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 18:28:03,264 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 18:28:03,265 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 19.714285714285715) internal successors, (276), 14 states have internal predecessors, (276), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-04 18:28:03,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 18:28:03,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-04 18:28:03,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 18:28:03,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 18:28:07,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 18:28:07,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-04 18:28:07,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 18:28:07,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-04 18:28:07,365 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-04-04 18:28:07,365 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-04-04 18:28:07,366 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 18:28:07,366 INFO L85 PathProgramCache]: Analyzing trace with hash 1298725197, now seen corresponding path program 3 times [2024-04-04 18:28:07,366 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 18:28:07,367 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1754164300] [2024-04-04 18:28:07,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 18:28:07,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 18:28:07,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 18:28:12,827 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-04 18:28:12,828 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 18:28:12,828 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1754164300] [2024-04-04 18:28:12,828 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1754164300] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-04 18:28:12,828 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-04 18:28:12,829 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [33] imperfect sequences [] total 33 [2024-04-04 18:28:12,829 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1693571867] [2024-04-04 18:28:12,829 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-04 18:28:12,829 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2024-04-04 18:28:12,829 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 18:28:12,921 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2024-04-04 18:28:12,922 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=104, Invalid=952, Unknown=0, NotChecked=0, Total=1056 [2024-04-04 18:28:12,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 18:28:12,922 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 18:28:12,923 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 33 states have (on average 8.363636363636363) internal successors, (276), 33 states have internal predecessors, (276), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-04 18:28:12,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 18:28:12,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-04 18:28:12,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 18:28:12,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-04 18:28:12,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 18:28:20,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 18:28:20,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-04 18:28:20,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 18:28:20,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-04 18:28:20,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-04-04 18:28:20,385 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-04-04 18:28:20,385 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-04-04 18:28:20,385 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 18:28:20,386 INFO L85 PathProgramCache]: Analyzing trace with hash -242281523, now seen corresponding path program 4 times [2024-04-04 18:28:20,386 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 18:28:20,386 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [590827013] [2024-04-04 18:28:20,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 18:28:20,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 18:28:20,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 18:28:22,664 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-04 18:28:22,664 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 18:28:22,664 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [590827013] [2024-04-04 18:28:22,664 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [590827013] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-04 18:28:22,664 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-04 18:28:22,665 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2024-04-04 18:28:22,665 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [146712844] [2024-04-04 18:28:22,665 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-04 18:28:22,665 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-04-04 18:28:22,665 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 18:28:23,913 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-04-04 18:28:23,917 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=285, Unknown=0, NotChecked=0, Total=342 [2024-04-04 18:28:23,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 18:28:23,918 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 18:28:23,918 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 14.526315789473685) internal successors, (276), 19 states have internal predecessors, (276), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-04 18:28:23,918 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 18:28:23,918 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-04 18:28:23,918 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 18:28:23,918 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-04 18:28:23,918 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2024-04-04 18:28:23,918 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 18:28:28,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 18:28:28,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-04 18:28:28,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 18:28:28,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-04 18:28:28,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-04-04 18:28:28,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-04 18:28:28,204 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2024-04-04 18:28:28,205 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2024-04-04 18:28:28,205 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2024-04-04 18:28:28,205 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 4 remaining) [2024-04-04 18:28:28,205 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-04-04 18:28:28,216 INFO L445 BasicCegarLoop]: Path program histogram: [4, 1, 1] [2024-04-04 18:28:28,220 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-04-04 18:28:28,220 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2024-04-04 18:28:28,228 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.04 06:28:28 BasicIcfg [2024-04-04 18:28:28,228 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-04-04 18:28:28,228 INFO L158 Benchmark]: Toolchain (without parser) took 37408.74ms. Allocated memory was 231.7MB in the beginning and 823.1MB in the end (delta: 591.4MB). Free memory was 193.8MB in the beginning and 528.5MB in the end (delta: -334.7MB). Peak memory consumption was 550.1MB. Max. memory is 8.0GB. [2024-04-04 18:28:28,229 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 151.0MB. Free memory is still 113.8MB. There was no memory consumed. Max. memory is 8.0GB. [2024-04-04 18:28:28,229 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4937.76ms. Allocated memory was 231.7MB in the beginning and 330.3MB in the end (delta: 98.6MB). Free memory was 193.8MB in the beginning and 154.7MB in the end (delta: 39.1MB). Peak memory consumption was 148.5MB. Max. memory is 8.0GB. [2024-04-04 18:28:28,229 INFO L158 Benchmark]: Boogie Procedure Inliner took 180.88ms. Allocated memory is still 330.3MB. Free memory was 154.7MB in the beginning and 256.6MB in the end (delta: -101.9MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. [2024-04-04 18:28:28,229 INFO L158 Benchmark]: Boogie Preprocessor took 75.88ms. Allocated memory is still 330.3MB. Free memory was 256.6MB in the beginning and 252.4MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2024-04-04 18:28:28,230 INFO L158 Benchmark]: RCFGBuilder took 978.46ms. Allocated memory is still 330.3MB. Free memory was 252.4MB in the beginning and 206.2MB in the end (delta: 46.1MB). Peak memory consumption was 46.1MB. Max. memory is 8.0GB. [2024-04-04 18:28:28,230 INFO L158 Benchmark]: TraceAbstraction took 31227.80ms. Allocated memory was 330.3MB in the beginning and 823.1MB in the end (delta: 492.8MB). Free memory was 205.2MB in the beginning and 528.5MB in the end (delta: -323.3MB). Peak memory consumption was 462.6MB. Max. memory is 8.0GB. [2024-04-04 18:28:28,231 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 151.0MB. Free memory is still 113.8MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 4937.76ms. Allocated memory was 231.7MB in the beginning and 330.3MB in the end (delta: 98.6MB). Free memory was 193.8MB in the beginning and 154.7MB in the end (delta: 39.1MB). Peak memory consumption was 148.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 180.88ms. Allocated memory is still 330.3MB. Free memory was 154.7MB in the beginning and 256.6MB in the end (delta: -101.9MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. * Boogie Preprocessor took 75.88ms. Allocated memory is still 330.3MB. Free memory was 256.6MB in the beginning and 252.4MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * RCFGBuilder took 978.46ms. Allocated memory is still 330.3MB. Free memory was 252.4MB in the beginning and 206.2MB in the end (delta: 46.1MB). Peak memory consumption was 46.1MB. Max. memory is 8.0GB. * TraceAbstraction took 31227.80ms. Allocated memory was 330.3MB in the beginning and 823.1MB in the end (delta: 492.8MB). Free memory was 205.2MB in the beginning and 528.5MB in the end (delta: -323.3MB). Peak memory consumption was 462.6MB. 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: 54325, independent: 51920, independent conditional: 51763, independent unconditional: 157, dependent: 2387, dependent conditional: 2326, dependent unconditional: 61, unknown: 18, unknown conditional: 18, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 52246, independent: 51920, independent conditional: 51763, independent unconditional: 157, dependent: 308, dependent conditional: 308, dependent unconditional: 0, unknown: 18, unknown conditional: 18, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 52246, independent: 51920, independent conditional: 51763, independent unconditional: 157, dependent: 308, dependent conditional: 308, dependent unconditional: 0, unknown: 18, unknown conditional: 18, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 52246, independent: 51920, independent conditional: 51763, independent unconditional: 157, dependent: 308, dependent conditional: 308, dependent unconditional: 0, unknown: 18, unknown conditional: 18, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 53806, independent: 51920, independent conditional: 767, independent unconditional: 51153, dependent: 1779, dependent conditional: 1109, dependent unconditional: 670, unknown: 107, unknown conditional: 59, unknown unconditional: 48] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 53806, independent: 51920, independent conditional: 549, independent unconditional: 51371, dependent: 1779, dependent conditional: 598, dependent unconditional: 1181, unknown: 107, unknown conditional: 46, unknown unconditional: 61] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 53806, independent: 51920, independent conditional: 549, independent unconditional: 51371, dependent: 1779, dependent conditional: 598, dependent unconditional: 1181, unknown: 107, unknown conditional: 46, unknown unconditional: 61] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 5126, independent: 5064, independent conditional: 114, independent unconditional: 4950, dependent: 51, dependent conditional: 37, dependent unconditional: 14, unknown: 11, unknown conditional: 8, unknown unconditional: 3] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 5126, independent: 5046, independent conditional: 0, independent unconditional: 5046, dependent: 80, dependent conditional: 0, dependent unconditional: 80, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 80, independent: 18, independent conditional: 18, independent unconditional: 0, dependent: 51, dependent conditional: 37, dependent unconditional: 14, unknown: 11, unknown conditional: 8, unknown unconditional: 3] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 80, independent: 18, independent conditional: 18, independent unconditional: 0, dependent: 51, dependent conditional: 37, dependent unconditional: 14, unknown: 11, unknown conditional: 8, unknown unconditional: 3] , SemanticIndependenceRelation.Query Time [ms]: [ total: 12890, independent: 597, independent conditional: 597, independent unconditional: 0, dependent: 411, dependent conditional: 274, dependent unconditional: 137, unknown: 11882, unknown conditional: 8612, unknown unconditional: 3270] , Protected Queries: 0 ], Cache Queries: [ total: 53806, independent: 46856, independent conditional: 435, independent unconditional: 46421, dependent: 1728, dependent conditional: 561, dependent unconditional: 1167, unknown: 5222, unknown conditional: 197, unknown unconditional: 5025] , Statistics on independence cache: Total cache size (in pairs): 5115, Positive cache size: 5064, Positive conditional cache size: 114, Positive unconditional cache size: 4950, Negative cache size: 51, Negative conditional cache size: 37, Negative unconditional cache size: 14, Unknown cache size: 11, Unknown conditional cache size: 8, Unknown unconditional cache size: 3, Eliminated conditions: 742, Maximal queried relation: 5, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 53806, independent: 51920, independent conditional: 767, independent unconditional: 51153, dependent: 1779, dependent conditional: 1109, dependent unconditional: 670, unknown: 107, unknown conditional: 59, unknown unconditional: 48] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 53806, independent: 51920, independent conditional: 549, independent unconditional: 51371, dependent: 1779, dependent conditional: 598, dependent unconditional: 1181, unknown: 107, unknown conditional: 46, unknown unconditional: 61] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 53806, independent: 51920, independent conditional: 549, independent unconditional: 51371, dependent: 1779, dependent conditional: 598, dependent unconditional: 1181, unknown: 107, unknown conditional: 46, unknown unconditional: 61] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 5126, independent: 5064, independent conditional: 114, independent unconditional: 4950, dependent: 51, dependent conditional: 37, dependent unconditional: 14, unknown: 11, unknown conditional: 8, unknown unconditional: 3] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 5126, independent: 5046, independent conditional: 0, independent unconditional: 5046, dependent: 80, dependent conditional: 0, dependent unconditional: 80, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 80, independent: 18, independent conditional: 18, independent unconditional: 0, dependent: 51, dependent conditional: 37, dependent unconditional: 14, unknown: 11, unknown conditional: 8, unknown unconditional: 3] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 80, independent: 18, independent conditional: 18, independent unconditional: 0, dependent: 51, dependent conditional: 37, dependent unconditional: 14, unknown: 11, unknown conditional: 8, unknown unconditional: 3] , SemanticIndependenceRelation.Query Time [ms]: [ total: 12890, independent: 597, independent conditional: 597, independent unconditional: 0, dependent: 411, dependent conditional: 274, dependent unconditional: 137, unknown: 11882, unknown conditional: 8612, unknown unconditional: 3270] , Protected Queries: 0 ], Cache Queries: [ total: 53806, independent: 46856, independent conditional: 435, independent unconditional: 46421, dependent: 1728, dependent conditional: 561, dependent unconditional: 1167, unknown: 5222, unknown conditional: 197, unknown unconditional: 5025] , Statistics on independence cache: Total cache size (in pairs): 5115, Positive cache size: 5064, Positive conditional cache size: 114, Positive unconditional cache size: 4950, Negative cache size: 51, Negative conditional cache size: 37, Negative unconditional cache size: 14, Unknown cache size: 11, Unknown conditional cache size: 8, Unknown unconditional cache size: 3, Eliminated conditions: 742 ], Independence queries for same thread: 2079 - PositiveResult [Line: 174]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 502 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 31.0s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 4, EmptinessCheckTime: 17.5s, 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: 90, 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, 0.8s SatisfiabilityAnalysisTime, 10.4s InterpolantComputationTime, 1688 NumberOfCodeBlocks, 1688 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 1682 ConstructedInterpolants, 0 QuantifiedInterpolants, 7873 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-04-04 18:28:28,283 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2024-04-04 18:28:28,466 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...