/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf --traceabstraction.cegar.restart.behaviour ONE_CEGAR_PER_THREAD_INSTANCE --traceabstraction.maximal.amount.of.steps.the.threads.are.allowed.to.take.successively 1 --traceabstraction.enable.heuristic.with.loops.as.step.type false --traceabstraction.considered.threads.and.their.maximal.amount.of.steps '"3,2 1,1 2,2"' --traceabstraction.defines.what.statements.are.considered.a.step.in.por GLOBAL_READ_WRITE -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/ldv-races/race-2_4-container_of.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.orders-32214ab [2023-05-20 04:13:46,223 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-05-20 04:13:46,225 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-05-20 04:13:46,251 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2023-05-20 04:13:46,259 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-05-20 04:13:46,260 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-05-20 04:13:46,261 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-05-20 04:13:46,261 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-05-20 04:13:46,262 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-05-20 04:13:46,263 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-05-20 04:13:46,264 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-05-20 04:13:46,273 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-05-20 04:13:46,277 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-05-20 04:13:46,281 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-05-20 04:13:46,283 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-05-20 04:13:46,284 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-05-20 04:13:46,291 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2023-05-20 04:13:46,300 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-05-20 04:13:46,301 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-05-20 04:13:46,301 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-05-20 04:13:46,302 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2023-05-20 04:13:46,323 INFO L113 SettingsManager]: Loading preferences was successful [2023-05-20 04:13:46,323 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-05-20 04:13:46,323 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-05-20 04:13:46,324 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-05-20 04:13:46,324 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-05-20 04:13:46,324 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-05-20 04:13:46,326 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-05-20 04:13:46,327 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-05-20 04:13:46,327 INFO L138 SettingsManager]: * Use SBE=true [2023-05-20 04:13:46,327 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-05-20 04:13:46,327 INFO L138 SettingsManager]: * sizeof long=4 [2023-05-20 04:13:46,327 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-05-20 04:13:46,327 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-05-20 04:13:46,327 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-05-20 04:13:46,327 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-05-20 04:13:46,328 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-05-20 04:13:46,328 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-05-20 04:13:46,328 INFO L138 SettingsManager]: * sizeof long double=12 [2023-05-20 04:13:46,328 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-05-20 04:13:46,328 INFO L138 SettingsManager]: * Use constant arrays=true [2023-05-20 04:13:46,328 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-05-20 04:13:46,328 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-05-20 04:13:46,328 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-05-20 04:13:46,328 INFO L138 SettingsManager]: * To the following directory=./dump/ [2023-05-20 04:13:46,329 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-05-20 04:13:46,329 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-20 04:13:46,329 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-05-20 04:13:46,329 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-05-20 04:13:46,329 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-05-20 04:13:46,329 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-05-20 04:13:46,329 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-05-20 04:13:46,329 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-05-20 04:13:46,329 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-05-20 04:13:46,330 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-05-20 04:13:46,330 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-05-20 04:13:46,330 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-05-20 04:13:46,330 INFO L138 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/UAutomizer-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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_THREAD_INSTANCE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Maximal amount of steps the threads are allowed to take successively -> 1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Enable heuristic with loops as step type -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Considered threads and their maximal amount of steps -> 3,2 1,1 2,2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Defines what statements are considered a step in POR -> GLOBAL_READ_WRITE [2023-05-20 04:13:46,574 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-05-20 04:13:46,596 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-05-20 04:13:46,598 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-05-20 04:13:46,599 INFO L271 PluginConnector]: Initializing CDTParser... [2023-05-20 04:13:46,600 INFO L275 PluginConnector]: CDTParser initialized [2023-05-20 04:13:46,601 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-races/race-2_4-container_of.i [2023-05-20 04:13:46,666 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9ad753d27/dc05cd9372ec414ab7c03ee3f606a161/FLAG7609152f0 [2023-05-20 04:13:47,206 INFO L306 CDTParser]: Found 1 translation units. [2023-05-20 04:13:47,206 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-2_4-container_of.i [2023-05-20 04:13:47,237 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9ad753d27/dc05cd9372ec414ab7c03ee3f606a161/FLAG7609152f0 [2023-05-20 04:13:47,686 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9ad753d27/dc05cd9372ec414ab7c03ee3f606a161 [2023-05-20 04:13:47,689 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-05-20 04:13:47,690 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2023-05-20 04:13:47,694 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-05-20 04:13:47,694 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-05-20 04:13:47,697 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-05-20 04:13:47,697 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.05 04:13:47" (1/1) ... [2023-05-20 04:13:47,698 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11d16c8c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 04:13:47, skipping insertion in model container [2023-05-20 04:13:47,698 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.05 04:13:47" (1/1) ... [2023-05-20 04:13:47,705 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-05-20 04:13:47,759 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-05-20 04:13:47,897 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-05-20 04:13:48,404 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-2_4-container_of.i[75002,75015] [2023-05-20 04:13:48,453 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-20 04:13:48,466 INFO L203 MainTranslator]: Completed pre-run [2023-05-20 04:13:48,477 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-05-20 04:13:48,509 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-2_4-container_of.i[75002,75015] [2023-05-20 04:13:48,528 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-20 04:13:48,619 INFO L208 MainTranslator]: Completed translation [2023-05-20 04:13:48,619 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 04:13:48 WrapperNode [2023-05-20 04:13:48,619 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-05-20 04:13:48,621 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-05-20 04:13:48,621 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-05-20 04:13:48,621 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-05-20 04:13:48,627 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 04:13:48" (1/1) ... [2023-05-20 04:13:48,661 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 04:13:48" (1/1) ... [2023-05-20 04:13:48,686 INFO L138 Inliner]: procedures = 469, calls = 63, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 143 [2023-05-20 04:13:48,687 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-05-20 04:13:48,688 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-05-20 04:13:48,688 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-05-20 04:13:48,688 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-05-20 04:13:48,694 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 04:13:48" (1/1) ... [2023-05-20 04:13:48,695 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 04:13:48" (1/1) ... [2023-05-20 04:13:48,699 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 04:13:48" (1/1) ... [2023-05-20 04:13:48,699 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 04:13:48" (1/1) ... [2023-05-20 04:13:48,712 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 04:13:48" (1/1) ... [2023-05-20 04:13:48,714 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 04:13:48" (1/1) ... [2023-05-20 04:13:48,718 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 04:13:48" (1/1) ... [2023-05-20 04:13:48,720 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 04:13:48" (1/1) ... [2023-05-20 04:13:48,724 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-05-20 04:13:48,725 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-05-20 04:13:48,726 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-05-20 04:13:48,726 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-05-20 04:13:48,726 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 04:13:48" (1/1) ... [2023-05-20 04:13:48,733 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-20 04:13:48,743 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 04:13:48,758 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-05-20 04:13:48,766 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-05-20 04:13:48,795 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-05-20 04:13:48,795 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-05-20 04:13:48,795 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-05-20 04:13:48,795 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-05-20 04:13:48,795 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-05-20 04:13:48,795 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-05-20 04:13:48,795 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-05-20 04:13:48,795 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-05-20 04:13:48,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-05-20 04:13:48,796 INFO L130 BoogieDeclarations]: Found specification of procedure my_callback [2023-05-20 04:13:48,796 INFO L138 BoogieDeclarations]: Found implementation of procedure my_callback [2023-05-20 04:13:48,796 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-05-20 04:13:48,796 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-05-20 04:13:48,796 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-05-20 04:13:48,797 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2023-05-20 04:13:49,097 INFO L235 CfgBuilder]: Building ICFG [2023-05-20 04:13:49,100 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-05-20 04:13:49,342 INFO L276 CfgBuilder]: Performing block encoding [2023-05-20 04:13:49,419 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-05-20 04:13:49,420 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2023-05-20 04:13:49,422 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.05 04:13:49 BoogieIcfgContainer [2023-05-20 04:13:49,422 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-05-20 04:13:49,429 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-05-20 04:13:49,430 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-05-20 04:13:49,433 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-05-20 04:13:49,433 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.05 04:13:47" (1/3) ... [2023-05-20 04:13:49,434 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b2bd990 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.05 04:13:49, skipping insertion in model container [2023-05-20 04:13:49,434 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 04:13:48" (2/3) ... [2023-05-20 04:13:49,435 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b2bd990 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.05 04:13:49, skipping insertion in model container [2023-05-20 04:13:49,435 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.05 04:13:49" (3/3) ... [2023-05-20 04:13:49,437 INFO L112 eAbstractionObserver]: Analyzing ICFG race-2_4-container_of.i [2023-05-20 04:13:49,445 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-05-20 04:13:49,454 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-05-20 04:13:49,455 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2023-05-20 04:13:49,455 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-05-20 04:13:49,534 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-05-20 04:13:49,595 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-20 04:13:49,596 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-05-20 04:13:49,596 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 04:13:49,602 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2023-05-20 04:13:49,621 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2023-05-20 04:13:49,648 INFO L162 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-05-20 04:13:49,674 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2023-05-20 04:13:49,681 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=LoopsAndPotentialCycles, 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;@79aed81f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-20 04:13:49,681 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2023-05-20 04:14:01,990 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2023-05-20 04:14:01,994 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 04:14:01,995 INFO L85 PathProgramCache]: Analyzing trace with hash 1737106886, now seen corresponding path program 1 times [2023-05-20 04:14:02,002 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 04:14:02,003 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1574073938] [2023-05-20 04:14:02,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 04:14:02,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 04:14:02,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 04:14:03,202 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 04:14:03,203 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 04:14:03,203 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1574073938] [2023-05-20 04:14:03,204 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1574073938] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 04:14:03,204 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-20 04:14:03,205 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-05-20 04:14:03,206 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [291607261] [2023-05-20 04:14:03,206 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 04:14:03,213 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-05-20 04:14:03,214 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 04:14:03,236 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-05-20 04:14:03,238 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-05-20 04:14:03,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 04:14:03,239 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 04:14:03,240 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 24.0) internal successors, (144), 6 states have internal predecessors, (144), 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) [2023-05-20 04:14:03,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 04:14:03,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-20 04:14:03,441 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-05-20 04:14:03,441 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2023-05-20 04:14:03,442 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 04:14:03,442 INFO L85 PathProgramCache]: Analyzing trace with hash -262912156, now seen corresponding path program 1 times [2023-05-20 04:14:03,442 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 04:14:03,442 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2054749799] [2023-05-20 04:14:03,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 04:14:03,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 04:14:03,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 04:14:03,951 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 04:14:03,952 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 04:14:03,952 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2054749799] [2023-05-20 04:14:03,952 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2054749799] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 04:14:03,952 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-20 04:14:03,953 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-05-20 04:14:03,954 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1858429321] [2023-05-20 04:14:03,954 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 04:14:03,956 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-05-20 04:14:03,956 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 04:14:03,956 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-05-20 04:14:03,957 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-05-20 04:14:03,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 04:14:03,958 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 04:14:03,958 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 22.666666666666668) internal successors, (136), 6 states have internal predecessors, (136), 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) [2023-05-20 04:14:03,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-20 04:14:03,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 04:14:04,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-20 04:14:04,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-05-20 04:14:04,129 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-05-20 04:14:04,130 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2023-05-20 04:14:04,130 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 04:14:04,130 INFO L85 PathProgramCache]: Analyzing trace with hash 1263542240, now seen corresponding path program 1 times [2023-05-20 04:14:04,130 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 04:14:04,130 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [105027348] [2023-05-20 04:14:04,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 04:14:04,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 04:14:04,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 04:14:05,353 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 04:14:05,353 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 04:14:05,353 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [105027348] [2023-05-20 04:14:05,353 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [105027348] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 04:14:05,354 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-20 04:14:05,354 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2023-05-20 04:14:05,354 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1285662550] [2023-05-20 04:14:05,354 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 04:14:05,355 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-05-20 04:14:05,355 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 04:14:05,355 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-05-20 04:14:05,356 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=156, Unknown=0, NotChecked=0, Total=182 [2023-05-20 04:14:05,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 04:14:05,356 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 04:14:05,356 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 8.857142857142858) internal successors, (124), 14 states have internal predecessors, (124), 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) [2023-05-20 04:14:05,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-20 04:14:05,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-05-20 04:14:05,357 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 04:14:14,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-20 04:14:14,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-05-20 04:14:14,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-20 04:14:14,005 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-05-20 04:14:14,005 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2023-05-20 04:14:14,005 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 04:14:14,005 INFO L85 PathProgramCache]: Analyzing trace with hash 2014582795, now seen corresponding path program 1 times [2023-05-20 04:14:14,006 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 04:14:14,006 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [120633248] [2023-05-20 04:14:14,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 04:14:14,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 04:14:14,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 04:14:14,141 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 04:14:14,141 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 04:14:14,142 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [120633248] [2023-05-20 04:14:14,145 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [120633248] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 04:14:14,145 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-20 04:14:14,145 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-05-20 04:14:14,146 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [662196830] [2023-05-20 04:14:14,146 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 04:14:14,147 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-05-20 04:14:14,147 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 04:14:14,147 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-05-20 04:14:14,149 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-05-20 04:14:14,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 04:14:14,149 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 04:14:14,149 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.2) internal successors, (91), 5 states have internal predecessors, (91), 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) [2023-05-20 04:14:14,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-20 04:14:14,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-05-20 04:14:14,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-20 04:14:14,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 04:14:17,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-20 04:14:17,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-05-20 04:14:17,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-20 04:14:17,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-20 04:14:17,621 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-05-20 04:14:17,621 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2023-05-20 04:14:17,622 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 04:14:17,622 INFO L85 PathProgramCache]: Analyzing trace with hash 304503657, now seen corresponding path program 1 times [2023-05-20 04:14:17,622 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 04:14:17,622 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [607247403] [2023-05-20 04:14:17,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 04:14:17,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 04:14:17,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-05-20 04:14:17,704 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-05-20 04:14:17,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-05-20 04:14:17,825 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-05-20 04:14:17,825 INFO L359 BasicCegarLoop]: Counterexample is feasible [2023-05-20 04:14:17,826 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (7 of 8 remaining) [2023-05-20 04:14:17,828 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (6 of 8 remaining) [2023-05-20 04:14:17,828 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION (5 of 8 remaining) [2023-05-20 04:14:17,828 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION (4 of 8 remaining) [2023-05-20 04:14:17,829 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (3 of 8 remaining) [2023-05-20 04:14:17,829 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION (2 of 8 remaining) [2023-05-20 04:14:17,829 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 8 remaining) [2023-05-20 04:14:17,829 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 8 remaining) [2023-05-20 04:14:17,829 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-05-20 04:14:17,834 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2023-05-20 04:14:17,838 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-05-20 04:14:17,838 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-05-20 04:14:17,902 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.05 04:14:17 BasicIcfg [2023-05-20 04:14:17,902 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-05-20 04:14:17,903 INFO L158 Benchmark]: Toolchain (without parser) took 30212.97ms. Allocated memory was 177.2MB in the beginning and 262.1MB in the end (delta: 84.9MB). Free memory was 152.8MB in the beginning and 200.7MB in the end (delta: -47.9MB). Peak memory consumption was 158.8MB. Max. memory is 8.0GB. [2023-05-20 04:14:17,903 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 177.2MB. Free memory is still 137.2MB. There was no memory consumed. Max. memory is 8.0GB. [2023-05-20 04:14:17,904 INFO L158 Benchmark]: CACSL2BoogieTranslator took 925.68ms. Allocated memory is still 177.2MB. Free memory was 152.8MB in the beginning and 107.8MB in the end (delta: 45.0MB). Peak memory consumption was 49.6MB. Max. memory is 8.0GB. [2023-05-20 04:14:17,904 INFO L158 Benchmark]: Boogie Procedure Inliner took 66.10ms. Allocated memory is still 177.2MB. Free memory was 107.8MB in the beginning and 104.4MB in the end (delta: 3.4MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-05-20 04:14:17,904 INFO L158 Benchmark]: Boogie Preprocessor took 36.92ms. Allocated memory is still 177.2MB. Free memory was 104.4MB in the beginning and 101.8MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-05-20 04:14:17,905 INFO L158 Benchmark]: RCFGBuilder took 696.88ms. Allocated memory was 177.2MB in the beginning and 218.1MB in the end (delta: 40.9MB). Free memory was 101.5MB in the beginning and 176.9MB in the end (delta: -75.4MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. [2023-05-20 04:14:17,905 INFO L158 Benchmark]: TraceAbstraction took 28473.38ms. Allocated memory was 218.1MB in the beginning and 262.1MB in the end (delta: 44.0MB). Free memory was 175.3MB in the beginning and 200.7MB in the end (delta: -25.4MB). Peak memory consumption was 141.4MB. Max. memory is 8.0GB. [2023-05-20 04:14:17,907 INFO L339 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 177.2MB. Free memory is still 137.2MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 925.68ms. Allocated memory is still 177.2MB. Free memory was 152.8MB in the beginning and 107.8MB in the end (delta: 45.0MB). Peak memory consumption was 49.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 66.10ms. Allocated memory is still 177.2MB. Free memory was 107.8MB in the beginning and 104.4MB in the end (delta: 3.4MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 36.92ms. Allocated memory is still 177.2MB. Free memory was 104.4MB in the beginning and 101.8MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 696.88ms. Allocated memory was 177.2MB in the beginning and 218.1MB in the end (delta: 40.9MB). Free memory was 101.5MB in the beginning and 176.9MB in the end (delta: -75.4MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. * TraceAbstraction took 28473.38ms. Allocated memory was 218.1MB in the beginning and 262.1MB in the end (delta: 44.0MB). Free memory was 175.3MB in the beginning and 200.7MB in the end (delta: -25.4MB). Peak memory consumption was 141.4MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 2691, independent: 2385, independent conditional: 548, independent unconditional: 1837, dependent: 271, dependent conditional: 234, dependent unconditional: 37, unknown: 35, unknown conditional: 17, unknown unconditional: 18] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2497, independent: 2385, independent conditional: 548, independent unconditional: 1837, dependent: 77, dependent conditional: 40, dependent unconditional: 37, unknown: 35, unknown conditional: 17, unknown unconditional: 18] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 2497, independent: 2385, independent conditional: 548, independent unconditional: 1837, dependent: 77, dependent conditional: 40, dependent unconditional: 37, unknown: 35, unknown conditional: 17, unknown unconditional: 18] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2559, independent: 2385, independent conditional: 0, independent unconditional: 2385, dependent: 125, dependent conditional: 48, dependent unconditional: 77, unknown: 49, unknown conditional: 14, unknown unconditional: 35] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2559, independent: 2385, independent conditional: 0, independent unconditional: 2385, dependent: 125, dependent conditional: 14, dependent unconditional: 111, unknown: 49, unknown conditional: 3, unknown unconditional: 46] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2559, independent: 2385, independent conditional: 0, independent unconditional: 2385, dependent: 125, dependent conditional: 14, dependent unconditional: 111, unknown: 49, unknown conditional: 3, unknown unconditional: 46] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1908, independent: 1837, independent conditional: 0, independent unconditional: 1837, dependent: 50, dependent conditional: 11, dependent unconditional: 39, unknown: 21, unknown conditional: 3, unknown unconditional: 18] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1908, independent: 1833, independent conditional: 0, independent unconditional: 1833, dependent: 75, dependent conditional: 0, dependent unconditional: 75, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 75, independent: 4, independent conditional: 0, independent unconditional: 4, dependent: 50, dependent conditional: 11, dependent unconditional: 39, unknown: 21, unknown conditional: 3, unknown unconditional: 18] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 75, independent: 4, independent conditional: 0, independent unconditional: 4, dependent: 50, dependent conditional: 11, dependent unconditional: 39, unknown: 21, unknown conditional: 3, unknown unconditional: 18] , SemanticIndependenceRelation.Query Time [ms]: [ total: 23364, independent: 98, independent conditional: 0, independent unconditional: 98, dependent: 528, dependent conditional: 206, dependent unconditional: 322, unknown: 22739, unknown conditional: 3310, unknown unconditional: 19429] , Protected Queries: 0 ], Cache Queries: [ total: 2559, independent: 548, independent conditional: 0, independent unconditional: 548, dependent: 75, dependent conditional: 3, dependent unconditional: 72, unknown: 1936, unknown conditional: 14, unknown unconditional: 1922] , Statistics on independence cache: Total cache size (in pairs): 1887, Positive cache size: 1837, Positive conditional cache size: 0, Positive unconditional cache size: 1837, Negative cache size: 50, Negative conditional cache size: 11, Negative unconditional cache size: 39, Unknown cache size: 21, Unknown conditional cache size: 3, Unknown unconditional cache size: 18, Eliminated conditions: 45, Maximal queried relation: 4, Independence queries for same thread: 194 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 19.9s, Number of persistent set computation: 186, Number of trivial persistent sets: 175, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1892, independent: 1837, independent conditional: 0, independent unconditional: 1837, dependent: 37, dependent conditional: 0, dependent unconditional: 37, unknown: 18, unknown conditional: 0, unknown unconditional: 18] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 2691, independent: 2385, independent conditional: 548, independent unconditional: 1837, dependent: 271, dependent conditional: 234, dependent unconditional: 37, unknown: 35, unknown conditional: 17, unknown unconditional: 18] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2497, independent: 2385, independent conditional: 548, independent unconditional: 1837, dependent: 77, dependent conditional: 40, dependent unconditional: 37, unknown: 35, unknown conditional: 17, unknown unconditional: 18] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 2497, independent: 2385, independent conditional: 548, independent unconditional: 1837, dependent: 77, dependent conditional: 40, dependent unconditional: 37, unknown: 35, unknown conditional: 17, unknown unconditional: 18] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2559, independent: 2385, independent conditional: 0, independent unconditional: 2385, dependent: 125, dependent conditional: 48, dependent unconditional: 77, unknown: 49, unknown conditional: 14, unknown unconditional: 35] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2559, independent: 2385, independent conditional: 0, independent unconditional: 2385, dependent: 125, dependent conditional: 14, dependent unconditional: 111, unknown: 49, unknown conditional: 3, unknown unconditional: 46] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2559, independent: 2385, independent conditional: 0, independent unconditional: 2385, dependent: 125, dependent conditional: 14, dependent unconditional: 111, unknown: 49, unknown conditional: 3, unknown unconditional: 46] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1908, independent: 1837, independent conditional: 0, independent unconditional: 1837, dependent: 50, dependent conditional: 11, dependent unconditional: 39, unknown: 21, unknown conditional: 3, unknown unconditional: 18] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1908, independent: 1833, independent conditional: 0, independent unconditional: 1833, dependent: 75, dependent conditional: 0, dependent unconditional: 75, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 75, independent: 4, independent conditional: 0, independent unconditional: 4, dependent: 50, dependent conditional: 11, dependent unconditional: 39, unknown: 21, unknown conditional: 3, unknown unconditional: 18] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 75, independent: 4, independent conditional: 0, independent unconditional: 4, dependent: 50, dependent conditional: 11, dependent unconditional: 39, unknown: 21, unknown conditional: 3, unknown unconditional: 18] , SemanticIndependenceRelation.Query Time [ms]: [ total: 23364, independent: 98, independent conditional: 0, independent unconditional: 98, dependent: 528, dependent conditional: 206, dependent unconditional: 322, unknown: 22739, unknown conditional: 3310, unknown unconditional: 19429] , Protected Queries: 0 ], Cache Queries: [ total: 2559, independent: 548, independent conditional: 0, independent unconditional: 548, dependent: 75, dependent conditional: 3, dependent unconditional: 72, unknown: 1936, unknown conditional: 14, unknown unconditional: 1922] , Statistics on independence cache: Total cache size (in pairs): 1887, Positive cache size: 1837, Positive conditional cache size: 0, Positive unconditional cache size: 1837, Negative cache size: 50, Negative conditional cache size: 11, Negative unconditional cache size: 39, Unknown cache size: 21, Unknown conditional cache size: 3, Unknown unconditional cache size: 18, Eliminated conditions: 45, Maximal queried relation: 4, Independence queries for same thread: 194 - CounterExampleResult [Line: 1675]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L1676] 0 pthread_t t1,t2; VAL [t1={3:0}, t2={4:0}] [L1745] CALL, EXPR 0 my_drv_init() [L1739] 0 return 0; VAL [\result=0, t1={3:0}, t2={4:0}] [L1745] RET, EXPR 0 my_drv_init() [L1745] 0 int ret = my_drv_init(); VAL [my_drv_init()=0, ret=0, t1={3:0}, t2={4:0}] [L1746] COND TRUE 0 ret==0 VAL [ret=0, t1={3:0}, t2={4:0}] [L1747] 0 int probe_ret; VAL [ret=0, t1={3:0}, t2={4:0}] [L1748] 0 struct my_data data; VAL [data={5:0}, ret=0, t1={3:0}, t2={4:0}] [L1749] CALL, EXPR 0 my_drv_probe(&data) [L1706] 0 struct device *d = &data->dev; VAL [d={5:24}, data={5:0}, data={5:0}, t1={3:0}, t2={4:0}] [L1708] 0 data->shared.a = 0 VAL [d={5:24}, data={5:0}, data={5:0}, t1={3:0}, t2={4:0}] [L1709] 0 data->shared.b = 0 VAL [d={5:24}, data={5:0}, data={5:0}, t1={3:0}, t2={4:0}] [L1710] 0 int res = __VERIFIER_nondet_int(); VAL [__VERIFIER_nondet_int()=0, d={5:24}, data={5:0}, data={5:0}, res=0, t1={3:0}, t2={4:0}] [L1711] COND FALSE 0 !(\read(res)) VAL [d={5:24}, data={5:0}, data={5:0}, res=0, t1={3:0}, t2={4:0}] [L1713] FCALL, FORK 0 pthread_create(&t1, ((void *)0), my_callback, (void *)d) VAL [arg={5:24}, d={5:24}, data={5:0}, data={5:0}, pthread_create(&t1, ((void *)0), my_callback, (void *)d)=8, res=0, t1={3:0}, t2={4:0}] [L1689] 1 struct device *dev = (struct device*)arg; VAL [arg={5:24}, arg={5:24}, dev={5:24}, t1={3:0}, t2={4:0}] [L1690] 1 struct my_data *data; VAL [arg={5:24}, arg={5:24}, dev={5:24}, t1={3:0}, t2={4:0}] [L1691] 1 const typeof( ((struct my_data *)0)->dev ) *__mptr = (dev); VAL [__mptr={5:24}, arg={5:24}, arg={5:24}, dev={5:24}, t1={3:0}, t2={4:0}] [L1691] 1 data = ({ const typeof( ((struct my_data *)0)->dev ) *__mptr = (dev); (struct my_data *)( (char *)__mptr - ((unsigned long) &((struct my_data *)0)->dev) );}) VAL [__mptr={5:24}, arg={5:24}, arg={5:24}, data={5:0}, dev={5:24}, t1={3:0}, t2={4:0}] [L1694] 1 data->shared.a = 1 VAL [__mptr={5:24}, arg={5:24}, arg={5:24}, data={5:0}, dev={5:24}, t1={3:0}, t2={4:0}] [L1714] FCALL, FORK 0 pthread_create(&t2, ((void *)0), my_callback, (void *)d) VAL [__mptr={5:24}, arg={5:24}, arg={5:24}, d={5:24}, data={5:0}, data={5:0}, data={5:0}, dev={5:24}, pthread_create(&t2, ((void *)0), my_callback, (void *)d)=9, res=0, t1={3:0}, t2={4:0}] [L1689] 2 struct device *dev = (struct device*)arg; VAL [__mptr={5:24}, arg={5:24}, arg={5:24}, data={5:0}, dev={5:24}, t1={3:0}, t2={4:0}] [L1690] 2 struct my_data *data; VAL [__mptr={5:24}, arg={5:24}, arg={5:24}, data={5:0}, dev={5:24}, t1={3:0}, t2={4:0}] [L1691] 2 const typeof( ((struct my_data *)0)->dev ) *__mptr = (dev); VAL [__mptr={5:24}, arg={5:24}, arg={5:24}, data={5:0}, dev={5:24}, t1={3:0}, t2={4:0}] [L1691] 2 data = ({ const typeof( ((struct my_data *)0)->dev ) *__mptr = (dev); (struct my_data *)( (char *)__mptr - ((unsigned long) &((struct my_data *)0)->dev) );}) VAL [__mptr={5:24}, arg={5:24}, arg={5:24}, data={5:0}, dev={5:24}, t1={3:0}, t2={4:0}] [L1715] 0 return 0; VAL [\result=0, __mptr={5:24}, arg={5:24}, arg={5:24}, d={5:24}, data={5:0}, data={5:0}, data={5:0}, dev={5:24}, res=0, t1={3:0}, t2={4:0}] [L1749] RET, EXPR 0 my_drv_probe(&data) [L1749] 0 probe_ret = my_drv_probe(&data) VAL [__mptr={5:24}, arg={5:24}, arg={5:24}, data={5:0}, data={5:0}, dev={5:24}, my_drv_probe(&data)=0, probe_ret=0, ret=0, t1={3:0}, t2={4:0}] [L1750] COND TRUE 0 probe_ret==0 VAL [__mptr={5:24}, arg={5:24}, arg={5:24}, data={5:0}, data={5:0}, dev={5:24}, probe_ret=0, ret=0, t1={3:0}, t2={4:0}] [L1751] CALL 0 my_drv_disconnect(&data) [L1721] 0 void *status; VAL [__mptr={5:24}, arg={5:24}, arg={5:24}, data={5:0}, data={5:0}, data={5:0}, dev={5:24}, status={7:0}, t1={3:0}, t2={4:0}] [L1723] 0 data->shared.a = 3 VAL [__mptr={5:24}, arg={5:24}, arg={5:24}, data={5:0}, data={5:0}, data={5:0}, dev={5:24}, status={7:0}, t1={3:0}, t2={4:0}] [L1697] EXPR 1 data->shared.b [L1697] 1 int lb = data->shared.b; [L1726] 0 data->shared.b = 3 VAL [__mptr={5:24}, arg={5:24}, arg={5:24}, data={5:0}, data={5:0}, data={5:0}, dev={5:24}, lb=0, status={7:0}, t1={3:0}, t2={4:0}] [L1700] 1 data->shared.b = lb + 1 VAL [__mptr={5:24}, arg={5:24}, arg={5:24}, data={5:0}, dev={5:24}, lb=0, t1={3:0}, t2={4:0}] [L1729] EXPR 0 data->shared.a [L1729] CALL 0 ldv_assert(data->shared.a==3) [L1675] COND FALSE 0 !(!expression) [L1729] RET 0 ldv_assert(data->shared.a==3) [L1694] 2 data->shared.a = 1 VAL [__mptr={5:24}, arg={5:24}, arg={5:24}, data={5:0}, dev={5:24}, lb=0, t1={3:0}, t2={4:0}] [L1732] EXPR 0 data->shared.b [L1732] CALL 0 ldv_assert(data->shared.b==3) [L1675] COND TRUE 0 !expression [L1675] 0 reach_error() VAL [\old(expression)=0, __mptr={5:24}, arg={5:24}, arg={5:24}, data={5:0}, dev={5:24}, expression=0, lb=0, t1={3:0}, t2={4:0}] - UnprovableResult [Line: 1675]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 1675]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 1675]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 1675]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 1675]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 1714]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 1713]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 4 procedures, 185 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 28.2s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 24.8s, 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: 40, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.6s InterpolantComputationTime, 584 NumberOfCodeBlocks, 584 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 491 ConstructedInterpolants, 0 QuantifiedInterpolants, 1203 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2023-05-20 04:14:18,008 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2023-05-20 04:14:18,165 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...