/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.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.cegar.restart.behaviour ONE_CEGAR_PER_ERROR_LOCATION -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/ldv-races/race-2_4-container_of.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-7707f89-m [2022-11-16 05:21:43,576 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 05:21:43,577 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 05:21:43,611 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 05:21:43,611 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 05:21:43,615 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 05:21:43,618 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 05:21:43,621 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 05:21:43,623 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 05:21:43,627 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 05:21:43,628 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 05:21:43,629 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 05:21:43,629 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 05:21:43,631 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 05:21:43,632 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 05:21:43,633 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 05:21:43,634 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 05:21:43,635 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 05:21:43,637 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 05:21:43,641 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 05:21:43,642 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 05:21:43,643 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 05:21:43,645 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 05:21:43,646 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 05:21:43,652 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 05:21:43,652 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 05:21:43,652 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 05:21:43,653 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 05:21:43,654 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 05:21:43,654 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 05:21:43,655 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 05:21:43,655 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 05:21:43,657 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 05:21:43,657 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 05:21:43,658 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 05:21:43,658 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 05:21:43,659 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 05:21:43,659 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 05:21:43,659 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 05:21:43,660 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 05:21:43,660 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 05:21:43,661 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2022-11-16 05:21:43,687 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 05:21:43,688 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 05:21:43,688 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 05:21:43,688 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 05:21:43,695 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 05:21:43,695 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 05:21:43,696 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 05:21:43,696 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 05:21:43,696 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 05:21:43,696 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 05:21:43,697 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-16 05:21:43,697 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 05:21:43,697 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-16 05:21:43,697 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 05:21:43,697 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 05:21:43,698 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 05:21:43,698 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 05:21:43,698 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-16 05:21:43,698 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 05:21:43,698 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 05:21:43,698 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 05:21:43,698 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 05:21:43,698 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 05:21:43,699 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-11-16 05:21:43,699 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 05:21:43,699 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 05:21:43,699 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 05:21:43,699 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 05:21:43,699 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 05:21:43,699 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-16 05:21:43,700 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 05:21:43,700 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-16 05:21:43,700 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-11-16 05:21:43,700 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 05:21:43,700 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-11-16 05:21:43,700 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2022-11-16 05:21:43,700 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_ERROR_LOCATION [2022-11-16 05:21:43,873 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 05:21:43,895 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 05:21:43,897 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 05:21:43,898 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 05:21:43,898 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 05:21:43,899 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-races/race-2_4-container_of.i [2022-11-16 05:21:44,001 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d1517a660/f50a2b4aad114d7bb848352a86943686/FLAGacf532c10 [2022-11-16 05:21:44,466 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 05:21:44,467 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-2_4-container_of.i [2022-11-16 05:21:44,486 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d1517a660/f50a2b4aad114d7bb848352a86943686/FLAGacf532c10 [2022-11-16 05:21:44,748 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d1517a660/f50a2b4aad114d7bb848352a86943686 [2022-11-16 05:21:44,750 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 05:21:44,751 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-11-16 05:21:44,752 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 05:21:44,752 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 05:21:44,755 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 05:21:44,755 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 05:21:44" (1/1) ... [2022-11-16 05:21:44,757 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f8a61a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:21:44, skipping insertion in model container [2022-11-16 05:21:44,758 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 05:21:44" (1/1) ... [2022-11-16 05:21:44,762 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 05:21:44,821 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 05:21:45,019 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-16 05:21:45,391 WARN L233 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] [2022-11-16 05:21:45,430 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 05:21:45,437 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 05:21:45,447 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-16 05:21:45,498 WARN L233 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] [2022-11-16 05:21:45,510 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 05:21:45,609 INFO L208 MainTranslator]: Completed translation [2022-11-16 05:21:45,610 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:21:45 WrapperNode [2022-11-16 05:21:45,610 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 05:21:45,611 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 05:21:45,611 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 05:21:45,611 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 05:21:45,617 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:21:45" (1/1) ... [2022-11-16 05:21:45,643 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:21:45" (1/1) ... [2022-11-16 05:21:45,675 INFO L138 Inliner]: procedures = 469, calls = 63, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 143 [2022-11-16 05:21:45,675 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 05:21:45,676 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 05:21:45,676 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 05:21:45,676 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 05:21:45,682 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:21:45" (1/1) ... [2022-11-16 05:21:45,683 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:21:45" (1/1) ... [2022-11-16 05:21:45,687 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:21:45" (1/1) ... [2022-11-16 05:21:45,687 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:21:45" (1/1) ... [2022-11-16 05:21:45,707 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:21:45" (1/1) ... [2022-11-16 05:21:45,710 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:21:45" (1/1) ... [2022-11-16 05:21:45,719 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:21:45" (1/1) ... [2022-11-16 05:21:45,721 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:21:45" (1/1) ... [2022-11-16 05:21:45,726 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 05:21:45,727 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 05:21:45,727 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 05:21:45,727 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 05:21:45,731 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:21:45" (1/1) ... [2022-11-16 05:21:45,736 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 05:21:45,744 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-16 05:21:45,754 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) [2022-11-16 05:21:45,767 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 [2022-11-16 05:21:45,789 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-16 05:21:45,789 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-16 05:21:45,789 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-16 05:21:45,789 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-16 05:21:45,790 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-16 05:21:45,790 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 05:21:45,790 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-16 05:21:45,790 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 05:21:45,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 05:21:45,790 INFO L130 BoogieDeclarations]: Found specification of procedure my_callback [2022-11-16 05:21:45,790 INFO L138 BoogieDeclarations]: Found implementation of procedure my_callback [2022-11-16 05:21:45,790 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-16 05:21:45,790 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-16 05:21:45,790 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-16 05:21:45,792 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-16 05:21:46,082 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 05:21:46,084 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 05:21:46,362 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 05:21:46,410 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 05:21:46,410 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-16 05:21:46,412 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 05:21:46 BoogieIcfgContainer [2022-11-16 05:21:46,412 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 05:21:46,414 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 05:21:46,414 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 05:21:46,429 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 05:21:46,429 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 05:21:44" (1/3) ... [2022-11-16 05:21:46,430 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ae2152 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 05:21:46, skipping insertion in model container [2022-11-16 05:21:46,440 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:21:45" (2/3) ... [2022-11-16 05:21:46,440 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ae2152 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 05:21:46, skipping insertion in model container [2022-11-16 05:21:46,440 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 05:21:46" (3/3) ... [2022-11-16 05:21:46,442 INFO L112 eAbstractionObserver]: Analyzing ICFG race-2_4-container_of.i [2022-11-16 05:21:46,449 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-16 05:21:46,460 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 05:21:46,461 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2022-11-16 05:21:46,461 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-16 05:21:46,542 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-11-16 05:21:46,586 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 05:21:46,587 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-11-16 05:21:46,587 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-16 05:21:46,590 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) [2022-11-16 05:21:46,591 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 [2022-11-16 05:21:46,619 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-11-16 05:21:46,632 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION ======== [2022-11-16 05:21:46,638 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;@655ac3c4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 05:21:46,638 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-16 05:21:46,680 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 05:21:46,690 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 05:21:46,690 INFO L85 PathProgramCache]: Analyzing trace with hash -955460015, now seen corresponding path program 1 times [2022-11-16 05:21:46,697 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 05:21:46,697 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [728219593] [2022-11-16 05:21:46,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 05:21:46,698 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 05:21:46,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 05:21:47,167 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 05:21:47,167 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 05:21:47,168 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [728219593] [2022-11-16 05:21:47,168 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [728219593] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 05:21:47,168 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 05:21:47,168 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 05:21:47,170 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1635628678] [2022-11-16 05:21:47,170 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 05:21:47,174 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-16 05:21:47,174 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 05:21:47,191 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-16 05:21:47,193 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-16 05:21:47,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 05:21:47,194 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-16 05:21:47,195 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 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) [2022-11-16 05:21:47,195 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 05:21:54,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-16 05:21:54,030 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-16 05:21:54,031 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 05:21:54,031 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 05:21:54,031 INFO L85 PathProgramCache]: Analyzing trace with hash -793558775, now seen corresponding path program 1 times [2022-11-16 05:21:54,031 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 05:21:54,032 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1401800210] [2022-11-16 05:21:54,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 05:21:54,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 05:21:54,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 05:21:54,517 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 05:21:54,517 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 05:21:54,517 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1401800210] [2022-11-16 05:21:54,518 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1401800210] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 05:21:54,518 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 05:21:54,518 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 05:21:54,519 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1713481989] [2022-11-16 05:21:54,519 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 05:21:54,521 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 05:21:54,521 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 05:21:54,521 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 05:21:54,522 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 05:21:54,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 05:21:54,523 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-16 05:21:54,524 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 47.5) internal successors, (95), 3 states have internal predecessors, (95), 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) [2022-11-16 05:21:54,524 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-16 05:21:54,524 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 05:22:00,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-16 05:22:00,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 05:22:00,092 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-16 05:22:00,093 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 05:22:00,093 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 05:22:00,093 INFO L85 PathProgramCache]: Analyzing trace with hash 1807599565, now seen corresponding path program 2 times [2022-11-16 05:22:00,094 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 05:22:00,094 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1835182923] [2022-11-16 05:22:00,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 05:22:00,094 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 05:22:00,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 05:22:01,289 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 05:22:01,289 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 05:22:01,290 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1835182923] [2022-11-16 05:22:01,290 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1835182923] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 05:22:01,290 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 05:22:01,291 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2022-11-16 05:22:01,291 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1145417871] [2022-11-16 05:22:01,291 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 05:22:01,292 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-11-16 05:22:01,293 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 05:22:01,296 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-11-16 05:22:01,297 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=199, Unknown=0, NotChecked=0, Total=240 [2022-11-16 05:22:01,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 05:22:01,300 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-16 05:22:01,300 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 6.333333333333333) internal successors, (95), 16 states have internal predecessors, (95), 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) [2022-11-16 05:22:01,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-16 05:22:01,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-16 05:22:01,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 05:22:12,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-16 05:22:12,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 05:22:12,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-16 05:22:12,731 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-16 05:22:12,732 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 05:22:12,732 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 05:22:12,732 INFO L85 PathProgramCache]: Analyzing trace with hash 2013812143, now seen corresponding path program 3 times [2022-11-16 05:22:12,732 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 05:22:12,732 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1704356841] [2022-11-16 05:22:12,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 05:22:12,733 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 05:22:12,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 05:22:12,810 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 05:22:12,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 05:22:12,915 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 05:22:12,915 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-16 05:22:12,916 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-16 05:22:12,917 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-16 05:22:12,929 INFO L444 BasicCegarLoop]: Path program histogram: [3, 1] [2022-11-16 05:22:12,930 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION was UNSAFE (1/8) [2022-11-16 05:22:12,933 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-16 05:22:12,933 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-16 05:22:13,019 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 05:22:13 BasicIcfg [2022-11-16 05:22:13,020 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-16 05:22:13,020 INFO L158 Benchmark]: Toolchain (without parser) took 28269.24ms. Allocated memory was 251.7MB in the beginning and 302.0MB in the end (delta: 50.3MB). Free memory was 220.6MB in the beginning and 159.5MB in the end (delta: 61.1MB). Peak memory consumption was 111.4MB. Max. memory is 8.0GB. [2022-11-16 05:22:13,020 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 187.7MB. Free memory is still 141.4MB. There was no memory consumed. Max. memory is 8.0GB. [2022-11-16 05:22:13,021 INFO L158 Benchmark]: CACSL2BoogieTranslator took 858.03ms. Allocated memory is still 251.7MB. Free memory was 220.6MB in the beginning and 174.9MB in the end (delta: 45.7MB). Peak memory consumption was 46.1MB. Max. memory is 8.0GB. [2022-11-16 05:22:13,021 INFO L158 Benchmark]: Boogie Procedure Inliner took 64.68ms. Allocated memory is still 251.7MB. Free memory was 174.9MB in the beginning and 171.8MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-11-16 05:22:13,021 INFO L158 Benchmark]: Boogie Preprocessor took 50.64ms. Allocated memory is still 251.7MB. Free memory was 171.8MB in the beginning and 169.2MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-11-16 05:22:13,022 INFO L158 Benchmark]: RCFGBuilder took 685.24ms. Allocated memory is still 251.7MB. Free memory was 168.6MB in the beginning and 141.4MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 8.0GB. [2022-11-16 05:22:13,022 INFO L158 Benchmark]: TraceAbstraction took 26605.58ms. Allocated memory was 251.7MB in the beginning and 302.0MB in the end (delta: 50.3MB). Free memory was 140.9MB in the beginning and 159.5MB in the end (delta: -18.7MB). Peak memory consumption was 33.2MB. Max. memory is 8.0GB. [2022-11-16 05:22:13,024 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 187.7MB. Free memory is still 141.4MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 858.03ms. Allocated memory is still 251.7MB. Free memory was 220.6MB in the beginning and 174.9MB in the end (delta: 45.7MB). Peak memory consumption was 46.1MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 64.68ms. Allocated memory is still 251.7MB. Free memory was 174.9MB in the beginning and 171.8MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 50.64ms. Allocated memory is still 251.7MB. Free memory was 171.8MB in the beginning and 169.2MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 685.24ms. Allocated memory is still 251.7MB. Free memory was 168.6MB in the beginning and 141.4MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 8.0GB. * TraceAbstraction took 26605.58ms. Allocated memory was 251.7MB in the beginning and 302.0MB in the end (delta: 50.3MB). Free memory was 140.9MB in the beginning and 159.5MB in the end (delta: -18.7MB). Peak memory consumption was 33.2MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 2051, independent: 2008, independent conditional: 244, independent unconditional: 1764, dependent: 22, dependent conditional: 6, dependent unconditional: 16, unknown: 21, unknown conditional: 7, unknown unconditional: 14] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2047, independent: 2008, independent conditional: 244, independent unconditional: 1764, dependent: 18, dependent conditional: 2, dependent unconditional: 16, unknown: 21, unknown conditional: 7, unknown unconditional: 14] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 2047, independent: 2008, independent conditional: 244, independent unconditional: 1764, dependent: 18, dependent conditional: 2, dependent unconditional: 16, unknown: 21, unknown conditional: 7, unknown unconditional: 14] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2061, independent: 2008, independent conditional: 2, independent unconditional: 2006, dependent: 23, dependent conditional: 3, dependent unconditional: 20, unknown: 30, unknown conditional: 9, unknown unconditional: 21] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2061, independent: 2008, independent conditional: 2, independent unconditional: 2006, dependent: 23, dependent conditional: 3, dependent unconditional: 20, unknown: 30, unknown conditional: 8, unknown unconditional: 22] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2061, independent: 2008, independent conditional: 2, independent unconditional: 2006, dependent: 23, dependent conditional: 3, dependent unconditional: 20, unknown: 30, unknown conditional: 8, unknown unconditional: 22] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1806, independent: 1766, independent conditional: 2, independent unconditional: 1764, dependent: 19, dependent conditional: 3, dependent unconditional: 16, unknown: 21, unknown conditional: 7, unknown unconditional: 14] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1806, independent: 1762, independent conditional: 0, independent unconditional: 1762, dependent: 44, dependent conditional: 0, dependent unconditional: 44, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 44, independent: 4, independent conditional: 2, independent unconditional: 2, dependent: 19, dependent conditional: 3, dependent unconditional: 16, unknown: 21, unknown conditional: 7, unknown unconditional: 14] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 44, independent: 4, independent conditional: 2, independent unconditional: 2, dependent: 19, dependent conditional: 3, dependent unconditional: 16, unknown: 21, unknown conditional: 7, unknown unconditional: 14] , SemanticIndependenceRelation.Query Time [ms]: [ total: 22940, independent: 42, independent conditional: 8, independent unconditional: 34, dependent: 339, dependent conditional: 46, dependent unconditional: 293, unknown: 22558, unknown conditional: 7558, unknown unconditional: 15000] , Protected Queries: 0 ], Cache Queries: [ total: 2061, independent: 242, independent conditional: 0, independent unconditional: 242, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 1815, unknown conditional: 13, unknown unconditional: 1802] , Statistics on independence cache: Total cache size (in pairs): 1785, Positive cache size: 1766, Positive conditional cache size: 2, Positive unconditional cache size: 1764, Negative cache size: 19, Negative conditional cache size: 3, Negative unconditional cache size: 16, Unknown cache size: 21, Unknown conditional cache size: 7, Unknown unconditional cache size: 14, Eliminated conditions: 1, Maximal queried relation: 2, Independence queries for same thread: 4 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 15.4s, Number of persistent set computation: 205, Number of trivial persistent sets: 205, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1794, independent: 1764, independent conditional: 0, independent unconditional: 1764, dependent: 16, dependent conditional: 0, dependent unconditional: 16, unknown: 14, unknown conditional: 0, unknown unconditional: 14] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 2051, independent: 2008, independent conditional: 244, independent unconditional: 1764, dependent: 22, dependent conditional: 6, dependent unconditional: 16, unknown: 21, unknown conditional: 7, unknown unconditional: 14] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2047, independent: 2008, independent conditional: 244, independent unconditional: 1764, dependent: 18, dependent conditional: 2, dependent unconditional: 16, unknown: 21, unknown conditional: 7, unknown unconditional: 14] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 2047, independent: 2008, independent conditional: 244, independent unconditional: 1764, dependent: 18, dependent conditional: 2, dependent unconditional: 16, unknown: 21, unknown conditional: 7, unknown unconditional: 14] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2061, independent: 2008, independent conditional: 2, independent unconditional: 2006, dependent: 23, dependent conditional: 3, dependent unconditional: 20, unknown: 30, unknown conditional: 9, unknown unconditional: 21] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2061, independent: 2008, independent conditional: 2, independent unconditional: 2006, dependent: 23, dependent conditional: 3, dependent unconditional: 20, unknown: 30, unknown conditional: 8, unknown unconditional: 22] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2061, independent: 2008, independent conditional: 2, independent unconditional: 2006, dependent: 23, dependent conditional: 3, dependent unconditional: 20, unknown: 30, unknown conditional: 8, unknown unconditional: 22] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1806, independent: 1766, independent conditional: 2, independent unconditional: 1764, dependent: 19, dependent conditional: 3, dependent unconditional: 16, unknown: 21, unknown conditional: 7, unknown unconditional: 14] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1806, independent: 1762, independent conditional: 0, independent unconditional: 1762, dependent: 44, dependent conditional: 0, dependent unconditional: 44, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 44, independent: 4, independent conditional: 2, independent unconditional: 2, dependent: 19, dependent conditional: 3, dependent unconditional: 16, unknown: 21, unknown conditional: 7, unknown unconditional: 14] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 44, independent: 4, independent conditional: 2, independent unconditional: 2, dependent: 19, dependent conditional: 3, dependent unconditional: 16, unknown: 21, unknown conditional: 7, unknown unconditional: 14] , SemanticIndependenceRelation.Query Time [ms]: [ total: 22940, independent: 42, independent conditional: 8, independent unconditional: 34, dependent: 339, dependent conditional: 46, dependent unconditional: 293, unknown: 22558, unknown conditional: 7558, unknown unconditional: 15000] , Protected Queries: 0 ], Cache Queries: [ total: 2061, independent: 242, independent conditional: 0, independent unconditional: 242, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 1815, unknown conditional: 13, unknown unconditional: 1802] , Statistics on independence cache: Total cache size (in pairs): 1785, Positive cache size: 1766, Positive conditional cache size: 2, Positive unconditional cache size: 1764, Negative cache size: 19, Negative conditional cache size: 3, Negative unconditional cache size: 16, Unknown cache size: 21, Unknown conditional cache size: 7, Unknown unconditional cache size: 14, Eliminated conditions: 1, Maximal queried relation: 2, Independence queries for same thread: 4 - 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={6:0}, 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={6:24}, data={6:0}, data={6:0}, t1={3:0}, t2={4:0}] [L1708] 0 data->shared.a = 0 VAL [d={6:24}, data={6:0}, data={6:0}, t1={3:0}, t2={4:0}] [L1709] 0 data->shared.b = 0 VAL [d={6:24}, data={6:0}, data={6:0}, t1={3:0}, t2={4:0}] [L1710] 0 int res = __VERIFIER_nondet_int(); VAL [__VERIFIER_nondet_int()=0, d={6:24}, data={6:0}, data={6:0}, res=0, t1={3:0}, t2={4:0}] [L1711] COND FALSE 0 !(\read(res)) VAL [d={6:24}, data={6:0}, data={6:0}, res=0, t1={3:0}, t2={4:0}] [L1713] FCALL, FORK 0 pthread_create(&t1, ((void *)0), my_callback, (void *)d) VAL [arg={6:24}, d={6:24}, data={6:0}, data={6:0}, pthread_create(&t1, ((void *)0), my_callback, (void *)d)=-1, res=0, t1={3:0}, t2={4:0}] [L1689] 1 struct device *dev = (struct device*)arg; VAL [arg={6:24}, arg={6:24}, dev={6:24}, t1={3:0}, t2={4:0}] [L1690] 1 struct my_data *data; VAL [arg={6:24}, arg={6:24}, dev={6:24}, t1={3:0}, t2={4:0}] [L1691] 1 const typeof( ((struct my_data *)0)->dev ) *__mptr = (dev); VAL [__mptr={6:24}, arg={6:24}, arg={6:24}, dev={6:24}, 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={6:24}, arg={6:24}, arg={6:24}, data={6:0}, dev={6:24}, t1={3:0}, t2={4:0}] [L1694] 1 data->shared.a = 1 VAL [__mptr={6:24}, arg={6:24}, arg={6:24}, data={6:0}, dev={6:24}, t1={3:0}, t2={4:0}] [L1697] EXPR 1 data->shared.b [L1697] 1 int lb = data->shared.b; [L1700] 1 data->shared.b = lb + 1 VAL [__mptr={6:24}, arg={6:24}, arg={6:24}, data={6:0}, dev={6:24}, lb=0, t1={3:0}, t2={4:0}] [L1703] 1 return 0; VAL [\result={0:0}, __mptr={6:24}, arg={6:24}, arg={6:24}, data={6:0}, dev={6:24}, lb=0, t1={3:0}, t2={4:0}] [L1714] FCALL, FORK 0 pthread_create(&t2, ((void *)0), my_callback, (void *)d) VAL [\result={0:0}, __mptr={6:24}, arg={6:24}, arg={6:24}, d={6:24}, data={6:0}, data={6:0}, data={6:0}, dev={6:24}, lb=0, pthread_create(&t2, ((void *)0), my_callback, (void *)d)=0, res=0, t1={3:0}, t2={4:0}] [L1689] 2 struct device *dev = (struct device*)arg; VAL [\result={0:0}, __mptr={6:24}, arg={6:24}, arg={6:24}, data={6:0}, dev={6:24}, lb=0, t1={3:0}, t2={4:0}] [L1690] 2 struct my_data *data; VAL [\result={0:0}, __mptr={6:24}, arg={6:24}, arg={6:24}, data={6:0}, dev={6:24}, lb=0, t1={3:0}, t2={4:0}] [L1691] 2 const typeof( ((struct my_data *)0)->dev ) *__mptr = (dev); VAL [\result={0:0}, __mptr={6:24}, arg={6:24}, arg={6:24}, data={6:0}, dev={6:24}, lb=0, 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 [\result={0:0}, __mptr={6:24}, arg={6:24}, arg={6:24}, data={6:0}, dev={6:24}, lb=0, t1={3:0}, t2={4:0}] [L1715] 0 return 0; VAL [\result={0:0}, \result=0, __mptr={6:24}, arg={6:24}, arg={6:24}, d={6:24}, data={6:0}, data={6:0}, data={6:0}, dev={6:24}, lb=0, 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 [\result={0:0}, __mptr={6:24}, arg={6:24}, arg={6:24}, data={6:0}, data={6:0}, dev={6:24}, lb=0, my_drv_probe(&data)=0, probe_ret=0, ret=0, t1={3:0}, t2={4:0}] [L1750] COND TRUE 0 probe_ret==0 VAL [\result={0:0}, __mptr={6:24}, arg={6:24}, arg={6:24}, data={6:0}, data={6:0}, dev={6:24}, lb=0, probe_ret=0, ret=0, t1={3:0}, t2={4:0}] [L1751] CALL 0 my_drv_disconnect(&data) [L1721] 0 void *status; VAL [\result={0:0}, __mptr={6:24}, arg={6:24}, arg={6:24}, data={6:0}, data={6:0}, data={6:0}, dev={6:24}, lb=0, status={5:0}, t1={3:0}, t2={4:0}] [L1723] 0 data->shared.a = 3 VAL [\result={0:0}, __mptr={6:24}, arg={6:24}, arg={6:24}, data={6:0}, data={6:0}, data={6:0}, dev={6:24}, lb=0, status={5:0}, t1={3:0}, t2={4:0}] [L1694] 2 data->shared.a = 1 VAL [\result={0:0}, __mptr={6:24}, arg={6:24}, arg={6:24}, data={6:0}, dev={6:24}, lb=0, t1={3:0}, t2={4:0}] [L1697] EXPR 2 data->shared.b [L1697] 2 int lb = data->shared.b; [L1700] 2 data->shared.b = lb + 1 VAL [\result={0:0}, __mptr={6:24}, arg={6:24}, arg={6:24}, data={6:0}, dev={6:24}, lb=0, t1={3:0}, t2={4:0}] [L1703] 2 return 0; VAL [\result={0:0}, __mptr={6:24}, arg={6:24}, arg={6:24}, data={6:0}, dev={6:24}, lb=0, t1={3:0}, t2={4:0}] [L1726] 0 data->shared.b = 3 VAL [\result={0:0}, __mptr={6:24}, arg={6:24}, arg={6:24}, data={6:0}, data={6:0}, data={6:0}, dev={6:24}, lb=0, status={5:0}, t1={3:0}, t2={4:0}] [L1729] EXPR 0 data->shared.a [L1729] CALL 0 ldv_assert(data->shared.a==3) [L1675] COND TRUE 0 !expression [L1675] 0 reach_error() VAL [\old(expression)=0, \result={0:0}, __mptr={6:24}, arg={6:24}, arg={6:24}, data={6:0}, dev={6:24}, expression=0, lb=0, t1={3:0}, t2={4:0}] - StatisticsResult: Ultimate Automizer benchmark data for error location: ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION with 1 thread instances CFG has 4 procedures, 185 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 26.3s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 3, EmptinessCheckTime: 23.9s, 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: 23, 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, 0.2s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 342 NumberOfCodeBlocks, 342 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 244 ConstructedInterpolants, 0 QuantifiedInterpolants, 893 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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! [2022-11-16 05:22:13,096 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 [2022-11-16 05:22:13,240 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...