/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/goblint-regression/28-race_reach_94-alloc_region_racing.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.orders-32214ab [2023-05-20 04:41:53,119 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-05-20 04:41:53,121 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-05-20 04:41:53,155 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-05-20 04:41:53,155 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-05-20 04:41:53,158 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-05-20 04:41:53,159 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-05-20 04:41:53,163 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-05-20 04:41:53,164 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-05-20 04:41:53,168 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-05-20 04:41:53,168 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-05-20 04:41:53,170 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-05-20 04:41:53,170 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-05-20 04:41:53,171 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-05-20 04:41:53,173 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-05-20 04:41:53,173 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-05-20 04:41:53,174 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-05-20 04:41:53,174 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-05-20 04:41:53,176 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-05-20 04:41:53,180 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-05-20 04:41:53,181 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-05-20 04:41:53,182 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-05-20 04:41:53,183 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-05-20 04:41:53,183 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-05-20 04:41:53,187 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-05-20 04:41:53,188 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-05-20 04:41:53,188 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-05-20 04:41:53,190 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-05-20 04:41:53,190 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-05-20 04:41:53,191 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-05-20 04:41:53,191 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-05-20 04:41:53,192 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-05-20 04:41:53,193 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-05-20 04:41:53,194 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-05-20 04:41:53,195 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-05-20 04:41:53,195 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-05-20 04:41:53,195 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-05-20 04:41:53,195 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-05-20 04:41:53,195 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-05-20 04:41:53,196 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-05-20 04:41:53,197 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-05-20 04:41:53,198 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2023-05-20 04:41:53,225 INFO L113 SettingsManager]: Loading preferences was successful [2023-05-20 04:41:53,226 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-05-20 04:41:53,226 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-05-20 04:41:53,226 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-05-20 04:41:53,227 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-05-20 04:41:53,227 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-05-20 04:41:53,227 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-05-20 04:41:53,228 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-05-20 04:41:53,228 INFO L138 SettingsManager]: * Use SBE=true [2023-05-20 04:41:53,228 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-05-20 04:41:53,228 INFO L138 SettingsManager]: * sizeof long=4 [2023-05-20 04:41:53,229 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-05-20 04:41:53,229 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-05-20 04:41:53,229 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-05-20 04:41:53,229 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-05-20 04:41:53,229 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-05-20 04:41:53,229 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-05-20 04:41:53,229 INFO L138 SettingsManager]: * sizeof long double=12 [2023-05-20 04:41:53,229 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-05-20 04:41:53,229 INFO L138 SettingsManager]: * Use constant arrays=true [2023-05-20 04:41:53,230 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-05-20 04:41:53,230 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-05-20 04:41:53,230 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-05-20 04:41:53,231 INFO L138 SettingsManager]: * To the following directory=./dump/ [2023-05-20 04:41:53,231 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-05-20 04:41:53,231 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-20 04:41:53,231 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-05-20 04:41:53,231 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-05-20 04:41:53,232 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-05-20 04:41:53,232 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-05-20 04:41:53,232 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-05-20 04:41:53,232 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-05-20 04:41:53,232 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-05-20 04:41:53,232 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-05-20 04:41:53,232 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-05-20 04:41:53,232 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-05-20 04:41:53,233 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_THREAD_INSTANCE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Maximal amount of steps the threads are allowed to take successively -> 1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Enable heuristic with loops as step type -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Considered threads and their maximal amount of steps -> 3,2 1,1 2,2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Defines what statements are considered a step in POR -> GLOBAL_READ_WRITE [2023-05-20 04:41:53,439 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-05-20 04:41:53,465 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-05-20 04:41:53,467 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-05-20 04:41:53,468 INFO L271 PluginConnector]: Initializing CDTParser... [2023-05-20 04:41:53,470 INFO L275 PluginConnector]: CDTParser initialized [2023-05-20 04:41:53,473 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/28-race_reach_94-alloc_region_racing.i [2023-05-20 04:41:53,520 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8fb6145ed/48737de0c08c4ce4a7cb633fb06df4c3/FLAG98cd8a1c0 [2023-05-20 04:41:53,924 INFO L306 CDTParser]: Found 1 translation units. [2023-05-20 04:41:53,924 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_94-alloc_region_racing.i [2023-05-20 04:41:53,951 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8fb6145ed/48737de0c08c4ce4a7cb633fb06df4c3/FLAG98cd8a1c0 [2023-05-20 04:41:54,246 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8fb6145ed/48737de0c08c4ce4a7cb633fb06df4c3 [2023-05-20 04:41:54,248 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-05-20 04:41:54,249 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2023-05-20 04:41:54,250 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-05-20 04:41:54,250 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-05-20 04:41:54,253 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-05-20 04:41:54,253 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.05 04:41:54" (1/1) ... [2023-05-20 04:41:54,254 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3807c968 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 04:41:54, skipping insertion in model container [2023-05-20 04:41:54,254 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.05 04:41:54" (1/1) ... [2023-05-20 04:41:54,258 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-05-20 04:41:54,299 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-05-20 04:41:54,803 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_94-alloc_region_racing.i[58135,58148] [2023-05-20 04:41:54,835 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-20 04:41:54,846 INFO L203 MainTranslator]: Completed pre-run [2023-05-20 04:41:54,877 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_94-alloc_region_racing.i[58135,58148] [2023-05-20 04:41:54,898 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-20 04:41:54,963 INFO L208 MainTranslator]: Completed translation [2023-05-20 04:41:54,963 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 04:41:54 WrapperNode [2023-05-20 04:41:54,964 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-05-20 04:41:54,965 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-05-20 04:41:54,965 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-05-20 04:41:54,965 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-05-20 04:41:54,970 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 04:41:54" (1/1) ... [2023-05-20 04:41:54,986 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 04:41:54" (1/1) ... [2023-05-20 04:41:55,022 INFO L138 Inliner]: procedures = 377, calls = 72, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 236 [2023-05-20 04:41:55,023 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-05-20 04:41:55,024 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-05-20 04:41:55,024 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-05-20 04:41:55,024 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-05-20 04:41:55,031 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 04:41:54" (1/1) ... [2023-05-20 04:41:55,031 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 04:41:54" (1/1) ... [2023-05-20 04:41:55,036 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 04:41:54" (1/1) ... [2023-05-20 04:41:55,036 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 04:41:54" (1/1) ... [2023-05-20 04:41:55,043 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 04:41:54" (1/1) ... [2023-05-20 04:41:55,051 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 04:41:54" (1/1) ... [2023-05-20 04:41:55,053 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 04:41:54" (1/1) ... [2023-05-20 04:41:55,054 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 04:41:54" (1/1) ... [2023-05-20 04:41:55,056 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-05-20 04:41:55,057 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-05-20 04:41:55,057 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-05-20 04:41:55,057 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-05-20 04:41:55,058 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 04:41:54" (1/1) ... [2023-05-20 04:41:55,065 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-20 04:41:55,074 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 04:41:55,089 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 04:41:55,091 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 04:41:55,114 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-05-20 04:41:55,114 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-05-20 04:41:55,114 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-05-20 04:41:55,114 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-05-20 04:41:55,114 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-05-20 04:41:55,114 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-05-20 04:41:55,114 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-05-20 04:41:55,115 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-05-20 04:41:55,115 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-05-20 04:41:55,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-05-20 04:41:55,115 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2023-05-20 04:41:55,115 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2023-05-20 04:41:55,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-05-20 04:41:55,115 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-05-20 04:41:55,115 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-05-20 04:41:55,116 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 04:41:55,260 INFO L235 CfgBuilder]: Building ICFG [2023-05-20 04:41:55,262 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-05-20 04:41:55,558 INFO L276 CfgBuilder]: Performing block encoding [2023-05-20 04:41:55,565 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-05-20 04:41:55,565 INFO L300 CfgBuilder]: Removed 23 assume(true) statements. [2023-05-20 04:41:55,567 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.05 04:41:55 BoogieIcfgContainer [2023-05-20 04:41:55,567 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-05-20 04:41:55,569 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-05-20 04:41:55,569 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-05-20 04:41:55,573 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-05-20 04:41:55,573 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.05 04:41:54" (1/3) ... [2023-05-20 04:41:55,573 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a7f9621 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.05 04:41:55, skipping insertion in model container [2023-05-20 04:41:55,574 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 04:41:54" (2/3) ... [2023-05-20 04:41:55,574 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a7f9621 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.05 04:41:55, skipping insertion in model container [2023-05-20 04:41:55,574 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.05 04:41:55" (3/3) ... [2023-05-20 04:41:55,575 INFO L112 eAbstractionObserver]: Analyzing ICFG 28-race_reach_94-alloc_region_racing.i [2023-05-20 04:41:55,580 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-05-20 04:41:55,588 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-05-20 04:41:55,589 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-05-20 04:41:55,589 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-05-20 04:41:55,663 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2023-05-20 04:41:55,724 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-20 04:41:55,725 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-05-20 04:41:55,725 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 04:41:55,729 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 04:41:55,739 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 04:41:55,778 INFO L162 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-05-20 04:41:55,802 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == t_funThread1of1ForFork0 ======== [2023-05-20 04:41:55,806 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;@736db556, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-20 04:41:55,807 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-05-20 04:42:11,463 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-05-20 04:42:11,467 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 04:42:11,467 INFO L85 PathProgramCache]: Analyzing trace with hash -1300982103, now seen corresponding path program 1 times [2023-05-20 04:42:11,473 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 04:42:11,474 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [66825147] [2023-05-20 04:42:11,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 04:42:11,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 04:42:11,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 04:42:12,009 INFO L134 CoverageAnalysis]: Checked inductivity of 1107 backedges. 218 proven. 0 refuted. 0 times theorem prover too weak. 889 trivial. 0 not checked. [2023-05-20 04:42:12,010 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 04:42:12,010 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [66825147] [2023-05-20 04:42:12,010 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [66825147] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 04:42:12,010 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-20 04:42:12,010 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-05-20 04:42:12,011 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [858817618] [2023-05-20 04:42:12,012 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 04:42:12,019 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-05-20 04:42:12,020 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 04:42:12,035 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-05-20 04:42:12,036 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-05-20 04:42:12,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 04:42:12,037 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 04:42:12,038 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 110.5) internal successors, (221), 2 states have internal predecessors, (221), 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 04:42:12,038 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 04:42:31,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 04:42:31,619 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-05-20 04:42:31,619 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-05-20 04:42:31,620 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 04:42:31,620 INFO L85 PathProgramCache]: Analyzing trace with hash 1732589379, now seen corresponding path program 1 times [2023-05-20 04:42:31,620 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 04:42:31,620 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1031670584] [2023-05-20 04:42:31,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 04:42:31,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 04:42:31,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-05-20 04:42:31,692 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-05-20 04:42:31,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-05-20 04:42:31,784 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-05-20 04:42:31,784 INFO L359 BasicCegarLoop]: Counterexample is feasible [2023-05-20 04:42:31,785 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-05-20 04:42:31,787 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-05-20 04:42:31,796 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1] [2023-05-20 04:42:31,798 INFO L307 ceAbstractionStarter]: Result for error location t_funThread1of1ForFork0 was UNSAFE (1/2) [2023-05-20 04:42:31,801 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-05-20 04:42:31,801 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-05-20 04:42:31,856 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.05 04:42:31 BasicIcfg [2023-05-20 04:42:31,856 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-05-20 04:42:31,857 INFO L158 Benchmark]: Toolchain (without parser) took 37607.93ms. Allocated memory was 232.8MB in the beginning and 280.0MB in the end (delta: 47.2MB). Free memory was 206.8MB in the beginning and 105.7MB in the end (delta: 101.1MB). Peak memory consumption was 148.3MB. Max. memory is 8.0GB. [2023-05-20 04:42:31,857 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 232.8MB. Free memory was 192.9MB in the beginning and 192.8MB in the end (delta: 132.8kB). There was no memory consumed. Max. memory is 8.0GB. [2023-05-20 04:42:31,858 INFO L158 Benchmark]: CACSL2BoogieTranslator took 714.10ms. Allocated memory was 232.8MB in the beginning and 280.0MB in the end (delta: 47.2MB). Free memory was 206.5MB in the beginning and 224.7MB in the end (delta: -18.3MB). Peak memory consumption was 31.1MB. Max. memory is 8.0GB. [2023-05-20 04:42:31,858 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.38ms. Allocated memory is still 280.0MB. Free memory was 224.5MB in the beginning and 221.3MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-05-20 04:42:31,858 INFO L158 Benchmark]: Boogie Preprocessor took 32.50ms. Allocated memory is still 280.0MB. Free memory was 221.3MB in the beginning and 218.8MB in the end (delta: 2.5MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-05-20 04:42:31,858 INFO L158 Benchmark]: RCFGBuilder took 509.93ms. Allocated memory is still 280.0MB. Free memory was 218.8MB in the beginning and 194.3MB in the end (delta: 24.5MB). Peak memory consumption was 24.1MB. Max. memory is 8.0GB. [2023-05-20 04:42:31,859 INFO L158 Benchmark]: TraceAbstraction took 36287.23ms. Allocated memory is still 280.0MB. Free memory was 193.3MB in the beginning and 105.7MB in the end (delta: 87.6MB). Peak memory consumption was 88.9MB. Max. memory is 8.0GB. [2023-05-20 04:42:31,860 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 232.8MB. Free memory was 192.9MB in the beginning and 192.8MB in the end (delta: 132.8kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 714.10ms. Allocated memory was 232.8MB in the beginning and 280.0MB in the end (delta: 47.2MB). Free memory was 206.5MB in the beginning and 224.7MB in the end (delta: -18.3MB). Peak memory consumption was 31.1MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 58.38ms. Allocated memory is still 280.0MB. Free memory was 224.5MB in the beginning and 221.3MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 32.50ms. Allocated memory is still 280.0MB. Free memory was 221.3MB in the beginning and 218.8MB in the end (delta: 2.5MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 509.93ms. Allocated memory is still 280.0MB. Free memory was 218.8MB in the beginning and 194.3MB in the end (delta: 24.5MB). Peak memory consumption was 24.1MB. Max. memory is 8.0GB. * TraceAbstraction took 36287.23ms. Allocated memory is still 280.0MB. Free memory was 193.3MB in the beginning and 105.7MB in the end (delta: 87.6MB). Peak memory consumption was 88.9MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 27543, independent: 25890, independent conditional: 2268, independent unconditional: 23622, dependent: 1605, dependent conditional: 1467, dependent unconditional: 138, unknown: 48, unknown conditional: 16, unknown unconditional: 32] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 26144, independent: 25890, independent conditional: 2268, independent unconditional: 23622, dependent: 206, dependent conditional: 68, dependent unconditional: 138, unknown: 48, unknown conditional: 16, unknown unconditional: 32] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 26144, independent: 25890, independent conditional: 2268, independent unconditional: 23622, dependent: 206, dependent conditional: 68, dependent unconditional: 138, unknown: 48, unknown conditional: 16, unknown unconditional: 32] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 26211, independent: 25890, independent conditional: 0, independent unconditional: 25890, dependent: 259, dependent conditional: 53, dependent unconditional: 206, unknown: 62, unknown conditional: 14, unknown unconditional: 48] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 26211, independent: 25890, independent conditional: 0, independent unconditional: 25890, dependent: 259, dependent conditional: 0, dependent unconditional: 259, unknown: 62, unknown conditional: 0, unknown unconditional: 62] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 26211, independent: 25890, independent conditional: 0, independent unconditional: 25890, dependent: 259, dependent conditional: 0, dependent unconditional: 259, unknown: 62, unknown conditional: 0, unknown unconditional: 62] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 13182, independent: 13012, independent conditional: 0, independent unconditional: 13012, dependent: 138, dependent conditional: 0, dependent unconditional: 138, unknown: 32, unknown conditional: 0, unknown unconditional: 32] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 13182, independent: 12944, independent conditional: 0, independent unconditional: 12944, dependent: 238, dependent conditional: 0, dependent unconditional: 238, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 238, independent: 68, independent conditional: 0, independent unconditional: 68, dependent: 138, dependent conditional: 0, dependent unconditional: 138, unknown: 32, unknown conditional: 0, unknown unconditional: 32] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 238, independent: 68, independent conditional: 0, independent unconditional: 68, dependent: 138, dependent conditional: 0, dependent unconditional: 138, unknown: 32, unknown conditional: 0, unknown unconditional: 32] , SemanticIndependenceRelation.Query Time [ms]: [ total: 34839, independent: 185, independent conditional: 0, independent unconditional: 185, dependent: 765, dependent conditional: 0, dependent unconditional: 765, unknown: 33888, unknown conditional: 0, unknown unconditional: 33888] , Protected Queries: 0 ], Cache Queries: [ total: 26211, independent: 12878, independent conditional: 0, independent unconditional: 12878, dependent: 121, dependent conditional: 0, dependent unconditional: 121, unknown: 13212, unknown conditional: 0, unknown unconditional: 13212] , Statistics on independence cache: Total cache size (in pairs): 13150, Positive cache size: 13012, Positive conditional cache size: 0, Positive unconditional cache size: 13012, Negative cache size: 138, Negative conditional cache size: 0, Negative unconditional cache size: 138, Unknown cache size: 32, Unknown conditional cache size: 0, Unknown unconditional cache size: 32, Eliminated conditions: 67, Maximal queried relation: 1, Independence queries for same thread: 1399 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 35.0s, Number of persistent set computation: 1168, Number of trivial persistent sets: 803, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 23792, independent: 23622, independent conditional: 0, independent unconditional: 23622, dependent: 138, dependent conditional: 0, dependent unconditional: 138, unknown: 32, unknown conditional: 0, unknown unconditional: 32] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 27543, independent: 25890, independent conditional: 2268, independent unconditional: 23622, dependent: 1605, dependent conditional: 1467, dependent unconditional: 138, unknown: 48, unknown conditional: 16, unknown unconditional: 32] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 26144, independent: 25890, independent conditional: 2268, independent unconditional: 23622, dependent: 206, dependent conditional: 68, dependent unconditional: 138, unknown: 48, unknown conditional: 16, unknown unconditional: 32] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 26144, independent: 25890, independent conditional: 2268, independent unconditional: 23622, dependent: 206, dependent conditional: 68, dependent unconditional: 138, unknown: 48, unknown conditional: 16, unknown unconditional: 32] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 26211, independent: 25890, independent conditional: 0, independent unconditional: 25890, dependent: 259, dependent conditional: 53, dependent unconditional: 206, unknown: 62, unknown conditional: 14, unknown unconditional: 48] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 26211, independent: 25890, independent conditional: 0, independent unconditional: 25890, dependent: 259, dependent conditional: 0, dependent unconditional: 259, unknown: 62, unknown conditional: 0, unknown unconditional: 62] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 26211, independent: 25890, independent conditional: 0, independent unconditional: 25890, dependent: 259, dependent conditional: 0, dependent unconditional: 259, unknown: 62, unknown conditional: 0, unknown unconditional: 62] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 13182, independent: 13012, independent conditional: 0, independent unconditional: 13012, dependent: 138, dependent conditional: 0, dependent unconditional: 138, unknown: 32, unknown conditional: 0, unknown unconditional: 32] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 13182, independent: 12944, independent conditional: 0, independent unconditional: 12944, dependent: 238, dependent conditional: 0, dependent unconditional: 238, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 238, independent: 68, independent conditional: 0, independent unconditional: 68, dependent: 138, dependent conditional: 0, dependent unconditional: 138, unknown: 32, unknown conditional: 0, unknown unconditional: 32] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 238, independent: 68, independent conditional: 0, independent unconditional: 68, dependent: 138, dependent conditional: 0, dependent unconditional: 138, unknown: 32, unknown conditional: 0, unknown unconditional: 32] , SemanticIndependenceRelation.Query Time [ms]: [ total: 34839, independent: 185, independent conditional: 0, independent unconditional: 185, dependent: 765, dependent conditional: 0, dependent unconditional: 765, unknown: 33888, unknown conditional: 0, unknown unconditional: 33888] , Protected Queries: 0 ], Cache Queries: [ total: 26211, independent: 12878, independent conditional: 0, independent unconditional: 12878, dependent: 121, dependent conditional: 0, dependent unconditional: 121, unknown: 13212, unknown conditional: 0, unknown unconditional: 13212] , Statistics on independence cache: Total cache size (in pairs): 13150, Positive cache size: 13012, Positive conditional cache size: 0, Positive unconditional cache size: 13012, Negative cache size: 138, Negative conditional cache size: 0, Negative unconditional cache size: 138, Unknown cache size: 32, Unknown conditional cache size: 0, Unknown unconditional cache size: 32, Eliminated conditions: 67, Maximal queried relation: 1, Independence queries for same thread: 1399 - CounterExampleResult [Line: 1235]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L1241-L1244] 0 struct s { int datum; struct s *next; } *A; VAL [A={3:0}] [L1240] 0 pthread_mutex_t __global_lock = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; VAL [__global_lock={4:0}, A={3:0}] [L1253] 0 pthread_mutex_t A_mutex = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; VAL [__global_lock={4:0}, A={3:0}, A_mutex={5:0}] [L1254] 0 pthread_mutex_t B_mutex = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; VAL [__global_lock={4:0}, A={3:0}, A_mutex={5:0}, B_mutex={6:0}] [L1267] 0 struct s *p; VAL [__global_lock={4:0}, A={3:0}, A_mutex={5:0}, B_mutex={6:0}] [L1268] 0 A = malloc(sizeof(struct s)) VAL [__global_lock={4:0}, A={3:0}, A_mutex={5:0}, B_mutex={6:0}, malloc(sizeof(struct s))={9:0}] [L1269] EXPR 0 \read(*A) VAL [\read(*A)={9:0}, __global_lock={4:0}, A={3:0}, A_mutex={5:0}, B_mutex={6:0}] [L1269] CALL 0 init(A,3) [L1246] 0 p -> datum = x VAL [\old(x)=3, __global_lock={4:0}, A={3:0}, A_mutex={5:0}, B_mutex={6:0}, p={9:0}, p={9:0}, x=3] [L1247] 0 p -> next = ((void *)0) VAL [\old(x)=3, __global_lock={4:0}, A={3:0}, A_mutex={5:0}, B_mutex={6:0}, p={9:0}, p={9:0}, x=3] [L1269] RET 0 init(A,3) [L1270] 0 pthread_t t_ids[10000]; VAL [__global_lock={4:0}, A={3:0}, A_mutex={5:0}, B_mutex={6:0}, t_ids={15:0}] [L1270] 0 int i=0; VAL [__global_lock={4:0}, A={3:0}, A_mutex={5:0}, B_mutex={6:0}, i=0, t_ids={15:0}] [L1270] COND TRUE 0 i<10000 VAL [__global_lock={4:0}, A={3:0}, A_mutex={5:0}, B_mutex={6:0}, i=0, t_ids={15:0}] [L1270] FCALL, FORK 0 pthread_create(&t_ids[i], ((void *)0), t_fun, ((void *)0)) VAL [__global_lock={4:0}, A={3:0}, A_mutex={5:0}, B_mutex={6:0}, i=0, pthread_create(&t_ids[i], ((void *)0), t_fun, ((void *)0))=-1, t_ids={15:0}] [L1256] 1 struct s *p = malloc(sizeof(struct s)); VAL [__global_lock={4:0}, A={3:0}, A_mutex={5:0}, arg={0:0}, arg={0:0}, B_mutex={6:0}, malloc(sizeof(struct s))={-2:0}, p={-2:0}] [L1257] CALL 1 init(p,7) [L1246] 1 p -> datum = x VAL [\old(x)=3, \old(x)=7, __global_lock={4:0}, A={3:0}, A_mutex={5:0}, B_mutex={6:0}, p={-2:0}, p={9:0}, p={-2:0}, p={9:0}, x=3, x=7] [L1247] 1 p -> next = ((void *)0) VAL [\old(x)=7, \old(x)=3, __global_lock={4:0}, A={3:0}, A_mutex={5:0}, B_mutex={6:0}, p={-2:0}, p={9:0}, p={9:0}, p={-2:0}, x=7, x=3] [L1257] RET 1 init(p,7) [L1259] CALL 1 insert(p, &A) [L1250] EXPR 1 \read(**list) VAL [\read(**list)={9:0}, __global_lock={4:0}, A={3:0}, A_mutex={5:0}, B_mutex={6:0}, list={3:0}, list={3:0}, p={-2:0}, p={-2:0}] [L1250] 1 p->next = *list VAL [\read(**list)={9:0}, __global_lock={4:0}, A={3:0}, A_mutex={5:0}, B_mutex={6:0}, list={3:0}, list={3:0}, p={-2:0}, p={-2:0}] [L1251] 1 *list = p VAL [__global_lock={4:0}, A={3:0}, A_mutex={5:0}, B_mutex={6:0}, list={3:0}, list={3:0}, p={-2:0}, p={-2:0}] [L1259] RET 1 insert(p, &A) [L1262] COND FALSE 1 !(__VERIFIER_nondet_int()) VAL [__global_lock={4:0}, __VERIFIER_nondet_int()=0, A={3:0}, A_mutex={5:0}, arg={0:0}, arg={0:0}, B_mutex={6:0}, p={-2:0}] [L1262] EXPR 1 p->datum VAL [__global_lock={4:0}, A={3:0}, A_mutex={5:0}, arg={0:0}, arg={0:0}, B_mutex={6:0}, p={-2:0}, p->datum=7] [L1262] CALL 1 __VERIFIER_assert((p->datum) == 0) [L1235] COND TRUE 1 !(cond) VAL [\old(cond)=0, __global_lock={4:0}, A={3:0}, A_mutex={5:0}, B_mutex={6:0}, cond=0] [L1235] 1 reach_error() VAL [\old(cond)=0, __global_lock={4:0}, A={3:0}, A_mutex={5:0}, B_mutex={6:0}, cond=0] - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: t_funThread1of1ForFork0 with 1 thread instances CFG has 3 procedures, 297 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 36.1s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 35.2s, 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: 2, 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, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 512 NumberOfCodeBlocks, 512 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 415 ConstructedInterpolants, 0 QuantifiedInterpolants, 415 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 1107/1107 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 04:42:31,918 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2023-05-20 04:42:32,101 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...