/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-VariableLbe.epf --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations AFTER -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/goblint-regression/28-race_reach_94-alloc_region_racing.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-b8dbc81 [2023-01-28 08:24:40,707 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-01-28 08:24:40,708 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-01-28 08:24:40,729 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-01-28 08:24:40,730 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-01-28 08:24:40,730 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-01-28 08:24:40,732 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-01-28 08:24:40,733 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-01-28 08:24:40,734 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-01-28 08:24:40,735 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-01-28 08:24:40,736 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-01-28 08:24:40,736 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-01-28 08:24:40,737 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-01-28 08:24:40,738 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-01-28 08:24:40,738 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-01-28 08:24:40,739 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-01-28 08:24:40,740 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-01-28 08:24:40,741 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-01-28 08:24:40,742 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-01-28 08:24:40,743 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-01-28 08:24:40,744 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-01-28 08:24:40,745 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-01-28 08:24:40,746 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-01-28 08:24:40,746 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-01-28 08:24:40,749 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-01-28 08:24:40,749 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-01-28 08:24:40,749 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-01-28 08:24:40,750 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-01-28 08:24:40,750 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-01-28 08:24:40,751 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-01-28 08:24:40,751 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-01-28 08:24:40,752 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-01-28 08:24:40,752 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-01-28 08:24:40,753 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-01-28 08:24:40,753 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-01-28 08:24:40,754 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-01-28 08:24:40,754 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-01-28 08:24:40,754 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-01-28 08:24:40,755 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-01-28 08:24:40,755 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-01-28 08:24:40,756 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-01-28 08:24:40,757 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-VariableLbe.epf [2023-01-28 08:24:40,772 INFO L113 SettingsManager]: Loading preferences was successful [2023-01-28 08:24:40,773 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-01-28 08:24:40,773 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-01-28 08:24:40,773 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-01-28 08:24:40,774 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-01-28 08:24:40,774 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-01-28 08:24:40,774 INFO L138 SettingsManager]: * Use SBE=true [2023-01-28 08:24:40,775 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-01-28 08:24:40,775 INFO L138 SettingsManager]: * sizeof long=4 [2023-01-28 08:24:40,775 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-01-28 08:24:40,775 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-01-28 08:24:40,775 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-01-28 08:24:40,776 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-01-28 08:24:40,776 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-01-28 08:24:40,776 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-01-28 08:24:40,776 INFO L138 SettingsManager]: * sizeof long double=12 [2023-01-28 08:24:40,776 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-01-28 08:24:40,777 INFO L138 SettingsManager]: * Use constant arrays=true [2023-01-28 08:24:40,777 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-01-28 08:24:40,777 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-01-28 08:24:40,777 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-01-28 08:24:40,777 INFO L138 SettingsManager]: * To the following directory=./dump/ [2023-01-28 08:24:40,778 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-01-28 08:24:40,778 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-01-28 08:24:40,778 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-01-28 08:24:40,778 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-01-28 08:24:40,778 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-01-28 08:24:40,779 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-01-28 08:24:40,779 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-01-28 08:24:40,779 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-01-28 08:24:40,779 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-01-28 08:24:40,779 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> AFTER [2023-01-28 08:24:40,947 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-01-28 08:24:40,962 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-01-28 08:24:40,964 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-01-28 08:24:40,965 INFO L271 PluginConnector]: Initializing CDTParser... [2023-01-28 08:24:40,965 INFO L275 PluginConnector]: CDTParser initialized [2023-01-28 08:24:40,966 INFO L432 ainManager$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 [2023-01-28 08:24:42,017 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-01-28 08:24:42,249 INFO L351 CDTParser]: Found 1 translation units. [2023-01-28 08:24:42,250 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_94-alloc_region_racing.i [2023-01-28 08:24:42,266 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7451fb4d2/22d612b672af4e3fb66341d5f491584d/FLAG5c655a65e [2023-01-28 08:24:42,281 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7451fb4d2/22d612b672af4e3fb66341d5f491584d [2023-01-28 08:24:42,284 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-01-28 08:24:42,285 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2023-01-28 08:24:42,288 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-01-28 08:24:42,288 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-01-28 08:24:42,291 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-01-28 08:24:42,291 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.01 08:24:42" (1/1) ... [2023-01-28 08:24:42,292 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47e76780 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 08:24:42, skipping insertion in model container [2023-01-28 08:24:42,292 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.01 08:24:42" (1/1) ... [2023-01-28 08:24:42,298 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-01-28 08:24:42,353 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-01-28 08:24:42,830 WARN L247 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] [2023-01-28 08:24:42,893 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-01-28 08:24:42,906 INFO L203 MainTranslator]: Completed pre-run [2023-01-28 08:24:42,945 WARN L247 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] [2023-01-28 08:24:42,968 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-01-28 08:24:43,039 INFO L208 MainTranslator]: Completed translation [2023-01-28 08:24:43,039 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 08:24:43 WrapperNode [2023-01-28 08:24:43,040 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-01-28 08:24:43,041 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-01-28 08:24:43,041 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-01-28 08:24:43,041 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-01-28 08:24:43,047 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 08:24:43" (1/1) ... [2023-01-28 08:24:43,075 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 08:24:43" (1/1) ... [2023-01-28 08:24:43,103 INFO L138 Inliner]: procedures = 377, calls = 72, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 238 [2023-01-28 08:24:43,103 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-01-28 08:24:43,104 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-01-28 08:24:43,104 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-01-28 08:24:43,104 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-01-28 08:24:43,111 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 08:24:43" (1/1) ... [2023-01-28 08:24:43,111 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 08:24:43" (1/1) ... [2023-01-28 08:24:43,115 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 08:24:43" (1/1) ... [2023-01-28 08:24:43,115 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 08:24:43" (1/1) ... [2023-01-28 08:24:43,129 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 08:24:43" (1/1) ... [2023-01-28 08:24:43,134 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 08:24:43" (1/1) ... [2023-01-28 08:24:43,135 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 08:24:43" (1/1) ... [2023-01-28 08:24:43,137 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 08:24:43" (1/1) ... [2023-01-28 08:24:43,139 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-01-28 08:24:43,140 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-01-28 08:24:43,140 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-01-28 08:24:43,140 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-01-28 08:24:43,141 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 08:24:43" (1/1) ... [2023-01-28 08:24:43,145 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-01-28 08:24:43,155 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-28 08:24:43,166 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) [2023-01-28 08:24:43,172 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 [2023-01-28 08:24:43,194 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-01-28 08:24:43,195 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-01-28 08:24:43,195 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-01-28 08:24:43,195 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-01-28 08:24:43,195 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-01-28 08:24:43,195 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-01-28 08:24:43,195 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-01-28 08:24:43,195 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-01-28 08:24:43,195 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-01-28 08:24:43,195 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-01-28 08:24:43,196 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2023-01-28 08:24:43,196 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2023-01-28 08:24:43,196 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-01-28 08:24:43,196 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-01-28 08:24:43,196 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-01-28 08:24:43,197 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-01-28 08:24:43,339 INFO L236 CfgBuilder]: Building ICFG [2023-01-28 08:24:43,341 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-01-28 08:24:43,660 INFO L277 CfgBuilder]: Performing block encoding [2023-01-28 08:24:43,669 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-01-28 08:24:43,669 INFO L302 CfgBuilder]: Removed 23 assume(true) statements. [2023-01-28 08:24:43,671 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.01 08:24:43 BoogieIcfgContainer [2023-01-28 08:24:43,671 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-01-28 08:24:43,673 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-01-28 08:24:43,673 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-01-28 08:24:43,676 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-01-28 08:24:43,676 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.01 08:24:42" (1/3) ... [2023-01-28 08:24:43,677 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60b8bffd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.01 08:24:43, skipping insertion in model container [2023-01-28 08:24:43,677 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 08:24:43" (2/3) ... [2023-01-28 08:24:43,677 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60b8bffd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.01 08:24:43, skipping insertion in model container [2023-01-28 08:24:43,677 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.01 08:24:43" (3/3) ... [2023-01-28 08:24:43,678 INFO L112 eAbstractionObserver]: Analyzing ICFG 28-race_reach_94-alloc_region_racing.i [2023-01-28 08:24:43,692 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-01-28 08:24:43,692 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-01-28 08:24:43,692 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-01-28 08:24:43,760 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2023-01-28 08:24:43,813 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 214 places, 240 transitions, 488 flow [2023-01-28 08:24:43,926 INFO L130 PetriNetUnfolder]: 45/343 cut-off events. [2023-01-28 08:24:43,927 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2023-01-28 08:24:43,935 INFO L83 FinitePrefix]: Finished finitePrefix Result has 349 conditions, 343 events. 45/343 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 1028 event pairs, 0 based on Foata normal form. 0/292 useless extension candidates. Maximal degree in co-relation 186. Up to 8 conditions per place. [2023-01-28 08:24:43,936 INFO L82 GeneralOperation]: Start removeDead. Operand has 214 places, 240 transitions, 488 flow [2023-01-28 08:24:43,942 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 210 places, 235 transitions, 475 flow [2023-01-28 08:24:43,945 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-01-28 08:24:43,957 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 210 places, 235 transitions, 475 flow [2023-01-28 08:24:43,959 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 210 places, 235 transitions, 475 flow [2023-01-28 08:24:43,959 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 210 places, 235 transitions, 475 flow [2023-01-28 08:24:44,029 INFO L130 PetriNetUnfolder]: 44/338 cut-off events. [2023-01-28 08:24:44,029 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-01-28 08:24:44,035 INFO L83 FinitePrefix]: Finished finitePrefix Result has 343 conditions, 338 events. 44/338 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 978 event pairs, 0 based on Foata normal form. 0/287 useless extension candidates. Maximal degree in co-relation 186. Up to 8 conditions per place. [2023-01-28 08:24:44,042 INFO L119 LiptonReduction]: Number of co-enabled transitions 17004 [2023-01-28 08:24:53,698 INFO L134 LiptonReduction]: Checked pairs total: 37879 [2023-01-28 08:24:53,699 INFO L136 LiptonReduction]: Total number of compositions: 182 [2023-01-28 08:24:53,711 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-01-28 08:24:53,717 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=false, mAutomataTypeConcurrency=PETRI_NET, 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;@6f1c19fc, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-01-28 08:24:53,717 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2023-01-28 08:24:53,725 INFO L130 PetriNetUnfolder]: 8/61 cut-off events. [2023-01-28 08:24:53,726 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-01-28 08:24:53,726 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-01-28 08:24:53,726 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-01-28 08:24:53,727 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-01-28 08:24:53,731 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-01-28 08:24:53,731 INFO L85 PathProgramCache]: Analyzing trace with hash 808044660, now seen corresponding path program 1 times [2023-01-28 08:24:53,739 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-28 08:24:53,739 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [749812372] [2023-01-28 08:24:53,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-28 08:24:53,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-28 08:24:53,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-01-28 08:24:53,935 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-01-28 08:24:54,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-01-28 08:24:54,029 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-01-28 08:24:54,030 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-01-28 08:24:54,031 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2023-01-28 08:24:54,033 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 3 remaining) [2023-01-28 08:24:54,033 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 3 remaining) [2023-01-28 08:24:54,033 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-01-28 08:24:54,034 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-01-28 08:24:54,036 INFO L307 ceAbstractionStarter]: Result for error location AllErrorsAtOnce was UNSAFE,UNKNOWN,UNKNOWN (1/2) [2023-01-28 08:24:54,039 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-01-28 08:24:54,039 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-01-28 08:24:54,072 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.01 08:24:54 BasicIcfg [2023-01-28 08:24:54,072 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-01-28 08:24:54,073 INFO L158 Benchmark]: Toolchain (without parser) took 11787.56ms. Allocated memory was 354.4MB in the beginning and 425.7MB in the end (delta: 71.3MB). Free memory was 301.4MB in the beginning and 209.8MB in the end (delta: 91.6MB). Peak memory consumption was 164.9MB. Max. memory is 16.0GB. [2023-01-28 08:24:54,074 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 255.9MB. Free memory is still 213.3MB. There was no memory consumed. Max. memory is 16.0GB. [2023-01-28 08:24:54,074 INFO L158 Benchmark]: CACSL2BoogieTranslator took 751.94ms. Allocated memory is still 354.4MB. Free memory was 301.1MB in the beginning and 305.3MB in the end (delta: -4.2MB). Peak memory consumption was 20.0MB. Max. memory is 16.0GB. [2023-01-28 08:24:54,074 INFO L158 Benchmark]: Boogie Procedure Inliner took 62.47ms. Allocated memory is still 354.4MB. Free memory was 305.3MB in the beginning and 302.3MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2023-01-28 08:24:54,075 INFO L158 Benchmark]: Boogie Preprocessor took 35.76ms. Allocated memory is still 354.4MB. Free memory was 302.3MB in the beginning and 299.6MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.0GB. [2023-01-28 08:24:54,075 INFO L158 Benchmark]: RCFGBuilder took 531.43ms. Allocated memory is still 354.4MB. Free memory was 299.6MB in the beginning and 275.0MB in the end (delta: 24.6MB). Peak memory consumption was 23.1MB. Max. memory is 16.0GB. [2023-01-28 08:24:54,076 INFO L158 Benchmark]: TraceAbstraction took 10398.89ms. Allocated memory was 354.4MB in the beginning and 425.7MB in the end (delta: 71.3MB). Free memory was 274.5MB in the beginning and 209.8MB in the end (delta: 64.6MB). Peak memory consumption was 134.4MB. Max. memory is 16.0GB. [2023-01-28 08:24:54,078 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 255.9MB. Free memory is still 213.3MB. There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 751.94ms. Allocated memory is still 354.4MB. Free memory was 301.1MB in the beginning and 305.3MB in the end (delta: -4.2MB). Peak memory consumption was 20.0MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 62.47ms. Allocated memory is still 354.4MB. Free memory was 305.3MB in the beginning and 302.3MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * Boogie Preprocessor took 35.76ms. Allocated memory is still 354.4MB. Free memory was 302.3MB in the beginning and 299.6MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.0GB. * RCFGBuilder took 531.43ms. Allocated memory is still 354.4MB. Free memory was 299.6MB in the beginning and 275.0MB in the end (delta: 24.6MB). Peak memory consumption was 23.1MB. Max. memory is 16.0GB. * TraceAbstraction took 10398.89ms. Allocated memory was 354.4MB in the beginning and 425.7MB in the end (delta: 71.3MB). Free memory was 274.5MB in the beginning and 209.8MB in the end (delta: 64.6MB). Peak memory consumption was 134.4MB. Max. memory is 16.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 9.7s, 210 PlacesBefore, 63 PlacesAfterwards, 235 TransitionsBefore, 84 TransitionsAfterwards, 17004 CoEnabledTransitionPairs, 7 FixpointIterations, 46 TrivialSequentialCompositions, 116 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 16 ConcurrentYvCompositions, 4 ChoiceCompositions, 182 TotalNumberOfCompositions, 37879 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 13632, independent: 13048, independent conditional: 0, independent unconditional: 13048, dependent: 584, dependent conditional: 0, dependent unconditional: 584, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 8177, independent: 8060, independent conditional: 0, independent unconditional: 8060, dependent: 117, dependent conditional: 0, dependent unconditional: 117, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 13632, independent: 4988, independent conditional: 0, independent unconditional: 4988, dependent: 467, dependent conditional: 0, dependent unconditional: 467, unknown: 8177, unknown conditional: 0, unknown unconditional: 8177] , Statistics on independence cache: Total cache size (in pairs): 314, Positive cache size: 258, Positive conditional cache size: 0, Positive unconditional cache size: 258, Negative cache size: 56, Negative conditional cache size: 0, Negative unconditional cache size: 56, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - CounterExampleResult [Line: 1235]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L1240] 0 pthread_mutex_t __global_lock = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; [L1241-L1244] 0 struct s { int datum; struct s *next; } *A; [L1253] 0 pthread_mutex_t A_mutex = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; [L1254] 0 pthread_mutex_t B_mutex = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; [L1267] 0 struct s *p; [L1268] 0 A = malloc(sizeof(struct s)) [L1269] EXPR 0 \read(*A) [L1269] CALL 0 init(A,3) [L1246] 0 p -> datum = x [L1247] 0 p -> next = ((void *)0) [L1269] RET 0 init(A,3) [L1270] 0 pthread_t t_ids[10000]; [L1270] 0 int i=0; VAL [A={4:0}, A_mutex={5:0}, B_mutex={6:0}, __global_lock={3:0}, i=0, t_ids={11:0}] [L1270] COND TRUE 0 i<10000 [L1270] FCALL, FORK 0 pthread_create(&t_ids[i], ((void *)0), t_fun, ((void *)0)) VAL [A={4:0}, A_mutex={5:0}, B_mutex={6:0}, __global_lock={3:0}, i=0, pthread_create(&t_ids[i], ((void *)0), t_fun, ((void *)0))=-1, t_ids={11:0}] [L1256] 1 struct s *p = malloc(sizeof(struct s)); [L1257] CALL 1 init(p,7) [L1246] 1 p -> datum = x VAL [A={4:0}, A_mutex={5:0}, B_mutex={6:0}, \old(x)=3, \old(x)=7, __global_lock={3:0}, p={-2:0}, p={-2:0}, p={9:0}, p={9:0}, x=3, x=7] [L1247] 1 p -> next = ((void *)0) [L1257] RET 1 init(p,7) [L1259] CALL 1 insert(p, &A) [L1250] EXPR 1 \read(**list) VAL [A={4:0}, A_mutex={5:0}, B_mutex={6:0}, \read(**list)={-2:0}, __global_lock={3:0}, list={4:0}, list={4:0}, p={9:0}, p={9:0}] [L1250] 1 p->next = *list VAL [A={4:0}, A_mutex={5:0}, B_mutex={6:0}, \read(**list)={-2:0}, __global_lock={3:0}, list={4:0}, list={4:0}, p={9:0}, p={9:0}] [L1251] 1 *list = p VAL [A={4:0}, A_mutex={5:0}, B_mutex={6:0}, __global_lock={3:0}, list={4:0}, list={4:0}, p={9:0}, p={9:0}] [L1259] RET 1 insert(p, &A) [L1262] COND FALSE 1 !(__VERIFIER_nondet_int()) [L1262] EXPR 1 p->datum [L1262] CALL 1 __VERIFIER_assert((p->datum) == 0) [L1235] COND TRUE 1 !(cond) [L1235] 1 reach_error() VAL [A={4:0}, A_mutex={5:0}, B_mutex={6:0}, \old(cond)=0, __global_lock={3:0}, cond=0] - UnprovableResult [Line: 1235]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 279 locations, 4 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 10.2s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 9.9s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=173occurred in iteration=0, InterpolantAutomatonStates: 0, 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, 0.0s InterpolantComputationTime, 15 NumberOfCodeBlocks, 15 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2023-01-28 08:24:54,109 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...