/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/36-apron_41-threadenter-no-locals_unknown_1_neg.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-b8dbc81 [2023-01-28 08:26:04,154 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-01-28 08:26:04,155 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-01-28 08:26:04,178 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-01-28 08:26:04,179 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-01-28 08:26:04,180 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-01-28 08:26:04,181 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-01-28 08:26:04,182 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-01-28 08:26:04,183 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-01-28 08:26:04,184 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-01-28 08:26:04,184 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-01-28 08:26:04,185 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-01-28 08:26:04,185 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-01-28 08:26:04,186 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-01-28 08:26:04,187 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-01-28 08:26:04,187 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-01-28 08:26:04,188 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-01-28 08:26:04,189 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-01-28 08:26:04,190 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-01-28 08:26:04,191 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-01-28 08:26:04,192 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-01-28 08:26:04,193 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-01-28 08:26:04,194 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-01-28 08:26:04,194 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-01-28 08:26:04,197 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-01-28 08:26:04,197 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-01-28 08:26:04,197 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-01-28 08:26:04,198 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-01-28 08:26:04,198 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-01-28 08:26:04,199 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-01-28 08:26:04,199 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-01-28 08:26:04,200 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-01-28 08:26:04,200 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-01-28 08:26:04,201 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-01-28 08:26:04,201 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-01-28 08:26:04,202 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-01-28 08:26:04,202 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-01-28 08:26:04,202 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-01-28 08:26:04,202 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-01-28 08:26:04,203 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-01-28 08:26:04,204 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-01-28 08:26:04,206 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 08:26:04,231 INFO L113 SettingsManager]: Loading preferences was successful [2023-01-28 08:26:04,231 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-01-28 08:26:04,232 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-01-28 08:26:04,233 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-01-28 08:26:04,233 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-01-28 08:26:04,233 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-01-28 08:26:04,234 INFO L138 SettingsManager]: * Use SBE=true [2023-01-28 08:26:04,234 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-01-28 08:26:04,234 INFO L138 SettingsManager]: * sizeof long=4 [2023-01-28 08:26:04,234 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-01-28 08:26:04,235 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-01-28 08:26:04,235 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-01-28 08:26:04,235 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-01-28 08:26:04,235 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-01-28 08:26:04,235 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-01-28 08:26:04,235 INFO L138 SettingsManager]: * sizeof long double=12 [2023-01-28 08:26:04,235 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-01-28 08:26:04,235 INFO L138 SettingsManager]: * Use constant arrays=true [2023-01-28 08:26:04,235 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-01-28 08:26:04,236 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-01-28 08:26:04,236 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-01-28 08:26:04,236 INFO L138 SettingsManager]: * To the following directory=./dump/ [2023-01-28 08:26:04,236 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-01-28 08:26:04,236 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-01-28 08:26:04,236 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-01-28 08:26:04,236 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-01-28 08:26:04,237 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-01-28 08:26:04,237 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-01-28 08:26:04,237 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-01-28 08:26:04,237 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-01-28 08:26:04,237 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-01-28 08:26:04,237 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> AFTER [2023-01-28 08:26:04,452 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-01-28 08:26:04,475 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-01-28 08:26:04,477 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-01-28 08:26:04,478 INFO L271 PluginConnector]: Initializing CDTParser... [2023-01-28 08:26:04,478 INFO L275 PluginConnector]: CDTParser initialized [2023-01-28 08:26:04,479 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/36-apron_41-threadenter-no-locals_unknown_1_neg.i [2023-01-28 08:26:05,581 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-01-28 08:26:05,835 INFO L351 CDTParser]: Found 1 translation units. [2023-01-28 08:26:05,836 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/36-apron_41-threadenter-no-locals_unknown_1_neg.i [2023-01-28 08:26:05,846 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c5301c241/dc7fcc8ed7a6401793290a45e7bff6d9/FLAGede9e1a4a [2023-01-28 08:26:05,860 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c5301c241/dc7fcc8ed7a6401793290a45e7bff6d9 [2023-01-28 08:26:05,863 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-01-28 08:26:05,864 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2023-01-28 08:26:05,866 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-01-28 08:26:05,867 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-01-28 08:26:05,869 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-01-28 08:26:05,869 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.01 08:26:05" (1/1) ... [2023-01-28 08:26:05,870 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c64b724 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 08:26:05, skipping insertion in model container [2023-01-28 08:26:05,870 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.01 08:26:05" (1/1) ... [2023-01-28 08:26:05,876 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-01-28 08:26:05,911 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-01-28 08:26:06,019 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/36-apron_41-threadenter-no-locals_unknown_1_neg.i[1102,1115] [2023-01-28 08:26:06,138 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-01-28 08:26:06,160 INFO L203 MainTranslator]: Completed pre-run [2023-01-28 08:26:06,169 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/36-apron_41-threadenter-no-locals_unknown_1_neg.i[1102,1115] [2023-01-28 08:26:06,189 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-01-28 08:26:06,216 INFO L208 MainTranslator]: Completed translation [2023-01-28 08:26:06,217 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 08:26:06 WrapperNode [2023-01-28 08:26:06,217 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-01-28 08:26:06,218 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-01-28 08:26:06,218 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-01-28 08:26:06,218 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-01-28 08:26:06,223 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 08:26:06" (1/1) ... [2023-01-28 08:26:06,238 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 08:26:06" (1/1) ... [2023-01-28 08:26:06,252 INFO L138 Inliner]: procedures = 162, calls = 12, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 36 [2023-01-28 08:26:06,252 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-01-28 08:26:06,253 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-01-28 08:26:06,253 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-01-28 08:26:06,253 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-01-28 08:26:06,259 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 08:26:06" (1/1) ... [2023-01-28 08:26:06,259 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 08:26:06" (1/1) ... [2023-01-28 08:26:06,261 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 08:26:06" (1/1) ... [2023-01-28 08:26:06,261 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 08:26:06" (1/1) ... [2023-01-28 08:26:06,264 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 08:26:06" (1/1) ... [2023-01-28 08:26:06,265 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 08:26:06" (1/1) ... [2023-01-28 08:26:06,266 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 08:26:06" (1/1) ... [2023-01-28 08:26:06,267 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 08:26:06" (1/1) ... [2023-01-28 08:26:06,269 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-01-28 08:26:06,269 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-01-28 08:26:06,269 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-01-28 08:26:06,269 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-01-28 08:26:06,270 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 08:26:06" (1/1) ... [2023-01-28 08:26:06,274 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-01-28 08:26:06,282 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-28 08:26:06,293 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 08:26:06,312 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 08:26:06,326 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-01-28 08:26:06,326 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-01-28 08:26:06,327 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-01-28 08:26:06,327 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2023-01-28 08:26:06,327 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2023-01-28 08:26:06,327 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-01-28 08:26:06,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-01-28 08:26:06,327 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-01-28 08:26:06,328 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-01-28 08:26:06,329 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 08:26:06,415 INFO L236 CfgBuilder]: Building ICFG [2023-01-28 08:26:06,417 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-01-28 08:26:06,491 INFO L277 CfgBuilder]: Performing block encoding [2023-01-28 08:26:06,506 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-01-28 08:26:06,506 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-01-28 08:26:06,507 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.01 08:26:06 BoogieIcfgContainer [2023-01-28 08:26:06,508 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-01-28 08:26:06,509 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-01-28 08:26:06,509 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-01-28 08:26:06,511 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-01-28 08:26:06,512 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.01 08:26:05" (1/3) ... [2023-01-28 08:26:06,512 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f71b601 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.01 08:26:06, skipping insertion in model container [2023-01-28 08:26:06,512 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 08:26:06" (2/3) ... [2023-01-28 08:26:06,512 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f71b601 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.01 08:26:06, skipping insertion in model container [2023-01-28 08:26:06,513 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.01 08:26:06" (3/3) ... [2023-01-28 08:26:06,516 INFO L112 eAbstractionObserver]: Analyzing ICFG 36-apron_41-threadenter-no-locals_unknown_1_neg.i [2023-01-28 08:26:06,544 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-01-28 08:26:06,544 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-01-28 08:26:06,544 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-01-28 08:26:06,603 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-01-28 08:26:06,634 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 41 places, 38 transitions, 81 flow [2023-01-28 08:26:06,655 INFO L130 PetriNetUnfolder]: 1/37 cut-off events. [2023-01-28 08:26:06,655 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-01-28 08:26:06,658 INFO L83 FinitePrefix]: Finished finitePrefix Result has 41 conditions, 37 events. 1/37 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 20 event pairs, 0 based on Foata normal form. 0/35 useless extension candidates. Maximal degree in co-relation 22. Up to 2 conditions per place. [2023-01-28 08:26:06,658 INFO L82 GeneralOperation]: Start removeDead. Operand has 41 places, 38 transitions, 81 flow [2023-01-28 08:26:06,661 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 36 places, 32 transitions, 67 flow [2023-01-28 08:26:06,664 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-01-28 08:26:06,676 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 36 places, 32 transitions, 67 flow [2023-01-28 08:26:06,679 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 36 places, 32 transitions, 67 flow [2023-01-28 08:26:06,679 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 36 places, 32 transitions, 67 flow [2023-01-28 08:26:06,693 INFO L130 PetriNetUnfolder]: 0/32 cut-off events. [2023-01-28 08:26:06,693 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-01-28 08:26:06,693 INFO L83 FinitePrefix]: Finished finitePrefix Result has 36 conditions, 32 events. 0/32 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 13 event pairs, 0 based on Foata normal form. 0/32 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2023-01-28 08:26:06,693 INFO L119 LiptonReduction]: Number of co-enabled transitions 140 [2023-01-28 08:26:07,606 INFO L134 LiptonReduction]: Checked pairs total: 88 [2023-01-28 08:26:07,606 INFO L136 LiptonReduction]: Total number of compositions: 28 [2023-01-28 08:26:07,623 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-01-28 08:26:07,634 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;@735d4139, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-01-28 08:26:07,634 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2023-01-28 08:26:07,636 INFO L130 PetriNetUnfolder]: 0/3 cut-off events. [2023-01-28 08:26:07,636 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-01-28 08:26:07,636 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-01-28 08:26:07,636 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2023-01-28 08:26:07,637 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-01-28 08:26:07,643 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-01-28 08:26:07,643 INFO L85 PathProgramCache]: Analyzing trace with hash 153046, now seen corresponding path program 1 times [2023-01-28 08:26:07,650 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-28 08:26:07,650 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [518665721] [2023-01-28 08:26:07,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-28 08:26:07,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-28 08:26:07,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-01-28 08:26:07,744 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-01-28 08:26:07,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-01-28 08:26:07,793 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-01-28 08:26:07,795 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-01-28 08:26:07,796 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2023-01-28 08:26:07,797 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2023-01-28 08:26:07,797 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 3 remaining) [2023-01-28 08:26:07,798 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-01-28 08:26:07,798 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-01-28 08:26:07,807 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-01-28 08:26:07,807 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-01-28 08:26:07,823 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.01 08:26:07 BasicIcfg [2023-01-28 08:26:07,823 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-01-28 08:26:07,824 INFO L158 Benchmark]: Toolchain (without parser) took 1959.54ms. Allocated memory is still 343.9MB. Free memory was 289.4MB in the beginning and 282.2MB in the end (delta: 7.2MB). Peak memory consumption was 9.8MB. Max. memory is 16.0GB. [2023-01-28 08:26:07,824 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 255.9MB. Free memory is still 213.7MB. There was no memory consumed. Max. memory is 16.0GB. [2023-01-28 08:26:07,826 INFO L158 Benchmark]: CACSL2BoogieTranslator took 350.45ms. Allocated memory is still 343.9MB. Free memory was 289.4MB in the beginning and 314.4MB in the end (delta: -24.9MB). Peak memory consumption was 19.0MB. Max. memory is 16.0GB. [2023-01-28 08:26:07,829 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.78ms. Allocated memory is still 343.9MB. Free memory was 314.4MB in the beginning and 312.7MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2023-01-28 08:26:07,829 INFO L158 Benchmark]: Boogie Preprocessor took 15.87ms. Allocated memory is still 343.9MB. Free memory was 312.7MB in the beginning and 311.2MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2023-01-28 08:26:07,830 INFO L158 Benchmark]: RCFGBuilder took 238.35ms. Allocated memory is still 343.9MB. Free memory was 311.2MB in the beginning and 300.7MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.0GB. [2023-01-28 08:26:07,831 INFO L158 Benchmark]: TraceAbstraction took 1313.86ms. Allocated memory is still 343.9MB. Free memory was 299.6MB in the beginning and 282.2MB in the end (delta: 17.4MB). Peak memory consumption was 18.0MB. Max. memory is 16.0GB. [2023-01-28 08:26:07,836 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 255.9MB. Free memory is still 213.7MB. There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 350.45ms. Allocated memory is still 343.9MB. Free memory was 289.4MB in the beginning and 314.4MB in the end (delta: -24.9MB). Peak memory consumption was 19.0MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 34.78ms. Allocated memory is still 343.9MB. Free memory was 314.4MB in the beginning and 312.7MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * Boogie Preprocessor took 15.87ms. Allocated memory is still 343.9MB. Free memory was 312.7MB in the beginning and 311.2MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * RCFGBuilder took 238.35ms. Allocated memory is still 343.9MB. Free memory was 311.2MB in the beginning and 300.7MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.0GB. * TraceAbstraction took 1313.86ms. Allocated memory is still 343.9MB. Free memory was 299.6MB in the beginning and 282.2MB in the end (delta: 17.4MB). Peak memory consumption was 18.0MB. Max. memory is 16.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.9s, 36 PlacesBefore, 8 PlacesAfterwards, 32 TransitionsBefore, 4 TransitionsAfterwards, 140 CoEnabledTransitionPairs, 5 FixpointIterations, 13 TrivialSequentialCompositions, 15 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 28 TotalNumberOfCompositions, 88 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 88, independent: 88, independent conditional: 0, independent unconditional: 88, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 69, independent: 69, independent conditional: 0, independent unconditional: 69, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 88, independent: 19, independent conditional: 0, independent unconditional: 19, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 69, unknown conditional: 0, unknown unconditional: 69] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - CounterExampleResult [Line: 19]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L688] 0 int x = 3; [L689] 0 pthread_t id; [L690] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [id={3:0}, pthread_create(&id, ((void *)0), t_fun, ((void *)0))=-1, x=3] [L683] 1 int x = __VERIFIER_nondet_int(); [L684] CALL 1 __VERIFIER_assert(!(x == 3)) [L19] COND TRUE 1 !(cond) [L19] 1 reach_error() VAL [\old(cond)=0, cond=0] - UnprovableResult [Line: 690]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 54 locations, 3 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: 1.2s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 1.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=11occurred 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 3 NumberOfCodeBlocks, 3 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 08:26:07,854 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...