/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/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedSemanticLbeWithDisjunctivePredicates.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/goblint-regression/13-privatized_19-publish-precision_unknown_1_neg.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.repeated-lipton-8d0d62b [2022-12-06 07:07:50,216 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-06 07:07:50,218 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-06 07:07:50,256 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-06 07:07:50,256 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-06 07:07:50,257 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-06 07:07:50,258 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-06 07:07:50,263 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-06 07:07:50,267 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-06 07:07:50,268 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-06 07:07:50,269 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-06 07:07:50,271 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-06 07:07:50,271 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-06 07:07:50,276 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-06 07:07:50,278 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-06 07:07:50,280 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-06 07:07:50,280 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-06 07:07:50,281 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-06 07:07:50,284 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-06 07:07:50,285 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-06 07:07:50,286 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-06 07:07:50,290 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-06 07:07:50,290 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-06 07:07:50,291 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-06 07:07:50,293 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-06 07:07:50,293 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-06 07:07:50,293 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-06 07:07:50,294 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-06 07:07:50,294 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-06 07:07:50,294 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-06 07:07:50,295 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-06 07:07:50,295 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-06 07:07:50,296 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-06 07:07:50,296 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-06 07:07:50,297 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-06 07:07:50,297 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-06 07:07:50,297 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-06 07:07:50,297 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-06 07:07:50,297 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-06 07:07:50,298 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-06 07:07:50,298 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-06 07:07:50,305 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-RepeatedSemanticLbeWithDisjunctivePredicates.epf [2022-12-06 07:07:50,332 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-06 07:07:50,332 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-06 07:07:50,333 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-06 07:07:50,334 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-06 07:07:50,334 INFO L138 SettingsManager]: * Use SBE=true [2022-12-06 07:07:50,334 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-06 07:07:50,334 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-06 07:07:50,335 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-06 07:07:50,335 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-06 07:07:50,335 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-06 07:07:50,335 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-06 07:07:50,335 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-06 07:07:50,336 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-06 07:07:50,336 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-06 07:07:50,336 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-06 07:07:50,336 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-06 07:07:50,336 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-06 07:07:50,336 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-06 07:07:50,336 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-06 07:07:50,336 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-12-06 07:07:50,336 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-06 07:07:50,337 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-06 07:07:50,337 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-06 07:07:50,337 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-06 07:07:50,337 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-06 07:07:50,337 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-06 07:07:50,337 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-06 07:07:50,337 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=REPEATED_LIPTON_PN [2022-12-06 07:07:50,337 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-12-06 07:07:50,606 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-06 07:07:50,637 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-06 07:07:50,638 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-06 07:07:50,639 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-06 07:07:50,640 INFO L275 PluginConnector]: CDTParser initialized [2022-12-06 07:07:50,641 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_19-publish-precision_unknown_1_neg.i [2022-12-06 07:07:51,695 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-06 07:07:51,923 INFO L351 CDTParser]: Found 1 translation units. [2022-12-06 07:07:51,924 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_19-publish-precision_unknown_1_neg.i [2022-12-06 07:07:51,966 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/df3857eed/f48222ac937245fd8e1bca2c68fc7d5b/FLAG20ff84cd9 [2022-12-06 07:07:51,979 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/df3857eed/f48222ac937245fd8e1bca2c68fc7d5b [2022-12-06 07:07:51,981 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-06 07:07:51,982 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-12-06 07:07:51,984 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-06 07:07:51,984 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-06 07:07:51,986 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-06 07:07:51,986 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 07:07:51" (1/1) ... [2022-12-06 07:07:51,987 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@255956d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:07:51, skipping insertion in model container [2022-12-06 07:07:51,987 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 07:07:51" (1/1) ... [2022-12-06 07:07:51,992 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-06 07:07:52,046 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-06 07:07:52,176 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_19-publish-precision_unknown_1_neg.i[1103,1116] [2022-12-06 07:07:52,323 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-06 07:07:52,335 INFO L203 MainTranslator]: Completed pre-run [2022-12-06 07:07:52,347 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_19-publish-precision_unknown_1_neg.i[1103,1116] [2022-12-06 07:07:52,399 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-06 07:07:52,443 INFO L208 MainTranslator]: Completed translation [2022-12-06 07:07:52,443 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:07:52 WrapperNode [2022-12-06 07:07:52,443 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-06 07:07:52,444 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-06 07:07:52,445 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-06 07:07:52,446 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-06 07:07:52,452 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:07:52" (1/1) ... [2022-12-06 07:07:52,478 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:07:52" (1/1) ... [2022-12-06 07:07:52,497 INFO L138 Inliner]: procedures = 162, calls = 29, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 49 [2022-12-06 07:07:52,498 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-06 07:07:52,498 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-06 07:07:52,499 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-06 07:07:52,499 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-06 07:07:52,521 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:07:52" (1/1) ... [2022-12-06 07:07:52,522 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:07:52" (1/1) ... [2022-12-06 07:07:52,524 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:07:52" (1/1) ... [2022-12-06 07:07:52,524 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:07:52" (1/1) ... [2022-12-06 07:07:52,528 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:07:52" (1/1) ... [2022-12-06 07:07:52,529 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:07:52" (1/1) ... [2022-12-06 07:07:52,530 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:07:52" (1/1) ... [2022-12-06 07:07:52,531 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:07:52" (1/1) ... [2022-12-06 07:07:52,533 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-06 07:07:52,533 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-06 07:07:52,533 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-06 07:07:52,534 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-06 07:07:52,534 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:07:52" (1/1) ... [2022-12-06 07:07:52,539 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-06 07:07:52,560 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-06 07:07:52,595 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-06 07:07:52,621 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-06 07:07:52,655 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-06 07:07:52,655 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-06 07:07:52,655 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-12-06 07:07:52,655 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-06 07:07:52,656 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-06 07:07:52,656 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-12-06 07:07:52,656 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-12-06 07:07:52,656 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-06 07:07:52,656 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-06 07:07:52,656 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-06 07:07:52,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-06 07:07:52,657 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2022-12-06 07:07:52,762 INFO L236 CfgBuilder]: Building ICFG [2022-12-06 07:07:52,765 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-06 07:07:52,963 INFO L277 CfgBuilder]: Performing block encoding [2022-12-06 07:07:52,967 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-06 07:07:52,967 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-06 07:07:52,969 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 07:07:52 BoogieIcfgContainer [2022-12-06 07:07:52,969 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-06 07:07:52,970 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-06 07:07:52,971 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-06 07:07:52,973 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-06 07:07:52,973 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.12 07:07:51" (1/3) ... [2022-12-06 07:07:52,973 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43ef363d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 07:07:52, skipping insertion in model container [2022-12-06 07:07:52,973 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:07:52" (2/3) ... [2022-12-06 07:07:52,973 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43ef363d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 07:07:52, skipping insertion in model container [2022-12-06 07:07:52,974 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 07:07:52" (3/3) ... [2022-12-06 07:07:52,974 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_19-publish-precision_unknown_1_neg.i [2022-12-06 07:07:52,987 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-06 07:07:52,988 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-06 07:07:52,988 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-06 07:07:53,030 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-12-06 07:07:53,056 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 68 places, 65 transitions, 138 flow [2022-12-06 07:07:53,098 INFO L130 PetriNetUnfolder]: 1/64 cut-off events. [2022-12-06 07:07:53,098 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-12-06 07:07:53,102 INFO L83 FinitePrefix]: Finished finitePrefix Result has 69 conditions, 64 events. 1/64 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 32 event pairs, 0 based on Foata normal form. 0/62 useless extension candidates. Maximal degree in co-relation 28. Up to 2 conditions per place. [2022-12-06 07:07:53,102 INFO L82 GeneralOperation]: Start removeDead. Operand has 68 places, 65 transitions, 138 flow [2022-12-06 07:07:53,104 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 56 places, 52 transitions, 107 flow [2022-12-06 07:07:53,106 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 07:07:53,124 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 56 places, 52 transitions, 107 flow [2022-12-06 07:07:53,127 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 56 places, 52 transitions, 107 flow [2022-12-06 07:07:53,138 INFO L130 PetriNetUnfolder]: 0/52 cut-off events. [2022-12-06 07:07:53,138 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-06 07:07:53,138 INFO L83 FinitePrefix]: Finished finitePrefix Result has 56 conditions, 52 events. 0/52 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 17 event pairs, 0 based on Foata normal form. 0/52 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2022-12-06 07:07:53,139 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 56 places, 52 transitions, 107 flow [2022-12-06 07:07:53,140 INFO L188 LiptonReduction]: Number of co-enabled transitions 252 [2022-12-06 07:07:55,825 INFO L203 LiptonReduction]: Total number of compositions: 45 [2022-12-06 07:07:55,842 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-06 07:07:55,847 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=REPEATED_LIPTON_PN, 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;@7e40f85e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, Conditionality=CONDITIONAL_DISJUNCTIVE, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-06 07:07:55,847 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-12-06 07:07:55,850 INFO L130 PetriNetUnfolder]: 0/8 cut-off events. [2022-12-06 07:07:55,850 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-06 07:07:55,850 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 07:07:55,850 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2022-12-06 07:07:55,851 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-12-06 07:07:55,855 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 07:07:55,855 INFO L85 PathProgramCache]: Analyzing trace with hash 6882470, now seen corresponding path program 1 times [2022-12-06 07:07:55,861 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 07:07:55,862 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1765435702] [2022-12-06 07:07:55,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 07:07:55,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 07:07:55,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-06 07:07:55,967 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-06 07:07:55,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-06 07:07:56,015 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-06 07:07:56,016 INFO L373 BasicCegarLoop]: Counterexample is feasible [2022-12-06 07:07:56,017 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2022-12-06 07:07:56,018 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 2 remaining) [2022-12-06 07:07:56,019 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-06 07:07:56,019 INFO L458 BasicCegarLoop]: Path program histogram: [1] [2022-12-06 07:07:56,023 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-06 07:07:56,024 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-06 07:07:56,037 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.12 07:07:56 BasicIcfg [2022-12-06 07:07:56,038 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-06 07:07:56,039 INFO L158 Benchmark]: Toolchain (without parser) took 4056.37ms. Allocated memory was 185.6MB in the beginning and 241.2MB in the end (delta: 55.6MB). Free memory was 160.4MB in the beginning and 168.4MB in the end (delta: -8.0MB). Peak memory consumption was 48.1MB. Max. memory is 8.0GB. [2022-12-06 07:07:56,040 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 185.6MB. Free memory is still 162.8MB. There was no memory consumed. Max. memory is 8.0GB. [2022-12-06 07:07:56,043 INFO L158 Benchmark]: CACSL2BoogieTranslator took 459.61ms. Allocated memory is still 185.6MB. Free memory was 160.4MB in the beginning and 141.5MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. [2022-12-06 07:07:56,043 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.50ms. Allocated memory is still 185.6MB. Free memory was 141.5MB in the beginning and 139.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-12-06 07:07:56,043 INFO L158 Benchmark]: Boogie Preprocessor took 34.33ms. Allocated memory is still 185.6MB. Free memory was 139.4MB in the beginning and 137.9MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-12-06 07:07:56,044 INFO L158 Benchmark]: RCFGBuilder took 435.59ms. Allocated memory is still 185.6MB. Free memory was 137.9MB in the beginning and 124.7MB in the end (delta: 13.1MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. [2022-12-06 07:07:56,045 INFO L158 Benchmark]: TraceAbstraction took 3067.38ms. Allocated memory was 185.6MB in the beginning and 241.2MB in the end (delta: 55.6MB). Free memory was 124.2MB in the beginning and 168.4MB in the end (delta: -44.2MB). Peak memory consumption was 12.4MB. Max. memory is 8.0GB. [2022-12-06 07:07:56,049 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 185.6MB. Free memory is still 162.8MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 459.61ms. Allocated memory is still 185.6MB. Free memory was 160.4MB in the beginning and 141.5MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 53.50ms. Allocated memory is still 185.6MB. Free memory was 141.5MB in the beginning and 139.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 34.33ms. Allocated memory is still 185.6MB. Free memory was 139.4MB in the beginning and 137.9MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 435.59ms. Allocated memory is still 185.6MB. Free memory was 137.9MB in the beginning and 124.7MB in the end (delta: 13.1MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. * TraceAbstraction took 3067.38ms. Allocated memory was 185.6MB in the beginning and 241.2MB in the end (delta: 55.6MB). Free memory was 124.2MB in the beginning and 168.4MB in the end (delta: -44.2MB). Peak memory consumption was 12.4MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2.7s, 56 PlacesBefore, 14 PlacesAfterwards, 52 TransitionsBefore, 10 TransitionsAfterwards, 252 CoEnabledTransitionPairs, 3 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 27 TrivialYvCompositions, 18 ConcurrentYvCompositions, 0 ChoiceCompositions, 45 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 207, independent: 180, independent conditional: 180, independent unconditional: 0, dependent: 27, dependent conditional: 27, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 207, independent: 180, independent conditional: 0, independent unconditional: 180, dependent: 27, dependent conditional: 0, dependent unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 207, independent: 180, independent conditional: 0, independent unconditional: 180, dependent: 27, dependent conditional: 0, dependent unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 207, independent: 180, independent conditional: 0, independent unconditional: 180, dependent: 27, dependent conditional: 0, dependent unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 176, independent: 159, independent conditional: 0, independent unconditional: 159, dependent: 17, dependent conditional: 0, dependent unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 176, independent: 149, independent conditional: 0, independent unconditional: 149, dependent: 27, dependent conditional: 0, dependent unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 27, independent: 10, independent conditional: 0, independent unconditional: 10, dependent: 17, dependent conditional: 0, dependent unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 76, independent: 37, independent conditional: 0, independent unconditional: 37, dependent: 40, dependent conditional: 0, dependent unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 207, independent: 21, independent conditional: 0, independent unconditional: 21, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 176, unknown conditional: 0, unknown unconditional: 176] , Statistics on independence cache: Total cache size (in pairs): 281, Positive cache size: 264, Positive conditional cache size: 0, Positive unconditional cache size: 264, Negative cache size: 17, Negative conditional cache size: 0, Negative unconditional cache size: 17, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1 - CounterExampleResult [Line: 19]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L681] 0 int glob1 = 0; [L682] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L683] 0 pthread_mutex_t mutex2 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L696] 0 pthread_t id; [L697] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [arg={0:0}, glob1=0, id={5:0}, mutex1={3:0}, mutex2={4:0}, pthread_create(&id, ((void *)0), t_fun, ((void *)0))=-1] [L699] CALL 0 __VERIFIER_assert(!(glob1 == 0)) [L19] COND TRUE 0 !(cond) [L19] 0 reach_error() VAL [\old(cond)=0, arg={0:0}, cond=0, glob1=0, mutex1={3:0}, mutex2={4:0}] - UnprovableResult [Line: 697]: 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, 81 locations, 2 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: 3.0s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 2.8s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=23occurred 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, 4 NumberOfCodeBlocks, 4 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! [2022-12-06 07:07:56,068 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...