/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/13-privatized_67-pthread_cond_wait_unknown_1_neg.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-b8dbc81 [2023-01-28 07:43:43,423 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-01-28 07:43:43,425 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-01-28 07:43:43,467 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-01-28 07:43:43,467 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-01-28 07:43:43,468 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-01-28 07:43:43,468 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-01-28 07:43:43,469 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-01-28 07:43:43,470 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-01-28 07:43:43,471 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-01-28 07:43:43,471 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-01-28 07:43:43,472 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-01-28 07:43:43,472 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-01-28 07:43:43,475 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-01-28 07:43:43,475 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-01-28 07:43:43,476 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-01-28 07:43:43,477 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-01-28 07:43:43,477 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-01-28 07:43:43,479 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-01-28 07:43:43,480 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-01-28 07:43:43,485 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-01-28 07:43:43,488 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-01-28 07:43:43,490 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-01-28 07:43:43,492 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-01-28 07:43:43,500 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-01-28 07:43:43,500 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-01-28 07:43:43,500 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-01-28 07:43:43,501 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-01-28 07:43:43,501 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-01-28 07:43:43,502 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-01-28 07:43:43,502 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-01-28 07:43:43,503 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-01-28 07:43:43,503 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-01-28 07:43:43,504 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-01-28 07:43:43,504 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-01-28 07:43:43,505 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-01-28 07:43:43,505 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-01-28 07:43:43,505 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-01-28 07:43:43,505 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-01-28 07:43:43,506 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-01-28 07:43:43,506 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-01-28 07:43:43,512 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 07:43:43,540 INFO L113 SettingsManager]: Loading preferences was successful [2023-01-28 07:43:43,541 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-01-28 07:43:43,542 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-01-28 07:43:43,542 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-01-28 07:43:43,543 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-01-28 07:43:43,543 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-01-28 07:43:43,543 INFO L138 SettingsManager]: * Use SBE=true [2023-01-28 07:43:43,543 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-01-28 07:43:43,543 INFO L138 SettingsManager]: * sizeof long=4 [2023-01-28 07:43:43,543 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-01-28 07:43:43,544 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-01-28 07:43:43,544 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-01-28 07:43:43,544 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-01-28 07:43:43,544 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-01-28 07:43:43,544 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-01-28 07:43:43,544 INFO L138 SettingsManager]: * sizeof long double=12 [2023-01-28 07:43:43,545 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-01-28 07:43:43,545 INFO L138 SettingsManager]: * Use constant arrays=true [2023-01-28 07:43:43,545 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-01-28 07:43:43,545 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-01-28 07:43:43,545 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-01-28 07:43:43,545 INFO L138 SettingsManager]: * To the following directory=./dump/ [2023-01-28 07:43:43,545 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-01-28 07:43:43,545 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-01-28 07:43:43,545 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-01-28 07:43:43,546 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-01-28 07:43:43,546 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-01-28 07:43:43,546 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-01-28 07:43:43,546 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-01-28 07:43:43,546 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-01-28 07:43:43,546 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-01-28 07:43:43,547 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> AFTER [2023-01-28 07:43:43,753 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-01-28 07:43:43,768 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-01-28 07:43:43,770 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-01-28 07:43:43,771 INFO L271 PluginConnector]: Initializing CDTParser... [2023-01-28 07:43:43,771 INFO L275 PluginConnector]: CDTParser initialized [2023-01-28 07:43:43,772 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_67-pthread_cond_wait_unknown_1_neg.i [2023-01-28 07:43:44,653 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-01-28 07:43:44,886 INFO L351 CDTParser]: Found 1 translation units. [2023-01-28 07:43:44,886 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_67-pthread_cond_wait_unknown_1_neg.i [2023-01-28 07:43:44,898 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2a8c960b2/7709ffb09b864dd0b8684ea56132fbc5/FLAG38a4957a2 [2023-01-28 07:43:44,906 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2a8c960b2/7709ffb09b864dd0b8684ea56132fbc5 [2023-01-28 07:43:44,908 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-01-28 07:43:44,909 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2023-01-28 07:43:44,909 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-01-28 07:43:44,909 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-01-28 07:43:44,911 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-01-28 07:43:44,912 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.01 07:43:44" (1/1) ... [2023-01-28 07:43:44,912 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@745068c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 07:43:44, skipping insertion in model container [2023-01-28 07:43:44,912 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.01 07:43:44" (1/1) ... [2023-01-28 07:43:44,916 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-01-28 07:43:44,953 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-01-28 07:43:45,049 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/13-privatized_67-pthread_cond_wait_unknown_1_neg.i[1103,1116] [2023-01-28 07:43:45,253 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-01-28 07:43:45,264 INFO L203 MainTranslator]: Completed pre-run [2023-01-28 07:43:45,272 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/13-privatized_67-pthread_cond_wait_unknown_1_neg.i[1103,1116] [2023-01-28 07:43:45,309 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-01-28 07:43:45,360 WARN L667 CHandler]: The function sleep is called, but not defined or handled by StandardFunctionHandler. [2023-01-28 07:43:45,365 INFO L208 MainTranslator]: Completed translation [2023-01-28 07:43:45,365 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 07:43:45 WrapperNode [2023-01-28 07:43:45,365 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-01-28 07:43:45,366 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-01-28 07:43:45,366 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-01-28 07:43:45,366 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-01-28 07:43:45,371 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 07:43:45" (1/1) ... [2023-01-28 07:43:45,396 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 07:43:45" (1/1) ... [2023-01-28 07:43:45,421 INFO L138 Inliner]: procedures = 354, calls = 38, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 74 [2023-01-28 07:43:45,421 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-01-28 07:43:45,422 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-01-28 07:43:45,422 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-01-28 07:43:45,422 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-01-28 07:43:45,428 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 07:43:45" (1/1) ... [2023-01-28 07:43:45,428 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 07:43:45" (1/1) ... [2023-01-28 07:43:45,442 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 07:43:45" (1/1) ... [2023-01-28 07:43:45,442 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 07:43:45" (1/1) ... [2023-01-28 07:43:45,447 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 07:43:45" (1/1) ... [2023-01-28 07:43:45,449 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 07:43:45" (1/1) ... [2023-01-28 07:43:45,462 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 07:43:45" (1/1) ... [2023-01-28 07:43:45,463 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 07:43:45" (1/1) ... [2023-01-28 07:43:45,466 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-01-28 07:43:45,467 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-01-28 07:43:45,467 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-01-28 07:43:45,467 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-01-28 07:43:45,467 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 07:43:45" (1/1) ... [2023-01-28 07:43:45,480 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-01-28 07:43:45,498 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-28 07:43:45,511 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 07:43:45,533 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 07:43:45,537 INFO L130 BoogieDeclarations]: Found specification of procedure sleep [2023-01-28 07:43:45,537 INFO L130 BoogieDeclarations]: Found specification of procedure f1 [2023-01-28 07:43:45,537 INFO L138 BoogieDeclarations]: Found implementation of procedure f1 [2023-01-28 07:43:45,538 INFO L130 BoogieDeclarations]: Found specification of procedure f2 [2023-01-28 07:43:45,538 INFO L138 BoogieDeclarations]: Found implementation of procedure f2 [2023-01-28 07:43:45,538 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-01-28 07:43:45,538 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-01-28 07:43:45,538 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-01-28 07:43:45,539 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-01-28 07:43:45,539 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-01-28 07:43:45,539 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-01-28 07:43:45,539 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-01-28 07:43:45,539 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-01-28 07:43:45,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-01-28 07:43:45,540 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 07:43:45,852 INFO L236 CfgBuilder]: Building ICFG [2023-01-28 07:43:45,853 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-01-28 07:43:46,029 INFO L277 CfgBuilder]: Performing block encoding [2023-01-28 07:43:46,034 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-01-28 07:43:46,034 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-01-28 07:43:46,035 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.01 07:43:46 BoogieIcfgContainer [2023-01-28 07:43:46,035 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-01-28 07:43:46,037 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-01-28 07:43:46,037 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-01-28 07:43:46,039 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-01-28 07:43:46,039 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.01 07:43:44" (1/3) ... [2023-01-28 07:43:46,039 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4844a07 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.01 07:43:46, skipping insertion in model container [2023-01-28 07:43:46,039 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 07:43:45" (2/3) ... [2023-01-28 07:43:46,039 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4844a07 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.01 07:43:46, skipping insertion in model container [2023-01-28 07:43:46,040 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.01 07:43:46" (3/3) ... [2023-01-28 07:43:46,040 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_67-pthread_cond_wait_unknown_1_neg.i [2023-01-28 07:43:46,055 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-01-28 07:43:46,055 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-01-28 07:43:46,055 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-01-28 07:43:46,118 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-01-28 07:43:46,151 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 94 places, 88 transitions, 192 flow [2023-01-28 07:43:46,189 INFO L130 PetriNetUnfolder]: 1/86 cut-off events. [2023-01-28 07:43:46,189 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2023-01-28 07:43:46,193 INFO L83 FinitePrefix]: Finished finitePrefix Result has 95 conditions, 86 events. 1/86 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 54 event pairs, 0 based on Foata normal form. 0/84 useless extension candidates. Maximal degree in co-relation 40. Up to 2 conditions per place. [2023-01-28 07:43:46,193 INFO L82 GeneralOperation]: Start removeDead. Operand has 94 places, 88 transitions, 192 flow [2023-01-28 07:43:46,196 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 77 places, 70 transitions, 149 flow [2023-01-28 07:43:46,198 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-01-28 07:43:46,210 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 77 places, 70 transitions, 149 flow [2023-01-28 07:43:46,213 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 77 places, 70 transitions, 149 flow [2023-01-28 07:43:46,213 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 77 places, 70 transitions, 149 flow [2023-01-28 07:43:46,258 INFO L130 PetriNetUnfolder]: 0/70 cut-off events. [2023-01-28 07:43:46,258 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2023-01-28 07:43:46,258 INFO L83 FinitePrefix]: Finished finitePrefix Result has 78 conditions, 70 events. 0/70 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 40 event pairs, 0 based on Foata normal form. 0/70 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2023-01-28 07:43:46,259 INFO L119 LiptonReduction]: Number of co-enabled transitions 552 [2023-01-28 07:43:48,688 INFO L134 LiptonReduction]: Checked pairs total: 1004 [2023-01-28 07:43:48,689 INFO L136 LiptonReduction]: Total number of compositions: 55 [2023-01-28 07:43:48,699 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-01-28 07:43:48,704 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;@1431dbef, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-01-28 07:43:48,704 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2023-01-28 07:43:48,709 INFO L130 PetriNetUnfolder]: 0/10 cut-off events. [2023-01-28 07:43:48,709 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-01-28 07:43:48,709 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-01-28 07:43:48,709 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2023-01-28 07:43:48,710 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting f2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2023-01-28 07:43:48,714 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-01-28 07:43:48,714 INFO L85 PathProgramCache]: Analyzing trace with hash 112016611, now seen corresponding path program 1 times [2023-01-28 07:43:48,721 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-28 07:43:48,721 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [949956397] [2023-01-28 07:43:48,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-28 07:43:48,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-28 07:43:48,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-01-28 07:43:48,858 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-01-28 07:43:48,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-01-28 07:43:48,907 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-01-28 07:43:48,908 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-01-28 07:43:48,909 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location f2Err0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2023-01-28 07:43:48,910 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2023-01-28 07:43:48,911 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2023-01-28 07:43:48,911 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 4 remaining) [2023-01-28 07:43:48,911 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-01-28 07:43:48,911 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-01-28 07:43:48,919 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-01-28 07:43:48,920 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-01-28 07:43:48,941 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.01 07:43:48 BasicIcfg [2023-01-28 07:43:48,941 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-01-28 07:43:48,942 INFO L158 Benchmark]: Toolchain (without parser) took 4033.15ms. Allocated memory is still 417.3MB. Free memory was 384.3MB in the beginning and 245.9MB in the end (delta: 138.4MB). Peak memory consumption was 140.4MB. Max. memory is 16.0GB. [2023-01-28 07:43:48,942 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 255.9MB. Free memory is still 213.5MB. There was no memory consumed. Max. memory is 16.0GB. [2023-01-28 07:43:48,943 INFO L158 Benchmark]: CACSL2BoogieTranslator took 456.18ms. Allocated memory is still 417.3MB. Free memory was 384.3MB in the beginning and 346.5MB in the end (delta: 37.8MB). Peak memory consumption was 37.7MB. Max. memory is 16.0GB. [2023-01-28 07:43:48,946 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.51ms. Allocated memory is still 417.3MB. Free memory was 346.5MB in the beginning and 344.0MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.0GB. [2023-01-28 07:43:48,946 INFO L158 Benchmark]: Boogie Preprocessor took 44.14ms. Allocated memory is still 417.3MB. Free memory was 344.0MB in the beginning and 341.4MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.0GB. [2023-01-28 07:43:48,946 INFO L158 Benchmark]: RCFGBuilder took 568.73ms. Allocated memory is still 417.3MB. Free memory was 341.4MB in the beginning and 321.9MB in the end (delta: 19.5MB). Peak memory consumption was 21.0MB. Max. memory is 16.0GB. [2023-01-28 07:43:48,946 INFO L158 Benchmark]: TraceAbstraction took 2904.51ms. Allocated memory is still 417.3MB. Free memory was 320.9MB in the beginning and 245.9MB in the end (delta: 74.9MB). Peak memory consumption was 77.5MB. Max. memory is 16.0GB. [2023-01-28 07:43:48,948 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 213.5MB. There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 456.18ms. Allocated memory is still 417.3MB. Free memory was 384.3MB in the beginning and 346.5MB in the end (delta: 37.8MB). Peak memory consumption was 37.7MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 55.51ms. Allocated memory is still 417.3MB. Free memory was 346.5MB in the beginning and 344.0MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.0GB. * Boogie Preprocessor took 44.14ms. Allocated memory is still 417.3MB. Free memory was 344.0MB in the beginning and 341.4MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.0GB. * RCFGBuilder took 568.73ms. Allocated memory is still 417.3MB. Free memory was 341.4MB in the beginning and 321.9MB in the end (delta: 19.5MB). Peak memory consumption was 21.0MB. Max. memory is 16.0GB. * TraceAbstraction took 2904.51ms. Allocated memory is still 417.3MB. Free memory was 320.9MB in the beginning and 245.9MB in the end (delta: 74.9MB). Peak memory consumption was 77.5MB. Max. memory is 16.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2.5s, 77 PlacesBefore, 22 PlacesAfterwards, 70 TransitionsBefore, 15 TransitionsAfterwards, 552 CoEnabledTransitionPairs, 6 FixpointIterations, 34 TrivialSequentialCompositions, 21 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 55 TotalNumberOfCompositions, 1004 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 650, independent: 568, independent conditional: 0, independent unconditional: 568, dependent: 82, dependent conditional: 0, dependent unconditional: 82, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 305, independent: 286, independent conditional: 0, independent unconditional: 286, dependent: 19, dependent conditional: 0, dependent unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 650, independent: 282, independent conditional: 0, independent unconditional: 282, dependent: 63, dependent conditional: 0, dependent unconditional: 63, unknown: 305, unknown conditional: 0, unknown unconditional: 305] , Statistics on independence cache: Total cache size (in pairs): 35, Positive cache size: 29, Positive conditional cache size: 0, Positive unconditional cache size: 29, Negative cache size: 6, Negative conditional cache size: 0, Negative unconditional cache size: 6, 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: [L1351] 0 int g; [L1352] 0 pthread_mutex_t mut = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L1353] 0 pthread_cond_t cond = { { {0}, {0}, {0, 0}, {0, 0}, 0, 0, {0, 0} } }; [L1373] 0 pthread_t t1; [L1374] 0 pthread_t t2; [L1375] FCALL, FORK 0 pthread_create(&t1,((void *)0),f1,((void *)0)) VAL [\old(argc)=1152, argc=1152, argv={1150:1151}, argv={1150:1151}, cond={4:0}, g=0, mut={3:0}, pthread_create(&t1,((void *)0),f1,((void *)0))=-1, ptr={0:0}, t1={6:0}, t2={5:0}] [L1377] FCALL, FORK 0 pthread_create(&t2,((void *)0),f2,((void *)0)) VAL [\old(argc)=1152, argc=1152, argv={1150:1151}, argv={1150:1151}, cond={4:0}, g=0, mut={3:0}, pthread_create(&t2,((void *)0),f2,((void *)0))=0, ptr={0:0}, t1={6:0}, t2={5:0}] [L1365] CALL 2 __VERIFIER_assert(!(g == 0)) [L19] COND TRUE 2 !(cond) [L19] 2 reach_error() VAL [\old(cond)=0, cond=0, cond={4:0}, g=0, mut={3:0}, ptr={0:0}] - UnprovableResult [Line: 1375]: 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. - UnprovableResult [Line: 1377]: 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 5 procedures, 118 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: 2.8s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 2.6s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=39occurred 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, 6 NumberOfCodeBlocks, 6 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 07:43:48,965 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...