/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-NoLbe.epf --traceabstraction.use.on-demand.petri.net.difference true -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/goblint-regression/13-privatized_67-pthread_cond_wait_true.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.repeated-lipton-8d0d62b [2022-12-06 16:58:30,253 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-06 16:58:30,254 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-06 16:58:30,286 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-06 16:58:30,287 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-06 16:58:30,289 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-06 16:58:30,292 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-06 16:58:30,295 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-06 16:58:30,298 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-06 16:58:30,302 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-06 16:58:30,303 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-06 16:58:30,305 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-06 16:58:30,305 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-06 16:58:30,307 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-06 16:58:30,307 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-06 16:58:30,308 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-06 16:58:30,308 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-06 16:58:30,308 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-06 16:58:30,309 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-06 16:58:30,310 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-06 16:58:30,311 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-06 16:58:30,314 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-06 16:58:30,315 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-06 16:58:30,316 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-06 16:58:30,324 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-06 16:58:30,324 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-06 16:58:30,324 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-06 16:58:30,325 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-06 16:58:30,325 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-06 16:58:30,326 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-06 16:58:30,326 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-06 16:58:30,326 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-06 16:58:30,327 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-06 16:58:30,327 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-06 16:58:30,328 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-06 16:58:30,328 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-06 16:58:30,328 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-06 16:58:30,328 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-06 16:58:30,329 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-06 16:58:30,329 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-06 16:58:30,329 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-06 16:58:30,333 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-NoLbe.epf [2022-12-06 16:58:30,370 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-06 16:58:30,370 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-06 16:58:30,371 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-06 16:58:30,371 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-06 16:58:30,372 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-06 16:58:30,372 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-06 16:58:30,372 INFO L138 SettingsManager]: * Use SBE=true [2022-12-06 16:58:30,372 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-06 16:58:30,373 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-06 16:58:30,373 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-06 16:58:30,373 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-06 16:58:30,373 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-06 16:58:30,373 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-06 16:58:30,374 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-06 16:58:30,374 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-06 16:58:30,374 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-06 16:58:30,374 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-06 16:58:30,374 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-06 16:58:30,374 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-06 16:58:30,374 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-06 16:58:30,374 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-06 16:58:30,374 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-12-06 16:58:30,374 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-06 16:58:30,375 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-06 16:58:30,375 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-06 16:58:30,375 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-06 16:58:30,375 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-06 16:58:30,375 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-06 16:58:30,375 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-06 16:58:30,375 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-12-06 16:58:30,375 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-06 16:58:30,375 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use on-demand Petri net difference -> true [2022-12-06 16:58:30,616 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-06 16:58:30,663 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-06 16:58:30,665 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-06 16:58:30,665 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-06 16:58:30,666 INFO L275 PluginConnector]: CDTParser initialized [2022-12-06 16:58:30,667 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_67-pthread_cond_wait_true.i [2022-12-06 16:58:31,658 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-06 16:58:31,907 INFO L351 CDTParser]: Found 1 translation units. [2022-12-06 16:58:31,908 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_67-pthread_cond_wait_true.i [2022-12-06 16:58:31,942 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1ef91f307/bf24758f0ff548e4bdbebcc1624196e7/FLAGeb5bd8bd4 [2022-12-06 16:58:31,952 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1ef91f307/bf24758f0ff548e4bdbebcc1624196e7 [2022-12-06 16:58:31,954 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-06 16:58:31,955 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-12-06 16:58:31,956 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-06 16:58:31,956 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-06 16:58:31,958 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-06 16:58:31,958 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:58:31" (1/1) ... [2022-12-06 16:58:31,959 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@147c9876 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:58:31, skipping insertion in model container [2022-12-06 16:58:31,959 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:58:31" (1/1) ... [2022-12-06 16:58:31,964 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-06 16:58:32,006 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-06 16:58:32,115 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_67-pthread_cond_wait_true.i[1094,1107] [2022-12-06 16:58:32,359 WARN L623 FunctionHandler]: Unknown extern function sleep [2022-12-06 16:58:32,361 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-06 16:58:32,370 INFO L203 MainTranslator]: Completed pre-run [2022-12-06 16:58:32,377 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_67-pthread_cond_wait_true.i[1094,1107] [2022-12-06 16:58:32,396 WARN L623 FunctionHandler]: Unknown extern function sleep [2022-12-06 16:58:32,398 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-06 16:58:32,453 INFO L208 MainTranslator]: Completed translation [2022-12-06 16:58:32,453 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:58:32 WrapperNode [2022-12-06 16:58:32,453 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-06 16:58:32,454 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-06 16:58:32,454 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-06 16:58:32,455 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-06 16:58:32,460 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:58:32" (1/1) ... [2022-12-06 16:58:32,475 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:58:32" (1/1) ... [2022-12-06 16:58:32,504 INFO L138 Inliner]: procedures = 354, calls = 38, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 79 [2022-12-06 16:58:32,505 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-06 16:58:32,505 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-06 16:58:32,506 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-06 16:58:32,506 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-06 16:58:32,511 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:58:32" (1/1) ... [2022-12-06 16:58:32,511 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:58:32" (1/1) ... [2022-12-06 16:58:32,515 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:58:32" (1/1) ... [2022-12-06 16:58:32,515 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:58:32" (1/1) ... [2022-12-06 16:58:32,522 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:58:32" (1/1) ... [2022-12-06 16:58:32,524 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:58:32" (1/1) ... [2022-12-06 16:58:32,527 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:58:32" (1/1) ... [2022-12-06 16:58:32,529 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:58:32" (1/1) ... [2022-12-06 16:58:32,532 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-06 16:58:32,533 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-06 16:58:32,533 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-06 16:58:32,533 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-06 16:58:32,534 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:58:32" (1/1) ... [2022-12-06 16:58:32,538 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-06 16:58:32,547 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-06 16:58:32,558 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 16:58:32,584 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 16:58:32,598 INFO L130 BoogieDeclarations]: Found specification of procedure sleep [2022-12-06 16:58:32,598 INFO L130 BoogieDeclarations]: Found specification of procedure f1 [2022-12-06 16:58:32,598 INFO L138 BoogieDeclarations]: Found implementation of procedure f1 [2022-12-06 16:58:32,598 INFO L130 BoogieDeclarations]: Found specification of procedure f2 [2022-12-06 16:58:32,598 INFO L138 BoogieDeclarations]: Found implementation of procedure f2 [2022-12-06 16:58:32,598 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-06 16:58:32,599 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-06 16:58:32,600 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-06 16:58:32,600 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-06 16:58:32,600 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-12-06 16:58:32,600 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-06 16:58:32,600 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-06 16:58:32,600 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-06 16:58:32,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-06 16:58:32,602 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 16:58:32,885 INFO L236 CfgBuilder]: Building ICFG [2022-12-06 16:58:32,886 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-06 16:58:32,982 INFO L277 CfgBuilder]: Performing block encoding [2022-12-06 16:58:32,987 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-06 16:58:32,987 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-06 16:58:32,989 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:58:32 BoogieIcfgContainer [2022-12-06 16:58:32,989 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-06 16:58:32,990 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-06 16:58:32,990 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-06 16:58:32,992 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-06 16:58:32,993 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.12 04:58:31" (1/3) ... [2022-12-06 16:58:32,993 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1061609 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 04:58:32, skipping insertion in model container [2022-12-06 16:58:32,993 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:58:32" (2/3) ... [2022-12-06 16:58:32,993 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1061609 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 04:58:32, skipping insertion in model container [2022-12-06 16:58:32,993 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:58:32" (3/3) ... [2022-12-06 16:58:32,995 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_67-pthread_cond_wait_true.i [2022-12-06 16:58:33,007 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-06 16:58:33,007 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-06 16:58:33,007 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-06 16:58:33,050 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-12-06 16:58:33,072 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 94 places, 88 transitions, 192 flow [2022-12-06 16:58:33,106 INFO L130 PetriNetUnfolder]: 1/86 cut-off events. [2022-12-06 16:58:33,106 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-12-06 16:58:33,109 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 55 event pairs, 0 based on Foata normal form. 0/84 useless extension candidates. Maximal degree in co-relation 65. Up to 2 conditions per place. [2022-12-06 16:58:33,109 INFO L82 GeneralOperation]: Start removeDead. Operand has 94 places, 88 transitions, 192 flow [2022-12-06 16:58:33,112 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 73 places, 66 transitions, 138 flow [2022-12-06 16:58:33,119 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-06 16:58:33,123 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;@3a65a7c8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, Conditionality=CONDITIONAL_DISJUNCTIVE, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-06 16:58:33,124 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-12-06 16:58:33,142 INFO L130 PetriNetUnfolder]: 0/62 cut-off events. [2022-12-06 16:58:33,142 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-06 16:58:33,142 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 16:58:33,143 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 16:58:33,143 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting f1Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-06 16:58:33,146 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 16:58:33,147 INFO L85 PathProgramCache]: Analyzing trace with hash -1389415946, now seen corresponding path program 1 times [2022-12-06 16:58:33,153 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 16:58:33,153 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [547827416] [2022-12-06 16:58:33,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 16:58:33,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 16:58:33,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 16:58:33,724 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 16:58:33,724 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 16:58:33,725 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [547827416] [2022-12-06 16:58:33,725 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [547827416] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 16:58:33,725 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 16:58:33,725 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-06 16:58:33,726 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1008296745] [2022-12-06 16:58:33,727 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 16:58:33,733 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-06 16:58:33,733 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 16:58:33,750 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-06 16:58:33,752 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-06 16:58:33,755 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 73 out of 88 [2022-12-06 16:58:33,758 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 73 places, 66 transitions, 138 flow. Second operand has 5 states, 5 states have (on average 74.4) internal successors, (372), 5 states have internal predecessors, (372), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 16:58:33,758 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 16:58:33,758 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 73 of 88 [2022-12-06 16:58:33,759 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 16:58:33,821 INFO L130 PetriNetUnfolder]: 6/108 cut-off events. [2022-12-06 16:58:33,822 INFO L131 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2022-12-06 16:58:33,822 INFO L83 FinitePrefix]: Finished finitePrefix Result has 154 conditions, 108 events. 6/108 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 220 event pairs, 0 based on Foata normal form. 4/112 useless extension candidates. Maximal degree in co-relation 110. Up to 10 conditions per place. [2022-12-06 16:58:33,823 INFO L137 encePairwiseOnDemand]: 83/88 looper letters, 8 selfloop transitions, 2 changer transitions 10/77 dead transitions. [2022-12-06 16:58:33,823 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 79 places, 77 transitions, 209 flow [2022-12-06 16:58:33,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-06 16:58:33,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2022-12-06 16:58:33,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 533 transitions. [2022-12-06 16:58:33,834 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.8652597402597403 [2022-12-06 16:58:33,836 INFO L294 CegarLoopForPetriNet]: 73 programPoint places, 6 predicate places. [2022-12-06 16:58:33,836 INFO L495 AbstractCegarLoop]: Abstraction has has 79 places, 77 transitions, 209 flow [2022-12-06 16:58:33,837 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 74.4) internal successors, (372), 5 states have internal predecessors, (372), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 16:58:33,837 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 16:58:33,837 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 16:58:33,837 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-06 16:58:33,837 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting f1Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-06 16:58:33,838 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 16:58:33,838 INFO L85 PathProgramCache]: Analyzing trace with hash -63406542, now seen corresponding path program 1 times [2022-12-06 16:58:33,838 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 16:58:33,838 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [22109944] [2022-12-06 16:58:33,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 16:58:33,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 16:58:33,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 16:58:34,164 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 16:58:34,165 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 16:58:34,165 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [22109944] [2022-12-06 16:58:34,165 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [22109944] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 16:58:34,165 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 16:58:34,166 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-06 16:58:34,166 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1972478024] [2022-12-06 16:58:34,166 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 16:58:34,168 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-06 16:58:34,168 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 16:58:34,169 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-06 16:58:34,169 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-06 16:58:34,170 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 61 out of 88 [2022-12-06 16:58:34,172 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 79 places, 77 transitions, 209 flow. Second operand has 6 states, 6 states have (on average 64.16666666666667) internal successors, (385), 6 states have internal predecessors, (385), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 16:58:34,172 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 16:58:34,173 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 61 of 88 [2022-12-06 16:58:34,173 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 16:58:34,283 INFO L130 PetriNetUnfolder]: 7/113 cut-off events. [2022-12-06 16:58:34,283 INFO L131 PetriNetUnfolder]: For 30/35 co-relation queries the response was YES. [2022-12-06 16:58:34,283 INFO L83 FinitePrefix]: Finished finitePrefix Result has 212 conditions, 113 events. 7/113 cut-off events. For 30/35 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 258 event pairs, 0 based on Foata normal form. 14/126 useless extension candidates. Maximal degree in co-relation 159. Up to 12 conditions per place. [2022-12-06 16:58:34,284 INFO L137 encePairwiseOnDemand]: 79/88 looper letters, 16 selfloop transitions, 7 changer transitions 8/77 dead transitions. [2022-12-06 16:58:34,284 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 83 places, 77 transitions, 273 flow [2022-12-06 16:58:34,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-06 16:58:34,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2022-12-06 16:58:34,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 465 transitions. [2022-12-06 16:58:34,291 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.7548701298701299 [2022-12-06 16:58:34,291 INFO L294 CegarLoopForPetriNet]: 73 programPoint places, 10 predicate places. [2022-12-06 16:58:34,292 INFO L495 AbstractCegarLoop]: Abstraction has has 83 places, 77 transitions, 273 flow [2022-12-06 16:58:34,292 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 64.16666666666667) internal successors, (385), 6 states have internal predecessors, (385), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 16:58:34,292 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 16:58:34,292 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 16:58:34,292 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-06 16:58:34,292 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting f1Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-06 16:58:34,293 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 16:58:34,293 INFO L85 PathProgramCache]: Analyzing trace with hash -1413352933, now seen corresponding path program 1 times [2022-12-06 16:58:34,293 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 16:58:34,293 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [299370851] [2022-12-06 16:58:34,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 16:58:34,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 16:58:34,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-06 16:58:34,337 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-06 16:58:34,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-06 16:58:34,416 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-06 16:58:34,416 INFO L373 BasicCegarLoop]: Counterexample is feasible [2022-12-06 16:58:34,417 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location f1Err0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2022-12-06 16:58:34,418 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2022-12-06 16:58:34,419 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2022-12-06 16:58:34,419 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location f1Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 4 remaining) [2022-12-06 16:58:34,419 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-06 16:58:34,421 INFO L458 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-12-06 16:58:34,425 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-06 16:58:34,425 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-06 16:58:34,471 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.12 04:58:34 BasicIcfg [2022-12-06 16:58:34,472 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-06 16:58:34,472 INFO L158 Benchmark]: Toolchain (without parser) took 2516.77ms. Allocated memory was 223.3MB in the beginning and 268.4MB in the end (delta: 45.1MB). Free memory was 196.9MB in the beginning and 233.0MB in the end (delta: -36.2MB). Peak memory consumption was 147.9MB. Max. memory is 8.0GB. [2022-12-06 16:58:34,472 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 223.3MB. Free memory is still 200.9MB. There was no memory consumed. Max. memory is 8.0GB. [2022-12-06 16:58:34,473 INFO L158 Benchmark]: CACSL2BoogieTranslator took 497.70ms. Allocated memory is still 223.3MB. Free memory was 196.4MB in the beginning and 158.7MB in the end (delta: 37.7MB). Peak memory consumption was 37.7MB. Max. memory is 8.0GB. [2022-12-06 16:58:34,473 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.70ms. Allocated memory is still 223.3MB. Free memory was 158.7MB in the beginning and 155.5MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-12-06 16:58:34,473 INFO L158 Benchmark]: Boogie Preprocessor took 27.10ms. Allocated memory is still 223.3MB. Free memory was 155.5MB in the beginning and 153.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-12-06 16:58:34,474 INFO L158 Benchmark]: RCFGBuilder took 455.92ms. Allocated memory is still 223.3MB. Free memory was 153.4MB in the beginning and 134.0MB in the end (delta: 19.4MB). Peak memory consumption was 19.9MB. Max. memory is 8.0GB. [2022-12-06 16:58:34,474 INFO L158 Benchmark]: TraceAbstraction took 1481.31ms. Allocated memory was 223.3MB in the beginning and 268.4MB in the end (delta: 45.1MB). Free memory was 133.5MB in the beginning and 233.0MB in the end (delta: -99.6MB). Peak memory consumption was 85.0MB. Max. memory is 8.0GB. [2022-12-06 16:58:34,476 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 223.3MB. Free memory is still 200.9MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 497.70ms. Allocated memory is still 223.3MB. Free memory was 196.4MB in the beginning and 158.7MB in the end (delta: 37.7MB). Peak memory consumption was 37.7MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 50.70ms. Allocated memory is still 223.3MB. Free memory was 158.7MB in the beginning and 155.5MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 27.10ms. Allocated memory is still 223.3MB. Free memory was 155.5MB in the beginning and 153.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 455.92ms. Allocated memory is still 223.3MB. Free memory was 153.4MB in the beginning and 134.0MB in the end (delta: 19.4MB). Peak memory consumption was 19.9MB. Max. memory is 8.0GB. * TraceAbstraction took 1481.31ms. Allocated memory was 223.3MB in the beginning and 268.4MB in the end (delta: 45.1MB). Free memory was 133.5MB in the beginning and 233.0MB in the end (delta: -99.6MB). Peak memory consumption was 85.0MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - 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; VAL [g=0] [L1352] 0 pthread_mutex_t mut = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; VAL [g=0, mut={3:0}] [L1353] 0 pthread_cond_t cond = { { {0}, {0}, {0, 0}, {0, 0}, 0, 0, {0, 0} } }; VAL [cond={4:0}, g=0, mut={3:0}] [L1373] 0 pthread_t t1; VAL [\old(argc)=1150, argc=1150, argv={1151:1152}, argv={1151:1152}, cond={4:0}, g=0, mut={3:0}, t1={6:0}] [L1374] 0 pthread_t t2; VAL [\old(argc)=1150, argc=1150, argv={1151:1152}, argv={1151:1152}, cond={4:0}, g=0, mut={3:0}, t1={6:0}, t2={5:0}] [L1375] FCALL, FORK 0 pthread_create(&t1,((void *)0),f1,((void *)0)) VAL [\old(argc)=1150, argc=1150, argv={1151:1152}, argv={1151:1152}, cond={4:0}, g=0, mut={3:0}, pthread_create(&t1,((void *)0),f1,((void *)0))=-1, t1={6:0}, t2={5:0}] [L1356] 1 g = 1 VAL [cond={4:0}, g=1, mut={3:0}, ptr={0:0}, ptr={0:0}] [L1377] FCALL, FORK 0 pthread_create(&t2,((void *)0),f2,((void *)0)) VAL [\old(argc)=1150, argc=1150, argv={1151:1152}, argv={1151:1152}, cond={4:0}, g=1, mut={3:0}, pthread_create(&t2,((void *)0),f2,((void *)0))=0, ptr={0:0}, t1={6:0}, t2={5:0}] [L1366] 2 g = 0 VAL [cond={4:0}, g=0, mut={3:0}, ptr={0:0}, ptr={0:0}] [L1358] CALL 1 __VERIFIER_assert(g == 1) [L19] COND TRUE 1 !(cond) VAL [\old(cond)=0, cond={4:0}, cond=0, g=0, mut={3:0}, ptr={0:0}, ptr={0:0}] [L19] 1 reach_error() VAL [\old(cond)=0, cond=0, cond={4:0}, g=0, mut={3:0}, ptr={0:0}, 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: 1.4s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 29 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 29 mSDsluCounter, 80 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 56 mSDsCounter, 6 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 69 IncrementalHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6 mSolverCounterUnsat, 24 mSDtfsCounter, 69 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 19 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=273occurred in iteration=2, InterpolantAutomatonStates: 14, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 169 NumberOfCodeBlocks, 169 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 106 ConstructedInterpolants, 0 QuantifiedInterpolants, 200 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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 16:58:34,508 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...