/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-RepeatedSemanticLbe.epf -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 0.2.2-wip.dk.repeated-lipton-a802222-m [2022-12-13 01:15:59,167 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 01:15:59,169 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 01:15:59,199 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 01:15:59,200 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 01:15:59,202 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 01:15:59,204 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 01:15:59,207 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 01:15:59,210 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 01:15:59,214 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 01:15:59,214 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 01:15:59,223 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 01:15:59,224 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 01:15:59,226 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 01:15:59,226 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 01:15:59,229 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 01:15:59,229 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 01:15:59,230 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 01:15:59,232 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 01:15:59,237 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 01:15:59,238 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 01:15:59,238 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 01:15:59,239 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 01:15:59,240 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 01:15:59,245 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 01:15:59,245 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 01:15:59,245 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 01:15:59,246 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 01:15:59,247 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 01:15:59,247 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 01:15:59,247 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 01:15:59,249 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 01:15:59,250 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 01:15:59,250 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 01:15:59,251 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 01:15:59,251 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 01:15:59,251 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 01:15:59,251 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 01:15:59,251 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 01:15:59,252 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 01:15:59,252 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 01:15:59,253 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-RepeatedSemanticLbe.epf [2022-12-13 01:15:59,277 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 01:15:59,277 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 01:15:59,279 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 01:15:59,279 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 01:15:59,279 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 01:15:59,279 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 01:15:59,279 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 01:15:59,280 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 01:15:59,280 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 01:15:59,280 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 01:15:59,280 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 01:15:59,280 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 01:15:59,281 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 01:15:59,281 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 01:15:59,281 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 01:15:59,281 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 01:15:59,281 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 01:15:59,281 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 01:15:59,281 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 01:15:59,281 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-12-13 01:15:59,281 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 01:15:59,281 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 01:15:59,282 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 01:15:59,282 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 01:15:59,282 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 01:15:59,282 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 01:15:59,282 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 01:15:59,282 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=REPEATED_LIPTON_PN [2022-12-13 01:15:59,282 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-12-13 01:15:59,585 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 01:15:59,606 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 01:15:59,608 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 01:15:59,609 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 01:15:59,609 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 01:15:59,610 INFO L432 ainManager$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 [2022-12-13 01:16:00,595 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 01:16:00,796 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 01:16:00,797 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_67-pthread_cond_wait_unknown_1_neg.i [2022-12-13 01:16:00,810 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e7f342b72/3984bab599b24b50ba4581c5b09f5b69/FLAG351a7d202 [2022-12-13 01:16:00,819 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e7f342b72/3984bab599b24b50ba4581c5b09f5b69 [2022-12-13 01:16:00,821 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 01:16:00,822 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-12-13 01:16:00,823 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 01:16:00,823 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 01:16:00,825 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 01:16:00,825 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 01:16:00" (1/1) ... [2022-12-13 01:16:00,826 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1eb86cf7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:16:00, skipping insertion in model container [2022-12-13 01:16:00,826 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 01:16:00" (1/1) ... [2022-12-13 01:16:00,831 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 01:16:00,865 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 01:16:00,989 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_unknown_1_neg.i[1103,1116] [2022-12-13 01:16:01,294 WARN L623 FunctionHandler]: Unknown extern function sleep [2022-12-13 01:16:01,296 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 01:16:01,308 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 01:16:01,318 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_unknown_1_neg.i[1103,1116] [2022-12-13 01:16:01,360 WARN L623 FunctionHandler]: Unknown extern function sleep [2022-12-13 01:16:01,365 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 01:16:01,421 INFO L208 MainTranslator]: Completed translation [2022-12-13 01:16:01,421 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:16:01 WrapperNode [2022-12-13 01:16:01,421 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 01:16:01,422 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 01:16:01,422 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 01:16:01,422 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 01:16:01,427 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:16:01" (1/1) ... [2022-12-13 01:16:01,455 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:16:01" (1/1) ... [2022-12-13 01:16:01,483 INFO L138 Inliner]: procedures = 354, calls = 38, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 74 [2022-12-13 01:16:01,483 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 01:16:01,484 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 01:16:01,484 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 01:16:01,484 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 01:16:01,490 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:16:01" (1/1) ... [2022-12-13 01:16:01,490 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:16:01" (1/1) ... [2022-12-13 01:16:01,501 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:16:01" (1/1) ... [2022-12-13 01:16:01,502 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:16:01" (1/1) ... [2022-12-13 01:16:01,522 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:16:01" (1/1) ... [2022-12-13 01:16:01,523 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:16:01" (1/1) ... [2022-12-13 01:16:01,526 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:16:01" (1/1) ... [2022-12-13 01:16:01,527 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:16:01" (1/1) ... [2022-12-13 01:16:01,530 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 01:16:01,530 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 01:16:01,530 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 01:16:01,530 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 01:16:01,531 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:16:01" (1/1) ... [2022-12-13 01:16:01,535 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 01:16:01,544 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-13 01:16:01,570 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) [2022-12-13 01:16:01,586 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 [2022-12-13 01:16:01,602 INFO L130 BoogieDeclarations]: Found specification of procedure sleep [2022-12-13 01:16:01,602 INFO L130 BoogieDeclarations]: Found specification of procedure f1 [2022-12-13 01:16:01,602 INFO L138 BoogieDeclarations]: Found implementation of procedure f1 [2022-12-13 01:16:01,602 INFO L130 BoogieDeclarations]: Found specification of procedure f2 [2022-12-13 01:16:01,603 INFO L138 BoogieDeclarations]: Found implementation of procedure f2 [2022-12-13 01:16:01,603 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 01:16:01,603 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 01:16:01,603 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-13 01:16:01,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 01:16:01,603 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-12-13 01:16:01,603 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 01:16:01,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 01:16:01,603 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 01:16:01,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 01:16:01,604 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2022-12-13 01:16:01,874 INFO L236 CfgBuilder]: Building ICFG [2022-12-13 01:16:01,875 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 01:16:01,991 INFO L277 CfgBuilder]: Performing block encoding [2022-12-13 01:16:01,996 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 01:16:01,996 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 01:16:01,997 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 01:16:01 BoogieIcfgContainer [2022-12-13 01:16:01,997 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 01:16:01,999 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 01:16:01,999 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 01:16:02,002 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 01:16:02,002 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 01:16:00" (1/3) ... [2022-12-13 01:16:02,002 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@578cc34a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 01:16:02, skipping insertion in model container [2022-12-13 01:16:02,002 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:16:01" (2/3) ... [2022-12-13 01:16:02,003 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@578cc34a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 01:16:02, skipping insertion in model container [2022-12-13 01:16:02,003 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 01:16:01" (3/3) ... [2022-12-13 01:16:02,004 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_67-pthread_cond_wait_unknown_1_neg.i [2022-12-13 01:16:02,016 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 01:16:02,017 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-13 01:16:02,017 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-13 01:16:02,055 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-12-13 01:16:02,104 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 94 places, 88 transitions, 192 flow [2022-12-13 01:16:02,134 INFO L130 PetriNetUnfolder]: 1/86 cut-off events. [2022-12-13 01:16:02,134 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-12-13 01:16:02,137 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. [2022-12-13 01:16:02,138 INFO L82 GeneralOperation]: Start removeDead. Operand has 94 places, 88 transitions, 192 flow [2022-12-13 01:16:02,141 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 77 places, 70 transitions, 149 flow [2022-12-13 01:16:02,142 INFO L203 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-13 01:16:02,156 INFO L174 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 77 places, 70 transitions, 149 flow [2022-12-13 01:16:02,159 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 77 places, 70 transitions, 149 flow [2022-12-13 01:16:02,172 INFO L130 PetriNetUnfolder]: 0/70 cut-off events. [2022-12-13 01:16:02,172 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-12-13 01:16:02,173 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. [2022-12-13 01:16:02,174 INFO L222 LiptonReduction]: Starting Lipton reduction on Petri net that has 77 places, 70 transitions, 149 flow [2022-12-13 01:16:02,174 INFO L226 LiptonReduction]: Number of co-enabled transitions 552 [2022-12-13 01:16:05,487 INFO L241 LiptonReduction]: Total number of compositions: 59 [2022-12-13 01:16:05,510 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 01:16:05,529 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;@797ea1b0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, Conditionality=CONDITIONAL_DISJUNCTIVE, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-13 01:16:05,530 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-12-13 01:16:05,536 INFO L130 PetriNetUnfolder]: 0/20 cut-off events. [2022-12-13 01:16:05,536 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-12-13 01:16:05,536 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-13 01:16:05,537 INFO L214 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2022-12-13 01:16:05,537 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting f2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-13 01:16:05,542 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 01:16:05,542 INFO L85 PathProgramCache]: Analyzing trace with hash 341228257, now seen corresponding path program 1 times [2022-12-13 01:16:05,560 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 01:16:05,561 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [823731934] [2022-12-13 01:16:05,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 01:16:05,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 01:16:05,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 01:16:05,707 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 01:16:05,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 01:16:05,795 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 01:16:05,798 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-13 01:16:05,799 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location f2Err0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2022-12-13 01:16:05,800 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2022-12-13 01:16:05,801 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2022-12-13 01:16:05,801 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 4 remaining) [2022-12-13 01:16:05,801 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 01:16:05,802 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2022-12-13 01:16:05,807 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-13 01:16:05,808 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 01:16:05,832 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 01:16:05 BasicIcfg [2022-12-13 01:16:05,832 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 01:16:05,833 INFO L158 Benchmark]: Toolchain (without parser) took 5010.67ms. Allocated memory was 179.3MB in the beginning and 216.0MB in the end (delta: 36.7MB). Free memory was 153.6MB in the beginning and 183.9MB in the end (delta: -30.3MB). Peak memory consumption was 122.8MB. Max. memory is 8.0GB. [2022-12-13 01:16:05,836 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 179.3MB. Free memory is still 156.6MB. There was no memory consumed. Max. memory is 8.0GB. [2022-12-13 01:16:05,836 INFO L158 Benchmark]: CACSL2BoogieTranslator took 598.51ms. Allocated memory is still 179.3MB. Free memory was 153.6MB in the beginning and 115.8MB in the end (delta: 37.8MB). Peak memory consumption was 37.7MB. Max. memory is 8.0GB. [2022-12-13 01:16:05,837 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.62ms. Allocated memory is still 179.3MB. Free memory was 115.8MB in the beginning and 112.7MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-12-13 01:16:05,837 INFO L158 Benchmark]: Boogie Preprocessor took 45.76ms. Allocated memory is still 179.3MB. Free memory was 112.7MB in the beginning and 110.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-12-13 01:16:05,838 INFO L158 Benchmark]: RCFGBuilder took 467.28ms. Allocated memory is still 179.3MB. Free memory was 110.6MB in the beginning and 91.2MB in the end (delta: 19.4MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. [2022-12-13 01:16:05,839 INFO L158 Benchmark]: TraceAbstraction took 3832.85ms. Allocated memory was 179.3MB in the beginning and 216.0MB in the end (delta: 36.7MB). Free memory was 90.2MB in the beginning and 183.9MB in the end (delta: -93.7MB). Peak memory consumption was 59.9MB. Max. memory is 8.0GB. [2022-12-13 01:16:05,842 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 179.3MB. Free memory is still 156.6MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 598.51ms. Allocated memory is still 179.3MB. Free memory was 153.6MB in the beginning and 115.8MB in the end (delta: 37.8MB). Peak memory consumption was 37.7MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 61.62ms. Allocated memory is still 179.3MB. Free memory was 115.8MB in the beginning and 112.7MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 45.76ms. Allocated memory is still 179.3MB. Free memory was 112.7MB in the beginning and 110.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 467.28ms. Allocated memory is still 179.3MB. Free memory was 110.6MB in the beginning and 91.2MB in the end (delta: 19.4MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. * TraceAbstraction took 3832.85ms. Allocated memory was 179.3MB in the beginning and 216.0MB in the end (delta: 36.7MB). Free memory was 90.2MB in the beginning and 183.9MB in the end (delta: -93.7MB). Peak memory consumption was 59.9MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3.3s, 77 PlacesBefore, 31 PlacesAfterwards, 70 TransitionsBefore, 24 TransitionsAfterwards, 552 CoEnabledTransitionPairs, 3 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 34 TrivialYvCompositions, 25 ConcurrentYvCompositions, 0 ChoiceCompositions, 59 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 568, independent: 535, independent conditional: 535, independent unconditional: 0, dependent: 33, dependent conditional: 33, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 568, independent: 535, independent conditional: 0, independent unconditional: 535, dependent: 33, dependent conditional: 0, dependent unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 568, independent: 535, independent conditional: 0, independent unconditional: 535, dependent: 33, dependent conditional: 0, dependent unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 568, independent: 535, independent conditional: 0, independent unconditional: 535, dependent: 33, dependent conditional: 0, dependent unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 415, independent: 402, independent conditional: 0, independent unconditional: 402, dependent: 13, dependent conditional: 0, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 415, independent: 386, independent conditional: 0, independent unconditional: 386, dependent: 29, dependent conditional: 0, dependent unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 29, independent: 16, independent conditional: 0, independent unconditional: 16, dependent: 13, dependent conditional: 0, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 49, independent: 25, independent conditional: 0, independent unconditional: 25, dependent: 24, dependent conditional: 0, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 568, independent: 133, independent conditional: 0, independent unconditional: 133, dependent: 20, dependent conditional: 0, dependent unconditional: 20, unknown: 415, unknown conditional: 0, unknown unconditional: 415] , Statistics on independence cache: Total cache size (in pairs): 772, Positive cache size: 759, Positive conditional cache size: 0, Positive unconditional cache size: 759, Negative cache size: 13, Negative conditional cache size: 0, Negative unconditional cache size: 13, 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: [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)=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))=-2, ptr={0:0}, t1={6:0}, t2={5:0}] [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=0, mut={3:0}, pthread_create(&t2,((void *)0),f2,((void *)0))=-1, 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={4:0}, cond=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: 3.7s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 3.4s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=57occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 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! [2022-12-13 01:16:05,878 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...