/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/gemcutter/NewStatesSleepPersistentFixedOrder.epf --traceabstraction.partial.order.reduction.in.concurrent.analysis DPOR_SLEEP_NEW_STATES -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread/triangular-2.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-wip.dk.dpor-99e0210 [2023-03-23 20:52:11,373 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-03-23 20:52:11,375 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-03-23 20:52:11,415 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-03-23 20:52:11,415 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-03-23 20:52:11,418 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-03-23 20:52:11,422 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-03-23 20:52:11,424 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-03-23 20:52:11,426 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-03-23 20:52:11,430 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-03-23 20:52:11,432 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-03-23 20:52:11,434 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-03-23 20:52:11,434 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-03-23 20:52:11,437 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-03-23 20:52:11,439 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-03-23 20:52:11,440 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-03-23 20:52:11,441 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-03-23 20:52:11,442 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-03-23 20:52:11,444 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-03-23 20:52:11,449 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-03-23 20:52:11,451 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-03-23 20:52:11,452 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-03-23 20:52:11,453 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-03-23 20:52:11,455 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-03-23 20:52:11,465 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-03-23 20:52:11,466 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-03-23 20:52:11,466 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-03-23 20:52:11,468 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-03-23 20:52:11,468 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-03-23 20:52:11,469 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-03-23 20:52:11,469 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-03-23 20:52:11,469 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-03-23 20:52:11,471 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-03-23 20:52:11,472 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-03-23 20:52:11,472 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-03-23 20:52:11,472 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-03-23 20:52:11,473 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-03-23 20:52:11,473 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-03-23 20:52:11,473 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-03-23 20:52:11,474 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-03-23 20:52:11,475 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-03-23 20:52:11,476 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2023-03-23 20:52:11,505 INFO L113 SettingsManager]: Loading preferences was successful [2023-03-23 20:52:11,505 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-03-23 20:52:11,505 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-03-23 20:52:11,506 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-03-23 20:52:11,507 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-03-23 20:52:11,507 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-03-23 20:52:11,508 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-03-23 20:52:11,508 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-03-23 20:52:11,508 INFO L138 SettingsManager]: * Use SBE=true [2023-03-23 20:52:11,508 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-03-23 20:52:11,509 INFO L138 SettingsManager]: * sizeof long=4 [2023-03-23 20:52:11,510 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-03-23 20:52:11,510 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-03-23 20:52:11,510 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-03-23 20:52:11,510 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-03-23 20:52:11,510 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-03-23 20:52:11,510 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-03-23 20:52:11,511 INFO L138 SettingsManager]: * sizeof long double=12 [2023-03-23 20:52:11,511 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-03-23 20:52:11,511 INFO L138 SettingsManager]: * Use constant arrays=true [2023-03-23 20:52:11,511 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-03-23 20:52:11,511 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-03-23 20:52:11,511 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-03-23 20:52:11,511 INFO L138 SettingsManager]: * To the following directory=./dump/ [2023-03-23 20:52:11,512 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-03-23 20:52:11,512 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-23 20:52:11,512 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-03-23 20:52:11,512 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-03-23 20:52:11,513 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-03-23 20:52:11,513 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-03-23 20:52:11,513 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-03-23 20:52:11,513 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-03-23 20:52:11,513 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-03-23 20:52:11,514 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-03-23 20:52:11,514 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-03-23 20:52:11,514 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-03-23 20:52:11,514 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Partial Order Reduction in concurrent analysis -> DPOR_SLEEP_NEW_STATES [2023-03-23 20:52:11,759 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-03-23 20:52:11,790 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-03-23 20:52:11,793 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-03-23 20:52:11,794 INFO L271 PluginConnector]: Initializing CDTParser... [2023-03-23 20:52:11,794 INFO L275 PluginConnector]: CDTParser initialized [2023-03-23 20:52:11,796 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/triangular-2.i [2023-03-23 20:52:13,024 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-03-23 20:52:13,319 INFO L351 CDTParser]: Found 1 translation units. [2023-03-23 20:52:13,319 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/triangular-2.i [2023-03-23 20:52:13,335 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ff32b3ecf/6054f5fe108e48c3aa13957382c64b5f/FLAGfe58fec55 [2023-03-23 20:52:13,350 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ff32b3ecf/6054f5fe108e48c3aa13957382c64b5f [2023-03-23 20:52:13,352 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-03-23 20:52:13,353 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2023-03-23 20:52:13,354 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-03-23 20:52:13,355 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-03-23 20:52:13,358 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-03-23 20:52:13,358 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.03 08:52:13" (1/1) ... [2023-03-23 20:52:13,359 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1bd05763 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 08:52:13, skipping insertion in model container [2023-03-23 20:52:13,360 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.03 08:52:13" (1/1) ... [2023-03-23 20:52:13,370 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-03-23 20:52:13,408 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-03-23 20:52:13,764 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/triangular-2.i[30952,30965] [2023-03-23 20:52:13,770 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-23 20:52:13,780 INFO L203 MainTranslator]: Completed pre-run [2023-03-23 20:52:13,838 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/triangular-2.i[30952,30965] [2023-03-23 20:52:13,839 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-23 20:52:13,874 WARN L667 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-03-23 20:52:13,874 WARN L667 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-03-23 20:52:13,880 INFO L208 MainTranslator]: Completed translation [2023-03-23 20:52:13,881 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 08:52:13 WrapperNode [2023-03-23 20:52:13,881 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-03-23 20:52:13,882 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-03-23 20:52:13,882 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-03-23 20:52:13,882 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-03-23 20:52:13,888 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 08:52:13" (1/1) ... [2023-03-23 20:52:13,918 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 08:52:13" (1/1) ... [2023-03-23 20:52:13,938 INFO L138 Inliner]: procedures = 169, calls = 24, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 47 [2023-03-23 20:52:13,939 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-03-23 20:52:13,940 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-03-23 20:52:13,940 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-03-23 20:52:13,940 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-03-23 20:52:13,948 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 08:52:13" (1/1) ... [2023-03-23 20:52:13,948 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 08:52:13" (1/1) ... [2023-03-23 20:52:13,953 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 08:52:13" (1/1) ... [2023-03-23 20:52:13,954 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 08:52:13" (1/1) ... [2023-03-23 20:52:13,969 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 08:52:13" (1/1) ... [2023-03-23 20:52:13,972 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 08:52:13" (1/1) ... [2023-03-23 20:52:13,973 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 08:52:13" (1/1) ... [2023-03-23 20:52:13,974 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 08:52:13" (1/1) ... [2023-03-23 20:52:13,976 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-03-23 20:52:13,977 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-03-23 20:52:13,977 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-03-23 20:52:13,977 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-03-23 20:52:13,978 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 08:52:13" (1/1) ... [2023-03-23 20:52:13,988 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-23 20:52:13,998 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-23 20:52:14,018 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) [2023-03-23 20:52:14,027 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 [2023-03-23 20:52:14,057 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2023-03-23 20:52:14,057 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2023-03-23 20:52:14,057 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2023-03-23 20:52:14,057 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2023-03-23 20:52:14,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-03-23 20:52:14,057 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-03-23 20:52:14,058 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-03-23 20:52:14,058 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-03-23 20:52:14,058 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-03-23 20:52:14,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-03-23 20:52:14,058 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-03-23 20:52:14,058 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-03-23 20:52:14,058 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-03-23 20:52:14,059 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-03-23 20:52:14,156 INFO L236 CfgBuilder]: Building ICFG [2023-03-23 20:52:14,158 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-03-23 20:52:14,389 INFO L277 CfgBuilder]: Performing block encoding [2023-03-23 20:52:14,394 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-03-23 20:52:14,394 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-03-23 20:52:14,396 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.03 08:52:14 BoogieIcfgContainer [2023-03-23 20:52:14,396 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-03-23 20:52:14,398 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-03-23 20:52:14,399 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-03-23 20:52:14,401 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-03-23 20:52:14,402 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.03 08:52:13" (1/3) ... [2023-03-23 20:52:14,402 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1834d626 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.03 08:52:14, skipping insertion in model container [2023-03-23 20:52:14,402 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 08:52:13" (2/3) ... [2023-03-23 20:52:14,403 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1834d626 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.03 08:52:14, skipping insertion in model container [2023-03-23 20:52:14,403 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.03 08:52:14" (3/3) ... [2023-03-23 20:52:14,404 INFO L112 eAbstractionObserver]: Analyzing ICFG triangular-2.i [2023-03-23 20:52:14,413 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-03-23 20:52:14,422 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-03-23 20:52:14,422 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-03-23 20:52:14,423 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-03-23 20:52:14,481 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-03-23 20:52:14,515 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-03-23 20:52:14,515 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-03-23 20:52:14,516 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-23 20:52:14,525 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2023-03-23 20:52:14,527 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2023-03-23 20:52:14,566 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-03-23 20:52:14,574 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2023-03-23 20:52:14,581 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=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, 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;@2edc9aa8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-03-23 20:52:14,582 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2023-03-23 20:52:14,659 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-03-23 20:52:14,664 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-23 20:52:14,664 INFO L85 PathProgramCache]: Analyzing trace with hash -869864902, now seen corresponding path program 1 times [2023-03-23 20:52:14,671 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-23 20:52:14,671 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1413887140] [2023-03-23 20:52:14,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-23 20:52:14,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-23 20:52:14,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-23 20:52:15,243 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-23 20:52:15,244 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-23 20:52:15,244 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1413887140] [2023-03-23 20:52:15,244 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1413887140] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-23 20:52:15,245 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-23 20:52:15,245 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-03-23 20:52:15,246 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2130702344] [2023-03-23 20:52:15,247 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-23 20:52:15,252 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-03-23 20:52:15,253 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-23 20:52:15,275 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-03-23 20:52:15,276 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-03-23 20:52:15,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 20:52:15,278 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-03-23 20:52:15,279 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.333333333333333) internal successors, (32), 6 states have internal predecessors, (32), 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) [2023-03-23 20:52:15,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 20:52:15,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-03-23 20:52:15,384 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2023-03-23 20:52:15,385 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2023-03-23 20:52:15,385 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2023-03-23 20:52:15,386 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-03-23 20:52:15,390 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-03-23 20:52:15,393 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-03-23 20:52:15,393 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-03-23 20:52:15,396 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.03 08:52:15 BasicIcfg [2023-03-23 20:52:15,396 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-03-23 20:52:15,397 INFO L158 Benchmark]: Toolchain (without parser) took 2043.42ms. Allocated memory is still 272.6MB. Free memory was 233.2MB in the beginning and 210.4MB in the end (delta: 22.8MB). Peak memory consumption was 23.8MB. Max. memory is 8.0GB. [2023-03-23 20:52:15,397 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 186.6MB. Free memory is still 134.6MB. There was no memory consumed. Max. memory is 8.0GB. [2023-03-23 20:52:15,398 INFO L158 Benchmark]: CACSL2BoogieTranslator took 526.68ms. Allocated memory is still 272.6MB. Free memory was 233.2MB in the beginning and 213.8MB in the end (delta: 19.4MB). Peak memory consumption was 19.9MB. Max. memory is 8.0GB. [2023-03-23 20:52:15,398 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.13ms. Allocated memory is still 272.6MB. Free memory was 213.8MB in the beginning and 212.2MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2023-03-23 20:52:15,399 INFO L158 Benchmark]: Boogie Preprocessor took 36.52ms. Allocated memory is still 272.6MB. Free memory was 211.7MB in the beginning and 210.7MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2023-03-23 20:52:15,399 INFO L158 Benchmark]: RCFGBuilder took 419.53ms. Allocated memory is still 272.6MB. Free memory was 210.7MB in the beginning and 198.1MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2023-03-23 20:52:15,399 INFO L158 Benchmark]: TraceAbstraction took 997.97ms. Allocated memory is still 272.6MB. Free memory was 197.5MB in the beginning and 210.4MB in the end (delta: -12.9MB). There was no memory consumed. Max. memory is 8.0GB. [2023-03-23 20:52:15,402 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 186.6MB. Free memory is still 134.6MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 526.68ms. Allocated memory is still 272.6MB. Free memory was 233.2MB in the beginning and 213.8MB in the end (delta: 19.4MB). Peak memory consumption was 19.9MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 57.13ms. Allocated memory is still 272.6MB. Free memory was 213.8MB in the beginning and 212.2MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 36.52ms. Allocated memory is still 272.6MB. Free memory was 211.7MB in the beginning and 210.7MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 419.53ms. Allocated memory is still 272.6MB. Free memory was 210.7MB in the beginning and 198.1MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * TraceAbstraction took 997.97ms. Allocated memory is still 272.6MB. Free memory was 197.5MB in the beginning and 210.4MB in the end (delta: -12.9MB). There was no memory consumed. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1077, independent: 116, independent conditional: 56, independent unconditional: 60, dependent: 961, dependent conditional: 0, dependent unconditional: 961, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 116, independent: 116, independent conditional: 56, independent unconditional: 60, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 116, independent: 116, independent conditional: 56, independent unconditional: 60, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 116, independent: 116, independent conditional: 0, independent unconditional: 116, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 116, independent: 116, independent conditional: 0, independent unconditional: 116, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 116, independent: 116, independent conditional: 0, independent unconditional: 116, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 88, independent: 88, independent conditional: 0, independent unconditional: 88, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 88, independent: 86, independent conditional: 0, independent unconditional: 86, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 2, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 2, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 41, independent: 41, independent conditional: 0, independent unconditional: 41, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 116, independent: 28, independent conditional: 0, independent unconditional: 28, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 88, unknown conditional: 0, unknown unconditional: 88] , Statistics on independence cache: Total cache size (in pairs): 88, Positive cache size: 88, Positive conditional cache size: 0, Positive unconditional cache size: 88, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 961 - PositiveResult [Line: 722]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 84 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.2s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 6, 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, 0.4s InterpolantComputationTime, 32 NumberOfCodeBlocks, 32 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 31 ConstructedInterpolants, 0 QuantifiedInterpolants, 165 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-03-23 20:52:15,421 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2023-03-23 20:52:15,622 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...