/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/weaver/chl-collitem-trans.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-wip.dk.dpor-99e0210 [2023-03-23 21:14:21,374 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-03-23 21:14:21,375 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-03-23 21:14:21,397 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-03-23 21:14:21,397 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-03-23 21:14:21,398 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-03-23 21:14:21,399 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-03-23 21:14:21,401 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-03-23 21:14:21,402 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-03-23 21:14:21,403 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-03-23 21:14:21,404 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-03-23 21:14:21,405 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-03-23 21:14:21,405 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-03-23 21:14:21,406 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-03-23 21:14:21,407 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-03-23 21:14:21,408 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-03-23 21:14:21,409 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-03-23 21:14:21,409 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-03-23 21:14:21,411 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-03-23 21:14:21,412 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-03-23 21:14:21,413 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-03-23 21:14:21,414 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-03-23 21:14:21,415 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-03-23 21:14:21,416 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-03-23 21:14:21,418 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-03-23 21:14:21,419 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-03-23 21:14:21,419 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-03-23 21:14:21,420 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-03-23 21:14:21,420 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-03-23 21:14:21,421 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-03-23 21:14:21,421 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-03-23 21:14:21,422 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-03-23 21:14:21,422 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-03-23 21:14:21,423 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-03-23 21:14:21,424 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-03-23 21:14:21,424 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-03-23 21:14:21,425 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-03-23 21:14:21,425 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-03-23 21:14:21,425 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-03-23 21:14:21,426 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-03-23 21:14:21,426 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-03-23 21:14:21,427 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2023-03-23 21:14:21,445 INFO L113 SettingsManager]: Loading preferences was successful [2023-03-23 21:14:21,445 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-03-23 21:14:21,446 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-03-23 21:14:21,446 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-03-23 21:14:21,446 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-03-23 21:14:21,447 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-03-23 21:14:21,447 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-03-23 21:14:21,447 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-03-23 21:14:21,447 INFO L138 SettingsManager]: * Use SBE=true [2023-03-23 21:14:21,448 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-03-23 21:14:21,448 INFO L138 SettingsManager]: * sizeof long=4 [2023-03-23 21:14:21,448 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-03-23 21:14:21,448 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-03-23 21:14:21,448 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-03-23 21:14:21,448 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-03-23 21:14:21,449 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-03-23 21:14:21,449 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-03-23 21:14:21,449 INFO L138 SettingsManager]: * sizeof long double=12 [2023-03-23 21:14:21,449 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-03-23 21:14:21,449 INFO L138 SettingsManager]: * Use constant arrays=true [2023-03-23 21:14:21,449 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-03-23 21:14:21,450 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-03-23 21:14:21,450 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-03-23 21:14:21,450 INFO L138 SettingsManager]: * To the following directory=./dump/ [2023-03-23 21:14:21,450 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-03-23 21:14:21,450 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-23 21:14:21,450 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-03-23 21:14:21,451 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-03-23 21:14:21,451 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-03-23 21:14:21,451 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-03-23 21:14:21,451 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-03-23 21:14:21,451 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-03-23 21:14:21,451 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-03-23 21:14:21,451 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-03-23 21:14:21,452 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-03-23 21:14:21,452 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-03-23 21:14:21,452 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Partial Order Reduction in concurrent analysis -> DPOR_SLEEP_NEW_STATES [2023-03-23 21:14:21,662 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-03-23 21:14:21,682 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-03-23 21:14:21,687 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-03-23 21:14:21,688 INFO L271 PluginConnector]: Initializing CDTParser... [2023-03-23 21:14:21,688 INFO L275 PluginConnector]: CDTParser initialized [2023-03-23 21:14:21,689 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/chl-collitem-trans.wvr.c [2023-03-23 21:14:22,826 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-03-23 21:14:23,012 INFO L351 CDTParser]: Found 1 translation units. [2023-03-23 21:14:23,013 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-collitem-trans.wvr.c [2023-03-23 21:14:23,018 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e60c1d4af/c4259730742d4b31b2211566ca0966a5/FLAG59c794c30 [2023-03-23 21:14:23,028 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e60c1d4af/c4259730742d4b31b2211566ca0966a5 [2023-03-23 21:14:23,030 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-03-23 21:14:23,031 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2023-03-23 21:14:23,032 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-03-23 21:14:23,032 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-03-23 21:14:23,043 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-03-23 21:14:23,043 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.03 09:14:23" (1/1) ... [2023-03-23 21:14:23,044 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19918dfa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 09:14:23, skipping insertion in model container [2023-03-23 21:14:23,045 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.03 09:14:23" (1/1) ... [2023-03-23 21:14:23,050 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-03-23 21:14:23,067 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-03-23 21:14:23,205 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-collitem-trans.wvr.c[3481,3494] [2023-03-23 21:14:23,211 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-23 21:14:23,221 INFO L203 MainTranslator]: Completed pre-run [2023-03-23 21:14:23,240 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-collitem-trans.wvr.c[3481,3494] [2023-03-23 21:14:23,242 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-23 21:14:23,248 WARN L667 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-03-23 21:14:23,249 WARN L667 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-03-23 21:14:23,254 INFO L208 MainTranslator]: Completed translation [2023-03-23 21:14:23,254 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 09:14:23 WrapperNode [2023-03-23 21:14:23,254 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-03-23 21:14:23,255 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-03-23 21:14:23,255 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-03-23 21:14:23,255 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-03-23 21:14:23,261 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 09:14:23" (1/1) ... [2023-03-23 21:14:23,267 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 09:14:23" (1/1) ... [2023-03-23 21:14:23,296 INFO L138 Inliner]: procedures = 23, calls = 45, calls flagged for inlining = 17, calls inlined = 39, statements flattened = 361 [2023-03-23 21:14:23,296 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-03-23 21:14:23,297 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-03-23 21:14:23,297 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-03-23 21:14:23,297 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-03-23 21:14:23,305 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 09:14:23" (1/1) ... [2023-03-23 21:14:23,305 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 09:14:23" (1/1) ... [2023-03-23 21:14:23,309 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 09:14:23" (1/1) ... [2023-03-23 21:14:23,309 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 09:14:23" (1/1) ... [2023-03-23 21:14:23,317 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 09:14:23" (1/1) ... [2023-03-23 21:14:23,320 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 09:14:23" (1/1) ... [2023-03-23 21:14:23,322 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 09:14:23" (1/1) ... [2023-03-23 21:14:23,324 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 09:14:23" (1/1) ... [2023-03-23 21:14:23,327 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-03-23 21:14:23,328 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-03-23 21:14:23,328 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-03-23 21:14:23,328 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-03-23 21:14:23,329 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 09:14:23" (1/1) ... [2023-03-23 21:14:23,334 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-23 21:14:23,345 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-23 21:14:23,362 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 21:14:23,385 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 21:14:23,410 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-03-23 21:14:23,410 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-03-23 21:14:23,410 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-03-23 21:14:23,410 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-03-23 21:14:23,410 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-03-23 21:14:23,410 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-03-23 21:14:23,411 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-03-23 21:14:23,411 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-03-23 21:14:23,411 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-03-23 21:14:23,411 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-03-23 21:14:23,411 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-03-23 21:14:23,411 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-03-23 21:14:23,411 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-03-23 21:14:23,411 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-03-23 21:14:23,411 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-03-23 21:14:23,412 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-03-23 21:14:23,413 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 21:14:23,497 INFO L236 CfgBuilder]: Building ICFG [2023-03-23 21:14:23,499 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-03-23 21:14:24,037 INFO L277 CfgBuilder]: Performing block encoding [2023-03-23 21:14:24,538 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-03-23 21:14:24,538 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-03-23 21:14:24,545 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.03 09:14:24 BoogieIcfgContainer [2023-03-23 21:14:24,545 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-03-23 21:14:24,549 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-03-23 21:14:24,549 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-03-23 21:14:24,551 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-03-23 21:14:24,552 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.03 09:14:23" (1/3) ... [2023-03-23 21:14:24,552 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ef97fff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.03 09:14:24, skipping insertion in model container [2023-03-23 21:14:24,552 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 09:14:23" (2/3) ... [2023-03-23 21:14:24,553 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ef97fff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.03 09:14:24, skipping insertion in model container [2023-03-23 21:14:24,553 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.03 09:14:24" (3/3) ... [2023-03-23 21:14:24,554 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-collitem-trans.wvr.c [2023-03-23 21:14:24,562 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-03-23 21:14:24,570 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-03-23 21:14:24,570 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-03-23 21:14:24,570 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-03-23 21:14:24,678 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-03-23 21:14:24,723 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-03-23 21:14:24,723 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-03-23 21:14:24,724 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-23 21:14:24,733 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 21:14:24,748 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 21:14:24,774 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-03-23 21:14:24,782 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2023-03-23 21:14:24,788 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;@2f1a1e0e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-03-23 21:14:24,788 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2023-03-23 21:14:26,741 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-03-23 21:14:26,745 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-23 21:14:26,745 INFO L85 PathProgramCache]: Analyzing trace with hash 680310943, now seen corresponding path program 1 times [2023-03-23 21:14:26,753 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-23 21:14:26,753 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [546330027] [2023-03-23 21:14:26,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-23 21:14:26,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-23 21:14:26,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-23 21:14:27,182 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 21:14:27,183 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-23 21:14:27,183 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [546330027] [2023-03-23 21:14:27,184 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [546330027] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-23 21:14:27,184 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-23 21:14:27,184 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-03-23 21:14:27,186 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1881484980] [2023-03-23 21:14:27,186 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-23 21:14:27,192 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-03-23 21:14:27,192 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-23 21:14:27,215 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-03-23 21:14:27,216 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-03-23 21:14:27,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:14:27,217 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-03-23 21:14:27,218 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 59.0) internal successors, (118), 2 states have internal predecessors, (118), 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 21:14:27,218 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:14:27,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:14:27,342 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-03-23 21:14:27,343 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-03-23 21:14:27,343 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-23 21:14:27,343 INFO L85 PathProgramCache]: Analyzing trace with hash 2100156525, now seen corresponding path program 1 times [2023-03-23 21:14:27,344 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-23 21:14:27,344 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1688300400] [2023-03-23 21:14:27,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-23 21:14:27,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-23 21:14:27,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-23 21:14:32,525 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 21:14:32,525 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-23 21:14:32,525 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1688300400] [2023-03-23 21:14:32,525 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1688300400] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-23 21:14:32,526 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-23 21:14:32,526 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-03-23 21:14:32,526 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1549481090] [2023-03-23 21:14:32,526 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-23 21:14:32,527 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-03-23 21:14:32,527 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-23 21:14:32,529 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-03-23 21:14:32,529 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-03-23 21:14:32,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:14:32,529 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-03-23 21:14:32,530 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.714285714285715) internal successors, (117), 7 states have internal predecessors, (117), 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 21:14:32,530 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:14:32,530 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:14:33,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:14:33,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-03-23 21:14:33,075 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2023-03-23 21:14:33,076 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2023-03-23 21:14:33,076 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2023-03-23 21:14:33,076 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2023-03-23 21:14:33,076 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-03-23 21:14:33,080 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-03-23 21:14:33,082 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-03-23 21:14:33,082 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-03-23 21:14:33,085 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.03 09:14:33 BasicIcfg [2023-03-23 21:14:33,085 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-03-23 21:14:33,086 INFO L158 Benchmark]: Toolchain (without parser) took 10054.02ms. Allocated memory was 271.6MB in the beginning and 532.7MB in the end (delta: 261.1MB). Free memory was 222.9MB in the beginning and 347.5MB in the end (delta: -124.6MB). Peak memory consumption was 137.8MB. Max. memory is 8.0GB. [2023-03-23 21:14:33,086 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 178.3MB. Free memory was 127.8MB in the beginning and 127.6MB in the end (delta: 150.3kB). There was no memory consumed. Max. memory is 8.0GB. [2023-03-23 21:14:33,086 INFO L158 Benchmark]: CACSL2BoogieTranslator took 222.15ms. Allocated memory is still 271.6MB. Free memory was 222.6MB in the beginning and 211.1MB in the end (delta: 11.5MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2023-03-23 21:14:33,087 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.37ms. Allocated memory is still 271.6MB. Free memory was 210.7MB in the beginning and 207.9MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-03-23 21:14:33,087 INFO L158 Benchmark]: Boogie Preprocessor took 30.51ms. Allocated memory is still 271.6MB. Free memory was 207.9MB in the beginning and 205.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-03-23 21:14:33,088 INFO L158 Benchmark]: RCFGBuilder took 1217.33ms. Allocated memory is still 271.6MB. Free memory was 205.8MB in the beginning and 133.1MB in the end (delta: 72.7MB). Peak memory consumption was 73.8MB. Max. memory is 8.0GB. [2023-03-23 21:14:33,088 INFO L158 Benchmark]: TraceAbstraction took 8536.09ms. Allocated memory was 271.6MB in the beginning and 532.7MB in the end (delta: 261.1MB). Free memory was 132.6MB in the beginning and 347.5MB in the end (delta: -214.9MB). Peak memory consumption was 46.2MB. Max. memory is 8.0GB. [2023-03-23 21:14:33,090 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 178.3MB. Free memory was 127.8MB in the beginning and 127.6MB in the end (delta: 150.3kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 222.15ms. Allocated memory is still 271.6MB. Free memory was 222.6MB in the beginning and 211.1MB in the end (delta: 11.5MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 41.37ms. Allocated memory is still 271.6MB. Free memory was 210.7MB in the beginning and 207.9MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 30.51ms. Allocated memory is still 271.6MB. Free memory was 207.9MB in the beginning and 205.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 1217.33ms. Allocated memory is still 271.6MB. Free memory was 205.8MB in the beginning and 133.1MB in the end (delta: 72.7MB). Peak memory consumption was 73.8MB. Max. memory is 8.0GB. * TraceAbstraction took 8536.09ms. Allocated memory was 271.6MB in the beginning and 532.7MB in the end (delta: 261.1MB). Free memory was 132.6MB in the beginning and 347.5MB in the end (delta: -214.9MB). Peak memory consumption was 46.2MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 22127, independent: 5104, independent conditional: 213, independent unconditional: 4891, dependent: 17023, dependent conditional: 3, dependent unconditional: 17020, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5370, independent: 5104, independent conditional: 213, independent unconditional: 4891, dependent: 266, dependent conditional: 0, dependent unconditional: 266, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 5370, independent: 5104, independent conditional: 213, independent unconditional: 4891, dependent: 266, dependent conditional: 0, dependent unconditional: 266, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5370, independent: 5104, independent conditional: 0, independent unconditional: 5104, dependent: 266, dependent conditional: 0, dependent unconditional: 266, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 5370, independent: 5104, independent conditional: 0, independent unconditional: 5104, dependent: 266, dependent conditional: 0, dependent unconditional: 266, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 5370, independent: 5104, independent conditional: 0, independent unconditional: 5104, dependent: 266, dependent conditional: 0, dependent unconditional: 266, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1385, independent: 1319, independent conditional: 0, independent unconditional: 1319, dependent: 66, dependent conditional: 0, dependent unconditional: 66, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1385, independent: 1313, independent conditional: 0, independent unconditional: 1313, dependent: 72, dependent conditional: 0, dependent unconditional: 72, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 72, independent: 6, independent conditional: 0, independent unconditional: 6, dependent: 66, dependent conditional: 0, dependent unconditional: 66, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 72, independent: 6, independent conditional: 0, independent unconditional: 6, dependent: 66, dependent conditional: 0, dependent unconditional: 66, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1770, independent: 302, independent conditional: 0, independent unconditional: 302, dependent: 1468, dependent conditional: 0, dependent unconditional: 1468, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 5370, independent: 3785, independent conditional: 0, independent unconditional: 3785, dependent: 200, dependent conditional: 0, dependent unconditional: 200, unknown: 1385, unknown conditional: 0, unknown unconditional: 1385] , Statistics on independence cache: Total cache size (in pairs): 1385, Positive cache size: 1319, Positive conditional cache size: 0, Positive unconditional cache size: 1319, Negative cache size: 66, Negative conditional cache size: 0, Negative unconditional cache size: 66, 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: 16757 - PositiveResult [Line: 100]: 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 7 procedures, 147 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 8.3s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 2.6s, 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: 10, 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, 0.5s SatisfiabilityAnalysisTime, 4.9s InterpolantComputationTime, 235 NumberOfCodeBlocks, 235 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 233 ConstructedInterpolants, 0 QuantifiedInterpolants, 1345 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-03-23 21:14:33,112 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 21:14:33,313 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...