/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-NoLbe.epf --traceabstraction.use.on-demand.petri.net.difference true -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/safe022_tso.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.repeated-lipton-a802222-m [2022-12-11 21:04:14,293 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-11 21:04:14,295 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-11 21:04:14,349 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-11 21:04:14,350 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-11 21:04:14,352 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-11 21:04:14,354 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-11 21:04:14,358 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-11 21:04:14,361 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-11 21:04:14,365 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-11 21:04:14,366 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-11 21:04:14,367 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-11 21:04:14,367 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-11 21:04:14,369 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-11 21:04:14,370 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-11 21:04:14,371 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-11 21:04:14,372 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-11 21:04:14,372 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-11 21:04:14,374 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-11 21:04:14,380 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-11 21:04:14,381 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-11 21:04:14,382 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-11 21:04:14,383 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-11 21:04:14,384 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-11 21:04:14,389 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-11 21:04:14,389 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-11 21:04:14,390 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-11 21:04:14,391 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-11 21:04:14,391 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-11 21:04:14,392 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-11 21:04:14,392 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-11 21:04:14,393 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-11 21:04:14,394 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-11 21:04:14,394 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-11 21:04:14,395 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-11 21:04:14,395 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-11 21:04:14,395 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-11 21:04:14,395 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-11 21:04:14,396 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-11 21:04:14,396 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-11 21:04:14,397 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-11 21:04:14,397 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-NoLbe.epf [2022-12-11 21:04:14,422 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-11 21:04:14,422 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-11 21:04:14,424 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-11 21:04:14,424 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-11 21:04:14,424 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-11 21:04:14,425 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-11 21:04:14,425 INFO L138 SettingsManager]: * Use SBE=true [2022-12-11 21:04:14,425 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-11 21:04:14,425 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-11 21:04:14,425 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-11 21:04:14,426 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-11 21:04:14,426 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-11 21:04:14,426 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-11 21:04:14,426 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-11 21:04:14,426 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-11 21:04:14,426 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-11 21:04:14,426 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-11 21:04:14,426 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-11 21:04:14,427 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-11 21:04:14,427 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-11 21:04:14,427 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-11 21:04:14,427 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-12-11 21:04:14,427 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-11 21:04:14,427 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-11 21:04:14,427 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-11 21:04:14,427 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-11 21:04:14,427 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-11 21:04:14,428 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-12-11 21:04:14,428 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-11 21:04:14,428 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-11 21:04:14,428 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-11 21:04:14,428 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use on-demand Petri net difference -> true [2022-12-11 21:04:14,700 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-11 21:04:14,717 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-11 21:04:14,719 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-11 21:04:14,720 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-11 21:04:14,720 INFO L275 PluginConnector]: CDTParser initialized [2022-12-11 21:04:14,721 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe022_tso.i [2022-12-11 21:04:15,742 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-11 21:04:15,955 INFO L351 CDTParser]: Found 1 translation units. [2022-12-11 21:04:15,956 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe022_tso.i [2022-12-11 21:04:15,968 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/86505a4e7/67fa7b4980e6447d953ba00e86a55ce3/FLAGa908a4cd3 [2022-12-11 21:04:15,983 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/86505a4e7/67fa7b4980e6447d953ba00e86a55ce3 [2022-12-11 21:04:15,985 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-11 21:04:15,986 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-12-11 21:04:15,988 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-11 21:04:15,988 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-11 21:04:15,990 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-11 21:04:15,991 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.12 09:04:15" (1/1) ... [2022-12-11 21:04:15,992 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b49dfd0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 09:04:15, skipping insertion in model container [2022-12-11 21:04:15,992 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.12 09:04:15" (1/1) ... [2022-12-11 21:04:15,996 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-11 21:04:16,037 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-11 21:04:16,171 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe022_tso.i[945,958] [2022-12-11 21:04:16,281 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-11 21:04:16,283 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-11 21:04:16,283 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-11 21:04:16,283 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-11 21:04:16,283 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-11 21:04:16,284 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-11 21:04:16,284 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-11 21:04:16,284 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-11 21:04:16,285 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-11 21:04:16,285 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-11 21:04:16,285 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-11 21:04:16,285 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-11 21:04:16,285 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-11 21:04:16,285 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-11 21:04:16,286 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-11 21:04:16,286 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-11 21:04:16,290 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-11 21:04:16,291 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-11 21:04:16,291 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-11 21:04:16,292 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-11 21:04:16,292 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-11 21:04:16,294 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-11 21:04:16,294 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-11 21:04:16,301 INFO L203 MainTranslator]: Completed pre-run [2022-12-11 21:04:16,310 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe022_tso.i[945,958] [2022-12-11 21:04:16,334 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-11 21:04:16,334 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-11 21:04:16,335 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-11 21:04:16,335 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-11 21:04:16,337 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-11 21:04:16,337 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-11 21:04:16,337 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-11 21:04:16,337 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-11 21:04:16,338 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-11 21:04:16,338 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-11 21:04:16,338 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-11 21:04:16,338 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-11 21:04:16,338 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-11 21:04:16,338 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-11 21:04:16,339 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-11 21:04:16,339 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-11 21:04:16,342 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-11 21:04:16,342 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-11 21:04:16,342 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-11 21:04:16,343 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-11 21:04:16,343 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-11 21:04:16,343 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-11 21:04:16,347 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-11 21:04:16,375 INFO L208 MainTranslator]: Completed translation [2022-12-11 21:04:16,376 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 09:04:16 WrapperNode [2022-12-11 21:04:16,376 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-11 21:04:16,377 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-11 21:04:16,377 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-11 21:04:16,377 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-11 21:04:16,383 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 09:04:16" (1/1) ... [2022-12-11 21:04:16,397 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 09:04:16" (1/1) ... [2022-12-11 21:04:16,415 INFO L138 Inliner]: procedures = 175, calls = 40, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 59 [2022-12-11 21:04:16,416 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-11 21:04:16,416 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-11 21:04:16,417 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-11 21:04:16,417 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-11 21:04:16,423 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 09:04:16" (1/1) ... [2022-12-11 21:04:16,423 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 09:04:16" (1/1) ... [2022-12-11 21:04:16,434 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 09:04:16" (1/1) ... [2022-12-11 21:04:16,434 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 09:04:16" (1/1) ... [2022-12-11 21:04:16,437 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 09:04:16" (1/1) ... [2022-12-11 21:04:16,438 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 09:04:16" (1/1) ... [2022-12-11 21:04:16,439 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 09:04:16" (1/1) ... [2022-12-11 21:04:16,439 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 09:04:16" (1/1) ... [2022-12-11 21:04:16,441 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-11 21:04:16,441 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-11 21:04:16,442 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-11 21:04:16,442 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-11 21:04:16,442 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 09:04:16" (1/1) ... [2022-12-11 21:04:16,452 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-11 21:04:16,462 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-11 21:04:16,497 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) [2022-12-11 21:04:16,503 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 [2022-12-11 21:04:16,553 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-11 21:04:16,553 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-12-11 21:04:16,553 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-11 21:04:16,554 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-11 21:04:16,554 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-11 21:04:16,554 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2022-12-11 21:04:16,555 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2022-12-11 21:04:16,555 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2022-12-11 21:04:16,555 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2022-12-11 21:04:16,556 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-11 21:04:16,556 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-12-11 21:04:16,556 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-11 21:04:16,556 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-11 21:04:16,560 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2022-12-11 21:04:16,654 INFO L236 CfgBuilder]: Building ICFG [2022-12-11 21:04:16,656 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-11 21:04:16,753 INFO L277 CfgBuilder]: Performing block encoding [2022-12-11 21:04:16,757 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-11 21:04:16,758 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-11 21:04:16,759 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.12 09:04:16 BoogieIcfgContainer [2022-12-11 21:04:16,759 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-11 21:04:16,761 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-11 21:04:16,761 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-11 21:04:16,763 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-11 21:04:16,763 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.12 09:04:15" (1/3) ... [2022-12-11 21:04:16,763 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4294c188 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.12 09:04:16, skipping insertion in model container [2022-12-11 21:04:16,763 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 09:04:16" (2/3) ... [2022-12-11 21:04:16,764 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4294c188 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.12 09:04:16, skipping insertion in model container [2022-12-11 21:04:16,764 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.12 09:04:16" (3/3) ... [2022-12-11 21:04:16,765 INFO L112 eAbstractionObserver]: Analyzing ICFG safe022_tso.i [2022-12-11 21:04:16,777 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-11 21:04:16,777 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-11 21:04:16,777 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-11 21:04:16,825 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-12-11 21:04:16,848 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 73 places, 68 transitions, 146 flow [2022-12-11 21:04:16,907 INFO L130 PetriNetUnfolder]: 2/66 cut-off events. [2022-12-11 21:04:16,908 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-11 21:04:16,911 INFO L83 FinitePrefix]: Finished finitePrefix Result has 73 conditions, 66 events. 2/66 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 36 event pairs, 0 based on Foata normal form. 0/63 useless extension candidates. Maximal degree in co-relation 47. Up to 2 conditions per place. [2022-12-11 21:04:16,911 INFO L82 GeneralOperation]: Start removeDead. Operand has 73 places, 68 transitions, 146 flow [2022-12-11 21:04:16,913 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 62 places, 56 transitions, 118 flow [2022-12-11 21:04:16,928 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-11 21:04:16,933 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@3158dc04, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, Conditionality=CONDITIONAL_DISJUNCTIVE, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-11 21:04:16,934 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-12-11 21:04:16,961 INFO L130 PetriNetUnfolder]: 1/55 cut-off events. [2022-12-11 21:04:16,961 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-11 21:04:16,961 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-11 21:04:16,962 INFO L214 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-11 21:04:16,963 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-12-11 21:04:16,968 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-11 21:04:16,969 INFO L85 PathProgramCache]: Analyzing trace with hash 2141287464, now seen corresponding path program 1 times [2022-12-11 21:04:16,976 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-11 21:04:16,976 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1257812443] [2022-12-11 21:04:16,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-11 21:04:16,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-11 21:04:17,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-11 21:04:17,463 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-11 21:04:17,464 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-11 21:04:17,464 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1257812443] [2022-12-11 21:04:17,464 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1257812443] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-11 21:04:17,465 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-11 21:04:17,465 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-11 21:04:17,466 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1837513740] [2022-12-11 21:04:17,466 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-11 21:04:17,472 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-11 21:04:17,472 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-11 21:04:17,497 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-11 21:04:17,499 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-11 21:04:17,505 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 54 out of 68 [2022-12-11 21:04:17,509 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 62 places, 56 transitions, 118 flow. Second operand has 6 states, 6 states have (on average 55.5) internal successors, (333), 6 states have internal predecessors, (333), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-11 21:04:17,509 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-11 21:04:17,510 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 54 of 68 [2022-12-11 21:04:17,510 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-11 21:04:17,638 INFO L130 PetriNetUnfolder]: 3/70 cut-off events. [2022-12-11 21:04:17,638 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-12-11 21:04:17,638 INFO L83 FinitePrefix]: Finished finitePrefix Result has 99 conditions, 70 events. 3/70 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 74 event pairs, 0 based on Foata normal form. 4/73 useless extension candidates. Maximal degree in co-relation 69. Up to 7 conditions per place. [2022-12-11 21:04:17,639 INFO L137 encePairwiseOnDemand]: 61/68 looper letters, 8 selfloop transitions, 2 changer transitions 11/65 dead transitions. [2022-12-11 21:04:17,639 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 70 places, 65 transitions, 176 flow [2022-12-11 21:04:17,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-11 21:04:17,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2022-12-11 21:04:17,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 510 transitions. [2022-12-11 21:04:17,654 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.8333333333333334 [2022-12-11 21:04:17,659 INFO L295 CegarLoopForPetriNet]: 62 programPoint places, 8 predicate places. [2022-12-11 21:04:17,660 INFO L82 GeneralOperation]: Start removeDead. Operand has 70 places, 65 transitions, 176 flow [2022-12-11 21:04:17,666 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 63 places, 54 transitions, 134 flow [2022-12-11 21:04:17,667 INFO L495 AbstractCegarLoop]: Abstraction has has 63 places, 54 transitions, 134 flow [2022-12-11 21:04:17,668 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 55.5) internal successors, (333), 6 states have internal predecessors, (333), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-11 21:04:17,668 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-11 21:04:17,668 INFO L214 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-11 21:04:17,668 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-11 21:04:17,669 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-12-11 21:04:17,669 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-11 21:04:17,669 INFO L85 PathProgramCache]: Analyzing trace with hash 2088845481, now seen corresponding path program 1 times [2022-12-11 21:04:17,669 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-11 21:04:17,669 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2120946650] [2022-12-11 21:04:17,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-11 21:04:17,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-11 21:04:17,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-11 21:04:17,789 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-11 21:04:17,790 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-11 21:04:17,790 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2120946650] [2022-12-11 21:04:17,790 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2120946650] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-11 21:04:17,790 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-11 21:04:17,790 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-12-11 21:04:17,790 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1466586492] [2022-12-11 21:04:17,790 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-11 21:04:17,791 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-11 21:04:17,791 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-11 21:04:17,792 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-11 21:04:17,792 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-12-11 21:04:17,792 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 52 out of 68 [2022-12-11 21:04:17,793 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 63 places, 54 transitions, 134 flow. Second operand has 7 states, 7 states have (on average 53.57142857142857) internal successors, (375), 7 states have internal predecessors, (375), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-11 21:04:17,793 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-11 21:04:17,793 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 52 of 68 [2022-12-11 21:04:17,793 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-11 21:04:17,893 INFO L130 PetriNetUnfolder]: 5/80 cut-off events. [2022-12-11 21:04:17,893 INFO L131 PetriNetUnfolder]: For 16/23 co-relation queries the response was YES. [2022-12-11 21:04:17,894 INFO L83 FinitePrefix]: Finished finitePrefix Result has 139 conditions, 80 events. 5/80 cut-off events. For 16/23 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 126 event pairs, 0 based on Foata normal form. 2/82 useless extension candidates. Maximal degree in co-relation 104. Up to 16 conditions per place. [2022-12-11 21:04:17,894 INFO L137 encePairwiseOnDemand]: 60/68 looper letters, 9 selfloop transitions, 4 changer transitions 12/67 dead transitions. [2022-12-11 21:04:17,894 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 72 places, 67 transitions, 233 flow [2022-12-11 21:04:17,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-12-11 21:04:17,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2022-12-11 21:04:17,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 547 transitions. [2022-12-11 21:04:17,898 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.8044117647058824 [2022-12-11 21:04:17,898 INFO L295 CegarLoopForPetriNet]: 62 programPoint places, 10 predicate places. [2022-12-11 21:04:17,898 INFO L82 GeneralOperation]: Start removeDead. Operand has 72 places, 67 transitions, 233 flow [2022-12-11 21:04:17,900 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 66 places, 55 transitions, 167 flow [2022-12-11 21:04:17,900 INFO L495 AbstractCegarLoop]: Abstraction has has 66 places, 55 transitions, 167 flow [2022-12-11 21:04:17,900 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 53.57142857142857) internal successors, (375), 7 states have internal predecessors, (375), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-11 21:04:17,900 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-11 21:04:17,900 INFO L214 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-11 21:04:17,900 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-11 21:04:17,901 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-12-11 21:04:17,901 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-11 21:04:17,901 INFO L85 PathProgramCache]: Analyzing trace with hash -1279053866, now seen corresponding path program 1 times [2022-12-11 21:04:17,902 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-11 21:04:17,902 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [772524836] [2022-12-11 21:04:17,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-11 21:04:17,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-11 21:04:17,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-11 21:04:18,039 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-11 21:04:18,040 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-11 21:04:18,040 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [772524836] [2022-12-11 21:04:18,040 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [772524836] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-11 21:04:18,040 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-11 21:04:18,040 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-11 21:04:18,040 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1974085652] [2022-12-11 21:04:18,040 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-11 21:04:18,041 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-11 21:04:18,041 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-11 21:04:18,041 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-11 21:04:18,041 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-11 21:04:18,042 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 53 out of 68 [2022-12-11 21:04:18,042 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 66 places, 55 transitions, 167 flow. Second operand has 6 states, 6 states have (on average 54.5) internal successors, (327), 6 states have internal predecessors, (327), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-11 21:04:18,042 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-11 21:04:18,042 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 53 of 68 [2022-12-11 21:04:18,042 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-11 21:04:18,128 INFO L130 PetriNetUnfolder]: 26/139 cut-off events. [2022-12-11 21:04:18,128 INFO L131 PetriNetUnfolder]: For 30/31 co-relation queries the response was YES. [2022-12-11 21:04:18,128 INFO L83 FinitePrefix]: Finished finitePrefix Result has 265 conditions, 139 events. 26/139 cut-off events. For 30/31 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 432 event pairs, 0 based on Foata normal form. 5/142 useless extension candidates. Maximal degree in co-relation 226. Up to 26 conditions per place. [2022-12-11 21:04:18,129 INFO L137 encePairwiseOnDemand]: 60/68 looper letters, 12 selfloop transitions, 5 changer transitions 15/75 dead transitions. [2022-12-11 21:04:18,129 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 74 places, 75 transitions, 278 flow [2022-12-11 21:04:18,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-11 21:04:18,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2022-12-11 21:04:18,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 510 transitions. [2022-12-11 21:04:18,130 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.8333333333333334 [2022-12-11 21:04:18,131 INFO L295 CegarLoopForPetriNet]: 62 programPoint places, 12 predicate places. [2022-12-11 21:04:18,131 INFO L82 GeneralOperation]: Start removeDead. Operand has 74 places, 75 transitions, 278 flow [2022-12-11 21:04:18,132 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 70 places, 60 transitions, 218 flow [2022-12-11 21:04:18,132 INFO L495 AbstractCegarLoop]: Abstraction has has 70 places, 60 transitions, 218 flow [2022-12-11 21:04:18,132 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 54.5) internal successors, (327), 6 states have internal predecessors, (327), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-11 21:04:18,132 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-11 21:04:18,132 INFO L214 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-11 21:04:18,132 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-11 21:04:18,132 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-12-11 21:04:18,133 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-11 21:04:18,133 INFO L85 PathProgramCache]: Analyzing trace with hash 1739985475, now seen corresponding path program 1 times [2022-12-11 21:04:18,133 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-11 21:04:18,133 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [199103067] [2022-12-11 21:04:18,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-11 21:04:18,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-11 21:04:18,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-11 21:04:18,278 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-11 21:04:18,278 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-11 21:04:18,278 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [199103067] [2022-12-11 21:04:18,278 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [199103067] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-11 21:04:18,279 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-11 21:04:18,279 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-12-11 21:04:18,279 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [204962170] [2022-12-11 21:04:18,279 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-11 21:04:18,279 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-11 21:04:18,279 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-11 21:04:18,280 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-11 21:04:18,280 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-12-11 21:04:18,280 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 53 out of 68 [2022-12-11 21:04:18,281 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 70 places, 60 transitions, 218 flow. Second operand has 7 states, 7 states have (on average 54.42857142857143) internal successors, (381), 7 states have internal predecessors, (381), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-11 21:04:18,281 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-11 21:04:18,281 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 53 of 68 [2022-12-11 21:04:18,281 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-11 21:04:18,371 INFO L130 PetriNetUnfolder]: 10/89 cut-off events. [2022-12-11 21:04:18,371 INFO L131 PetriNetUnfolder]: For 50/55 co-relation queries the response was YES. [2022-12-11 21:04:18,372 INFO L83 FinitePrefix]: Finished finitePrefix Result has 201 conditions, 89 events. 10/89 cut-off events. For 50/55 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 151 event pairs, 0 based on Foata normal form. 8/97 useless extension candidates. Maximal degree in co-relation 158. Up to 25 conditions per place. [2022-12-11 21:04:18,372 INFO L137 encePairwiseOnDemand]: 60/68 looper letters, 8 selfloop transitions, 7 changer transitions 13/71 dead transitions. [2022-12-11 21:04:18,372 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 79 places, 71 transitions, 318 flow [2022-12-11 21:04:18,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-12-11 21:04:18,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2022-12-11 21:04:18,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 557 transitions. [2022-12-11 21:04:18,374 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.8191176470588235 [2022-12-11 21:04:18,374 INFO L295 CegarLoopForPetriNet]: 62 programPoint places, 17 predicate places. [2022-12-11 21:04:18,375 INFO L82 GeneralOperation]: Start removeDead. Operand has 79 places, 71 transitions, 318 flow [2022-12-11 21:04:18,375 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 75 places, 58 transitions, 240 flow [2022-12-11 21:04:18,375 INFO L495 AbstractCegarLoop]: Abstraction has has 75 places, 58 transitions, 240 flow [2022-12-11 21:04:18,376 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 54.42857142857143) internal successors, (381), 7 states have internal predecessors, (381), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-11 21:04:18,376 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-11 21:04:18,376 INFO L214 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-11 21:04:18,376 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-11 21:04:18,376 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-12-11 21:04:18,377 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-11 21:04:18,377 INFO L85 PathProgramCache]: Analyzing trace with hash -1166312182, now seen corresponding path program 1 times [2022-12-11 21:04:18,377 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-11 21:04:18,377 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [572560133] [2022-12-11 21:04:18,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-11 21:04:18,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-11 21:04:18,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-11 21:04:18,490 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-11 21:04:18,490 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-11 21:04:18,491 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [572560133] [2022-12-11 21:04:18,491 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [572560133] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-11 21:04:18,491 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-11 21:04:18,491 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-12-11 21:04:18,491 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [314942740] [2022-12-11 21:04:18,492 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-11 21:04:18,492 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-11 21:04:18,492 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-11 21:04:18,493 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-11 21:04:18,493 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-12-11 21:04:18,494 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 52 out of 68 [2022-12-11 21:04:18,494 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 75 places, 58 transitions, 240 flow. Second operand has 7 states, 7 states have (on average 53.714285714285715) internal successors, (376), 7 states have internal predecessors, (376), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-11 21:04:18,494 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-11 21:04:18,494 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 52 of 68 [2022-12-11 21:04:18,494 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-11 21:04:18,563 INFO L130 PetriNetUnfolder]: 4/67 cut-off events. [2022-12-11 21:04:18,563 INFO L131 PetriNetUnfolder]: For 91/93 co-relation queries the response was YES. [2022-12-11 21:04:18,565 INFO L83 FinitePrefix]: Finished finitePrefix Result has 161 conditions, 67 events. 4/67 cut-off events. For 91/93 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 57 event pairs, 0 based on Foata normal form. 3/70 useless extension candidates. Maximal degree in co-relation 113. Up to 7 conditions per place. [2022-12-11 21:04:18,565 INFO L137 encePairwiseOnDemand]: 62/68 looper letters, 0 selfloop transitions, 0 changer transitions 57/57 dead transitions. [2022-12-11 21:04:18,565 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 79 places, 57 transitions, 273 flow [2022-12-11 21:04:18,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-11 21:04:18,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2022-12-11 21:04:18,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 377 transitions. [2022-12-11 21:04:18,568 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.792016806722689 [2022-12-11 21:04:18,570 INFO L295 CegarLoopForPetriNet]: 62 programPoint places, 17 predicate places. [2022-12-11 21:04:18,570 INFO L82 GeneralOperation]: Start removeDead. Operand has 79 places, 57 transitions, 273 flow [2022-12-11 21:04:18,570 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 0 places, 0 transitions, 0 flow [2022-12-11 21:04:18,570 INFO L495 AbstractCegarLoop]: Abstraction has has 0 places, 0 transitions, 0 flow [2022-12-11 21:04:18,571 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 53.714285714285715) internal successors, (376), 7 states have internal predecessors, (376), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-11 21:04:18,572 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2022-12-11 21:04:18,573 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2022-12-11 21:04:18,573 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2022-12-11 21:04:18,573 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-11 21:04:18,573 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2022-12-11 21:04:18,576 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-11 21:04:18,576 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-11 21:04:18,583 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.12 09:04:18 BasicIcfg [2022-12-11 21:04:18,583 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-11 21:04:18,584 INFO L158 Benchmark]: Toolchain (without parser) took 2597.74ms. Allocated memory was 207.6MB in the beginning and 316.7MB in the end (delta: 109.1MB). Free memory was 170.0MB in the beginning and 203.9MB in the end (delta: -33.9MB). Peak memory consumption was 76.7MB. Max. memory is 8.0GB. [2022-12-11 21:04:18,584 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 207.6MB. Free memory is still 184.3MB. There was no memory consumed. Max. memory is 8.0GB. [2022-12-11 21:04:18,584 INFO L158 Benchmark]: CACSL2BoogieTranslator took 387.69ms. Allocated memory is still 207.6MB. Free memory was 170.0MB in the beginning and 148.0MB in the end (delta: 22.0MB). Peak memory consumption was 21.0MB. Max. memory is 8.0GB. [2022-12-11 21:04:18,585 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.19ms. Allocated memory is still 207.6MB. Free memory was 148.0MB in the beginning and 145.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-12-11 21:04:18,587 INFO L158 Benchmark]: Boogie Preprocessor took 24.53ms. Allocated memory is still 207.6MB. Free memory was 145.9MB in the beginning and 144.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-12-11 21:04:18,591 INFO L158 Benchmark]: RCFGBuilder took 317.73ms. Allocated memory is still 207.6MB. Free memory was 144.3MB in the beginning and 131.7MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2022-12-11 21:04:18,593 INFO L158 Benchmark]: TraceAbstraction took 1822.55ms. Allocated memory was 207.6MB in the beginning and 316.7MB in the end (delta: 109.1MB). Free memory was 130.1MB in the beginning and 203.9MB in the end (delta: -73.8MB). Peak memory consumption was 36.8MB. Max. memory is 8.0GB. [2022-12-11 21:04:18,594 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 207.6MB. Free memory is still 184.3MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 387.69ms. Allocated memory is still 207.6MB. Free memory was 170.0MB in the beginning and 148.0MB in the end (delta: 22.0MB). Peak memory consumption was 21.0MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 39.19ms. Allocated memory is still 207.6MB. Free memory was 148.0MB in the beginning and 145.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 24.53ms. Allocated memory is still 207.6MB. Free memory was 145.9MB in the beginning and 144.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 317.73ms. Allocated memory is still 207.6MB. Free memory was 144.3MB in the beginning and 131.7MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * TraceAbstraction took 1822.55ms. Allocated memory was 207.6MB in the beginning and 316.7MB in the end (delta: 109.1MB). Free memory was 130.1MB in the beginning and 203.9MB in the end (delta: -73.8MB). Peak memory consumption was 36.8MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 18]: 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 with 1 thread instances CFG has 5 procedures, 83 locations, 3 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 1.7s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 112 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 112 mSDsluCounter, 121 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 91 mSDsCounter, 5 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 179 IncrementalHoareTripleChecker+Invalid, 184 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5 mSolverCounterUnsat, 30 mSDtfsCounter, 179 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 60 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=240occurred in iteration=4, InterpolantAutomatonStates: 45, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 519 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 231 NumberOfCodeBlocks, 231 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 226 ConstructedInterpolants, 0 QuantifiedInterpolants, 640 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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! [2022-12-11 21:04:18,609 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...