/usr/bin/java -Xmx16000000000 -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-VariableLbe.epf --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations AFTER -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-complex/elimination_backoff_stack.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-b8dbc81 [2023-01-28 07:05:32,462 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-01-28 07:05:32,464 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-01-28 07:05:32,494 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-01-28 07:05:32,494 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-01-28 07:05:32,495 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-01-28 07:05:32,496 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-01-28 07:05:32,497 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-01-28 07:05:32,499 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-01-28 07:05:32,499 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-01-28 07:05:32,500 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-01-28 07:05:32,501 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-01-28 07:05:32,501 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-01-28 07:05:32,502 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-01-28 07:05:32,503 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-01-28 07:05:32,504 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-01-28 07:05:32,504 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-01-28 07:05:32,505 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-01-28 07:05:32,506 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-01-28 07:05:32,508 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-01-28 07:05:32,509 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-01-28 07:05:32,514 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-01-28 07:05:32,514 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-01-28 07:05:32,515 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-01-28 07:05:32,517 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2023-01-28 07:05:32,519 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-01-28 07:05:32,520 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-01-28 07:05:32,520 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-01-28 07:05:32,521 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-01-28 07:05:32,522 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-01-28 07:05:32,522 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-01-28 07:05:32,522 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-01-28 07:05:32,523 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-01-28 07:05:32,523 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-01-28 07:05:32,523 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-01-28 07:05:32,524 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-01-28 07:05:32,526 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-VariableLbe.epf [2023-01-28 07:05:32,553 INFO L113 SettingsManager]: Loading preferences was successful [2023-01-28 07:05:32,553 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-01-28 07:05:32,554 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-01-28 07:05:32,554 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-01-28 07:05:32,555 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-01-28 07:05:32,555 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-01-28 07:05:32,555 INFO L138 SettingsManager]: * Use SBE=true [2023-01-28 07:05:32,555 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-01-28 07:05:32,555 INFO L138 SettingsManager]: * sizeof long=4 [2023-01-28 07:05:32,555 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-01-28 07:05:32,556 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-01-28 07:05:32,556 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-01-28 07:05:32,556 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-01-28 07:05:32,556 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-01-28 07:05:32,557 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-01-28 07:05:32,557 INFO L138 SettingsManager]: * sizeof long double=12 [2023-01-28 07:05:32,557 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-01-28 07:05:32,557 INFO L138 SettingsManager]: * Use constant arrays=true [2023-01-28 07:05:32,557 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-01-28 07:05:32,557 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-01-28 07:05:32,557 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-01-28 07:05:32,557 INFO L138 SettingsManager]: * To the following directory=./dump/ [2023-01-28 07:05:32,558 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-01-28 07:05:32,558 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-01-28 07:05:32,558 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-01-28 07:05:32,558 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-01-28 07:05:32,558 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-01-28 07:05:32,558 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-01-28 07:05:32,558 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-01-28 07:05:32,559 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-01-28 07:05:32,559 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-01-28 07:05:32,559 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> AFTER [2023-01-28 07:05:32,786 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-01-28 07:05:32,808 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-01-28 07:05:32,810 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-01-28 07:05:32,810 INFO L271 PluginConnector]: Initializing CDTParser... [2023-01-28 07:05:32,813 INFO L275 PluginConnector]: CDTParser initialized [2023-01-28 07:05:32,814 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-complex/elimination_backoff_stack.i [2023-01-28 07:05:33,915 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-01-28 07:05:34,207 INFO L351 CDTParser]: Found 1 translation units. [2023-01-28 07:05:34,207 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-complex/elimination_backoff_stack.i [2023-01-28 07:05:34,228 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9298b843b/613167c1ca6b48489c83be0994d53c85/FLAG8f882a6af [2023-01-28 07:05:34,245 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9298b843b/613167c1ca6b48489c83be0994d53c85 [2023-01-28 07:05:34,247 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-01-28 07:05:34,249 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2023-01-28 07:05:34,252 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-01-28 07:05:34,252 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-01-28 07:05:34,255 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-01-28 07:05:34,256 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.01 07:05:34" (1/1) ... [2023-01-28 07:05:34,257 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@775f31fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 07:05:34, skipping insertion in model container [2023-01-28 07:05:34,257 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.01 07:05:34" (1/1) ... [2023-01-28 07:05:34,263 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-01-28 07:05:34,328 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-01-28 07:05:34,810 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-complex/elimination_backoff_stack.i[63494,63507] [2023-01-28 07:05:34,826 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-01-28 07:05:34,835 INFO L203 MainTranslator]: Completed pre-run [2023-01-28 07:05:34,905 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-complex/elimination_backoff_stack.i[63494,63507] [2023-01-28 07:05:34,914 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-01-28 07:05:34,986 WARN L667 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-01-28 07:05:34,987 WARN L667 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-01-28 07:05:34,993 INFO L208 MainTranslator]: Completed translation [2023-01-28 07:05:34,993 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 07:05:34 WrapperNode [2023-01-28 07:05:34,993 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-01-28 07:05:34,995 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-01-28 07:05:34,995 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-01-28 07:05:34,995 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-01-28 07:05:35,001 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 07:05:34" (1/1) ... [2023-01-28 07:05:35,022 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 07:05:34" (1/1) ... [2023-01-28 07:05:35,157 INFO L138 Inliner]: procedures = 397, calls = 214, calls flagged for inlining = 52, calls inlined = 211, statements flattened = 3738 [2023-01-28 07:05:35,157 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-01-28 07:05:35,158 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-01-28 07:05:35,158 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-01-28 07:05:35,158 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-01-28 07:05:35,166 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 07:05:34" (1/1) ... [2023-01-28 07:05:35,166 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 07:05:34" (1/1) ... [2023-01-28 07:05:35,196 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 07:05:34" (1/1) ... [2023-01-28 07:05:35,197 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 07:05:34" (1/1) ... [2023-01-28 07:05:35,300 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 07:05:34" (1/1) ... [2023-01-28 07:05:35,317 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 07:05:34" (1/1) ... [2023-01-28 07:05:35,340 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 07:05:34" (1/1) ... [2023-01-28 07:05:35,360 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 07:05:34" (1/1) ... [2023-01-28 07:05:35,381 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-01-28 07:05:35,382 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-01-28 07:05:35,382 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-01-28 07:05:35,382 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-01-28 07:05:35,383 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 07:05:34" (1/1) ... [2023-01-28 07:05:35,387 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-01-28 07:05:35,396 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-28 07:05:35,407 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) [2023-01-28 07:05:35,422 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 [2023-01-28 07:05:35,446 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-01-28 07:05:35,447 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-01-28 07:05:35,447 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-01-28 07:05:35,447 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-01-28 07:05:35,447 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-01-28 07:05:35,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-01-28 07:05:35,447 INFO L130 BoogieDeclarations]: Found specification of procedure instrPush2 [2023-01-28 07:05:35,447 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPush2 [2023-01-28 07:05:35,447 INFO L130 BoogieDeclarations]: Found specification of procedure instrPush1 [2023-01-28 07:05:35,447 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPush1 [2023-01-28 07:05:35,447 INFO L130 BoogieDeclarations]: Found specification of procedure instrPush0 [2023-01-28 07:05:35,447 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPush0 [2023-01-28 07:05:35,447 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-01-28 07:05:35,448 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-01-28 07:05:35,448 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-01-28 07:05:35,448 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-01-28 07:05:35,448 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-01-28 07:05:35,448 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-01-28 07:05:35,448 INFO L130 BoogieDeclarations]: Found specification of procedure instrPop5 [2023-01-28 07:05:35,448 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPop5 [2023-01-28 07:05:35,448 INFO L130 BoogieDeclarations]: Found specification of procedure instrPop6 [2023-01-28 07:05:35,448 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPop6 [2023-01-28 07:05:35,448 INFO L130 BoogieDeclarations]: Found specification of procedure instrPop3 [2023-01-28 07:05:35,448 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPop3 [2023-01-28 07:05:35,448 INFO L130 BoogieDeclarations]: Found specification of procedure instrPop4 [2023-01-28 07:05:35,449 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPop4 [2023-01-28 07:05:35,449 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-01-28 07:05:35,452 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-01-28 07:05:35,861 INFO L236 CfgBuilder]: Building ICFG [2023-01-28 07:05:35,862 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-01-28 07:05:38,445 INFO L277 CfgBuilder]: Performing block encoding [2023-01-28 07:05:40,348 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-01-28 07:05:40,348 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-01-28 07:05:40,352 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.01 07:05:40 BoogieIcfgContainer [2023-01-28 07:05:40,352 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-01-28 07:05:40,354 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-01-28 07:05:40,355 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-01-28 07:05:40,357 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-01-28 07:05:40,357 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.01 07:05:34" (1/3) ... [2023-01-28 07:05:40,359 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f56527d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.01 07:05:40, skipping insertion in model container [2023-01-28 07:05:40,359 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 07:05:34" (2/3) ... [2023-01-28 07:05:40,359 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f56527d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.01 07:05:40, skipping insertion in model container [2023-01-28 07:05:40,360 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.01 07:05:40" (3/3) ... [2023-01-28 07:05:40,361 INFO L112 eAbstractionObserver]: Analyzing ICFG elimination_backoff_stack.i [2023-01-28 07:05:40,375 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-01-28 07:05:40,375 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 7 error locations. [2023-01-28 07:05:40,375 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-01-28 07:05:41,093 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-01-28 07:05:41,160 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 2195 places, 2320 transitions, 4675 flow [2023-01-28 07:05:43,702 INFO L130 PetriNetUnfolder]: 147/2313 cut-off events. [2023-01-28 07:05:43,702 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-01-28 07:05:43,827 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2335 conditions, 2313 events. 147/2313 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 15587 event pairs, 0 based on Foata normal form. 0/2159 useless extension candidates. Maximal degree in co-relation 2262. Up to 6 conditions per place. [2023-01-28 07:05:43,828 INFO L82 GeneralOperation]: Start removeDead. Operand has 2195 places, 2320 transitions, 4675 flow [2023-01-28 07:05:43,885 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 2188 places, 2313 transitions, 4647 flow [2023-01-28 07:05:43,888 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-01-28 07:05:43,896 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 2188 places, 2313 transitions, 4647 flow [2023-01-28 07:05:43,898 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 2188 places, 2313 transitions, 4647 flow [2023-01-28 07:05:43,899 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 2188 places, 2313 transitions, 4647 flow [2023-01-28 07:05:45,788 INFO L130 PetriNetUnfolder]: 147/2313 cut-off events. [2023-01-28 07:05:45,788 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-01-28 07:05:45,908 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2335 conditions, 2313 events. 147/2313 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 15582 event pairs, 0 based on Foata normal form. 0/2159 useless extension candidates. Maximal degree in co-relation 2262. Up to 6 conditions per place. [2023-01-28 07:05:46,746 INFO L119 LiptonReduction]: Number of co-enabled transitions 4291480 [2023-01-28 07:06:00,879 WARN L222 SmtUtils]: Spent 10.39s on a formula simplification. DAG size of input: 306 DAG size of output: 299 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-01-28 07:06:19,640 WARN L222 SmtUtils]: Spent 13.96s on a formula simplification. DAG size of input: 330 DAG size of output: 323 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-01-28 07:06:27,308 WARN L222 SmtUtils]: Spent 7.66s on a formula simplification that was a NOOP. DAG size: 320 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-01-28 07:06:46,567 WARN L222 SmtUtils]: Spent 11.30s on a formula simplification. DAG size of input: 306 DAG size of output: 299 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-01-28 07:06:51,945 WARN L222 SmtUtils]: Spent 5.38s on a formula simplification that was a NOOP. DAG size: 296 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-01-28 07:07:05,461 WARN L222 SmtUtils]: Spent 13.51s on a formula simplification. DAG size of input: 330 DAG size of output: 323 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-01-28 07:07:12,337 WARN L222 SmtUtils]: Spent 6.87s on a formula simplification that was a NOOP. DAG size: 320 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-01-28 07:07:26,725 WARN L222 SmtUtils]: Spent 9.79s on a formula simplification. DAG size of input: 307 DAG size of output: 300 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-01-28 07:07:45,154 WARN L222 SmtUtils]: Spent 13.59s on a formula simplification. DAG size of input: 331 DAG size of output: 324 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-01-28 07:07:51,981 WARN L222 SmtUtils]: Spent 6.82s on a formula simplification that was a NOOP. DAG size: 324 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-01-28 07:08:08,327 WARN L222 SmtUtils]: Spent 11.26s on a formula simplification. DAG size of input: 306 DAG size of output: 299 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-01-28 07:08:13,782 WARN L222 SmtUtils]: Spent 5.45s on a formula simplification that was a NOOP. DAG size: 296 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-01-28 07:08:27,825 WARN L222 SmtUtils]: Spent 14.04s on a formula simplification. DAG size of input: 330 DAG size of output: 323 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-01-28 07:08:35,219 WARN L222 SmtUtils]: Spent 7.39s on a formula simplification that was a NOOP. DAG size: 320 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-01-28 07:08:51,233 WARN L222 SmtUtils]: Spent 10.72s on a formula simplification. DAG size of input: 307 DAG size of output: 300 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-01-28 07:08:56,457 WARN L222 SmtUtils]: Spent 5.22s on a formula simplification that was a NOOP. DAG size: 300 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-01-28 07:09:10,242 WARN L222 SmtUtils]: Spent 13.78s on a formula simplification. DAG size of input: 331 DAG size of output: 324 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-01-28 07:09:16,819 WARN L222 SmtUtils]: Spent 6.57s on a formula simplification that was a NOOP. DAG size: 324 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-01-28 07:09:29,792 WARN L222 SmtUtils]: Spent 11.32s on a formula simplification. DAG size of input: 306 DAG size of output: 299 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-01-28 07:09:34,941 WARN L222 SmtUtils]: Spent 5.15s on a formula simplification that was a NOOP. DAG size: 296 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-01-28 07:09:48,540 WARN L222 SmtUtils]: Spent 13.60s on a formula simplification. DAG size of input: 330 DAG size of output: 323 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-01-28 07:09:55,606 WARN L222 SmtUtils]: Spent 7.06s on a formula simplification that was a NOOP. DAG size: 320 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-01-28 07:10:11,784 WARN L222 SmtUtils]: Spent 5.01s on a formula simplification that was a NOOP. DAG size: 301 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-01-28 07:10:16,973 WARN L222 SmtUtils]: Spent 5.19s on a formula simplification that was a NOOP. DAG size: 298 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-01-28 07:10:24,096 WARN L222 SmtUtils]: Spent 7.12s on a formula simplification that was a NOOP. DAG size: 325 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-01-28 07:10:30,581 WARN L222 SmtUtils]: Spent 6.48s on a formula simplification that was a NOOP. DAG size: 322 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-01-28 07:10:47,110 WARN L222 SmtUtils]: Spent 10.56s on a formula simplification. DAG size of input: 309 DAG size of output: 302 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-01-28 07:10:53,117 WARN L222 SmtUtils]: Spent 6.00s on a formula simplification that was a NOOP. DAG size: 302 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-01-28 07:11:07,130 WARN L222 SmtUtils]: Spent 14.01s on a formula simplification. DAG size of input: 333 DAG size of output: 326 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-01-28 07:11:14,462 WARN L222 SmtUtils]: Spent 7.33s on a formula simplification that was a NOOP. DAG size: 326 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-01-28 07:11:26,700 WARN L222 SmtUtils]: Spent 6.53s on a formula simplification that was a NOOP. DAG size: 298 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-01-28 07:11:33,952 WARN L222 SmtUtils]: Spent 7.25s on a formula simplification that was a NOOP. DAG size: 322 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-01-28 07:11:40,337 WARN L222 SmtUtils]: Spent 6.38s on a formula simplification that was a NOOP. DAG size: 322 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-01-28 07:11:50,273 WARN L222 SmtUtils]: Spent 5.75s on a formula simplification that was a NOOP. DAG size: 303 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-01-28 07:11:56,001 WARN L222 SmtUtils]: Spent 5.73s on a formula simplification that was a NOOP. DAG size: 300 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-01-28 07:12:03,498 WARN L222 SmtUtils]: Spent 7.49s on a formula simplification that was a NOOP. DAG size: 327 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-01-28 07:12:11,442 WARN L222 SmtUtils]: Spent 7.94s on a formula simplification that was a NOOP. DAG size: 324 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-01-28 07:12:23,531 WARN L222 SmtUtils]: Spent 5.83s on a formula simplification that was a NOOP. DAG size: 302 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-01-28 07:12:29,001 WARN L222 SmtUtils]: Spent 5.47s on a formula simplification that was a NOOP. DAG size: 302 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-01-28 07:12:35,519 WARN L222 SmtUtils]: Spent 6.51s on a formula simplification that was a NOOP. DAG size: 326 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-01-28 07:12:42,285 WARN L222 SmtUtils]: Spent 6.77s on a formula simplification that was a NOOP. DAG size: 326 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-01-28 07:12:48,930 WARN L222 SmtUtils]: Spent 5.91s on a formula simplification that was a NOOP. DAG size: 300 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-01-28 07:12:54,558 WARN L222 SmtUtils]: Spent 5.63s on a formula simplification that was a NOOP. DAG size: 300 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-01-28 07:13:01,414 WARN L222 SmtUtils]: Spent 6.85s on a formula simplification that was a NOOP. DAG size: 324 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-01-28 07:13:08,353 WARN L222 SmtUtils]: Spent 6.94s on a formula simplification that was a NOOP. DAG size: 324 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-01-28 07:13:18,370 WARN L222 SmtUtils]: Spent 5.67s on a formula simplification that was a NOOP. DAG size: 305 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-01-28 07:13:24,598 WARN L222 SmtUtils]: Spent 6.23s on a formula simplification that was a NOOP. DAG size: 302 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-01-28 07:13:32,495 WARN L222 SmtUtils]: Spent 7.89s on a formula simplification that was a NOOP. DAG size: 329 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-01-28 07:13:39,278 WARN L222 SmtUtils]: Spent 6.78s on a formula simplification that was a NOOP. DAG size: 326 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-01-28 07:13:46,083 WARN L222 SmtUtils]: Spent 6.41s on a formula simplification that was a NOOP. DAG size: 306 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-01-28 07:13:52,308 WARN L222 SmtUtils]: Spent 6.22s on a formula simplification that was a NOOP. DAG size: 306 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-01-28 07:13:58,940 WARN L222 SmtUtils]: Spent 6.63s on a formula simplification that was a NOOP. DAG size: 330 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-01-28 07:14:06,507 WARN L222 SmtUtils]: Spent 7.57s on a formula simplification that was a NOOP. DAG size: 330 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-01-28 07:14:23,542 WARN L222 SmtUtils]: Spent 10.96s on a formula simplification. DAG size of input: 304 DAG size of output: 300 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-01-28 07:14:28,883 WARN L222 SmtUtils]: Spent 5.34s on a formula simplification that was a NOOP. DAG size: 300 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-01-28 07:14:43,287 WARN L222 SmtUtils]: Spent 14.40s on a formula simplification. DAG size of input: 328 DAG size of output: 324 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-01-28 07:14:51,247 WARN L222 SmtUtils]: Spent 7.96s on a formula simplification that was a NOOP. DAG size: 324 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-01-28 07:14:56,878 WARN L222 SmtUtils]: Spent 5.47s on a formula simplification that was a NOOP. DAG size: 304 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-01-28 07:15:02,503 WARN L222 SmtUtils]: Spent 5.62s on a formula simplification that was a NOOP. DAG size: 304 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-01-28 07:15:09,251 WARN L222 SmtUtils]: Spent 6.75s on a formula simplification that was a NOOP. DAG size: 328 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-01-28 07:15:16,614 WARN L222 SmtUtils]: Spent 7.36s on a formula simplification that was a NOOP. DAG size: 328 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-01-28 07:15:30,350 WARN L222 SmtUtils]: Spent 5.91s on a formula simplification that was a NOOP. DAG size: 306 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-01-28 07:15:36,409 WARN L222 SmtUtils]: Spent 6.06s on a formula simplification that was a NOOP. DAG size: 306 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-01-28 07:15:43,632 WARN L222 SmtUtils]: Spent 7.22s on a formula simplification that was a NOOP. DAG size: 330 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-01-28 07:15:50,913 WARN L222 SmtUtils]: Spent 7.28s on a formula simplification that was a NOOP. DAG size: 330 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-01-28 07:16:06,625 WARN L222 SmtUtils]: Spent 11.52s on a formula simplification. DAG size of input: 304 DAG size of output: 300 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-01-28 07:16:11,728 WARN L222 SmtUtils]: Spent 5.10s on a formula simplification that was a NOOP. DAG size: 300 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-01-28 07:16:25,054 WARN L222 SmtUtils]: Spent 13.32s on a formula simplification. DAG size of input: 328 DAG size of output: 324 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-01-28 07:16:31,503 WARN L222 SmtUtils]: Spent 6.45s on a formula simplification that was a NOOP. DAG size: 324 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-01-28 07:16:53,270 WARN L222 SmtUtils]: Spent 5.94s on a formula simplification that was a NOOP. DAG size: 310 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-01-28 07:17:00,088 WARN L222 SmtUtils]: Spent 6.82s on a formula simplification that was a NOOP. DAG size: 310 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-01-28 07:17:07,303 WARN L222 SmtUtils]: Spent 7.21s on a formula simplification that was a NOOP. DAG size: 334 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-01-28 07:17:14,761 WARN L222 SmtUtils]: Spent 7.46s on a formula simplification that was a NOOP. DAG size: 334 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-01-28 07:17:30,587 WARN L222 SmtUtils]: Spent 14.96s on a formula simplification. DAG size of input: 301 DAG size of output: 273 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-01-28 07:17:47,726 WARN L222 SmtUtils]: Spent 12.52s on a formula simplification. DAG size of input: 325 DAG size of output: 294 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-01-28 07:17:53,435 WARN L222 SmtUtils]: Spent 5.71s on a formula simplification that was a NOOP. DAG size: 290 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-01-28 07:18:07,455 WARN L222 SmtUtils]: Spent 9.41s on a formula simplification. DAG size of input: 307 DAG size of output: 279 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-01-28 07:18:24,347 WARN L222 SmtUtils]: Spent 12.48s on a formula simplification. DAG size of input: 331 DAG size of output: 300 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-01-28 07:18:30,077 WARN L222 SmtUtils]: Spent 5.73s on a formula simplification that was a NOOP. DAG size: 296 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-01-28 07:18:56,193 WARN L222 SmtUtils]: Spent 17.15s on a formula simplification. DAG size of input: 311 DAG size of output: 283 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-01-28 07:19:01,386 WARN L222 SmtUtils]: Spent 5.19s on a formula simplification that was a NOOP. DAG size: 280 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-01-28 07:19:15,359 WARN L222 SmtUtils]: Spent 13.97s on a formula simplification. DAG size of input: 335 DAG size of output: 304 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-01-28 07:19:21,151 WARN L222 SmtUtils]: Spent 5.79s on a formula simplification that was a NOOP. DAG size: 300 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-01-28 07:19:27,545 WARN L222 SmtUtils]: Spent 5.71s on a formula simplification that was a NOOP. DAG size: 310 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-01-28 07:19:34,418 WARN L222 SmtUtils]: Spent 6.87s on a formula simplification that was a NOOP. DAG size: 310 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) Received shutdown request... [2023-01-28 07:19:40,367 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-01-28 07:19:40,392 WARN L238 SmtUtils]: Removed 19 from assertion stack [2023-01-28 07:19:40,393 INFO L256 ToolchainWalker]: Toolchain cancelled while executing plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction. Reason: Timeout or Toolchain cancelled by user [2023-01-28 07:19:40,394 INFO L158 Benchmark]: Toolchain (without parser) took 846145.78ms. Allocated memory was 358.6MB in the beginning and 4.1GB in the end (delta: 3.8GB). Free memory was 315.5MB in the beginning and 2.7GB in the end (delta: -2.4GB). Peak memory consumption was 2.5GB. Max. memory is 16.0GB. [2023-01-28 07:19:40,394 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 255.9MB. Free memory is still 212.3MB. There was no memory consumed. Max. memory is 16.0GB. [2023-01-28 07:19:40,395 INFO L158 Benchmark]: CACSL2BoogieTranslator took 741.60ms. Allocated memory is still 358.6MB. Free memory was 315.2MB in the beginning and 267.3MB in the end (delta: 47.9MB). Peak memory consumption was 48.2MB. Max. memory is 16.0GB. [2023-01-28 07:19:40,395 INFO L158 Benchmark]: Boogie Procedure Inliner took 162.84ms. Allocated memory is still 358.6MB. Free memory was 267.3MB in the beginning and 316.8MB in the end (delta: -49.5MB). Peak memory consumption was 8.7MB. Max. memory is 16.0GB. [2023-01-28 07:19:40,395 INFO L158 Benchmark]: Boogie Preprocessor took 223.37ms. Allocated memory is still 358.6MB. Free memory was 316.8MB in the beginning and 299.2MB in the end (delta: 17.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.0GB. [2023-01-28 07:19:40,396 INFO L158 Benchmark]: RCFGBuilder took 4970.16ms. Allocated memory was 358.6MB in the beginning and 559.9MB in the end (delta: 201.3MB). Free memory was 299.2MB in the beginning and 268.3MB in the end (delta: 30.9MB). Peak memory consumption was 231.8MB. Max. memory is 16.0GB. [2023-01-28 07:19:40,396 INFO L158 Benchmark]: TraceAbstraction took 840039.09ms. Allocated memory was 559.9MB in the beginning and 4.1GB in the end (delta: 3.6GB). Free memory was 267.3MB in the beginning and 2.7GB in the end (delta: -2.4GB). Peak memory consumption was 2.2GB. Max. memory is 16.0GB. [2023-01-28 07:19:40,398 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 255.9MB. Free memory is still 212.3MB. There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 741.60ms. Allocated memory is still 358.6MB. Free memory was 315.2MB in the beginning and 267.3MB in the end (delta: 47.9MB). Peak memory consumption was 48.2MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 162.84ms. Allocated memory is still 358.6MB. Free memory was 267.3MB in the beginning and 316.8MB in the end (delta: -49.5MB). Peak memory consumption was 8.7MB. Max. memory is 16.0GB. * Boogie Preprocessor took 223.37ms. Allocated memory is still 358.6MB. Free memory was 316.8MB in the beginning and 299.2MB in the end (delta: 17.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.0GB. * RCFGBuilder took 4970.16ms. Allocated memory was 358.6MB in the beginning and 559.9MB in the end (delta: 201.3MB). Free memory was 299.2MB in the beginning and 268.3MB in the end (delta: 30.9MB). Peak memory consumption was 231.8MB. Max. memory is 16.0GB. * TraceAbstraction took 840039.09ms. Allocated memory was 559.9MB in the beginning and 4.1GB in the end (delta: 3.6GB). Free memory was 267.3MB in the beginning and 2.7GB in the end (delta: -2.4GB). Peak memory consumption was 2.2GB. Max. memory is 16.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResult: Timeout (de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction) Toolchain cancelled while CegarLoopFactory was constructing initial abstraction,while PetriNetLargeBlockEncoding was applying PetriNetLargeBlockEncoding to Petri net that has 2188 places, 2313 transitions, 4647 flow,while LiptonReduction was applying LiptonReduction to Petri net that has 2188 places, 2313 transitions, 4647 flow and 377384 co-enabled transitions pairs.,while TransFormulaUtils was doing sequential composition of 2 TransFormulas,while SimplifyDDAWithTimeout was simplifying term of DAG size 334 for 5970ms.. RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown