/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 -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-complex/elimination_backoff_stack.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-b8dbc81 [2023-01-27 18:22:57,754 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-01-27 18:22:57,756 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-01-27 18:22:57,787 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-01-27 18:22:57,788 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-01-27 18:22:57,790 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-01-27 18:22:57,792 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-01-27 18:22:57,794 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-01-27 18:22:57,795 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-01-27 18:22:57,799 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-01-27 18:22:57,800 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-01-27 18:22:57,801 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-01-27 18:22:57,802 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-01-27 18:22:57,803 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-01-27 18:22:57,804 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-01-27 18:22:57,805 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-01-27 18:22:57,805 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-01-27 18:22:57,806 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-01-27 18:22:57,807 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-01-27 18:22:57,811 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-01-27 18:22:57,811 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-01-27 18:22:57,812 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-01-27 18:22:57,813 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-01-27 18:22:57,813 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-01-27 18:22:57,819 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2023-01-27 18:22:57,824 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-01-27 18:22:57,825 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-01-27 18:22:57,825 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-01-27 18:22:57,826 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 [2023-01-27 18:22:57,847 INFO L113 SettingsManager]: Loading preferences was successful [2023-01-27 18:22:57,847 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-01-27 18:22:57,848 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-01-27 18:22:57,848 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-01-27 18:22:57,849 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-01-27 18:22:57,849 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-01-27 18:22:57,849 INFO L138 SettingsManager]: * Use SBE=true [2023-01-27 18:22:57,849 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-01-27 18:22:57,850 INFO L138 SettingsManager]: * sizeof long=4 [2023-01-27 18:22:57,850 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-01-27 18:22:57,850 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-01-27 18:22:57,850 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-01-27 18:22:57,850 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-01-27 18:22:57,850 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-01-27 18:22:57,851 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-01-27 18:22:57,851 INFO L138 SettingsManager]: * sizeof long double=12 [2023-01-27 18:22:57,851 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-01-27 18:22:57,851 INFO L138 SettingsManager]: * Use constant arrays=true [2023-01-27 18:22:57,851 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-01-27 18:22:57,851 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-01-27 18:22:57,851 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-01-27 18:22:57,851 INFO L138 SettingsManager]: * To the following directory=./dump/ [2023-01-27 18:22:57,851 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-01-27 18:22:57,851 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-01-27 18:22:57,851 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-01-27 18:22:57,851 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-01-27 18:22:57,852 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-01-27 18:22:57,852 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-01-27 18:22:57,852 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-01-27 18:22:57,852 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-01-27 18:22:57,852 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-01-27 18:22:57,852 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-01-27 18:22:58,124 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-01-27 18:22:58,151 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-01-27 18:22:58,155 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-01-27 18:22:58,156 INFO L271 PluginConnector]: Initializing CDTParser... [2023-01-27 18:22:58,156 INFO L275 PluginConnector]: CDTParser initialized [2023-01-27 18:22:58,157 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-complex/elimination_backoff_stack.i [2023-01-27 18:22:59,225 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-01-27 18:22:59,466 INFO L351 CDTParser]: Found 1 translation units. [2023-01-27 18:22:59,467 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-complex/elimination_backoff_stack.i [2023-01-27 18:22:59,484 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8a59a0767/64207f78d245466ea946a389fcbfe60d/FLAGc31298841 [2023-01-27 18:22:59,495 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8a59a0767/64207f78d245466ea946a389fcbfe60d [2023-01-27 18:22:59,497 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-01-27 18:22:59,498 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2023-01-27 18:22:59,500 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-01-27 18:22:59,500 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-01-27 18:22:59,502 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-01-27 18:22:59,502 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.01 06:22:59" (1/1) ... [2023-01-27 18:22:59,503 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@367760b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 06:22:59, skipping insertion in model container [2023-01-27 18:22:59,503 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.01 06:22:59" (1/1) ... [2023-01-27 18:22:59,508 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-01-27 18:22:59,558 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-01-27 18:22:59,973 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] [2023-01-27 18:22:59,996 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-01-27 18:23:00,007 INFO L203 MainTranslator]: Completed pre-run [2023-01-27 18:23:00,078 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] [2023-01-27 18:23:00,084 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-01-27 18:23:00,134 WARN L667 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-01-27 18:23:00,135 WARN L667 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-01-27 18:23:00,140 INFO L208 MainTranslator]: Completed translation [2023-01-27 18:23:00,141 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 06:23:00 WrapperNode [2023-01-27 18:23:00,141 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-01-27 18:23:00,142 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-01-27 18:23:00,142 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-01-27 18:23:00,142 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-01-27 18:23:00,146 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 06:23:00" (1/1) ... [2023-01-27 18:23:00,175 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 06:23:00" (1/1) ... [2023-01-27 18:23:00,283 INFO L138 Inliner]: procedures = 397, calls = 214, calls flagged for inlining = 52, calls inlined = 211, statements flattened = 3738 [2023-01-27 18:23:00,284 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-01-27 18:23:00,284 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-01-27 18:23:00,284 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-01-27 18:23:00,284 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-01-27 18:23:00,290 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 06:23:00" (1/1) ... [2023-01-27 18:23:00,291 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 06:23:00" (1/1) ... [2023-01-27 18:23:00,328 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 06:23:00" (1/1) ... [2023-01-27 18:23:00,329 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 06:23:00" (1/1) ... [2023-01-27 18:23:00,421 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 06:23:00" (1/1) ... [2023-01-27 18:23:00,437 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 06:23:00" (1/1) ... [2023-01-27 18:23:00,451 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 06:23:00" (1/1) ... [2023-01-27 18:23:00,464 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 06:23:00" (1/1) ... [2023-01-27 18:23:00,480 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-01-27 18:23:00,482 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-01-27 18:23:00,482 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-01-27 18:23:00,482 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-01-27 18:23:00,483 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 06:23:00" (1/1) ... [2023-01-27 18:23:00,486 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-01-27 18:23:00,496 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-27 18:23:00,507 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) [2023-01-27 18:23:00,513 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 [2023-01-27 18:23:00,536 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-01-27 18:23:00,536 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-01-27 18:23:00,536 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-01-27 18:23:00,537 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-01-27 18:23:00,537 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-01-27 18:23:00,537 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-01-27 18:23:00,537 INFO L130 BoogieDeclarations]: Found specification of procedure instrPush2 [2023-01-27 18:23:00,537 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPush2 [2023-01-27 18:23:00,537 INFO L130 BoogieDeclarations]: Found specification of procedure instrPush1 [2023-01-27 18:23:00,537 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPush1 [2023-01-27 18:23:00,537 INFO L130 BoogieDeclarations]: Found specification of procedure instrPush0 [2023-01-27 18:23:00,537 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPush0 [2023-01-27 18:23:00,537 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-01-27 18:23:00,537 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-01-27 18:23:00,537 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-01-27 18:23:00,537 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-01-27 18:23:00,537 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-01-27 18:23:00,538 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-01-27 18:23:00,538 INFO L130 BoogieDeclarations]: Found specification of procedure instrPop5 [2023-01-27 18:23:00,538 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPop5 [2023-01-27 18:23:00,538 INFO L130 BoogieDeclarations]: Found specification of procedure instrPop6 [2023-01-27 18:23:00,538 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPop6 [2023-01-27 18:23:00,539 INFO L130 BoogieDeclarations]: Found specification of procedure instrPop3 [2023-01-27 18:23:00,539 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPop3 [2023-01-27 18:23:00,539 INFO L130 BoogieDeclarations]: Found specification of procedure instrPop4 [2023-01-27 18:23:00,539 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPop4 [2023-01-27 18:23:00,539 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-01-27 18:23:00,541 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-01-27 18:23:00,916 INFO L236 CfgBuilder]: Building ICFG [2023-01-27 18:23:00,917 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-01-27 18:23:03,072 INFO L277 CfgBuilder]: Performing block encoding [2023-01-27 18:23:04,685 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-01-27 18:23:04,685 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-01-27 18:23:04,688 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.01 06:23:04 BoogieIcfgContainer [2023-01-27 18:23:04,688 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-01-27 18:23:04,690 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-01-27 18:23:04,690 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-01-27 18:23:04,692 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-01-27 18:23:04,692 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.01 06:22:59" (1/3) ... [2023-01-27 18:23:04,692 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@458b7ceb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.01 06:23:04, skipping insertion in model container [2023-01-27 18:23:04,692 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 06:23:00" (2/3) ... [2023-01-27 18:23:04,692 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@458b7ceb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.01 06:23:04, skipping insertion in model container [2023-01-27 18:23:04,692 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.01 06:23:04" (3/3) ... [2023-01-27 18:23:04,693 INFO L112 eAbstractionObserver]: Analyzing ICFG elimination_backoff_stack.i [2023-01-27 18:23:04,705 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-01-27 18:23:04,705 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 7 error locations. [2023-01-27 18:23:04,705 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-01-27 18:23:05,161 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-01-27 18:23:05,203 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 2195 places, 2320 transitions, 4675 flow [2023-01-27 18:23:07,156 INFO L130 PetriNetUnfolder]: 147/2313 cut-off events. [2023-01-27 18:23:07,156 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-01-27 18:23:07,265 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. [2023-01-27 18:23:07,265 INFO L82 GeneralOperation]: Start removeDead. Operand has 2195 places, 2320 transitions, 4675 flow [2023-01-27 18:23:07,306 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 2188 places, 2313 transitions, 4647 flow [2023-01-27 18:23:07,309 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-01-27 18:23:07,315 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 2188 places, 2313 transitions, 4647 flow [2023-01-27 18:23:07,317 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 2188 places, 2313 transitions, 4647 flow [2023-01-27 18:23:07,317 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 2188 places, 2313 transitions, 4647 flow [2023-01-27 18:23:09,046 INFO L130 PetriNetUnfolder]: 147/2313 cut-off events. [2023-01-27 18:23:09,047 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-01-27 18:23:09,161 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. [2023-01-27 18:23:09,855 INFO L119 LiptonReduction]: Number of co-enabled transitions 4291480 [2023-01-27 18:23:23,389 WARN L222 SmtUtils]: Spent 10.40s 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) [2023-01-27 18:23:42,022 WARN L222 SmtUtils]: Spent 13.85s 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) [2023-01-27 18:23:49,593 WARN L222 SmtUtils]: Spent 7.57s 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) [2023-01-27 18:24:08,449 WARN L222 SmtUtils]: Spent 11.28s 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) [2023-01-27 18:24:13,784 WARN L222 SmtUtils]: Spent 5.33s 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) [2023-01-27 18:24:27,329 WARN L222 SmtUtils]: Spent 13.54s 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) [2023-01-27 18:24:34,259 WARN L222 SmtUtils]: Spent 6.93s 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) [2023-01-27 18:24:48,478 WARN L222 SmtUtils]: Spent 9.82s 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) [2023-01-27 18:25:06,873 WARN L222 SmtUtils]: Spent 13.58s 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) [2023-01-27 18:25:13,748 WARN L222 SmtUtils]: Spent 6.87s 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) [2023-01-27 18:25:28,853 WARN L222 SmtUtils]: Spent 11.27s 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) [2023-01-27 18:25:34,294 WARN L222 SmtUtils]: Spent 5.44s 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) [2023-01-27 18:25:48,322 WARN L222 SmtUtils]: Spent 14.02s 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) [2023-01-27 18:25:55,745 WARN L222 SmtUtils]: Spent 7.42s 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) [2023-01-27 18:26:11,090 WARN L222 SmtUtils]: Spent 10.51s 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) [2023-01-27 18:26:16,217 WARN L222 SmtUtils]: Spent 5.13s 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) [2023-01-27 18:26:29,991 WARN L222 SmtUtils]: Spent 13.77s 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) [2023-01-27 18:26:36,551 WARN L222 SmtUtils]: Spent 6.55s 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) [2023-01-27 18:26:49,433 WARN L222 SmtUtils]: Spent 11.25s 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) [2023-01-27 18:26:54,565 WARN L222 SmtUtils]: Spent 5.13s 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) [2023-01-27 18:27:08,073 WARN L222 SmtUtils]: Spent 13.50s 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) [2023-01-27 18:27:15,066 WARN L222 SmtUtils]: Spent 6.99s 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) [2023-01-27 18:27:30,469 WARN L222 SmtUtils]: Spent 5.04s 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) [2023-01-27 18:27:35,794 WARN L222 SmtUtils]: Spent 5.32s 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) [2023-01-27 18:27:43,114 WARN L222 SmtUtils]: Spent 7.32s 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) [2023-01-27 18:27:49,739 WARN L222 SmtUtils]: Spent 6.62s 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) [2023-01-27 18:28:05,892 WARN L222 SmtUtils]: Spent 10.67s 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) [2023-01-27 18:28:11,981 WARN L222 SmtUtils]: Spent 6.09s 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) [2023-01-27 18:28:26,130 WARN L222 SmtUtils]: Spent 14.15s 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) [2023-01-27 18:28:33,561 WARN L222 SmtUtils]: Spent 7.43s 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) [2023-01-27 18:28:39,343 WARN L222 SmtUtils]: Spent 5.04s on a formula simplification that was a NOOP. DAG size: 298 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-01-27 18:28:45,982 WARN L222 SmtUtils]: Spent 6.63s 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) [2023-01-27 18:28:53,362 WARN L222 SmtUtils]: Spent 7.38s 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) [2023-01-27 18:28:59,856 WARN L222 SmtUtils]: Spent 6.49s 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) [2023-01-27 18:29:09,656 WARN L222 SmtUtils]: Spent 5.71s 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) [2023-01-27 18:29:15,336 WARN L222 SmtUtils]: Spent 5.68s 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) [2023-01-27 18:29:22,767 WARN L222 SmtUtils]: Spent 7.43s 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) [2023-01-27 18:29:30,636 WARN L222 SmtUtils]: Spent 7.87s 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) [2023-01-27 18:29:42,521 WARN L222 SmtUtils]: Spent 5.82s 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) [2023-01-27 18:29:47,914 WARN L222 SmtUtils]: Spent 5.39s 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) [2023-01-27 18:29:54,348 WARN L222 SmtUtils]: Spent 6.43s 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) [2023-01-27 18:30:01,044 WARN L222 SmtUtils]: Spent 6.70s 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) [2023-01-27 18:30:07,630 WARN L222 SmtUtils]: Spent 5.89s 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) [2023-01-27 18:30:13,190 WARN L222 SmtUtils]: Spent 5.56s 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) [2023-01-27 18:30:19,941 WARN L222 SmtUtils]: Spent 6.75s 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) [2023-01-27 18:30:26,787 WARN L222 SmtUtils]: Spent 6.84s 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) [2023-01-27 18:30:36,864 WARN L222 SmtUtils]: Spent 5.68s 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) [2023-01-27 18:30:43,100 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) [2023-01-27 18:30:51,086 WARN L222 SmtUtils]: Spent 7.98s 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) [2023-01-27 18:30:57,814 WARN L222 SmtUtils]: Spent 6.73s 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) [2023-01-27 18:31:04,656 WARN L222 SmtUtils]: Spent 6.45s 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) [2023-01-27 18:31:10,942 WARN L222 SmtUtils]: Spent 6.28s 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) [2023-01-27 18:31:17,607 WARN L222 SmtUtils]: Spent 6.66s 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) [2023-01-27 18:31:25,224 WARN L222 SmtUtils]: Spent 7.62s 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) [2023-01-27 18:31:40,821 WARN L222 SmtUtils]: Spent 10.78s 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) [2023-01-27 18:31:46,147 WARN L222 SmtUtils]: Spent 5.32s 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) [2023-01-27 18:32:00,482 WARN L222 SmtUtils]: Spent 14.33s 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) [2023-01-27 18:32:08,504 WARN L222 SmtUtils]: Spent 8.02s 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) [2023-01-27 18:32:14,096 WARN L222 SmtUtils]: Spent 5.43s 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) [2023-01-27 18:32:19,691 WARN L222 SmtUtils]: Spent 5.59s 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) [2023-01-27 18:32:26,459 WARN L222 SmtUtils]: Spent 6.76s 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) [2023-01-27 18:32:33,829 WARN L222 SmtUtils]: Spent 7.37s 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) [2023-01-27 18:32:47,503 WARN L222 SmtUtils]: Spent 5.94s 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) [2023-01-27 18:32:53,594 WARN L222 SmtUtils]: Spent 6.09s 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) [2023-01-27 18:33:00,827 WARN L222 SmtUtils]: Spent 7.23s 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) [2023-01-27 18:33:08,138 WARN L222 SmtUtils]: Spent 7.31s 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) [2023-01-27 18:33:23,719 WARN L222 SmtUtils]: Spent 11.43s 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) [2023-01-27 18:33:28,764 WARN L222 SmtUtils]: Spent 5.04s 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) [2023-01-27 18:33:42,023 WARN L222 SmtUtils]: Spent 13.25s 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) [2023-01-27 18:33:48,481 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) [2023-01-27 18:34:09,966 WARN L222 SmtUtils]: Spent 5.87s 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) [2023-01-27 18:34:16,721 WARN L222 SmtUtils]: Spent 6.75s 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) [2023-01-27 18:34:23,869 WARN L222 SmtUtils]: Spent 7.14s 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) [2023-01-27 18:34:31,273 WARN L222 SmtUtils]: Spent 7.40s 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) [2023-01-27 18:34:46,959 WARN L222 SmtUtils]: Spent 14.83s 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) [2023-01-27 18:35:03,823 WARN L222 SmtUtils]: Spent 12.32s 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) [2023-01-27 18:35:09,403 WARN L222 SmtUtils]: Spent 5.58s 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) [2023-01-27 18:35:23,391 WARN L222 SmtUtils]: Spent 9.40s 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) [2023-01-27 18:35:40,289 WARN L222 SmtUtils]: Spent 12.50s 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) [2023-01-27 18:35:46,052 WARN L222 SmtUtils]: Spent 5.76s 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) [2023-01-27 18:36:12,564 WARN L222 SmtUtils]: Spent 17.41s 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) [2023-01-27 18:36:17,778 WARN L222 SmtUtils]: Spent 5.21s 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) [2023-01-27 18:36:31,698 WARN L222 SmtUtils]: Spent 13.92s 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) [2023-01-27 18:36:37,426 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) [2023-01-27 18:36:43,785 WARN L222 SmtUtils]: Spent 5.66s 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) [2023-01-27 18:36:50,600 WARN L222 SmtUtils]: Spent 6.81s 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) [2023-01-27 18:36:57,498 WARN L222 SmtUtils]: Spent 6.89s 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) [2023-01-27 18:37:04,257 WARN L222 SmtUtils]: Spent 6.76s 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) [2023-01-27 18:37:23,635 WARN L222 SmtUtils]: Spent 5.94s on a formula simplification that was a NOOP. DAG size: 308 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-01-27 18:37:29,104 WARN L222 SmtUtils]: Spent 5.47s on a formula simplification that was a NOOP. DAG size: 308 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) Received shutdown request... [2023-01-27 18:37:36,643 WARN L238 SmtUtils]: Removed 16 from assertion stack [2023-01-27 18:37:36,643 INFO L256 ToolchainWalker]: Toolchain cancelled while executing plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction. Reason: Timeout or Toolchain cancelled by user [2023-01-27 18:37:36,645 INFO L158 Benchmark]: Toolchain (without parser) took 877146.67ms. Allocated memory was 358.6MB in the beginning and 5.8GB in the end (delta: 5.4GB). Free memory was 296.0MB in the beginning and 4.4GB in the end (delta: -4.1GB). Peak memory consumption was 3.5GB. Max. memory is 16.0GB. [2023-01-27 18:37:36,645 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 358.6MB. Free memory is still 307.8MB. There was no memory consumed. Max. memory is 16.0GB. [2023-01-27 18:37:36,645 INFO L158 Benchmark]: CACSL2BoogieTranslator took 641.09ms. Allocated memory was 358.6MB in the beginning and 530.6MB in the end (delta: 172.0MB). Free memory was 295.7MB in the beginning and 469.4MB in the end (delta: -173.7MB). Peak memory consumption was 31.3MB. Max. memory is 16.0GB. [2023-01-27 18:37:36,645 INFO L158 Benchmark]: Boogie Procedure Inliner took 142.01ms. Allocated memory is still 530.6MB. Free memory was 469.4MB in the beginning and 450.6MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.0GB. [2023-01-27 18:37:36,646 INFO L158 Benchmark]: Boogie Preprocessor took 196.45ms. Allocated memory is still 530.6MB. Free memory was 450.6MB in the beginning and 432.7MB in the end (delta: 17.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.0GB. [2023-01-27 18:37:36,646 INFO L158 Benchmark]: RCFGBuilder took 4206.74ms. Allocated memory was 530.6MB in the beginning and 870.3MB in the end (delta: 339.7MB). Free memory was 432.7MB in the beginning and 714.8MB in the end (delta: -282.1MB). Peak memory consumption was 276.8MB. Max. memory is 16.0GB. [2023-01-27 18:37:36,646 INFO L158 Benchmark]: TraceAbstraction took 871954.52ms. Allocated memory was 870.3MB in the beginning and 5.8GB in the end (delta: 4.9GB). Free memory was 714.8MB in the beginning and 4.4GB in the end (delta: -3.6GB). Peak memory consumption was 3.5GB. Max. memory is 16.0GB. [2023-01-27 18:37:36,647 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 358.6MB. Free memory is still 307.8MB. There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 641.09ms. Allocated memory was 358.6MB in the beginning and 530.6MB in the end (delta: 172.0MB). Free memory was 295.7MB in the beginning and 469.4MB in the end (delta: -173.7MB). Peak memory consumption was 31.3MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 142.01ms. Allocated memory is still 530.6MB. Free memory was 469.4MB in the beginning and 450.6MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.0GB. * Boogie Preprocessor took 196.45ms. Allocated memory is still 530.6MB. Free memory was 450.6MB in the beginning and 432.7MB in the end (delta: 17.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.0GB. * RCFGBuilder took 4206.74ms. Allocated memory was 530.6MB in the beginning and 870.3MB in the end (delta: 339.7MB). Free memory was 432.7MB in the beginning and 714.8MB in the end (delta: -282.1MB). Peak memory consumption was 276.8MB. Max. memory is 16.0GB. * TraceAbstraction took 871954.52ms. Allocated memory was 870.3MB in the beginning and 5.8GB in the end (delta: 4.9GB). Free memory was 714.8MB in the beginning and 4.4GB in the end (delta: -3.6GB). Peak memory consumption was 3.5GB. 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 269908 co-enabled transitions pairs.,while TransFormulaUtils was doing sequential composition of 2 TransFormulas,while SimplifyDDAWithTimeout was simplifying term of DAG size 313 for 7328ms.. RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown