/root/.sdkman/candidates/java/21.0.5-tem/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata ./data -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../benchexec/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --traceabstraction.automaton.type.used.in.concurrency.analysis FINITE_AUTOMATA -i ../../../trunk/examples/svcomp/pthread-complex/elimination_backoff_stack.i -------------------------------------------------------------------------------- This is Ultimate 0.3.0-wip.dk.cfg-lbe-improvements-94356ea-m [2025-04-13 17:24:46,722 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-04-13 17:24:46,775 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../benchexec/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2025-04-13 17:24:46,779 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-04-13 17:24:46,779 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-04-13 17:24:46,797 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-04-13 17:24:46,798 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-04-13 17:24:46,798 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-04-13 17:24:46,798 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-04-13 17:24:46,798 INFO L153 SettingsManager]: * Use memory slicer=true [2025-04-13 17:24:46,798 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-04-13 17:24:46,798 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-04-13 17:24:46,798 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-04-13 17:24:46,798 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-04-13 17:24:46,798 INFO L153 SettingsManager]: * Use SBE=true [2025-04-13 17:24:46,799 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-04-13 17:24:46,799 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-04-13 17:24:46,799 INFO L153 SettingsManager]: * sizeof long=4 [2025-04-13 17:24:46,799 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-04-13 17:24:46,799 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-04-13 17:24:46,799 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-04-13 17:24:46,799 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-04-13 17:24:46,799 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-04-13 17:24:46,799 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-04-13 17:24:46,799 INFO L153 SettingsManager]: * sizeof long double=12 [2025-04-13 17:24:46,799 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-04-13 17:24:46,799 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-04-13 17:24:46,799 INFO L153 SettingsManager]: * Use constant arrays=true [2025-04-13 17:24:46,799 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-04-13 17:24:46,799 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-04-13 17:24:46,799 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-04-13 17:24:46,799 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-04-13 17:24:46,800 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-13 17:24:46,800 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-04-13 17:24:46,800 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-04-13 17:24:46,800 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-04-13 17:24:46,800 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-04-13 17:24:46,800 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-13 17:24:46,800 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-04-13 17:24:46,800 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-04-13 17:24:46,800 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-04-13 17:24:46,800 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-04-13 17:24:46,800 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-04-13 17:24:46,800 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-04-13 17:24:46,800 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-04-13 17:24:46,800 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-04-13 17:24:46,800 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-04-13 17:24:46,800 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Automaton type used in concurrency analysis -> FINITE_AUTOMATA [2025-04-13 17:24:47,016 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-04-13 17:24:47,023 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-04-13 17:24:47,025 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-04-13 17:24:47,025 INFO L270 PluginConnector]: Initializing CDTParser... [2025-04-13 17:24:47,027 INFO L274 PluginConnector]: CDTParser initialized [2025-04-13 17:24:47,028 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-complex/elimination_backoff_stack.i [2025-04-13 17:24:48,242 INFO L538 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2f6aa3426/5f782aa4ff4d4f2abf3e5117d0c4d452/FLAG9be5195fa [2025-04-13 17:24:48,520 INFO L389 CDTParser]: Found 1 translation units. [2025-04-13 17:24:48,521 INFO L178 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-complex/elimination_backoff_stack.i [2025-04-13 17:24:48,543 INFO L432 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2f6aa3426/5f782aa4ff4d4f2abf3e5117d0c4d452/FLAG9be5195fa [2025-04-13 17:24:49,243 INFO L440 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2f6aa3426/5f782aa4ff4d4f2abf3e5117d0c4d452 [2025-04-13 17:24:49,245 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-04-13 17:24:49,246 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2025-04-13 17:24:49,247 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-04-13 17:24:49,247 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-04-13 17:24:49,250 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-04-13 17:24:49,251 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.04 05:24:49" (1/1) ... [2025-04-13 17:24:49,251 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1092ede8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 05:24:49, skipping insertion in model container [2025-04-13 17:24:49,251 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.04 05:24:49" (1/1) ... [2025-04-13 17:24:49,283 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-04-13 17:24:49,812 WARN L250 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[63614,63627] [2025-04-13 17:24:49,833 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-04-13 17:24:49,844 INFO L200 MainTranslator]: Completed pre-run [2025-04-13 17:24:49,911 WARN L250 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[63614,63627] [2025-04-13 17:24:49,917 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-04-13 17:24:49,973 INFO L204 MainTranslator]: Completed translation [2025-04-13 17:24:49,974 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 05:24:49 WrapperNode [2025-04-13 17:24:49,974 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-04-13 17:24:49,975 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-04-13 17:24:49,975 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-04-13 17:24:49,975 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-04-13 17:24:49,980 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 05:24:49" (1/1) ... [2025-04-13 17:24:49,999 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 05:24:49" (1/1) ... [2025-04-13 17:24:50,096 INFO L138 Inliner]: procedures = 396, calls = 206, calls flagged for inlining = 52, calls inlined = 211, statements flattened = 3772 [2025-04-13 17:24:50,097 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-04-13 17:24:50,097 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-04-13 17:24:50,097 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-04-13 17:24:50,097 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-04-13 17:24:50,103 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 05:24:49" (1/1) ... [2025-04-13 17:24:50,104 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 05:24:49" (1/1) ... [2025-04-13 17:24:50,139 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 05:24:49" (1/1) ... [2025-04-13 17:24:50,324 INFO L175 MemorySlicer]: Split 700 memory accesses to 9 slices as follows [366, 2, 22, 36, 28, 22, 25, 86, 113]. 52 percent of accesses are in the largest equivalence class. The 39 initializations are split as follows [16, 2, 1, 4, 2, 2, 3, 1, 8]. The 287 writes are split as follows [157, 0, 7, 25, 6, 3, 4, 29, 56]. [2025-04-13 17:24:50,325 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 05:24:49" (1/1) ... [2025-04-13 17:24:50,325 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 05:24:49" (1/1) ... [2025-04-13 17:24:50,393 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 05:24:49" (1/1) ... [2025-04-13 17:24:50,399 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 05:24:49" (1/1) ... [2025-04-13 17:24:50,418 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 05:24:49" (1/1) ... [2025-04-13 17:24:50,435 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 05:24:49" (1/1) ... [2025-04-13 17:24:50,448 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 05:24:49" (1/1) ... [2025-04-13 17:24:50,486 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-04-13 17:24:50,487 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-04-13 17:24:50,487 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-04-13 17:24:50,488 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-04-13 17:24:50,488 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 05:24:49" (1/1) ... [2025-04-13 17:24:50,492 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-13 17:24:50,501 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-13 17:24:50,512 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-04-13 17:24:50,514 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-04-13 17:24:50,532 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2025-04-13 17:24:50,532 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2025-04-13 17:24:50,532 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-04-13 17:24:50,533 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-04-13 17:24:50,533 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-04-13 17:24:50,533 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-04-13 17:24:50,533 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-04-13 17:24:50,533 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-04-13 17:24:50,533 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-04-13 17:24:50,533 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2025-04-13 17:24:50,533 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2025-04-13 17:24:50,533 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-04-13 17:24:50,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-04-13 17:24:50,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-04-13 17:24:50,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-04-13 17:24:50,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-04-13 17:24:50,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-04-13 17:24:50,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-04-13 17:24:50,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2025-04-13 17:24:50,534 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2025-04-13 17:24:50,534 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2025-04-13 17:24:50,534 INFO L130 BoogieDeclarations]: Found specification of procedure instrPush2 [2025-04-13 17:24:50,534 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPush2 [2025-04-13 17:24:50,534 INFO L130 BoogieDeclarations]: Found specification of procedure instrPush1 [2025-04-13 17:24:50,534 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPush1 [2025-04-13 17:24:50,534 INFO L130 BoogieDeclarations]: Found specification of procedure instrPush0 [2025-04-13 17:24:50,534 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPush0 [2025-04-13 17:24:50,534 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-04-13 17:24:50,534 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-04-13 17:24:50,534 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-04-13 17:24:50,534 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-04-13 17:24:50,534 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-04-13 17:24:50,535 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-04-13 17:24:50,535 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-04-13 17:24:50,535 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-04-13 17:24:50,535 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2025-04-13 17:24:50,536 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2025-04-13 17:24:50,536 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2025-04-13 17:24:50,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-04-13 17:24:50,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-04-13 17:24:50,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-04-13 17:24:50,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-04-13 17:24:50,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-04-13 17:24:50,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-04-13 17:24:50,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2025-04-13 17:24:50,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2025-04-13 17:24:50,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2025-04-13 17:24:50,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-04-13 17:24:50,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-04-13 17:24:50,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-04-13 17:24:50,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-04-13 17:24:50,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-04-13 17:24:50,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-04-13 17:24:50,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-04-13 17:24:50,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2025-04-13 17:24:50,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2025-04-13 17:24:50,536 INFO L130 BoogieDeclarations]: Found specification of procedure instrPop5 [2025-04-13 17:24:50,536 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPop5 [2025-04-13 17:24:50,536 INFO L130 BoogieDeclarations]: Found specification of procedure instrPop6 [2025-04-13 17:24:50,536 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPop6 [2025-04-13 17:24:50,536 INFO L130 BoogieDeclarations]: Found specification of procedure instrPop3 [2025-04-13 17:24:50,537 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPop3 [2025-04-13 17:24:50,537 INFO L130 BoogieDeclarations]: Found specification of procedure instrPop4 [2025-04-13 17:24:50,537 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPop4 [2025-04-13 17:24:50,537 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-04-13 17:24:50,537 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-04-13 17:24:50,537 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-04-13 17:24:50,537 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-04-13 17:24:50,537 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-04-13 17:24:50,537 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-04-13 17:24:50,537 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-04-13 17:24:50,537 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2025-04-13 17:24:50,537 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2025-04-13 17:24:50,541 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-04-13 17:24:50,861 INFO L234 CfgBuilder]: Building ICFG [2025-04-13 17:24:50,863 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-04-13 17:24:53,548 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-04-13 17:24:53,549 INFO L289 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-04-13 17:24:53,549 INFO L294 CfgBuilder]: Performing block encoding [2025-04-13 17:24:56,202 WARN L179 LargeBlockEncoding]: Complex 2:2 sequential composition. Such compositions can cause exponential blowup and should not occur in structured programs. [2025-04-13 17:24:56,289 WARN L179 LargeBlockEncoding]: Complex 2:3 sequential composition. Such compositions can cause exponential blowup and should not occur in structured programs. [2025-04-13 17:24:56,300 WARN L179 LargeBlockEncoding]: Complex 2:2 sequential composition. Such compositions can cause exponential blowup and should not occur in structured programs. [2025-04-13 17:24:56,346 WARN L179 LargeBlockEncoding]: Complex 2:3 sequential composition. Such compositions can cause exponential blowup and should not occur in structured programs. [2025-04-13 17:24:56,358 WARN L179 LargeBlockEncoding]: Complex 2:3 sequential composition. Such compositions can cause exponential blowup and should not occur in structured programs. [2025-04-13 17:24:56,373 WARN L179 LargeBlockEncoding]: Complex 2:3 sequential composition. Such compositions can cause exponential blowup and should not occur in structured programs. [2025-04-13 17:24:56,387 WARN L179 LargeBlockEncoding]: Complex 2:3 sequential composition. Such compositions can cause exponential blowup and should not occur in structured programs. [2025-04-13 17:24:56,402 WARN L179 LargeBlockEncoding]: Complex 2:3 sequential composition. Such compositions can cause exponential blowup and should not occur in structured programs. [2025-04-13 17:24:56,434 WARN L179 LargeBlockEncoding]: Complex 4:2 sequential composition. Such compositions can cause exponential blowup and should not occur in structured programs. [2025-04-13 17:24:56,444 WARN L179 LargeBlockEncoding]: Complex 4:2 sequential composition. Such compositions can cause exponential blowup and should not occur in structured programs. [2025-04-13 17:24:56,457 WARN L179 LargeBlockEncoding]: Complex 4:2 sequential composition. Such compositions can cause exponential blowup and should not occur in structured programs. [2025-04-13 17:24:56,465 WARN L179 LargeBlockEncoding]: Complex 4:2 sequential composition. Such compositions can cause exponential blowup and should not occur in structured programs. [2025-04-13 17:24:56,477 WARN L179 LargeBlockEncoding]: Complex 4:2 sequential composition. Such compositions can cause exponential blowup and should not occur in structured programs. [2025-04-13 17:24:56,489 WARN L179 LargeBlockEncoding]: Complex 4:2 sequential composition. Such compositions can cause exponential blowup and should not occur in structured programs. [2025-04-13 17:24:56,500 WARN L179 LargeBlockEncoding]: Complex 4:2 sequential composition. Such compositions can cause exponential blowup and should not occur in structured programs. [2025-04-13 17:24:56,516 INFO L313 CfgBuilder]: Removed 0 assume(true) statements. [2025-04-13 17:24:56,517 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.04 05:24:56 BoogieIcfgContainer [2025-04-13 17:24:56,517 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-04-13 17:24:56,518 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-04-13 17:24:56,518 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-04-13 17:24:56,522 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-04-13 17:24:56,523 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.04 05:24:49" (1/3) ... [2025-04-13 17:24:56,523 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e831e7a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.04 05:24:56, skipping insertion in model container [2025-04-13 17:24:56,523 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 05:24:49" (2/3) ... [2025-04-13 17:24:56,524 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e831e7a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.04 05:24:56, skipping insertion in model container [2025-04-13 17:24:56,524 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.04 05:24:56" (3/3) ... [2025-04-13 17:24:56,525 INFO L128 eAbstractionObserver]: Analyzing ICFG elimination_backoff_stack.i [2025-04-13 17:24:56,537 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-04-13 17:24:56,539 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG elimination_backoff_stack.i that has 8 procedures, 269 locations, 366 edges, 1 initial locations, 0 loop locations, and 7 error locations. [2025-04-13 17:24:56,540 INFO L490 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-04-13 17:24:57,411 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2025-04-13 17:24:57,435 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 290 places, 373 transitions, 774 flow