/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/weaver/parallel-ticket-7.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.3.0-wip.dk.cfg-lbe-improvements-94356ea-m [2025-04-13 18:08:11,496 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-04-13 18:08:11,533 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 18:08:11,536 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-04-13 18:08:11,536 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-04-13 18:08:11,551 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-04-13 18:08:11,551 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-04-13 18:08:11,551 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-04-13 18:08:11,553 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-04-13 18:08:11,553 INFO L153 SettingsManager]: * Use memory slicer=true [2025-04-13 18:08:11,553 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-04-13 18:08:11,553 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-04-13 18:08:11,553 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-04-13 18:08:11,553 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-04-13 18:08:11,553 INFO L153 SettingsManager]: * Use SBE=true [2025-04-13 18:08:11,553 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-04-13 18:08:11,553 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-04-13 18:08:11,553 INFO L153 SettingsManager]: * sizeof long=4 [2025-04-13 18:08:11,553 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-04-13 18:08:11,553 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-04-13 18:08:11,554 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-04-13 18:08:11,554 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-04-13 18:08:11,554 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-04-13 18:08:11,554 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-04-13 18:08:11,554 INFO L153 SettingsManager]: * sizeof long double=12 [2025-04-13 18:08:11,554 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-04-13 18:08:11,554 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-04-13 18:08:11,554 INFO L153 SettingsManager]: * Use constant arrays=true [2025-04-13 18:08:11,554 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-04-13 18:08:11,554 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-04-13 18:08:11,554 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-04-13 18:08:11,554 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-04-13 18:08:11,554 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-13 18:08:11,554 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-04-13 18:08:11,554 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-04-13 18:08:11,554 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-04-13 18:08:11,555 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-04-13 18:08:11,555 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-13 18:08:11,555 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-04-13 18:08:11,555 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-04-13 18:08:11,555 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-04-13 18:08:11,555 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-04-13 18:08:11,555 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-04-13 18:08:11,555 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-04-13 18:08:11,555 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-04-13 18:08:11,555 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-04-13 18:08:11,555 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-04-13 18:08:11,555 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 18:08:11,756 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-04-13 18:08:11,763 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-04-13 18:08:11,764 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-04-13 18:08:11,765 INFO L270 PluginConnector]: Initializing CDTParser... [2025-04-13 18:08:11,767 INFO L274 PluginConnector]: CDTParser initialized [2025-04-13 18:08:11,768 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/parallel-ticket-7.wvr.c [2025-04-13 18:08:13,056 INFO L538 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/66f1a8fa1/2ddae34f3df4412e956c6c5e0c1f9fe9/FLAGfabe0c553 [2025-04-13 18:08:13,253 INFO L389 CDTParser]: Found 1 translation units. [2025-04-13 18:08:13,253 INFO L178 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-ticket-7.wvr.c [2025-04-13 18:08:13,261 INFO L432 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/66f1a8fa1/2ddae34f3df4412e956c6c5e0c1f9fe9/FLAGfabe0c553 [2025-04-13 18:08:14,107 INFO L440 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/66f1a8fa1/2ddae34f3df4412e956c6c5e0c1f9fe9 [2025-04-13 18:08:14,110 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-04-13 18:08:14,111 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2025-04-13 18:08:14,112 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-04-13 18:08:14,112 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-04-13 18:08:14,115 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-04-13 18:08:14,116 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.04 06:08:14" (1/1) ... [2025-04-13 18:08:14,117 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e847b0c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 06:08:14, skipping insertion in model container [2025-04-13 18:08:14,117 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.04 06:08:14" (1/1) ... [2025-04-13 18:08:14,130 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-04-13 18:08:14,310 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-ticket-7.wvr.c[3223,3236] [2025-04-13 18:08:14,318 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-04-13 18:08:14,324 INFO L200 MainTranslator]: Completed pre-run [2025-04-13 18:08:14,362 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-ticket-7.wvr.c[3223,3236] [2025-04-13 18:08:14,363 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-04-13 18:08:14,378 INFO L204 MainTranslator]: Completed translation [2025-04-13 18:08:14,379 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 06:08:14 WrapperNode [2025-04-13 18:08:14,379 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-04-13 18:08:14,380 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-04-13 18:08:14,380 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-04-13 18:08:14,380 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-04-13 18:08:14,385 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 06:08:14" (1/1) ... [2025-04-13 18:08:14,393 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 06:08:14" (1/1) ... [2025-04-13 18:08:14,419 INFO L138 Inliner]: procedures = 23, calls = 22, calls flagged for inlining = 11, calls inlined = 11, statements flattened = 268 [2025-04-13 18:08:14,419 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-04-13 18:08:14,422 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-04-13 18:08:14,422 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-04-13 18:08:14,422 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-04-13 18:08:14,428 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 06:08:14" (1/1) ... [2025-04-13 18:08:14,428 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 06:08:14" (1/1) ... [2025-04-13 18:08:14,435 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 06:08:14" (1/1) ... [2025-04-13 18:08:14,456 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2025-04-13 18:08:14,456 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 06:08:14" (1/1) ... [2025-04-13 18:08:14,456 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 06:08:14" (1/1) ... [2025-04-13 18:08:14,459 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 06:08:14" (1/1) ... [2025-04-13 18:08:14,460 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 06:08:14" (1/1) ... [2025-04-13 18:08:14,461 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 06:08:14" (1/1) ... [2025-04-13 18:08:14,462 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 06:08:14" (1/1) ... [2025-04-13 18:08:14,463 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 06:08:14" (1/1) ... [2025-04-13 18:08:14,472 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-04-13 18:08:14,473 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-04-13 18:08:14,473 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-04-13 18:08:14,473 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-04-13 18:08:14,475 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 06:08:14" (1/1) ... [2025-04-13 18:08:14,478 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-13 18:08:14,486 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-13 18:08:14,495 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 18:08:14,497 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 18:08:14,516 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-04-13 18:08:14,516 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2025-04-13 18:08:14,516 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2025-04-13 18:08:14,516 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2025-04-13 18:08:14,516 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2025-04-13 18:08:14,516 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2025-04-13 18:08:14,516 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2025-04-13 18:08:14,516 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2025-04-13 18:08:14,516 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2025-04-13 18:08:14,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-04-13 18:08:14,516 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2025-04-13 18:08:14,516 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2025-04-13 18:08:14,516 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2025-04-13 18:08:14,516 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2025-04-13 18:08:14,516 INFO L130 BoogieDeclarations]: Found specification of procedure thread7 [2025-04-13 18:08:14,516 INFO L138 BoogieDeclarations]: Found implementation of procedure thread7 [2025-04-13 18:08:14,516 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-04-13 18:08:14,517 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-04-13 18:08:14,517 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 18:08:14,603 INFO L234 CfgBuilder]: Building ICFG [2025-04-13 18:08:14,605 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-04-13 18:08:14,831 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-04-13 18:08:14,831 INFO L289 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-04-13 18:08:14,831 INFO L294 CfgBuilder]: Performing block encoding [2025-04-13 18:08:15,036 INFO L313 CfgBuilder]: Removed 0 assume(true) statements. [2025-04-13 18:08:15,037 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.04 06:08:15 BoogieIcfgContainer [2025-04-13 18:08:15,037 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-04-13 18:08:15,038 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-04-13 18:08:15,038 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-04-13 18:08:15,041 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-04-13 18:08:15,041 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.04 06:08:14" (1/3) ... [2025-04-13 18:08:15,042 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5db4353c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.04 06:08:15, skipping insertion in model container [2025-04-13 18:08:15,042 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 06:08:14" (2/3) ... [2025-04-13 18:08:15,042 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5db4353c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.04 06:08:15, skipping insertion in model container [2025-04-13 18:08:15,042 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.04 06:08:15" (3/3) ... [2025-04-13 18:08:15,043 INFO L128 eAbstractionObserver]: Analyzing ICFG parallel-ticket-7.wvr.c [2025-04-13 18:08:15,054 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-04-13 18:08:15,055 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG parallel-ticket-7.wvr.c that has 8 procedures, 83 locations, 81 edges, 1 initial locations, 0 loop locations, and 1 error locations. [2025-04-13 18:08:15,055 INFO L490 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-04-13 18:08:15,117 INFO L143 ThreadInstanceAdder]: Constructed 7 joinOtherThreadTransitions. [2025-04-13 18:08:15,140 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 104 places, 88 transitions, 225 flow