/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-8.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.3.0-wip.dk.cfg-lbe-improvements-94356ea-m [2025-04-13 18:08:23,328 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-04-13 18:08:23,433 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 18:08:23,446 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-04-13 18:08:23,446 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-04-13 18:08:23,482 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-04-13 18:08:23,482 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-04-13 18:08:23,482 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-04-13 18:08:23,483 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-04-13 18:08:23,483 INFO L153 SettingsManager]: * Use memory slicer=true [2025-04-13 18:08:23,483 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-04-13 18:08:23,483 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-04-13 18:08:23,483 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-04-13 18:08:23,483 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-04-13 18:08:23,483 INFO L153 SettingsManager]: * Use SBE=true [2025-04-13 18:08:23,483 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-04-13 18:08:23,483 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-04-13 18:08:23,483 INFO L153 SettingsManager]: * sizeof long=4 [2025-04-13 18:08:23,483 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-04-13 18:08:23,483 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-04-13 18:08:23,484 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-04-13 18:08:23,484 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-04-13 18:08:23,484 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-04-13 18:08:23,484 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-04-13 18:08:23,484 INFO L153 SettingsManager]: * sizeof long double=12 [2025-04-13 18:08:23,484 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-04-13 18:08:23,484 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-04-13 18:08:23,484 INFO L153 SettingsManager]: * Use constant arrays=true [2025-04-13 18:08:23,484 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-04-13 18:08:23,484 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-04-13 18:08:23,484 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-04-13 18:08:23,484 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-04-13 18:08:23,484 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-13 18:08:23,484 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-04-13 18:08:23,484 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-04-13 18:08:23,484 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-04-13 18:08:23,485 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-04-13 18:08:23,485 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-13 18:08:23,485 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-04-13 18:08:23,485 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-04-13 18:08:23,485 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-04-13 18:08:23,485 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-04-13 18:08:23,485 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-04-13 18:08:23,485 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-04-13 18:08:23,485 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-04-13 18:08:23,485 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-04-13 18:08:23,485 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-04-13 18:08:23,485 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 18:08:23,923 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-04-13 18:08:23,940 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-04-13 18:08:23,941 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-04-13 18:08:23,945 INFO L270 PluginConnector]: Initializing CDTParser... [2025-04-13 18:08:23,945 INFO L274 PluginConnector]: CDTParser initialized [2025-04-13 18:08:23,946 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/parallel-ticket-8.wvr.c [2025-04-13 18:08:25,684 INFO L538 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3bde0d515/ac7820e118a34ae999fe56d54de2faf8/FLAG677a5b5d6 [2025-04-13 18:08:26,087 INFO L389 CDTParser]: Found 1 translation units. [2025-04-13 18:08:26,088 INFO L178 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-ticket-8.wvr.c [2025-04-13 18:08:26,096 INFO L432 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3bde0d515/ac7820e118a34ae999fe56d54de2faf8/FLAG677a5b5d6 [2025-04-13 18:08:26,760 INFO L440 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3bde0d515/ac7820e118a34ae999fe56d54de2faf8 [2025-04-13 18:08:26,762 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-04-13 18:08:26,763 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2025-04-13 18:08:26,770 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-04-13 18:08:26,770 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-04-13 18:08:26,778 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-04-13 18:08:26,779 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.04 06:08:26" (1/1) ... [2025-04-13 18:08:26,780 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6aec322e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 06:08:26, skipping insertion in model container [2025-04-13 18:08:26,780 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.04 06:08:26" (1/1) ... [2025-04-13 18:08:26,808 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-04-13 18:08:27,113 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-8.wvr.c[3446,3459] [2025-04-13 18:08:27,127 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-04-13 18:08:27,147 INFO L200 MainTranslator]: Completed pre-run [2025-04-13 18:08:27,214 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-8.wvr.c[3446,3459] [2025-04-13 18:08:27,214 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-04-13 18:08:27,236 INFO L204 MainTranslator]: Completed translation [2025-04-13 18:08:27,238 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 06:08:27 WrapperNode [2025-04-13 18:08:27,238 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-04-13 18:08:27,239 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-04-13 18:08:27,239 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-04-13 18:08:27,239 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-04-13 18:08:27,245 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 06:08:27" (1/1) ... [2025-04-13 18:08:27,257 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 06:08:27" (1/1) ... [2025-04-13 18:08:27,302 INFO L138 Inliner]: procedures = 24, calls = 24, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 300 [2025-04-13 18:08:27,302 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-04-13 18:08:27,302 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-04-13 18:08:27,303 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-04-13 18:08:27,303 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-04-13 18:08:27,321 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 06:08:27" (1/1) ... [2025-04-13 18:08:27,322 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 06:08:27" (1/1) ... [2025-04-13 18:08:27,334 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 06:08:27" (1/1) ... [2025-04-13 18:08:27,368 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 18:08:27,369 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 06:08:27" (1/1) ... [2025-04-13 18:08:27,369 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 06:08:27" (1/1) ... [2025-04-13 18:08:27,383 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 06:08:27" (1/1) ... [2025-04-13 18:08:27,384 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 06:08:27" (1/1) ... [2025-04-13 18:08:27,392 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 06:08:27" (1/1) ... [2025-04-13 18:08:27,397 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 06:08:27" (1/1) ... [2025-04-13 18:08:27,398 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 06:08:27" (1/1) ... [2025-04-13 18:08:27,405 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-04-13 18:08:27,406 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-04-13 18:08:27,406 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-04-13 18:08:27,406 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-04-13 18:08:27,409 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 06:08:27" (1/1) ... [2025-04-13 18:08:27,417 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-13 18:08:27,440 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-13 18:08:27,458 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 18:08:27,467 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 18:08:27,497 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-04-13 18:08:27,498 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2025-04-13 18:08:27,498 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2025-04-13 18:08:27,498 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2025-04-13 18:08:27,498 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2025-04-13 18:08:27,498 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2025-04-13 18:08:27,498 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2025-04-13 18:08:27,498 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2025-04-13 18:08:27,498 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2025-04-13 18:08:27,498 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-04-13 18:08:27,498 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2025-04-13 18:08:27,498 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2025-04-13 18:08:27,498 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2025-04-13 18:08:27,498 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2025-04-13 18:08:27,498 INFO L130 BoogieDeclarations]: Found specification of procedure thread7 [2025-04-13 18:08:27,498 INFO L138 BoogieDeclarations]: Found implementation of procedure thread7 [2025-04-13 18:08:27,498 INFO L130 BoogieDeclarations]: Found specification of procedure thread8 [2025-04-13 18:08:27,498 INFO L138 BoogieDeclarations]: Found implementation of procedure thread8 [2025-04-13 18:08:27,498 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-04-13 18:08:27,498 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-04-13 18:08:27,501 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 18:08:27,634 INFO L234 CfgBuilder]: Building ICFG [2025-04-13 18:08:27,636 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-04-13 18:08:28,154 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-04-13 18:08:28,155 INFO L289 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-04-13 18:08:28,155 INFO L294 CfgBuilder]: Performing block encoding [2025-04-13 18:08:28,659 INFO L313 CfgBuilder]: Removed 0 assume(true) statements. [2025-04-13 18:08:28,659 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.04 06:08:28 BoogieIcfgContainer [2025-04-13 18:08:28,659 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-04-13 18:08:28,666 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-04-13 18:08:28,666 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-04-13 18:08:28,673 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-04-13 18:08:28,674 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.04 06:08:26" (1/3) ... [2025-04-13 18:08:28,674 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9b11089 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.04 06:08:28, skipping insertion in model container [2025-04-13 18:08:28,674 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 06:08:27" (2/3) ... [2025-04-13 18:08:28,674 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9b11089 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.04 06:08:28, skipping insertion in model container [2025-04-13 18:08:28,674 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.04 06:08:28" (3/3) ... [2025-04-13 18:08:28,675 INFO L128 eAbstractionObserver]: Analyzing ICFG parallel-ticket-8.wvr.c [2025-04-13 18:08:28,699 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-04-13 18:08:28,701 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG parallel-ticket-8.wvr.c that has 9 procedures, 93 locations, 91 edges, 1 initial locations, 0 loop locations, and 1 error locations. [2025-04-13 18:08:28,701 INFO L490 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-04-13 18:08:28,817 INFO L143 ThreadInstanceAdder]: Constructed 8 joinOtherThreadTransitions. [2025-04-13 18:08:28,855 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 117 places, 99 transitions, 254 flow