/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_IcfgBuilder.xml -s ../benchexec/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --traceabstraction.automaton.type.used.in.concurrency.analysis FINITE_AUTOMATA --preprocessor.replace.while.statements.and.if-then-else.statements false -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 22:39:37,674 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-04-13 22:39:37,725 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 22:39:37,731 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-04-13 22:39:37,731 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-04-13 22:39:37,755 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-04-13 22:39:37,755 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-04-13 22:39:37,755 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-04-13 22:39:37,755 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-04-13 22:39:37,755 INFO L153 SettingsManager]: * Use memory slicer=true [2025-04-13 22:39:37,756 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-04-13 22:39:37,756 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-04-13 22:39:37,756 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-04-13 22:39:37,756 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-04-13 22:39:37,756 INFO L153 SettingsManager]: * Use SBE=true [2025-04-13 22:39:37,756 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-04-13 22:39:37,756 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-04-13 22:39:37,756 INFO L153 SettingsManager]: * sizeof long=4 [2025-04-13 22:39:37,756 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-04-13 22:39:37,756 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-04-13 22:39:37,756 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-04-13 22:39:37,756 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-04-13 22:39:37,756 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-04-13 22:39:37,756 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-04-13 22:39:37,757 INFO L153 SettingsManager]: * sizeof long double=12 [2025-04-13 22:39:37,757 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-04-13 22:39:37,757 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-04-13 22:39:37,757 INFO L153 SettingsManager]: * Use constant arrays=true [2025-04-13 22:39:37,757 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-04-13 22:39:37,757 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-04-13 22:39:37,757 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-04-13 22:39:37,757 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-04-13 22:39:37,757 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-13 22:39:37,757 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-04-13 22:39:37,757 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-04-13 22:39:37,757 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-04-13 22:39:37,757 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-04-13 22:39:37,757 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-13 22:39:37,757 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-04-13 22:39:37,757 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-04-13 22:39:37,757 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-04-13 22:39:37,758 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-04-13 22:39:37,758 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-04-13 22:39:37,758 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-04-13 22:39:37,758 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-04-13 22:39:37,758 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-04-13 22:39:37,758 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-04-13 22:39:37,758 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 Applying setting for plugin de.uni_freiburg.informatik.ultimate.boogie.preprocessor: Replace while statements and if-then-else statements -> false [2025-04-13 22:39:37,964 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-04-13 22:39:37,969 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-04-13 22:39:37,970 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-04-13 22:39:37,971 INFO L270 PluginConnector]: Initializing CDTParser... [2025-04-13 22:39:37,971 INFO L274 PluginConnector]: CDTParser initialized [2025-04-13 22:39:37,972 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/parallel-ticket-8.wvr.c [2025-04-13 22:39:39,224 INFO L538 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d5c1163ca/955767fde4144acea1325dc0e78e0b56/FLAG0eab2d831 [2025-04-13 22:39:39,431 INFO L389 CDTParser]: Found 1 translation units. [2025-04-13 22:39:39,431 INFO L178 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-ticket-8.wvr.c [2025-04-13 22:39:39,437 INFO L432 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d5c1163ca/955767fde4144acea1325dc0e78e0b56/FLAG0eab2d831 [2025-04-13 22:39:40,225 INFO L440 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d5c1163ca/955767fde4144acea1325dc0e78e0b56 [2025-04-13 22:39:40,227 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-04-13 22:39:40,228 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2025-04-13 22:39:40,229 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-04-13 22:39:40,229 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-04-13 22:39:40,232 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-04-13 22:39:40,232 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.04 10:39:40" (1/1) ... [2025-04-13 22:39:40,233 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1cb93bff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 10:39:40, skipping insertion in model container [2025-04-13 22:39:40,233 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.04 10:39:40" (1/1) ... [2025-04-13 22:39:40,247 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-04-13 22:39:40,405 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 22:39:40,409 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-04-13 22:39:40,414 INFO L200 MainTranslator]: Completed pre-run [2025-04-13 22:39:40,441 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 22:39:40,442 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-04-13 22:39:40,452 INFO L204 MainTranslator]: Completed translation [2025-04-13 22:39:40,453 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 10:39:40 WrapperNode [2025-04-13 22:39:40,453 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-04-13 22:39:40,454 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-04-13 22:39:40,454 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-04-13 22:39:40,454 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-04-13 22:39:40,457 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 10:39:40" (1/1) ... [2025-04-13 22:39:40,464 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 10:39:40" (1/1) ... [2025-04-13 22:39:40,485 INFO L138 Inliner]: procedures = 24, calls = 24, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 300 [2025-04-13 22:39:40,486 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-04-13 22:39:40,486 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-04-13 22:39:40,486 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-04-13 22:39:40,486 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-04-13 22:39:40,494 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 10:39:40" (1/1) ... [2025-04-13 22:39:40,494 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 10:39:40" (1/1) ... [2025-04-13 22:39:40,496 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 10:39:40" (1/1) ... [2025-04-13 22:39:40,509 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 22:39:40,509 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 10:39:40" (1/1) ... [2025-04-13 22:39:40,509 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 10:39:40" (1/1) ... [2025-04-13 22:39:40,517 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 10:39:40" (1/1) ... [2025-04-13 22:39:40,518 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 10:39:40" (1/1) ... [2025-04-13 22:39:40,518 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 10:39:40" (1/1) ... [2025-04-13 22:39:40,519 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 10:39:40" (1/1) ... [2025-04-13 22:39:40,525 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-04-13 22:39:40,526 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-04-13 22:39:40,526 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-04-13 22:39:40,526 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-04-13 22:39:40,529 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 10:39:40" (1/1) ... [2025-04-13 22:39:40,534 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-13 22:39:40,544 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-13 22:39:40,554 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 22:39:40,558 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 22:39:40,570 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-04-13 22:39:40,571 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2025-04-13 22:39:40,571 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2025-04-13 22:39:40,571 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2025-04-13 22:39:40,571 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2025-04-13 22:39:40,571 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2025-04-13 22:39:40,571 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2025-04-13 22:39:40,571 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2025-04-13 22:39:40,571 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2025-04-13 22:39:40,571 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-04-13 22:39:40,571 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2025-04-13 22:39:40,571 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2025-04-13 22:39:40,571 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2025-04-13 22:39:40,571 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2025-04-13 22:39:40,571 INFO L130 BoogieDeclarations]: Found specification of procedure thread7 [2025-04-13 22:39:40,571 INFO L138 BoogieDeclarations]: Found implementation of procedure thread7 [2025-04-13 22:39:40,571 INFO L130 BoogieDeclarations]: Found specification of procedure thread8 [2025-04-13 22:39:40,571 INFO L138 BoogieDeclarations]: Found implementation of procedure thread8 [2025-04-13 22:39:40,571 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-04-13 22:39:40,571 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-04-13 22:39:40,572 WARN L225 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-04-13 22:39:40,656 INFO L256 CfgBuilder]: Building ICFG [2025-04-13 22:39:40,657 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-04-13 22:39:40,922 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-04-13 22:39:40,922 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-04-13 22:39:40,922 INFO L318 CfgBuilder]: Performing block encoding [2025-04-13 22:39:41,131 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-04-13 22:39:41,131 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 13.04 10:39:41 BoogieIcfgContainer [2025-04-13 22:39:41,131 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-04-13 22:39:41,132 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-04-13 22:39:41,132 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-04-13 22:39:41,135 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-04-13 22:39:41,135 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.04 10:39:40" (1/3) ... [2025-04-13 22:39:41,136 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36a8cd51 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.04 10:39:41, skipping insertion in model container [2025-04-13 22:39:41,136 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 10:39:40" (2/3) ... [2025-04-13 22:39:41,136 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36a8cd51 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.04 10:39:41, skipping insertion in model container [2025-04-13 22:39:41,136 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 13.04 10:39:41" (3/3) ... [2025-04-13 22:39:41,140 INFO L128 eAbstractionObserver]: Analyzing ICFG parallel-ticket-8.wvr.c [2025-04-13 22:39:41,151 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-04-13 22:39:41,152 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 22:39:41,153 INFO L490 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-04-13 22:39:41,220 INFO L143 ThreadInstanceAdder]: Constructed 8 joinOtherThreadTransitions. [2025-04-13 22:39:41,245 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 117 places, 99 transitions, 254 flow