/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 -s ../../../trunk/examples/settings/gemcutter/Termination.epf -tc ../../../trunk/examples/toolchains/BuchiAutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/POPL2023/motivating.bpl -------------------------------------------------------------------------------- This is Ultimate 0.3.0-wip.dk.ample-buchi-a4216cd-m [2025-04-26 18:39:28,125 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-04-26 18:39:28,174 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/settings/gemcutter/Termination.epf [2025-04-26 18:39:28,177 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-04-26 18:39:28,177 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-04-26 18:39:28,177 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Check unreachability of error function in SV-COMP mode [2025-04-26 18:39:28,177 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Translation Mode: [2025-04-26 18:39:28,191 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-04-26 18:39:28,191 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-04-26 18:39:28,191 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-04-26 18:39:28,192 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-04-26 18:39:28,192 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-04-26 18:39:28,192 INFO L153 SettingsManager]: * Use SBE=true [2025-04-26 18:39:28,192 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2025-04-26 18:39:28,192 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2025-04-26 18:39:28,192 INFO L153 SettingsManager]: * Use old map elimination=false [2025-04-26 18:39:28,192 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2025-04-26 18:39:28,192 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2025-04-26 18:39:28,192 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2025-04-26 18:39:28,192 INFO L153 SettingsManager]: * Automaton type for concurrent programs=PARTIAL_ORDER_BA [2025-04-26 18:39:28,192 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-04-26 18:39:28,192 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2025-04-26 18:39:28,193 INFO L153 SettingsManager]: * sizeof long=4 [2025-04-26 18:39:28,193 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-04-26 18:39:28,193 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-04-26 18:39:28,193 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-04-26 18:39:28,193 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2025-04-26 18:39:28,193 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2025-04-26 18:39:28,193 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2025-04-26 18:39:28,193 INFO L153 SettingsManager]: * sizeof long double=12 [2025-04-26 18:39:28,193 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-04-26 18:39:28,193 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2025-04-26 18:39:28,193 INFO L153 SettingsManager]: * Use constant arrays=true [2025-04-26 18:39:28,193 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-04-26 18:39:28,193 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-04-26 18:39:28,193 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -smt2 -in -t:4000 [2025-04-26 18:39:28,193 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-04-26 18:39:28,193 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-04-26 18:39:28,194 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-04-26 18:39:28,194 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-04-26 18:39:28,194 INFO L153 SettingsManager]: * Use conditional POR in concurrent analysis=false [2025-04-26 18:39:28,194 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2025-04-26 18:39:28,194 INFO L153 SettingsManager]: * TransformationType=MODULO_NEIGHBOR [2025-04-26 18:39:28,406 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-04-26 18:39:28,411 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-04-26 18:39:28,412 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-04-26 18:39:28,413 INFO L270 PluginConnector]: Initializing Boogie PL CUP Parser... [2025-04-26 18:39:28,413 INFO L274 PluginConnector]: Boogie PL CUP Parser initialized [2025-04-26 18:39:28,414 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/POPL2023/motivating.bpl [2025-04-26 18:39:28,414 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/POPL2023/motivating.bpl' [2025-04-26 18:39:28,433 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-04-26 18:39:28,434 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2025-04-26 18:39:28,434 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-04-26 18:39:28,434 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-04-26 18:39:28,435 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-04-26 18:39:28,441 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "motivating.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.04 06:39:28" (1/1) ... [2025-04-26 18:39:28,461 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "motivating.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.04 06:39:28" (1/1) ... [2025-04-26 18:39:28,470 INFO L138 Inliner]: procedures = 4, calls = 6, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2025-04-26 18:39:28,472 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-04-26 18:39:28,473 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-04-26 18:39:28,473 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-04-26 18:39:28,473 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-04-26 18:39:28,477 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "motivating.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.04 06:39:28" (1/1) ... [2025-04-26 18:39:28,477 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "motivating.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.04 06:39:28" (1/1) ... [2025-04-26 18:39:28,479 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "motivating.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.04 06:39:28" (1/1) ... [2025-04-26 18:39:28,479 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "motivating.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.04 06:39:28" (1/1) ... [2025-04-26 18:39:28,481 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "motivating.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.04 06:39:28" (1/1) ... [2025-04-26 18:39:28,481 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "motivating.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.04 06:39:28" (1/1) ... [2025-04-26 18:39:28,485 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "motivating.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.04 06:39:28" (1/1) ... [2025-04-26 18:39:28,487 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "motivating.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.04 06:39:28" (1/1) ... [2025-04-26 18:39:28,488 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "motivating.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.04 06:39:28" (1/1) ... [2025-04-26 18:39:28,498 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-04-26 18:39:28,499 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-04-26 18:39:28,499 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-04-26 18:39:28,499 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-04-26 18:39:28,499 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "motivating.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.04 06:39:28" (1/1) ... [2025-04-26 18:39:28,504 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -smt2 -in -t:4000 [2025-04-26 18:39:28,512 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 18:39:28,523 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-04-26 18:39:28,527 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-04-26 18:39:28,546 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2025-04-26 18:39:28,546 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2025-04-26 18:39:28,546 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2025-04-26 18:39:28,547 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2025-04-26 18:39:28,547 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2025-04-26 18:39:28,547 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2025-04-26 18:39:28,547 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2025-04-26 18:39:28,547 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2025-04-26 18:39:28,547 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2025-04-26 18:39:28,547 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2025-04-26 18:39:28,547 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-04-26 18:39:28,547 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-04-26 18:39:28,547 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-04-26 18:39:28,580 INFO L234 CfgBuilder]: Building ICFG [2025-04-26 18:39:28,581 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-04-26 18:39:28,674 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-04-26 18:39:28,675 INFO L283 CfgBuilder]: Performing block encoding [2025-04-26 18:39:28,683 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-04-26 18:39:28,683 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2025-04-26 18:39:28,684 INFO L201 PluginConnector]: Adding new model motivating.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.04 06:39:28 BoogieIcfgContainer [2025-04-26 18:39:28,684 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-04-26 18:39:28,685 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2025-04-26 18:39:28,685 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2025-04-26 18:39:28,690 INFO L274 PluginConnector]: BuchiAutomizer initialized [2025-04-26 18:39:28,691 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-04-26 18:39:28,691 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "motivating.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.04 06:39:28" (1/2) ... [2025-04-26 18:39:28,692 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@575b396c and model type motivating.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.04 06:39:28, skipping insertion in model container [2025-04-26 18:39:28,692 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-04-26 18:39:28,692 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "motivating.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.04 06:39:28" (2/2) ... [2025-04-26 18:39:28,693 INFO L376 chiAutomizerObserver]: Analyzing ICFG motivating.bpl [2025-04-26 18:39:28,779 INFO L143 ThreadInstanceAdder]: Constructed 6 joinOtherThreadTransitions. [2025-04-26 18:39:28,821 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-04-26 18:39:28,821 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2025-04-26 18:39:28,822 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 18:39:28,825 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2025-04-26 18:39:28,827 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2025-04-26 18:39:28,889 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 64 places, 63 transitions, 168 flow [2025-04-26 18:39:28,915 INFO L116 PetriNetUnfolderBase]: 12/51 cut-off events. [2025-04-26 18:39:28,919 INFO L117 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2025-04-26 18:39:28,923 INFO L83 FinitePrefix]: Finished finitePrefix Result has 76 conditions, 51 events. 12/51 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 81 event pairs, 0 based on Foata normal form. 0/38 useless extension candidates. Maximal degree in co-relation 49. Up to 3 conditions per place. [2025-04-26 18:39:28,923 INFO L82 GeneralOperation]: Start removeDead. Operand has 64 places, 63 transitions, 168 flow [2025-04-26 18:39:28,929 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 58 places, 51 transitions, 138 flow [2025-04-26 18:39:28,929 INFO L84 lAbstractionProvider]: Constructed initial Petri net abstraction that has has 58 places, 51 transitions, 138 flow [2025-04-26 18:39:28,930 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 58 places, 51 transitions, 138 flow [2025-04-26 18:39:29,696 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 13311 states, 13309 states have (on average 7.155233300773912) internal successors, (in total 95229), 13310 states have internal predecessors, (95229), 0 states have call successors, (0), 0 states have call predecessors, (in total 0), 0 states have return successors, (0), 0 states have call predecessors, ( in total0), 0 states have call successors, (0) [2025-04-26 18:39:29,773 INFO L171 actionProvider$Eager]: Constructed initial Büchi automaton abstraction (from Petri net) that has 13311 states, 13309 states have (on average 7.155233300773912) internal successors, (in total 95229), 13310 states have internal predecessors, (95229), 0 states have call successors, (0), 0 states have call predecessors, (in total 0), 0 states have return successors, (0), 0 states have call predecessors, ( in total0), 0 states have call successors, (0) [2025-04-26 18:39:29,775 INFO L135 AmpleReduction]: Starting ample reduction [2025-04-26 18:39:30,115 WARN L275 AmpleReduction]: Non-loop node is now a loop node: 3447#[L43-2, thread1EXIT, L25, L43-2, thread2EXIT, thread1EXIT]true [2025-04-26 18:39:30,136 WARN L275 AmpleReduction]: Non-loop node is now a loop node: 25909#[L28, L44, L43, L78, L58]true [2025-04-26 18:39:30,146 WARN L275 AmpleReduction]: Non-loop node is now a loop node: 21533#[L28, L43, L43-2, L78, L58]true [2025-04-26 18:39:30,166 WARN L275 AmpleReduction]: Non-loop node is now a loop node: 1903#[L43-2, thread1EXIT, L25, L43-2, L58, thread1EXIT]true [2025-04-26 18:39:30,168 WARN L275 AmpleReduction]: Non-loop node is now a loop node: 547#[thread1EXIT, L24, L44, thread1EXIT, L43-2]true [2025-04-26 18:39:30,217 WARN L275 AmpleReduction]: Non-loop node is now a loop node: 9483#[thread1EXIT, L43-2, L25, thread2EXIT, thread1EXIT, L44]true [2025-04-26 18:39:30,236 WARN L275 AmpleReduction]: Non-loop node is now a loop node: 24567#[L43, thread1EXIT, L27, L58, L44, L78]true [2025-04-26 18:39:30,244 WARN L275 AmpleReduction]: Non-loop node is now a loop node: 6015#[L43-2, thread1EXIT, L25, L58, L44, thread1EXIT]true [2025-04-26 18:39:30,246 WARN L275 AmpleReduction]: Non-loop node is now a loop node: 189#[L43-2, L24, thread1EXIT, thread1EXIT, L43-2]true [2025-04-26 18:39:30,254 WARN L275 AmpleReduction]: Non-loop node is now a loop node: 315#[L24, thread1EXIT, L43-2, L43-2, L44]true [2025-04-26 18:39:30,255 WARN L275 AmpleReduction]: Non-loop node is now a loop node: 1093#[L24, L43, thread1EXIT, thread1EXIT, L44]true [2025-04-26 18:39:30,270 WARN L275 AmpleReduction]: Non-loop node is now a loop node: 9951#[L44, L25, L43-2, thread2EXIT, thread1EXIT, thread1EXIT]true [2025-04-26 18:39:30,280 WARN L275 AmpleReduction]: Non-loop node is now a loop node: 22191#[L27, L44, L78, L43-2, L58, thread1EXIT]true [2025-04-26 18:39:30,299 WARN L275 AmpleReduction]: Non-loop node is now a loop node: 6335#[L44, L25, L43-2, L58, thread1EXIT, thread1EXIT]true [2025-04-26 18:39:30,301 WARN L275 AmpleReduction]: Non-loop node is now a loop node: 341#[L43-2, L24, L43, thread1EXIT, thread1EXIT]true [2025-04-26 18:39:30,331 WARN L275 AmpleReduction]: Non-loop node is now a loop node: 6709#[L43-2, L43-2, L25, thread2EXIT, L44, thread1EXIT]true [2025-04-26 18:39:30,331 WARN L275 AmpleReduction]: Non-loop node is now a loop node: 9967#[L43, L44, L25, L43-2, thread2EXIT, thread1EXIT]true [2025-04-26 18:39:30,331 WARN L275 AmpleReduction]: Non-loop node is now a loop node: 14285#[L43-2, L44, L25, thread2EXIT, L44, thread1EXIT]true [2025-04-26 18:39:30,331 WARN L275 AmpleReduction]: Non-loop node is now a loop node: 9939#[L44, L43-2, L25, thread2EXIT, thread1EXIT, L43]true [2025-04-26 18:39:30,332 WARN L275 AmpleReduction]: Non-loop node is now a loop node: 6715#[L43-2, L25, L43-2, thread2EXIT, L44, thread1EXIT]true [2025-04-26 18:39:30,463 WARN L275 AmpleReduction]: Non-loop node is now a loop node: 3973#[L43-2, L43-2, L25, L58, thread1EXIT, L44]true [2025-04-26 18:39:30,463 WARN L275 AmpleReduction]: Non-loop node is now a loop node: 6345#[L43, L44, L25, L43-2, L58, thread1EXIT]true [2025-04-26 18:39:30,463 WARN L275 AmpleReduction]: Non-loop node is now a loop node: 9937#[L44, L43-2, L25, L58, thread1EXIT, L44]true [2025-04-26 18:39:30,463 WARN L275 AmpleReduction]: Non-loop node is now a loop node: 6315#[L43-2, L44, L25, L58, L43, thread1EXIT]true [2025-04-26 18:39:30,468 WARN L275 AmpleReduction]: Non-loop node is now a loop node: 3989#[L43-2, L25, L43-2, L58, thread1EXIT, L44]true [2025-04-26 18:39:30,471 WARN L275 AmpleReduction]: Non-loop node is now a loop node: 1099#[L24, thread1EXIT, L44, L43-2, L44]true [2025-04-26 18:39:30,473 WARN L275 AmpleReduction]: Non-loop node is now a loop node: 343#[L43-2, L24, L43, thread1EXIT, L43]true [2025-04-26 18:39:30,473 WARN L275 AmpleReduction]: Non-loop node is now a loop node: 1089#[L24, thread1EXIT, L44, L43-2, L44]true [2025-04-26 18:39:30,540 WARN L275 AmpleReduction]: Non-loop node is now a loop node: 4243#[L43-2, thread1EXIT, thread1EXIT, L25, L43-2, thread2EXIT]true [2025-04-26 18:39:30,544 WARN L275 AmpleReduction]: Non-loop node is now a loop node: 22717#[thread1EXIT, L26, L43, thread1EXIT, L58, L44, L78]true [2025-04-26 18:39:30,549 WARN L275 AmpleReduction]: Non-loop node is now a loop node: 19119#[thread1EXIT, L77, L26, L43, thread1EXIT, L58, L44]true [2025-04-26 18:39:30,550 WARN L275 AmpleReduction]: Non-loop node is now a loop node: 15225#[thread1EXIT, L26, L43, thread1EXIT, L43-2, L58, L78]true [2025-04-26 18:39:30,551 WARN L275 AmpleReduction]: Non-loop node is now a loop node: 2371#[thread1EXIT, L43-2, thread1EXIT, L25, L43-2, L58]true [2025-04-26 18:39:30,553 WARN L275 AmpleReduction]: Non-loop node is now a loop node: 643#[thread1EXIT, L24, thread1EXIT, L44, L43-2]true [2025-04-26 18:39:30,563 WARN L275 AmpleReduction]: Non-loop node is now a loop node: 4377#[thread1EXIT, L25, L43-2, L43-2, thread2EXIT, thread1EXIT]true [2025-04-26 18:39:30,573 WARN L275 AmpleReduction]: Non-loop node is now a loop node: 10987#[L78, L43-2, L26, thread1EXIT, thread1EXIT, L43-2, L58]true [2025-04-26 18:39:30,575 WARN L275 AmpleReduction]: Non-loop node is now a loop node: 2461#[thread1EXIT, L25, L43-2, L43-2, L58, thread1EXIT]true [2025-04-26 18:39:30,577 WARN L275 AmpleReduction]: Non-loop node is now a loop node: 1253#[thread1EXIT, L24, L44, L43, thread1EXIT]true [2025-04-26 18:39:30,589 WARN L275 AmpleReduction]: Non-loop node is now a loop node: 15173#[L43-2, thread1EXIT, L25, L44, thread2EXIT, L44]true [2025-04-26 18:39:30,590 WARN L275 AmpleReduction]: Non-loop node is now a loop node: 4387#[L43, thread1EXIT, L25, L43-2, L43-2, thread2EXIT]true [2025-04-26 18:39:30,590 WARN L275 AmpleReduction]: Non-loop node is now a loop node: 4371#[L43-2, thread1EXIT, L25, L43-2, thread2EXIT, L43]true [2025-04-26 18:39:30,590 WARN L275 AmpleReduction]: Non-loop node is now a loop node: 7033#[L43-2, thread1EXIT, L25, L44, L43-2, thread2EXIT]true [2025-04-26 18:39:30,590 WARN L275 AmpleReduction]: Non-loop node is now a loop node: 15179#[thread1EXIT, L25, L44, L43-2, thread2EXIT, L44]true [2025-04-26 18:39:30,627 WARN L275 AmpleReduction]: Non-loop node is now a loop node: 19313#[L44, L77, L26, L43, thread1EXIT, L43, L58]true [2025-04-26 18:39:30,635 WARN L275 AmpleReduction]: Non-loop node is now a loop node: 10777#[L43-2, thread1EXIT, L25, L44, L58, L44]true [2025-04-26 18:39:30,636 WARN L275 AmpleReduction]: Non-loop node is now a loop node: 2467#[L43, thread1EXIT, L25, L43-2, L43-2, L58]true [2025-04-26 18:39:30,636 WARN L275 AmpleReduction]: Non-loop node is now a loop node: 2457#[L43-2, thread1EXIT, L25, L43-2, L58, L43]true [2025-04-26 18:39:30,636 WARN L275 AmpleReduction]: Non-loop node is now a loop node: 4195#[L43-2, thread1EXIT, L25, L43-2, L44, L58]true [2025-04-26 18:39:30,640 WARN L275 AmpleReduction]: Non-loop node is now a loop node: 10799#[thread1EXIT, L25, L43-2, L44, L58, L44]true [2025-04-26 18:39:30,642 WARN L275 AmpleReduction]: Non-loop node is now a loop node: 387#[L24, thread1EXIT, L43-2, L43-2, L44]true [2025-04-26 18:39:30,643 WARN L275 AmpleReduction]: Non-loop node is now a loop node: 1257#[thread1EXIT, L24, L44, L43, L43]true [2025-04-26 18:39:30,643 WARN L275 AmpleReduction]: Non-loop node is now a loop node: 359#[thread1EXIT, L24, L44, L43-2, L43-2]true [2025-04-26 18:39:30,644 WARN L275 AmpleReduction]: Non-loop node is now a loop node: 381#[L24, thread1EXIT, L43-2, L44, L43-2]true [2025-04-26 18:39:30,644 WARN L275 AmpleReduction]: Non-loop node is now a loop node: 1251#[thread1EXIT, L24, L44, L44, L43-2]true [2025-04-26 18:39:30,654 WARN L275 AmpleReduction]: Non-loop node is now a loop node: 849#[L43-2, L24, thread1EXIT, L44, thread1EXIT]true [2025-04-26 18:39:30,657 WARN L275 AmpleReduction]: Non-loop node is now a loop node: 15567#[thread1EXIT, L25, L44, thread2EXIT, L43, thread1EXIT]true [2025-04-26 18:39:30,666 WARN L275 AmpleReduction]: Non-loop node is now a loop node: 16729#[thread1EXIT, L77, L26, L43-2, thread1EXIT, L58, L44]true [2025-04-26 18:39:30,667 WARN L275 AmpleReduction]: Non-loop node is now a loop node: 20851#[thread1EXIT, L26, L43-2, thread1EXIT, L58, L44, L78]true [2025-04-26 18:39:30,668 WARN L275 AmpleReduction]: Non-loop node is now a loop node: 11197#[thread1EXIT, L25, L44, L58, L43, thread1EXIT]true [2025-04-26 18:39:30,671 WARN L275 AmpleReduction]: Non-loop node is now a loop node: 853#[L43-2, L24, thread1EXIT, L44, L43]true [2025-04-26 18:39:30,672 WARN L275 AmpleReduction]: Non-loop node is now a loop node: 2517#[L24, L43, thread1EXIT, L44, L44]true [2025-04-26 18:39:30,682 WARN L275 AmpleReduction]: Non-loop node is now a loop node: 3123#[L43-2, thread1EXIT, L25, L43-2, thread2EXIT, L43-2]true [2025-04-26 18:39:30,682 WARN L275 AmpleReduction]: Non-loop node is now a loop node: 15605#[L43, thread1EXIT, L25, L44, thread2EXIT, L43]true [2025-04-26 18:39:30,682 WARN L275 AmpleReduction]: Non-loop node is now a loop node: 8319#[L43-2, thread1EXIT, L25, L44, thread2EXIT, L43-2]true [2025-04-26 18:39:30,682 WARN L275 AmpleReduction]: Non-loop node is now a loop node: 15611#[L43-2, thread1EXIT, L25, L44, thread2EXIT, L44]true [2025-04-26 18:39:30,683 WARN L275 AmpleReduction]: Non-loop node is now a loop node: 16833#[L43-2, thread1EXIT, L25, L44, thread2EXIT, L44]true [2025-04-26 18:39:30,718 WARN L275 AmpleReduction]: Non-loop node is now a loop node: 16787#[thread1EXIT, L77, L26, L43-2, L43, L58, L44]true [2025-04-26 18:39:30,726 WARN L275 AmpleReduction]: Non-loop node is now a loop node: 1717#[L43-2, thread1EXIT, L25, L43-2, L58, L43-2]true [2025-04-26 18:39:30,727 WARN L275 AmpleReduction]: Non-loop node is now a loop node: 11219#[L43, thread1EXIT, L25, L44, L58, L43]true [2025-04-26 18:39:30,727 WARN L275 AmpleReduction]: Non-loop node is now a loop node: 5113#[L43-2, thread1EXIT, L25, L44, L58, L43-2]true [2025-04-26 18:39:30,727 WARN L275 AmpleReduction]: Non-loop node is now a loop node: 11229#[thread1EXIT, L43-2, L25, L44, L58, L44]true [2025-04-26 18:39:30,731 WARN L275 AmpleReduction]: Non-loop node is now a loop node: 12377#[L43-2, thread1EXIT, L25, L44, L58, L44]true [2025-04-26 18:39:30,732 WARN L275 AmpleReduction]: Non-loop node is now a loop node: 785#[L24, L43-2, L43, thread1EXIT, L44]true [2025-04-26 18:39:30,734 WARN L275 AmpleReduction]: Non-loop node is now a loop node: 725#[L24, L43, thread1EXIT, L44, L43-2]true [2025-04-26 18:39:30,735 WARN L275 AmpleReduction]: Non-loop node is now a loop node: 419#[L43-2, L24, thread1EXIT, L43-2, L44]true [2025-04-26 18:39:30,739 WARN L275 AmpleReduction]: Non-loop node is now a loop node: 903#[L43-2, L24, L44, L44, L43-2]true [2025-04-26 18:39:30,740 WARN L275 AmpleReduction]: Non-loop node is now a loop node: 405#[L24, L43, L44, L43-2, L43-2]true [2025-04-26 18:39:30,740 WARN L275 AmpleReduction]: Non-loop node is now a loop node: 759#[L24, L44, L43-2, L43-2, L44]true [2025-04-26 18:39:30,741 WARN L275 AmpleReduction]: Non-loop node is now a loop node: 895#[L43-2, L24, L44, L43, thread1EXIT]true [2025-04-26 18:39:30,742 WARN L275 AmpleReduction]: Non-loop node is now a loop node: 2645#[L24, L43, L44, L44, thread1EXIT]true [2025-04-26 18:39:30,742 WARN L275 AmpleReduction]: Non-loop node is now a loop node: 2647#[L24, L44, L43, thread1EXIT, L44]true [2025-04-26 18:39:30,755 WARN L275 AmpleReduction]: Non-loop node is now a loop node: 17135#[L43-2, L25, L44, thread2EXIT, L44, thread1EXIT]true [2025-04-26 18:39:30,755 WARN L275 AmpleReduction]: Non-loop node is now a loop node: 3253#[L43-2, L25, L43-2, L43-2, thread2EXIT, thread1EXIT]true [2025-04-26 18:39:30,755 WARN L275 AmpleReduction]: Non-loop node is now a loop node: 16159#[L25, L44, thread2EXIT, L43, L43, thread1EXIT]true [2025-04-26 18:39:30,755 WARN L275 AmpleReduction]: Non-loop node is now a loop node: 8615#[L43-2, L25, L44, L43-2, thread2EXIT, thread1EXIT]true [2025-04-26 18:39:30,755 WARN L275 AmpleReduction]: Non-loop node is now a loop node: 16251#[L44, L25, L44, L43-2, thread2EXIT, thread1EXIT]true [2025-04-26 18:39:30,792 WARN L275 AmpleReduction]: Non-loop node is now a loop node: 25309#[L44, L44, L77, L26, thread1EXIT, L58, L44]true [2025-04-26 18:39:30,800 WARN L275 AmpleReduction]: Non-loop node is now a loop node: 12683#[L43-2, L25, L44, L58, thread1EXIT, L44]true [2025-04-26 18:39:30,802 WARN L275 AmpleReduction]: Non-loop node is now a loop node: 1803#[L43-2, L25, L43-2, L43-2, L58, thread1EXIT]true [2025-04-26 18:39:30,802 WARN L275 AmpleReduction]: Non-loop node is now a loop node: 11651#[L25, L44, L58, L43, thread1EXIT, L43]true [2025-04-26 18:39:30,802 WARN L275 AmpleReduction]: Non-loop node is now a loop node: 5329#[L43-2, L25, L43-2, L44, L58, thread1EXIT]true [2025-04-26 18:39:30,802 WARN L275 AmpleReduction]: Non-loop node is now a loop node: 11741#[L44, L25, L43-2, L44, L58, thread1EXIT]true [2025-04-26 18:39:30,806 WARN L275 AmpleReduction]: Non-loop node is now a loop node: 827#[L43-2, L24, L43, thread1EXIT, L44]true [2025-04-26 18:39:30,807 WARN L275 AmpleReduction]: Non-loop node is now a loop node: 479#[L43-2, L24, L44, L43-2, thread1EXIT]true [2025-04-26 18:39:30,807 WARN L275 AmpleReduction]: Non-loop node is now a loop node: 1417#[L24, L43, L44, L43, thread1EXIT]true [2025-04-26 18:39:30,807 WARN L275 AmpleReduction]: Non-loop node is now a loop node: 825#[L43-2, L24, L43, L44, thread1EXIT]true [2025-04-26 18:39:30,812 WARN L275 AmpleReduction]: Non-loop node is now a loop node: 899#[L43-2, L24, L44, L43, L43]true [2025-04-26 18:39:30,813 WARN L275 AmpleReduction]: Non-loop node is now a loop node: 2661#[L24, L43, L44, L44, L43]true [2025-04-26 18:39:30,814 WARN L275 AmpleReduction]: Non-loop node is now a loop node: 905#[L43-2, L24, L44, L43-2, L44]true [2025-04-26 18:39:30,852 WARN L275 AmpleReduction]: Non-loop node is now a loop node: 12255#[L43-2, L44, L25, L43-2, thread2EXIT, L44]true [2025-04-26 18:39:30,852 WARN L275 AmpleReduction]: Non-loop node is now a loop node: 17157#[L43-2, L25, L44, thread2EXIT, L44, L43]true [2025-04-26 18:39:30,852 WARN L275 AmpleReduction]: Non-loop node is now a loop node: 20515#[L44, L43-2, L25, L44, thread2EXIT, L44]true [2025-04-26 18:39:30,853 WARN L275 AmpleReduction]: Non-loop node is now a loop node: 16245#[L43-2, L25, L44, thread2EXIT, L43, L44]true [2025-04-26 18:39:30,853 WARN L275 AmpleReduction]: Non-loop node is now a loop node: 3263#[L43-2, L25, L43-2, L43-2, thread2EXIT, L43]true [2025-04-26 18:39:30,853 WARN L275 AmpleReduction]: Non-loop node is now a loop node: 3247#[L43-2, L43-2, L25, L43-2, thread2EXIT, L43]true [2025-04-26 18:39:30,853 WARN L275 AmpleReduction]: Non-loop node is now a loop node: 16217#[L43, L25, L44, thread2EXIT, L43, L43]true [2025-04-26 18:39:30,853 WARN L275 AmpleReduction]: Non-loop node is now a loop node: 8631#[L43-2, L25, L44, L43-2, thread2EXIT, L43]true [2025-04-26 18:39:30,853 WARN L275 AmpleReduction]: Non-loop node is now a loop node: 8603#[L43-2, L43-2, L25, L44, thread2EXIT, L43]true [2025-04-26 18:39:30,853 WARN L275 AmpleReduction]: Non-loop node is now a loop node: 16273#[L43, L44, L25, L44, L43-2, thread2EXIT]true [2025-04-26 18:39:30,853 WARN L275 AmpleReduction]: Non-loop node is now a loop node: 16233#[L43-2, L44, L25, L44, thread2EXIT, L43]true [2025-04-26 18:39:30,854 WARN L275 AmpleReduction]: Non-loop node is now a loop node: 2865#[L43-2, L25, L43-2, L43-2, thread2EXIT, L43]true [2025-04-26 18:39:30,854 WARN L275 AmpleReduction]: Non-loop node is now a loop node: 5353#[L43-2, L43-2, L25, L44, L43-2, thread2EXIT]true [2025-04-26 18:39:30,855 WARN L275 AmpleReduction]: Non-loop node is now a loop node: 12261#[L44, L25, L43-2, L43-2, thread2EXIT, L44]true [2025-04-26 18:39:30,856 WARN L275 AmpleReduction]: Non-loop node is now a loop node: 17145#[L43-2, L25, L44, thread2EXIT, L43, L44]true [2025-04-26 18:39:30,856 WARN L275 AmpleReduction]: Non-loop node is now a loop node: 20521#[L44, L25, L44, L43-2, thread2EXIT, L44]true [2025-04-26 18:39:30,856 WARN L275 AmpleReduction]: Non-loop node is now a loop node: 16267#[L25, L44, L43-2, thread2EXIT, L43, L44]true [2025-04-26 18:39:30,857 WARN L275 AmpleReduction]: Non-loop node is now a loop node: 12935#[L43-2, L25, L43-2, thread2EXIT, L44, L44]true [2025-04-26 18:39:30,991 WARN L275 AmpleReduction]: Non-loop node is now a loop node: 25449#[L44, L44, L77, L26, L43, L58, L44]true [2025-04-26 18:39:31,022 WARN L275 AmpleReduction]: Non-loop node is now a loop node: 8181#[L44, L43-2, L25, L43-2, L58, L44]true [2025-04-26 18:39:31,022 WARN L275 AmpleReduction]: Non-loop node is now a loop node: 12715#[L43-2, L25, L44, L58, L43, L44]true [2025-04-26 18:39:31,023 WARN L275 AmpleReduction]: Non-loop node is now a loop node: 16231#[L43-2, L44, L25, L44, L58, L44]true [2025-04-26 18:39:31,023 WARN L275 AmpleReduction]: Non-loop node is now a loop node: 11725#[L43-2, L25, L44, L58, L43, L44]true [2025-04-26 18:39:31,025 WARN L275 AmpleReduction]: Non-loop node is now a loop node: 1809#[L43-2, L25, L43-2, L43-2, L58, L43]true [2025-04-26 18:39:31,025 WARN L275 AmpleReduction]: Non-loop node is now a loop node: 1799#[L43-2, L43-2, L25, L43-2, L58, L43]true [2025-04-26 18:39:31,025 WARN L275 AmpleReduction]: Non-loop node is now a loop node: 11695#[L43, L25, L44, L58, L43, L43]true [2025-04-26 18:39:31,025 WARN L275 AmpleReduction]: Non-loop node is now a loop node: 5345#[L43-2, L25, L43-2, L44, L58, L43]true [2025-04-26 18:39:31,025 WARN L275 AmpleReduction]: Non-loop node is now a loop node: 5315#[L43-2, L43-2, L25, L44, L58, L43]true [2025-04-26 18:39:31,025 WARN L275 AmpleReduction]: Non-loop node is now a loop node: 11773#[L43, L44, L25, L43-2, L44, L58]true [2025-04-26 18:39:31,026 WARN L275 AmpleReduction]: Non-loop node is now a loop node: 11711#[L44, L43-2, L25, L44, L58, L43]true [2025-04-26 18:39:31,029 WARN L275 AmpleReduction]: Non-loop node is now a loop node: 1555#[L43-2, L25, L43-2, L43-2, L58, L43]true [2025-04-26 18:39:31,033 WARN L275 AmpleReduction]: Non-loop node is now a loop node: 3071#[L43-2, L43-2, L25, L43-2, L44, L58]true [2025-04-26 18:39:31,041 WARN L275 AmpleReduction]: Non-loop node is now a loop node: 8203#[L44, L25, L43-2, L43-2, L58, L44]true [2025-04-26 18:39:31,041 WARN L275 AmpleReduction]: Non-loop node is now a loop node: 12701#[L43-2, L25, L44, L58, L44, L43]true [2025-04-26 18:39:31,041 WARN L275 AmpleReduction]: Non-loop node is now a loop node: 16259#[L44, L25, L43-2, L44, L58, L44]true [2025-04-26 18:39:31,041 WARN L275 AmpleReduction]: Non-loop node is now a loop node: 11763#[L25, L43-2, L44, L58, L43, L44]true [2025-04-26 18:39:31,045 WARN L275 AmpleReduction]: Non-loop node is now a loop node: 8865#[L43-2, L25, L43-2, L58, L44, L44]true [2025-04-26 18:39:31,048 WARN L275 AmpleReduction]: Non-loop node is now a loop node: 3079#[L43-2, L24, L44, L44, L44]true [2025-04-26 18:39:31,049 WARN L275 AmpleReduction]: Non-loop node is now a loop node: 833#[L43-2, L24, L43, L43, L44]true [2025-04-26 18:39:31,049 WARN L275 AmpleReduction]: Non-loop node is now a loop node: 2663#[L24, L44, L43-2, L44, L44]true [2025-04-26 18:39:31,052 WARN L275 AmpleReduction]: Non-loop node is now a loop node: 829#[L43-2, L24, L43, L43, L44]true [2025-04-26 18:39:31,053 WARN L275 AmpleReduction]: Non-loop node is now a loop node: 483#[L43-2, L24, L44, L43-2, L43]true [2025-04-26 18:39:31,054 WARN L275 AmpleReduction]: Non-loop node is now a loop node: 1427#[L24, L43, L44, L43, L43]true [2025-04-26 18:39:31,054 WARN L275 AmpleReduction]: Non-loop node is now a loop node: 113#[L43-2, L24, L43-2, L43-2, L43-2]true [2025-04-26 18:39:31,055 WARN L275 AmpleReduction]: Non-loop node is now a loop node: 835#[L43-2, L24, L43, L44, L43]true [2025-04-26 18:39:31,056 WARN L275 AmpleReduction]: Non-loop node is now a loop node: 2655#[L24, L44, L44, L43-2, L44]true [2025-04-26 18:39:31,065 WARN L140 AmpleReduction]: Number of pruned transitions: 36741 [2025-04-26 18:39:31,065 WARN L141 AmpleReduction]: Loop nodes with "changing loop node status": 145 [2025-04-26 18:39:31,065 WARN L142 AmpleReduction]: Number of trivial sets caused by loops: 2168 [2025-04-26 18:39:31,065 WARN L143 AmpleReduction]: Number of not loop caused trivial ample sets:363 [2025-04-26 18:39:31,065 WARN L144 AmpleReduction]: Number of initially assigned non-trivial ample sets:6814 [2025-04-26 18:39:31,066 WARN L145 AmpleReduction]: Times succ was already a loop node:8862 [2025-04-26 18:39:31,066 WARN L146 AmpleReduction]: Times some other node on the cycle already had a trivial ample set:9440 [2025-04-26 18:39:31,066 INFO L149 AmpleReduction]: Finished ample reduction [2025-04-26 18:39:31,087 INFO L136 dAbstractionProvider]: Constructed initial ample set-reduced NBA abstraction that has 9201 states, 9199 states have (on average 3.0584846178932494) internal successors, (in total 28135), 9200 states have internal predecessors, (28135), 0 states have call successors, (0), 0 states have call predecessors, (in total 0), 0 states have return successors, (0), 0 states have call predecessors, ( in total0), 0 states have call successors, (0) [2025-04-26 18:39:31,094 INFO L306 stractBuchiCegarLoop]: Interprodecural is true [2025-04-26 18:39:31,094 INFO L307 stractBuchiCegarLoop]: Hoare is None [2025-04-26 18:39:31,094 INFO L308 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2025-04-26 18:39:31,094 INFO L309 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2025-04-26 18:39:31,095 INFO L310 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2025-04-26 18:39:31,095 INFO L311 stractBuchiCegarLoop]: Difference is false [2025-04-26 18:39:31,095 INFO L312 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2025-04-26 18:39:31,095 INFO L316 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2025-04-26 18:39:31,115 INFO L73 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 9201 states, 9199 states have (on average 3.0584846178932494) internal successors, (in total 28135), 9200 states have internal predecessors, (28135), 0 states have call successors, (0), 0 states have call predecessors, (in total 0), 0 states have return successors, (0), 0 states have call predecessors, ( in total0), 0 states have call successors, (0) [2025-04-26 18:39:31,291 INFO L131 ngComponentsAnalysis]: Automaton has 241 accepting balls. 8040 [2025-04-26 18:39:31,292 INFO L88 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-04-26 18:39:31,292 INFO L120 BuchiIsEmpty]: Starting construction of run [2025-04-26 18:39:31,296 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2025-04-26 18:39:31,296 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2025-04-26 18:39:31,297 INFO L340 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2025-04-26 18:39:31,314 INFO L73 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 9201 states, 9199 states have (on average 3.0584846178932494) internal successors, (in total 28135), 9200 states have internal predecessors, (28135), 0 states have call successors, (0), 0 states have call predecessors, (in total 0), 0 states have return successors, (0), 0 states have call predecessors, ( in total0), 0 states have call successors, (0) [2025-04-26 18:39:31,466 INFO L131 ngComponentsAnalysis]: Automaton has 241 accepting balls. 8040 [2025-04-26 18:39:31,467 INFO L88 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-04-26 18:39:31,467 INFO L120 BuchiIsEmpty]: Starting construction of run [2025-04-26 18:39:31,467 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2025-04-26 18:39:31,468 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2025-04-26 18:39:31,471 INFO L752 eck$LassoCheckResult]: Stem: "[89] $Ultimate##0-->L19: Formula: (and (<= 0 v_ULTIMATE.start_m_1) (< v_ULTIMATE.start_m_1 v_N_7)) InVars {ULTIMATE.start_m=v_ULTIMATE.start_m_1, N=v_N_7} OutVars{ULTIMATE.start_m=v_ULTIMATE.start_m_1, N=v_N_7} AuxVars[] AssignedVars[]" "[92] L19-->L21: Formula: (= v_i_5 0) InVars {} OutVars{i=v_i_5} AuxVars[] AssignedVars[i]" "[133] L21-->L43-2: Formula: (= v_thread1Thread1of1ForFork1_thidvar0_2 1) InVars {} OutVars{thread1Thread1of1ForFork1_thidvar0=v_thread1Thread1of1ForFork1_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork1_thidvar0]" [2025-04-26 18:39:31,471 INFO L754 eck$LassoCheckResult]: Loop: "[95] L43-2-->L43: Formula: true InVars {} OutVars{i=v_i_1} AuxVars[] AssignedVars[i]" "[97] L43-->L43-2: Formula: (or (<= v_N_2 v_i_4) (< v_i_4 0)) InVars {i=v_i_4, N=v_N_2} OutVars{i=v_i_4, N=v_N_2} AuxVars[] AssignedVars[]" [2025-04-26 18:39:31,476 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-26 18:39:31,477 INFO L85 PathProgramCache]: Analyzing trace with hash 118305, now seen corresponding path program 1 times [2025-04-26 18:39:31,482 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-26 18:39:31,482 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [317210369] [2025-04-26 18:39:31,482 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-26 18:39:31,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-26 18:39:31,523 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-04-26 18:39:31,531 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-04-26 18:39:31,531 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 18:39:31,531 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 18:39:31,532 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-04-26 18:39:31,533 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-04-26 18:39:31,536 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-04-26 18:39:31,536 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 18:39:31,537 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 18:39:31,551 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-04-26 18:39:31,553 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-26 18:39:31,553 INFO L85 PathProgramCache]: Analyzing trace with hash 4003, now seen corresponding path program 1 times [2025-04-26 18:39:31,553 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-26 18:39:31,553 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [572864530] [2025-04-26 18:39:31,553 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-26 18:39:31,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-26 18:39:31,557 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-04-26 18:39:31,558 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-04-26 18:39:31,558 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 18:39:31,561 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 18:39:31,561 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-04-26 18:39:31,563 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-04-26 18:39:31,564 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-04-26 18:39:31,564 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 18:39:31,564 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 18:39:31,565 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-04-26 18:39:31,569 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-26 18:39:31,569 INFO L85 PathProgramCache]: Analyzing trace with hash 113694147, now seen corresponding path program 1 times [2025-04-26 18:39:31,569 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-26 18:39:31,569 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [660248104] [2025-04-26 18:39:31,569 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-26 18:39:31,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-26 18:39:31,571 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-04-26 18:39:31,576 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-04-26 18:39:31,576 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 18:39:31,576 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 18:39:31,576 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-04-26 18:39:31,577 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-04-26 18:39:31,578 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-04-26 18:39:31,578 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 18:39:31,578 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 18:39:31,580 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-04-26 18:39:31,677 INFO L206 LassoAnalysis]: Preferences: [2025-04-26 18:39:31,677 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-04-26 18:39:31,677 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-04-26 18:39:31,677 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-04-26 18:39:31,678 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2025-04-26 18:39:31,678 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 18:39:31,678 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-04-26 18:39:31,678 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-04-26 18:39:31,678 INFO L132 ssoRankerPreferences]: Filename of dumped script: motivating.bpl_petrified1_Iteration1_Lasso [2025-04-26 18:39:31,678 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-04-26 18:39:31,678 INFO L243 LassoAnalysis]: Starting lasso preprocessing... [2025-04-26 18:39:31,697 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 18:39:31,708 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 18:39:31,770 INFO L261 LassoAnalysis]: Preprocessing complete. [2025-04-26 18:39:31,771 INFO L367 LassoAnalysis]: Checking for nontermination... [2025-04-26 18:39:31,772 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 18:39:31,772 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 18:39:31,774 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-04-26 18:39:31,776 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2025-04-26 18:39:31,780 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-04-26 18:39:31,781 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-04-26 18:39:31,820 INFO L400 LassoAnalysis]: Proved nontermination for one component. [2025-04-26 18:39:31,821 INFO L403 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {thread1Thread1of1ForFork1_thidvar0=0} Honda state: {thread1Thread1of1ForFork1_thidvar0=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-04-26 18:39:31,827 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2025-04-26 18:39:31,828 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 18:39:31,828 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 18:39:31,830 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-04-26 18:39:31,832 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2025-04-26 18:39:31,836 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-04-26 18:39:31,836 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-04-26 18:39:31,882 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2025-04-26 18:39:31,884 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 18:39:31,884 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 18:39:31,890 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-04-26 18:39:31,891 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2025-04-26 18:39:31,891 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2025-04-26 18:39:31,891 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-04-26 18:39:31,951 INFO L400 LassoAnalysis]: Proved nontermination for one component. [2025-04-26 18:39:31,952 INFO L403 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {N=5, ULTIMATE.start_m=4, i=0} Honda state: {N=5, ULTIMATE.start_m=4, i=0} Generalized eigenvectors: [{N=7, ULTIMATE.start_m=6, i=0}, {N=0, ULTIMATE.start_m=0, i=7}, {N=-7, ULTIMATE.start_m=-6, i=-1}] Lambdas: [1, 0, 1] Nus: [1, 0] [2025-04-26 18:39:31,958 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2025-04-26 18:39:31,969 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2025-04-26 18:39:31,984 INFO L201 PluginConnector]: Adding new model motivating.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 26.04 06:39:31 BoogieIcfgContainer [2025-04-26 18:39:31,984 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2025-04-26 18:39:31,986 INFO L158 Benchmark]: Toolchain (without parser) took 3551.36ms. Allocated memory was 155.2MB in the beginning and 406.8MB in the end (delta: 251.7MB). Free memory was 83.3MB in the beginning and 267.1MB in the end (delta: -183.9MB). Peak memory consumption was 92.3MB. Max. memory is 8.0GB. [2025-04-26 18:39:31,986 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.16ms. Allocated memory is still 155.2MB. Free memory was 84.4MB in the beginning and 84.2MB in the end (delta: 199.3kB). There was no memory consumed. Max. memory is 8.0GB. [2025-04-26 18:39:31,986 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.48ms. Allocated memory is still 155.2MB. Free memory was 83.3MB in the beginning and 81.5MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 8.0GB. [2025-04-26 18:39:31,986 INFO L158 Benchmark]: Boogie Preprocessor took 25.20ms. Allocated memory is still 155.2MB. Free memory was 81.5MB in the beginning and 80.3MB in the end (delta: 1.2MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2025-04-26 18:39:31,987 INFO L158 Benchmark]: RCFGBuilder took 185.55ms. Allocated memory is still 155.2MB. Free memory was 80.3MB in the beginning and 70.5MB in the end (delta: 9.8MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. [2025-04-26 18:39:31,987 INFO L158 Benchmark]: BuchiAutomizer took 3299.18ms. Allocated memory was 155.2MB in the beginning and 406.8MB in the end (delta: 251.7MB). Free memory was 70.5MB in the beginning and 267.1MB in the end (delta: -196.6MB). Peak memory consumption was 79.7MB. Max. memory is 8.0GB. [2025-04-26 18:39:31,991 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.16ms. Allocated memory is still 155.2MB. Free memory was 84.4MB in the beginning and 84.2MB in the end (delta: 199.3kB). There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 37.48ms. Allocated memory is still 155.2MB. Free memory was 83.3MB in the beginning and 81.5MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 8.0GB. * Boogie Preprocessor took 25.20ms. Allocated memory is still 155.2MB. Free memory was 81.5MB in the beginning and 80.3MB in the end (delta: 1.2MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * RCFGBuilder took 185.55ms. Allocated memory is still 155.2MB. Free memory was 80.3MB in the beginning and 70.5MB in the end (delta: 9.8MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. * BuchiAutomizer took 3299.18ms. Allocated memory was 155.2MB in the beginning and 406.8MB in the end (delta: 251.7MB). Free memory was 70.5MB in the beginning and 267.1MB in the end (delta: -196.6MB). Peak memory consumption was 79.7MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.1s and 1 iterations. TraceHistogramMax:1. Analysis of lassos took 0.4s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 0. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital24 mio100 ax100 hnf100 lsp87 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq119 hnf95 smp100 dnf100 smp100 tf100 neg100 sie116 LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 1 LassoNonterminationAnalysisSatUnbounded: 1 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.1s InitialAbstractionConstructionTime: 2.2s InitialAbstraction: Time to compute Ample Reduction [ms]: 2249, Number of transitions in reduction automaton: 28135, Number of states in reduction automaton: 9201, Underlying: - StatisticsResult: Constructed decomposition of program Trivial decomposition into one nonterminating module. - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - GeometricNonTerminationArgumentResult [Line: 41]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {N=5, i=0, m=4, freshIdentifier7=0} State at position 1 is {N=5, i=0, m=4, freshIdentifier8=1} For i>1, the state at position i is {N=5 + sum_{k=0}^i 7 + -7, i=0 + sum_{k=0}^i 7*0^k + 7*k + -1, m=4 + sum_{k=0}^i 6 + -6, freshIdentifier9=1 + sum_{k=0}^i 0} - StatisticsResult: NonterminationArgumentStatistics Unbounded Execution 3GEVs Lambdas: [1, 0, 1] Mus: [1, 0] - NonterminatingLassoResult [Line: 41]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L17] 0 assume 0 <= m && m < N; [L19] 0 i := 0; [L21] FORK 0 fork 1 thread1(); Loop: [L42] havoc i; [L43] COND FALSE !(0 <= i && i < N) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2025-04-26 18:39:32,006 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request...