/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/buchiAutomizer/concurrent-automaton-noLbe.epf -tc ../../../trunk/examples/toolchains/BuchiAutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/regression/NonAtomicIncrement_2Threads_Loop.bpl -------------------------------------------------------------------------------- This is Ultimate 0.3.0-wip.dk.ample-buchi-a4216cd-m [2025-04-26 16:20:15,686 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-04-26 16:20:15,738 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/settings/buchiAutomizer/concurrent-automaton-noLbe.epf [2025-04-26 16:20:15,741 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-04-26 16:20:15,742 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-04-26 16:20:15,761 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-04-26 16:20:15,762 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-04-26 16:20:15,762 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-04-26 16:20:15,763 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-04-26 16:20:15,763 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-04-26 16:20:15,763 INFO L153 SettingsManager]: * Use SBE=true [2025-04-26 16:20:15,764 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2025-04-26 16:20:15,764 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2025-04-26 16:20:15,764 INFO L153 SettingsManager]: * Use old map elimination=false [2025-04-26 16:20:15,764 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2025-04-26 16:20:15,764 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2025-04-26 16:20:15,764 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2025-04-26 16:20:15,764 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-04-26 16:20:15,764 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2025-04-26 16:20:15,764 INFO L153 SettingsManager]: * sizeof long=4 [2025-04-26 16:20:15,764 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-04-26 16:20:15,764 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-04-26 16:20:15,765 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-04-26 16:20:15,765 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2025-04-26 16:20:15,765 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2025-04-26 16:20:15,765 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2025-04-26 16:20:15,765 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-04-26 16:20:15,765 INFO L153 SettingsManager]: * sizeof long double=12 [2025-04-26 16:20:15,765 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-04-26 16:20:15,765 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2025-04-26 16:20:15,765 INFO L153 SettingsManager]: * Use constant arrays=true [2025-04-26 16:20:15,765 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-04-26 16:20:15,765 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-04-26 16:20:15,765 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-04-26 16:20:15,765 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-04-26 16:20:15,765 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2025-04-26 16:20:15,765 INFO L153 SettingsManager]: * TransformationType=MODULO_NEIGHBOR [2025-04-26 16:20:16,014 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-04-26 16:20:16,021 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-04-26 16:20:16,023 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-04-26 16:20:16,024 INFO L270 PluginConnector]: Initializing Boogie PL CUP Parser... [2025-04-26 16:20:16,025 INFO L274 PluginConnector]: Boogie PL CUP Parser initialized [2025-04-26 16:20:16,026 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/regression/NonAtomicIncrement_2Threads_Loop.bpl [2025-04-26 16:20:16,027 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/regression/NonAtomicIncrement_2Threads_Loop.bpl' [2025-04-26 16:20:16,041 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-04-26 16:20:16,042 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2025-04-26 16:20:16,043 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-04-26 16:20:16,043 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-04-26 16:20:16,043 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-04-26 16:20:16,050 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "NonAtomicIncrement_2Threads_Loop.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.04 04:20:16" (1/1) ... [2025-04-26 16:20:16,068 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "NonAtomicIncrement_2Threads_Loop.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.04 04:20:16" (1/1) ... [2025-04-26 16:20:16,073 INFO L138 Inliner]: procedures = 3, calls = 2, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2025-04-26 16:20:16,074 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-04-26 16:20:16,075 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-04-26 16:20:16,075 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-04-26 16:20:16,075 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-04-26 16:20:16,079 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "NonAtomicIncrement_2Threads_Loop.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.04 04:20:16" (1/1) ... [2025-04-26 16:20:16,079 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "NonAtomicIncrement_2Threads_Loop.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.04 04:20:16" (1/1) ... [2025-04-26 16:20:16,080 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "NonAtomicIncrement_2Threads_Loop.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.04 04:20:16" (1/1) ... [2025-04-26 16:20:16,080 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "NonAtomicIncrement_2Threads_Loop.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.04 04:20:16" (1/1) ... [2025-04-26 16:20:16,083 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "NonAtomicIncrement_2Threads_Loop.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.04 04:20:16" (1/1) ... [2025-04-26 16:20:16,083 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "NonAtomicIncrement_2Threads_Loop.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.04 04:20:16" (1/1) ... [2025-04-26 16:20:16,085 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "NonAtomicIncrement_2Threads_Loop.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.04 04:20:16" (1/1) ... [2025-04-26 16:20:16,087 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "NonAtomicIncrement_2Threads_Loop.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.04 04:20:16" (1/1) ... [2025-04-26 16:20:16,087 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "NonAtomicIncrement_2Threads_Loop.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.04 04:20:16" (1/1) ... [2025-04-26 16:20:16,092 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-04-26 16:20:16,093 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-04-26 16:20:16,093 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-04-26 16:20:16,093 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-04-26 16:20:16,094 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "NonAtomicIncrement_2Threads_Loop.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.04 04:20:16" (1/1) ... [2025-04-26 16:20:16,098 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:20:16,105 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:20:16,116 INFO L229 MonitoredProcess]: Starting monitored process 1 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 16:20:16,118 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2025-04-26 16:20:16,140 INFO L130 BoogieDeclarations]: Found specification of procedure fistIncrementProcess [2025-04-26 16:20:16,140 INFO L138 BoogieDeclarations]: Found implementation of procedure fistIncrementProcess [2025-04-26 16:20:16,140 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-04-26 16:20:16,140 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-04-26 16:20:16,140 INFO L130 BoogieDeclarations]: Found specification of procedure secondIncrementProcess [2025-04-26 16:20:16,140 INFO L138 BoogieDeclarations]: Found implementation of procedure secondIncrementProcess [2025-04-26 16:20:16,141 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 16:20:16,173 INFO L234 CfgBuilder]: Building ICFG [2025-04-26 16:20:16,174 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-04-26 16:20:16,223 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-04-26 16:20:16,224 INFO L283 CfgBuilder]: Performing block encoding [2025-04-26 16:20:16,230 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-04-26 16:20:16,230 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-04-26 16:20:16,231 INFO L201 PluginConnector]: Adding new model NonAtomicIncrement_2Threads_Loop.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.04 04:20:16 BoogieIcfgContainer [2025-04-26 16:20:16,231 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-04-26 16:20:16,232 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2025-04-26 16:20:16,232 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2025-04-26 16:20:16,235 INFO L274 PluginConnector]: BuchiAutomizer initialized [2025-04-26 16:20:16,236 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-04-26 16:20:16,236 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "NonAtomicIncrement_2Threads_Loop.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.04 04:20:16" (1/2) ... [2025-04-26 16:20:16,237 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@70506041 and model type NonAtomicIncrement_2Threads_Loop.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.04 04:20:16, skipping insertion in model container [2025-04-26 16:20:16,237 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-04-26 16:20:16,237 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "NonAtomicIncrement_2Threads_Loop.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.04 04:20:16" (2/2) ... [2025-04-26 16:20:16,238 INFO L376 chiAutomizerObserver]: Analyzing ICFG NonAtomicIncrement_2Threads_Loop.bpl [2025-04-26 16:20:16,275 INFO L143 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2025-04-26 16:20:16,308 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 29 places, 28 transitions, 76 flow [2025-04-26 16:20:16,324 INFO L116 PetriNetUnfolderBase]: 3/24 cut-off events. [2025-04-26 16:20:16,326 INFO L117 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2025-04-26 16:20:16,330 INFO L83 FinitePrefix]: Finished finitePrefix Result has 35 conditions, 24 events. 3/24 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 39 event pairs, 0 based on Foata normal form. 0/21 useless extension candidates. Maximal degree in co-relation 19. Up to 3 conditions per place. [2025-04-26 16:20:16,330 INFO L82 GeneralOperation]: Start removeDead. Operand has 29 places, 28 transitions, 76 flow [2025-04-26 16:20:16,332 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 27 places, 24 transitions, 66 flow [2025-04-26 16:20:16,333 INFO L84 lAbstractionProvider]: Constructed initial Petri net abstraction that has has 27 places, 24 transitions, 66 flow [2025-04-26 16:20:16,341 INFO L306 stractBuchiCegarLoop]: Interprodecural is true [2025-04-26 16:20:16,341 INFO L307 stractBuchiCegarLoop]: Hoare is None [2025-04-26 16:20:16,341 INFO L308 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2025-04-26 16:20:16,341 INFO L309 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2025-04-26 16:20:16,341 INFO L310 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2025-04-26 16:20:16,341 INFO L311 stractBuchiCegarLoop]: Difference is false [2025-04-26 16:20:16,341 INFO L312 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2025-04-26 16:20:16,341 INFO L316 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2025-04-26 16:20:16,344 INFO L73 BuchiIsEmpty]: Start buchiIsEmpty. Operand currently 0 states, but on-demand construction may add more states [2025-04-26 16:20:16,372 INFO L131 ngComponentsAnalysis]: Automaton has 10 accepting balls. 52 [2025-04-26 16:20:16,372 INFO L88 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-04-26 16:20:16,372 INFO L120 BuchiIsEmpty]: Starting construction of run [2025-04-26 16:20:16,375 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2025-04-26 16:20:16,375 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2025-04-26 16:20:16,375 INFO L340 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2025-04-26 16:20:16,375 INFO L73 BuchiIsEmpty]: Start buchiIsEmpty. Operand currently 75 states, but on-demand construction may add more states [2025-04-26 16:20:16,378 INFO L131 ngComponentsAnalysis]: Automaton has 10 accepting balls. 52 [2025-04-26 16:20:16,378 INFO L88 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-04-26 16:20:16,378 INFO L120 BuchiIsEmpty]: Starting construction of run [2025-04-26 16:20:16,378 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2025-04-26 16:20:16,378 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2025-04-26 16:20:16,382 INFO L752 eck$LassoCheckResult]: Stem: "[44] $Ultimate##0-->L19: Formula: (= v_x_5 0) InVars {} OutVars{x=v_x_5} AuxVars[] AssignedVars[x]" "[68] L19-->$Ultimate##0: Formula: (= v_fistIncrementProcessThread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{fistIncrementProcessThread1of1ForFork0_localx=v_fistIncrementProcessThread1of1ForFork0_localx_6, fistIncrementProcessThread1of1ForFork0_i=v_fistIncrementProcessThread1of1ForFork0_i_12, fistIncrementProcessThread1of1ForFork0_thidvar0=v_fistIncrementProcessThread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[fistIncrementProcessThread1of1ForFork0_localx, fistIncrementProcessThread1of1ForFork0_i, fistIncrementProcessThread1of1ForFork0_thidvar0]" "[52] $Ultimate##0-->L34-1: Formula: (= 0 v_fistIncrementProcessThread1of1ForFork0_i_1) InVars {} OutVars{fistIncrementProcessThread1of1ForFork0_i=v_fistIncrementProcessThread1of1ForFork0_i_1} AuxVars[] AssignedVars[fistIncrementProcessThread1of1ForFork0_i]" [2025-04-26 16:20:16,382 INFO L754 eck$LassoCheckResult]: Loop: "[54] L34-1-->L35: Formula: (< v_fistIncrementProcessThread1of1ForFork0_i_5 3) InVars {fistIncrementProcessThread1of1ForFork0_i=v_fistIncrementProcessThread1of1ForFork0_i_5} OutVars{fistIncrementProcessThread1of1ForFork0_i=v_fistIncrementProcessThread1of1ForFork0_i_5} AuxVars[] AssignedVars[]" "[56] L35-->L36: Formula: (= v_fistIncrementProcessThread1of1ForFork0_localx_1 v_x_1) InVars {x=v_x_1} OutVars{fistIncrementProcessThread1of1ForFork0_localx=v_fistIncrementProcessThread1of1ForFork0_localx_1, x=v_x_1} AuxVars[] AssignedVars[fistIncrementProcessThread1of1ForFork0_localx]" "[57] L36-->L37: Formula: (= (+ v_fistIncrementProcessThread1of1ForFork0_localx_3 1) v_x_2) InVars {fistIncrementProcessThread1of1ForFork0_localx=v_fistIncrementProcessThread1of1ForFork0_localx_3} OutVars{fistIncrementProcessThread1of1ForFork0_localx=v_fistIncrementProcessThread1of1ForFork0_localx_3, x=v_x_2} AuxVars[] AssignedVars[x]" "[58] L37-->L34-1: Formula: (= (+ 1 v_fistIncrementProcessThread1of1ForFork0_i_7) v_fistIncrementProcessThread1of1ForFork0_i_8) InVars {fistIncrementProcessThread1of1ForFork0_i=v_fistIncrementProcessThread1of1ForFork0_i_7} OutVars{fistIncrementProcessThread1of1ForFork0_i=v_fistIncrementProcessThread1of1ForFork0_i_8} AuxVars[] AssignedVars[fistIncrementProcessThread1of1ForFork0_i]" [2025-04-26 16:20:16,385 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-26 16:20:16,386 INFO L85 PathProgramCache]: Analyzing trace with hash 74235, now seen corresponding path program 1 times [2025-04-26 16:20:16,390 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-26 16:20:16,390 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [620077160] [2025-04-26 16:20:16,390 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-26 16:20:16,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-26 16:20:16,428 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-04-26 16:20:16,437 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-04-26 16:20:16,437 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 16:20:16,438 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 16:20:16,438 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-04-26 16:20:16,439 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-04-26 16:20:16,440 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-04-26 16:20:16,440 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 16:20:16,440 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 16:20:16,451 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-04-26 16:20:16,453 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-26 16:20:16,453 INFO L85 PathProgramCache]: Analyzing trace with hash 2587876, now seen corresponding path program 1 times [2025-04-26 16:20:16,453 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-26 16:20:16,454 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [703449442] [2025-04-26 16:20:16,454 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-26 16:20:16,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-26 16:20:16,459 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-04-26 16:20:16,462 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-04-26 16:20:16,462 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 16:20:16,463 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 16:20:16,463 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-04-26 16:20:16,464 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-04-26 16:20:16,466 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-04-26 16:20:16,466 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 16:20:16,466 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 16:20:16,467 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-04-26 16:20:16,468 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-26 16:20:16,468 INFO L85 PathProgramCache]: Analyzing trace with hash -160230946, now seen corresponding path program 1 times [2025-04-26 16:20:16,468 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-26 16:20:16,468 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1402831793] [2025-04-26 16:20:16,468 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-26 16:20:16,469 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-26 16:20:16,471 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-04-26 16:20:16,477 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-04-26 16:20:16,477 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 16:20:16,477 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 16:20:16,477 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-04-26 16:20:16,478 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-04-26 16:20:16,480 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-04-26 16:20:16,480 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 16:20:16,480 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 16:20:16,481 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-04-26 16:20:16,535 INFO L206 LassoAnalysis]: Preferences: [2025-04-26 16:20:16,536 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-04-26 16:20:16,536 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-04-26 16:20:16,536 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-04-26 16:20:16,536 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2025-04-26 16:20:16,537 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:20:16,537 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-04-26 16:20:16,537 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-04-26 16:20:16,537 INFO L132 ssoRankerPreferences]: Filename of dumped script: NonAtomicIncrement_2Threads_Loop.bpl_petrified1_Iteration1_Loop [2025-04-26 16:20:16,537 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-04-26 16:20:16,537 INFO L243 LassoAnalysis]: Starting lasso preprocessing... [2025-04-26 16:20:16,547 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 16:20:16,564 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 16:20:16,611 INFO L261 LassoAnalysis]: Preprocessing complete. [2025-04-26 16:20:16,611 INFO L367 LassoAnalysis]: Checking for nontermination... [2025-04-26 16:20:16,612 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:20:16,612 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:20:16,614 INFO L229 MonitoredProcess]: Starting monitored process 2 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 16:20:16,616 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2025-04-26 16:20:16,617 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-04-26 16:20:16,618 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-04-26 16:20:16,649 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2025-04-26 16:20:16,649 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:20:16,649 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:20:16,651 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 16:20:16,652 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 16:20:16,653 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2025-04-26 16:20:16,653 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-04-26 16:20:16,825 INFO L400 LassoAnalysis]: Proved nontermination for one component. [2025-04-26 16:20:16,825 INFO L403 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {fistIncrementProcessThread1of1ForFork0_localx=0, x=1} Honda state: {fistIncrementProcessThread1of1ForFork0_localx=0, x=1} Generalized eigenvectors: [{fistIncrementProcessThread1of1ForFork0_localx=-2, x=-3}, {fistIncrementProcessThread1of1ForFork0_localx=-1, x=0}, {fistIncrementProcessThread1of1ForFork0_localx=4, x=4}] Lambdas: [1, 0, 1] Nus: [1, 0] [2025-04-26 16:20:16,833 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2025-04-26 16:20:16,833 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:20:16,833 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:20:16,835 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 16:20:16,837 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 16:20:16,838 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-04-26 16:20:16,838 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-04-26 16:20:16,857 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 16:20:16,858 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:20:16,858 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:20:16,859 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 16:20:16,860 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 16:20:16,861 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2025-04-26 16:20:16,861 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-04-26 16:20:16,890 INFO L407 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2025-04-26 16:20:16,893 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2025-04-26 16:20:16,893 INFO L206 LassoAnalysis]: Preferences: [2025-04-26 16:20:16,894 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-04-26 16:20:16,894 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-04-26 16:20:16,894 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-04-26 16:20:16,894 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2025-04-26 16:20:16,894 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:20:16,894 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-04-26 16:20:16,894 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-04-26 16:20:16,894 INFO L132 ssoRankerPreferences]: Filename of dumped script: NonAtomicIncrement_2Threads_Loop.bpl_petrified1_Iteration1_Loop [2025-04-26 16:20:16,894 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-04-26 16:20:16,894 INFO L243 LassoAnalysis]: Starting lasso preprocessing... [2025-04-26 16:20:16,895 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 16:20:16,904 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 16:20:16,946 INFO L261 LassoAnalysis]: Preprocessing complete. [2025-04-26 16:20:16,949 INFO L453 LassoAnalysis]: Using template 'affine'. [2025-04-26 16:20:16,950 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:20:16,950 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:20:16,952 INFO L229 MonitoredProcess]: Starting monitored process 6 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 16:20:16,954 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2025-04-26 16:20:16,956 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-04-26 16:20:16,968 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-04-26 16:20:16,968 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-04-26 16:20:16,968 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-04-26 16:20:16,968 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-04-26 16:20:16,968 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-04-26 16:20:16,973 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-04-26 16:20:16,973 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-04-26 16:20:16,980 INFO L490 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-04-26 16:20:16,986 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2025-04-26 16:20:16,986 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:20:16,987 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:20:16,988 INFO L229 MonitoredProcess]: Starting monitored process 7 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 16:20:16,989 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2025-04-26 16:20:16,991 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-04-26 16:20:17,001 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-04-26 16:20:17,002 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-04-26 16:20:17,002 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-04-26 16:20:17,002 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-04-26 16:20:17,002 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-04-26 16:20:17,003 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-04-26 16:20:17,003 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-04-26 16:20:17,007 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2025-04-26 16:20:17,012 INFO L436 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2025-04-26 16:20:17,012 INFO L437 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2025-04-26 16:20:17,013 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:20:17,014 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:20:17,016 INFO L229 MonitoredProcess]: Starting monitored process 8 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 16:20:17,016 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2025-04-26 16:20:17,018 INFO L436 nArgumentSynthesizer]: Simplifying supporting invariants... [2025-04-26 16:20:17,021 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2025-04-26 16:20:17,021 INFO L439 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2025-04-26 16:20:17,021 INFO L476 LassoAnalysis]: Proved termination. [2025-04-26 16:20:17,021 INFO L478 LassoAnalysis]: Termination argument consisting of: Ranking function f(fistIncrementProcessThread1of1ForFork0_i) = -2*fistIncrementProcessThread1of1ForFork0_i + 5 Supporting invariants [] [2025-04-26 16:20:17,026 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2025-04-26 16:20:17,029 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2025-04-26 16:20:17,049 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-26 16:20:17,054 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-04-26 16:20:17,055 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-04-26 16:20:17,055 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 16:20:17,055 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-26 16:20:17,056 INFO L256 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-04-26 16:20:17,057 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-26 16:20:17,065 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-04-26 16:20:17,066 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-04-26 16:20:17,067 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 16:20:17,067 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-26 16:20:17,067 INFO L256 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-04-26 16:20:17,067 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-26 16:20:17,105 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-26 16:20:17,153 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2025-04-26 16:20:17,155 INFO L70 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand currently 75 states, but on-demand construction may add more states Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (in total 7), 3 states have internal predecessors, (7), 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 16:20:17,273 INFO L74 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand currently 75 states, but on-demand construction may add more states. Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (in total 7), 3 states have internal predecessors, (7), 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) Result 180 states and 420 transitions. Complement of second has 6 states. [2025-04-26 16:20:17,275 INFO L140 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2025-04-26 16:20:17,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (in total 7), 3 states have internal predecessors, (7), 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 16:20:17,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 53 transitions. [2025-04-26 16:20:17,282 INFO L85 BuchiAccepts]: Start buchiAccepts Operand 4 states and 53 transitions. Stem has 3 letters. Loop has 4 letters. [2025-04-26 16:20:17,283 INFO L117 BuchiAccepts]: Finished buchiAccepts. [2025-04-26 16:20:17,283 INFO L85 BuchiAccepts]: Start buchiAccepts Operand 4 states and 53 transitions. Stem has 7 letters. Loop has 4 letters. [2025-04-26 16:20:17,283 INFO L117 BuchiAccepts]: Finished buchiAccepts. [2025-04-26 16:20:17,283 INFO L85 BuchiAccepts]: Start buchiAccepts Operand 4 states and 53 transitions. Stem has 3 letters. Loop has 8 letters. [2025-04-26 16:20:17,283 INFO L117 BuchiAccepts]: Finished buchiAccepts. [2025-04-26 16:20:17,283 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 180 states and 420 transitions. [2025-04-26 16:20:17,289 INFO L131 ngComponentsAnalysis]: Automaton has 8 accepting balls. 32 [2025-04-26 16:20:17,292 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 180 states to 97 states and 225 transitions. [2025-04-26 16:20:17,292 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 51 [2025-04-26 16:20:17,293 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 68 [2025-04-26 16:20:17,293 INFO L74 IsDeterministic]: Start isDeterministic. Operand 97 states and 225 transitions. [2025-04-26 16:20:17,293 INFO L81 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2025-04-26 16:20:17,293 INFO L218 hiAutomatonCegarLoop]: Abstraction has 97 states and 225 transitions. [2025-04-26 16:20:17,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states and 225 transitions. [2025-04-26 16:20:17,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 83. [2025-04-26 16:20:17,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 83 states have (on average 2.325301204819277) internal successors, (in total 193), 82 states have internal predecessors, (193), 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 16:20:17,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 193 transitions. [2025-04-26 16:20:17,312 INFO L240 hiAutomatonCegarLoop]: Abstraction has 83 states and 193 transitions. [2025-04-26 16:20:17,312 INFO L438 stractBuchiCegarLoop]: Abstraction has 83 states and 193 transitions. [2025-04-26 16:20:17,313 INFO L340 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2025-04-26 16:20:17,313 INFO L73 BuchiIsEmpty]: Start buchiIsEmpty. Operand 83 states and 193 transitions. [2025-04-26 16:20:17,314 INFO L131 ngComponentsAnalysis]: Automaton has 8 accepting balls. 32 [2025-04-26 16:20:17,314 INFO L88 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-04-26 16:20:17,314 INFO L120 BuchiIsEmpty]: Starting construction of run [2025-04-26 16:20:17,314 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2025-04-26 16:20:17,314 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2025-04-26 16:20:17,315 INFO L752 eck$LassoCheckResult]: Stem: "[44] $Ultimate##0-->L19: Formula: (= v_x_5 0) InVars {} OutVars{x=v_x_5} AuxVars[] AssignedVars[x]" "[68] L19-->$Ultimate##0: Formula: (= v_fistIncrementProcessThread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{fistIncrementProcessThread1of1ForFork0_localx=v_fistIncrementProcessThread1of1ForFork0_localx_6, fistIncrementProcessThread1of1ForFork0_i=v_fistIncrementProcessThread1of1ForFork0_i_12, fistIncrementProcessThread1of1ForFork0_thidvar0=v_fistIncrementProcessThread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[fistIncrementProcessThread1of1ForFork0_localx, fistIncrementProcessThread1of1ForFork0_i, fistIncrementProcessThread1of1ForFork0_thidvar0]" "[71] L19-1-->$Ultimate##0: Formula: (= v_secondIncrementProcessThread1of1ForFork1_thidvar0_2 2) InVars {} OutVars{secondIncrementProcessThread1of1ForFork1_localx=v_secondIncrementProcessThread1of1ForFork1_localx_6, secondIncrementProcessThread1of1ForFork1_i=v_secondIncrementProcessThread1of1ForFork1_i_12, secondIncrementProcessThread1of1ForFork1_thidvar0=v_secondIncrementProcessThread1of1ForFork1_thidvar0_2} AuxVars[] AssignedVars[secondIncrementProcessThread1of1ForFork1_localx, secondIncrementProcessThread1of1ForFork1_i, secondIncrementProcessThread1of1ForFork1_thidvar0]" "[59] $Ultimate##0-->L50-1: Formula: (= v_secondIncrementProcessThread1of1ForFork1_i_1 0) InVars {} OutVars{secondIncrementProcessThread1of1ForFork1_i=v_secondIncrementProcessThread1of1ForFork1_i_1} AuxVars[] AssignedVars[secondIncrementProcessThread1of1ForFork1_i]" [2025-04-26 16:20:17,315 INFO L754 eck$LassoCheckResult]: Loop: "[61] L50-1-->L51: Formula: (< v_secondIncrementProcessThread1of1ForFork1_i_5 3) InVars {secondIncrementProcessThread1of1ForFork1_i=v_secondIncrementProcessThread1of1ForFork1_i_5} OutVars{secondIncrementProcessThread1of1ForFork1_i=v_secondIncrementProcessThread1of1ForFork1_i_5} AuxVars[] AssignedVars[]" "[63] L51-->L52: Formula: (= v_secondIncrementProcessThread1of1ForFork1_localx_1 v_x_6) InVars {x=v_x_6} OutVars{x=v_x_6, secondIncrementProcessThread1of1ForFork1_localx=v_secondIncrementProcessThread1of1ForFork1_localx_1} AuxVars[] AssignedVars[secondIncrementProcessThread1of1ForFork1_localx]" "[64] L52-->L53: Formula: (= v_x_7 (+ v_secondIncrementProcessThread1of1ForFork1_localx_3 1)) InVars {secondIncrementProcessThread1of1ForFork1_localx=v_secondIncrementProcessThread1of1ForFork1_localx_3} OutVars{x=v_x_7, secondIncrementProcessThread1of1ForFork1_localx=v_secondIncrementProcessThread1of1ForFork1_localx_3} AuxVars[] AssignedVars[x]" "[65] L53-->L50-1: Formula: (= (+ v_secondIncrementProcessThread1of1ForFork1_i_7 1) v_secondIncrementProcessThread1of1ForFork1_i_8) InVars {secondIncrementProcessThread1of1ForFork1_i=v_secondIncrementProcessThread1of1ForFork1_i_7} OutVars{secondIncrementProcessThread1of1ForFork1_i=v_secondIncrementProcessThread1of1ForFork1_i_8} AuxVars[] AssignedVars[secondIncrementProcessThread1of1ForFork1_i]" [2025-04-26 16:20:17,316 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-26 16:20:17,316 INFO L85 PathProgramCache]: Analyzing trace with hash 2301933, now seen corresponding path program 1 times [2025-04-26 16:20:17,316 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-26 16:20:17,316 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2123622076] [2025-04-26 16:20:17,316 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-26 16:20:17,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-26 16:20:17,318 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-04-26 16:20:17,319 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-04-26 16:20:17,319 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 16:20:17,319 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 16:20:17,319 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-04-26 16:20:17,320 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-04-26 16:20:17,321 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-04-26 16:20:17,321 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 16:20:17,321 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 16:20:17,322 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-04-26 16:20:17,322 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-26 16:20:17,322 INFO L85 PathProgramCache]: Analyzing trace with hash 2803364, now seen corresponding path program 1 times [2025-04-26 16:20:17,322 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-26 16:20:17,322 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [334385622] [2025-04-26 16:20:17,322 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-26 16:20:17,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-26 16:20:17,325 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-04-26 16:20:17,326 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-04-26 16:20:17,326 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 16:20:17,326 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 16:20:17,327 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-04-26 16:20:17,327 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-04-26 16:20:17,329 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-04-26 16:20:17,329 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 16:20:17,329 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 16:20:17,329 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-04-26 16:20:17,330 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-26 16:20:17,330 INFO L85 PathProgramCache]: Analyzing trace with hash -123465584, now seen corresponding path program 1 times [2025-04-26 16:20:17,330 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-26 16:20:17,330 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1048292679] [2025-04-26 16:20:17,330 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-26 16:20:17,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-26 16:20:17,332 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-04-26 16:20:17,334 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-04-26 16:20:17,334 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 16:20:17,334 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 16:20:17,334 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-04-26 16:20:17,334 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-04-26 16:20:17,336 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-04-26 16:20:17,336 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 16:20:17,336 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 16:20:17,337 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-04-26 16:20:17,360 INFO L206 LassoAnalysis]: Preferences: [2025-04-26 16:20:17,360 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-04-26 16:20:17,360 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-04-26 16:20:17,360 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-04-26 16:20:17,360 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2025-04-26 16:20:17,360 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:20:17,361 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-04-26 16:20:17,361 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-04-26 16:20:17,361 INFO L132 ssoRankerPreferences]: Filename of dumped script: NonAtomicIncrement_2Threads_Loop.bpl_petrified1_Iteration2_Loop [2025-04-26 16:20:17,361 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-04-26 16:20:17,361 INFO L243 LassoAnalysis]: Starting lasso preprocessing... [2025-04-26 16:20:17,361 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 16:20:17,366 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 16:20:17,393 INFO L261 LassoAnalysis]: Preprocessing complete. [2025-04-26 16:20:17,393 INFO L367 LassoAnalysis]: Checking for nontermination... [2025-04-26 16:20:17,394 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:20:17,394 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:20:17,396 INFO L229 MonitoredProcess]: Starting monitored process 9 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 16:20:17,397 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2025-04-26 16:20:17,398 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-04-26 16:20:17,398 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-04-26 16:20:17,422 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2025-04-26 16:20:17,423 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:20:17,423 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:20:17,424 INFO L229 MonitoredProcess]: Starting monitored process 10 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 16:20:17,425 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2025-04-26 16:20:17,426 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2025-04-26 16:20:17,426 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-04-26 16:20:17,502 INFO L400 LassoAnalysis]: Proved nontermination for one component. [2025-04-26 16:20:17,502 INFO L403 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {x=-7, secondIncrementProcessThread1of1ForFork1_localx=-8} Honda state: {x=-7, secondIncrementProcessThread1of1ForFork1_localx=-8} Generalized eigenvectors: [{x=-5, secondIncrementProcessThread1of1ForFork1_localx=-5}, {x=0, secondIncrementProcessThread1of1ForFork1_localx=0}, {x=6, secondIncrementProcessThread1of1ForFork1_localx=6}] Lambdas: [1, 11, 1] Nus: [0, 0] [2025-04-26 16:20:17,508 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2025-04-26 16:20:17,508 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:20:17,508 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:20:17,510 INFO L229 MonitoredProcess]: Starting monitored process 11 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 16:20:17,511 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2025-04-26 16:20:17,512 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-04-26 16:20:17,512 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-04-26 16:20:17,528 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2025-04-26 16:20:17,528 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:20:17,528 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:20:17,530 INFO L229 MonitoredProcess]: Starting monitored process 12 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 16:20:17,532 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2025-04-26 16:20:17,532 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2025-04-26 16:20:17,532 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-04-26 16:20:17,555 INFO L407 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2025-04-26 16:20:17,559 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2025-04-26 16:20:17,559 INFO L206 LassoAnalysis]: Preferences: [2025-04-26 16:20:17,559 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-04-26 16:20:17,559 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-04-26 16:20:17,559 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-04-26 16:20:17,559 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2025-04-26 16:20:17,559 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:20:17,559 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-04-26 16:20:17,559 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-04-26 16:20:17,559 INFO L132 ssoRankerPreferences]: Filename of dumped script: NonAtomicIncrement_2Threads_Loop.bpl_petrified1_Iteration2_Loop [2025-04-26 16:20:17,559 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-04-26 16:20:17,559 INFO L243 LassoAnalysis]: Starting lasso preprocessing... [2025-04-26 16:20:17,560 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 16:20:17,566 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 16:20:17,594 INFO L261 LassoAnalysis]: Preprocessing complete. [2025-04-26 16:20:17,594 INFO L453 LassoAnalysis]: Using template 'affine'. [2025-04-26 16:20:17,595 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:20:17,595 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:20:17,598 INFO L229 MonitoredProcess]: Starting monitored process 13 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 16:20:17,599 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2025-04-26 16:20:17,600 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-04-26 16:20:17,610 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-04-26 16:20:17,610 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-04-26 16:20:17,611 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-04-26 16:20:17,611 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-04-26 16:20:17,611 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-04-26 16:20:17,613 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-04-26 16:20:17,613 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-04-26 16:20:17,615 INFO L490 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-04-26 16:20:17,621 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2025-04-26 16:20:17,622 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:20:17,622 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:20:17,624 INFO L229 MonitoredProcess]: Starting monitored process 14 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 16:20:17,626 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2025-04-26 16:20:17,627 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-04-26 16:20:17,637 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-04-26 16:20:17,637 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-04-26 16:20:17,637 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-04-26 16:20:17,637 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-04-26 16:20:17,638 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-04-26 16:20:17,638 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-04-26 16:20:17,639 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-04-26 16:20:17,641 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2025-04-26 16:20:17,643 INFO L436 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2025-04-26 16:20:17,643 INFO L437 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2025-04-26 16:20:17,643 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:20:17,643 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:20:17,645 INFO L229 MonitoredProcess]: Starting monitored process 15 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 16:20:17,646 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2025-04-26 16:20:17,647 INFO L436 nArgumentSynthesizer]: Simplifying supporting invariants... [2025-04-26 16:20:17,650 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Ended with exit code 0 [2025-04-26 16:20:17,651 INFO L439 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2025-04-26 16:20:17,651 INFO L476 LassoAnalysis]: Proved termination. [2025-04-26 16:20:17,651 INFO L478 LassoAnalysis]: Termination argument consisting of: Ranking function f(secondIncrementProcessThread1of1ForFork1_i) = -2*secondIncrementProcessThread1of1ForFork1_i + 5 Supporting invariants [] [2025-04-26 16:20:17,657 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2025-04-26 16:20:17,658 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2025-04-26 16:20:17,675 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-26 16:20:17,679 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-04-26 16:20:17,681 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-04-26 16:20:17,681 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 16:20:17,681 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-26 16:20:17,681 INFO L256 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-04-26 16:20:17,681 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-26 16:20:17,690 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-04-26 16:20:17,694 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-04-26 16:20:17,694 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 16:20:17,695 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-26 16:20:17,695 INFO L256 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-04-26 16:20:17,695 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-26 16:20:17,723 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-26 16:20:17,723 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2025-04-26 16:20:17,723 INFO L70 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 83 states and 193 transitions. cyclomatic complexity: 121 Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (in total 8), 3 states have internal predecessors, (8), 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 16:20:17,757 INFO L74 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 83 states and 193 transitions. cyclomatic complexity: 121. Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (in total 8), 3 states have internal predecessors, (8), 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) Result 208 states and 504 transitions. Complement of second has 6 states. [2025-04-26 16:20:17,757 INFO L140 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2025-04-26 16:20:17,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (in total 8), 3 states have internal predecessors, (8), 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 16:20:17,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 40 transitions. [2025-04-26 16:20:17,758 INFO L85 BuchiAccepts]: Start buchiAccepts Operand 4 states and 40 transitions. Stem has 4 letters. Loop has 4 letters. [2025-04-26 16:20:17,758 INFO L117 BuchiAccepts]: Finished buchiAccepts. [2025-04-26 16:20:17,758 INFO L85 BuchiAccepts]: Start buchiAccepts Operand 4 states and 40 transitions. Stem has 8 letters. Loop has 4 letters. [2025-04-26 16:20:17,758 INFO L117 BuchiAccepts]: Finished buchiAccepts. [2025-04-26 16:20:17,758 INFO L85 BuchiAccepts]: Start buchiAccepts Operand 4 states and 40 transitions. Stem has 4 letters. Loop has 8 letters. [2025-04-26 16:20:17,758 INFO L117 BuchiAccepts]: Finished buchiAccepts. [2025-04-26 16:20:17,759 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 208 states and 504 transitions. [2025-04-26 16:20:17,764 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2025-04-26 16:20:17,765 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 208 states to 0 states and 0 transitions. [2025-04-26 16:20:17,765 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2025-04-26 16:20:17,765 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2025-04-26 16:20:17,765 INFO L74 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2025-04-26 16:20:17,765 INFO L81 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2025-04-26 16:20:17,765 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-04-26 16:20:17,765 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-04-26 16:20:17,765 INFO L438 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-04-26 16:20:17,765 INFO L340 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2025-04-26 16:20:17,765 INFO L73 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2025-04-26 16:20:17,765 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2025-04-26 16:20:17,765 INFO L88 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2025-04-26 16:20:17,772 INFO L201 PluginConnector]: Adding new model NonAtomicIncrement_2Threads_Loop.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 26.04 04:20:17 BoogieIcfgContainer [2025-04-26 16:20:17,772 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2025-04-26 16:20:17,772 INFO L158 Benchmark]: Toolchain (without parser) took 1730.52ms. Allocated memory was 163.6MB in the beginning and 167.8MB in the end (delta: 4.2MB). Free memory was 90.5MB in the beginning and 85.0MB in the end (delta: 5.5MB). Peak memory consumption was 13.8MB. Max. memory is 8.0GB. [2025-04-26 16:20:17,773 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.82ms. Allocated memory is still 163.6MB. Free memory is still 91.5MB. There was no memory consumed. Max. memory is 8.0GB. [2025-04-26 16:20:17,773 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.65ms. Allocated memory is still 163.6MB. Free memory was 90.5MB in the beginning and 88.6MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 8.0GB. [2025-04-26 16:20:17,773 INFO L158 Benchmark]: Boogie Preprocessor took 18.01ms. Allocated memory is still 163.6MB. Free memory was 88.6MB in the beginning and 87.6MB in the end (delta: 1.0MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2025-04-26 16:20:17,773 INFO L158 Benchmark]: RCFGBuilder took 137.79ms. Allocated memory is still 163.6MB. Free memory was 87.6MB in the beginning and 78.7MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. [2025-04-26 16:20:17,773 INFO L158 Benchmark]: BuchiAutomizer took 1540.44ms. Allocated memory was 163.6MB in the beginning and 167.8MB in the end (delta: 4.2MB). Free memory was 78.6MB in the beginning and 85.0MB in the end (delta: -6.4MB). Peak memory consumption was 1.2MB. Max. memory is 8.0GB. [2025-04-26 16:20:17,774 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 0.82ms. Allocated memory is still 163.6MB. Free memory is still 91.5MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 31.65ms. Allocated memory is still 163.6MB. Free memory was 90.5MB in the beginning and 88.6MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 8.0GB. * Boogie Preprocessor took 18.01ms. Allocated memory is still 163.6MB. Free memory was 88.6MB in the beginning and 87.6MB in the end (delta: 1.0MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * RCFGBuilder took 137.79ms. Allocated memory is still 163.6MB. Free memory was 87.6MB in the beginning and 78.7MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. * BuchiAutomizer took 1540.44ms. Allocated memory was 163.6MB in the beginning and 167.8MB in the end (delta: 4.2MB). Free memory was 78.6MB in the beginning and 85.0MB in the end (delta: -6.4MB). Peak memory consumption was 1.2MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.4s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 1.0s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 1. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 14 StatesRemovedByMinimization, 1 NontrivialMinimizations. 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 [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 76 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 74 mSDsluCounter, 108 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 54 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 39 IncrementalHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 54 mSDtfsCounter, 39 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT2 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital18 mio100 ax100 hnf100 lsp55 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq200 hnf89 smp100 dnf100 smp100 tf111 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 30ms VariablesStem: 0 VariablesLoop: 3 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 2 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.4s InitialAbstractionConstructionTime: 0.0s InitialAbstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (0 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function 5 + i * -2 and consists of 4 locations. One deterministic module has affine ranking function -2 * i + 5 and consists of 4 locations. - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2025-04-26 16:20:17,789 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...