/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/regression/NonAtomicIncrement_2Threads_Loop.bpl -------------------------------------------------------------------------------- This is Ultimate 0.3.0-wip.dk.ample-buchi-a4216cd-m [2025-04-26 16:52:36,880 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-04-26 16:52:36,931 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/settings/gemcutter/Termination.epf [2025-04-26 16:52:36,934 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-04-26 16:52:36,938 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-04-26 16:52:36,938 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Check unreachability of error function in SV-COMP mode [2025-04-26 16:52:36,938 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Translation Mode: [2025-04-26 16:52:36,952 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-04-26 16:52:36,953 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-04-26 16:52:36,953 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-04-26 16:52:36,953 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-04-26 16:52:36,953 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-04-26 16:52:36,953 INFO L153 SettingsManager]: * Use SBE=true [2025-04-26 16:52:36,953 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2025-04-26 16:52:36,953 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2025-04-26 16:52:36,953 INFO L153 SettingsManager]: * Use old map elimination=false [2025-04-26 16:52:36,953 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2025-04-26 16:52:36,954 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2025-04-26 16:52:36,954 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2025-04-26 16:52:36,954 INFO L153 SettingsManager]: * Automaton type for concurrent programs=PARTIAL_ORDER_BA [2025-04-26 16:52:36,954 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-04-26 16:52:36,954 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2025-04-26 16:52:36,954 INFO L153 SettingsManager]: * sizeof long=4 [2025-04-26 16:52:36,954 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-04-26 16:52:36,954 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-04-26 16:52:36,954 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-04-26 16:52:36,954 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2025-04-26 16:52:36,954 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2025-04-26 16:52:36,954 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2025-04-26 16:52:36,954 INFO L153 SettingsManager]: * sizeof long double=12 [2025-04-26 16:52:36,954 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-04-26 16:52:36,954 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2025-04-26 16:52:36,954 INFO L153 SettingsManager]: * Use constant arrays=true [2025-04-26 16:52:36,954 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-04-26 16:52:36,955 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-04-26 16:52:36,955 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -smt2 -in -t:4000 [2025-04-26 16:52:36,955 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-04-26 16:52:36,955 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-04-26 16:52:36,955 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-04-26 16:52:36,955 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-04-26 16:52:36,955 INFO L153 SettingsManager]: * Use conditional POR in concurrent analysis=false [2025-04-26 16:52:36,955 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2025-04-26 16:52:36,955 INFO L153 SettingsManager]: * TransformationType=MODULO_NEIGHBOR [2025-04-26 16:52:37,151 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-04-26 16:52:37,158 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-04-26 16:52:37,159 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-04-26 16:52:37,160 INFO L270 PluginConnector]: Initializing Boogie PL CUP Parser... [2025-04-26 16:52:37,160 INFO L274 PluginConnector]: Boogie PL CUP Parser initialized [2025-04-26 16:52:37,162 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/regression/NonAtomicIncrement_2Threads_Loop.bpl [2025-04-26 16:52:37,163 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/regression/NonAtomicIncrement_2Threads_Loop.bpl' [2025-04-26 16:52:37,177 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-04-26 16:52:37,178 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2025-04-26 16:52:37,179 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-04-26 16:52:37,179 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-04-26 16:52:37,179 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-04-26 16:52:37,186 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 04:52:37" (1/1) ... [2025-04-26 16:52:37,206 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 04:52:37" (1/1) ... [2025-04-26 16:52:37,210 INFO L138 Inliner]: procedures = 3, calls = 2, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2025-04-26 16:52:37,211 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-04-26 16:52:37,212 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-04-26 16:52:37,212 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-04-26 16:52:37,212 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-04-26 16:52:37,217 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 04:52:37" (1/1) ... [2025-04-26 16:52:37,217 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 04:52:37" (1/1) ... [2025-04-26 16:52:37,218 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 04:52:37" (1/1) ... [2025-04-26 16:52:37,218 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 04:52:37" (1/1) ... [2025-04-26 16:52:37,219 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 04:52:37" (1/1) ... [2025-04-26 16:52:37,220 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 04:52:37" (1/1) ... [2025-04-26 16:52:37,222 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 04:52:37" (1/1) ... [2025-04-26 16:52:37,222 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 04:52:37" (1/1) ... [2025-04-26 16:52:37,222 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 04:52:37" (1/1) ... [2025-04-26 16:52:37,229 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-04-26 16:52:37,229 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-04-26 16:52:37,229 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-04-26 16:52:37,230 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-04-26 16:52:37,234 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 04:52:37" (1/1) ... [2025-04-26 16:52:37,239 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -smt2 -in -t:4000 [2025-04-26 16:52:37,249 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:52:37,261 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 16:52:37,266 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 16:52:37,282 INFO L130 BoogieDeclarations]: Found specification of procedure fistIncrementProcess [2025-04-26 16:52:37,282 INFO L138 BoogieDeclarations]: Found implementation of procedure fistIncrementProcess [2025-04-26 16:52:37,282 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-04-26 16:52:37,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-04-26 16:52:37,283 INFO L130 BoogieDeclarations]: Found specification of procedure secondIncrementProcess [2025-04-26 16:52:37,283 INFO L138 BoogieDeclarations]: Found implementation of procedure secondIncrementProcess [2025-04-26 16:52:37,284 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 16:52:37,315 INFO L234 CfgBuilder]: Building ICFG [2025-04-26 16:52:37,316 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-04-26 16:52:37,378 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-04-26 16:52:37,378 INFO L283 CfgBuilder]: Performing block encoding [2025-04-26 16:52:37,385 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-04-26 16:52:37,385 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-04-26 16:52:37,386 INFO L201 PluginConnector]: Adding new model NonAtomicIncrement_2Threads_Loop.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.04 04:52:37 BoogieIcfgContainer [2025-04-26 16:52:37,386 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-04-26 16:52:37,386 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2025-04-26 16:52:37,386 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2025-04-26 16:52:37,391 INFO L274 PluginConnector]: BuchiAutomizer initialized [2025-04-26 16:52:37,391 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-04-26 16:52:37,392 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 04:52:37" (1/2) ... [2025-04-26 16:52:37,393 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3fb70077 and model type NonAtomicIncrement_2Threads_Loop.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.04 04:52:37, skipping insertion in model container [2025-04-26 16:52:37,393 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-04-26 16:52:37,393 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 04:52:37" (2/2) ... [2025-04-26 16:52:37,394 INFO L376 chiAutomizerObserver]: Analyzing ICFG NonAtomicIncrement_2Threads_Loop.bpl [2025-04-26 16:52:37,437 INFO L143 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2025-04-26 16:52:37,471 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-04-26 16:52:37,471 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2025-04-26 16:52:37,472 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:52:37,473 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 16:52:37,475 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 16:52:37,522 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 29 places, 28 transitions, 76 flow [2025-04-26 16:52:37,540 INFO L116 PetriNetUnfolderBase]: 3/24 cut-off events. [2025-04-26 16:52:37,541 INFO L117 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2025-04-26 16:52:37,547 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 16:52:37,547 INFO L82 GeneralOperation]: Start removeDead. Operand has 29 places, 28 transitions, 76 flow [2025-04-26 16:52:37,552 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 27 places, 24 transitions, 66 flow [2025-04-26 16:52:37,552 INFO L84 lAbstractionProvider]: Constructed initial Petri net abstraction that has has 27 places, 24 transitions, 66 flow [2025-04-26 16:52:37,556 INFO L135 AmpleReduction]: Starting ample reduction [2025-04-26 16:52:37,619 WARN L140 AmpleReduction]: Number of pruned transitions: 24 [2025-04-26 16:52:37,619 WARN L141 AmpleReduction]: Loop nodes with "changing loop node status": 0 [2025-04-26 16:52:37,619 WARN L142 AmpleReduction]: Number of trivial sets caused by loops: 0 [2025-04-26 16:52:37,619 WARN L143 AmpleReduction]: Number of not loop caused trivial ample sets:24 [2025-04-26 16:52:37,619 WARN L144 AmpleReduction]: Number of initially assigned non-trivial ample sets:24 [2025-04-26 16:52:37,619 WARN L145 AmpleReduction]: Times succ was already a loop node:7 [2025-04-26 16:52:37,620 WARN L146 AmpleReduction]: Times some other node on the cycle already had a trivial ample set:3 [2025-04-26 16:52:37,620 INFO L149 AmpleReduction]: Finished ample reduction [2025-04-26 16:52:37,623 INFO L136 dAbstractionProvider]: Constructed initial ample set-reduced NBA abstraction that has 49 states, 47 states have (on average 1.3191489361702127) internal successors, (in total 62), 48 states have internal predecessors, (62), 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 16:52:37,627 INFO L306 stractBuchiCegarLoop]: Interprodecural is true [2025-04-26 16:52:37,628 INFO L307 stractBuchiCegarLoop]: Hoare is None [2025-04-26 16:52:37,628 INFO L308 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2025-04-26 16:52:37,628 INFO L309 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2025-04-26 16:52:37,628 INFO L310 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2025-04-26 16:52:37,628 INFO L311 stractBuchiCegarLoop]: Difference is false [2025-04-26 16:52:37,628 INFO L312 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2025-04-26 16:52:37,628 INFO L316 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2025-04-26 16:52:37,629 INFO L73 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 49 states, 47 states have (on average 1.3191489361702127) internal successors, (in total 62), 48 states have internal predecessors, (62), 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 16:52:37,637 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 24 [2025-04-26 16:52:37,640 INFO L88 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-04-26 16:52:37,640 INFO L120 BuchiIsEmpty]: Starting construction of run [2025-04-26 16:52:37,642 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2025-04-26 16:52:37,642 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2025-04-26 16:52:37,642 INFO L340 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2025-04-26 16:52:37,643 INFO L73 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 49 states, 47 states have (on average 1.3191489361702127) internal successors, (in total 62), 48 states have internal predecessors, (62), 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 16:52:37,647 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 24 [2025-04-26 16:52:37,647 INFO L88 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-04-26 16:52:37,647 INFO L120 BuchiIsEmpty]: Starting construction of run [2025-04-26 16:52:37,648 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2025-04-26 16:52:37,648 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2025-04-26 16:52:37,651 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] $Ultimate##0-->L34-1: Formula: (= 0 v_fistIncrementProcessThread1of1ForFork0_i_1) InVars {} OutVars{fistIncrementProcessThread1of1ForFork0_i=v_fistIncrementProcessThread1of1ForFork0_i_1} AuxVars[] AssignedVars[fistIncrementProcessThread1of1ForFork0_i]" [2025-04-26 16:52:37,652 INFO L754 eck$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 16:52:37,655 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-26 16:52:37,655 INFO L85 PathProgramCache]: Analyzing trace with hash 74235, now seen corresponding path program 1 times [2025-04-26 16:52:37,660 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-26 16:52:37,660 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2009310731] [2025-04-26 16:52:37,660 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-26 16:52:37,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-26 16:52:37,705 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-04-26 16:52:37,710 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-04-26 16:52:37,711 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 16:52:37,711 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 16:52:37,711 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-04-26 16:52:37,714 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-04-26 16:52:37,714 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-04-26 16:52:37,715 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 16:52:37,715 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 16:52:37,725 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-04-26 16:52:37,728 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-26 16:52:37,728 INFO L85 PathProgramCache]: Analyzing trace with hash 2587876, now seen corresponding path program 1 times [2025-04-26 16:52:37,728 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-26 16:52:37,728 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1088488730] [2025-04-26 16:52:37,728 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-26 16:52:37,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-26 16:52:37,733 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-04-26 16:52:37,740 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-04-26 16:52:37,740 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 16:52:37,740 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 16:52:37,741 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-04-26 16:52:37,743 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-04-26 16:52:37,744 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-04-26 16:52:37,744 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 16:52:37,744 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 16:52:37,747 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-04-26 16:52:37,748 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-26 16:52:37,748 INFO L85 PathProgramCache]: Analyzing trace with hash -160230946, now seen corresponding path program 1 times [2025-04-26 16:52:37,748 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-26 16:52:37,749 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1600729147] [2025-04-26 16:52:37,749 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-26 16:52:37,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-26 16:52:37,753 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-04-26 16:52:37,759 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-04-26 16:52:37,759 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 16:52:37,759 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 16:52:37,759 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-04-26 16:52:37,760 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-04-26 16:52:37,764 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-04-26 16:52:37,764 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 16:52:37,764 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 16:52:37,765 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-04-26 16:52:37,833 INFO L206 LassoAnalysis]: Preferences: [2025-04-26 16:52:37,834 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-04-26 16:52:37,834 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-04-26 16:52:37,834 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-04-26 16:52:37,834 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2025-04-26 16:52:37,834 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:52:37,834 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-04-26 16:52:37,834 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-04-26 16:52:37,835 INFO L132 ssoRankerPreferences]: Filename of dumped script: NonAtomicIncrement_2Threads_Loop.bpl_petrified1_Iteration1_Loop [2025-04-26 16:52:37,835 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-04-26 16:52:37,835 INFO L243 LassoAnalysis]: Starting lasso preprocessing... [2025-04-26 16:52:37,846 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 16:52:37,859 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 16:52:37,909 INFO L261 LassoAnalysis]: Preprocessing complete. [2025-04-26 16:52:37,909 INFO L367 LassoAnalysis]: Checking for nontermination... [2025-04-26 16:52:37,911 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:52:37,911 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:52:37,913 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 16:52:37,913 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 16:52:37,915 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-04-26 16:52:37,915 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-04-26 16:52:37,940 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 16:52:37,941 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:52:37,941 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:52:37,942 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 16:52:37,944 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 16:52:37,946 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2025-04-26 16:52:37,946 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-04-26 16:52:38,131 INFO L400 LassoAnalysis]: Proved nontermination for one component. [2025-04-26 16:52:38,131 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 16:52:38,137 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2025-04-26 16:52:38,137 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:52:38,137 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:52:38,139 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 16:52:38,139 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 16:52:38,143 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-04-26 16:52:38,143 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-04-26 16:52:38,158 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 16:52:38,159 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:52:38,159 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:52:38,160 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 16:52:38,161 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 16:52:38,162 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2025-04-26 16:52:38,162 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-04-26 16:52:38,183 INFO L407 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2025-04-26 16:52:38,187 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 16:52:38,187 INFO L206 LassoAnalysis]: Preferences: [2025-04-26 16:52:38,187 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-04-26 16:52:38,187 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-04-26 16:52:38,187 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-04-26 16:52:38,187 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2025-04-26 16:52:38,187 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:52:38,187 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-04-26 16:52:38,188 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-04-26 16:52:38,188 INFO L132 ssoRankerPreferences]: Filename of dumped script: NonAtomicIncrement_2Threads_Loop.bpl_petrified1_Iteration1_Loop [2025-04-26 16:52:38,188 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-04-26 16:52:38,188 INFO L243 LassoAnalysis]: Starting lasso preprocessing... [2025-04-26 16:52:38,189 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 16:52:38,198 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 16:52:38,239 INFO L261 LassoAnalysis]: Preprocessing complete. [2025-04-26 16:52:38,242 INFO L453 LassoAnalysis]: Using template 'affine'. [2025-04-26 16:52:38,243 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:52:38,243 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:52:38,244 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 16:52:38,246 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 16:52:38,247 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 16:52:38,258 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-04-26 16:52:38,258 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-04-26 16:52:38,258 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-04-26 16:52:38,258 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-04-26 16:52:38,258 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-04-26 16:52:38,262 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-04-26 16:52:38,262 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-04-26 16:52:38,264 INFO L490 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-04-26 16:52:38,270 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 16:52:38,270 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:52:38,270 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:52:38,272 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 16:52:38,273 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 16:52:38,274 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 16:52:38,283 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-04-26 16:52:38,283 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-04-26 16:52:38,283 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-04-26 16:52:38,284 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-04-26 16:52:38,284 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-04-26 16:52:38,284 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-04-26 16:52:38,284 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-04-26 16:52:38,287 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2025-04-26 16:52:38,290 INFO L436 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2025-04-26 16:52:38,290 INFO L437 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2025-04-26 16:52:38,291 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:52:38,291 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:52:38,292 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 16:52:38,293 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 16:52:38,294 INFO L436 nArgumentSynthesizer]: Simplifying supporting invariants... [2025-04-26 16:52:38,297 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 16:52:38,297 INFO L439 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2025-04-26 16:52:38,297 INFO L476 LassoAnalysis]: Proved termination. [2025-04-26 16:52:38,297 INFO L478 LassoAnalysis]: Termination argument consisting of: Ranking function f(fistIncrementProcessThread1of1ForFork0_i) = -2*fistIncrementProcessThread1of1ForFork0_i + 5 Supporting invariants [] [2025-04-26 16:52:38,302 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2025-04-26 16:52:38,304 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2025-04-26 16:52:38,345 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-26 16:52:38,350 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-04-26 16:52:38,351 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-04-26 16:52:38,351 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 16:52:38,351 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-26 16:52:38,352 INFO L256 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-04-26 16:52:38,353 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-26 16:52:38,365 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-04-26 16:52:38,366 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-04-26 16:52:38,366 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 16:52:38,366 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-26 16:52:38,367 INFO L256 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-04-26 16:52:38,367 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-26 16:52:38,402 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 16:52:38,436 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 16:52:38,438 INFO L70 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 49 states, 47 states have (on average 1.3191489361702127) internal successors, (in total 62), 48 states have internal predecessors, (62), 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) 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 16:52:38,514 INFO L74 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 49 states, 47 states have (on average 1.3191489361702127) internal successors, (in total 62), 48 states have internal predecessors, (62), 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). 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 95 states and 126 transitions. Complement of second has 6 states. [2025-04-26 16:52:38,515 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 16:52:38,518 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 16:52:38,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 32 transitions. [2025-04-26 16:52:38,524 INFO L85 BuchiAccepts]: Start buchiAccepts Operand 4 states and 32 transitions. Stem has 3 letters. Loop has 4 letters. [2025-04-26 16:52:38,524 INFO L117 BuchiAccepts]: Finished buchiAccepts. [2025-04-26 16:52:38,524 INFO L85 BuchiAccepts]: Start buchiAccepts Operand 4 states and 32 transitions. Stem has 7 letters. Loop has 4 letters. [2025-04-26 16:52:38,524 INFO L117 BuchiAccepts]: Finished buchiAccepts. [2025-04-26 16:52:38,524 INFO L85 BuchiAccepts]: Start buchiAccepts Operand 4 states and 32 transitions. Stem has 3 letters. Loop has 8 letters. [2025-04-26 16:52:38,525 INFO L117 BuchiAccepts]: Finished buchiAccepts. [2025-04-26 16:52:38,525 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 95 states and 126 transitions. [2025-04-26 16:52:38,528 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 12 [2025-04-26 16:52:38,530 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 95 states to 49 states and 68 transitions. [2025-04-26 16:52:38,530 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 25 [2025-04-26 16:52:38,531 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 31 [2025-04-26 16:52:38,531 INFO L74 IsDeterministic]: Start isDeterministic. Operand 49 states and 68 transitions. [2025-04-26 16:52:38,531 INFO L81 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2025-04-26 16:52:38,531 INFO L218 hiAutomatonCegarLoop]: Abstraction has 49 states and 68 transitions. [2025-04-26 16:52:38,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states and 68 transitions. [2025-04-26 16:52:38,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 46. [2025-04-26 16:52:38,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 46 states have (on average 1.3695652173913044) internal successors, (in total 63), 45 states have internal predecessors, (63), 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 16:52:38,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 63 transitions. [2025-04-26 16:52:38,546 INFO L240 hiAutomatonCegarLoop]: Abstraction has 46 states and 63 transitions. [2025-04-26 16:52:38,546 INFO L438 stractBuchiCegarLoop]: Abstraction has 46 states and 63 transitions. [2025-04-26 16:52:38,546 INFO L340 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2025-04-26 16:52:38,546 INFO L73 BuchiIsEmpty]: Start buchiIsEmpty. Operand 46 states and 63 transitions. [2025-04-26 16:52:38,546 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 12 [2025-04-26 16:52:38,546 INFO L88 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-04-26 16:52:38,546 INFO L120 BuchiIsEmpty]: Starting construction of run [2025-04-26 16:52:38,547 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2025-04-26 16:52:38,547 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2025-04-26 16:52:38,547 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] $Ultimate##0-->L34-1: Formula: (= 0 v_fistIncrementProcessThread1of1ForFork0_i_1) InVars {} OutVars{fistIncrementProcessThread1of1ForFork0_i=v_fistIncrementProcessThread1of1ForFork0_i_1} AuxVars[] AssignedVars[fistIncrementProcessThread1of1ForFork0_i]" "[54] L34-1-->L35: Formula: (< v_fistIncrementProcessThread1of1ForFork0_i_5 3) InVars {fistIncrementProcessThread1of1ForFork0_i=v_fistIncrementProcessThread1of1ForFork0_i_5} OutVars{fistIncrementProcessThread1of1ForFork0_i=v_fistIncrementProcessThread1of1ForFork0_i_5} AuxVars[] AssignedVars[]" "[71] L19-1-->$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] $Ultimate##0-->L50-1: Formula: (= v_secondIncrementProcessThread1of1ForFork1_i_1 0) InVars {} OutVars{secondIncrementProcessThread1of1ForFork1_i=v_secondIncrementProcessThread1of1ForFork1_i_1} AuxVars[] AssignedVars[secondIncrementProcessThread1of1ForFork1_i]" [2025-04-26 16:52:38,547 INFO L754 eck$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 16:52:38,547 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-26 16:52:38,547 INFO L85 PathProgramCache]: Analyzing trace with hash -2083378257, now seen corresponding path program 1 times [2025-04-26 16:52:38,548 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-26 16:52:38,548 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1756583934] [2025-04-26 16:52:38,548 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-26 16:52:38,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-26 16:52:38,549 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-04-26 16:52:38,551 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-04-26 16:52:38,551 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 16:52:38,551 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 16:52:38,551 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-04-26 16:52:38,551 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-04-26 16:52:38,552 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-04-26 16:52:38,552 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 16:52:38,552 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 16:52:38,553 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-04-26 16:52:38,553 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-26 16:52:38,553 INFO L85 PathProgramCache]: Analyzing trace with hash 2803364, now seen corresponding path program 1 times [2025-04-26 16:52:38,553 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-26 16:52:38,553 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [431972014] [2025-04-26 16:52:38,553 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-26 16:52:38,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-26 16:52:38,556 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-04-26 16:52:38,557 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-04-26 16:52:38,558 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 16:52:38,558 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 16:52:38,558 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-04-26 16:52:38,558 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-04-26 16:52:38,559 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-04-26 16:52:38,559 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 16:52:38,559 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 16:52:38,560 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-04-26 16:52:38,560 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-26 16:52:38,560 INFO L85 PathProgramCache]: Analyzing trace with hash -1300010158, now seen corresponding path program 1 times [2025-04-26 16:52:38,560 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-26 16:52:38,560 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1370504822] [2025-04-26 16:52:38,560 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-26 16:52:38,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-26 16:52:38,563 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 10 statements into 1 equivalence classes. [2025-04-26 16:52:38,565 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 10 of 10 statements. [2025-04-26 16:52:38,565 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 16:52:38,565 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 16:52:38,565 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-04-26 16:52:38,566 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 10 statements into 1 equivalence classes. [2025-04-26 16:52:38,572 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 10 of 10 statements. [2025-04-26 16:52:38,572 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 16:52:38,572 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 16:52:38,573 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-04-26 16:52:38,595 INFO L206 LassoAnalysis]: Preferences: [2025-04-26 16:52:38,595 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-04-26 16:52:38,595 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-04-26 16:52:38,595 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-04-26 16:52:38,595 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2025-04-26 16:52:38,595 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:52:38,595 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-04-26 16:52:38,595 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-04-26 16:52:38,595 INFO L132 ssoRankerPreferences]: Filename of dumped script: NonAtomicIncrement_2Threads_Loop.bpl_petrified1_Iteration2_Loop [2025-04-26 16:52:38,595 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-04-26 16:52:38,595 INFO L243 LassoAnalysis]: Starting lasso preprocessing... [2025-04-26 16:52:38,596 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 16:52:38,601 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 16:52:38,626 INFO L261 LassoAnalysis]: Preprocessing complete. [2025-04-26 16:52:38,626 INFO L367 LassoAnalysis]: Checking for nontermination... [2025-04-26 16:52:38,626 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:52:38,626 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:52:38,628 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 16:52:38,629 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 16:52:38,630 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-04-26 16:52:38,630 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-04-26 16:52:38,652 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 16:52:38,653 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:52:38,653 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:52:38,655 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 16:52:38,655 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 16:52:38,656 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2025-04-26 16:52:38,656 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-04-26 16:52:38,730 INFO L400 LassoAnalysis]: Proved nontermination for one component. [2025-04-26 16:52:38,730 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 16:52:38,736 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 16:52:38,736 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:52:38,736 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:52:38,737 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 16:52:38,738 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 16:52:38,739 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-04-26 16:52:38,739 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-04-26 16:52:38,754 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 16:52:38,754 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:52:38,754 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:52:38,756 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 16:52:38,756 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 16:52:38,757 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2025-04-26 16:52:38,757 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-04-26 16:52:38,778 INFO L407 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2025-04-26 16:52:38,782 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2025-04-26 16:52:38,782 INFO L206 LassoAnalysis]: Preferences: [2025-04-26 16:52:38,782 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-04-26 16:52:38,782 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-04-26 16:52:38,782 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-04-26 16:52:38,782 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2025-04-26 16:52:38,782 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:52:38,782 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-04-26 16:52:38,782 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-04-26 16:52:38,782 INFO L132 ssoRankerPreferences]: Filename of dumped script: NonAtomicIncrement_2Threads_Loop.bpl_petrified1_Iteration2_Loop [2025-04-26 16:52:38,782 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-04-26 16:52:38,782 INFO L243 LassoAnalysis]: Starting lasso preprocessing... [2025-04-26 16:52:38,783 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 16:52:38,788 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 16:52:38,813 INFO L261 LassoAnalysis]: Preprocessing complete. [2025-04-26 16:52:38,813 INFO L453 LassoAnalysis]: Using template 'affine'. [2025-04-26 16:52:38,813 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:52:38,813 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:52:38,815 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 16:52:38,816 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 16:52:38,817 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 16:52:38,827 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-04-26 16:52:38,827 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-04-26 16:52:38,827 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-04-26 16:52:38,827 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-04-26 16:52:38,827 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-04-26 16:52:38,828 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-04-26 16:52:38,828 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-04-26 16:52:38,830 INFO L490 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-04-26 16:52:38,835 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 16:52:38,835 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:52:38,835 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:52:38,836 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 16:52:38,837 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 16:52:38,849 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 16:52:38,858 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-04-26 16:52:38,858 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-04-26 16:52:38,858 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-04-26 16:52:38,858 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-04-26 16:52:38,859 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-04-26 16:52:38,861 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-04-26 16:52:38,861 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-04-26 16:52:38,863 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2025-04-26 16:52:38,865 INFO L436 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2025-04-26 16:52:38,865 INFO L437 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2025-04-26 16:52:38,865 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:52:38,865 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:52:38,867 INFO L229 MonitoredProcess]: Starting monitored process 16 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 16:52:38,868 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2025-04-26 16:52:38,869 INFO L436 nArgumentSynthesizer]: Simplifying supporting invariants... [2025-04-26 16:52:38,872 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2025-04-26 16:52:38,873 INFO L439 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2025-04-26 16:52:38,873 INFO L476 LassoAnalysis]: Proved termination. [2025-04-26 16:52:38,874 INFO L478 LassoAnalysis]: Termination argument consisting of: Ranking function f(secondIncrementProcessThread1of1ForFork1_i) = -2*secondIncrementProcessThread1of1ForFork1_i + 5 Supporting invariants [] [2025-04-26 16:52:38,879 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 16:52:38,879 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2025-04-26 16:52:38,896 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-26 16:52:38,899 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-04-26 16:52:38,901 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-04-26 16:52:38,901 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 16:52:38,901 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-26 16:52:38,901 INFO L256 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-04-26 16:52:38,901 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-26 16:52:38,914 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-04-26 16:52:38,916 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-04-26 16:52:38,916 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 16:52:38,916 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-26 16:52:38,917 INFO L256 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-04-26 16:52:38,917 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-26 16:52:38,942 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 16:52:38,942 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 16:52:38,942 INFO L70 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 46 states and 63 transitions. cyclomatic complexity: 22 Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (in total 10), 3 states have internal predecessors, (10), 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 16:52:38,959 INFO L74 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 46 states and 63 transitions. cyclomatic complexity: 22. Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (in total 10), 3 states have internal predecessors, (10), 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 76 states and 109 transitions. Complement of second has 4 states. [2025-04-26 16:52:38,962 INFO L140 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2025-04-26 16:52:38,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (in total 10), 3 states have internal predecessors, (10), 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 16:52:38,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 22 transitions. [2025-04-26 16:52:38,962 INFO L85 BuchiAccepts]: Start buchiAccepts Operand 3 states and 22 transitions. Stem has 6 letters. Loop has 4 letters. [2025-04-26 16:52:38,963 INFO L117 BuchiAccepts]: Finished buchiAccepts. [2025-04-26 16:52:38,963 INFO L85 BuchiAccepts]: Start buchiAccepts Operand 3 states and 22 transitions. Stem has 10 letters. Loop has 4 letters. [2025-04-26 16:52:38,963 INFO L117 BuchiAccepts]: Finished buchiAccepts. [2025-04-26 16:52:38,963 INFO L85 BuchiAccepts]: Start buchiAccepts Operand 3 states and 22 transitions. Stem has 6 letters. Loop has 8 letters. [2025-04-26 16:52:38,963 INFO L117 BuchiAccepts]: Finished buchiAccepts. [2025-04-26 16:52:38,963 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 76 states and 109 transitions. [2025-04-26 16:52:38,964 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2025-04-26 16:52:38,964 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 76 states to 0 states and 0 transitions. [2025-04-26 16:52:38,964 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2025-04-26 16:52:38,964 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2025-04-26 16:52:38,964 INFO L74 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2025-04-26 16:52:38,964 INFO L81 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2025-04-26 16:52:38,964 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-04-26 16:52:38,964 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-04-26 16:52:38,964 INFO L438 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-04-26 16:52:38,964 INFO L340 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2025-04-26 16:52:38,964 INFO L73 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2025-04-26 16:52:38,964 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2025-04-26 16:52:38,965 INFO L88 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2025-04-26 16:52:38,974 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2025-04-26 16:52:38,975 INFO L201 PluginConnector]: Adding new model NonAtomicIncrement_2Threads_Loop.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 26.04 04:52:38 BoogieIcfgContainer [2025-04-26 16:52:38,975 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2025-04-26 16:52:38,976 INFO L158 Benchmark]: Toolchain (without parser) took 1798.04ms. Allocated memory was 159.4MB in the beginning and 155.2MB in the end (delta: -4.2MB). Free memory was 86.1MB in the beginning and 80.0MB in the end (delta: 6.1MB). Peak memory consumption was 724.2kB. Max. memory is 8.0GB. [2025-04-26 16:52:38,976 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.78ms. Allocated memory is still 159.4MB. Free memory is still 86.9MB. There was no memory consumed. Max. memory is 8.0GB. [2025-04-26 16:52:38,976 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.96ms. Allocated memory is still 159.4MB. Free memory was 86.1MB in the beginning and 84.3MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 8.0GB. [2025-04-26 16:52:38,976 INFO L158 Benchmark]: Boogie Preprocessor took 16.91ms. Allocated memory is still 159.4MB. Free memory was 84.1MB in the beginning and 83.2MB in the end (delta: 918.2kB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2025-04-26 16:52:38,976 INFO L158 Benchmark]: RCFGBuilder took 156.39ms. Allocated memory is still 159.4MB. Free memory was 83.2MB in the beginning and 74.3MB in the end (delta: 9.0MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2025-04-26 16:52:38,976 INFO L158 Benchmark]: BuchiAutomizer took 1588.57ms. Allocated memory was 159.4MB in the beginning and 155.2MB in the end (delta: -4.2MB). Free memory was 74.3MB in the beginning and 80.0MB in the end (delta: -5.7MB). There was no memory consumed. Max. memory is 8.0GB. [2025-04-26 16:52:38,977 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 0.78ms. Allocated memory is still 159.4MB. Free memory is still 86.9MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 32.96ms. Allocated memory is still 159.4MB. Free memory was 86.1MB in the beginning and 84.3MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 8.0GB. * Boogie Preprocessor took 16.91ms. Allocated memory is still 159.4MB. Free memory was 84.1MB in the beginning and 83.2MB in the end (delta: 918.2kB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * RCFGBuilder took 156.39ms. Allocated memory is still 159.4MB. Free memory was 83.2MB in the beginning and 74.3MB in the end (delta: 9.0MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * BuchiAutomizer took 1588.57ms. Allocated memory was 159.4MB in the beginning and 155.2MB in the end (delta: -4.2MB). Free memory was 74.3MB in the beginning and 80.0MB in the end (delta: -5.7MB). There was no memory consumed. 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 0.9s. 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, 3 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, 60 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 58 mSDsluCounter, 64 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 32 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 28 IncrementalHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 32 mSDtfsCounter, 28 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: 21ms 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: 0.1s InitialAbstraction: Time to compute Ample Reduction [ms]: 154, Number of transitions in reduction automaton: 62, Number of states in reduction automaton: 49, Underlying: - 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 3 locations. - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2025-04-26 16:52:38,990 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...