/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/weaver-benchmarks/generated/parallel/parallel-sum-equiv.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.3.0-wip.dk.ample-buchi-a4216cd-m [2025-04-26 18:40:44,205 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-04-26 18:40:44,244 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/settings/gemcutter/Termination.epf [2025-04-26 18:40:44,253 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-04-26 18:40:44,253 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-04-26 18:40:44,253 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Check unreachability of error function in SV-COMP mode [2025-04-26 18:40:44,253 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Translation Mode: [2025-04-26 18:40:44,274 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-04-26 18:40:44,274 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-04-26 18:40:44,274 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-04-26 18:40:44,275 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-04-26 18:40:44,275 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-04-26 18:40:44,275 INFO L153 SettingsManager]: * Use SBE=true [2025-04-26 18:40:44,275 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2025-04-26 18:40:44,275 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2025-04-26 18:40:44,275 INFO L153 SettingsManager]: * Use old map elimination=false [2025-04-26 18:40:44,275 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2025-04-26 18:40:44,275 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2025-04-26 18:40:44,275 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2025-04-26 18:40:44,275 INFO L153 SettingsManager]: * Automaton type for concurrent programs=PARTIAL_ORDER_BA [2025-04-26 18:40:44,275 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-04-26 18:40:44,275 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2025-04-26 18:40:44,276 INFO L153 SettingsManager]: * sizeof long=4 [2025-04-26 18:40:44,276 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-04-26 18:40:44,276 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-04-26 18:40:44,276 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-04-26 18:40:44,276 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2025-04-26 18:40:44,276 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2025-04-26 18:40:44,276 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2025-04-26 18:40:44,276 INFO L153 SettingsManager]: * sizeof long double=12 [2025-04-26 18:40:44,276 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-04-26 18:40:44,276 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2025-04-26 18:40:44,276 INFO L153 SettingsManager]: * Use constant arrays=true [2025-04-26 18:40:44,276 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-04-26 18:40:44,276 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-04-26 18:40:44,276 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -smt2 -in -t:4000 [2025-04-26 18:40:44,278 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-04-26 18:40:44,278 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-04-26 18:40:44,278 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-04-26 18:40:44,278 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-04-26 18:40:44,279 INFO L153 SettingsManager]: * Use conditional POR in concurrent analysis=false [2025-04-26 18:40:44,279 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2025-04-26 18:40:44,279 INFO L153 SettingsManager]: * TransformationType=MODULO_NEIGHBOR [2025-04-26 18:40:44,505 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-04-26 18:40:44,514 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-04-26 18:40:44,515 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-04-26 18:40:44,517 INFO L270 PluginConnector]: Initializing Boogie PL CUP Parser... [2025-04-26 18:40:44,519 INFO L274 PluginConnector]: Boogie PL CUP Parser initialized [2025-04-26 18:40:44,521 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/parallel-sum-equiv.wvr.bpl [2025-04-26 18:40:44,521 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/parallel-sum-equiv.wvr.bpl' [2025-04-26 18:40:44,543 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-04-26 18:40:44,544 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2025-04-26 18:40:44,545 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-04-26 18:40:44,545 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-04-26 18:40:44,545 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-04-26 18:40:44,552 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "parallel-sum-equiv.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.04 06:40:44" (1/1) ... [2025-04-26 18:40:44,574 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "parallel-sum-equiv.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.04 06:40:44" (1/1) ... [2025-04-26 18:40:44,580 INFO L138 Inliner]: procedures = 5, calls = 4, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2025-04-26 18:40:44,581 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-04-26 18:40:44,582 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-04-26 18:40:44,582 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-04-26 18:40:44,582 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-04-26 18:40:44,587 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "parallel-sum-equiv.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.04 06:40:44" (1/1) ... [2025-04-26 18:40:44,587 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "parallel-sum-equiv.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.04 06:40:44" (1/1) ... [2025-04-26 18:40:44,588 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "parallel-sum-equiv.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.04 06:40:44" (1/1) ... [2025-04-26 18:40:44,588 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "parallel-sum-equiv.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.04 06:40:44" (1/1) ... [2025-04-26 18:40:44,591 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "parallel-sum-equiv.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.04 06:40:44" (1/1) ... [2025-04-26 18:40:44,591 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "parallel-sum-equiv.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.04 06:40:44" (1/1) ... [2025-04-26 18:40:44,594 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "parallel-sum-equiv.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.04 06:40:44" (1/1) ... [2025-04-26 18:40:44,594 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "parallel-sum-equiv.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.04 06:40:44" (1/1) ... [2025-04-26 18:40:44,594 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "parallel-sum-equiv.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.04 06:40:44" (1/1) ... [2025-04-26 18:40:44,605 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-04-26 18:40:44,608 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-04-26 18:40:44,608 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-04-26 18:40:44,608 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-04-26 18:40:44,609 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "parallel-sum-equiv.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.04 06:40:44" (1/1) ... [2025-04-26 18:40:44,612 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -smt2 -in -t:4000 [2025-04-26 18:40:44,623 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 18:40:44,634 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-04-26 18:40:44,637 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-04-26 18:40:44,659 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2025-04-26 18:40:44,659 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2025-04-26 18:40:44,659 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2025-04-26 18:40:44,659 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2025-04-26 18:40:44,659 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2025-04-26 18:40:44,659 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2025-04-26 18:40:44,659 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2025-04-26 18:40:44,659 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-04-26 18:40:44,659 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-04-26 18:40:44,659 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2025-04-26 18:40:44,659 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2025-04-26 18:40:44,659 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2025-04-26 18:40:44,660 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2025-04-26 18:40:44,660 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2025-04-26 18:40:44,660 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2025-04-26 18:40:44,660 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-04-26 18:40:44,696 INFO L234 CfgBuilder]: Building ICFG [2025-04-26 18:40:44,697 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-04-26 18:40:44,800 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-04-26 18:40:44,800 INFO L283 CfgBuilder]: Performing block encoding [2025-04-26 18:40:44,830 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-04-26 18:40:44,830 INFO L312 CfgBuilder]: Removed 3 assume(true) statements. [2025-04-26 18:40:44,834 INFO L201 PluginConnector]: Adding new model parallel-sum-equiv.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.04 06:40:44 BoogieIcfgContainer [2025-04-26 18:40:44,834 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-04-26 18:40:44,835 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2025-04-26 18:40:44,835 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2025-04-26 18:40:44,841 INFO L274 PluginConnector]: BuchiAutomizer initialized [2025-04-26 18:40:44,842 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-04-26 18:40:44,842 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "parallel-sum-equiv.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.04 06:40:44" (1/2) ... [2025-04-26 18:40:44,843 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6cf417c0 and model type parallel-sum-equiv.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.04 06:40:44, skipping insertion in model container [2025-04-26 18:40:44,843 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-04-26 18:40:44,843 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "parallel-sum-equiv.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.04 06:40:44" (2/2) ... [2025-04-26 18:40:44,844 INFO L376 chiAutomizerObserver]: Analyzing ICFG parallel-sum-equiv.wvr.bpl [2025-04-26 18:40:44,905 INFO L143 ThreadInstanceAdder]: Constructed 10 joinOtherThreadTransitions. [2025-04-26 18:40:44,943 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-04-26 18:40:44,943 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2025-04-26 18:40:44,943 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 18:40:44,945 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2025-04-26 18:40:44,947 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2025-04-26 18:40:45,011 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 44 places, 40 transitions, 120 flow [2025-04-26 18:40:45,033 INFO L116 PetriNetUnfolderBase]: 5/29 cut-off events. [2025-04-26 18:40:45,035 INFO L117 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2025-04-26 18:40:45,038 INFO L83 FinitePrefix]: Finished finitePrefix Result has 48 conditions, 29 events. 5/29 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 38 event pairs, 0 based on Foata normal form. 0/23 useless extension candidates. Maximal degree in co-relation 32. Up to 3 conditions per place. [2025-04-26 18:40:45,038 INFO L82 GeneralOperation]: Start removeDead. Operand has 44 places, 40 transitions, 120 flow [2025-04-26 18:40:45,042 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 37 places, 29 transitions, 88 flow [2025-04-26 18:40:45,042 INFO L84 lAbstractionProvider]: Constructed initial Petri net abstraction that has has 37 places, 29 transitions, 88 flow [2025-04-26 18:40:45,043 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 37 places, 29 transitions, 88 flow [2025-04-26 18:40:45,080 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 179 states, 177 states have (on average 2.9717514124293785) internal successors, (in total 526), 178 states have internal predecessors, (526), 0 states have call successors, (0), 0 states have call predecessors, (in total 0), 0 states have return successors, (0), 0 states have call predecessors, ( in total0), 0 states have call successors, (0) [2025-04-26 18:40:45,083 INFO L171 actionProvider$Eager]: Constructed initial Büchi automaton abstraction (from Petri net) that has 179 states, 177 states have (on average 2.9717514124293785) internal successors, (in total 526), 178 states have internal predecessors, (526), 0 states have call successors, (0), 0 states have call predecessors, (in total 0), 0 states have return successors, (0), 0 states have call predecessors, ( in total0), 0 states have call successors, (0) [2025-04-26 18:40:45,085 INFO L135 AmpleReduction]: Starting ample reduction [2025-04-26 18:40:45,233 WARN L140 AmpleReduction]: Number of pruned transitions: 147 [2025-04-26 18:40:45,233 WARN L141 AmpleReduction]: Loop nodes with "changing loop node status": 0 [2025-04-26 18:40:45,233 WARN L142 AmpleReduction]: Number of trivial sets caused by loops: 27 [2025-04-26 18:40:45,233 WARN L143 AmpleReduction]: Number of not loop caused trivial ample sets:31 [2025-04-26 18:40:45,233 WARN L144 AmpleReduction]: Number of initially assigned non-trivial ample sets:83 [2025-04-26 18:40:45,233 WARN L145 AmpleReduction]: Times succ was already a loop node:56 [2025-04-26 18:40:45,233 WARN L146 AmpleReduction]: Times some other node on the cycle already had a trivial ample set:0 [2025-04-26 18:40:45,233 INFO L149 AmpleReduction]: Finished ample reduction [2025-04-26 18:40:45,234 INFO L136 dAbstractionProvider]: Constructed initial ample set-reduced NBA abstraction that has 142 states, 140 states have (on average 1.9071428571428573) internal successors, (in total 267), 141 states have internal predecessors, (267), 0 states have call successors, (0), 0 states have call predecessors, (in total 0), 0 states have return successors, (0), 0 states have call predecessors, ( in total0), 0 states have call successors, (0) [2025-04-26 18:40:45,240 INFO L306 stractBuchiCegarLoop]: Interprodecural is true [2025-04-26 18:40:45,240 INFO L307 stractBuchiCegarLoop]: Hoare is None [2025-04-26 18:40:45,240 INFO L308 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2025-04-26 18:40:45,240 INFO L309 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2025-04-26 18:40:45,240 INFO L310 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2025-04-26 18:40:45,240 INFO L311 stractBuchiCegarLoop]: Difference is false [2025-04-26 18:40:45,240 INFO L312 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2025-04-26 18:40:45,240 INFO L316 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2025-04-26 18:40:45,242 INFO L73 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 142 states, 140 states have (on average 1.9071428571428573) internal successors, (in total 267), 141 states have internal predecessors, (267), 0 states have call successors, (0), 0 states have call predecessors, (in total 0), 0 states have return successors, (0), 0 states have call predecessors, ( in total0), 0 states have call successors, (0) [2025-04-26 18:40:45,256 INFO L131 ngComponentsAnalysis]: Automaton has 30 accepting balls. 77 [2025-04-26 18:40:45,257 INFO L88 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-04-26 18:40:45,257 INFO L120 BuchiIsEmpty]: Starting construction of run [2025-04-26 18:40:45,262 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2025-04-26 18:40:45,262 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2025-04-26 18:40:45,262 INFO L340 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2025-04-26 18:40:45,263 INFO L73 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 142 states, 140 states have (on average 1.9071428571428573) internal successors, (in total 267), 141 states have internal predecessors, (267), 0 states have call successors, (0), 0 states have call predecessors, (in total 0), 0 states have return successors, (0), 0 states have call predecessors, ( in total0), 0 states have call successors, (0) [2025-04-26 18:40:45,269 INFO L131 ngComponentsAnalysis]: Automaton has 30 accepting balls. 77 [2025-04-26 18:40:45,269 INFO L88 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-04-26 18:40:45,269 INFO L120 BuchiIsEmpty]: Starting construction of run [2025-04-26 18:40:45,269 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2025-04-26 18:40:45,269 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2025-04-26 18:40:45,276 INFO L752 eck$LassoCheckResult]: Stem: "[101] $Ultimate##0-->$Ultimate##0: Formula: (= v_thread1Thread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_thidvar0]" "[80] $Ultimate##0-->L50: Formula: (and (= v_s_2_7 0) (= v_i_3_12 0)) InVars {} OutVars{i_3=v_i_3_12, s_2=v_s_2_7} AuxVars[] AssignedVars[i_3, s_2]" "[113] L50-->L22: Formula: (and (= 2 v_thread2Thread1of1ForFork2_thidvar1_4) (= 2 v_thread2Thread1of1ForFork2_thidvar0_4)) InVars {} OutVars{thread2Thread1of1ForFork2_thidvar1=v_thread2Thread1of1ForFork2_thidvar1_4, thread2Thread1of1ForFork2_thidvar0=v_thread2Thread1of1ForFork2_thidvar0_4} AuxVars[] AssignedVars[thread2Thread1of1ForFork2_thidvar1, thread2Thread1of1ForFork2_thidvar0]" [2025-04-26 18:40:45,276 INFO L754 eck$LassoCheckResult]: Loop: "[87] L22-->L23: Formula: (and (= (select v_X_0_6 v_i_3_18) v_t_4_5) (= (+ v_i_3_19 1) v_i_3_18) (< v_i_3_19 v_n_1_7)) InVars {X_0=v_X_0_6, i_3=v_i_3_19, n_1=v_n_1_7} OutVars{X_0=v_X_0_6, n_1=v_n_1_7, i_3=v_i_3_18, t_4=v_t_4_5} AuxVars[] AssignedVars[i_3, t_4]" "[89] L23-->L22: Formula: (= v_s_2_2 (+ v_s_2_3 v_t_4_2)) InVars {s_2=v_s_2_3, t_4=v_t_4_2} OutVars{s_2=v_s_2_2, t_4=v_t_4_2} AuxVars[] AssignedVars[s_2]" [2025-04-26 18:40:45,282 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-26 18:40:45,283 INFO L85 PathProgramCache]: Analyzing trace with hash 129445, now seen corresponding path program 1 times [2025-04-26 18:40:45,288 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-26 18:40:45,288 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1486678283] [2025-04-26 18:40:45,289 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-26 18:40:45,289 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-26 18:40:45,331 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-04-26 18:40:45,336 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-04-26 18:40:45,337 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 18:40:45,337 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 18:40:45,337 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-04-26 18:40:45,341 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-04-26 18:40:45,343 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-04-26 18:40:45,343 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 18:40:45,343 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 18:40:45,357 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-04-26 18:40:45,361 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-26 18:40:45,361 INFO L85 PathProgramCache]: Analyzing trace with hash 3747, now seen corresponding path program 1 times [2025-04-26 18:40:45,362 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-26 18:40:45,362 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [840719333] [2025-04-26 18:40:45,362 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-26 18:40:45,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-26 18:40:45,367 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-04-26 18:40:45,374 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-04-26 18:40:45,374 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 18:40:45,374 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 18:40:45,374 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-04-26 18:40:45,378 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-04-26 18:40:45,382 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-04-26 18:40:45,382 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 18:40:45,382 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 18:40:45,385 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-04-26 18:40:45,388 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-26 18:40:45,388 INFO L85 PathProgramCache]: Analyzing trace with hash 124399431, now seen corresponding path program 1 times [2025-04-26 18:40:45,388 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-26 18:40:45,388 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [82377228] [2025-04-26 18:40:45,388 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-26 18:40:45,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-26 18:40:45,392 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-04-26 18:40:45,396 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-04-26 18:40:45,397 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 18:40:45,397 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 18:40:45,397 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-04-26 18:40:45,399 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-04-26 18:40:45,405 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-04-26 18:40:45,405 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 18:40:45,405 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 18:40:45,407 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-04-26 18:40:45,542 INFO L206 LassoAnalysis]: Preferences: [2025-04-26 18:40:45,542 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-04-26 18:40:45,542 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-04-26 18:40:45,542 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-04-26 18:40:45,542 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2025-04-26 18:40:45,542 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 18:40:45,543 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-04-26 18:40:45,543 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-04-26 18:40:45,543 INFO L132 ssoRankerPreferences]: Filename of dumped script: parallel-sum-equiv.wvr.bpl_petrified1_Iteration1_Lasso [2025-04-26 18:40:45,543 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-04-26 18:40:45,543 INFO L243 LassoAnalysis]: Starting lasso preprocessing... [2025-04-26 18:40:45,570 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 18:40:45,593 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 18:40:45,597 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 18:40:45,600 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 18:40:45,730 INFO L261 LassoAnalysis]: Preprocessing complete. [2025-04-26 18:40:45,733 INFO L453 LassoAnalysis]: Using template 'affine'. [2025-04-26 18:40:45,734 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 18:40:45,734 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 18:40:45,737 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-04-26 18:40:45,738 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2025-04-26 18:40:45,741 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 18:40:45,752 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-04-26 18:40:45,753 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-04-26 18:40:45,753 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-04-26 18:40:45,753 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-04-26 18:40:45,758 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-04-26 18:40:45,758 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-04-26 18:40:45,766 INFO L490 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-04-26 18:40:45,773 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2025-04-26 18:40:45,773 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 18:40:45,773 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 18:40:45,776 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-04-26 18:40:45,777 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2025-04-26 18:40:45,779 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 18:40:45,789 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-04-26 18:40:45,790 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-04-26 18:40:45,790 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-04-26 18:40:45,790 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-04-26 18:40:45,792 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-04-26 18:40:45,792 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-04-26 18:40:45,795 INFO L490 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-04-26 18:40:45,801 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2025-04-26 18:40:45,802 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 18:40:45,802 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 18:40:45,803 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-04-26 18:40:45,805 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2025-04-26 18:40:45,806 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 18:40:45,817 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-04-26 18:40:45,817 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-04-26 18:40:45,817 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-04-26 18:40:45,817 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-04-26 18:40:45,819 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-04-26 18:40:45,819 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-04-26 18:40:45,824 INFO L490 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-04-26 18:40:45,830 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 18:40:45,831 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 18:40:45,831 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 18:40:45,833 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 18:40:45,834 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 18:40:45,835 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 18:40:45,845 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-04-26 18:40:45,845 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-04-26 18:40:45,845 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-04-26 18:40:45,845 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-04-26 18:40:45,849 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-04-26 18:40:45,849 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-04-26 18:40:45,854 INFO L490 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-04-26 18:40:45,860 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2025-04-26 18:40:45,860 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 18:40:45,861 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 18:40:45,862 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 18:40:45,864 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 18:40:45,865 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 18:40:45,875 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-04-26 18:40:45,875 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-04-26 18:40:45,875 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-04-26 18:40:45,875 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-04-26 18:40:45,878 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-04-26 18:40:45,878 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-04-26 18:40:45,884 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2025-04-26 18:40:45,895 INFO L436 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2025-04-26 18:40:45,895 INFO L437 ModelExtractionUtils]: 4 out of 10 variables were initially zero. Simplification set additionally 3 variables to zero. [2025-04-26 18:40:45,896 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 18:40:45,896 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 18:40:45,899 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 18:40:45,900 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 18:40:45,900 INFO L436 nArgumentSynthesizer]: Simplifying supporting invariants... [2025-04-26 18:40:45,918 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 18:40:45,918 INFO L439 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2025-04-26 18:40:45,918 INFO L476 LassoAnalysis]: Proved termination. [2025-04-26 18:40:45,918 INFO L478 LassoAnalysis]: Termination argument consisting of: Ranking function f(n_1, i_3) = 1*n_1 - 1*i_3 Supporting invariants [] [2025-04-26 18:40:45,925 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2025-04-26 18:40:45,928 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2025-04-26 18:40:45,942 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-26 18:40:45,949 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-04-26 18:40:45,952 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-04-26 18:40:45,952 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 18:40:45,952 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-26 18:40:45,952 INFO L256 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-04-26 18:40:45,953 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-26 18:40:45,965 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-04-26 18:40:45,967 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-04-26 18:40:45,967 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 18:40:45,967 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-26 18:40:45,967 INFO L256 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-04-26 18:40:45,967 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-26 18:40:45,992 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 18:40:46,008 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 18:40:46,010 INFO L70 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 142 states, 140 states have (on average 1.9071428571428573) internal successors, (in total 267), 141 states have internal predecessors, (267), 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 1.6666666666666667) internal successors, (in total 5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (in total 0), 0 states have return successors, (0), 0 states have call predecessors, ( in total0), 0 states have call successors, (0) [2025-04-26 18:40:46,077 INFO L74 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 142 states, 140 states have (on average 1.9071428571428573) internal successors, (in total 267), 141 states have internal predecessors, (267), 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 1.6666666666666667) internal successors, (in total 5), 3 states have internal predecessors, (5), 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 355 states and 711 transitions. Complement of second has 5 states. [2025-04-26 18:40:46,077 INFO L140 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2025-04-26 18:40:46,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (in total 5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (in total 0), 0 states have return successors, (0), 0 states have call predecessors, ( in total0), 0 states have call successors, (0) [2025-04-26 18:40:46,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 44 transitions. [2025-04-26 18:40:46,086 INFO L85 BuchiAccepts]: Start buchiAccepts Operand 4 states and 44 transitions. Stem has 3 letters. Loop has 2 letters. [2025-04-26 18:40:46,087 INFO L117 BuchiAccepts]: Finished buchiAccepts. [2025-04-26 18:40:46,087 INFO L85 BuchiAccepts]: Start buchiAccepts Operand 4 states and 44 transitions. Stem has 5 letters. Loop has 2 letters. [2025-04-26 18:40:46,087 INFO L117 BuchiAccepts]: Finished buchiAccepts. [2025-04-26 18:40:46,087 INFO L85 BuchiAccepts]: Start buchiAccepts Operand 4 states and 44 transitions. Stem has 3 letters. Loop has 4 letters. [2025-04-26 18:40:46,087 INFO L117 BuchiAccepts]: Finished buchiAccepts. [2025-04-26 18:40:46,088 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 355 states and 711 transitions. [2025-04-26 18:40:46,096 INFO L131 ngComponentsAnalysis]: Automaton has 21 accepting balls. 42 [2025-04-26 18:40:46,102 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 355 states to 193 states and 392 transitions. [2025-04-26 18:40:46,103 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 81 [2025-04-26 18:40:46,103 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 120 [2025-04-26 18:40:46,103 INFO L74 IsDeterministic]: Start isDeterministic. Operand 193 states and 392 transitions. [2025-04-26 18:40:46,104 INFO L81 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2025-04-26 18:40:46,104 INFO L218 hiAutomatonCegarLoop]: Abstraction has 193 states and 392 transitions. [2025-04-26 18:40:46,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 193 states and 392 transitions. [2025-04-26 18:40:46,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 193 to 159. [2025-04-26 18:40:46,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 159 states, 159 states have (on average 2.119496855345912) internal successors, (in total 337), 158 states have internal predecessors, (337), 0 states have call successors, (0), 0 states have call predecessors, (in total 0), 0 states have return successors, (0), 0 states have call predecessors, ( in total0), 0 states have call successors, (0) [2025-04-26 18:40:46,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 337 transitions. [2025-04-26 18:40:46,127 INFO L240 hiAutomatonCegarLoop]: Abstraction has 159 states and 337 transitions. [2025-04-26 18:40:46,127 INFO L438 stractBuchiCegarLoop]: Abstraction has 159 states and 337 transitions. [2025-04-26 18:40:46,127 INFO L340 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2025-04-26 18:40:46,127 INFO L73 BuchiIsEmpty]: Start buchiIsEmpty. Operand 159 states and 337 transitions. [2025-04-26 18:40:46,129 INFO L131 ngComponentsAnalysis]: Automaton has 21 accepting balls. 42 [2025-04-26 18:40:46,129 INFO L88 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-04-26 18:40:46,129 INFO L120 BuchiIsEmpty]: Starting construction of run [2025-04-26 18:40:46,130 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2025-04-26 18:40:46,130 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2025-04-26 18:40:46,130 INFO L752 eck$LassoCheckResult]: Stem: "[101] $Ultimate##0-->$Ultimate##0: Formula: (= v_thread1Thread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_thidvar0]" "[80] $Ultimate##0-->L50: Formula: (and (= v_s_2_7 0) (= v_i_3_12 0)) InVars {} OutVars{i_3=v_i_3_12, s_2=v_s_2_7} AuxVars[] AssignedVars[i_3, s_2]" "[113] L50-->L22: Formula: (and (= 2 v_thread2Thread1of1ForFork2_thidvar1_4) (= 2 v_thread2Thread1of1ForFork2_thidvar0_4)) InVars {} OutVars{thread2Thread1of1ForFork2_thidvar1=v_thread2Thread1of1ForFork2_thidvar1_4, thread2Thread1of1ForFork2_thidvar0=v_thread2Thread1of1ForFork2_thidvar0_4} AuxVars[] AssignedVars[thread2Thread1of1ForFork2_thidvar1, thread2Thread1of1ForFork2_thidvar0]" "[87] L22-->L23: Formula: (and (= (select v_X_0_6 v_i_3_18) v_t_4_5) (= (+ v_i_3_19 1) v_i_3_18) (< v_i_3_19 v_n_1_7)) InVars {X_0=v_X_0_6, i_3=v_i_3_19, n_1=v_n_1_7} OutVars{X_0=v_X_0_6, n_1=v_n_1_7, i_3=v_i_3_18, t_4=v_t_4_5} AuxVars[] AssignedVars[i_3, t_4]" "[104] L81-->$Ultimate##0: Formula: (and (= 4 v_thread4Thread1of1ForFork1_thidvar1_2) (= 4 v_thread4Thread1of1ForFork1_thidvar0_2) (= 4 v_thread4Thread1of1ForFork1_thidvar2_2) (= 4 v_thread4Thread1of1ForFork1_thidvar3_2)) InVars {} OutVars{thread4Thread1of1ForFork1_thidvar0=v_thread4Thread1of1ForFork1_thidvar0_2, thread4Thread1of1ForFork1_thidvar1=v_thread4Thread1of1ForFork1_thidvar1_2, thread4Thread1of1ForFork1_thidvar2=v_thread4Thread1of1ForFork1_thidvar2_2, thread4Thread1of1ForFork1_thidvar3=v_thread4Thread1of1ForFork1_thidvar3_2} AuxVars[] AssignedVars[thread4Thread1of1ForFork1_thidvar0, thread4Thread1of1ForFork1_thidvar1, thread4Thread1of1ForFork1_thidvar2, thread4Thread1of1ForFork1_thidvar3]" "[94] $Ultimate##0-->L67: Formula: (and (= v_i_7_7 0) (= v_s_6_5 0)) InVars {} OutVars{i_7=v_i_7_7, s_6=v_s_6_5} AuxVars[] AssignedVars[i_7, s_6]" [2025-04-26 18:40:46,130 INFO L754 eck$LassoCheckResult]: Loop: "[96] L67-->L68: Formula: (and (= (select v_X_0_14 v_i_7_13) v_t_8_5) (= (+ v_i_7_14 1) v_i_7_13) (< v_i_7_14 v_n_1_11)) InVars {X_0=v_X_0_14, i_7=v_i_7_14, n_1=v_n_1_11} OutVars{X_0=v_X_0_14, i_7=v_i_7_13, t_8=v_t_8_5, n_1=v_n_1_11} AuxVars[] AssignedVars[i_7, t_8]" "[98] L68-->L67: Formula: (= v_s_6_3 (+ v_s_6_4 v_t_8_2)) InVars {s_6=v_s_6_4, t_8=v_t_8_2} OutVars{s_6=v_s_6_3, t_8=v_t_8_2} AuxVars[] AssignedVars[s_6]" [2025-04-26 18:40:46,130 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-26 18:40:46,130 INFO L85 PathProgramCache]: Analyzing trace with hash -438584376, now seen corresponding path program 1 times [2025-04-26 18:40:46,130 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-26 18:40:46,131 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [150429788] [2025-04-26 18:40:46,131 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-26 18:40:46,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-26 18:40:46,136 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-04-26 18:40:46,141 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-04-26 18:40:46,141 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 18:40:46,141 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 18:40:46,141 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-04-26 18:40:46,142 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-04-26 18:40:46,145 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-04-26 18:40:46,146 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 18:40:46,146 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 18:40:46,147 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-04-26 18:40:46,148 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-26 18:40:46,148 INFO L85 PathProgramCache]: Analyzing trace with hash 4035, now seen corresponding path program 1 times [2025-04-26 18:40:46,148 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-26 18:40:46,148 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [181400962] [2025-04-26 18:40:46,148 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-26 18:40:46,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-26 18:40:46,149 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-04-26 18:40:46,151 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-04-26 18:40:46,151 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 18:40:46,151 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 18:40:46,151 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-04-26 18:40:46,152 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-04-26 18:40:46,153 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-04-26 18:40:46,153 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 18:40:46,153 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 18:40:46,154 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-04-26 18:40:46,155 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-26 18:40:46,156 INFO L85 PathProgramCache]: Analyzing trace with hash -572787254, now seen corresponding path program 1 times [2025-04-26 18:40:46,156 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-26 18:40:46,156 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [126084866] [2025-04-26 18:40:46,156 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-26 18:40:46,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-26 18:40:46,158 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-04-26 18:40:46,162 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-04-26 18:40:46,162 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 18:40:46,162 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 18:40:46,162 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-04-26 18:40:46,164 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-04-26 18:40:46,168 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-04-26 18:40:46,168 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 18:40:46,168 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 18:40:46,172 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-04-26 18:40:46,279 INFO L206 LassoAnalysis]: Preferences: [2025-04-26 18:40:46,279 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-04-26 18:40:46,279 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-04-26 18:40:46,279 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-04-26 18:40:46,279 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2025-04-26 18:40:46,279 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 18:40:46,279 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-04-26 18:40:46,279 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-04-26 18:40:46,279 INFO L132 ssoRankerPreferences]: Filename of dumped script: parallel-sum-equiv.wvr.bpl_petrified1_Iteration2_Lasso [2025-04-26 18:40:46,279 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-04-26 18:40:46,280 INFO L243 LassoAnalysis]: Starting lasso preprocessing... [2025-04-26 18:40:46,281 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 18:40:46,283 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 18:40:46,286 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 18:40:46,288 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 18:40:46,291 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 18:40:46,293 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 18:40:46,295 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 18:40:46,298 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 18:40:46,300 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 18:40:46,301 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 18:40:46,429 INFO L261 LassoAnalysis]: Preprocessing complete. [2025-04-26 18:40:46,429 INFO L453 LassoAnalysis]: Using template 'affine'. [2025-04-26 18:40:46,429 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 18:40:46,429 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 18:40:46,431 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 18:40:46,432 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 18:40:46,433 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 18:40:46,443 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-04-26 18:40:46,443 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-04-26 18:40:46,443 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-04-26 18:40:46,443 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-04-26 18:40:46,449 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-04-26 18:40:46,450 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-04-26 18:40:46,454 INFO L490 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-04-26 18:40:46,460 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 18:40:46,460 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 18:40:46,460 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 18:40:46,462 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 18:40:46,463 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 18:40:46,465 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 18:40:46,476 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-04-26 18:40:46,476 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-04-26 18:40:46,476 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-04-26 18:40:46,476 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-04-26 18:40:46,477 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-04-26 18:40:46,477 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-04-26 18:40:46,480 INFO L490 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-04-26 18:40:46,486 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 18:40:46,486 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 18:40:46,486 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 18:40:46,488 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 18:40:46,490 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 18:40:46,491 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 18:40:46,500 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-04-26 18:40:46,500 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-04-26 18:40:46,501 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-04-26 18:40:46,501 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-04-26 18:40:46,502 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-04-26 18:40:46,502 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-04-26 18:40:46,505 INFO L490 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-04-26 18:40:46,511 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2025-04-26 18:40:46,511 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 18:40:46,512 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 18:40:46,514 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 18:40:46,516 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 18:40:46,517 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 18:40:46,530 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-04-26 18:40:46,530 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-04-26 18:40:46,530 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-04-26 18:40:46,530 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-04-26 18:40:46,537 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-04-26 18:40:46,537 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-04-26 18:40:46,540 INFO L490 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-04-26 18:40:46,548 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2025-04-26 18:40:46,549 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 18:40:46,549 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 18:40:46,553 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 18:40:46,554 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 18:40:46,555 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 18:40:46,566 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-04-26 18:40:46,566 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-04-26 18:40:46,566 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-04-26 18:40:46,566 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-04-26 18:40:46,568 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-04-26 18:40:46,568 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-04-26 18:40:46,571 INFO L490 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-04-26 18:40:46,577 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 18:40:46,578 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 18:40:46,578 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 18:40:46,579 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 18:40:46,581 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 18:40:46,583 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 18:40:46,593 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-04-26 18:40:46,593 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-04-26 18:40:46,593 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-04-26 18:40:46,593 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-04-26 18:40:46,596 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-04-26 18:40:46,596 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-04-26 18:40:46,598 INFO L490 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-04-26 18:40:46,604 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2025-04-26 18:40:46,604 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 18:40:46,604 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 18:40:46,606 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 18:40:46,608 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 18:40:46,609 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 18:40:46,619 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-04-26 18:40:46,620 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-04-26 18:40:46,620 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-04-26 18:40:46,620 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-04-26 18:40:46,622 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-04-26 18:40:46,624 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-04-26 18:40:46,630 INFO L490 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-04-26 18:40:46,636 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2025-04-26 18:40:46,637 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 18:40:46,637 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 18:40:46,639 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 18:40:46,640 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 18:40:46,641 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 18:40:46,651 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-04-26 18:40:46,652 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-04-26 18:40:46,652 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-04-26 18:40:46,652 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-04-26 18:40:46,654 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-04-26 18:40:46,654 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-04-26 18:40:46,657 INFO L490 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-04-26 18:40:46,664 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 18:40:46,665 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 18:40:46,665 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 18:40:46,666 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-04-26 18:40:46,667 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2025-04-26 18:40:46,669 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 18:40:46,679 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-04-26 18:40:46,679 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-04-26 18:40:46,679 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-04-26 18:40:46,679 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-04-26 18:40:46,680 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-04-26 18:40:46,680 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-04-26 18:40:46,683 INFO L490 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-04-26 18:40:46,688 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2025-04-26 18:40:46,689 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 18:40:46,689 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 18:40:46,690 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-04-26 18:40:46,691 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2025-04-26 18:40:46,692 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 18:40:46,702 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-04-26 18:40:46,702 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-04-26 18:40:46,702 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-04-26 18:40:46,702 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-04-26 18:40:46,704 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-04-26 18:40:46,704 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-04-26 18:40:46,707 INFO L490 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-04-26 18:40:46,713 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Ended with exit code 0 [2025-04-26 18:40:46,713 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 18:40:46,713 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 18:40:46,716 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-04-26 18:40:46,717 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2025-04-26 18:40:46,718 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 18:40:46,728 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-04-26 18:40:46,729 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-04-26 18:40:46,729 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-04-26 18:40:46,729 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-04-26 18:40:46,731 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-04-26 18:40:46,731 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-04-26 18:40:46,747 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2025-04-26 18:40:46,757 INFO L436 ModelExtractionUtils]: Simplification made 7 calls to the SMT solver. [2025-04-26 18:40:46,757 INFO L437 ModelExtractionUtils]: 2 out of 10 variables were initially zero. Simplification set additionally 5 variables to zero. [2025-04-26 18:40:46,757 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 18:40:46,757 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 18:40:46,759 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-04-26 18:40:46,762 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2025-04-26 18:40:46,763 INFO L436 nArgumentSynthesizer]: Simplifying supporting invariants... [2025-04-26 18:40:46,780 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2025-04-26 18:40:46,780 INFO L439 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2025-04-26 18:40:46,780 INFO L476 LassoAnalysis]: Proved termination. [2025-04-26 18:40:46,780 INFO L478 LassoAnalysis]: Termination argument consisting of: Ranking function f(n_1, i_7) = 1*n_1 - 1*i_7 Supporting invariants [] [2025-04-26 18:40:46,786 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2025-04-26 18:40:46,788 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2025-04-26 18:40:46,808 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-26 18:40:46,815 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-04-26 18:40:46,819 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-04-26 18:40:46,819 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 18:40:46,819 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-26 18:40:46,820 INFO L256 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-04-26 18:40:46,820 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-26 18:40:46,833 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-04-26 18:40:46,834 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-04-26 18:40:46,835 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 18:40:46,835 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-26 18:40:46,835 INFO L256 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-04-26 18:40:46,835 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-26 18:40:46,855 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 18:40:46,856 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 18:40:46,856 INFO L70 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 159 states and 337 transitions. cyclomatic complexity: 214 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 18:40:46,913 INFO L74 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 159 states and 337 transitions. cyclomatic complexity: 214. 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 314 states and 639 transitions. Complement of second has 4 states. [2025-04-26 18:40:46,916 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 18:40:46,917 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 18:40:46,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 50 transitions. [2025-04-26 18:40:46,917 INFO L85 BuchiAccepts]: Start buchiAccepts Operand 3 states and 50 transitions. Stem has 6 letters. Loop has 2 letters. [2025-04-26 18:40:46,917 INFO L117 BuchiAccepts]: Finished buchiAccepts. [2025-04-26 18:40:46,917 INFO L85 BuchiAccepts]: Start buchiAccepts Operand 3 states and 50 transitions. Stem has 8 letters. Loop has 2 letters. [2025-04-26 18:40:46,917 INFO L117 BuchiAccepts]: Finished buchiAccepts. [2025-04-26 18:40:46,917 INFO L85 BuchiAccepts]: Start buchiAccepts Operand 3 states and 50 transitions. Stem has 6 letters. Loop has 4 letters. [2025-04-26 18:40:46,918 INFO L117 BuchiAccepts]: Finished buchiAccepts. [2025-04-26 18:40:46,918 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 314 states and 639 transitions. [2025-04-26 18:40:46,920 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2025-04-26 18:40:46,921 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 314 states to 0 states and 0 transitions. [2025-04-26 18:40:46,921 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2025-04-26 18:40:46,921 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2025-04-26 18:40:46,921 INFO L74 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2025-04-26 18:40:46,921 INFO L81 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2025-04-26 18:40:46,921 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-04-26 18:40:46,921 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-04-26 18:40:46,921 INFO L438 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-04-26 18:40:46,921 INFO L340 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2025-04-26 18:40:46,921 INFO L73 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2025-04-26 18:40:46,921 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2025-04-26 18:40:46,921 INFO L88 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2025-04-26 18:40:46,935 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 18:40:46,936 INFO L201 PluginConnector]: Adding new model parallel-sum-equiv.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 26.04 06:40:46 BoogieIcfgContainer [2025-04-26 18:40:46,936 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2025-04-26 18:40:46,937 INFO L158 Benchmark]: Toolchain (without parser) took 2393.08ms. Allocated memory was 155.2MB in the beginning and 142.6MB in the end (delta: -12.6MB). Free memory was 84.8MB in the beginning and 90.3MB in the end (delta: -5.5MB). There was no memory consumed. Max. memory is 8.0GB. [2025-04-26 18:40:46,937 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.79ms. Allocated memory is still 155.2MB. Free memory is still 85.8MB. There was no memory consumed. Max. memory is 8.0GB. [2025-04-26 18:40:46,937 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.92ms. Allocated memory is still 155.2MB. Free memory was 84.8MB in the beginning and 82.9MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 8.0GB. [2025-04-26 18:40:46,937 INFO L158 Benchmark]: Boogie Preprocessor took 23.12ms. Allocated memory is still 155.2MB. Free memory was 82.9MB in the beginning and 81.9MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 8.0GB. [2025-04-26 18:40:46,938 INFO L158 Benchmark]: RCFGBuilder took 226.95ms. Allocated memory is still 155.2MB. Free memory was 81.9MB in the beginning and 71.5MB in the end (delta: 10.3MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2025-04-26 18:40:46,938 INFO L158 Benchmark]: BuchiAutomizer took 2101.27ms. Allocated memory was 155.2MB in the beginning and 142.6MB in the end (delta: -12.6MB). Free memory was 71.3MB in the beginning and 90.3MB in the end (delta: -19.0MB). There was no memory consumed. Max. memory is 8.0GB. [2025-04-26 18:40:46,939 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 0.79ms. Allocated memory is still 155.2MB. Free memory is still 85.8MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 35.92ms. Allocated memory is still 155.2MB. Free memory was 84.8MB in the beginning and 82.9MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 8.0GB. * Boogie Preprocessor took 23.12ms. Allocated memory is still 155.2MB. Free memory was 82.9MB in the beginning and 81.9MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 8.0GB. * RCFGBuilder took 226.95ms. Allocated memory is still 155.2MB. Free memory was 81.9MB in the beginning and 71.5MB in the end (delta: 10.3MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * BuchiAutomizer took 2101.27ms. Allocated memory was 155.2MB in the beginning and 142.6MB in the end (delta: -12.6MB). Free memory was 71.3MB in the beginning and 90.3MB in the end (delta: -19.0MB). 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 1.9s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 1.3s. 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, 34 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, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 58 mSDsluCounter, 37 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 15 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 64 IncrementalHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 22 mSDtfsCounter, 64 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso2 LassoPreprocessingBenchmarks: Lassos: inital50 mio100 ax100 hnf100 lsp66 ukn90 mio100 lsp55 div100 bol100 ite100 ukn100 eq170 hnf92 smp100 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 32ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.2s InitialAbstraction: Time to compute Ample Reduction [ms]: 295, Number of transitions in reduction automaton: 267, Number of states in reduction automaton: 142, 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 -1 * i_3 + n_1 and consists of 4 locations. One deterministic module has affine ranking function n_1 + -1 * i_7 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 18:40:46,953 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request...