/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 16:55:13,426 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-04-26 16:55:13,469 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/settings/gemcutter/Termination.epf [2025-04-26 16:55:13,472 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-04-26 16:55:13,473 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-04-26 16:55:13,473 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Check unreachability of error function in SV-COMP mode [2025-04-26 16:55:13,473 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Translation Mode: [2025-04-26 16:55:13,487 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-04-26 16:55:13,487 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-04-26 16:55:13,487 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-04-26 16:55:13,488 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-04-26 16:55:13,488 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-04-26 16:55:13,488 INFO L153 SettingsManager]: * Use SBE=true [2025-04-26 16:55:13,488 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2025-04-26 16:55:13,488 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2025-04-26 16:55:13,488 INFO L153 SettingsManager]: * Use old map elimination=false [2025-04-26 16:55:13,488 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2025-04-26 16:55:13,488 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2025-04-26 16:55:13,488 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2025-04-26 16:55:13,488 INFO L153 SettingsManager]: * Automaton type for concurrent programs=PARTIAL_ORDER_BA [2025-04-26 16:55:13,488 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-04-26 16:55:13,488 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2025-04-26 16:55:13,488 INFO L153 SettingsManager]: * sizeof long=4 [2025-04-26 16:55:13,488 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-04-26 16:55:13,489 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-04-26 16:55:13,489 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-04-26 16:55:13,489 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2025-04-26 16:55:13,489 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2025-04-26 16:55:13,489 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2025-04-26 16:55:13,489 INFO L153 SettingsManager]: * sizeof long double=12 [2025-04-26 16:55:13,489 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-04-26 16:55:13,489 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2025-04-26 16:55:13,489 INFO L153 SettingsManager]: * Use constant arrays=true [2025-04-26 16:55:13,489 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-04-26 16:55:13,489 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-04-26 16:55:13,489 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -smt2 -in -t:4000 [2025-04-26 16:55:13,489 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-04-26 16:55:13,489 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-04-26 16:55:13,489 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-04-26 16:55:13,489 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-04-26 16:55:13,490 INFO L153 SettingsManager]: * Use conditional POR in concurrent analysis=false [2025-04-26 16:55:13,490 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2025-04-26 16:55:13,490 INFO L153 SettingsManager]: * TransformationType=MODULO_NEIGHBOR [2025-04-26 16:55:13,713 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-04-26 16:55:13,719 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-04-26 16:55:13,721 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-04-26 16:55:13,721 INFO L270 PluginConnector]: Initializing Boogie PL CUP Parser... [2025-04-26 16:55:13,722 INFO L274 PluginConnector]: Boogie PL CUP Parser initialized [2025-04-26 16:55:13,723 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/parallel-sum-equiv.wvr.bpl [2025-04-26 16:55:13,723 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/parallel-sum-equiv.wvr.bpl' [2025-04-26 16:55:13,737 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-04-26 16:55:13,738 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2025-04-26 16:55:13,740 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-04-26 16:55:13,741 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-04-26 16:55:13,741 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-04-26 16:55:13,748 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 04:55:13" (1/1) ... [2025-04-26 16:55:13,766 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 04:55:13" (1/1) ... [2025-04-26 16:55:13,770 INFO L138 Inliner]: procedures = 5, calls = 4, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2025-04-26 16:55:13,771 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-04-26 16:55:13,772 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-04-26 16:55:13,772 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-04-26 16:55:13,772 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-04-26 16:55:13,776 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 04:55:13" (1/1) ... [2025-04-26 16:55:13,776 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 04:55:13" (1/1) ... [2025-04-26 16:55:13,777 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 04:55:13" (1/1) ... [2025-04-26 16:55:13,777 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 04:55:13" (1/1) ... [2025-04-26 16:55:13,779 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 04:55:13" (1/1) ... [2025-04-26 16:55:13,781 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 04:55:13" (1/1) ... [2025-04-26 16:55:13,783 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 04:55:13" (1/1) ... [2025-04-26 16:55:13,783 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 04:55:13" (1/1) ... [2025-04-26 16:55:13,783 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 04:55:13" (1/1) ... [2025-04-26 16:55:13,793 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-04-26 16:55:13,794 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-04-26 16:55:13,794 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-04-26 16:55:13,794 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-04-26 16:55:13,798 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 04:55:13" (1/1) ... [2025-04-26 16:55:13,803 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -smt2 -in -t:4000 [2025-04-26 16:55:13,813 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:55:13,825 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-04-26 16:55:13,829 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-04-26 16:55:13,850 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2025-04-26 16:55:13,851 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2025-04-26 16:55:13,851 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2025-04-26 16:55:13,851 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2025-04-26 16:55:13,851 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2025-04-26 16:55:13,851 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2025-04-26 16:55:13,851 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2025-04-26 16:55:13,851 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-04-26 16:55:13,851 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-04-26 16:55:13,851 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2025-04-26 16:55:13,851 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2025-04-26 16:55:13,851 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2025-04-26 16:55:13,851 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2025-04-26 16:55:13,851 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2025-04-26 16:55:13,851 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2025-04-26 16:55:13,852 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-04-26 16:55:13,886 INFO L234 CfgBuilder]: Building ICFG [2025-04-26 16:55:13,887 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-04-26 16:55:13,976 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-04-26 16:55:13,976 INFO L283 CfgBuilder]: Performing block encoding [2025-04-26 16:55:14,010 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-04-26 16:55:14,010 INFO L312 CfgBuilder]: Removed 3 assume(true) statements. [2025-04-26 16:55:14,010 INFO L201 PluginConnector]: Adding new model parallel-sum-equiv.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.04 04:55:14 BoogieIcfgContainer [2025-04-26 16:55:14,010 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-04-26 16:55:14,013 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2025-04-26 16:55:14,013 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2025-04-26 16:55:14,017 INFO L274 PluginConnector]: BuchiAutomizer initialized [2025-04-26 16:55:14,018 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-04-26 16:55:14,018 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 04:55:13" (1/2) ... [2025-04-26 16:55:14,019 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@10aa7b48 and model type parallel-sum-equiv.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.04 04:55:14, skipping insertion in model container [2025-04-26 16:55:14,019 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-04-26 16:55:14,019 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 04:55:14" (2/2) ... [2025-04-26 16:55:14,020 INFO L376 chiAutomizerObserver]: Analyzing ICFG parallel-sum-equiv.wvr.bpl [2025-04-26 16:55:14,091 INFO L143 ThreadInstanceAdder]: Constructed 10 joinOtherThreadTransitions. [2025-04-26 16:55:14,125 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-04-26 16:55:14,125 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2025-04-26 16:55:14,126 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:55:14,127 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2025-04-26 16:55:14,128 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2025-04-26 16:55:14,181 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 44 places, 40 transitions, 120 flow [2025-04-26 16:55:14,203 INFO L116 PetriNetUnfolderBase]: 5/29 cut-off events. [2025-04-26 16:55:14,205 INFO L117 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2025-04-26 16:55:14,210 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 16:55:14,210 INFO L82 GeneralOperation]: Start removeDead. Operand has 44 places, 40 transitions, 120 flow [2025-04-26 16:55:14,213 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 37 places, 29 transitions, 88 flow [2025-04-26 16:55:14,213 INFO L84 lAbstractionProvider]: Constructed initial Petri net abstraction that has has 37 places, 29 transitions, 88 flow [2025-04-26 16:55:14,218 INFO L135 AmpleReduction]: Starting ample reduction [2025-04-26 16:55:14,370 WARN L140 AmpleReduction]: Number of pruned transitions: 147 [2025-04-26 16:55:14,370 WARN L141 AmpleReduction]: Loop nodes with "changing loop node status": 0 [2025-04-26 16:55:14,370 WARN L142 AmpleReduction]: Number of trivial sets caused by loops: 27 [2025-04-26 16:55:14,370 WARN L143 AmpleReduction]: Number of not loop caused trivial ample sets:31 [2025-04-26 16:55:14,370 WARN L144 AmpleReduction]: Number of initially assigned non-trivial ample sets:83 [2025-04-26 16:55:14,370 WARN L145 AmpleReduction]: Times succ was already a loop node:56 [2025-04-26 16:55:14,371 WARN L146 AmpleReduction]: Times some other node on the cycle already had a trivial ample set:0 [2025-04-26 16:55:14,371 INFO L149 AmpleReduction]: Finished ample reduction [2025-04-26 16:55:14,374 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 16:55:14,380 INFO L306 stractBuchiCegarLoop]: Interprodecural is true [2025-04-26 16:55:14,380 INFO L307 stractBuchiCegarLoop]: Hoare is None [2025-04-26 16:55:14,380 INFO L308 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2025-04-26 16:55:14,380 INFO L309 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2025-04-26 16:55:14,380 INFO L310 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2025-04-26 16:55:14,380 INFO L311 stractBuchiCegarLoop]: Difference is false [2025-04-26 16:55:14,380 INFO L312 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2025-04-26 16:55:14,380 INFO L316 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2025-04-26 16:55:14,382 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 16:55:14,396 INFO L131 ngComponentsAnalysis]: Automaton has 30 accepting balls. 77 [2025-04-26 16:55:14,396 INFO L88 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-04-26 16:55:14,396 INFO L120 BuchiIsEmpty]: Starting construction of run [2025-04-26 16:55:14,400 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2025-04-26 16:55:14,400 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2025-04-26 16:55:14,400 INFO L340 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2025-04-26 16:55:14,401 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 16:55:14,404 INFO L131 ngComponentsAnalysis]: Automaton has 30 accepting balls. 77 [2025-04-26 16:55:14,404 INFO L88 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-04-26 16:55:14,404 INFO L120 BuchiIsEmpty]: Starting construction of run [2025-04-26 16:55:14,404 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2025-04-26 16:55:14,404 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2025-04-26 16:55:14,408 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] $Ultimate##0-->L50: Formula: (and (= v_s_2_7 0) (= v_i_3_12 0)) InVars {} OutVars{i_3=v_i_3_12, s_2=v_s_2_7} AuxVars[] AssignedVars[i_3, s_2]" "[113] L50-->L22: Formula: (and (= 2 v_thread2Thread1of1ForFork2_thidvar1_4) (= 2 v_thread2Thread1of1ForFork2_thidvar0_4)) InVars {} OutVars{thread2Thread1of1ForFork2_thidvar1=v_thread2Thread1of1ForFork2_thidvar1_4, thread2Thread1of1ForFork2_thidvar0=v_thread2Thread1of1ForFork2_thidvar0_4} AuxVars[] AssignedVars[thread2Thread1of1ForFork2_thidvar1, thread2Thread1of1ForFork2_thidvar0]" [2025-04-26 16:55:14,408 INFO L754 eck$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 16:55:14,412 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-26 16:55:14,413 INFO L85 PathProgramCache]: Analyzing trace with hash 129445, now seen corresponding path program 1 times [2025-04-26 16:55:14,418 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-26 16:55:14,419 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1870228587] [2025-04-26 16:55:14,419 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-26 16:55:14,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-26 16:55:14,463 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-04-26 16:55:14,468 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-04-26 16:55:14,469 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 16:55:14,469 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 16:55:14,469 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-04-26 16:55:14,472 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-04-26 16:55:14,473 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-04-26 16:55:14,473 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 16:55:14,473 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 16:55:14,488 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-04-26 16:55:14,491 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-26 16:55:14,491 INFO L85 PathProgramCache]: Analyzing trace with hash 3747, now seen corresponding path program 1 times [2025-04-26 16:55:14,491 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-26 16:55:14,491 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [749262089] [2025-04-26 16:55:14,491 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-26 16:55:14,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-26 16:55:14,497 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-04-26 16:55:14,502 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-04-26 16:55:14,503 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 16:55:14,503 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 16:55:14,503 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-04-26 16:55:14,507 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-04-26 16:55:14,508 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-04-26 16:55:14,508 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 16:55:14,508 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 16:55:14,511 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-04-26 16:55:14,512 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-26 16:55:14,513 INFO L85 PathProgramCache]: Analyzing trace with hash 124399431, now seen corresponding path program 1 times [2025-04-26 16:55:14,513 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-26 16:55:14,513 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [537972640] [2025-04-26 16:55:14,513 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-26 16:55:14,513 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-26 16:55:14,516 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-04-26 16:55:14,522 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-04-26 16:55:14,522 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 16:55:14,522 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 16:55:14,523 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-04-26 16:55:14,524 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-04-26 16:55:14,532 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-04-26 16:55:14,532 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 16:55:14,532 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 16:55:14,534 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-04-26 16:55:14,676 INFO L206 LassoAnalysis]: Preferences: [2025-04-26 16:55:14,677 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-04-26 16:55:14,677 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-04-26 16:55:14,677 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-04-26 16:55:14,677 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2025-04-26 16:55:14,677 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:55:14,677 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-04-26 16:55:14,678 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-04-26 16:55:14,678 INFO L132 ssoRankerPreferences]: Filename of dumped script: parallel-sum-equiv.wvr.bpl_petrified1_Iteration1_Lasso [2025-04-26 16:55:14,678 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-04-26 16:55:14,678 INFO L243 LassoAnalysis]: Starting lasso preprocessing... [2025-04-26 16:55:14,719 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 16:55:14,741 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 16:55:14,744 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 16:55:14,751 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 16:55:14,883 INFO L261 LassoAnalysis]: Preprocessing complete. [2025-04-26 16:55:14,886 INFO L453 LassoAnalysis]: Using template 'affine'. [2025-04-26 16:55:14,887 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:55:14,887 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:55:14,889 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-04-26 16:55:14,891 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2025-04-26 16:55:14,892 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-04-26 16:55:14,905 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-04-26 16:55:14,905 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-04-26 16:55:14,905 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-04-26 16:55:14,906 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-04-26 16:55:14,911 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-04-26 16:55:14,911 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-04-26 16:55:14,915 INFO L490 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-04-26 16:55:14,922 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2025-04-26 16:55:14,922 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:55:14,922 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:55:14,925 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-04-26 16:55:14,927 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2025-04-26 16:55:14,928 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-04-26 16:55:14,938 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-04-26 16:55:14,938 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-04-26 16:55:14,938 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-04-26 16:55:14,938 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-04-26 16:55:14,941 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-04-26 16:55:14,941 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-04-26 16:55:14,947 INFO L490 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-04-26 16:55:14,953 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2025-04-26 16:55:14,954 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:55:14,954 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:55:14,971 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-04-26 16:55:14,971 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2025-04-26 16:55:14,973 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-04-26 16:55:14,984 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-04-26 16:55:14,984 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-04-26 16:55:14,984 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-04-26 16:55:14,984 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-04-26 16:55:14,986 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-04-26 16:55:14,986 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-04-26 16:55:14,990 INFO L490 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-04-26 16:55:14,995 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2025-04-26 16:55:14,996 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:55:14,996 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:55:14,998 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-04-26 16:55:14,999 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2025-04-26 16:55:15,001 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-04-26 16:55:15,011 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-04-26 16:55:15,011 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-04-26 16:55:15,011 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-04-26 16:55:15,011 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-04-26 16:55:15,016 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-04-26 16:55:15,016 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-04-26 16:55:15,026 INFO L490 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-04-26 16:55:15,032 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 16:55:15,032 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:55:15,033 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:55:15,034 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-04-26 16:55:15,035 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2025-04-26 16:55:15,037 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-04-26 16:55:15,048 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-04-26 16:55:15,048 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-04-26 16:55:15,049 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-04-26 16:55:15,049 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-04-26 16:55:15,055 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-04-26 16:55:15,055 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-04-26 16:55:15,061 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2025-04-26 16:55:15,073 INFO L436 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2025-04-26 16:55:15,074 INFO L437 ModelExtractionUtils]: 4 out of 10 variables were initially zero. Simplification set additionally 3 variables to zero. [2025-04-26 16:55:15,075 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:55:15,075 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:55:15,078 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-04-26 16:55:15,079 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2025-04-26 16:55:15,080 INFO L436 nArgumentSynthesizer]: Simplifying supporting invariants... [2025-04-26 16:55:15,096 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2025-04-26 16:55:15,096 INFO L439 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2025-04-26 16:55:15,096 INFO L476 LassoAnalysis]: Proved termination. [2025-04-26 16:55:15,096 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 16:55:15,102 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2025-04-26 16:55:15,104 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2025-04-26 16:55:15,120 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-26 16:55:15,131 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-04-26 16:55:15,133 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-04-26 16:55:15,133 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 16:55:15,133 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-26 16:55:15,134 INFO L256 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-04-26 16:55:15,135 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-26 16:55:15,148 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-04-26 16:55:15,150 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-04-26 16:55:15,150 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 16:55:15,150 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-26 16:55:15,150 INFO L256 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-04-26 16:55:15,151 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-26 16:55:15,180 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-26 16:55:15,194 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2025-04-26 16:55:15,196 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 16:55:15,267 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 16:55:15,268 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 16:55:15,272 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 16:55:15,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 44 transitions. [2025-04-26 16:55:15,276 INFO L85 BuchiAccepts]: Start buchiAccepts Operand 4 states and 44 transitions. Stem has 3 letters. Loop has 2 letters. [2025-04-26 16:55:15,277 INFO L117 BuchiAccepts]: Finished buchiAccepts. [2025-04-26 16:55:15,277 INFO L85 BuchiAccepts]: Start buchiAccepts Operand 4 states and 44 transitions. Stem has 5 letters. Loop has 2 letters. [2025-04-26 16:55:15,277 INFO L117 BuchiAccepts]: Finished buchiAccepts. [2025-04-26 16:55:15,277 INFO L85 BuchiAccepts]: Start buchiAccepts Operand 4 states and 44 transitions. Stem has 3 letters. Loop has 4 letters. [2025-04-26 16:55:15,277 INFO L117 BuchiAccepts]: Finished buchiAccepts. [2025-04-26 16:55:15,277 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 355 states and 711 transitions. [2025-04-26 16:55:15,282 INFO L131 ngComponentsAnalysis]: Automaton has 21 accepting balls. 42 [2025-04-26 16:55:15,287 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 355 states to 193 states and 392 transitions. [2025-04-26 16:55:15,287 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 81 [2025-04-26 16:55:15,288 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 120 [2025-04-26 16:55:15,288 INFO L74 IsDeterministic]: Start isDeterministic. Operand 193 states and 392 transitions. [2025-04-26 16:55:15,288 INFO L81 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2025-04-26 16:55:15,288 INFO L218 hiAutomatonCegarLoop]: Abstraction has 193 states and 392 transitions. [2025-04-26 16:55:15,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 193 states and 392 transitions. [2025-04-26 16:55:15,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 193 to 159. [2025-04-26 16:55:15,309 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 16:55:15,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 337 transitions. [2025-04-26 16:55:15,310 INFO L240 hiAutomatonCegarLoop]: Abstraction has 159 states and 337 transitions. [2025-04-26 16:55:15,311 INFO L438 stractBuchiCegarLoop]: Abstraction has 159 states and 337 transitions. [2025-04-26 16:55:15,311 INFO L340 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2025-04-26 16:55:15,311 INFO L73 BuchiIsEmpty]: Start buchiIsEmpty. Operand 159 states and 337 transitions. [2025-04-26 16:55:15,313 INFO L131 ngComponentsAnalysis]: Automaton has 21 accepting balls. 42 [2025-04-26 16:55:15,313 INFO L88 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-04-26 16:55:15,313 INFO L120 BuchiIsEmpty]: Starting construction of run [2025-04-26 16:55:15,313 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2025-04-26 16:55:15,313 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2025-04-26 16:55:15,314 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] $Ultimate##0-->L67: Formula: (and (= v_i_7_7 0) (= v_s_6_5 0)) InVars {} OutVars{i_7=v_i_7_7, s_6=v_s_6_5} AuxVars[] AssignedVars[i_7, s_6]" [2025-04-26 16:55:15,314 INFO L754 eck$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 16:55:15,315 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-26 16:55:15,315 INFO L85 PathProgramCache]: Analyzing trace with hash -438584376, now seen corresponding path program 1 times [2025-04-26 16:55:15,315 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-26 16:55:15,315 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [988850513] [2025-04-26 16:55:15,315 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-26 16:55:15,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-26 16:55:15,319 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-04-26 16:55:15,322 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-04-26 16:55:15,322 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 16:55:15,323 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 16:55:15,323 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-04-26 16:55:15,325 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-04-26 16:55:15,331 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-04-26 16:55:15,331 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 16:55:15,331 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 16:55:15,333 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-04-26 16:55:15,333 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-26 16:55:15,333 INFO L85 PathProgramCache]: Analyzing trace with hash 4035, now seen corresponding path program 1 times [2025-04-26 16:55:15,334 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-26 16:55:15,334 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1815772157] [2025-04-26 16:55:15,334 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-26 16:55:15,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-26 16:55:15,339 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-04-26 16:55:15,340 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-04-26 16:55:15,340 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 16:55:15,340 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 16:55:15,340 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-04-26 16:55:15,341 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-04-26 16:55:15,342 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-04-26 16:55:15,342 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 16:55:15,342 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 16:55:15,343 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-04-26 16:55:15,344 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-26 16:55:15,344 INFO L85 PathProgramCache]: Analyzing trace with hash -572787254, now seen corresponding path program 1 times [2025-04-26 16:55:15,344 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-26 16:55:15,344 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [350897570] [2025-04-26 16:55:15,344 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-26 16:55:15,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-26 16:55:15,347 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-04-26 16:55:15,355 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-04-26 16:55:15,355 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 16:55:15,355 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 16:55:15,355 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-04-26 16:55:15,357 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-04-26 16:55:15,362 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-04-26 16:55:15,362 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 16:55:15,362 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 16:55:15,364 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-04-26 16:55:15,482 INFO L206 LassoAnalysis]: Preferences: [2025-04-26 16:55:15,482 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-04-26 16:55:15,482 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-04-26 16:55:15,482 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-04-26 16:55:15,482 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2025-04-26 16:55:15,482 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:55:15,482 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-04-26 16:55:15,482 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-04-26 16:55:15,482 INFO L132 ssoRankerPreferences]: Filename of dumped script: parallel-sum-equiv.wvr.bpl_petrified1_Iteration2_Lasso [2025-04-26 16:55:15,482 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-04-26 16:55:15,482 INFO L243 LassoAnalysis]: Starting lasso preprocessing... [2025-04-26 16:55:15,483 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 16:55:15,486 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 16:55:15,490 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 16:55:15,493 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 16:55:15,496 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 16:55:15,500 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 16:55:15,503 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 16:55:15,505 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 16:55:15,509 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 16:55:15,512 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 16:55:15,638 INFO L261 LassoAnalysis]: Preprocessing complete. [2025-04-26 16:55:15,638 INFO L453 LassoAnalysis]: Using template 'affine'. [2025-04-26 16:55:15,639 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:55:15,639 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:55:15,640 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-04-26 16:55:15,642 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2025-04-26 16:55:15,643 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-04-26 16:55:15,653 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-04-26 16:55:15,653 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-04-26 16:55:15,653 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-04-26 16:55:15,653 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-04-26 16:55:15,655 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-04-26 16:55:15,655 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-04-26 16:55:15,659 INFO L490 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-04-26 16:55:15,664 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2025-04-26 16:55:15,664 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:55:15,664 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:55:15,674 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-04-26 16:55:15,675 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2025-04-26 16:55:15,676 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-04-26 16:55:15,685 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-04-26 16:55:15,685 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-04-26 16:55:15,685 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-04-26 16:55:15,685 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-04-26 16:55:15,687 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-04-26 16:55:15,687 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-04-26 16:55:15,689 INFO L490 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-04-26 16:55:15,694 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2025-04-26 16:55:15,695 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:55:15,695 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:55:15,711 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-04-26 16:55:15,712 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2025-04-26 16:55:15,712 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-04-26 16:55:15,722 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-04-26 16:55:15,722 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-04-26 16:55:15,722 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-04-26 16:55:15,722 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-04-26 16:55:15,723 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-04-26 16:55:15,723 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-04-26 16:55:15,726 INFO L490 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-04-26 16:55:15,731 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2025-04-26 16:55:15,731 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:55:15,731 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:55:15,733 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-04-26 16:55:15,734 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2025-04-26 16:55:15,735 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-04-26 16:55:15,745 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-04-26 16:55:15,745 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-04-26 16:55:15,745 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-04-26 16:55:15,745 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-04-26 16:55:15,746 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-04-26 16:55:15,746 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-04-26 16:55:15,749 INFO L490 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-04-26 16:55:15,755 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 16:55:15,755 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:55:15,755 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:55:15,757 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-04-26 16:55:15,758 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2025-04-26 16:55:15,760 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-04-26 16:55:15,771 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-04-26 16:55:15,772 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-04-26 16:55:15,772 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-04-26 16:55:15,772 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-04-26 16:55:15,773 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-04-26 16:55:15,773 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-04-26 16:55:15,776 INFO L490 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-04-26 16:55:15,781 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2025-04-26 16:55:15,781 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:55:15,781 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:55:15,783 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-04-26 16:55:15,784 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2025-04-26 16:55:15,785 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-04-26 16:55:15,794 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-04-26 16:55:15,794 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-04-26 16:55:15,794 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-04-26 16:55:15,794 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-04-26 16:55:15,796 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-04-26 16:55:15,796 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-04-26 16:55:15,798 INFO L490 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-04-26 16:55:15,804 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2025-04-26 16:55:15,805 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:55:15,805 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:55:15,807 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-04-26 16:55:15,809 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2025-04-26 16:55:15,809 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-04-26 16:55:15,820 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-04-26 16:55:15,820 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-04-26 16:55:15,820 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-04-26 16:55:15,820 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-04-26 16:55:15,822 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-04-26 16:55:15,822 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-04-26 16:55:15,825 INFO L490 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-04-26 16:55:15,830 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 16:55:15,831 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:55:15,831 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:55:15,832 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-04-26 16:55:15,833 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2025-04-26 16:55:15,835 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 16:55:15,848 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-04-26 16:55:15,848 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-04-26 16:55:15,848 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-04-26 16:55:15,848 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-04-26 16:55:15,851 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-04-26 16:55:15,851 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-04-26 16:55:15,854 INFO L490 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-04-26 16:55:15,859 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Ended with exit code 0 [2025-04-26 16:55:15,860 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:55:15,860 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:55:15,861 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 16:55:15,862 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 16:55:15,863 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-04-26 16:55:15,873 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-04-26 16:55:15,873 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-04-26 16:55:15,873 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-04-26 16:55:15,873 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-04-26 16:55:15,875 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-04-26 16:55:15,875 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-04-26 16:55:15,880 INFO L490 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-04-26 16:55:15,885 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 16:55:15,885 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:55:15,885 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:55:15,888 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 16:55:15,889 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 16:55:15,890 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-04-26 16:55:15,900 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-04-26 16:55:15,900 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-04-26 16:55:15,900 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-04-26 16:55:15,900 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-04-26 16:55:15,902 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-04-26 16:55:15,902 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-04-26 16:55:15,904 INFO L490 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-04-26 16:55:15,910 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 16:55:15,910 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:55:15,910 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:55:15,912 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 16:55:15,912 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 16:55:15,914 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-04-26 16:55:15,924 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-04-26 16:55:15,925 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-04-26 16:55:15,925 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-04-26 16:55:15,925 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-04-26 16:55:15,926 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-04-26 16:55:15,926 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-04-26 16:55:15,930 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2025-04-26 16:55:15,938 INFO L436 ModelExtractionUtils]: Simplification made 7 calls to the SMT solver. [2025-04-26 16:55:15,938 INFO L437 ModelExtractionUtils]: 2 out of 10 variables were initially zero. Simplification set additionally 5 variables to zero. [2025-04-26 16:55:15,938 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:55:15,938 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:55:15,940 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 16:55:15,942 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 16:55:15,942 INFO L436 nArgumentSynthesizer]: Simplifying supporting invariants... [2025-04-26 16:55:15,959 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Ended with exit code 0 [2025-04-26 16:55:15,959 INFO L439 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2025-04-26 16:55:15,959 INFO L476 LassoAnalysis]: Proved termination. [2025-04-26 16:55:15,959 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 16:55:15,967 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 16:55:15,968 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2025-04-26 16:55:15,979 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-26 16:55:15,983 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-04-26 16:55:15,987 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-04-26 16:55:15,987 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 16:55:15,987 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-26 16:55:15,987 INFO L256 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-04-26 16:55:15,988 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-26 16:55:15,996 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-04-26 16:55:16,001 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-04-26 16:55:16,002 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 16:55:16,002 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-26 16:55:16,002 INFO L256 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-04-26 16:55:16,002 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-26 16:55:16,016 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-26 16:55:16,016 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2025-04-26 16:55:16,016 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 16:55:16,065 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 16:55:16,066 INFO L140 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2025-04-26 16:55:16,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (in total 8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (in total 0), 0 states have return successors, (0), 0 states have call predecessors, ( in total0), 0 states have call successors, (0) [2025-04-26 16:55:16,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 50 transitions. [2025-04-26 16:55:16,066 INFO L85 BuchiAccepts]: Start buchiAccepts Operand 3 states and 50 transitions. Stem has 6 letters. Loop has 2 letters. [2025-04-26 16:55:16,066 INFO L117 BuchiAccepts]: Finished buchiAccepts. [2025-04-26 16:55:16,068 INFO L85 BuchiAccepts]: Start buchiAccepts Operand 3 states and 50 transitions. Stem has 8 letters. Loop has 2 letters. [2025-04-26 16:55:16,068 INFO L117 BuchiAccepts]: Finished buchiAccepts. [2025-04-26 16:55:16,068 INFO L85 BuchiAccepts]: Start buchiAccepts Operand 3 states and 50 transitions. Stem has 6 letters. Loop has 4 letters. [2025-04-26 16:55:16,068 INFO L117 BuchiAccepts]: Finished buchiAccepts. [2025-04-26 16:55:16,068 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 314 states and 639 transitions. [2025-04-26 16:55:16,081 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2025-04-26 16:55:16,081 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 314 states to 0 states and 0 transitions. [2025-04-26 16:55:16,081 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2025-04-26 16:55:16,081 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2025-04-26 16:55:16,081 INFO L74 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2025-04-26 16:55:16,081 INFO L81 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2025-04-26 16:55:16,082 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-04-26 16:55:16,082 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-04-26 16:55:16,082 INFO L438 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-04-26 16:55:16,082 INFO L340 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2025-04-26 16:55:16,082 INFO L73 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2025-04-26 16:55:16,082 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2025-04-26 16:55:16,082 INFO L88 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2025-04-26 16:55:16,094 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2025-04-26 16:55:16,095 INFO L201 PluginConnector]: Adding new model parallel-sum-equiv.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 26.04 04:55:16 BoogieIcfgContainer [2025-04-26 16:55:16,095 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2025-04-26 16:55:16,096 INFO L158 Benchmark]: Toolchain (without parser) took 2357.93ms. Allocated memory was 163.6MB in the beginning and 155.2MB in the end (delta: -8.4MB). Free memory was 87.3MB in the beginning and 108.5MB in the end (delta: -21.2MB). There was no memory consumed. Max. memory is 8.0GB. [2025-04-26 16:55:16,096 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.19ms. Allocated memory is still 163.6MB. Free memory is still 88.4MB. There was no memory consumed. Max. memory is 8.0GB. [2025-04-26 16:55:16,096 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.73ms. Allocated memory is still 163.6MB. Free memory was 87.3MB in the beginning and 85.3MB in the end (delta: 2.0MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2025-04-26 16:55:16,096 INFO L158 Benchmark]: Boogie Preprocessor took 21.39ms. Allocated memory is still 163.6MB. Free memory was 85.3MB in the beginning and 84.3MB in the end (delta: 992.6kB). There was no memory consumed. Max. memory is 8.0GB. [2025-04-26 16:55:16,096 INFO L158 Benchmark]: RCFGBuilder took 216.82ms. Allocated memory is still 163.6MB. Free memory was 84.3MB in the beginning and 74.0MB in the end (delta: 10.4MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2025-04-26 16:55:16,097 INFO L158 Benchmark]: BuchiAutomizer took 2082.44ms. Allocated memory was 163.6MB in the beginning and 155.2MB in the end (delta: -8.4MB). Free memory was 74.0MB in the beginning and 108.5MB in the end (delta: -34.6MB). There was no memory consumed. Max. memory is 8.0GB. [2025-04-26 16:55:16,100 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 0.19ms. Allocated memory is still 163.6MB. Free memory is still 88.4MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 32.73ms. Allocated memory is still 163.6MB. Free memory was 87.3MB in the beginning and 85.3MB in the end (delta: 2.0MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * Boogie Preprocessor took 21.39ms. Allocated memory is still 163.6MB. Free memory was 85.3MB in the beginning and 84.3MB in the end (delta: 992.6kB). There was no memory consumed. Max. memory is 8.0GB. * RCFGBuilder took 216.82ms. Allocated memory is still 163.6MB. Free memory was 84.3MB in the beginning and 74.0MB in the end (delta: 10.4MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * BuchiAutomizer took 2082.44ms. Allocated memory was 163.6MB in the beginning and 155.2MB in the end (delta: -8.4MB). Free memory was 74.0MB in the beginning and 108.5MB in the end (delta: -34.6MB). 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: 28ms 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]: 249, 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 16:55:16,113 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...