/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-1-dsl.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.3.0-wip.dk.ample-buchi-a4216cd-m [2025-04-26 18:40:41,130 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-04-26 18:40:41,196 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/settings/gemcutter/Termination.epf [2025-04-26 18:40:41,200 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-04-26 18:40:41,200 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-04-26 18:40:41,200 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Check unreachability of error function in SV-COMP mode [2025-04-26 18:40:41,200 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Translation Mode: [2025-04-26 18:40:41,219 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-04-26 18:40:41,220 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-04-26 18:40:41,220 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-04-26 18:40:41,221 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-04-26 18:40:41,221 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-04-26 18:40:41,222 INFO L153 SettingsManager]: * Use SBE=true [2025-04-26 18:40:41,222 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2025-04-26 18:40:41,222 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2025-04-26 18:40:41,222 INFO L153 SettingsManager]: * Use old map elimination=false [2025-04-26 18:40:41,222 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2025-04-26 18:40:41,222 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2025-04-26 18:40:41,222 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2025-04-26 18:40:41,222 INFO L153 SettingsManager]: * Automaton type for concurrent programs=PARTIAL_ORDER_BA [2025-04-26 18:40:41,222 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-04-26 18:40:41,222 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2025-04-26 18:40:41,222 INFO L153 SettingsManager]: * sizeof long=4 [2025-04-26 18:40:41,222 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-04-26 18:40:41,222 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-04-26 18:40:41,222 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-04-26 18:40:41,222 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2025-04-26 18:40:41,223 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2025-04-26 18:40:41,223 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2025-04-26 18:40:41,223 INFO L153 SettingsManager]: * sizeof long double=12 [2025-04-26 18:40:41,223 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-04-26 18:40:41,223 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2025-04-26 18:40:41,223 INFO L153 SettingsManager]: * Use constant arrays=true [2025-04-26 18:40:41,223 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-04-26 18:40:41,223 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-04-26 18:40:41,223 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -smt2 -in -t:4000 [2025-04-26 18:40:41,223 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-04-26 18:40:41,223 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-04-26 18:40:41,223 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-04-26 18:40:41,223 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-04-26 18:40:41,223 INFO L153 SettingsManager]: * Use conditional POR in concurrent analysis=false [2025-04-26 18:40:41,224 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2025-04-26 18:40:41,224 INFO L153 SettingsManager]: * TransformationType=MODULO_NEIGHBOR [2025-04-26 18:40:41,462 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-04-26 18:40:41,468 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-04-26 18:40:41,470 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-04-26 18:40:41,471 INFO L270 PluginConnector]: Initializing Boogie PL CUP Parser... [2025-04-26 18:40:41,471 INFO L274 PluginConnector]: Boogie PL CUP Parser initialized [2025-04-26 18:40:41,473 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/parallel-sum-1-dsl.wvr.bpl [2025-04-26 18:40:41,475 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/parallel-sum-1-dsl.wvr.bpl' [2025-04-26 18:40:41,491 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-04-26 18:40:41,492 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2025-04-26 18:40:41,493 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-04-26 18:40:41,493 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-04-26 18:40:41,493 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-04-26 18:40:41,500 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "parallel-sum-1-dsl.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.04 06:40:41" (1/1) ... [2025-04-26 18:40:41,517 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "parallel-sum-1-dsl.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.04 06:40:41" (1/1) ... [2025-04-26 18:40:41,521 INFO L138 Inliner]: procedures = 7, calls = 6, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2025-04-26 18:40:41,522 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-04-26 18:40:41,524 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-04-26 18:40:41,524 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-04-26 18:40:41,524 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-04-26 18:40:41,528 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "parallel-sum-1-dsl.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.04 06:40:41" (1/1) ... [2025-04-26 18:40:41,528 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "parallel-sum-1-dsl.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.04 06:40:41" (1/1) ... [2025-04-26 18:40:41,530 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "parallel-sum-1-dsl.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.04 06:40:41" (1/1) ... [2025-04-26 18:40:41,531 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "parallel-sum-1-dsl.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.04 06:40:41" (1/1) ... [2025-04-26 18:40:41,533 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "parallel-sum-1-dsl.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.04 06:40:41" (1/1) ... [2025-04-26 18:40:41,533 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "parallel-sum-1-dsl.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.04 06:40:41" (1/1) ... [2025-04-26 18:40:41,535 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "parallel-sum-1-dsl.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.04 06:40:41" (1/1) ... [2025-04-26 18:40:41,539 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "parallel-sum-1-dsl.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.04 06:40:41" (1/1) ... [2025-04-26 18:40:41,540 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "parallel-sum-1-dsl.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.04 06:40:41" (1/1) ... [2025-04-26 18:40:41,553 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-04-26 18:40:41,554 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-04-26 18:40:41,554 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-04-26 18:40:41,554 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-04-26 18:40:41,557 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "parallel-sum-1-dsl.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.04 06:40:41" (1/1) ... [2025-04-26 18:40:41,561 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -smt2 -in -t:4000 [2025-04-26 18:40:41,572 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 18:40:41,587 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-04-26 18:40:41,589 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-04-26 18:40:41,610 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2025-04-26 18:40:41,610 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2025-04-26 18:40:41,610 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2025-04-26 18:40:41,610 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2025-04-26 18:40:41,610 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2025-04-26 18:40:41,610 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2025-04-26 18:40:41,610 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2025-04-26 18:40:41,610 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-04-26 18:40:41,610 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-04-26 18:40:41,610 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2025-04-26 18:40:41,610 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2025-04-26 18:40:41,610 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2025-04-26 18:40:41,610 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2025-04-26 18:40:41,610 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2025-04-26 18:40:41,610 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2025-04-26 18:40:41,610 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread5 given in one single declaration [2025-04-26 18:40:41,611 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2025-04-26 18:40:41,611 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2025-04-26 18:40:41,611 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread6 given in one single declaration [2025-04-26 18:40:41,611 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2025-04-26 18:40:41,611 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2025-04-26 18:40:41,611 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-04-26 18:40:41,653 INFO L234 CfgBuilder]: Building ICFG [2025-04-26 18:40:41,655 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-04-26 18:40:41,759 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-04-26 18:40:41,759 INFO L283 CfgBuilder]: Performing block encoding [2025-04-26 18:40:41,786 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-04-26 18:40:41,786 INFO L312 CfgBuilder]: Removed 4 assume(true) statements. [2025-04-26 18:40:41,787 INFO L201 PluginConnector]: Adding new model parallel-sum-1-dsl.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.04 06:40:41 BoogieIcfgContainer [2025-04-26 18:40:41,787 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-04-26 18:40:41,788 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2025-04-26 18:40:41,788 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2025-04-26 18:40:41,793 INFO L274 PluginConnector]: BuchiAutomizer initialized [2025-04-26 18:40:41,793 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-04-26 18:40:41,793 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "parallel-sum-1-dsl.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.04 06:40:41" (1/2) ... [2025-04-26 18:40:41,794 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@69155efe and model type parallel-sum-1-dsl.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.04 06:40:41, skipping insertion in model container [2025-04-26 18:40:41,794 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-04-26 18:40:41,795 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "parallel-sum-1-dsl.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.04 06:40:41" (2/2) ... [2025-04-26 18:40:41,796 INFO L376 chiAutomizerObserver]: Analyzing ICFG parallel-sum-1-dsl.wvr.bpl [2025-04-26 18:40:41,873 INFO L143 ThreadInstanceAdder]: Constructed 18 joinOtherThreadTransitions. [2025-04-26 18:40:41,911 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-04-26 18:40:41,911 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2025-04-26 18:40:41,911 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 18:40:41,913 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2025-04-26 18:40:41,914 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2025-04-26 18:40:41,974 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 63 places, 58 transitions, 182 flow [2025-04-26 18:40:41,994 INFO L116 PetriNetUnfolderBase]: 8/40 cut-off events. [2025-04-26 18:40:41,996 INFO L117 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2025-04-26 18:40:42,000 INFO L83 FinitePrefix]: Finished finitePrefix Result has 69 conditions, 40 events. 8/40 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 70 event pairs, 0 based on Foata normal form. 0/31 useless extension candidates. Maximal degree in co-relation 51. Up to 3 conditions per place. [2025-04-26 18:40:42,001 INFO L82 GeneralOperation]: Start removeDead. Operand has 63 places, 58 transitions, 182 flow [2025-04-26 18:40:42,003 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 51 places, 40 transitions, 128 flow [2025-04-26 18:40:42,005 INFO L84 lAbstractionProvider]: Constructed initial Petri net abstraction that has has 51 places, 40 transitions, 128 flow [2025-04-26 18:40:42,005 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 51 places, 40 transitions, 128 flow [2025-04-26 18:40:42,078 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 846 states, 844 states have (on average 3.990521327014218) internal successors, (in total 3368), 845 states have internal predecessors, (3368), 0 states have call successors, (0), 0 states have call predecessors, (in total 0), 0 states have return successors, (0), 0 states have call predecessors, ( in total0), 0 states have call successors, (0) [2025-04-26 18:40:42,081 INFO L171 actionProvider$Eager]: Constructed initial Büchi automaton abstraction (from Petri net) that has 846 states, 844 states have (on average 3.990521327014218) internal successors, (in total 3368), 845 states have internal predecessors, (3368), 0 states have call successors, (0), 0 states have call predecessors, (in total 0), 0 states have return successors, (0), 0 states have call predecessors, ( in total0), 0 states have call successors, (0) [2025-04-26 18:40:42,084 INFO L135 AmpleReduction]: Starting ample reduction [2025-04-26 18:40:42,349 WARN L140 AmpleReduction]: Number of pruned transitions: 753 [2025-04-26 18:40:42,350 WARN L141 AmpleReduction]: Loop nodes with "changing loop node status": 0 [2025-04-26 18:40:42,351 WARN L142 AmpleReduction]: Number of trivial sets caused by loops: 45 [2025-04-26 18:40:42,351 WARN L143 AmpleReduction]: Number of not loop caused trivial ample sets:66 [2025-04-26 18:40:42,351 WARN L144 AmpleReduction]: Number of initially assigned non-trivial ample sets:313 [2025-04-26 18:40:42,351 WARN L145 AmpleReduction]: Times succ was already a loop node:167 [2025-04-26 18:40:42,351 WARN L146 AmpleReduction]: Times some other node on the cycle already had a trivial ample set:7 [2025-04-26 18:40:42,351 INFO L149 AmpleReduction]: Finished ample reduction [2025-04-26 18:40:42,352 INFO L136 dAbstractionProvider]: Constructed initial ample set-reduced NBA abstraction that has 425 states, 423 states have (on average 2.033096926713948) internal successors, (in total 860), 424 states have internal predecessors, (860), 0 states have call successors, (0), 0 states have call predecessors, (in total 0), 0 states have return successors, (0), 0 states have call predecessors, ( in total0), 0 states have call successors, (0) [2025-04-26 18:40:42,359 INFO L306 stractBuchiCegarLoop]: Interprodecural is true [2025-04-26 18:40:42,359 INFO L307 stractBuchiCegarLoop]: Hoare is None [2025-04-26 18:40:42,359 INFO L308 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2025-04-26 18:40:42,359 INFO L309 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2025-04-26 18:40:42,359 INFO L310 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2025-04-26 18:40:42,359 INFO L311 stractBuchiCegarLoop]: Difference is false [2025-04-26 18:40:42,359 INFO L312 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2025-04-26 18:40:42,359 INFO L316 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2025-04-26 18:40:42,361 INFO L73 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 425 states, 423 states have (on average 2.033096926713948) internal successors, (in total 860), 424 states have internal predecessors, (860), 0 states have call successors, (0), 0 states have call predecessors, (in total 0), 0 states have return successors, (0), 0 states have call predecessors, ( in total0), 0 states have call successors, (0) [2025-04-26 18:40:42,385 INFO L131 ngComponentsAnalysis]: Automaton has 57 accepting balls. 181 [2025-04-26 18:40:42,385 INFO L88 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-04-26 18:40:42,385 INFO L120 BuchiIsEmpty]: Starting construction of run [2025-04-26 18:40:42,392 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2025-04-26 18:40:42,392 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2025-04-26 18:40:42,392 INFO L340 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2025-04-26 18:40:42,393 INFO L73 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 425 states, 423 states have (on average 2.033096926713948) internal successors, (in total 860), 424 states have internal predecessors, (860), 0 states have call successors, (0), 0 states have call predecessors, (in total 0), 0 states have return successors, (0), 0 states have call predecessors, ( in total0), 0 states have call successors, (0) [2025-04-26 18:40:42,406 INFO L131 ngComponentsAnalysis]: Automaton has 57 accepting balls. 181 [2025-04-26 18:40:42,407 INFO L88 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-04-26 18:40:42,407 INFO L120 BuchiIsEmpty]: Starting construction of run [2025-04-26 18:40:42,407 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2025-04-26 18:40:42,407 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2025-04-26 18:40:42,412 INFO L752 eck$LassoCheckResult]: Stem: "[134] $Ultimate##0-->$Ultimate##0: Formula: (= v_thread1Thread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_thidvar0]" "[104] $Ultimate##0-->L51: Formula: (and (= v_s_2_7 0) (= v_i_3_12 0)) InVars {} OutVars{i_3=v_i_3_12, s_2=v_s_2_7} AuxVars[] AssignedVars[i_3, s_2]" "[152] L51-->L23: Formula: (and (= 2 v_thread2Thread1of1ForFork2_thidvar1_4) (= 2 v_thread2Thread1of1ForFork2_thidvar0_4)) InVars {} OutVars{thread2Thread1of1ForFork2_thidvar1=v_thread2Thread1of1ForFork2_thidvar1_4, thread2Thread1of1ForFork2_thidvar0=v_thread2Thread1of1ForFork2_thidvar0_4} AuxVars[] AssignedVars[thread2Thread1of1ForFork2_thidvar1, thread2Thread1of1ForFork2_thidvar0]" [2025-04-26 18:40:42,412 INFO L754 eck$LassoCheckResult]: Loop: "[111] L23-->L24: Formula: (and (< v_i_3_19 v_n_1_9) (= (+ v_i_3_19 1) v_i_3_18) (= (select v_X_0_7 v_i_3_18) v_t_4_5)) InVars {X_0=v_X_0_7, i_3=v_i_3_19, n_1=v_n_1_9} OutVars{X_0=v_X_0_7, n_1=v_n_1_9, i_3=v_i_3_18, t_4=v_t_4_5} AuxVars[] AssignedVars[i_3, t_4]" "[113] L24-->L23: Formula: (= v_s_2_2 (+ v_s_2_3 v_t_4_2)) InVars {s_2=v_s_2_3, t_4=v_t_4_2} OutVars{s_2=v_s_2_2, t_4=v_t_4_2} AuxVars[] AssignedVars[s_2]" [2025-04-26 18:40:42,417 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-26 18:40:42,417 INFO L85 PathProgramCache]: Analyzing trace with hash 161941, now seen corresponding path program 1 times [2025-04-26 18:40:42,422 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-26 18:40:42,423 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [994473896] [2025-04-26 18:40:42,423 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-26 18:40:42,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-26 18:40:42,461 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-04-26 18:40:42,466 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-04-26 18:40:42,467 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 18:40:42,467 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 18:40:42,467 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-04-26 18:40:42,469 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-04-26 18:40:42,470 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-04-26 18:40:42,470 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 18:40:42,470 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 18:40:42,484 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-04-26 18:40:42,487 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-26 18:40:42,487 INFO L85 PathProgramCache]: Analyzing trace with hash 4515, now seen corresponding path program 1 times [2025-04-26 18:40:42,487 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-26 18:40:42,487 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [245650808] [2025-04-26 18:40:42,487 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-26 18:40:42,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-26 18:40:42,491 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-04-26 18:40:42,496 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-04-26 18:40:42,496 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 18:40:42,496 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 18:40:42,496 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-04-26 18:40:42,498 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-04-26 18:40:42,503 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-04-26 18:40:42,503 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 18:40:42,503 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 18:40:42,505 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-04-26 18:40:42,506 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-26 18:40:42,506 INFO L85 PathProgramCache]: Analyzing trace with hash 155628855, now seen corresponding path program 1 times [2025-04-26 18:40:42,506 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-26 18:40:42,506 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1322760978] [2025-04-26 18:40:42,506 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-26 18:40:42,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-26 18:40:42,510 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-04-26 18:40:42,512 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-04-26 18:40:42,512 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 18:40:42,512 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 18:40:42,512 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-04-26 18:40:42,513 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-04-26 18:40:42,517 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-04-26 18:40:42,518 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 18:40:42,518 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 18:40:42,519 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-04-26 18:40:42,623 INFO L206 LassoAnalysis]: Preferences: [2025-04-26 18:40:42,623 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-04-26 18:40:42,623 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-04-26 18:40:42,624 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-04-26 18:40:42,624 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2025-04-26 18:40:42,624 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 18:40:42,624 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-04-26 18:40:42,624 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-04-26 18:40:42,624 INFO L132 ssoRankerPreferences]: Filename of dumped script: parallel-sum-1-dsl.wvr.bpl_petrified1_Iteration1_Lasso [2025-04-26 18:40:42,624 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-04-26 18:40:42,624 INFO L243 LassoAnalysis]: Starting lasso preprocessing... [2025-04-26 18:40:42,657 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 18:40:42,678 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 18:40:42,686 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 18:40:42,690 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 18:40:42,765 INFO L261 LassoAnalysis]: Preprocessing complete. [2025-04-26 18:40:42,767 INFO L453 LassoAnalysis]: Using template 'affine'. [2025-04-26 18:40:42,768 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 18:40:42,768 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 18:40:42,770 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-04-26 18:40:42,772 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2025-04-26 18:40:42,773 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-04-26 18:40:42,788 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-04-26 18:40:42,788 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-04-26 18:40:42,788 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-04-26 18:40:42,789 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-04-26 18:40:42,795 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-04-26 18:40:42,795 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-04-26 18:40:42,800 INFO L490 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-04-26 18:40:42,807 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 18:40:42,808 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 18:40:42,808 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 18:40:42,811 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-04-26 18:40:42,813 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2025-04-26 18:40:42,814 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-04-26 18:40:42,824 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-04-26 18:40:42,825 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-04-26 18:40:42,825 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-04-26 18:40:42,825 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-04-26 18:40:42,828 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-04-26 18:40:42,828 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-04-26 18:40:42,832 INFO L490 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-04-26 18:40:42,838 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 18:40:42,839 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 18:40:42,839 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 18:40:42,842 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-04-26 18:40:42,843 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2025-04-26 18:40:42,845 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-04-26 18:40:42,855 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-04-26 18:40:42,855 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-04-26 18:40:42,855 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-04-26 18:40:42,855 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-04-26 18:40:42,858 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-04-26 18:40:42,858 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-04-26 18:40:42,862 INFO L490 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-04-26 18:40:42,867 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2025-04-26 18:40:42,867 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 18:40:42,868 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 18:40:42,869 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-04-26 18:40:42,871 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2025-04-26 18:40:42,872 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-04-26 18:40:42,883 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-04-26 18:40:42,883 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-04-26 18:40:42,883 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-04-26 18:40:42,883 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-04-26 18:40:42,889 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-04-26 18:40:42,889 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-04-26 18:40:42,894 INFO L490 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-04-26 18:40:42,900 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2025-04-26 18:40:42,900 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 18:40:42,900 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 18:40:42,902 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-04-26 18:40:42,903 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2025-04-26 18:40:42,905 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-04-26 18:40:42,916 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-04-26 18:40:42,916 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-04-26 18:40:42,916 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-04-26 18:40:42,916 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-04-26 18:40:42,922 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-04-26 18:40:42,922 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-04-26 18:40:42,927 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2025-04-26 18:40:42,935 INFO L436 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2025-04-26 18:40:42,935 INFO L437 ModelExtractionUtils]: 4 out of 10 variables were initially zero. Simplification set additionally 3 variables to zero. [2025-04-26 18:40:42,937 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 18:40:42,937 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 18:40:42,939 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-04-26 18:40:42,940 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2025-04-26 18:40:42,941 INFO L436 nArgumentSynthesizer]: Simplifying supporting invariants... [2025-04-26 18:40:42,958 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2025-04-26 18:40:42,959 INFO L439 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2025-04-26 18:40:42,959 INFO L476 LassoAnalysis]: Proved termination. [2025-04-26 18:40:42,959 INFO L478 LassoAnalysis]: Termination argument consisting of: Ranking function f(i_3, n_1) = -1*i_3 + 1*n_1 Supporting invariants [] [2025-04-26 18:40:42,965 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2025-04-26 18:40:42,967 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2025-04-26 18:40:42,986 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-26 18:40:42,995 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-04-26 18:40:42,996 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-04-26 18:40:42,996 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 18:40:42,996 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-26 18:40:42,997 INFO L256 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-04-26 18:40:42,998 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-26 18:40:43,007 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-04-26 18:40:43,009 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-04-26 18:40:43,009 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 18:40:43,009 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-26 18:40:43,010 INFO L256 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-04-26 18:40:43,010 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-26 18:40:43,032 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-26 18:40:43,051 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2025-04-26 18:40:43,053 INFO L70 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 425 states, 423 states have (on average 2.033096926713948) internal successors, (in total 860), 424 states have internal predecessors, (860), 0 states have call successors, (0), 0 states have call predecessors, (in total 0), 0 states have return successors, (0), 0 states have call predecessors, ( in total0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (in total 5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (in total 0), 0 states have return successors, (0), 0 states have call predecessors, ( in total0), 0 states have call successors, (0) [2025-04-26 18:40:43,154 INFO L74 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 425 states, 423 states have (on average 2.033096926713948) internal successors, (in total 860), 424 states have internal predecessors, (860), 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 1097 states and 2527 transitions. Complement of second has 5 states. [2025-04-26 18:40:43,155 INFO L140 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2025-04-26 18:40:43,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (in total 5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (in total 0), 0 states have return successors, (0), 0 states have call predecessors, ( in total0), 0 states have call successors, (0) [2025-04-26 18:40:43,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 63 transitions. [2025-04-26 18:40:43,164 INFO L85 BuchiAccepts]: Start buchiAccepts Operand 4 states and 63 transitions. Stem has 3 letters. Loop has 2 letters. [2025-04-26 18:40:43,164 INFO L117 BuchiAccepts]: Finished buchiAccepts. [2025-04-26 18:40:43,164 INFO L85 BuchiAccepts]: Start buchiAccepts Operand 4 states and 63 transitions. Stem has 5 letters. Loop has 2 letters. [2025-04-26 18:40:43,164 INFO L117 BuchiAccepts]: Finished buchiAccepts. [2025-04-26 18:40:43,164 INFO L85 BuchiAccepts]: Start buchiAccepts Operand 4 states and 63 transitions. Stem has 3 letters. Loop has 4 letters. [2025-04-26 18:40:43,164 INFO L117 BuchiAccepts]: Finished buchiAccepts. [2025-04-26 18:40:43,165 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1097 states and 2527 transitions. [2025-04-26 18:40:43,177 INFO L131 ngComponentsAnalysis]: Automaton has 47 accepting balls. 108 [2025-04-26 18:40:43,189 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1097 states to 812 states and 1952 transitions. [2025-04-26 18:40:43,190 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 333 [2025-04-26 18:40:43,193 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 500 [2025-04-26 18:40:43,194 INFO L74 IsDeterministic]: Start isDeterministic. Operand 812 states and 1952 transitions. [2025-04-26 18:40:43,194 INFO L81 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2025-04-26 18:40:43,194 INFO L218 hiAutomatonCegarLoop]: Abstraction has 812 states and 1952 transitions. [2025-04-26 18:40:43,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 812 states and 1952 transitions. [2025-04-26 18:40:43,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 812 to 650. [2025-04-26 18:40:43,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 650 states, 650 states have (on average 2.4476923076923076) internal successors, (in total 1591), 649 states have internal predecessors, (1591), 0 states have call successors, (0), 0 states have call predecessors, (in total 0), 0 states have return successors, (0), 0 states have call predecessors, ( in total0), 0 states have call successors, (0) [2025-04-26 18:40:43,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 650 states to 650 states and 1591 transitions. [2025-04-26 18:40:43,243 INFO L240 hiAutomatonCegarLoop]: Abstraction has 650 states and 1591 transitions. [2025-04-26 18:40:43,243 INFO L438 stractBuchiCegarLoop]: Abstraction has 650 states and 1591 transitions. [2025-04-26 18:40:43,243 INFO L340 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2025-04-26 18:40:43,243 INFO L73 BuchiIsEmpty]: Start buchiIsEmpty. Operand 650 states and 1591 transitions. [2025-04-26 18:40:43,246 INFO L131 ngComponentsAnalysis]: Automaton has 47 accepting balls. 108 [2025-04-26 18:40:43,246 INFO L88 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-04-26 18:40:43,246 INFO L120 BuchiIsEmpty]: Starting construction of run [2025-04-26 18:40:43,247 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2025-04-26 18:40:43,247 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2025-04-26 18:40:43,247 INFO L752 eck$LassoCheckResult]: Stem: "[134] $Ultimate##0-->$Ultimate##0: Formula: (= v_thread1Thread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_thidvar0]" "[104] $Ultimate##0-->L51: Formula: (and (= v_s_2_7 0) (= v_i_3_12 0)) InVars {} OutVars{i_3=v_i_3_12, s_2=v_s_2_7} AuxVars[] AssignedVars[i_3, s_2]" "[152] L51-->L23: Formula: (and (= 2 v_thread2Thread1of1ForFork2_thidvar1_4) (= 2 v_thread2Thread1of1ForFork2_thidvar0_4)) InVars {} OutVars{thread2Thread1of1ForFork2_thidvar1=v_thread2Thread1of1ForFork2_thidvar1_4, thread2Thread1of1ForFork2_thidvar0=v_thread2Thread1of1ForFork2_thidvar0_4} AuxVars[] AssignedVars[thread2Thread1of1ForFork2_thidvar1, thread2Thread1of1ForFork2_thidvar0]" "[111] L23-->L24: Formula: (and (< v_i_3_19 v_n_1_9) (= (+ v_i_3_19 1) v_i_3_18) (= (select v_X_0_7 v_i_3_18) v_t_4_5)) InVars {X_0=v_X_0_7, i_3=v_i_3_19, n_1=v_n_1_9} OutVars{X_0=v_X_0_7, n_1=v_n_1_9, i_3=v_i_3_18, t_4=v_t_4_5} AuxVars[] AssignedVars[i_3, t_4]" "[137] L105-->$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]" "[118] $Ultimate##0-->L92: Formula: (and (= v_i_7_12 0) (= v_s_6_7 0)) InVars {} OutVars{i_7=v_i_7_12, s_6=v_s_6_7} AuxVars[] AssignedVars[i_7, s_6]" "[158] L92-->L64: Formula: (and (= v_thread5Thread1of1ForFork4_thidvar3_4 5) (= v_thread5Thread1of1ForFork4_thidvar4_4 5) (= v_thread5Thread1of1ForFork4_thidvar1_4 5) (= v_thread5Thread1of1ForFork4_thidvar0_4 5) (= v_thread5Thread1of1ForFork4_thidvar2_4 5)) InVars {} OutVars{thread5Thread1of1ForFork4_thidvar0=v_thread5Thread1of1ForFork4_thidvar0_4, thread5Thread1of1ForFork4_thidvar1=v_thread5Thread1of1ForFork4_thidvar1_4, thread5Thread1of1ForFork4_thidvar2=v_thread5Thread1of1ForFork4_thidvar2_4, thread5Thread1of1ForFork4_thidvar3=v_thread5Thread1of1ForFork4_thidvar3_4, thread5Thread1of1ForFork4_thidvar4=v_thread5Thread1of1ForFork4_thidvar4_4} AuxVars[] AssignedVars[thread5Thread1of1ForFork4_thidvar0, thread5Thread1of1ForFork4_thidvar1, thread5Thread1of1ForFork4_thidvar2, thread5Thread1of1ForFork4_thidvar3, thread5Thread1of1ForFork4_thidvar4]" [2025-04-26 18:40:43,248 INFO L754 eck$LassoCheckResult]: Loop: "[125] L64-->L65: Formula: (and (= v_t_8_5 (select v_X_0_15 v_i_7_18)) (< v_i_7_19 v_n_1_13) (= (+ v_i_7_19 1) v_i_7_18)) InVars {X_0=v_X_0_15, i_7=v_i_7_19, n_1=v_n_1_13} OutVars{X_0=v_X_0_15, i_7=v_i_7_18, t_8=v_t_8_5, n_1=v_n_1_13} AuxVars[] AssignedVars[i_7, t_8]" "[127] L65-->L64: Formula: (= v_s_6_3 (+ v_s_6_4 v_t_8_2)) InVars {s_6=v_s_6_4, t_8=v_t_8_2} OutVars{s_6=v_s_6_3, t_8=v_t_8_2} AuxVars[] AssignedVars[s_6]" [2025-04-26 18:40:43,248 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-26 18:40:43,248 INFO L85 PathProgramCache]: Analyzing trace with hash -764498825, now seen corresponding path program 1 times [2025-04-26 18:40:43,248 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-26 18:40:43,248 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [264009172] [2025-04-26 18:40:43,248 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-26 18:40:43,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-26 18:40:43,254 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-04-26 18:40:43,258 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-04-26 18:40:43,259 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 18:40:43,259 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 18:40:43,259 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-04-26 18:40:43,260 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-04-26 18:40:43,263 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-04-26 18:40:43,263 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 18:40:43,263 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 18:40:43,265 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-04-26 18:40:43,265 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-26 18:40:43,265 INFO L85 PathProgramCache]: Analyzing trace with hash 4963, now seen corresponding path program 1 times [2025-04-26 18:40:43,265 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-26 18:40:43,266 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [887405680] [2025-04-26 18:40:43,266 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-26 18:40:43,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-26 18:40:43,268 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-04-26 18:40:43,271 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-04-26 18:40:43,271 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 18:40:43,271 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 18:40:43,271 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-04-26 18:40:43,272 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-04-26 18:40:43,273 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-04-26 18:40:43,273 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 18:40:43,273 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 18:40:43,278 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-04-26 18:40:43,278 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-26 18:40:43,278 INFO L85 PathProgramCache]: Analyzing trace with hash -243959207, now seen corresponding path program 1 times [2025-04-26 18:40:43,278 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-26 18:40:43,278 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1771211150] [2025-04-26 18:40:43,278 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-26 18:40:43,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-26 18:40:43,283 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 9 statements into 1 equivalence classes. [2025-04-26 18:40:43,290 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 9 of 9 statements. [2025-04-26 18:40:43,290 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 18:40:43,290 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 18:40:43,290 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-04-26 18:40:43,292 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 9 statements into 1 equivalence classes. [2025-04-26 18:40:43,295 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 9 of 9 statements. [2025-04-26 18:40:43,295 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 18:40:43,296 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 18:40:43,297 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-04-26 18:40:43,455 INFO L206 LassoAnalysis]: Preferences: [2025-04-26 18:40:43,455 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-04-26 18:40:43,455 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-04-26 18:40:43,455 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-04-26 18:40:43,455 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2025-04-26 18:40:43,455 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 18:40:43,455 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-04-26 18:40:43,455 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-04-26 18:40:43,455 INFO L132 ssoRankerPreferences]: Filename of dumped script: parallel-sum-1-dsl.wvr.bpl_petrified1_Iteration2_Lasso [2025-04-26 18:40:43,455 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-04-26 18:40:43,455 INFO L243 LassoAnalysis]: Starting lasso preprocessing... [2025-04-26 18:40:43,457 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 18:40:43,461 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 18:40:43,463 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 18:40:43,466 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 18:40:43,469 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 18:40:43,471 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 18:40:43,474 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 18:40:43,476 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 18:40:43,494 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 18:40:43,496 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 18:40:43,498 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 18:40:43,501 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 18:40:43,503 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 18:40:43,505 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 18:40:43,507 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 18:40:43,649 INFO L261 LassoAnalysis]: Preprocessing complete. [2025-04-26 18:40:43,649 INFO L453 LassoAnalysis]: Using template 'affine'. [2025-04-26 18:40:43,649 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 18:40:43,649 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 18:40:43,652 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-04-26 18:40:43,660 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2025-04-26 18:40:43,661 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-04-26 18:40:43,672 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-04-26 18:40:43,672 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-04-26 18:40:43,672 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-04-26 18:40:43,672 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-04-26 18:40:43,675 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-04-26 18:40:43,675 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-04-26 18:40:43,678 INFO L490 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-04-26 18:40:43,684 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2025-04-26 18:40:43,684 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 18:40:43,684 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 18:40:43,686 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-04-26 18:40:43,688 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2025-04-26 18:40:43,690 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-04-26 18:40:43,701 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-04-26 18:40:43,701 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-04-26 18:40:43,701 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-04-26 18:40:43,701 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-04-26 18:40:43,703 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-04-26 18:40:43,703 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-04-26 18:40:43,705 INFO L490 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-04-26 18:40:43,711 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2025-04-26 18:40:43,711 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 18:40:43,711 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 18:40:43,713 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-04-26 18:40:43,714 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2025-04-26 18:40:43,716 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-04-26 18:40:43,726 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-04-26 18:40:43,727 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-04-26 18:40:43,727 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-04-26 18:40:43,727 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-04-26 18:40:43,728 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-04-26 18:40:43,728 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-04-26 18:40:43,732 INFO L490 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-04-26 18:40:43,737 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2025-04-26 18:40:43,737 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 18:40:43,738 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 18:40:43,739 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-04-26 18:40:43,740 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2025-04-26 18:40:43,741 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-04-26 18:40:43,750 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-04-26 18:40:43,751 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-04-26 18:40:43,751 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-04-26 18:40:43,751 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-04-26 18:40:43,752 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-04-26 18:40:43,752 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-04-26 18:40:43,755 INFO L490 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-04-26 18:40:43,761 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2025-04-26 18:40:43,761 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 18:40:43,761 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 18:40:43,762 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-04-26 18:40:43,764 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2025-04-26 18:40:43,765 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-04-26 18:40:43,775 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-04-26 18:40:43,775 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-04-26 18:40:43,775 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-04-26 18:40:43,775 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-04-26 18:40:43,777 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-04-26 18:40:43,777 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-04-26 18:40:43,779 INFO L490 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-04-26 18:40:43,785 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 18:40:43,785 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 18:40:43,785 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 18:40:43,787 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-04-26 18:40:43,787 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2025-04-26 18:40:43,790 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-04-26 18:40:43,800 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-04-26 18:40:43,800 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-04-26 18:40:43,800 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-04-26 18:40:43,800 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-04-26 18:40:43,804 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-04-26 18:40:43,804 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-04-26 18:40:43,809 INFO L490 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-04-26 18:40:43,816 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 18:40:43,817 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 18:40:43,817 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 18:40:43,818 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-04-26 18:40:43,822 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2025-04-26 18:40:43,824 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-04-26 18:40:43,834 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-04-26 18:40:43,834 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-04-26 18:40:43,834 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-04-26 18:40:43,834 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-04-26 18:40:43,835 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-04-26 18:40:43,835 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-04-26 18:40:43,838 INFO L490 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-04-26 18:40:43,843 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2025-04-26 18:40:43,843 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 18:40:43,844 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 18:40:43,845 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-04-26 18:40:43,846 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2025-04-26 18:40:43,848 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-04-26 18:40:43,857 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-04-26 18:40:43,858 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-04-26 18:40:43,858 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-04-26 18:40:43,858 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-04-26 18:40:43,860 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-04-26 18:40:43,860 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-04-26 18:40:43,863 INFO L490 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-04-26 18:40:43,869 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2025-04-26 18:40:43,869 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 18:40:43,869 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 18:40:43,871 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-04-26 18:40:43,872 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2025-04-26 18:40:43,873 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-04-26 18:40:43,883 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-04-26 18:40:43,883 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-04-26 18:40:43,883 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-04-26 18:40:43,883 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-04-26 18:40:43,886 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-04-26 18:40:43,886 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-04-26 18:40:43,891 INFO L490 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-04-26 18:40:43,896 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Ended with exit code 0 [2025-04-26 18:40:43,897 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 18:40:43,897 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 18:40:43,899 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-04-26 18:40:43,899 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2025-04-26 18:40:43,901 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-04-26 18:40:43,911 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-04-26 18:40:43,911 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-04-26 18:40:43,911 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-04-26 18:40:43,912 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-04-26 18:40:43,913 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-04-26 18:40:43,913 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-04-26 18:40:43,918 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2025-04-26 18:40:43,925 INFO L436 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2025-04-26 18:40:43,925 INFO L437 ModelExtractionUtils]: 2 out of 10 variables were initially zero. Simplification set additionally 5 variables to zero. [2025-04-26 18:40:43,925 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 18:40:43,925 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 18:40:43,928 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-04-26 18:40:43,929 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2025-04-26 18:40:43,930 INFO L436 nArgumentSynthesizer]: Simplifying supporting invariants... [2025-04-26 18:40:43,946 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2025-04-26 18:40:43,946 INFO L439 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2025-04-26 18:40:43,946 INFO L476 LassoAnalysis]: Proved termination. [2025-04-26 18:40:43,946 INFO L478 LassoAnalysis]: Termination argument consisting of: Ranking function f(i_7, n_1) = -1*i_7 + 1*n_1 Supporting invariants [] [2025-04-26 18:40:43,951 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Ended with exit code 0 [2025-04-26 18:40:43,952 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2025-04-26 18:40:43,965 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-26 18:40:43,971 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-04-26 18:40:43,978 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-04-26 18:40:43,978 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 18:40:43,978 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-26 18:40:43,978 INFO L256 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-04-26 18:40:43,979 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-26 18:40:43,996 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-04-26 18:40:43,999 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-04-26 18:40:43,999 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 18:40:43,999 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-26 18:40:44,002 INFO L256 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-04-26 18:40:44,002 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-26 18:40:44,016 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 18:40:44,017 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2025-04-26 18:40:44,017 INFO L70 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 650 states and 1591 transitions. cyclomatic complexity: 1032 Second operand has 3 states, 3 states have (on average 3.0) internal successors, (in total 9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (in total 0), 0 states have return successors, (0), 0 states have call predecessors, ( in total0), 0 states have call successors, (0) [2025-04-26 18:40:44,086 INFO L74 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 650 states and 1591 transitions. cyclomatic complexity: 1032. Second operand has 3 states, 3 states have (on average 3.0) internal successors, (in total 9), 3 states have internal predecessors, (9), 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 1650 states and 4356 transitions. Complement of second has 4 states. [2025-04-26 18:40:44,086 INFO L140 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2025-04-26 18:40:44,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.0) internal successors, (in total 9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (in total 0), 0 states have return successors, (0), 0 states have call predecessors, ( in total0), 0 states have call successors, (0) [2025-04-26 18:40:44,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 69 transitions. [2025-04-26 18:40:44,087 INFO L85 BuchiAccepts]: Start buchiAccepts Operand 3 states and 69 transitions. Stem has 7 letters. Loop has 2 letters. [2025-04-26 18:40:44,087 INFO L117 BuchiAccepts]: Finished buchiAccepts. [2025-04-26 18:40:44,087 INFO L85 BuchiAccepts]: Start buchiAccepts Operand 3 states and 69 transitions. Stem has 9 letters. Loop has 2 letters. [2025-04-26 18:40:44,087 INFO L117 BuchiAccepts]: Finished buchiAccepts. [2025-04-26 18:40:44,087 INFO L85 BuchiAccepts]: Start buchiAccepts Operand 3 states and 69 transitions. Stem has 7 letters. Loop has 4 letters. [2025-04-26 18:40:44,087 INFO L117 BuchiAccepts]: Finished buchiAccepts. [2025-04-26 18:40:44,088 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1650 states and 4356 transitions. [2025-04-26 18:40:44,101 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2025-04-26 18:40:44,101 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1650 states to 0 states and 0 transitions. [2025-04-26 18:40:44,101 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2025-04-26 18:40:44,101 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2025-04-26 18:40:44,101 INFO L74 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2025-04-26 18:40:44,101 INFO L81 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2025-04-26 18:40:44,101 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-04-26 18:40:44,101 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-04-26 18:40:44,101 INFO L438 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-04-26 18:40:44,101 INFO L340 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2025-04-26 18:40:44,101 INFO L73 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2025-04-26 18:40:44,101 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2025-04-26 18:40:44,102 INFO L88 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2025-04-26 18:40:44,111 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2025-04-26 18:40:44,112 INFO L201 PluginConnector]: Adding new model parallel-sum-1-dsl.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 26.04 06:40:44 BoogieIcfgContainer [2025-04-26 18:40:44,112 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2025-04-26 18:40:44,113 INFO L158 Benchmark]: Toolchain (without parser) took 2620.91ms. Allocated memory was 159.4MB in the beginning and 155.2MB in the end (delta: -4.2MB). Free memory was 85.9MB in the beginning and 72.4MB in the end (delta: 13.5MB). Peak memory consumption was 12.5MB. Max. memory is 8.0GB. [2025-04-26 18:40:44,113 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.85ms. Allocated memory is still 159.4MB. Free memory was 87.1MB in the beginning and 86.9MB in the end (delta: 199.3kB). There was no memory consumed. Max. memory is 8.0GB. [2025-04-26 18:40:44,113 INFO L158 Benchmark]: Boogie Procedure Inliner took 29.78ms. Allocated memory is still 159.4MB. Free memory was 85.9MB in the beginning and 84.0MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 8.0GB. [2025-04-26 18:40:44,113 INFO L158 Benchmark]: Boogie Preprocessor took 29.54ms. Allocated memory is still 159.4MB. Free memory was 84.0MB in the beginning and 82.9MB in the end (delta: 1.1MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2025-04-26 18:40:44,114 INFO L158 Benchmark]: RCFGBuilder took 233.39ms. Allocated memory is still 159.4MB. Free memory was 82.9MB in the beginning and 71.9MB in the end (delta: 11.0MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. [2025-04-26 18:40:44,114 INFO L158 Benchmark]: BuchiAutomizer took 2324.58ms. Allocated memory was 159.4MB in the beginning and 155.2MB in the end (delta: -4.2MB). Free memory was 71.9MB in the beginning and 72.4MB in the end (delta: -490.2kB). There was no memory consumed. Max. memory is 8.0GB. [2025-04-26 18:40:44,115 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 0.85ms. Allocated memory is still 159.4MB. Free memory was 87.1MB in the beginning and 86.9MB in the end (delta: 199.3kB). There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 29.78ms. Allocated memory is still 159.4MB. Free memory was 85.9MB in the beginning and 84.0MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 8.0GB. * Boogie Preprocessor took 29.54ms. Allocated memory is still 159.4MB. Free memory was 84.0MB in the beginning and 82.9MB in the end (delta: 1.1MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * RCFGBuilder took 233.39ms. Allocated memory is still 159.4MB. Free memory was 82.9MB in the beginning and 71.9MB in the end (delta: 11.0MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. * BuchiAutomizer took 2324.58ms. Allocated memory was 159.4MB in the beginning and 155.2MB in the end (delta: -4.2MB). Free memory was 71.9MB in the beginning and 72.4MB in the end (delta: -490.2kB). 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 2.1s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 1.2s. 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, 162 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, 80 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 78 mSDsluCounter, 49 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 21 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 92 IncrementalHoareTripleChecker+Invalid, 96 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 28 mSDtfsCounter, 92 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso2 LassoPreprocessingBenchmarks: Lassos: inital57 mio100 ax100 hnf100 lsp60 ukn90 mio100 lsp55 div100 bol100 ite100 ukn100 eq170 hnf92 smp100 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 32ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.4s InitialAbstraction: Time to compute Ample Reduction [ms]: 444, Number of transitions in reduction automaton: 860, Number of states in reduction automaton: 425, Underlying: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (0 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -1 * i_3 + n_1 and consists of 4 locations. One deterministic module has affine ranking function n_1 + -1 * i_7 and consists of 3 locations. - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2025-04-26 18:40:44,126 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...