/root/.sdkman/candidates/java/21.0.5-tem/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/buchiAutomizer/concurrent-automaton-noLbe.epf -tc ../../../trunk/examples/toolchains/BuchiAutomizerBplInline.xml -i /storage/cav23-termute-examples/2_thr/bb2.c.bpl -------------------------------------------------------------------------------- This is Ultimate 0.3.0-wip.dk.ample-buchi-a4216cd-m [2025-04-26 16:24:11,980 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-04-26 16:24:12,034 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/settings/buchiAutomizer/concurrent-automaton-noLbe.epf [2025-04-26 16:24:12,041 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-04-26 16:24:12,041 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-04-26 16:24:12,063 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-04-26 16:24:12,064 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-04-26 16:24:12,064 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-04-26 16:24:12,064 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-04-26 16:24:12,064 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-04-26 16:24:12,064 INFO L153 SettingsManager]: * Use SBE=true [2025-04-26 16:24:12,065 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2025-04-26 16:24:12,065 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2025-04-26 16:24:12,066 INFO L153 SettingsManager]: * Use old map elimination=false [2025-04-26 16:24:12,066 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2025-04-26 16:24:12,066 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2025-04-26 16:24:12,066 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2025-04-26 16:24:12,066 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-04-26 16:24:12,066 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2025-04-26 16:24:12,066 INFO L153 SettingsManager]: * sizeof long=4 [2025-04-26 16:24:12,067 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-04-26 16:24:12,067 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-04-26 16:24:12,067 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-04-26 16:24:12,067 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2025-04-26 16:24:12,067 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2025-04-26 16:24:12,067 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2025-04-26 16:24:12,067 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-04-26 16:24:12,067 INFO L153 SettingsManager]: * sizeof long double=12 [2025-04-26 16:24:12,067 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-04-26 16:24:12,067 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2025-04-26 16:24:12,067 INFO L153 SettingsManager]: * Use constant arrays=true [2025-04-26 16:24:12,067 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-04-26 16:24:12,067 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-04-26 16:24:12,067 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-04-26 16:24:12,067 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-04-26 16:24:12,067 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2025-04-26 16:24:12,067 INFO L153 SettingsManager]: * TransformationType=MODULO_NEIGHBOR [2025-04-26 16:24:12,286 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-04-26 16:24:12,291 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-04-26 16:24:12,292 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-04-26 16:24:12,293 INFO L270 PluginConnector]: Initializing Boogie PL CUP Parser... [2025-04-26 16:24:12,294 INFO L274 PluginConnector]: Boogie PL CUP Parser initialized [2025-04-26 16:24:12,294 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/cav23-termute-examples/2_thr/bb2.c.bpl [2025-04-26 16:24:12,295 INFO L110 BoogieParser]: Parsing: '/storage/cav23-termute-examples/2_thr/bb2.c.bpl' [2025-04-26 16:24:12,308 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-04-26 16:24:12,309 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2025-04-26 16:24:12,310 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-04-26 16:24:12,310 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-04-26 16:24:12,310 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-04-26 16:24:12,317 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "bb2.c.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.04 04:24:12" (1/1) ... [2025-04-26 16:24:12,338 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "bb2.c.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.04 04:24:12" (1/1) ... [2025-04-26 16:24:12,344 INFO L138 Inliner]: procedures = 3, calls = 2, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2025-04-26 16:24:12,345 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-04-26 16:24:12,346 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-04-26 16:24:12,346 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-04-26 16:24:12,346 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-04-26 16:24:12,351 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "bb2.c.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.04 04:24:12" (1/1) ... [2025-04-26 16:24:12,352 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "bb2.c.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.04 04:24:12" (1/1) ... [2025-04-26 16:24:12,352 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "bb2.c.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.04 04:24:12" (1/1) ... [2025-04-26 16:24:12,352 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "bb2.c.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.04 04:24:12" (1/1) ... [2025-04-26 16:24:12,355 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "bb2.c.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.04 04:24:12" (1/1) ... [2025-04-26 16:24:12,359 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "bb2.c.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.04 04:24:12" (1/1) ... [2025-04-26 16:24:12,361 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "bb2.c.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.04 04:24:12" (1/1) ... [2025-04-26 16:24:12,362 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "bb2.c.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.04 04:24:12" (1/1) ... [2025-04-26 16:24:12,362 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "bb2.c.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.04 04:24:12" (1/1) ... [2025-04-26 16:24:12,368 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-04-26 16:24:12,369 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-04-26 16:24:12,369 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-04-26 16:24:12,369 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-04-26 16:24:12,370 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "bb2.c.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.04 04:24:12" (1/1) ... [2025-04-26 16:24:12,374 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:24:12,383 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:24:12,395 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-04-26 16:24:12,399 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2025-04-26 16:24:12,420 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2025-04-26 16:24:12,421 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2025-04-26 16:24:12,421 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2025-04-26 16:24:12,421 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2025-04-26 16:24:12,421 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2025-04-26 16:24:12,421 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2025-04-26 16:24:12,421 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2025-04-26 16:24:12,421 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-04-26 16:24:12,421 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-04-26 16:24:12,422 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-04-26 16:24:12,457 INFO L234 CfgBuilder]: Building ICFG [2025-04-26 16:24:12,459 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-04-26 16:24:12,515 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-04-26 16:24:12,515 INFO L283 CfgBuilder]: Performing block encoding [2025-04-26 16:24:12,521 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-04-26 16:24:12,522 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-04-26 16:24:12,522 INFO L201 PluginConnector]: Adding new model bb2.c.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.04 04:24:12 BoogieIcfgContainer [2025-04-26 16:24:12,522 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-04-26 16:24:12,523 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2025-04-26 16:24:12,523 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2025-04-26 16:24:12,527 INFO L274 PluginConnector]: BuchiAutomizer initialized [2025-04-26 16:24:12,528 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-04-26 16:24:12,528 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "bb2.c.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.04 04:24:12" (1/2) ... [2025-04-26 16:24:12,529 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@79b9a062 and model type bb2.c.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.04 04:24:12, skipping insertion in model container [2025-04-26 16:24:12,529 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-04-26 16:24:12,529 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "bb2.c.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.04 04:24:12" (2/2) ... [2025-04-26 16:24:12,530 INFO L376 chiAutomizerObserver]: Analyzing ICFG bb2.c.bpl [2025-04-26 16:24:12,574 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2025-04-26 16:24:12,610 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 20 places, 17 transitions, 48 flow [2025-04-26 16:24:12,631 INFO L116 PetriNetUnfolderBase]: 2/13 cut-off events. [2025-04-26 16:24:12,632 INFO L117 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2025-04-26 16:24:12,638 INFO L83 FinitePrefix]: Finished finitePrefix Result has 22 conditions, 13 events. 2/13 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 14 event pairs, 0 based on Foata normal form. 0/11 useless extension candidates. Maximal degree in co-relation 11. Up to 2 conditions per place. [2025-04-26 16:24:12,638 INFO L82 GeneralOperation]: Start removeDead. Operand has 20 places, 17 transitions, 48 flow [2025-04-26 16:24:12,642 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 18 places, 13 transitions, 38 flow [2025-04-26 16:24:12,643 INFO L84 lAbstractionProvider]: Constructed initial Petri net abstraction that has has 18 places, 13 transitions, 38 flow [2025-04-26 16:24:12,652 INFO L306 stractBuchiCegarLoop]: Interprodecural is true [2025-04-26 16:24:12,652 INFO L307 stractBuchiCegarLoop]: Hoare is None [2025-04-26 16:24:12,652 INFO L308 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2025-04-26 16:24:12,652 INFO L309 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2025-04-26 16:24:12,652 INFO L310 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2025-04-26 16:24:12,652 INFO L311 stractBuchiCegarLoop]: Difference is false [2025-04-26 16:24:12,652 INFO L312 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2025-04-26 16:24:12,653 INFO L316 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2025-04-26 16:24:12,654 INFO L73 BuchiIsEmpty]: Start buchiIsEmpty. Operand currently 0 states, but on-demand construction may add more states [2025-04-26 16:24:12,678 INFO L131 ngComponentsAnalysis]: Automaton has 7 accepting balls. 16 [2025-04-26 16:24:12,678 INFO L88 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-04-26 16:24:12,678 INFO L120 BuchiIsEmpty]: Starting construction of run [2025-04-26 16:24:12,683 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1] [2025-04-26 16:24:12,683 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2025-04-26 16:24:12,683 INFO L340 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2025-04-26 16:24:12,683 INFO L73 BuchiIsEmpty]: Start buchiIsEmpty. Operand currently 26 states, but on-demand construction may add more states [2025-04-26 16:24:12,685 INFO L131 ngComponentsAnalysis]: Automaton has 7 accepting balls. 16 [2025-04-26 16:24:12,685 INFO L88 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-04-26 16:24:12,685 INFO L120 BuchiIsEmpty]: Starting construction of run [2025-04-26 16:24:12,685 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1] [2025-04-26 16:24:12,686 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2025-04-26 16:24:12,690 INFO L752 eck$LassoCheckResult]: Stem: "[42] $Ultimate##0-->L21: Formula: (= v_thread1Thread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_thidvar0]" [2025-04-26 16:24:12,690 INFO L754 eck$LassoCheckResult]: Loop: "[33] L21-->L23: Formula: (< (+ v_x3_1 v_x1_1) v_z_1) InVars {x1=v_x1_1, x3=v_x3_1, z=v_z_1} OutVars{x1=v_x1_1, x3=v_x3_1, z=v_z_1} AuxVars[] AssignedVars[]" "[35] L23-->L21: Formula: (= v_x1_2 (+ v_x1_3 1)) InVars {x1=v_x1_3} OutVars{x1=v_x1_2} AuxVars[] AssignedVars[x1]" [2025-04-26 16:24:12,694 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-26 16:24:12,694 INFO L85 PathProgramCache]: Analyzing trace with hash 73, now seen corresponding path program 1 times [2025-04-26 16:24:12,699 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-26 16:24:12,700 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1542066974] [2025-04-26 16:24:12,700 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-26 16:24:12,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-26 16:24:12,739 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1 statements into 1 equivalence classes. [2025-04-26 16:24:12,743 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1 of 1 statements. [2025-04-26 16:24:12,743 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 16:24:12,744 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 16:24:12,744 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-04-26 16:24:12,745 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1 statements into 1 equivalence classes. [2025-04-26 16:24:12,746 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1 of 1 statements. [2025-04-26 16:24:12,746 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 16:24:12,746 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 16:24:12,756 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-04-26 16:24:12,758 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-26 16:24:12,758 INFO L85 PathProgramCache]: Analyzing trace with hash 2019, now seen corresponding path program 1 times [2025-04-26 16:24:12,758 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-26 16:24:12,758 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [478280418] [2025-04-26 16:24:12,758 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-26 16:24:12,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-26 16:24:12,761 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-04-26 16:24:12,764 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-04-26 16:24:12,764 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 16:24:12,764 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 16:24:12,764 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-04-26 16:24:12,765 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-04-26 16:24:12,766 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-04-26 16:24:12,766 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 16:24:12,766 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 16:24:12,767 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-04-26 16:24:12,769 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-26 16:24:12,769 INFO L85 PathProgramCache]: Analyzing trace with hash 71211, now seen corresponding path program 1 times [2025-04-26 16:24:12,769 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-26 16:24:12,769 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [106618901] [2025-04-26 16:24:12,769 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-26 16:24:12,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-26 16:24:12,772 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-04-26 16:24:12,774 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-04-26 16:24:12,774 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 16:24:12,774 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 16:24:12,774 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-04-26 16:24:12,775 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-04-26 16:24:12,776 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-04-26 16:24:12,776 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 16:24:12,776 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 16:24:12,777 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-04-26 16:24:12,825 INFO L206 LassoAnalysis]: Preferences: [2025-04-26 16:24:12,826 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-04-26 16:24:12,826 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-04-26 16:24:12,827 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-04-26 16:24:12,827 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2025-04-26 16:24:12,827 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:24:12,827 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-04-26 16:24:12,827 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-04-26 16:24:12,827 INFO L132 ssoRankerPreferences]: Filename of dumped script: bb2.c.bpl_petrified1_Iteration1_Loop [2025-04-26 16:24:12,827 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-04-26 16:24:12,828 INFO L243 LassoAnalysis]: Starting lasso preprocessing... [2025-04-26 16:24:12,839 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 16:24:12,883 INFO L261 LassoAnalysis]: Preprocessing complete. [2025-04-26 16:24:12,886 INFO L367 LassoAnalysis]: Checking for nontermination... [2025-04-26 16:24:12,887 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:24:12,887 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:24:12,891 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-04-26 16:24:12,892 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2025-04-26 16:24:12,893 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-04-26 16:24:12,893 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-04-26 16:24:12,915 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2025-04-26 16:24:12,915 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:24:12,915 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:24:12,917 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-04-26 16:24:12,918 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2025-04-26 16:24:12,921 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2025-04-26 16:24:12,921 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-04-26 16:24:13,067 INFO L407 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2025-04-26 16:24:13,073 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2025-04-26 16:24:13,074 INFO L206 LassoAnalysis]: Preferences: [2025-04-26 16:24:13,074 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-04-26 16:24:13,074 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-04-26 16:24:13,074 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-04-26 16:24:13,074 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2025-04-26 16:24:13,074 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:24:13,074 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-04-26 16:24:13,074 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-04-26 16:24:13,074 INFO L132 ssoRankerPreferences]: Filename of dumped script: bb2.c.bpl_petrified1_Iteration1_Loop [2025-04-26 16:24:13,074 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-04-26 16:24:13,074 INFO L243 LassoAnalysis]: Starting lasso preprocessing... [2025-04-26 16:24:13,075 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 16:24:13,108 INFO L261 LassoAnalysis]: Preprocessing complete. [2025-04-26 16:24:13,111 INFO L453 LassoAnalysis]: Using template 'affine'. [2025-04-26 16:24:13,112 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:24:13,113 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:24:13,115 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-04-26 16:24:13,116 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2025-04-26 16:24:13,118 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-04-26 16:24:13,129 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-04-26 16:24:13,129 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-04-26 16:24:13,130 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-04-26 16:24:13,130 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-04-26 16:24:13,130 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-04-26 16:24:13,135 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-04-26 16:24:13,135 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-04-26 16:24:13,138 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2025-04-26 16:24:13,146 INFO L436 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2025-04-26 16:24:13,146 INFO L437 ModelExtractionUtils]: 0 out of 5 variables were initially zero. Simplification set additionally 1 variables to zero. [2025-04-26 16:24:13,147 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:24:13,147 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:24:13,151 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-04-26 16:24:13,153 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2025-04-26 16:24:13,155 INFO L436 nArgumentSynthesizer]: Simplifying supporting invariants... [2025-04-26 16:24:13,158 ERROR L418 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Exception during sending of exit command (exit): Broken pipe [2025-04-26 16:24:13,159 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2025-04-26 16:24:13,159 INFO L439 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2025-04-26 16:24:13,160 INFO L476 LassoAnalysis]: Proved termination. [2025-04-26 16:24:13,160 INFO L478 LassoAnalysis]: Termination argument consisting of: Ranking function f(x1, z, x3) = -1*x1 + 1*z - 1*x3 Supporting invariants [] [2025-04-26 16:24:13,167 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2025-04-26 16:24:13,170 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2025-04-26 16:24:13,195 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-26 16:24:13,204 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1 statements into 1 equivalence classes. [2025-04-26 16:24:13,205 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1 of 1 statements. [2025-04-26 16:24:13,205 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 16:24:13,205 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-26 16:24:13,206 WARN L254 TraceCheckSpWp]: Trace formula consists of 4 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-04-26 16:24:13,207 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-26 16:24:13,213 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-04-26 16:24:13,214 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-04-26 16:24:13,214 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 16:24:13,214 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-26 16:24:13,214 WARN L254 TraceCheckSpWp]: Trace formula consists of 5 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-04-26 16:24:13,215 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-26 16:24:13,234 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-26 16:24:13,279 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2025-04-26 16:24:13,286 INFO L70 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand currently 26 states, but on-demand construction may add more states Second operand has 3 states, 3 states have (on average 1.0) internal successors, (in total 3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (in total 0), 0 states have return successors, (0), 0 states have call predecessors, ( in total0), 0 states have call successors, (0) [2025-04-26 16:24:13,421 INFO L74 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand currently 26 states, but on-demand construction may add more states. Second operand has 3 states, 3 states have (on average 1.0) internal successors, (in total 3), 2 states have internal predecessors, (3), 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 106 states and 211 transitions. Complement of second has 7 states. [2025-04-26 16:24:13,429 INFO L140 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2025-04-26 16:24:13,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.0) internal successors, (in total 3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (in total 0), 0 states have return successors, (0), 0 states have call predecessors, ( in total0), 0 states have call successors, (0) [2025-04-26 16:24:13,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 44 transitions. [2025-04-26 16:24:13,442 INFO L85 BuchiAccepts]: Start buchiAccepts Operand 5 states and 44 transitions. Stem has 1 letters. Loop has 2 letters. [2025-04-26 16:24:13,442 INFO L117 BuchiAccepts]: Finished buchiAccepts. [2025-04-26 16:24:13,443 INFO L85 BuchiAccepts]: Start buchiAccepts Operand 5 states and 44 transitions. Stem has 3 letters. Loop has 2 letters. [2025-04-26 16:24:13,443 INFO L117 BuchiAccepts]: Finished buchiAccepts. [2025-04-26 16:24:13,443 INFO L85 BuchiAccepts]: Start buchiAccepts Operand 5 states and 44 transitions. Stem has 1 letters. Loop has 4 letters. [2025-04-26 16:24:13,443 INFO L117 BuchiAccepts]: Finished buchiAccepts. [2025-04-26 16:24:13,443 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 106 states and 211 transitions. [2025-04-26 16:24:13,450 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2025-04-26 16:24:13,452 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 106 states to 0 states and 0 transitions. [2025-04-26 16:24:13,452 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2025-04-26 16:24:13,452 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2025-04-26 16:24:13,453 INFO L74 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2025-04-26 16:24:13,456 INFO L81 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2025-04-26 16:24:13,457 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-04-26 16:24:13,457 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-04-26 16:24:13,457 INFO L438 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-04-26 16:24:13,457 INFO L340 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2025-04-26 16:24:13,457 INFO L73 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2025-04-26 16:24:13,457 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2025-04-26 16:24:13,457 INFO L88 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2025-04-26 16:24:13,474 INFO L201 PluginConnector]: Adding new model bb2.c.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 26.04 04:24:13 BoogieIcfgContainer [2025-04-26 16:24:13,474 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2025-04-26 16:24:13,479 INFO L158 Benchmark]: Toolchain (without parser) took 1165.76ms. Allocated memory was 159.4MB in the beginning and 142.6MB in the end (delta: -16.8MB). Free memory was 86.6MB in the beginning and 100.4MB in the end (delta: -13.8MB). There was no memory consumed. Max. memory is 8.0GB. [2025-04-26 16:24:13,479 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.21ms. Allocated memory is still 159.4MB. Free memory is still 87.5MB. There was no memory consumed. Max. memory is 8.0GB. [2025-04-26 16:24:13,479 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.00ms. Allocated memory is still 159.4MB. Free memory was 86.6MB in the beginning and 84.7MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 8.0GB. [2025-04-26 16:24:13,480 INFO L158 Benchmark]: Boogie Preprocessor took 22.00ms. Allocated memory is still 159.4MB. Free memory was 84.7MB in the beginning and 83.8MB in the end (delta: 969.7kB). There was no memory consumed. Max. memory is 8.0GB. [2025-04-26 16:24:13,480 INFO L158 Benchmark]: RCFGBuilder took 153.65ms. Allocated memory is still 159.4MB. Free memory was 83.7MB in the beginning and 75.1MB in the end (delta: 8.5MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. [2025-04-26 16:24:13,480 INFO L158 Benchmark]: BuchiAutomizer took 951.09ms. Allocated memory was 159.4MB in the beginning and 142.6MB in the end (delta: -16.8MB). Free memory was 75.0MB in the beginning and 100.4MB in the end (delta: -25.4MB). There was no memory consumed. Max. memory is 8.0GB. [2025-04-26 16:24:13,481 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 0.21ms. Allocated memory is still 159.4MB. Free memory is still 87.5MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 36.00ms. Allocated memory is still 159.4MB. Free memory was 86.6MB in the beginning and 84.7MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 8.0GB. * Boogie Preprocessor took 22.00ms. Allocated memory is still 159.4MB. Free memory was 84.7MB in the beginning and 83.8MB in the end (delta: 969.7kB). There was no memory consumed. Max. memory is 8.0GB. * RCFGBuilder took 153.65ms. Allocated memory is still 159.4MB. Free memory was 83.7MB in the beginning and 75.1MB in the end (delta: 8.5MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. * BuchiAutomizer took 951.09ms. Allocated memory was 159.4MB in the beginning and 142.6MB in the end (delta: -16.8MB). Free memory was 75.0MB in the beginning and 100.4MB in the end (delta: -25.4MB). 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 0.8s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 0.4s. 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 0. Automata minimization No data available. 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 [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 13 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 12 mSDsluCounter, 13 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 8 mSDsCounter, 8 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 34 IncrementalHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 8 mSolverCounterUnsat, 5 mSDtfsCounter, 34 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital13 mio100 ax100 hnf100 lsp100 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq146 hnf94 smp100 dnf100 smp100 tf111 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 48ms VariablesStem: 0 VariablesLoop: 4 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.1s InitialAbstractionConstructionTime: 0.0s InitialAbstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -1 * x1 + -1 * x3 + z and consists of 5 locations. - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2025-04-26 16:24:13,504 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...