/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 --buchiautomizer.automaton.type.for.concurrent.programs PARTIAL_ORDER_BA -tc ../../../trunk/examples/toolchains/BuchiAutomizerBplInline.xml -i /storage/cav23-termute-examples/4_plus_thr/indep_loops_8.c.bpl -------------------------------------------------------------------------------- This is Ultimate 0.3.0-wip.dk.ample-buchi-601be74-m [2025-02-17 22:49:13,798 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-17 22:49:13,854 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/settings/buchiAutomizer/concurrent-automaton-noLbe.epf [2025-02-17 22:49:13,858 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-17 22:49:13,863 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-17 22:49:13,888 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-17 22:49:13,888 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-17 22:49:13,889 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-17 22:49:13,889 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-17 22:49:13,889 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-17 22:49:13,890 INFO L153 SettingsManager]: * Use SBE=true [2025-02-17 22:49:13,890 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2025-02-17 22:49:13,890 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2025-02-17 22:49:13,890 INFO L153 SettingsManager]: * Use old map elimination=false [2025-02-17 22:49:13,890 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2025-02-17 22:49:13,890 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2025-02-17 22:49:13,890 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2025-02-17 22:49:13,890 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-17 22:49:13,890 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2025-02-17 22:49:13,890 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-17 22:49:13,890 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-17 22:49:13,890 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-17 22:49:13,890 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-17 22:49:13,890 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2025-02-17 22:49:13,890 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2025-02-17 22:49:13,890 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2025-02-17 22:49:13,891 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-17 22:49:13,891 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-17 22:49:13,891 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-17 22:49:13,891 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2025-02-17 22:49:13,891 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-17 22:49:13,891 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-02-17 22:49:13,891 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-17 22:49:13,891 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-17 22:49:13,891 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-17 22:49:13,891 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2025-02-17 22:49:13,891 INFO L153 SettingsManager]: * TransformationType=MODULO_NEIGHBOR Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: Automaton type for concurrent programs -> PARTIAL_ORDER_BA [2025-02-17 22:49:14,160 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-17 22:49:14,170 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-17 22:49:14,171 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-17 22:49:14,172 INFO L270 PluginConnector]: Initializing Boogie PL CUP Parser... [2025-02-17 22:49:14,174 INFO L274 PluginConnector]: Boogie PL CUP Parser initialized [2025-02-17 22:49:14,176 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/cav23-termute-examples/4_plus_thr/indep_loops_8.c.bpl [2025-02-17 22:49:14,176 INFO L110 BoogieParser]: Parsing: '/storage/cav23-termute-examples/4_plus_thr/indep_loops_8.c.bpl' [2025-02-17 22:49:14,194 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-17 22:49:14,199 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2025-02-17 22:49:14,200 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-17 22:49:14,200 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-17 22:49:14,200 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-17 22:49:14,208 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "indep_loops_8.c.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.02 10:49:14" (1/1) ... [2025-02-17 22:49:14,213 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "indep_loops_8.c.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.02 10:49:14" (1/1) ... [2025-02-17 22:49:14,219 INFO L138 Inliner]: procedures = 9, calls = 8, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2025-02-17 22:49:14,221 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-17 22:49:14,223 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-17 22:49:14,223 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-17 22:49:14,223 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-17 22:49:14,228 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "indep_loops_8.c.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.02 10:49:14" (1/1) ... [2025-02-17 22:49:14,228 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "indep_loops_8.c.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.02 10:49:14" (1/1) ... [2025-02-17 22:49:14,230 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "indep_loops_8.c.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.02 10:49:14" (1/1) ... [2025-02-17 22:49:14,230 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "indep_loops_8.c.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.02 10:49:14" (1/1) ... [2025-02-17 22:49:14,235 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "indep_loops_8.c.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.02 10:49:14" (1/1) ... [2025-02-17 22:49:14,236 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "indep_loops_8.c.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.02 10:49:14" (1/1) ... [2025-02-17 22:49:14,238 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "indep_loops_8.c.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.02 10:49:14" (1/1) ... [2025-02-17 22:49:14,239 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "indep_loops_8.c.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.02 10:49:14" (1/1) ... [2025-02-17 22:49:14,241 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "indep_loops_8.c.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.02 10:49:14" (1/1) ... [2025-02-17 22:49:14,245 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-17 22:49:14,246 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-02-17 22:49:14,246 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-02-17 22:49:14,246 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-02-17 22:49:14,249 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "indep_loops_8.c.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.02 10:49:14" (1/1) ... [2025-02-17 22:49:14,253 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:49:14,263 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:49:14,283 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) [2025-02-17 22:49:14,288 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 [2025-02-17 22:49:14,313 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2025-02-17 22:49:14,314 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2025-02-17 22:49:14,314 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2025-02-17 22:49:14,314 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2025-02-17 22:49:14,314 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2025-02-17 22:49:14,314 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2025-02-17 22:49:14,314 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2025-02-17 22:49:14,314 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2025-02-17 22:49:14,314 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2025-02-17 22:49:14,315 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2025-02-17 22:49:14,315 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-17 22:49:14,315 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-17 22:49:14,315 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2025-02-17 22:49:14,315 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2025-02-17 22:49:14,315 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2025-02-17 22:49:14,315 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread5 given in one single declaration [2025-02-17 22:49:14,315 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2025-02-17 22:49:14,315 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2025-02-17 22:49:14,315 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread6 given in one single declaration [2025-02-17 22:49:14,315 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2025-02-17 22:49:14,315 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2025-02-17 22:49:14,315 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread7 given in one single declaration [2025-02-17 22:49:14,315 INFO L130 BoogieDeclarations]: Found specification of procedure thread7 [2025-02-17 22:49:14,315 INFO L138 BoogieDeclarations]: Found implementation of procedure thread7 [2025-02-17 22:49:14,315 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread8 given in one single declaration [2025-02-17 22:49:14,315 INFO L130 BoogieDeclarations]: Found specification of procedure thread8 [2025-02-17 22:49:14,315 INFO L138 BoogieDeclarations]: Found implementation of procedure thread8 [2025-02-17 22:49:14,316 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-02-17 22:49:14,358 INFO L234 CfgBuilder]: Building ICFG [2025-02-17 22:49:14,360 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-17 22:49:14,469 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-02-17 22:49:14,469 INFO L283 CfgBuilder]: Performing block encoding [2025-02-17 22:49:14,477 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-17 22:49:14,477 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-17 22:49:14,478 INFO L201 PluginConnector]: Adding new model indep_loops_8.c.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.02 10:49:14 BoogieIcfgContainer [2025-02-17 22:49:14,478 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-02-17 22:49:14,478 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2025-02-17 22:49:14,478 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2025-02-17 22:49:14,483 INFO L274 PluginConnector]: BuchiAutomizer initialized [2025-02-17 22:49:14,484 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-02-17 22:49:14,484 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "indep_loops_8.c.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.02 10:49:14" (1/2) ... [2025-02-17 22:49:14,485 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@38dd9baa and model type indep_loops_8.c.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 17.02 10:49:14, skipping insertion in model container [2025-02-17 22:49:14,485 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-02-17 22:49:14,485 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "indep_loops_8.c.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.02 10:49:14" (2/2) ... [2025-02-17 22:49:14,486 INFO L363 chiAutomizerObserver]: Analyzing ICFG indep_loops_8.c.bpl [2025-02-17 22:49:14,563 INFO L143 ThreadInstanceAdder]: Constructed 8 joinOtherThreadTransitions. [2025-02-17 22:49:14,616 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 74 places, 65 transitions, 186 flow [2025-02-17 22:49:14,647 INFO L124 PetriNetUnfolderBase]: 8/49 cut-off events. [2025-02-17 22:49:14,648 INFO L125 PetriNetUnfolderBase]: For 8/8 co-relation queries the response was YES. [2025-02-17 22:49:14,655 INFO L83 FinitePrefix]: Finished finitePrefix Result has 82 conditions, 49 events. 8/49 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 100 event pairs, 0 based on Foata normal form. 0/41 useless extension candidates. Maximal degree in co-relation 53. Up to 2 conditions per place. [2025-02-17 22:49:14,655 INFO L82 GeneralOperation]: Start removeDead. Operand has 74 places, 65 transitions, 186 flow [2025-02-17 22:49:14,659 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 66 places, 49 transitions, 146 flow [2025-02-17 22:49:14,665 WARN L98 AmpleReduction]: Starting ample reduction [2025-02-17 22:49:51,071 INFO L100 AmpleReduction]: Finished ample reduction [2025-02-17 22:49:51,071 INFO L101 AmpleReduction]: Number of pruned transitions: 27799, Number of non-trivial ample sets: 432199 [2025-02-17 22:49:51,072 INFO L103 AmpleReduction]: Number of trivial ample sets caused by loops: 399122 [2025-02-17 22:49:51,153 INFO L306 stractBuchiCegarLoop]: Interprodecural is true [2025-02-17 22:49:51,153 INFO L307 stractBuchiCegarLoop]: Hoare is None [2025-02-17 22:49:51,153 INFO L308 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2025-02-17 22:49:51,153 INFO L309 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2025-02-17 22:49:51,154 INFO L310 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2025-02-17 22:49:51,154 INFO L311 stractBuchiCegarLoop]: Difference is false [2025-02-17 22:49:51,154 INFO L312 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2025-02-17 22:49:51,154 INFO L316 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2025-02-17 22:49:51,668 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 109227 states, 109226 states have (on average 7.612216871440865) internal successors, (831452), 109226 states have internal predecessors, (831452), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-17 22:49:55,795 INFO L131 ngComponentsAnalysis]: Automaton has 12355 accepting balls. 108460 [2025-02-17 22:49:55,796 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-17 22:49:55,796 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-17 22:49:55,806 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1] [2025-02-17 22:49:55,806 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2025-02-17 22:49:55,806 INFO L338 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2025-02-17 22:49:56,160 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 109227 states, 109226 states have (on average 7.612216871440865) internal successors, (831452), 109226 states have internal predecessors, (831452), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-17 22:49:59,485 INFO L131 ngComponentsAnalysis]: Automaton has 12355 accepting balls. 108460 [2025-02-17 22:49:59,486 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-17 22:49:59,486 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-17 22:49:59,491 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1] [2025-02-17 22:49:59,491 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2025-02-17 22:49:59,495 INFO L752 eck$LassoCheckResult]: Stem: "[156] $Ultimate##0-->L38: Formula: (= v_thread1Thread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_thidvar0]" [2025-02-17 22:49:59,496 INFO L754 eck$LassoCheckResult]: Loop: "[123] L38-->L40: Formula: (< v_x1_1 v_z_1) InVars {x1=v_x1_1, z=v_z_1} OutVars{x1=v_x1_1, z=v_z_1} AuxVars[] AssignedVars[]" "[125] L40-->L38: Formula: (= v_x1_2 (+ v_x1_3 1)) InVars {x1=v_x1_3} OutVars{x1=v_x1_2} AuxVars[] AssignedVars[x1]" [2025-02-17 22:49:59,499 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-17 22:49:59,499 INFO L85 PathProgramCache]: Analyzing trace with hash 187, now seen corresponding path program 1 times [2025-02-17 22:49:59,503 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-17 22:49:59,504 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2064899980] [2025-02-17 22:49:59,504 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-17 22:49:59,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-17 22:49:59,552 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1 statements into 1 equivalence classes. [2025-02-17 22:49:59,557 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1 of 1 statements. [2025-02-17 22:49:59,558 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:49:59,558 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:49:59,558 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-17 22:49:59,561 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1 statements into 1 equivalence classes. [2025-02-17 22:49:59,561 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1 of 1 statements. [2025-02-17 22:49:59,562 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:49:59,562 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:49:59,576 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-17 22:49:59,578 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-17 22:49:59,578 INFO L85 PathProgramCache]: Analyzing trace with hash 4899, now seen corresponding path program 1 times [2025-02-17 22:49:59,578 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-17 22:49:59,578 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1437305517] [2025-02-17 22:49:59,578 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-17 22:49:59,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-17 22:49:59,582 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-02-17 22:49:59,584 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-02-17 22:49:59,585 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:49:59,585 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:49:59,585 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-17 22:49:59,586 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-02-17 22:49:59,586 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-02-17 22:49:59,586 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:49:59,587 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:49:59,588 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-17 22:49:59,589 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-17 22:49:59,589 INFO L85 PathProgramCache]: Analyzing trace with hash 183645, now seen corresponding path program 1 times [2025-02-17 22:49:59,589 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-17 22:49:59,589 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2092332962] [2025-02-17 22:49:59,589 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-17 22:49:59,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-17 22:49:59,592 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-17 22:49:59,592 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-17 22:49:59,593 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:49:59,593 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:49:59,593 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-17 22:49:59,594 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-17 22:49:59,594 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-17 22:49:59,595 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:49:59,595 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:49:59,596 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-17 22:49:59,620 INFO L204 LassoAnalysis]: Preferences: [2025-02-17 22:49:59,620 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-02-17 22:49:59,620 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-02-17 22:49:59,620 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-02-17 22:49:59,621 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2025-02-17 22:49:59,621 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:49:59,621 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-02-17 22:49:59,621 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-02-17 22:49:59,621 INFO L132 ssoRankerPreferences]: Filename of dumped script: indep_loops_8.c.bpl_petrified1_Iteration1_Loop [2025-02-17 22:49:59,621 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-02-17 22:49:59,621 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-02-17 22:49:59,737 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:49:59,782 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-02-17 22:49:59,782 INFO L365 LassoAnalysis]: Checking for nontermination... [2025-02-17 22:49:59,783 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:49:59,784 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:49:59,786 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) [2025-02-17 22:49:59,787 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 [2025-02-17 22:49:59,791 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-02-17 22:49:59,791 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-17 22:49:59,810 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 [2025-02-17 22:49:59,810 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:49:59,811 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:49:59,812 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) [2025-02-17 22:49:59,814 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 [2025-02-17 22:49:59,816 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2025-02-17 22:49:59,816 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-17 22:49:59,895 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2025-02-17 22:49:59,900 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 [2025-02-17 22:49:59,900 INFO L204 LassoAnalysis]: Preferences: [2025-02-17 22:49:59,900 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-02-17 22:49:59,900 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-02-17 22:49:59,900 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-02-17 22:49:59,900 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2025-02-17 22:49:59,900 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:49:59,900 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-02-17 22:49:59,900 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-02-17 22:49:59,900 INFO L132 ssoRankerPreferences]: Filename of dumped script: indep_loops_8.c.bpl_petrified1_Iteration1_Loop [2025-02-17 22:49:59,901 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-02-17 22:49:59,901 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-02-17 22:49:59,904 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:49:59,940 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-02-17 22:49:59,943 INFO L451 LassoAnalysis]: Using template 'affine'. [2025-02-17 22:49:59,944 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:49:59,944 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:49:59,956 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) [2025-02-17 22:49:59,958 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 [2025-02-17 22:49:59,958 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 [2025-02-17 22:49:59,969 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-17 22:49:59,969 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-17 22:49:59,970 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-17 22:49:59,970 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-17 22:49:59,970 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-17 22:49:59,974 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-17 22:49:59,974 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-17 22:49:59,980 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2025-02-17 22:49:59,989 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2025-02-17 22:49:59,990 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2025-02-17 22:49:59,991 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:49:59,991 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:49:59,998 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) [2025-02-17 22:50:00,000 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 [2025-02-17 22:50:00,001 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2025-02-17 22:50:00,001 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2025-02-17 22:50:00,002 INFO L474 LassoAnalysis]: Proved termination. [2025-02-17 22:50:00,003 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(z, x1) = 1*z - 1*x1 Supporting invariants [] [2025-02-17 22:50:00,010 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 [2025-02-17 22:50:00,013 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2025-02-17 22:50:00,053 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-17 22:50:00,063 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1 statements into 1 equivalence classes. [2025-02-17 22:50:00,064 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1 of 1 statements. [2025-02-17 22:50:00,064 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:50:00,064 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-17 22:50:00,065 WARN L254 TraceCheckSpWp]: Trace formula consists of 4 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-02-17 22:50:00,065 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-17 22:50:00,077 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-02-17 22:50:00,081 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-02-17 22:50:00,082 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:50:00,082 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-17 22:50:00,082 WARN L254 TraceCheckSpWp]: Trace formula consists of 5 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-17 22:50:00,082 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-17 22:50:00,118 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-17 22:50:00,144 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 [2025-02-17 22:50:00,436 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 109227 states, 109226 states have (on average 7.612216871440865) internal successors, (831452), 109226 states have internal predecessors, (831452), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 1.0) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-17 22:50:02,084 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2025-02-17 22:50:07,940 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 109227 states, 109226 states have (on average 7.612216871440865) internal successors, (831452), 109226 states have internal predecessors, (831452), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 3 states, 3 states have (on average 1.0) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 303999 states and 2515172 transitions. Complement of second has 6 states. [2025-02-17 22:50:07,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2025-02-17 22:50:07,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.0) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-17 22:50:07,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 120 transitions. [2025-02-17 22:50:07,953 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 120 transitions. Stem has 1 letters. Loop has 2 letters. [2025-02-17 22:50:07,953 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-17 22:50:07,953 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 120 transitions. Stem has 3 letters. Loop has 2 letters. [2025-02-17 22:50:07,953 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-17 22:50:07,953 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 120 transitions. Stem has 1 letters. Loop has 4 letters. [2025-02-17 22:50:07,954 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-17 22:50:07,954 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 303999 states and 2515172 transitions. [2025-02-17 22:50:18,747 INFO L131 ngComponentsAnalysis]: Automaton has 14951 accepting balls. 107559 [2025-02-17 22:50:25,898 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 303999 states to 236903 states and 1993509 transitions. [2025-02-17 22:50:25,899 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 108445 [2025-02-17 22:50:27,576 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 172125 [2025-02-17 22:50:27,577 INFO L73 IsDeterministic]: Start isDeterministic. Operand 236903 states and 1993509 transitions. [2025-02-17 22:50:27,577 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2025-02-17 22:50:27,577 INFO L218 hiAutomatonCegarLoop]: Abstraction has 236903 states and 1993509 transitions. [2025-02-17 22:50:28,036 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236903 states and 1993509 transitions. [2025-02-17 22:50:37,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236903 to 173225. [2025-02-17 22:50:37,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 173225 states, 173225 states have (on average 8.660458940684082) internal successors, (1500208), 173224 states have internal predecessors, (1500208), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-17 22:50:40,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173225 states to 173225 states and 1500208 transitions. [2025-02-17 22:50:40,439 INFO L240 hiAutomatonCegarLoop]: Abstraction has 173225 states and 1500208 transitions. [2025-02-17 22:50:40,439 INFO L432 stractBuchiCegarLoop]: Abstraction has 173225 states and 1500208 transitions. [2025-02-17 22:50:40,439 INFO L338 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2025-02-17 22:50:40,439 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 173225 states and 1500208 transitions. [2025-02-17 22:50:43,254 INFO L131 ngComponentsAnalysis]: Automaton has 14951 accepting balls. 107559 [2025-02-17 22:50:43,254 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-17 22:50:43,254 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-17 22:50:43,262 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2025-02-17 22:50:43,262 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2025-02-17 22:50:43,262 INFO L752 eck$LassoCheckResult]: Stem: "[156] $Ultimate##0-->L38: Formula: (= v_thread1Thread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_thidvar0]" "[122] L38-->thread1FINAL: Formula: (<= v_z_2 v_x1_4) InVars {x1=v_x1_4, z=v_z_2} OutVars{x1=v_x1_4, z=v_z_2} AuxVars[] AssignedVars[]" "[124] thread1FINAL-->thread1EXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[]" "[159] L17-->L47: Formula: (and (= 2 v_thread2Thread1of1ForFork1_thidvar1_2) (= 2 v_thread2Thread1of1ForFork1_thidvar0_2)) InVars {} OutVars{thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_2, thread2Thread1of1ForFork1_thidvar1=v_thread2Thread1of1ForFork1_thidvar1_2} AuxVars[] AssignedVars[thread2Thread1of1ForFork1_thidvar0, thread2Thread1of1ForFork1_thidvar1]" [2025-02-17 22:50:43,263 INFO L754 eck$LassoCheckResult]: Loop: "[127] L47-->L49: Formula: (< v_x2_1 v_z_3) InVars {x2=v_x2_1, z=v_z_3} OutVars{x2=v_x2_1, z=v_z_3} AuxVars[] AssignedVars[]" "[129] L49-->L47: Formula: (= v_x2_2 (+ v_x2_3 1)) InVars {x2=v_x2_3} OutVars{x2=v_x2_2} AuxVars[] AssignedVars[x2]" [2025-02-17 22:50:43,263 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-17 22:50:43,263 INFO L85 PathProgramCache]: Analyzing trace with hash 5692162, now seen corresponding path program 1 times [2025-02-17 22:50:43,263 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-17 22:50:43,263 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1945479490] [2025-02-17 22:50:43,263 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-17 22:50:43,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-17 22:50:43,267 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-02-17 22:50:43,268 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-02-17 22:50:43,268 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:50:43,268 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:50:43,268 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-17 22:50:43,269 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-02-17 22:50:43,269 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-02-17 22:50:43,269 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:50:43,270 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:50:43,271 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-17 22:50:43,271 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-17 22:50:43,271 INFO L85 PathProgramCache]: Analyzing trace with hash 5027, now seen corresponding path program 1 times [2025-02-17 22:50:43,272 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-17 22:50:43,272 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [771214592] [2025-02-17 22:50:43,272 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-17 22:50:43,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-17 22:50:43,273 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-02-17 22:50:43,275 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-02-17 22:50:43,275 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:50:43,275 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:50:43,275 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-17 22:50:43,275 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-02-17 22:50:43,276 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-02-17 22:50:43,276 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:50:43,276 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:50:43,277 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-17 22:50:43,277 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-17 22:50:43,277 INFO L85 PathProgramCache]: Analyzing trace with hash 1175204452, now seen corresponding path program 1 times [2025-02-17 22:50:43,277 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-17 22:50:43,278 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1893712609] [2025-02-17 22:50:43,278 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-17 22:50:43,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-17 22:50:43,279 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-02-17 22:50:43,281 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-02-17 22:50:43,281 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:50:43,281 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:50:43,281 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-17 22:50:43,282 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-02-17 22:50:43,283 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-02-17 22:50:43,283 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:50:43,283 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:50:43,284 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-17 22:50:43,298 INFO L204 LassoAnalysis]: Preferences: [2025-02-17 22:50:43,298 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-02-17 22:50:43,298 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-02-17 22:50:43,299 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-02-17 22:50:43,299 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2025-02-17 22:50:43,299 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:50:43,299 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-02-17 22:50:43,299 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-02-17 22:50:43,299 INFO L132 ssoRankerPreferences]: Filename of dumped script: indep_loops_8.c.bpl_petrified1_Iteration2_Loop [2025-02-17 22:50:43,299 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-02-17 22:50:43,299 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-02-17 22:50:43,300 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:50:43,321 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-02-17 22:50:43,321 INFO L365 LassoAnalysis]: Checking for nontermination... [2025-02-17 22:50:43,321 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:50:43,322 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:50:43,323 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) [2025-02-17 22:50:43,509 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 [2025-02-17 22:50:43,510 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-02-17 22:50:43,510 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-17 22:50:43,527 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2025-02-17 22:50:43,528 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:50:43,528 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:50:43,530 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) [2025-02-17 22:50:43,531 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 [2025-02-17 22:50:43,533 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2025-02-17 22:50:43,533 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-17 22:50:43,595 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2025-02-17 22:50:43,599 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 [2025-02-17 22:50:43,599 INFO L204 LassoAnalysis]: Preferences: [2025-02-17 22:50:43,599 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-02-17 22:50:43,599 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-02-17 22:50:43,599 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-02-17 22:50:43,599 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2025-02-17 22:50:43,599 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:50:43,599 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-02-17 22:50:43,599 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-02-17 22:50:43,599 INFO L132 ssoRankerPreferences]: Filename of dumped script: indep_loops_8.c.bpl_petrified1_Iteration2_Loop [2025-02-17 22:50:43,600 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-02-17 22:50:43,600 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-02-17 22:50:43,600 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:50:43,614 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-02-17 22:50:43,614 INFO L451 LassoAnalysis]: Using template 'affine'. [2025-02-17 22:50:43,615 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:50:43,615 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:50:43,617 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) [2025-02-17 22:50:43,618 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 [2025-02-17 22:50:43,619 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 [2025-02-17 22:50:43,628 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-17 22:50:43,629 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-17 22:50:43,629 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-17 22:50:43,629 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-17 22:50:43,629 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-17 22:50:43,629 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-17 22:50:43,629 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-17 22:50:43,631 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2025-02-17 22:50:43,634 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2025-02-17 22:50:43,634 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2025-02-17 22:50:43,635 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:50:43,635 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:50:43,637 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) [2025-02-17 22:50:43,639 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 [2025-02-17 22:50:43,639 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2025-02-17 22:50:43,639 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2025-02-17 22:50:43,639 INFO L474 LassoAnalysis]: Proved termination. [2025-02-17 22:50:43,639 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(z, x2) = 1*z - 1*x2 Supporting invariants [] [2025-02-17 22:50:43,644 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 [2025-02-17 22:50:43,645 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2025-02-17 22:50:43,660 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-17 22:50:43,666 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-02-17 22:50:43,667 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-02-17 22:50:43,667 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:50:43,667 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-17 22:50:43,668 INFO L256 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-02-17 22:50:43,668 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-17 22:50:43,677 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-02-17 22:50:43,678 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-02-17 22:50:43,678 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:50:43,678 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-17 22:50:43,678 WARN L254 TraceCheckSpWp]: Trace formula consists of 5 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-17 22:50:43,679 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-17 22:50:43,691 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-17 22:50:43,691 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 [2025-02-17 22:50:43,692 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 173225 states and 1500208 transitions. cyclomatic complexity: 1345086 Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-17 22:50:44,508 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