/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/4_plus_thr/indep_loops_5.c.bpl -------------------------------------------------------------------------------- This is Ultimate 0.3.0-wip.dk.ample-buchi-601be74-m [2025-02-17 22:45:55,455 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-17 22:45:55,507 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/settings/buchiAutomizer/concurrent-automaton-noLbe.epf [2025-02-17 22:45:55,511 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-17 22:45:55,511 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-17 22:45:55,536 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-17 22:45:55,537 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-17 22:45:55,537 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-17 22:45:55,538 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-17 22:45:55,538 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-17 22:45:55,538 INFO L153 SettingsManager]: * Use SBE=true [2025-02-17 22:45:55,538 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2025-02-17 22:45:55,538 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2025-02-17 22:45:55,538 INFO L153 SettingsManager]: * Use old map elimination=false [2025-02-17 22:45:55,538 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2025-02-17 22:45:55,538 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2025-02-17 22:45:55,538 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2025-02-17 22:45:55,538 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-17 22:45:55,538 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2025-02-17 22:45:55,538 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-17 22:45:55,539 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-17 22:45:55,539 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-17 22:45:55,539 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-17 22:45:55,539 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2025-02-17 22:45:55,540 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2025-02-17 22:45:55,540 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2025-02-17 22:45:55,540 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-17 22:45:55,540 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-17 22:45:55,540 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-17 22:45:55,540 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2025-02-17 22:45:55,540 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-17 22:45:55,540 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-02-17 22:45:55,540 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-17 22:45:55,540 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-17 22:45:55,540 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-17 22:45:55,540 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2025-02-17 22:45:55,540 INFO L153 SettingsManager]: * TransformationType=MODULO_NEIGHBOR [2025-02-17 22:45:55,757 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-17 22:45:55,763 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-17 22:45:55,765 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-17 22:45:55,766 INFO L270 PluginConnector]: Initializing Boogie PL CUP Parser... [2025-02-17 22:45:55,767 INFO L274 PluginConnector]: Boogie PL CUP Parser initialized [2025-02-17 22:45:55,768 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/cav23-termute-examples/4_plus_thr/indep_loops_5.c.bpl [2025-02-17 22:45:55,770 INFO L110 BoogieParser]: Parsing: '/storage/cav23-termute-examples/4_plus_thr/indep_loops_5.c.bpl' [2025-02-17 22:45:55,787 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-17 22:45:55,788 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2025-02-17 22:45:55,789 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-17 22:45:55,789 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-17 22:45:55,789 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-17 22:45:55,798 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "indep_loops_5.c.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.02 10:45:55" (1/1) ... [2025-02-17 22:45:55,802 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "indep_loops_5.c.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.02 10:45:55" (1/1) ... [2025-02-17 22:45:55,808 INFO L138 Inliner]: procedures = 6, calls = 5, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2025-02-17 22:45:55,809 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-17 22:45:55,810 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-17 22:45:55,810 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-17 22:45:55,810 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-17 22:45:55,815 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "indep_loops_5.c.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.02 10:45:55" (1/1) ... [2025-02-17 22:45:55,815 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "indep_loops_5.c.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.02 10:45:55" (1/1) ... [2025-02-17 22:45:55,816 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "indep_loops_5.c.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.02 10:45:55" (1/1) ... [2025-02-17 22:45:55,816 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "indep_loops_5.c.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.02 10:45:55" (1/1) ... [2025-02-17 22:45:55,818 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "indep_loops_5.c.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.02 10:45:55" (1/1) ... [2025-02-17 22:45:55,819 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "indep_loops_5.c.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.02 10:45:55" (1/1) ... [2025-02-17 22:45:55,822 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "indep_loops_5.c.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.02 10:45:55" (1/1) ... [2025-02-17 22:45:55,823 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "indep_loops_5.c.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.02 10:45:55" (1/1) ... [2025-02-17 22:45:55,823 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "indep_loops_5.c.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.02 10:45:55" (1/1) ... [2025-02-17 22:45:55,824 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-17 22:45:55,824 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-02-17 22:45:55,825 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-02-17 22:45:55,825 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-02-17 22:45:55,826 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "indep_loops_5.c.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.02 10:45:55" (1/1) ... [2025-02-17 22:45:55,830 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:45:55,840 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:45:55,885 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 22:45:55,887 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 22:45:55,910 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2025-02-17 22:45:55,910 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2025-02-17 22:45:55,910 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2025-02-17 22:45:55,910 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2025-02-17 22:45:55,910 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2025-02-17 22:45:55,910 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2025-02-17 22:45:55,910 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2025-02-17 22:45:55,910 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2025-02-17 22:45:55,910 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2025-02-17 22:45:55,910 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2025-02-17 22:45:55,911 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-17 22:45:55,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-17 22:45:55,911 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2025-02-17 22:45:55,911 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2025-02-17 22:45:55,911 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2025-02-17 22:45:55,911 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread5 given in one single declaration [2025-02-17 22:45:55,911 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2025-02-17 22:45:55,911 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2025-02-17 22:45:55,911 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 22:45:55,954 INFO L234 CfgBuilder]: Building ICFG [2025-02-17 22:45:55,956 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-17 22:45:56,030 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-02-17 22:45:56,030 INFO L283 CfgBuilder]: Performing block encoding [2025-02-17 22:45:56,037 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-17 22:45:56,037 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-17 22:45:56,037 INFO L201 PluginConnector]: Adding new model indep_loops_5.c.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.02 10:45:56 BoogieIcfgContainer [2025-02-17 22:45:56,038 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-02-17 22:45:56,038 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2025-02-17 22:45:56,038 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2025-02-17 22:45:56,042 INFO L274 PluginConnector]: BuchiAutomizer initialized [2025-02-17 22:45:56,042 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-02-17 22:45:56,042 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "indep_loops_5.c.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.02 10:45:55" (1/2) ... [2025-02-17 22:45:56,043 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@41e83734 and model type indep_loops_5.c.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 17.02 10:45:56, skipping insertion in model container [2025-02-17 22:45:56,043 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-02-17 22:45:56,043 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "indep_loops_5.c.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.02 10:45:56" (2/2) ... [2025-02-17 22:45:56,044 INFO L363 chiAutomizerObserver]: Analyzing ICFG indep_loops_5.c.bpl [2025-02-17 22:45:56,111 INFO L143 ThreadInstanceAdder]: Constructed 5 joinOtherThreadTransitions. [2025-02-17 22:45:56,142 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 47 places, 41 transitions, 117 flow [2025-02-17 22:45:56,164 INFO L124 PetriNetUnfolderBase]: 5/31 cut-off events. [2025-02-17 22:45:56,167 INFO L125 PetriNetUnfolderBase]: For 5/5 co-relation queries the response was YES. [2025-02-17 22:45:56,170 INFO L83 FinitePrefix]: Finished finitePrefix Result has 52 conditions, 31 events. 5/31 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 57 event pairs, 0 based on Foata normal form. 0/26 useless extension candidates. Maximal degree in co-relation 32. Up to 2 conditions per place. [2025-02-17 22:45:56,171 INFO L82 GeneralOperation]: Start removeDead. Operand has 47 places, 41 transitions, 117 flow [2025-02-17 22:45:56,178 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 42 places, 31 transitions, 92 flow [2025-02-17 22:45:56,187 INFO L306 stractBuchiCegarLoop]: Interprodecural is true [2025-02-17 22:45:56,187 INFO L307 stractBuchiCegarLoop]: Hoare is None [2025-02-17 22:45:56,187 INFO L308 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2025-02-17 22:45:56,187 INFO L309 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2025-02-17 22:45:56,187 INFO L310 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2025-02-17 22:45:56,187 INFO L311 stractBuchiCegarLoop]: Difference is false [2025-02-17 22:45:56,187 INFO L312 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2025-02-17 22:45:56,187 INFO L316 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2025-02-17 22:45:56,189 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand currently 0 states, but on-demand construction may add more states [2025-02-17 22:45:56,437 INFO L131 ngComponentsAnalysis]: Automaton has 391 accepting balls. 1612 [2025-02-17 22:45:56,437 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-17 22:45:56,438 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-17 22:45:56,440 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1] [2025-02-17 22:45:56,441 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2025-02-17 22:45:56,441 INFO L338 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2025-02-17 22:45:56,441 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand currently 1706 states, but on-demand construction may add more states [2025-02-17 22:45:56,483 INFO L131 ngComponentsAnalysis]: Automaton has 391 accepting balls. 1612 [2025-02-17 22:45:56,484 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-17 22:45:56,484 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-17 22:45:56,484 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1] [2025-02-17 22:45:56,484 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2025-02-17 22:45:56,489 INFO L752 eck$LassoCheckResult]: Stem: "[99] $Ultimate##0-->L27: Formula: (= v_thread1Thread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_thidvar0]" [2025-02-17 22:45:56,489 INFO L754 eck$LassoCheckResult]: Loop: "[78] L27-->L29: 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[]" "[80] L29-->L27: Formula: (= v_x1_2 (+ v_x1_3 1)) InVars {x1=v_x1_3} OutVars{x1=v_x1_2} AuxVars[] AssignedVars[x1]" [2025-02-17 22:45:56,494 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-17 22:45:56,494 INFO L85 PathProgramCache]: Analyzing trace with hash 130, now seen corresponding path program 1 times [2025-02-17 22:45:56,499 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-17 22:45:56,499 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [820233079] [2025-02-17 22:45:56,499 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-17 22:45:56,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-17 22:45:56,542 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1 statements into 1 equivalence classes. [2025-02-17 22:45:56,547 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1 of 1 statements. [2025-02-17 22:45:56,548 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:45:56,548 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:45:56,548 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-17 22:45:56,552 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1 statements into 1 equivalence classes. [2025-02-17 22:45:56,553 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1 of 1 statements. [2025-02-17 22:45:56,553 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:45:56,553 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:45:56,568 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-17 22:45:56,571 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-17 22:45:56,571 INFO L85 PathProgramCache]: Analyzing trace with hash 3459, now seen corresponding path program 1 times [2025-02-17 22:45:56,571 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-17 22:45:56,571 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1937841550] [2025-02-17 22:45:56,572 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-17 22:45:56,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-17 22:45:56,577 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-02-17 22:45:56,583 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-02-17 22:45:56,584 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:45:56,584 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:45:56,584 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-17 22:45:56,588 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-02-17 22:45:56,589 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-02-17 22:45:56,589 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:45:56,589 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:45:56,594 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-17 22:45:56,595 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-17 22:45:56,595 INFO L85 PathProgramCache]: Analyzing trace with hash 127428, now seen corresponding path program 1 times [2025-02-17 22:45:56,595 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-17 22:45:56,595 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [865412015] [2025-02-17 22:45:56,596 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-17 22:45:56,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-17 22:45:56,600 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-17 22:45:56,601 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-17 22:45:56,601 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:45:56,601 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:45:56,601 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-17 22:45:56,603 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-17 22:45:56,604 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-17 22:45:56,604 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:45:56,604 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:45:56,605 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-17 22:45:56,661 INFO L204 LassoAnalysis]: Preferences: [2025-02-17 22:45:56,662 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-02-17 22:45:56,662 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-02-17 22:45:56,662 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-02-17 22:45:56,662 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2025-02-17 22:45:56,662 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:45:56,662 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-02-17 22:45:56,662 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-02-17 22:45:56,662 INFO L132 ssoRankerPreferences]: Filename of dumped script: indep_loops_5.c.bpl_petrified1_Iteration1_Loop [2025-02-17 22:45:56,663 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-02-17 22:45:56,663 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-02-17 22:45:56,672 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:45:56,711 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-02-17 22:45:56,712 INFO L365 LassoAnalysis]: Checking for nontermination... [2025-02-17 22:45:56,714 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:45:56,714 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:45:56,717 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 22:45:56,719 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 22:45:56,721 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-02-17 22:45:56,721 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-17 22:45:56,741 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2025-02-17 22:45:56,742 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:45:56,742 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:45:56,744 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 22:45:56,745 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 22:45:56,747 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2025-02-17 22:45:56,748 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-17 22:45:56,822 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2025-02-17 22:45:56,827 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 22:45:56,827 INFO L204 LassoAnalysis]: Preferences: [2025-02-17 22:45:56,827 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-02-17 22:45:56,827 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-02-17 22:45:56,827 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-02-17 22:45:56,827 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2025-02-17 22:45:56,827 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:45:56,827 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-02-17 22:45:56,827 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-02-17 22:45:56,828 INFO L132 ssoRankerPreferences]: Filename of dumped script: indep_loops_5.c.bpl_petrified1_Iteration1_Loop [2025-02-17 22:45:56,828 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-02-17 22:45:56,828 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-02-17 22:45:56,828 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:45:56,855 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-02-17 22:45:56,859 INFO L451 LassoAnalysis]: Using template 'affine'. [2025-02-17 22:45:56,859 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:45:56,860 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:45:56,861 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 22:45:56,862 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 22:45:56,863 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-17 22:45:56,874 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-17 22:45:56,874 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-17 22:45:56,875 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-17 22:45:56,875 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-17 22:45:56,875 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-17 22:45:56,880 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-17 22:45:56,880 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-17 22:45:56,883 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2025-02-17 22:45:56,888 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2025-02-17 22:45:56,888 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2025-02-17 22:45:56,889 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:45:56,889 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:45:56,894 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 22:45:56,895 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 22:45:56,896 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2025-02-17 22:45:56,896 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2025-02-17 22:45:56,896 INFO L474 LassoAnalysis]: Proved termination. [2025-02-17 22:45:56,897 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(x1, z) = -1*x1 + 1*z Supporting invariants [] [2025-02-17 22:45:56,905 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 22:45:56,912 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2025-02-17 22:45:56,941 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-17 22:45:56,948 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1 statements into 1 equivalence classes. [2025-02-17 22:45:56,949 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1 of 1 statements. [2025-02-17 22:45:56,949 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:45:56,949 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-17 22:45:56,950 WARN L254 TraceCheckSpWp]: Trace formula consists of 4 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-02-17 22:45:56,950 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-17 22:45:56,956 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-02-17 22:45:56,957 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-02-17 22:45:56,957 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:45:56,957 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-17 22:45:56,958 WARN L254 TraceCheckSpWp]: Trace formula consists of 5 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-17 22:45:56,959 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-17 22:45:56,976 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 22:45:57,016 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 22:45:57,020 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 22:45:57,023 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand currently 1706 states, but on-demand construction may add more states 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 22:45:57,342 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand currently 1706 states, but on-demand construction may add more states. 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 4773 states and 25338 transitions. Complement of second has 6 states. [2025-02-17 22:45:57,345 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 22:45:57,349 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 22:45:57,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 73 transitions. [2025-02-17 22:45:57,355 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 73 transitions. Stem has 1 letters. Loop has 2 letters. [2025-02-17 22:45:57,356 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-17 22:45:57,356 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 73 transitions. Stem has 3 letters. Loop has 2 letters. [2025-02-17 22:45:57,356 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-17 22:45:57,356 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 73 transitions. Stem has 1 letters. Loop has 4 letters. [2025-02-17 22:45:57,356 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-17 22:45:57,357 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 4773 states and 25338 transitions. [2025-02-17 22:45:57,442 INFO L131 ngComponentsAnalysis]: Automaton has 450 accepting balls. 1550 [2025-02-17 22:45:57,509 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 4773 states to 3557 states and 19037 transitions. [2025-02-17 22:45:57,511 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 1609 [2025-02-17 22:45:57,525 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 2583 [2025-02-17 22:45:57,526 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3557 states and 19037 transitions. [2025-02-17 22:45:57,526 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2025-02-17 22:45:57,526 INFO L218 hiAutomatonCegarLoop]: Abstraction has 3557 states and 19037 transitions. [2025-02-17 22:45:57,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3557 states and 19037 transitions. [2025-02-17 22:45:57,683 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3557 to 2585. [2025-02-17 22:45:57,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2585 states, 2585 states have (on average 5.512185686653772) internal successors, (14249), 2584 states have internal predecessors, (14249), 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 22:45:57,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2585 states to 2585 states and 14249 transitions. [2025-02-17 22:45:57,745 INFO L240 hiAutomatonCegarLoop]: Abstraction has 2585 states and 14249 transitions. [2025-02-17 22:45:57,745 INFO L432 stractBuchiCegarLoop]: Abstraction has 2585 states and 14249 transitions. [2025-02-17 22:45:57,745 INFO L338 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2025-02-17 22:45:57,745 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 2585 states and 14249 transitions. [2025-02-17 22:45:57,764 INFO L131 ngComponentsAnalysis]: Automaton has 450 accepting balls. 1550 [2025-02-17 22:45:57,764 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-17 22:45:57,764 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-17 22:45:57,765 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2025-02-17 22:45:57,765 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2025-02-17 22:45:57,765 INFO L752 eck$LassoCheckResult]: Stem: "[99] $Ultimate##0-->L27: Formula: (= v_thread1Thread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_thidvar0]" "[102] L12-->L36: Formula: (and (= 2 v_thread2Thread1of1ForFork1_thidvar1_2) (= 2 v_thread2Thread1of1ForFork1_thidvar0_2)) InVars {} OutVars{thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_2, thread2Thread1of1ForFork1_thidvar1=v_thread2Thread1of1ForFork1_thidvar1_2} AuxVars[] AssignedVars[thread2Thread1of1ForFork1_thidvar0, thread2Thread1of1ForFork1_thidvar1]" [2025-02-17 22:45:57,765 INFO L754 eck$LassoCheckResult]: Loop: "[82] L36-->L38: 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[]" "[84] L38-->L36: Formula: (= v_x2_2 (+ v_x2_3 1)) InVars {x2=v_x2_3} OutVars{x2=v_x2_2} AuxVars[] AssignedVars[x2]" [2025-02-17 22:45:57,766 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-17 22:45:57,766 INFO L85 PathProgramCache]: Analyzing trace with hash 4132, now seen corresponding path program 1 times [2025-02-17 22:45:57,766 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-17 22:45:57,766 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1319094106] [2025-02-17 22:45:57,766 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-17 22:45:57,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-17 22:45:57,771 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-02-17 22:45:57,771 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-02-17 22:45:57,772 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:45:57,772 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:45:57,772 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-17 22:45:57,773 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-02-17 22:45:57,774 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-02-17 22:45:57,774 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:45:57,774 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:45:57,776 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-17 22:45:57,776 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-17 22:45:57,777 INFO L85 PathProgramCache]: Analyzing trace with hash 3587, now seen corresponding path program 1 times [2025-02-17 22:45:57,777 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-17 22:45:57,777 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [267989078] [2025-02-17 22:45:57,777 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-17 22:45:57,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-17 22:45:57,780 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-02-17 22:45:57,781 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-02-17 22:45:57,781 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:45:57,781 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:45:57,781 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-17 22:45:57,782 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-02-17 22:45:57,784 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-02-17 22:45:57,784 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:45:57,784 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:45:57,786 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-17 22:45:57,786 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-17 22:45:57,786 INFO L85 PathProgramCache]: Analyzing trace with hash 3973478, now seen corresponding path program 1 times [2025-02-17 22:45:57,786 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-17 22:45:57,786 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [661063044] [2025-02-17 22:45:57,786 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-17 22:45:57,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-17 22:45:57,789 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-02-17 22:45:57,790 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-02-17 22:45:57,791 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:45:57,791 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:45:57,791 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-17 22:45:57,792 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-02-17 22:45:57,794 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-02-17 22:45:57,794 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:45:57,795 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:45:57,796 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-17 22:45:57,818 INFO L204 LassoAnalysis]: Preferences: [2025-02-17 22:45:57,818 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-02-17 22:45:57,818 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-02-17 22:45:57,819 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-02-17 22:45:57,819 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2025-02-17 22:45:57,819 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:45:57,819 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-02-17 22:45:57,819 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-02-17 22:45:57,819 INFO L132 ssoRankerPreferences]: Filename of dumped script: indep_loops_5.c.bpl_petrified1_Iteration2_Loop [2025-02-17 22:45:57,819 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-02-17 22:45:57,819 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-02-17 22:45:57,819 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:45:57,843 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-02-17 22:45:57,844 INFO L365 LassoAnalysis]: Checking for nontermination... [2025-02-17 22:45:57,844 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:45:57,844 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:45:57,846 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 22:45:57,848 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 22:45:57,849 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-02-17 22:45:57,849 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-17 22:45:57,868 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2025-02-17 22:45:57,868 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:45:57,868 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:45:57,870 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 22:45:57,872 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 22:45:57,873 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2025-02-17 22:45:57,874 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-17 22:45:57,943 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2025-02-17 22:45:57,948 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2025-02-17 22:45:57,948 INFO L204 LassoAnalysis]: Preferences: [2025-02-17 22:45:57,948 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-02-17 22:45:57,948 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-02-17 22:45:57,948 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-02-17 22:45:57,948 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2025-02-17 22:45:57,949 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:45:57,949 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-02-17 22:45:57,949 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-02-17 22:45:57,949 INFO L132 ssoRankerPreferences]: Filename of dumped script: indep_loops_5.c.bpl_petrified1_Iteration2_Loop [2025-02-17 22:45:57,949 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-02-17 22:45:57,949 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-02-17 22:45:57,949 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:45:57,974 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-02-17 22:45:57,975 INFO L451 LassoAnalysis]: Using template 'affine'. [2025-02-17 22:45:57,975 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:45:57,975 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:45:57,977 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 22:45:57,978 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 22:45:57,979 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 22:45:57,989 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-17 22:45:57,989 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-17 22:45:57,989 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-17 22:45:57,989 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-17 22:45:57,990 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-17 22:45:57,993 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-17 22:45:57,993 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-17 22:45:57,995 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2025-02-17 22:45:57,998 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2025-02-17 22:45:57,998 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2025-02-17 22:45:57,999 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:45:57,999 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:45:58,000 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 22:45:58,002 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 22:45:58,003 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2025-02-17 22:45:58,003 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2025-02-17 22:45:58,003 INFO L474 LassoAnalysis]: Proved termination. [2025-02-17 22:45:58,003 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(z, x2) = 1*z - 1*x2 Supporting invariants [] [2025-02-17 22:45:58,009 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2025-02-17 22:45:58,010 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2025-02-17 22:45:58,022 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-17 22:45:58,027 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-02-17 22:45:58,033 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-02-17 22:45:58,033 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:45:58,033 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-17 22:45:58,034 INFO L256 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-02-17 22:45:58,034 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-17 22:45:58,044 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-02-17 22:45:58,045 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-02-17 22:45:58,045 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:45:58,045 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-17 22:45:58,045 WARN L254 TraceCheckSpWp]: Trace formula consists of 5 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-17 22:45:58,045 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-17 22:45:58,059 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 22:45:58,060 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 22:45:58,060 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 2585 states and 14249 transitions. cyclomatic complexity: 12219 Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 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 22:45:58,207 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2025-02-17 22:45:58,266 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 2585 states and 14249 transitions. cyclomatic complexity: 12219. Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 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 7963 states and 45714 transitions. Complement of second has 6 states. [2025-02-17 22:45:58,266 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 22:45:58,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 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 22:45:58,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 75 transitions. [2025-02-17 22:45:58,267 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 75 transitions. Stem has 2 letters. Loop has 2 letters. [2025-02-17 22:45:58,267 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-17 22:45:58,267 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 75 transitions. Stem has 4 letters. Loop has 2 letters. [2025-02-17 22:45:58,267 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-17 22:45:58,267 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 75 transitions. Stem has 2 letters. Loop has 4 letters. [2025-02-17 22:45:58,267 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-17 22:45:58,267 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 7963 states and 45714 transitions. [2025-02-17 22:45:58,467 INFO L131 ngComponentsAnalysis]: Automaton has 501 accepting balls. 1414 [2025-02-17 22:45:58,583 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 7963 states to 5793 states and 33365 transitions. [2025-02-17 22:45:58,584 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 2071 [2025-02-17 22:45:58,597 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 3162 [2025-02-17 22:45:58,598 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5793 states and 33365 transitions. [2025-02-17 22:45:58,598 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2025-02-17 22:45:58,598 INFO L218 hiAutomatonCegarLoop]: Abstraction has 5793 states and 33365 transitions. [2025-02-17 22:45:58,605 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5793 states and 33365 transitions. [2025-02-17 22:45:58,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5793 to 4702. [2025-02-17 22:45:58,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4702 states, 4702 states have (on average 6.000212675457252) internal successors, (28213), 4701 states have internal predecessors, (28213), 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 22:45:58,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4702 states to 4702 states and 28213 transitions. [2025-02-17 22:45:58,791 INFO L240 hiAutomatonCegarLoop]: Abstraction has 4702 states and 28213 transitions. [2025-02-17 22:45:58,791 INFO L432 stractBuchiCegarLoop]: Abstraction has 4702 states and 28213 transitions. [2025-02-17 22:45:58,791 INFO L338 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2025-02-17 22:45:58,791 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 4702 states and 28213 transitions. [2025-02-17 22:45:58,827 INFO L131 ngComponentsAnalysis]: Automaton has 501 accepting balls. 1414 [2025-02-17 22:45:58,827 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-17 22:45:58,827 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-17 22:45:58,828 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2025-02-17 22:45:58,828 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2025-02-17 22:45:58,828 INFO L752 eck$LassoCheckResult]: Stem: "[99] $Ultimate##0-->L27: Formula: (= v_thread1Thread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_thidvar0]" "[102] L12-->L36: Formula: (and (= 2 v_thread2Thread1of1ForFork1_thidvar1_2) (= 2 v_thread2Thread1of1ForFork1_thidvar0_2)) InVars {} OutVars{thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_2, thread2Thread1of1ForFork1_thidvar1=v_thread2Thread1of1ForFork1_thidvar1_2} AuxVars[] AssignedVars[thread2Thread1of1ForFork1_thidvar0, thread2Thread1of1ForFork1_thidvar1]" "[105] L13-->L45: Formula: (and (= 3 v_thread3Thread1of1ForFork2_thidvar0_2) (= 3 v_thread3Thread1of1ForFork2_thidvar1_2) (= 3 v_thread3Thread1of1ForFork2_thidvar2_2)) InVars {} OutVars{thread3Thread1of1ForFork2_thidvar2=v_thread3Thread1of1ForFork2_thidvar2_2, thread3Thread1of1ForFork2_thidvar1=v_thread3Thread1of1ForFork2_thidvar1_2, thread3Thread1of1ForFork2_thidvar0=v_thread3Thread1of1ForFork2_thidvar0_2} AuxVars[] AssignedVars[thread3Thread1of1ForFork2_thidvar2, thread3Thread1of1ForFork2_thidvar1, thread3Thread1of1ForFork2_thidvar0]" [2025-02-17 22:45:58,828 INFO L754 eck$LassoCheckResult]: Loop: "[86] L45-->L47: Formula: (< v_x3_1 v_z_5) InVars {x3=v_x3_1, z=v_z_5} OutVars{x3=v_x3_1, z=v_z_5} AuxVars[] AssignedVars[]" "[88] L47-->L45: Formula: (= v_x3_2 (+ v_x3_3 1)) InVars {x3=v_x3_3} OutVars{x3=v_x3_2} AuxVars[] AssignedVars[x3]" [2025-02-17 22:45:58,829 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-17 22:45:58,829 INFO L85 PathProgramCache]: Analyzing trace with hash 128197, now seen corresponding path program 1 times [2025-02-17 22:45:58,829 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-17 22:45:58,829 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [171260193] [2025-02-17 22:45:58,829 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-17 22:45:58,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-17 22:45:58,831 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-17 22:45:58,832 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-17 22:45:58,833 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:45:58,833 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:45:58,833 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-17 22:45:58,833 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-17 22:45:58,834 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-17 22:45:58,834 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:45:58,834 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:45:58,835 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-17 22:45:58,836 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-17 22:45:58,836 INFO L85 PathProgramCache]: Analyzing trace with hash 3715, now seen corresponding path program 1 times [2025-02-17 22:45:58,836 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-17 22:45:58,836 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [424405981] [2025-02-17 22:45:58,836 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-17 22:45:58,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-17 22:45:58,838 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-02-17 22:45:58,838 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-02-17 22:45:58,838 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:45:58,838 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:45:58,838 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-17 22:45:58,839 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-02-17 22:45:58,840 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-02-17 22:45:58,840 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:45:58,840 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:45:58,840 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-17 22:45:58,841 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-17 22:45:58,841 INFO L85 PathProgramCache]: Analyzing trace with hash 123200071, now seen corresponding path program 1 times [2025-02-17 22:45:58,841 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-17 22:45:58,841 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [57361879] [2025-02-17 22:45:58,841 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-17 22:45:58,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-17 22:45:58,843 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-02-17 22:45:58,849 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-02-17 22:45:58,849 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:45:58,849 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:45:58,849 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-17 22:45:58,850 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-02-17 22:45:58,851 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-02-17 22:45:58,851 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:45:58,851 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:45:58,856 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-17 22:45:58,877 INFO L204 LassoAnalysis]: Preferences: [2025-02-17 22:45:58,877 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-02-17 22:45:58,878 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-02-17 22:45:58,878 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-02-17 22:45:58,878 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2025-02-17 22:45:58,878 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:45:58,878 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-02-17 22:45:58,878 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-02-17 22:45:58,878 INFO L132 ssoRankerPreferences]: Filename of dumped script: indep_loops_5.c.bpl_petrified1_Iteration3_Loop [2025-02-17 22:45:58,878 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-02-17 22:45:58,878 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-02-17 22:45:58,878 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:45:58,896 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-02-17 22:45:58,896 INFO L365 LassoAnalysis]: Checking for nontermination... [2025-02-17 22:45:58,896 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:45:58,896 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:45:58,898 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:45:58,900 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2025-02-17 22:45:58,901 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-02-17 22:45:58,901 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-17 22:45:58,920 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2025-02-17 22:45:58,921 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:45:58,921 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:45:58,923 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:45:58,923 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2025-02-17 22:45:58,926 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2025-02-17 22:45:58,926 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-17 22:45:58,996 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2025-02-17 22:45:59,000 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2025-02-17 22:45:59,001 INFO L204 LassoAnalysis]: Preferences: [2025-02-17 22:45:59,001 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-02-17 22:45:59,001 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-02-17 22:45:59,001 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-02-17 22:45:59,001 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2025-02-17 22:45:59,001 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:45:59,001 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-02-17 22:45:59,001 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-02-17 22:45:59,001 INFO L132 ssoRankerPreferences]: Filename of dumped script: indep_loops_5.c.bpl_petrified1_Iteration3_Loop [2025-02-17 22:45:59,001 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-02-17 22:45:59,001 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-02-17 22:45:59,002 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:45:59,021 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-02-17 22:45:59,021 INFO L451 LassoAnalysis]: Using template 'affine'. [2025-02-17 22:45:59,021 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:45:59,021 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:45:59,024 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:45:59,025 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2025-02-17 22:45:59,027 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 22:45:59,037 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-17 22:45:59,038 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-17 22:45:59,038 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-17 22:45:59,038 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-17 22:45:59,038 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-17 22:45:59,040 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-17 22:45:59,040 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-17 22:45:59,042 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2025-02-17 22:45:59,045 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2025-02-17 22:45:59,045 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 0 variables to zero. [2025-02-17 22:45:59,045 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:45:59,045 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:45:59,047 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:45:59,050 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2025-02-17 22:45:59,051 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2025-02-17 22:45:59,051 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2025-02-17 22:45:59,051 INFO L474 LassoAnalysis]: Proved termination. [2025-02-17 22:45:59,051 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(z, x3) = 1*z - 1*x3 Supporting invariants [] [2025-02-17 22:45:59,057 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2025-02-17 22:45:59,058 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2025-02-17 22:45:59,073 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-17 22:45:59,078 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-17 22:45:59,079 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-17 22:45:59,079 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:45:59,079 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-17 22:45:59,080 INFO L256 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-02-17 22:45:59,080 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-17 22:45:59,087 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-02-17 22:45:59,088 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-02-17 22:45:59,088 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:45:59,088 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-17 22:45:59,089 WARN L254 TraceCheckSpWp]: Trace formula consists of 5 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-17 22:45:59,089 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-17 22:45:59,101 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 22:45:59,101 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 22:45:59,101 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 4702 states and 28213 transitions. cyclomatic complexity: 24320 Second operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 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 22:45:59,364 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2025-02-17 22:45:59,401 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 4702 states and 28213 transitions. cyclomatic complexity: 24320. Second operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 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 14824 states and 91087 transitions. Complement of second has 6 states. [2025-02-17 22:45:59,402 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 22:45:59,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 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 22:45:59,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 79 transitions. [2025-02-17 22:45:59,402 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 79 transitions. Stem has 3 letters. Loop has 2 letters. [2025-02-17 22:45:59,402 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-17 22:45:59,403 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 79 transitions. Stem has 5 letters. Loop has 2 letters. [2025-02-17 22:45:59,403 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-17 22:45:59,403 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 79 transitions. Stem has 3 letters. Loop has 4 letters. [2025-02-17 22:45:59,403 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-17 22:45:59,403 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 14824 states and 91087 transitions. [2025-02-17 22:45:59,645 INFO L131 ngComponentsAnalysis]: Automaton has 490 accepting balls. 1150 [2025-02-17 22:45:59,853 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 14824 states to 9894 states and 60730 transitions. [2025-02-17 22:45:59,854 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 2837 [2025-02-17 22:45:59,884 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 3832 [2025-02-17 22:45:59,885 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9894 states and 60730 transitions. [2025-02-17 22:45:59,885 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2025-02-17 22:45:59,885 INFO L218 hiAutomatonCegarLoop]: Abstraction has 9894 states and 60730 transitions. [2025-02-17 22:45:59,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9894 states and 60730 transitions. [2025-02-17 22:46:00,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9894 to 8340. [2025-02-17 22:46:00,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8340 states, 8340 states have (on average 6.357194244604316) internal successors, (53019), 8339 states have internal predecessors, (53019), 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 22:46:00,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8340 states to 8340 states and 53019 transitions. [2025-02-17 22:46:00,294 INFO L240 hiAutomatonCegarLoop]: Abstraction has 8340 states and 53019 transitions. [2025-02-17 22:46:00,294 INFO L432 stractBuchiCegarLoop]: Abstraction has 8340 states and 53019 transitions. [2025-02-17 22:46:00,294 INFO L338 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2025-02-17 22:46:00,294 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8340 states and 53019 transitions. [2025-02-17 22:46:00,352 INFO L131 ngComponentsAnalysis]: Automaton has 490 accepting balls. 1150 [2025-02-17 22:46:00,352 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-17 22:46:00,352 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-17 22:46:00,352 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2025-02-17 22:46:00,353 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2025-02-17 22:46:00,353 INFO L752 eck$LassoCheckResult]: Stem: "[99] $Ultimate##0-->L27: Formula: (= v_thread1Thread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_thidvar0]" "[102] L12-->L36: Formula: (and (= 2 v_thread2Thread1of1ForFork1_thidvar1_2) (= 2 v_thread2Thread1of1ForFork1_thidvar0_2)) InVars {} OutVars{thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_2, thread2Thread1of1ForFork1_thidvar1=v_thread2Thread1of1ForFork1_thidvar1_2} AuxVars[] AssignedVars[thread2Thread1of1ForFork1_thidvar0, thread2Thread1of1ForFork1_thidvar1]" "[105] L13-->L45: Formula: (and (= 3 v_thread3Thread1of1ForFork2_thidvar0_2) (= 3 v_thread3Thread1of1ForFork2_thidvar1_2) (= 3 v_thread3Thread1of1ForFork2_thidvar2_2)) InVars {} OutVars{thread3Thread1of1ForFork2_thidvar2=v_thread3Thread1of1ForFork2_thidvar2_2, thread3Thread1of1ForFork2_thidvar1=v_thread3Thread1of1ForFork2_thidvar1_2, thread3Thread1of1ForFork2_thidvar0=v_thread3Thread1of1ForFork2_thidvar0_2} AuxVars[] AssignedVars[thread3Thread1of1ForFork2_thidvar2, thread3Thread1of1ForFork2_thidvar1, thread3Thread1of1ForFork2_thidvar0]" "[108] L14-->L54: Formula: (and (= v_thread4Thread1of1ForFork3_thidvar2_2 4) (= v_thread4Thread1of1ForFork3_thidvar3_2 4) (= v_thread4Thread1of1ForFork3_thidvar0_2 4) (= v_thread4Thread1of1ForFork3_thidvar1_2 4)) InVars {} OutVars{thread4Thread1of1ForFork3_thidvar1=v_thread4Thread1of1ForFork3_thidvar1_2, thread4Thread1of1ForFork3_thidvar0=v_thread4Thread1of1ForFork3_thidvar0_2, thread4Thread1of1ForFork3_thidvar3=v_thread4Thread1of1ForFork3_thidvar3_2, thread4Thread1of1ForFork3_thidvar2=v_thread4Thread1of1ForFork3_thidvar2_2} AuxVars[] AssignedVars[thread4Thread1of1ForFork3_thidvar1, thread4Thread1of1ForFork3_thidvar0, thread4Thread1of1ForFork3_thidvar3, thread4Thread1of1ForFork3_thidvar2]" [2025-02-17 22:46:00,353 INFO L754 eck$LassoCheckResult]: Loop: "[90] L54-->L56: Formula: (< v_x4_1 v_z_7) InVars {x4=v_x4_1, z=v_z_7} OutVars{x4=v_x4_1, z=v_z_7} AuxVars[] AssignedVars[]" "[92] L56-->L54: Formula: (= (+ v_x4_3 1) v_x4_2) InVars {x4=v_x4_3} OutVars{x4=v_x4_2} AuxVars[] AssignedVars[x4]" [2025-02-17 22:46:00,354 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-17 22:46:00,354 INFO L85 PathProgramCache]: Analyzing trace with hash 3974215, now seen corresponding path program 1 times [2025-02-17 22:46:00,354 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-17 22:46:00,354 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [847479127] [2025-02-17 22:46:00,354 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-17 22:46:00,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-17 22:46:00,357 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-02-17 22:46:00,362 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-02-17 22:46:00,363 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:46:00,363 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:46:00,363 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-17 22:46:00,364 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-02-17 22:46:00,368 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-02-17 22:46:00,369 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:46:00,369 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:46:00,370 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-17 22:46:00,370 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-17 22:46:00,370 INFO L85 PathProgramCache]: Analyzing trace with hash 3843, now seen corresponding path program 1 times [2025-02-17 22:46:00,370 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-17 22:46:00,371 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [568582431] [2025-02-17 22:46:00,371 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-17 22:46:00,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-17 22:46:00,373 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-02-17 22:46:00,375 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-02-17 22:46:00,376 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:46:00,376 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:46:00,376 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-17 22:46:00,376 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-02-17 22:46:00,377 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-02-17 22:46:00,377 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:46:00,377 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:46:00,380 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-17 22:46:00,381 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-17 22:46:00,381 INFO L85 PathProgramCache]: Analyzing trace with hash -475743799, now seen corresponding path program 1 times [2025-02-17 22:46:00,381 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-17 22:46:00,381 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [989564632] [2025-02-17 22:46:00,381 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-17 22:46:00,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-17 22:46:00,383 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-02-17 22:46:00,388 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-02-17 22:46:00,388 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:46:00,388 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:46:00,388 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-17 22:46:00,389 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-02-17 22:46:00,394 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-02-17 22:46:00,394 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:46:00,394 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:46:00,395 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-17 22:46:00,411 INFO L204 LassoAnalysis]: Preferences: [2025-02-17 22:46:00,411 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-02-17 22:46:00,411 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-02-17 22:46:00,411 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-02-17 22:46:00,411 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2025-02-17 22:46:00,411 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:46:00,411 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-02-17 22:46:00,411 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-02-17 22:46:00,411 INFO L132 ssoRankerPreferences]: Filename of dumped script: indep_loops_5.c.bpl_petrified1_Iteration4_Loop [2025-02-17 22:46:00,411 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-02-17 22:46:00,411 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-02-17 22:46:00,412 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:46:00,427 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-02-17 22:46:00,427 INFO L365 LassoAnalysis]: Checking for nontermination... [2025-02-17 22:46:00,427 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:46:00,427 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:46:00,429 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:46:00,431 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2025-02-17 22:46:00,432 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-02-17 22:46:00,432 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-17 22:46:00,448 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2025-02-17 22:46:00,448 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:46:00,448 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:46:00,450 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:46:00,451 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2025-02-17 22:46:00,453 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2025-02-17 22:46:00,453 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-17 22:46:00,519 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2025-02-17 22:46:00,524 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2025-02-17 22:46:00,524 INFO L204 LassoAnalysis]: Preferences: [2025-02-17 22:46:00,524 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-02-17 22:46:00,524 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-02-17 22:46:00,524 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-02-17 22:46:00,524 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2025-02-17 22:46:00,524 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:46:00,524 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-02-17 22:46:00,524 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-02-17 22:46:00,525 INFO L132 ssoRankerPreferences]: Filename of dumped script: indep_loops_5.c.bpl_petrified1_Iteration4_Loop [2025-02-17 22:46:00,525 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-02-17 22:46:00,525 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-02-17 22:46:00,525 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:46:00,541 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-02-17 22:46:00,541 INFO L451 LassoAnalysis]: Using template 'affine'. [2025-02-17 22:46:00,542 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:46:00,542 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:46:00,543 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:46:00,545 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2025-02-17 22:46:00,547 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 22:46:00,556 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-17 22:46:00,556 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-17 22:46:00,556 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-17 22:46:00,556 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-17 22:46:00,556 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-17 22:46:00,557 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-17 22:46:00,557 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-17 22:46:00,559 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2025-02-17 22:46:00,563 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2025-02-17 22:46:00,563 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2025-02-17 22:46:00,563 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:46:00,563 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:46:00,565 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:46:00,566 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2025-02-17 22:46:00,567 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2025-02-17 22:46:00,567 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2025-02-17 22:46:00,568 INFO L474 LassoAnalysis]: Proved termination. [2025-02-17 22:46:00,568 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(z, x4) = 1*z - 1*x4 Supporting invariants [] [2025-02-17 22:46:00,573 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Ended with exit code 0 [2025-02-17 22:46:00,574 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2025-02-17 22:46:00,585 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-17 22:46:00,589 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-02-17 22:46:00,592 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-02-17 22:46:00,592 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:46:00,592 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-17 22:46:00,593 INFO L256 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-02-17 22:46:00,593 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-17 22:46:00,600 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-02-17 22:46:00,601 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-02-17 22:46:00,601 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:46:00,601 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-17 22:46:00,601 WARN L254 TraceCheckSpWp]: Trace formula consists of 5 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-17 22:46:00,601 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-17 22:46:00,613 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 22:46:00,614 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 22:46:00,614 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 8340 states and 53019 transitions. cyclomatic complexity: 45819 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 22:46:00,742 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2025-02-17 22:46:00,993 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 8340 states and 53019 transitions. cyclomatic complexity: 45819. 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) Result 24658 states and 158357 transitions. Complement of second has 6 states. [2025-02-17 22:46:00,993 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 22:46:00,994 INFO L82 GeneralOperation]: Start removeUnreachable. 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 22:46:00,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 83 transitions. [2025-02-17 22:46:00,994 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 83 transitions. Stem has 4 letters. Loop has 2 letters. [2025-02-17 22:46:00,994 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-17 22:46:00,994 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 83 transitions. Stem has 6 letters. Loop has 2 letters. [2025-02-17 22:46:00,994 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-17 22:46:00,994 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 83 transitions. Stem has 4 letters. Loop has 4 letters. [2025-02-17 22:46:00,994 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-17 22:46:00,995 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 24658 states and 158357 transitions. [2025-02-17 22:46:01,351 INFO L131 ngComponentsAnalysis]: Automaton has 341 accepting balls. 682 [2025-02-17 22:46:01,559 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 24658 states to 13574 states and 87007 transitions. [2025-02-17 22:46:01,559 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 3337 [2025-02-17 22:46:01,571 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 4038 [2025-02-17 22:46:01,572 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13574 states and 87007 transitions. [2025-02-17 22:46:01,572 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2025-02-17 22:46:01,572 INFO L218 hiAutomatonCegarLoop]: Abstraction has 13574 states and 87007 transitions. [2025-02-17 22:46:01,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13574 states and 87007 transitions. [2025-02-17 22:46:02,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13574 to 11854. [2025-02-17 22:46:02,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11854 states, 11854 states have (on average 6.586215623418256) internal successors, (78073), 11853 states have internal predecessors, (78073), 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 22:46:02,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11854 states to 11854 states and 78073 transitions. [2025-02-17 22:46:02,327 INFO L240 hiAutomatonCegarLoop]: Abstraction has 11854 states and 78073 transitions. [2025-02-17 22:46:02,328 INFO L432 stractBuchiCegarLoop]: Abstraction has 11854 states and 78073 transitions. [2025-02-17 22:46:02,328 INFO L338 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2025-02-17 22:46:02,328 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11854 states and 78073 transitions. [2025-02-17 22:46:02,406 INFO L131 ngComponentsAnalysis]: Automaton has 341 accepting balls. 682 [2025-02-17 22:46:02,406 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-17 22:46:02,406 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-17 22:46:02,406 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2025-02-17 22:46:02,407 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2025-02-17 22:46:02,407 INFO L752 eck$LassoCheckResult]: Stem: "[99] $Ultimate##0-->L27: Formula: (= v_thread1Thread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_thidvar0]" "[102] L12-->L36: 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]" "[105] L13-->L45: Formula: (and (= 3 v_thread3Thread1of1ForFork2_thidvar0_2) (= 3 v_thread3Thread1of1ForFork2_thidvar1_2) (= 3 v_thread3Thread1of1ForFork2_thidvar2_2)) InVars {} OutVars{thread3Thread1of1ForFork2_thidvar2=v_thread3Thread1of1ForFork2_thidvar2_2, thread3Thread1of1ForFork2_thidvar1=v_thread3Thread1of1ForFork2_thidvar1_2, thread3Thread1of1ForFork2_thidvar0=v_thread3Thread1of1ForFork2_thidvar0_2} AuxVars[] AssignedVars[thread3Thread1of1ForFork2_thidvar2, thread3Thread1of1ForFork2_thidvar1, thread3Thread1of1ForFork2_thidvar0]" "[108] L14-->L54: Formula: (and (= v_thread4Thread1of1ForFork3_thidvar2_2 4) (= v_thread4Thread1of1ForFork3_thidvar3_2 4) (= v_thread4Thread1of1ForFork3_thidvar0_2 4) (= v_thread4Thread1of1ForFork3_thidvar1_2 4)) InVars {} OutVars{thread4Thread1of1ForFork3_thidvar1=v_thread4Thread1of1ForFork3_thidvar1_2, thread4Thread1of1ForFork3_thidvar0=v_thread4Thread1of1ForFork3_thidvar0_2, thread4Thread1of1ForFork3_thidvar3=v_thread4Thread1of1ForFork3_thidvar3_2, thread4Thread1of1ForFork3_thidvar2=v_thread4Thread1of1ForFork3_thidvar2_2} AuxVars[] AssignedVars[thread4Thread1of1ForFork3_thidvar1, thread4Thread1of1ForFork3_thidvar0, thread4Thread1of1ForFork3_thidvar3, thread4Thread1of1ForFork3_thidvar2]" "[111] L15-->L63: Formula: (and (= v_thread5Thread1of1ForFork4_thidvar4_2 5) (= v_thread5Thread1of1ForFork4_thidvar1_2 5) (= v_thread5Thread1of1ForFork4_thidvar0_2 5) (= v_thread5Thread1of1ForFork4_thidvar3_2 5) (= v_thread5Thread1of1ForFork4_thidvar2_2 5)) InVars {} OutVars{thread5Thread1of1ForFork4_thidvar0=v_thread5Thread1of1ForFork4_thidvar0_2, thread5Thread1of1ForFork4_thidvar1=v_thread5Thread1of1ForFork4_thidvar1_2, thread5Thread1of1ForFork4_thidvar2=v_thread5Thread1of1ForFork4_thidvar2_2, thread5Thread1of1ForFork4_thidvar3=v_thread5Thread1of1ForFork4_thidvar3_2, thread5Thread1of1ForFork4_thidvar4=v_thread5Thread1of1ForFork4_thidvar4_2} AuxVars[] AssignedVars[thread5Thread1of1ForFork4_thidvar0, thread5Thread1of1ForFork4_thidvar1, thread5Thread1of1ForFork4_thidvar2, thread5Thread1of1ForFork4_thidvar3, thread5Thread1of1ForFork4_thidvar4]" [2025-02-17 22:46:02,407 INFO L754 eck$LassoCheckResult]: Loop: "[94] L63-->L65: Formula: (< v_x5_1 v_z_9) InVars {x5=v_x5_1, z=v_z_9} OutVars{x5=v_x5_1, z=v_z_9} AuxVars[] AssignedVars[]" "[96] L65-->L63: Formula: (= v_x5_2 (+ v_x5_3 1)) InVars {x5=v_x5_3} OutVars{x5=v_x5_2} AuxVars[] AssignedVars[x5]" [2025-02-17 22:46:02,408 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-17 22:46:02,408 INFO L85 PathProgramCache]: Analyzing trace with hash 123200776, now seen corresponding path program 1 times [2025-02-17 22:46:02,408 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-17 22:46:02,408 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1855411214] [2025-02-17 22:46:02,408 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-17 22:46:02,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-17 22:46:02,412 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-02-17 22:46:02,416 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-02-17 22:46:02,416 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:46:02,416 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:46:02,416 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-17 22:46:02,418 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-02-17 22:46:02,419 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-02-17 22:46:02,421 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:46:02,421 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:46:02,422 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-17 22:46:02,422 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-17 22:46:02,423 INFO L85 PathProgramCache]: Analyzing trace with hash 3971, now seen corresponding path program 1 times [2025-02-17 22:46:02,423 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-17 22:46:02,423 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1855593091] [2025-02-17 22:46:02,423 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-17 22:46:02,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-17 22:46:02,426 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-02-17 22:46:02,428 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-02-17 22:46:02,428 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:46:02,428 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:46:02,428 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-17 22:46:02,429 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-02-17 22:46:02,430 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-02-17 22:46:02,430 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:46:02,430 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:46:02,431 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-17 22:46:02,431 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-17 22:46:02,437 INFO L85 PathProgramCache]: Analyzing trace with hash -1863135542, now seen corresponding path program 1 times [2025-02-17 22:46:02,437 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-17 22:46:02,437 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1969738004] [2025-02-17 22:46:02,437 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-17 22:46:02,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-17 22:46:02,439 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-02-17 22:46:02,446 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-02-17 22:46:02,447 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:46:02,447 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:46:02,447 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-17 22:46:02,448 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-02-17 22:46:02,457 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-02-17 22:46:02,457 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:46:02,457 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:46:02,459 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-17 22:46:02,492 INFO L204 LassoAnalysis]: Preferences: [2025-02-17 22:46:02,492 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-02-17 22:46:02,492 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-02-17 22:46:02,492 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-02-17 22:46:02,492 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2025-02-17 22:46:02,492 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:46:02,492 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-02-17 22:46:02,492 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-02-17 22:46:02,492 INFO L132 ssoRankerPreferences]: Filename of dumped script: indep_loops_5.c.bpl_petrified1_Iteration5_Loop [2025-02-17 22:46:02,492 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-02-17 22:46:02,492 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-02-17 22:46:02,493 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:46:02,505 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-02-17 22:46:02,505 INFO L365 LassoAnalysis]: Checking for nontermination... [2025-02-17 22:46:02,505 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:46:02,506 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:46:02,508 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:46:02,509 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2025-02-17 22:46:02,510 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-02-17 22:46:02,510 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-17 22:46:02,526 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2025-02-17 22:46:02,526 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:46:02,526 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:46:02,528 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:46:02,529 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2025-02-17 22:46:02,531 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2025-02-17 22:46:02,531 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-17 22:46:02,597 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2025-02-17 22:46:02,601 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2025-02-17 22:46:02,601 INFO L204 LassoAnalysis]: Preferences: [2025-02-17 22:46:02,601 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-02-17 22:46:02,601 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-02-17 22:46:02,601 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-02-17 22:46:02,601 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2025-02-17 22:46:02,601 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:46:02,601 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-02-17 22:46:02,601 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-02-17 22:46:02,601 INFO L132 ssoRankerPreferences]: Filename of dumped script: indep_loops_5.c.bpl_petrified1_Iteration5_Loop [2025-02-17 22:46:02,601 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-02-17 22:46:02,601 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-02-17 22:46:02,602 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:46:02,617 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-02-17 22:46:02,617 INFO L451 LassoAnalysis]: Using template 'affine'. [2025-02-17 22:46:02,617 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:46:02,617 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:46:02,619 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:46:02,621 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2025-02-17 22:46:02,622 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 22:46:02,631 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-17 22:46:02,632 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-17 22:46:02,632 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-17 22:46:02,632 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-17 22:46:02,632 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-17 22:46:02,633 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-17 22:46:02,633 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-17 22:46:02,634 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2025-02-17 22:46:02,636 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2025-02-17 22:46:02,636 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 0 variables to zero. [2025-02-17 22:46:02,636 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:46:02,636 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:46:02,638 INFO L229 MonitoredProcess]: Starting monitored process 21 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 22:46:02,640 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2025-02-17 22:46:02,641 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2025-02-17 22:46:02,641 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2025-02-17 22:46:02,641 INFO L474 LassoAnalysis]: Proved termination. [2025-02-17 22:46:02,641 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(z, x5) = 1*z - 1*x5 Supporting invariants [] [2025-02-17 22:46:02,647 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2025-02-17 22:46:02,648 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2025-02-17 22:46:02,658 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-17 22:46:02,662 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-02-17 22:46:02,665 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-02-17 22:46:02,665 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:46:02,665 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-17 22:46:02,666 INFO L256 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-02-17 22:46:02,666 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-17 22:46:02,674 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-02-17 22:46:02,675 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-02-17 22:46:02,675 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:46:02,675 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-17 22:46:02,675 WARN L254 TraceCheckSpWp]: Trace formula consists of 5 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-17 22:46:02,675 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-17 22:46:02,685 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 22:46:02,686 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 22:46:02,687 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 11854 states and 78073 transitions. cyclomatic complexity: 67571 Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 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 22:46:02,843 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Ended with exit code 0 [2025-02-17 22:46:03,069 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 11854 states and 78073 transitions. cyclomatic complexity: 67571. Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 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 29125 states and 188284 transitions. Complement of second has 6 states. [2025-02-17 22:46:03,069 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 22:46:03,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 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 22:46:03,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 84 transitions. [2025-02-17 22:46:03,070 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 84 transitions. Stem has 5 letters. Loop has 2 letters. [2025-02-17 22:46:03,070 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-17 22:46:03,070 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 84 transitions. Stem has 7 letters. Loop has 2 letters. [2025-02-17 22:46:03,070 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-17 22:46:03,070 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 84 transitions. Stem has 5 letters. Loop has 4 letters. [2025-02-17 22:46:03,070 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-17 22:46:03,070 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 29125 states and 188284 transitions. [2025-02-17 22:46:03,416 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2025-02-17 22:46:03,416 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 29125 states to 0 states and 0 transitions. [2025-02-17 22:46:03,416 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2025-02-17 22:46:03,416 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2025-02-17 22:46:03,416 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2025-02-17 22:46:03,416 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2025-02-17 22:46:03,416 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-02-17 22:46:03,416 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-02-17 22:46:03,416 INFO L432 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-02-17 22:46:03,416 INFO L338 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2025-02-17 22:46:03,417 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2025-02-17 22:46:03,417 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2025-02-17 22:46:03,417 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2025-02-17 22:46:03,422 INFO L201 PluginConnector]: Adding new model indep_loops_5.c.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 17.02 10:46:03 BoogieIcfgContainer [2025-02-17 22:46:03,423 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2025-02-17 22:46:03,423 INFO L158 Benchmark]: Toolchain (without parser) took 7634.67ms. Allocated memory was 159.4MB in the beginning and 1.0GB in the end (delta: 843.1MB). Free memory was 84.8MB in the beginning and 325.1MB in the end (delta: -240.2MB). Peak memory consumption was 600.0MB. Max. memory is 8.0GB. [2025-02-17 22:46:03,423 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.82ms. Allocated memory is still 159.4MB. Free memory was 85.8MB in the beginning and 85.6MB in the end (delta: 199.4kB). There was no memory consumed. Max. memory is 8.0GB. [2025-02-17 22:46:03,423 INFO L158 Benchmark]: Boogie Procedure Inliner took 20.07ms. Allocated memory is still 159.4MB. Free memory was 84.8MB in the beginning and 83.5MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 8.0GB. [2025-02-17 22:46:03,424 INFO L158 Benchmark]: Boogie Preprocessor took 13.52ms. Allocated memory is still 159.4MB. Free memory was 83.5MB in the beginning and 82.8MB in the end (delta: 624.8kB). There was no memory consumed. Max. memory is 8.0GB. [2025-02-17 22:46:03,424 INFO L158 Benchmark]: RCFGBuilder took 213.12ms. Allocated memory is still 159.4MB. Free memory was 82.6MB in the beginning and 73.8MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. [2025-02-17 22:46:03,424 INFO L158 Benchmark]: BuchiAutomizer took 7384.42ms. Allocated memory was 159.4MB in the beginning and 1.0GB in the end (delta: 843.1MB). Free memory was 73.6MB in the beginning and 325.1MB in the end (delta: -251.5MB). Peak memory consumption was 591.6MB. Max. memory is 8.0GB. [2025-02-17 22:46:03,425 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 0.82ms. Allocated memory is still 159.4MB. Free memory was 85.8MB in the beginning and 85.6MB in the end (delta: 199.4kB). There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 20.07ms. Allocated memory is still 159.4MB. Free memory was 84.8MB in the beginning and 83.5MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 8.0GB. * Boogie Preprocessor took 13.52ms. Allocated memory is still 159.4MB. Free memory was 83.5MB in the beginning and 82.8MB in the end (delta: 624.8kB). There was no memory consumed. Max. memory is 8.0GB. * RCFGBuilder took 213.12ms. Allocated memory is still 159.4MB. Free memory was 82.6MB in the beginning and 73.8MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. * BuchiAutomizer took 7384.42ms. Allocated memory was 159.4MB in the beginning and 1.0GB in the end (delta: 843.1MB). Free memory was 73.6MB in the beginning and 325.1MB in the end (delta: -251.5MB). Peak memory consumption was 591.6MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 5 terminating modules (0 trivial, 5 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -1 * x1 + z and consists of 4 locations. One deterministic module has affine ranking function z + -1 * x2 and consists of 4 locations. One deterministic module has affine ranking function -1 * x3 + z and consists of 4 locations. One deterministic module has affine ranking function -1 * x4 + z and consists of 4 locations. One deterministic module has affine ranking function -1 * x5 + z and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 7.2s and 6 iterations. TraceHistogramMax:1. Analysis of lassos took 1.3s. Construction of modules took 0.2s. Büchi inclusion checks took 1.6s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 4. Automata minimization 1.6s AutomataMinimizationTime, 4 MinimizatonAttempts, 5337 StatesRemovedByMinimization, 4 NontrivialMinimizations. Non-live state removal took 1.8s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [5, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 275 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 270 mSDsluCounter, 255 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 130 mSDsCounter, 10 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 375 IncrementalHoareTripleChecker+Invalid, 385 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 10 mSolverCounterUnsat, 125 mSDtfsCounter, 375 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT5 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital12 mio100 ax100 hnf100 lsp100 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq150 hnf94 smp100 dnf100 smp100 tf111 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 37ms VariablesStem: 0 VariablesLoop: 3 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 5 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.4s InitialAbstractionConstructionTime: 0.0s InitialAbstraction: - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2025-02-17 22:46:03,436 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request...