/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/3_thr/aaron2_3.c.bpl -------------------------------------------------------------------------------- This is Ultimate 0.3.0-wip.dk.ample-buchi-601be74-m [2025-02-17 22:45:37,377 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-17 22:45:37,442 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/settings/buchiAutomizer/concurrent-automaton-noLbe.epf [2025-02-17 22:45:37,447 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-17 22:45:37,448 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-17 22:45:37,469 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-17 22:45:37,470 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-17 22:45:37,470 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-17 22:45:37,471 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-17 22:45:37,471 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-17 22:45:37,471 INFO L153 SettingsManager]: * Use SBE=true [2025-02-17 22:45:37,471 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2025-02-17 22:45:37,471 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2025-02-17 22:45:37,472 INFO L153 SettingsManager]: * Use old map elimination=false [2025-02-17 22:45:37,472 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2025-02-17 22:45:37,472 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2025-02-17 22:45:37,472 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2025-02-17 22:45:37,472 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-17 22:45:37,472 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2025-02-17 22:45:37,472 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-17 22:45:37,472 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-17 22:45:37,472 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-17 22:45:37,472 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-17 22:45:37,472 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2025-02-17 22:45:37,472 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2025-02-17 22:45:37,472 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2025-02-17 22:45:37,472 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-17 22:45:37,472 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-17 22:45:37,472 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-17 22:45:37,473 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2025-02-17 22:45:37,473 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-17 22:45:37,473 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-02-17 22:45:37,473 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-17 22:45:37,473 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-17 22:45:37,473 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-17 22:45:37,473 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2025-02-17 22:45:37,473 INFO L153 SettingsManager]: * TransformationType=MODULO_NEIGHBOR [2025-02-17 22:45:37,694 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-17 22:45:37,699 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-17 22:45:37,701 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-17 22:45:37,702 INFO L270 PluginConnector]: Initializing Boogie PL CUP Parser... [2025-02-17 22:45:37,702 INFO L274 PluginConnector]: Boogie PL CUP Parser initialized [2025-02-17 22:45:37,703 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/cav23-termute-examples/3_thr/aaron2_3.c.bpl [2025-02-17 22:45:37,703 INFO L110 BoogieParser]: Parsing: '/storage/cav23-termute-examples/3_thr/aaron2_3.c.bpl' [2025-02-17 22:45:37,719 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-17 22:45:37,720 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2025-02-17 22:45:37,721 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-17 22:45:37,721 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-17 22:45:37,721 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-17 22:45:37,729 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "aaron2_3.c.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.02 10:45:37" (1/1) ... [2025-02-17 22:45:37,734 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "aaron2_3.c.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.02 10:45:37" (1/1) ... [2025-02-17 22:45:37,738 INFO L138 Inliner]: procedures = 4, calls = 3, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2025-02-17 22:45:37,739 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-17 22:45:37,739 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-17 22:45:37,739 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-17 22:45:37,739 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-17 22:45:37,744 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "aaron2_3.c.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.02 10:45:37" (1/1) ... [2025-02-17 22:45:37,744 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "aaron2_3.c.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.02 10:45:37" (1/1) ... [2025-02-17 22:45:37,745 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "aaron2_3.c.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.02 10:45:37" (1/1) ... [2025-02-17 22:45:37,745 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "aaron2_3.c.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.02 10:45:37" (1/1) ... [2025-02-17 22:45:37,747 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "aaron2_3.c.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.02 10:45:37" (1/1) ... [2025-02-17 22:45:37,748 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "aaron2_3.c.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.02 10:45:37" (1/1) ... [2025-02-17 22:45:37,751 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "aaron2_3.c.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.02 10:45:37" (1/1) ... [2025-02-17 22:45:37,752 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "aaron2_3.c.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.02 10:45:37" (1/1) ... [2025-02-17 22:45:37,752 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "aaron2_3.c.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.02 10:45:37" (1/1) ... [2025-02-17 22:45:37,755 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-17 22:45:37,755 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-02-17 22:45:37,755 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-02-17 22:45:37,755 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-02-17 22:45:37,756 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "aaron2_3.c.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.02 10:45:37" (1/1) ... [2025-02-17 22:45:37,762 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:45:37,770 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:45:37,822 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 22:45:37,825 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 22:45:37,841 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2025-02-17 22:45:37,841 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2025-02-17 22:45:37,841 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2025-02-17 22:45:37,841 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2025-02-17 22:45:37,842 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2025-02-17 22:45:37,842 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2025-02-17 22:45:37,842 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2025-02-17 22:45:37,842 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2025-02-17 22:45:37,842 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2025-02-17 22:45:37,842 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2025-02-17 22:45:37,842 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-17 22:45:37,842 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-17 22:45:37,842 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 22:45:37,877 INFO L234 CfgBuilder]: Building ICFG [2025-02-17 22:45:37,878 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-17 22:45:37,947 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-02-17 22:45:37,948 INFO L283 CfgBuilder]: Performing block encoding [2025-02-17 22:45:37,954 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-17 22:45:37,954 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-17 22:45:37,955 INFO L201 PluginConnector]: Adding new model aaron2_3.c.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.02 10:45:37 BoogieIcfgContainer [2025-02-17 22:45:37,955 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-02-17 22:45:37,955 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2025-02-17 22:45:37,955 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2025-02-17 22:45:37,959 INFO L274 PluginConnector]: BuchiAutomizer initialized [2025-02-17 22:45:37,959 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-02-17 22:45:37,959 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "aaron2_3.c.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.02 10:45:37" (1/2) ... [2025-02-17 22:45:37,960 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6779f8d9 and model type aaron2_3.c.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 17.02 10:45:37, skipping insertion in model container [2025-02-17 22:45:37,960 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-02-17 22:45:37,960 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "aaron2_3.c.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.02 10:45:37" (2/2) ... [2025-02-17 22:45:37,961 INFO L363 chiAutomizerObserver]: Analyzing ICFG aaron2_3.c.bpl [2025-02-17 22:45:38,016 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2025-02-17 22:45:38,053 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 32 places, 31 transitions, 83 flow [2025-02-17 22:45:38,072 INFO L124 PetriNetUnfolderBase]: 6/25 cut-off events. [2025-02-17 22:45:38,074 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2025-02-17 22:45:38,078 INFO L83 FinitePrefix]: Finished finitePrefix Result has 38 conditions, 25 events. 6/25 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 42 event pairs, 0 based on Foata normal form. 0/19 useless extension candidates. Maximal degree in co-relation 24. Up to 3 conditions per place. [2025-02-17 22:45:38,078 INFO L82 GeneralOperation]: Start removeDead. Operand has 32 places, 31 transitions, 83 flow [2025-02-17 22:45:38,081 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 29 places, 25 transitions, 68 flow [2025-02-17 22:45:38,088 INFO L306 stractBuchiCegarLoop]: Interprodecural is true [2025-02-17 22:45:38,088 INFO L307 stractBuchiCegarLoop]: Hoare is None [2025-02-17 22:45:38,088 INFO L308 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2025-02-17 22:45:38,089 INFO L309 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2025-02-17 22:45:38,089 INFO L310 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2025-02-17 22:45:38,089 INFO L311 stractBuchiCegarLoop]: Difference is false [2025-02-17 22:45:38,089 INFO L312 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2025-02-17 22:45:38,089 INFO L316 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2025-02-17 22:45:38,090 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand currently 0 states, but on-demand construction may add more states [2025-02-17 22:45:38,143 INFO L131 ngComponentsAnalysis]: Automaton has 53 accepting balls. 134 [2025-02-17 22:45:38,144 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-17 22:45:38,144 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-17 22:45:38,147 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2025-02-17 22:45:38,147 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2025-02-17 22:45:38,147 INFO L338 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2025-02-17 22:45:38,147 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand currently 187 states, but on-demand construction may add more states [2025-02-17 22:45:38,153 INFO L131 ngComponentsAnalysis]: Automaton has 53 accepting balls. 134 [2025-02-17 22:45:38,153 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-17 22:45:38,154 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-17 22:45:38,154 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2025-02-17 22:45:38,154 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2025-02-17 22:45:38,159 INFO L752 eck$LassoCheckResult]: Stem: "[94] $Ultimate##0-->$Ultimate##0: Formula: (= v_thread1Thread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_thidvar0]" "[74] $Ultimate##0-->L24-2: Formula: (<= 0 v_tx_1) InVars {tx=v_tx_1} OutVars{tx=v_tx_1} AuxVars[] AssignedVars[]" [2025-02-17 22:45:38,160 INFO L754 eck$LassoCheckResult]: Loop: "[76] L24-2-->L24: Formula: (<= v_y1_1 v_x_1) InVars {y1=v_y1_1, x=v_x_1} OutVars{y1=v_y1_1, x=v_x_1} AuxVars[] AssignedVars[]" "[78] L24-->L24-2: Formula: (= v_x_3 (+ v_tx_2 v_x_2 1)) InVars {tx=v_tx_2, x=v_x_3} OutVars{tx=v_tx_2, x=v_x_2} AuxVars[] AssignedVars[x]" [2025-02-17 22:45:38,164 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-17 22:45:38,164 INFO L85 PathProgramCache]: Analyzing trace with hash 3949, now seen corresponding path program 1 times [2025-02-17 22:45:38,169 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-17 22:45:38,170 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1857702241] [2025-02-17 22:45:38,170 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-17 22:45:38,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-17 22:45:38,209 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-02-17 22:45:38,215 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-02-17 22:45:38,215 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:45:38,215 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:45:38,215 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-17 22:45:38,217 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-02-17 22:45:38,218 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-02-17 22:45:38,218 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:45:38,218 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:45:38,229 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-17 22:45:38,234 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-17 22:45:38,234 INFO L85 PathProgramCache]: Analyzing trace with hash 3395, now seen corresponding path program 1 times [2025-02-17 22:45:38,234 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-17 22:45:38,234 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [239176607] [2025-02-17 22:45:38,234 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-17 22:45:38,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-17 22:45:38,237 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-02-17 22:45:38,242 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-02-17 22:45:38,243 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:45:38,243 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:45:38,243 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-17 22:45:38,247 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-02-17 22:45:38,248 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-02-17 22:45:38,248 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:45:38,248 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:45:38,251 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-17 22:45:38,253 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-17 22:45:38,254 INFO L85 PathProgramCache]: Analyzing trace with hash 3797423, now seen corresponding path program 1 times [2025-02-17 22:45:38,254 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-17 22:45:38,254 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1645456949] [2025-02-17 22:45:38,254 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-17 22:45:38,255 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-17 22:45:38,259 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-02-17 22:45:38,261 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-02-17 22:45:38,261 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:45:38,261 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:45:38,261 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-17 22:45:38,265 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-02-17 22:45:38,267 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-02-17 22:45:38,267 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:45:38,267 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:45:38,272 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-17 22:45:38,337 INFO L204 LassoAnalysis]: Preferences: [2025-02-17 22:45:38,338 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-02-17 22:45:38,338 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-02-17 22:45:38,338 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-02-17 22:45:38,338 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2025-02-17 22:45:38,338 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:45:38,338 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-02-17 22:45:38,338 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-02-17 22:45:38,338 INFO L132 ssoRankerPreferences]: Filename of dumped script: aaron2_3.c.bpl_petrified1_Iteration1_Lasso [2025-02-17 22:45:38,339 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-02-17 22:45:38,339 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-02-17 22:45:38,349 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:45:38,360 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:45:38,416 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-02-17 22:45:38,416 INFO L365 LassoAnalysis]: Checking for nontermination... [2025-02-17 22:45:38,418 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:45:38,418 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:45:38,420 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 22:45:38,422 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 22:45:38,423 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-02-17 22:45:38,423 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-17 22:45:38,438 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-02-17 22:45:38,438 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {thread1Thread1of1ForFork0_thidvar0=0} Honda state: {thread1Thread1of1ForFork0_thidvar0=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-02-17 22:45:38,444 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 22:45:38,446 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:45:38,446 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:45:38,471 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 22:45:38,472 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 22:45:38,473 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-02-17 22:45:38,473 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-17 22:45:38,494 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2025-02-17 22:45:38,494 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:45:38,494 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:45:38,496 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 22:45:38,496 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 22:45:38,497 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2025-02-17 22:45:38,497 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-17 22:45:38,617 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2025-02-17 22:45:38,622 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2025-02-17 22:45:38,622 INFO L204 LassoAnalysis]: Preferences: [2025-02-17 22:45:38,622 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-02-17 22:45:38,622 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-02-17 22:45:38,622 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-02-17 22:45:38,622 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2025-02-17 22:45:38,623 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:45:38,623 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-02-17 22:45:38,623 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-02-17 22:45:38,623 INFO L132 ssoRankerPreferences]: Filename of dumped script: aaron2_3.c.bpl_petrified1_Iteration1_Lasso [2025-02-17 22:45:38,623 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-02-17 22:45:38,623 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-02-17 22:45:38,625 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:45:38,635 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:45:38,667 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-02-17 22:45:38,670 INFO L451 LassoAnalysis]: Using template 'affine'. [2025-02-17 22:45:38,671 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:45:38,671 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:45:38,673 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 22:45:38,675 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 22:45:38,676 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-17 22:45:38,689 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-17 22:45:38,689 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-17 22:45:38,689 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-17 22:45:38,689 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-17 22:45:38,697 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-17 22:45:38,698 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-17 22:45:38,706 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2025-02-17 22:45:38,714 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2025-02-17 22:45:38,714 INFO L444 ModelExtractionUtils]: 6 out of 13 variables were initially zero. Simplification set additionally 2 variables to zero. [2025-02-17 22:45:38,715 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:45:38,715 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:45:38,718 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 22:45:38,720 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 22:45:38,720 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2025-02-17 22:45:38,733 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2025-02-17 22:45:38,734 INFO L474 LassoAnalysis]: Proved termination. [2025-02-17 22:45:38,734 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(x, y1) = 2*x - 2*y1 + 1 Supporting invariants [1*tx >= 0] [2025-02-17 22:45:38,739 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2025-02-17 22:45:38,754 INFO L156 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2025-02-17 22:45:38,791 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-17 22:45:38,799 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-02-17 22:45:38,800 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-02-17 22:45:38,800 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:45:38,800 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-17 22:45:38,801 WARN L254 TraceCheckSpWp]: Trace formula consists of 5 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-02-17 22:45:38,801 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-17 22:45:38,813 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-02-17 22:45:38,814 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-02-17 22:45:38,814 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:45:38,814 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-17 22:45:38,836 WARN L254 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-17 22:45:38,837 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-17 22:45:38,850 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 22:45:38,865 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 22:45:38,911 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 22:45:38,913 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand currently 187 states, but on-demand construction may add more states 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 22:45:39,087 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand currently 187 states, but on-demand construction may add more states. 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 581 states and 2381 transitions. Complement of second has 6 states. [2025-02-17 22:45:39,089 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 22:45:39,093 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 22:45:39,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 73 transitions. [2025-02-17 22:45:39,098 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 73 transitions. Stem has 2 letters. Loop has 2 letters. [2025-02-17 22:45:39,099 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-17 22:45:39,099 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 73 transitions. Stem has 4 letters. Loop has 2 letters. [2025-02-17 22:45:39,099 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-17 22:45:39,099 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 73 transitions. Stem has 2 letters. Loop has 4 letters. [2025-02-17 22:45:39,104 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-17 22:45:39,105 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 581 states and 2381 transitions. [2025-02-17 22:45:39,122 INFO L131 ngComponentsAnalysis]: Automaton has 56 accepting balls. 126 [2025-02-17 22:45:39,134 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 581 states to 420 states and 1768 transitions. [2025-02-17 22:45:39,135 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 207 [2025-02-17 22:45:39,137 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 306 [2025-02-17 22:45:39,137 INFO L73 IsDeterministic]: Start isDeterministic. Operand 420 states and 1768 transitions. [2025-02-17 22:45:39,137 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2025-02-17 22:45:39,137 INFO L218 hiAutomatonCegarLoop]: Abstraction has 420 states and 1768 transitions. [2025-02-17 22:45:39,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 420 states and 1768 transitions. [2025-02-17 22:45:39,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 420 to 324. [2025-02-17 22:45:39,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 324 states, 324 states have (on average 4.407407407407407) internal successors, (1428), 323 states have internal predecessors, (1428), 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 22:45:39,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 324 states and 1428 transitions. [2025-02-17 22:45:39,174 INFO L240 hiAutomatonCegarLoop]: Abstraction has 324 states and 1428 transitions. [2025-02-17 22:45:39,174 INFO L432 stractBuchiCegarLoop]: Abstraction has 324 states and 1428 transitions. [2025-02-17 22:45:39,174 INFO L338 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2025-02-17 22:45:39,174 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 324 states and 1428 transitions. [2025-02-17 22:45:39,177 INFO L131 ngComponentsAnalysis]: Automaton has 56 accepting balls. 126 [2025-02-17 22:45:39,177 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-17 22:45:39,177 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-17 22:45:39,178 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2025-02-17 22:45:39,178 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2025-02-17 22:45:39,178 INFO L752 eck$LassoCheckResult]: Stem: "[94] $Ultimate##0-->$Ultimate##0: Formula: (= v_thread1Thread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_thidvar0]" "[97] L10-->$Ultimate##0: 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]" "[80] $Ultimate##0-->L41-2: Formula: (<= 0 v_tx_6) InVars {tx=v_tx_6} OutVars{tx=v_tx_6} AuxVars[] AssignedVars[]" [2025-02-17 22:45:39,178 INFO L754 eck$LassoCheckResult]: Loop: "[82] L41-2-->L41: Formula: (<= v_y2_1 v_x_5) InVars {x=v_x_5, y2=v_y2_1} OutVars{x=v_x_5, y2=v_y2_1} AuxVars[] AssignedVars[]" "[84] L41-->L41-2: Formula: (= (+ v_tx_4 v_x_6 1) v_x_7) InVars {tx=v_tx_4, x=v_x_7} OutVars{tx=v_tx_4, x=v_x_6} AuxVars[] AssignedVars[x]" [2025-02-17 22:45:39,179 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-17 22:45:39,179 INFO L85 PathProgramCache]: Analyzing trace with hash 123212, now seen corresponding path program 1 times [2025-02-17 22:45:39,179 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-17 22:45:39,179 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1673208748] [2025-02-17 22:45:39,179 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-17 22:45:39,179 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-17 22:45:39,183 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-17 22:45:39,184 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-17 22:45:39,184 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:45:39,184 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:45:39,184 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-17 22:45:39,185 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-17 22:45:39,186 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-17 22:45:39,186 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:45:39,186 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:45:39,188 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-17 22:45:39,188 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-17 22:45:39,188 INFO L85 PathProgramCache]: Analyzing trace with hash 3587, now seen corresponding path program 1 times [2025-02-17 22:45:39,188 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-17 22:45:39,188 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2102314911] [2025-02-17 22:45:39,189 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-17 22:45:39,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-17 22:45:39,190 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-02-17 22:45:39,191 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-02-17 22:45:39,191 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:45:39,191 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:45:39,191 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-17 22:45:39,192 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-02-17 22:45:39,192 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-02-17 22:45:39,192 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:45:39,192 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:45:39,193 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-17 22:45:39,193 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-17 22:45:39,193 INFO L85 PathProgramCache]: Analyzing trace with hash 118409358, now seen corresponding path program 1 times [2025-02-17 22:45:39,194 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-17 22:45:39,194 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1593091671] [2025-02-17 22:45:39,194 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-17 22:45:39,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-17 22:45:39,195 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-02-17 22:45:39,197 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-02-17 22:45:39,197 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:45:39,197 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:45:39,197 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-17 22:45:39,198 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-02-17 22:45:39,199 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-02-17 22:45:39,199 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:45:39,199 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:45:39,201 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-17 22:45:39,237 INFO L204 LassoAnalysis]: Preferences: [2025-02-17 22:45:39,237 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-02-17 22:45:39,237 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-02-17 22:45:39,237 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-02-17 22:45:39,237 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2025-02-17 22:45:39,237 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:45:39,237 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-02-17 22:45:39,237 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-02-17 22:45:39,237 INFO L132 ssoRankerPreferences]: Filename of dumped script: aaron2_3.c.bpl_petrified1_Iteration2_Lasso [2025-02-17 22:45:39,237 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-02-17 22:45:39,237 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-02-17 22:45:39,238 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:45:39,242 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:45:39,245 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:45:39,252 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:45:39,295 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-02-17 22:45:39,295 INFO L365 LassoAnalysis]: Checking for nontermination... [2025-02-17 22:45:39,295 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:45:39,295 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:45:39,298 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 22:45:39,299 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 22:45:39,300 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-02-17 22:45:39,300 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-17 22:45:39,310 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-02-17 22:45:39,311 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {thread1Thread1of1ForFork0_thidvar0=0} Honda state: {thread1Thread1of1ForFork0_thidvar0=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-02-17 22:45:39,315 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 22:45:39,317 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:45:39,317 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:45:39,318 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 22:45:39,319 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 22:45:39,320 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-02-17 22:45:39,320 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-17 22:45:39,331 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-02-17 22:45:39,331 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {thread2Thread1of1ForFork1_thidvar0=0} Honda state: {thread2Thread1of1ForFork1_thidvar0=2} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-02-17 22:45:39,336 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2025-02-17 22:45:39,336 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:45:39,336 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:45:39,338 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 22:45:39,339 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 22:45:39,339 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-02-17 22:45:39,339 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-17 22:45:39,355 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2025-02-17 22:45:39,355 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:45:39,356 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:45:39,357 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 22:45:39,358 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 22:45:39,359 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2025-02-17 22:45:39,359 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-17 22:45:39,486 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2025-02-17 22:45:39,491 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 22:45:39,491 INFO L204 LassoAnalysis]: Preferences: [2025-02-17 22:45:39,491 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-02-17 22:45:39,491 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-02-17 22:45:39,491 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-02-17 22:45:39,491 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2025-02-17 22:45:39,491 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:45:39,491 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-02-17 22:45:39,491 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-02-17 22:45:39,491 INFO L132 ssoRankerPreferences]: Filename of dumped script: aaron2_3.c.bpl_petrified1_Iteration2_Lasso [2025-02-17 22:45:39,491 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-02-17 22:45:39,491 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-02-17 22:45:39,492 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:45:39,496 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:45:39,504 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:45:39,507 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:45:39,543 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-02-17 22:45:39,543 INFO L451 LassoAnalysis]: Using template 'affine'. [2025-02-17 22:45:39,543 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:45:39,543 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:45:39,546 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 22:45:39,547 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 22:45:39,548 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 22:45:39,558 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-17 22:45:39,558 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-17 22:45:39,558 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-17 22:45:39,558 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-17 22:45:39,563 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-17 22:45:39,563 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-17 22:45:39,566 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-17 22:45:39,571 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2025-02-17 22:45:39,571 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:45:39,571 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:45:39,573 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 22:45:39,574 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 22:45:39,574 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 22:45:39,583 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-17 22:45:39,584 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-17 22:45:39,584 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-17 22:45:39,584 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-17 22:45:39,586 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-17 22:45:39,586 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-17 22:45:39,591 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2025-02-17 22:45:39,596 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2025-02-17 22:45:39,597 INFO L444 ModelExtractionUtils]: 6 out of 13 variables were initially zero. Simplification set additionally 2 variables to zero. [2025-02-17 22:45:39,597 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:45:39,597 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:45:39,599 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 22:45:39,601 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 22:45:39,602 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2025-02-17 22:45:39,613 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2025-02-17 22:45:39,613 INFO L474 LassoAnalysis]: Proved termination. [2025-02-17 22:45:39,613 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(x, y2) = 2*x - 2*y2 + 1 Supporting invariants [1*tx >= 0] [2025-02-17 22:45:39,618 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2025-02-17 22:45:39,625 INFO L156 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2025-02-17 22:45:39,648 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-17 22:45:39,651 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-17 22:45:39,652 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-17 22:45:39,652 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:45:39,652 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-17 22:45:39,652 INFO L256 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-02-17 22:45:39,652 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-17 22:45:39,657 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-02-17 22:45:39,658 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-02-17 22:45:39,658 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:45:39,658 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-17 22:45:39,659 WARN L254 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-17 22:45:39,659 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-17 22:45:39,679 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 22:45:39,680 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 22:45:39,680 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 324 states and 1428 transitions. cyclomatic complexity: 1177 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 22:45:39,800 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 324 states and 1428 transitions. cyclomatic complexity: 1177. 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 1265 states and 6353 transitions. Complement of second has 6 states. [2025-02-17 22:45:39,800 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 22:45:39,801 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 22:45:39,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 71 transitions. [2025-02-17 22:45:39,801 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 71 transitions. Stem has 3 letters. Loop has 2 letters. [2025-02-17 22:45:39,801 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-17 22:45:39,801 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 71 transitions. Stem has 5 letters. Loop has 2 letters. [2025-02-17 22:45:39,801 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-17 22:45:39,801 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 71 transitions. Stem has 3 letters. Loop has 4 letters. [2025-02-17 22:45:39,802 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-17 22:45:39,802 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1265 states and 6353 transitions. [2025-02-17 22:45:39,820 INFO L131 ngComponentsAnalysis]: Automaton has 43 accepting balls. 86 [2025-02-17 22:45:39,832 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1265 states to 768 states and 3947 transitions. [2025-02-17 22:45:39,833 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 249 [2025-02-17 22:45:39,835 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 345 [2025-02-17 22:45:39,835 INFO L73 IsDeterministic]: Start isDeterministic. Operand 768 states and 3947 transitions. [2025-02-17 22:45:39,835 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2025-02-17 22:45:39,836 INFO L218 hiAutomatonCegarLoop]: Abstraction has 768 states and 3947 transitions. [2025-02-17 22:45:39,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 768 states and 3947 transitions. [2025-02-17 22:45:39,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 768 to 612. [2025-02-17 22:45:39,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 612 states, 612 states have (on average 5.388888888888889) internal successors, (3298), 611 states have internal predecessors, (3298), 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 22:45:39,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 612 states to 612 states and 3298 transitions. [2025-02-17 22:45:39,879 INFO L240 hiAutomatonCegarLoop]: Abstraction has 612 states and 3298 transitions. [2025-02-17 22:45:39,881 INFO L432 stractBuchiCegarLoop]: Abstraction has 612 states and 3298 transitions. [2025-02-17 22:45:39,881 INFO L338 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2025-02-17 22:45:39,881 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 612 states and 3298 transitions. [2025-02-17 22:45:39,885 INFO L131 ngComponentsAnalysis]: Automaton has 43 accepting balls. 86 [2025-02-17 22:45:39,885 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-17 22:45:39,885 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-17 22:45:39,885 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2025-02-17 22:45:39,885 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2025-02-17 22:45:39,886 INFO L752 eck$LassoCheckResult]: Stem: "[94] $Ultimate##0-->$Ultimate##0: Formula: (= v_thread1Thread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_thidvar0]" "[97] L10-->$Ultimate##0: Formula: (and (= 2 v_thread2Thread1of1ForFork1_thidvar1_2) (= 2 v_thread2Thread1of1ForFork1_thidvar0_2)) InVars {} OutVars{thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_2, thread2Thread1of1ForFork1_thidvar1=v_thread2Thread1of1ForFork1_thidvar1_2} AuxVars[] AssignedVars[thread2Thread1of1ForFork1_thidvar0, thread2Thread1of1ForFork1_thidvar1]" "[100] L11-->$Ultimate##0: 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]" "[86] $Ultimate##0-->L58-2: Formula: (<= 0 v_tx_9) InVars {tx=v_tx_9} OutVars{tx=v_tx_9} AuxVars[] AssignedVars[]" [2025-02-17 22:45:39,886 INFO L754 eck$LassoCheckResult]: Loop: "[88] L58-2-->L58: Formula: (<= v_y3_1 v_x_9) InVars {x=v_x_9, y3=v_y3_1} OutVars{x=v_x_9, y3=v_y3_1} AuxVars[] AssignedVars[]" "[90] L58-->L58-2: Formula: (= v_x_11 (+ v_tx_7 v_x_10 1)) InVars {tx=v_tx_7, x=v_x_11} OutVars{tx=v_tx_7, x=v_x_10} AuxVars[] AssignedVars[x]" [2025-02-17 22:45:39,886 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-17 22:45:39,887 INFO L85 PathProgramCache]: Analyzing trace with hash 3820278, now seen corresponding path program 1 times [2025-02-17 22:45:39,887 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-17 22:45:39,887 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1287343535] [2025-02-17 22:45:39,887 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-17 22:45:39,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-17 22:45:39,891 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-02-17 22:45:39,892 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-02-17 22:45:39,892 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:45:39,892 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:45:39,892 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-17 22:45:39,893 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-02-17 22:45:39,891 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2025-02-17 22:45:39,895 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-02-17 22:45:39,895 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:45:39,895 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:45:39,896 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-17 22:45:39,896 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-17 22:45:39,896 INFO L85 PathProgramCache]: Analyzing trace with hash 3779, now seen corresponding path program 1 times [2025-02-17 22:45:39,896 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-17 22:45:39,896 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1210346305] [2025-02-17 22:45:39,896 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-17 22:45:39,897 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-17 22:45:39,898 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-02-17 22:45:39,900 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-02-17 22:45:39,900 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:45:39,900 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:45:39,900 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-17 22:45:39,901 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-02-17 22:45:39,902 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-02-17 22:45:39,902 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:45:39,902 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:45:39,903 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-17 22:45:39,903 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-17 22:45:39,903 INFO L85 PathProgramCache]: Analyzing trace with hash -623677320, now seen corresponding path program 1 times [2025-02-17 22:45:39,903 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-17 22:45:39,903 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [408787081] [2025-02-17 22:45:39,903 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-17 22:45:39,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-17 22:45:39,908 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-02-17 22:45:39,910 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-02-17 22:45:39,911 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:45:39,911 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:45:39,911 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-17 22:45:39,913 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-02-17 22:45:39,918 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-02-17 22:45:39,918 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:45:39,919 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:45:39,920 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-17 22:45:39,972 INFO L204 LassoAnalysis]: Preferences: [2025-02-17 22:45:39,972 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-02-17 22:45:39,972 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-02-17 22:45:39,972 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-02-17 22:45:39,972 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2025-02-17 22:45:39,972 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:45:39,972 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-02-17 22:45:39,972 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-02-17 22:45:39,972 INFO L132 ssoRankerPreferences]: Filename of dumped script: aaron2_3.c.bpl_petrified1_Iteration3_Lasso [2025-02-17 22:45:39,972 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-02-17 22:45:39,972 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-02-17 22:45:39,973 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:45:39,976 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:45:39,982 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:45:39,984 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:45:39,986 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:45:39,988 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:45:39,990 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:45:40,047 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-02-17 22:45:40,047 INFO L365 LassoAnalysis]: Checking for nontermination... [2025-02-17 22:45:40,047 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:45:40,047 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:45:40,049 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 22:45:40,050 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 22:45:40,051 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-02-17 22:45:40,051 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-17 22:45:40,061 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-02-17 22:45:40,062 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {thread1Thread1of1ForFork0_thidvar0=0} Honda state: {thread1Thread1of1ForFork0_thidvar0=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-02-17 22:45:40,066 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2025-02-17 22:45:40,067 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:45:40,067 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:45:40,068 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 22:45:40,069 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 22:45:40,070 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-02-17 22:45:40,070 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-17 22:45:40,085 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 22:45:40,085 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:45:40,085 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:45:40,087 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 22:45:40,088 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 22:45:40,088 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2025-02-17 22:45:40,088 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-17 22:45:40,202 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2025-02-17 22:45:40,207 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 22:45:40,207 INFO L204 LassoAnalysis]: Preferences: [2025-02-17 22:45:40,207 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-02-17 22:45:40,207 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-02-17 22:45:40,207 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-02-17 22:45:40,207 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2025-02-17 22:45:40,207 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:45:40,207 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-02-17 22:45:40,207 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-02-17 22:45:40,207 INFO L132 ssoRankerPreferences]: Filename of dumped script: aaron2_3.c.bpl_petrified1_Iteration3_Lasso [2025-02-17 22:45:40,208 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-02-17 22:45:40,208 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-02-17 22:45:40,209 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:45:40,220 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:45:40,226 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:45:40,228 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:45:40,229 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:45:40,235 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:45:40,237 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:45:40,289 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-02-17 22:45:40,289 INFO L451 LassoAnalysis]: Using template 'affine'. [2025-02-17 22:45:40,289 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:45:40,289 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:45:40,292 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 22:45:40,293 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 22:45:40,294 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 22:45:40,304 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-17 22:45:40,304 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-17 22:45:40,304 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-17 22:45:40,304 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-17 22:45:40,306 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-17 22:45:40,306 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-17 22:45:40,309 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-17 22:45:40,314 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 22:45:40,314 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:45:40,314 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:45:40,315 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 22:45:40,316 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 22:45:40,317 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 22:45:40,326 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-17 22:45:40,326 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-17 22:45:40,326 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-17 22:45:40,326 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-17 22:45:40,328 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-17 22:45:40,328 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-17 22:45:40,332 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2025-02-17 22:45:40,337 INFO L443 ModelExtractionUtils]: Simplification made 7 calls to the SMT solver. [2025-02-17 22:45:40,337 INFO L444 ModelExtractionUtils]: 6 out of 13 variables were initially zero. Simplification set additionally 2 variables to zero. [2025-02-17 22:45:40,337 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:45:40,337 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:45:40,339 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 22:45:40,340 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 22:45:40,342 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2025-02-17 22:45:40,353 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2025-02-17 22:45:40,353 INFO L474 LassoAnalysis]: Proved termination. [2025-02-17 22:45:40,353 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(x, y3) = 2*x - 2*y3 + 1 Supporting invariants [1*tx >= 0] [2025-02-17 22:45:40,358 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 22:45:40,361 INFO L156 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2025-02-17 22:45:40,383 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-17 22:45:40,386 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-02-17 22:45:40,388 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-02-17 22:45:40,388 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:45:40,388 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-17 22:45:40,389 INFO L256 TraceCheckSpWp]: Trace formula consists of 15 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-02-17 22:45:40,389 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-17 22:45:40,395 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-02-17 22:45:40,395 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-02-17 22:45:40,395 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:45:40,395 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-17 22:45:40,396 WARN L254 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-17 22:45:40,396 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-17 22:45:40,411 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 22:45:40,411 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 22:45:40,411 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 612 states and 3298 transitions. cyclomatic complexity: 2776 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 22:45:40,509 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 612 states and 3298 transitions. cyclomatic complexity: 2776. 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 2222 states and 13527 transitions. Complement of second has 6 states. [2025-02-17 22:45:40,510 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 22:45:40,510 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 22:45:40,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 68 transitions. [2025-02-17 22:45:40,511 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 68 transitions. Stem has 4 letters. Loop has 2 letters. [2025-02-17 22:45:40,511 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-17 22:45:40,511 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 68 transitions. Stem has 6 letters. Loop has 2 letters. [2025-02-17 22:45:40,511 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-17 22:45:40,511 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 68 transitions. Stem has 4 letters. Loop has 4 letters. [2025-02-17 22:45:40,511 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-17 22:45:40,511 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 2222 states and 13527 transitions. [2025-02-17 22:45:40,552 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2025-02-17 22:45:40,553 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 2222 states to 0 states and 0 transitions. [2025-02-17 22:45:40,553 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2025-02-17 22:45:40,553 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2025-02-17 22:45:40,553 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2025-02-17 22:45:40,553 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2025-02-17 22:45:40,553 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-02-17 22:45:40,553 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-02-17 22:45:40,553 INFO L432 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-02-17 22:45:40,553 INFO L338 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2025-02-17 22:45:40,553 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2025-02-17 22:45:40,553 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2025-02-17 22:45:40,553 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2025-02-17 22:45:40,558 INFO L201 PluginConnector]: Adding new model aaron2_3.c.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 17.02 10:45:40 BoogieIcfgContainer [2025-02-17 22:45:40,558 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2025-02-17 22:45:40,559 INFO L158 Benchmark]: Toolchain (without parser) took 2838.18ms. Allocated memory was 155.2MB in the beginning and 142.6MB in the end (delta: -12.6MB). Free memory was 85.5MB in the beginning and 100.0MB in the end (delta: -14.6MB). There was no memory consumed. Max. memory is 8.0GB. [2025-02-17 22:45:40,559 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.16ms. Allocated memory is still 155.2MB. Free memory is still 86.3MB. There was no memory consumed. Max. memory is 8.0GB. [2025-02-17 22:45:40,559 INFO L158 Benchmark]: Boogie Procedure Inliner took 18.12ms. Allocated memory is still 155.2MB. Free memory was 85.4MB in the beginning and 84.1MB in the end (delta: 1.2MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2025-02-17 22:45:40,559 INFO L158 Benchmark]: Boogie Preprocessor took 15.62ms. Allocated memory is still 155.2MB. Free memory was 84.1MB in the beginning and 83.5MB in the end (delta: 608.7kB). There was no memory consumed. Max. memory is 8.0GB. [2025-02-17 22:45:40,559 INFO L158 Benchmark]: RCFGBuilder took 199.39ms. Allocated memory is still 155.2MB. Free memory was 83.4MB in the beginning and 74.5MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. [2025-02-17 22:45:40,560 INFO L158 Benchmark]: BuchiAutomizer took 2602.61ms. Allocated memory was 155.2MB in the beginning and 142.6MB in the end (delta: -12.6MB). Free memory was 74.4MB in the beginning and 100.0MB in the end (delta: -25.7MB). There was no memory consumed. Max. memory is 8.0GB. [2025-02-17 22:45:40,560 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 0.16ms. Allocated memory is still 155.2MB. Free memory is still 86.3MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 18.12ms. Allocated memory is still 155.2MB. Free memory was 85.4MB in the beginning and 84.1MB in the end (delta: 1.2MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * Boogie Preprocessor took 15.62ms. Allocated memory is still 155.2MB. Free memory was 84.1MB in the beginning and 83.5MB in the end (delta: 608.7kB). There was no memory consumed. Max. memory is 8.0GB. * RCFGBuilder took 199.39ms. Allocated memory is still 155.2MB. Free memory was 83.4MB in the beginning and 74.5MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. * BuchiAutomizer took 2602.61ms. Allocated memory was 155.2MB in the beginning and 142.6MB in the end (delta: -12.6MB). Free memory was 74.4MB in the beginning and 100.0MB in the end (delta: -25.7MB). There was no memory consumed. 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 3 terminating modules (0 trivial, 3 deterministic, 0 nondeterministic). One deterministic module has affine ranking function 2 * x + 1 + -2 * y1 and consists of 4 locations. One deterministic module has affine ranking function -2 * y2 + 2 * x + 1 and consists of 4 locations. One deterministic module has affine ranking function -2 * y3 + 2 * x + 1 and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.5s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 1.5s. Construction of modules took 0.1s. Büchi inclusion checks took 0.5s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 2. Automata minimization 0.1s AutomataMinimizationTime, 2 MinimizatonAttempts, 252 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.1s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [3, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 138 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 138 mSDsluCounter, 78 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 24 mSDsCounter, 30 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 228 IncrementalHoareTripleChecker+Invalid, 258 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 30 mSolverCounterUnsat, 54 mSDtfsCounter, 228 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso3 LassoPreprocessingBenchmarks: Lassos: inital24 mio100 ax100 hnf100 lsp57 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq153 hnf94 smp100 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 62ms VariablesStem: 1 VariablesLoop: 4 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 4 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 3 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.5s 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 22:45:40,569 ERROR L418 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Exception during sending of exit command (exit): Stream Closed [2025-02-17 22:45:40,569 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Ended with exit code 0 [2025-02-17 22:45:40,774 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...