/root/.sdkman/candidates/java/21.0.5-tem/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/buchiAutomizer/concurrent-automaton-noLbe.epf --buchiautomizer.automaton.type.for.concurrent.programs PARTIAL_ORDER_BA -tc ../../../trunk/examples/toolchains/BuchiAutomizerBplInline.xml -i /storage/cav23-termute-examples/2_thr/interleaved2-buggy.c.bpl -------------------------------------------------------------------------------- This is Ultimate 0.3.0-wip.dk.ample-buchi-601be74-m [2025-02-17 22:48:46,475 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-17 22:48:46,522 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/settings/buchiAutomizer/concurrent-automaton-noLbe.epf [2025-02-17 22:48:46,525 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-17 22:48:46,525 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-17 22:48:46,539 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-17 22:48:46,540 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-17 22:48:46,540 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-17 22:48:46,540 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-17 22:48:46,540 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-17 22:48:46,540 INFO L153 SettingsManager]: * Use SBE=true [2025-02-17 22:48:46,540 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2025-02-17 22:48:46,540 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2025-02-17 22:48:46,541 INFO L153 SettingsManager]: * Use old map elimination=false [2025-02-17 22:48:46,541 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2025-02-17 22:48:46,541 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2025-02-17 22:48:46,541 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2025-02-17 22:48:46,541 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-17 22:48:46,541 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2025-02-17 22:48:46,541 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-17 22:48:46,541 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-17 22:48:46,541 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-17 22:48:46,541 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-17 22:48:46,541 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2025-02-17 22:48:46,541 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2025-02-17 22:48:46,541 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2025-02-17 22:48:46,541 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-17 22:48:46,541 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-17 22:48:46,541 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-17 22:48:46,541 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2025-02-17 22:48:46,542 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-17 22:48:46,542 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-02-17 22:48:46,542 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-17 22:48:46,542 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-17 22:48:46,542 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-17 22:48:46,542 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2025-02-17 22:48:46,542 INFO L153 SettingsManager]: * TransformationType=MODULO_NEIGHBOR Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: Automaton type for concurrent programs -> PARTIAL_ORDER_BA [2025-02-17 22:48:46,769 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-17 22:48:46,775 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-17 22:48:46,777 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-17 22:48:46,778 INFO L270 PluginConnector]: Initializing Boogie PL CUP Parser... [2025-02-17 22:48:46,778 INFO L274 PluginConnector]: Boogie PL CUP Parser initialized [2025-02-17 22:48:46,779 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/cav23-termute-examples/2_thr/interleaved2-buggy.c.bpl [2025-02-17 22:48:46,779 INFO L110 BoogieParser]: Parsing: '/storage/cav23-termute-examples/2_thr/interleaved2-buggy.c.bpl' [2025-02-17 22:48:46,792 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-17 22:48:46,793 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2025-02-17 22:48:46,794 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-17 22:48:46,794 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-17 22:48:46,794 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-17 22:48:46,805 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "interleaved2-buggy.c.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.02 10:48:46" (1/1) ... [2025-02-17 22:48:46,809 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "interleaved2-buggy.c.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.02 10:48:46" (1/1) ... [2025-02-17 22:48:46,813 INFO L138 Inliner]: procedures = 3, calls = 2, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2025-02-17 22:48:46,814 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-17 22:48:46,817 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-17 22:48:46,817 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-17 22:48:46,817 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-17 22:48:46,821 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "interleaved2-buggy.c.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.02 10:48:46" (1/1) ... [2025-02-17 22:48:46,821 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "interleaved2-buggy.c.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.02 10:48:46" (1/1) ... [2025-02-17 22:48:46,822 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "interleaved2-buggy.c.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.02 10:48:46" (1/1) ... [2025-02-17 22:48:46,822 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "interleaved2-buggy.c.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.02 10:48:46" (1/1) ... [2025-02-17 22:48:46,823 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "interleaved2-buggy.c.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.02 10:48:46" (1/1) ... [2025-02-17 22:48:46,824 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "interleaved2-buggy.c.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.02 10:48:46" (1/1) ... [2025-02-17 22:48:46,827 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "interleaved2-buggy.c.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.02 10:48:46" (1/1) ... [2025-02-17 22:48:46,827 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "interleaved2-buggy.c.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.02 10:48:46" (1/1) ... [2025-02-17 22:48:46,828 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "interleaved2-buggy.c.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.02 10:48:46" (1/1) ... [2025-02-17 22:48:46,829 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-17 22:48:46,830 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-02-17 22:48:46,830 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-02-17 22:48:46,830 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-02-17 22:48:46,831 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "interleaved2-buggy.c.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.02 10:48:46" (1/1) ... [2025-02-17 22:48:46,838 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:46,846 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:48:46,860 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 22:48:46,863 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 22:48:46,878 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2025-02-17 22:48:46,878 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2025-02-17 22:48:46,878 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2025-02-17 22:48:46,878 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2025-02-17 22:48:46,878 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2025-02-17 22:48:46,879 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2025-02-17 22:48:46,879 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2025-02-17 22:48:46,879 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-17 22:48:46,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-17 22:48:46,879 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 22:48:46,911 INFO L234 CfgBuilder]: Building ICFG [2025-02-17 22:48:46,913 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-17 22:48:46,981 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-02-17 22:48:46,982 INFO L283 CfgBuilder]: Performing block encoding [2025-02-17 22:48:46,996 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-17 22:48:46,997 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-17 22:48:46,997 INFO L201 PluginConnector]: Adding new model interleaved2-buggy.c.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.02 10:48:46 BoogieIcfgContainer [2025-02-17 22:48:46,998 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-02-17 22:48:46,999 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2025-02-17 22:48:46,999 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2025-02-17 22:48:47,003 INFO L274 PluginConnector]: BuchiAutomizer initialized [2025-02-17 22:48:47,003 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-02-17 22:48:47,003 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "interleaved2-buggy.c.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.02 10:48:46" (1/2) ... [2025-02-17 22:48:47,005 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3bf25516 and model type interleaved2-buggy.c.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 17.02 10:48:47, skipping insertion in model container [2025-02-17 22:48:47,005 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-02-17 22:48:47,005 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "interleaved2-buggy.c.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.02 10:48:46" (2/2) ... [2025-02-17 22:48:47,006 INFO L363 chiAutomizerObserver]: Analyzing ICFG interleaved2-buggy.c.bpl [2025-02-17 22:48:47,054 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2025-02-17 22:48:47,108 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 24 places, 21 transitions, 56 flow [2025-02-17 22:48:47,124 INFO L124 PetriNetUnfolderBase]: 2/17 cut-off events. [2025-02-17 22:48:47,125 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2025-02-17 22:48:47,128 INFO L83 FinitePrefix]: Finished finitePrefix Result has 26 conditions, 17 events. 2/17 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 28 event pairs, 0 based on Foata normal form. 0/15 useless extension candidates. Maximal degree in co-relation 14. Up to 2 conditions per place. [2025-02-17 22:48:47,128 INFO L82 GeneralOperation]: Start removeDead. Operand has 24 places, 21 transitions, 56 flow [2025-02-17 22:48:47,133 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 22 places, 17 transitions, 46 flow [2025-02-17 22:48:47,138 WARN L98 AmpleReduction]: Starting ample reduction [2025-02-17 22:48:47,218 INFO L100 AmpleReduction]: Finished ample reduction [2025-02-17 22:48:47,219 INFO L101 AmpleReduction]: Number of pruned transitions: 18, Number of non-trivial ample sets: 27 [2025-02-17 22:48:47,219 INFO L103 AmpleReduction]: Number of trivial ample sets caused by loops: 18 [2025-02-17 22:48:47,225 INFO L306 stractBuchiCegarLoop]: Interprodecural is true [2025-02-17 22:48:47,225 INFO L307 stractBuchiCegarLoop]: Hoare is None [2025-02-17 22:48:47,225 INFO L308 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2025-02-17 22:48:47,225 INFO L309 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2025-02-17 22:48:47,225 INFO L310 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2025-02-17 22:48:47,225 INFO L311 stractBuchiCegarLoop]: Difference is false [2025-02-17 22:48:47,225 INFO L312 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2025-02-17 22:48:47,225 INFO L316 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2025-02-17 22:48:47,228 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 45 states, 44 states have (on average 1.5454545454545454) internal successors, (68), 44 states have internal predecessors, (68), 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 22:48:47,237 INFO L131 ngComponentsAnalysis]: Automaton has 7 accepting balls. 33 [2025-02-17 22:48:47,238 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-17 22:48:47,238 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-17 22:48:47,240 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2025-02-17 22:48:47,241 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2025-02-17 22:48:47,241 INFO L338 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2025-02-17 22:48:47,241 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 45 states, 44 states have (on average 1.5454545454545454) internal successors, (68), 44 states have internal predecessors, (68), 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 22:48:47,242 INFO L131 ngComponentsAnalysis]: Automaton has 7 accepting balls. 33 [2025-02-17 22:48:47,243 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-17 22:48:47,243 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-17 22:48:47,243 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2025-02-17 22:48:47,243 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2025-02-17 22:48:47,247 INFO L752 eck$LassoCheckResult]: Stem: "[39] $Ultimate##0-->L12: Formula: (and (= v_f2_4 0) (= v_f1_3 0) (= v_x1_5 0) (= v_x2_5 0)) InVars {x1=v_x1_5, f2=v_f2_4, x2=v_x2_5, f1=v_f1_3} OutVars{x1=v_x1_5, f2=v_f2_4, x2=v_x2_5, f1=v_f1_3} AuxVars[] AssignedVars[]" "[57] L12-->L25-1: Formula: (= v_thread1Thread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_thidvar0]" [2025-02-17 22:48:47,247 INFO L754 eck$LassoCheckResult]: Loop: "[45] L25-1-->L23: Formula: (< v_x1_1 v_z_1) InVars {x1=v_x1_1, z=v_z_1} OutVars{x1=v_x1_1, z=v_z_1} AuxVars[] AssignedVars[]" "[47] L23-->L24: Formula: (= v_x1_2 (+ v_x1_3 1)) InVars {x1=v_x1_3} OutVars{x1=v_x1_2} AuxVars[] AssignedVars[x1]" "[48] L24-->L25: Formula: (= v_f2_1 1) InVars {} OutVars{f2=v_f2_1} AuxVars[] AssignedVars[f2]" "[49] L25-->L25-1: Formula: (and (= v_f1_4 0) (< 0 v_f1_5)) InVars {f1=v_f1_5} OutVars{f1=v_f1_4} AuxVars[] AssignedVars[f1]" [2025-02-17 22:48:47,250 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-17 22:48:47,251 INFO L85 PathProgramCache]: Analyzing trace with hash 2227, now seen corresponding path program 1 times [2025-02-17 22:48:47,256 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-17 22:48:47,256 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [557899335] [2025-02-17 22:48:47,257 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-17 22:48:47,257 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-17 22:48:47,298 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-02-17 22:48:47,303 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-02-17 22:48:47,303 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:48:47,303 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:48:47,304 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-17 22:48:47,305 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-02-17 22:48:47,306 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-02-17 22:48:47,306 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:48:47,306 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:48:47,315 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-17 22:48:47,317 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-17 22:48:47,317 INFO L85 PathProgramCache]: Analyzing trace with hash 2310820, now seen corresponding path program 1 times [2025-02-17 22:48:47,317 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-17 22:48:47,317 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [811137336] [2025-02-17 22:48:47,317 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-17 22:48:47,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-17 22:48:47,320 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-02-17 22:48:47,324 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-02-17 22:48:47,324 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:48:47,324 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:48:47,324 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-17 22:48:47,326 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-02-17 22:48:47,327 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-02-17 22:48:47,327 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:48:47,327 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:48:47,331 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-17 22:48:47,332 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-17 22:48:47,333 INFO L85 PathProgramCache]: Analyzing trace with hash 2058068566, now seen corresponding path program 1 times [2025-02-17 22:48:47,333 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-17 22:48:47,333 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [641799303] [2025-02-17 22:48:47,333 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-17 22:48:47,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-17 22:48:47,336 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-02-17 22:48:47,339 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-02-17 22:48:47,339 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:48:47,339 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-17 22:48:47,377 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 22:48:47,377 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-17 22:48:47,378 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [641799303] [2025-02-17 22:48:47,378 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [641799303] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-17 22:48:47,378 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-17 22:48:47,380 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2025-02-17 22:48:47,380 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [456915977] [2025-02-17 22:48:47,381 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-17 22:48:47,438 INFO L204 LassoAnalysis]: Preferences: [2025-02-17 22:48:47,439 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-02-17 22:48:47,439 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-02-17 22:48:47,439 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-02-17 22:48:47,439 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2025-02-17 22:48:47,439 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:47,439 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-02-17 22:48:47,439 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-02-17 22:48:47,440 INFO L132 ssoRankerPreferences]: Filename of dumped script: interleaved2-buggy.c.bpl_petrified1_Iteration1_Loop [2025-02-17 22:48:47,440 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-02-17 22:48:47,440 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-02-17 22:48:47,477 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:47,490 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:47,499 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:47,544 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-02-17 22:48:47,545 INFO L365 LassoAnalysis]: Checking for nontermination... [2025-02-17 22:48:47,548 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:47,548 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:48:47,551 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 22:48:47,552 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 22:48:47,552 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-02-17 22:48:47,553 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-17 22:48:47,567 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-02-17 22:48:47,567 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {f2=1} Honda state: {f2=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-02-17 22:48:47,573 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2025-02-17 22:48:47,574 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:47,574 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:48:47,576 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 22:48:47,578 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 22:48:47,579 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-02-17 22:48:47,579 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-17 22:48:47,595 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 22:48:47,596 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:47,596 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:48:47,597 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 22:48:47,599 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 22:48:47,599 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2025-02-17 22:48:47,599 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-17 22:48:47,667 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2025-02-17 22:48:47,671 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 22:48:47,672 INFO L204 LassoAnalysis]: Preferences: [2025-02-17 22:48:47,672 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-02-17 22:48:47,672 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-02-17 22:48:47,672 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-02-17 22:48:47,672 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2025-02-17 22:48:47,672 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:47,672 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-02-17 22:48:47,672 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-02-17 22:48:47,672 INFO L132 ssoRankerPreferences]: Filename of dumped script: interleaved2-buggy.c.bpl_petrified1_Iteration1_Loop [2025-02-17 22:48:47,672 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-02-17 22:48:47,672 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-02-17 22:48:47,673 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:47,677 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:47,682 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:47,740 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-02-17 22:48:47,743 INFO L451 LassoAnalysis]: Using template 'affine'. [2025-02-17 22:48:47,744 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:47,744 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:48:47,749 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 22:48:47,750 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 22:48:47,751 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 22:48:47,761 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-17 22:48:47,761 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-17 22:48:47,762 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-17 22:48:47,762 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-17 22:48:47,762 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-17 22:48:47,765 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-17 22:48:47,765 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-17 22:48:47,767 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-17 22:48:47,797 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 22:48:47,797 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:47,797 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:48:47,799 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 22:48:47,824 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 22:48:47,824 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-17 22:48:47,834 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-17 22:48:47,834 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-17 22:48:47,834 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-17 22:48:47,834 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-17 22:48:47,834 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-17 22:48:47,836 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-17 22:48:47,836 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-17 22:48:47,838 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2025-02-17 22:48:47,841 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2025-02-17 22:48:47,841 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 0 variables to zero. [2025-02-17 22:48:47,843 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:47,843 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:48:47,846 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 22:48:47,846 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 22:48:47,847 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2025-02-17 22:48:47,847 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2025-02-17 22:48:47,847 INFO L474 LassoAnalysis]: Proved termination. [2025-02-17 22:48:47,847 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(x1, z) = -1*x1 + 1*z Supporting invariants [] [2025-02-17 22:48:47,852 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2025-02-17 22:48:47,855 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2025-02-17 22:48:47,868 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2025-02-17 22:48:47,905 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-17 22:48:47,915 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-02-17 22:48:47,917 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-02-17 22:48:47,917 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:48:47,917 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-17 22:48:47,918 INFO L256 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-02-17 22:48:47,918 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-17 22:48:47,928 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-02-17 22:48:47,930 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-02-17 22:48:47,930 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:48:47,930 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-17 22:48:47,931 INFO L256 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-17 22:48:47,932 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-17 22:48:47,995 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 22:48:48,011 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2025-02-17 22:48:48,012 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 45 states, 44 states have (on average 1.5454545454545454) internal successors, (68), 44 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 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 22:48:48,073 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 45 states, 44 states have (on average 1.5454545454545454) internal successors, (68), 44 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 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 102 states and 165 transitions. Complement of second has 6 states. [2025-02-17 22:48:48,075 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 22:48:48,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 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 22:48:48,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 30 transitions. [2025-02-17 22:48:48,083 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 30 transitions. Stem has 2 letters. Loop has 4 letters. [2025-02-17 22:48:48,084 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-17 22:48:48,084 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 30 transitions. Stem has 6 letters. Loop has 4 letters. [2025-02-17 22:48:48,084 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-17 22:48:48,084 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 30 transitions. Stem has 2 letters. Loop has 8 letters. [2025-02-17 22:48:48,084 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-17 22:48:48,084 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 102 states and 165 transitions. [2025-02-17 22:48:48,090 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 15 [2025-02-17 22:48:48,092 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 102 states to 55 states and 92 transitions. [2025-02-17 22:48:48,092 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 27 [2025-02-17 22:48:48,094 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 36 [2025-02-17 22:48:48,094 INFO L73 IsDeterministic]: Start isDeterministic. Operand 55 states and 92 transitions. [2025-02-17 22:48:48,095 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2025-02-17 22:48:48,095 INFO L218 hiAutomatonCegarLoop]: Abstraction has 55 states and 92 transitions. [2025-02-17 22:48:48,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states and 92 transitions. [2025-02-17 22:48:48,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 47. [2025-02-17 22:48:48,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 47 states have (on average 1.702127659574468) internal successors, (80), 46 states have internal predecessors, (80), 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 22:48:48,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 80 transitions. [2025-02-17 22:48:48,115 INFO L240 hiAutomatonCegarLoop]: Abstraction has 47 states and 80 transitions. [2025-02-17 22:48:48,115 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-17 22:48:48,116 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-17 22:48:48,116 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-17 22:48:48,117 INFO L87 Difference]: Start difference. First operand 47 states and 80 transitions. Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 2 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 22:48:48,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-17 22:48:48,127 INFO L93 Difference]: Finished difference Result 41 states and 62 transitions. [2025-02-17 22:48:48,127 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 41 states and 62 transitions. [2025-02-17 22:48:48,128 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 15 [2025-02-17 22:48:48,128 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 41 states to 30 states and 39 transitions. [2025-02-17 22:48:48,128 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 21 [2025-02-17 22:48:48,128 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 26 [2025-02-17 22:48:48,128 INFO L73 IsDeterministic]: Start isDeterministic. Operand 30 states and 39 transitions. [2025-02-17 22:48:48,128 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2025-02-17 22:48:48,128 INFO L218 hiAutomatonCegarLoop]: Abstraction has 30 states and 39 transitions. [2025-02-17 22:48:48,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states and 39 transitions. [2025-02-17 22:48:48,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 27. [2025-02-17 22:48:48,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 27 states have (on average 1.3333333333333333) internal successors, (36), 26 states have internal predecessors, (36), 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 22:48:48,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 36 transitions. [2025-02-17 22:48:48,133 INFO L240 hiAutomatonCegarLoop]: Abstraction has 27 states and 36 transitions. [2025-02-17 22:48:48,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-17 22:48:48,135 INFO L432 stractBuchiCegarLoop]: Abstraction has 27 states and 36 transitions. [2025-02-17 22:48:48,135 INFO L338 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2025-02-17 22:48:48,135 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 27 states and 36 transitions. [2025-02-17 22:48:48,136 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 15 [2025-02-17 22:48:48,136 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-17 22:48:48,136 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-17 22:48:48,136 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2025-02-17 22:48:48,136 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2025-02-17 22:48:48,136 INFO L752 eck$LassoCheckResult]: Stem: "[39] $Ultimate##0-->L12: Formula: (and (= v_f2_4 0) (= v_f1_3 0) (= v_x1_5 0) (= v_x2_5 0)) InVars {x1=v_x1_5, f2=v_f2_4, x2=v_x2_5, f1=v_f1_3} OutVars{x1=v_x1_5, f2=v_f2_4, x2=v_x2_5, f1=v_f1_3} AuxVars[] AssignedVars[]" "[57] L12-->L25-1: Formula: (= v_thread1Thread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_thidvar0]" "[60] L12-1-->L36: Formula: (and (= 2 v_thread2Thread1of1ForFork1_thidvar1_2) (= 2 v_thread2Thread1of1ForFork1_thidvar0_2)) InVars {} OutVars{thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_2, thread2Thread1of1ForFork1_thidvar1=v_thread2Thread1of1ForFork1_thidvar1_2} AuxVars[] AssignedVars[thread2Thread1of1ForFork1_thidvar0, thread2Thread1of1ForFork1_thidvar1]" "[44] L25-1-->thread1FINAL: Formula: (<= v_z_2 v_x1_4) InVars {x1=v_x1_4, z=v_z_2} OutVars{x1=v_x1_4, z=v_z_2} AuxVars[] AssignedVars[]" [2025-02-17 22:48:48,137 INFO L754 eck$LassoCheckResult]: Loop: "[51] L36-->L38: Formula: (< v_x2_2 v_z_4) InVars {x2=v_x2_2, z=v_z_4} OutVars{x2=v_x2_2, z=v_z_4} AuxVars[] AssignedVars[]" "[53] L38-->L38-1: Formula: (and (< 0 v_f2_6) (= v_f2_5 0)) InVars {f2=v_f2_6} OutVars{f2=v_f2_5} AuxVars[] AssignedVars[f2]" "[54] L38-1-->L36: Formula: (= v_x2_3 (+ v_x2_4 1)) InVars {x2=v_x2_4} OutVars{x2=v_x2_3} AuxVars[] AssignedVars[x2]" [2025-02-17 22:48:48,137 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-17 22:48:48,137 INFO L85 PathProgramCache]: Analyzing trace with hash 2142051, now seen corresponding path program 1 times [2025-02-17 22:48:48,137 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-17 22:48:48,137 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1316677347] [2025-02-17 22:48:48,137 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-17 22:48:48,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-17 22:48:48,140 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-02-17 22:48:48,142 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-02-17 22:48:48,142 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:48:48,142 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:48:48,142 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-17 22:48:48,143 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-02-17 22:48:48,144 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-02-17 22:48:48,144 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:48:48,144 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:48:48,145 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-17 22:48:48,145 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-17 22:48:48,146 INFO L85 PathProgramCache]: Analyzing trace with hash 80499, now seen corresponding path program 1 times [2025-02-17 22:48:48,146 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-17 22:48:48,146 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [398985262] [2025-02-17 22:48:48,146 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-17 22:48:48,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-17 22:48:48,147 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-17 22:48:48,148 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-17 22:48:48,148 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:48:48,148 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:48:48,148 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-17 22:48:48,149 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-17 22:48:48,149 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-17 22:48:48,149 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:48:48,149 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:48:48,150 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-17 22:48:48,150 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-17 22:48:48,150 INFO L85 PathProgramCache]: Analyzing trace with hash -610617391, now seen corresponding path program 1 times [2025-02-17 22:48:48,150 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-17 22:48:48,150 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1867186325] [2025-02-17 22:48:48,151 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-17 22:48:48,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-17 22:48:48,152 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-02-17 22:48:48,154 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-02-17 22:48:48,154 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:48:48,154 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-17 22:48:48,166 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 22:48:48,166 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-17 22:48:48,166 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1867186325] [2025-02-17 22:48:48,167 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1867186325] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-17 22:48:48,167 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-17 22:48:48,167 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-17 22:48:48,167 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1680562131] [2025-02-17 22:48:48,167 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-17 22:48:48,183 INFO L204 LassoAnalysis]: Preferences: [2025-02-17 22:48:48,183 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-02-17 22:48:48,183 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-02-17 22:48:48,183 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-02-17 22:48:48,183 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2025-02-17 22:48:48,183 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:48,183 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-02-17 22:48:48,183 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-02-17 22:48:48,183 INFO L132 ssoRankerPreferences]: Filename of dumped script: interleaved2-buggy.c.bpl_petrified1_Iteration2_Loop [2025-02-17 22:48:48,183 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-02-17 22:48:48,183 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-02-17 22:48:48,184 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:48,187 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:48,210 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-02-17 22:48:48,210 INFO L365 LassoAnalysis]: Checking for nontermination... [2025-02-17 22:48:48,210 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:48,210 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:48:48,211 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 22:48:48,213 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 22:48:48,217 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-02-17 22:48:48,217 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-17 22:48:48,232 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 22:48:48,232 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:48,233 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:48:48,234 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 22:48:48,235 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 22:48:48,237 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2025-02-17 22:48:48,237 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-17 22:48:48,264 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2025-02-17 22:48:48,267 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 22:48:48,267 INFO L204 LassoAnalysis]: Preferences: [2025-02-17 22:48:48,267 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-02-17 22:48:48,267 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-02-17 22:48:48,267 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-02-17 22:48:48,267 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2025-02-17 22:48:48,267 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:48,267 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-02-17 22:48:48,267 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-02-17 22:48:48,267 INFO L132 ssoRankerPreferences]: Filename of dumped script: interleaved2-buggy.c.bpl_petrified1_Iteration2_Loop [2025-02-17 22:48:48,268 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-02-17 22:48:48,268 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-02-17 22:48:48,268 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:48,272 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:48,292 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-02-17 22:48:48,292 INFO L451 LassoAnalysis]: Using template 'affine'. [2025-02-17 22:48:48,293 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:48,293 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:48:48,294 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 22:48:48,296 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 22:48:48,297 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 22:48:48,306 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-17 22:48:48,306 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-17 22:48:48,306 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-17 22:48:48,307 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-17 22:48:48,307 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-17 22:48:48,307 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-17 22:48:48,307 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-17 22:48:48,309 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2025-02-17 22:48:48,311 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2025-02-17 22:48:48,311 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2025-02-17 22:48:48,311 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:48,311 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:48:48,313 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 22:48:48,314 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 22:48:48,315 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2025-02-17 22:48:48,315 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2025-02-17 22:48:48,315 INFO L474 LassoAnalysis]: Proved termination. [2025-02-17 22:48:48,315 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(f2) = 1*f2 Supporting invariants [] [2025-02-17 22:48:48,321 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2025-02-17 22:48:48,322 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2025-02-17 22:48:48,336 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-17 22:48:48,341 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-02-17 22:48:48,343 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-02-17 22:48:48,343 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:48:48,343 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-17 22:48:48,344 INFO L256 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-02-17 22:48:48,344 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-17 22:48:48,351 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-17 22:48:48,352 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-17 22:48:48,352 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:48:48,352 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-17 22:48:48,353 WARN L254 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-17 22:48:48,353 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-17 22:48:48,370 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 22:48:48,371 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 22:48:48,371 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 27 states and 36 transitions. cyclomatic complexity: 15 Second operand has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-17 22:48:48,380 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 27 states and 36 transitions. cyclomatic complexity: 15. Second operand has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 38 states and 52 transitions. Complement of second has 4 states. [2025-02-17 22:48:48,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2025-02-17 22:48:48,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-17 22:48:48,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 17 transitions. [2025-02-17 22:48:48,381 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 17 transitions. Stem has 4 letters. Loop has 3 letters. [2025-02-17 22:48:48,381 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-17 22:48:48,381 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 17 transitions. Stem has 7 letters. Loop has 3 letters. [2025-02-17 22:48:48,381 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-17 22:48:48,381 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 17 transitions. Stem has 4 letters. Loop has 6 letters. [2025-02-17 22:48:48,381 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-17 22:48:48,381 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 38 states and 52 transitions. [2025-02-17 22:48:48,382 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2025-02-17 22:48:48,382 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 38 states to 16 states and 21 transitions. [2025-02-17 22:48:48,382 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 12 [2025-02-17 22:48:48,382 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2025-02-17 22:48:48,382 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 21 transitions. [2025-02-17 22:48:48,382 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2025-02-17 22:48:48,382 INFO L218 hiAutomatonCegarLoop]: Abstraction has 16 states and 21 transitions. [2025-02-17 22:48:48,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states and 21 transitions. [2025-02-17 22:48:48,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2025-02-17 22:48:48,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 16 states have (on average 1.3125) internal successors, (21), 15 states have internal predecessors, (21), 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 22:48:48,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 21 transitions. [2025-02-17 22:48:48,383 INFO L240 hiAutomatonCegarLoop]: Abstraction has 16 states and 21 transitions. [2025-02-17 22:48:48,383 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-17 22:48:48,383 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-17 22:48:48,383 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-17 22:48:48,383 INFO L87 Difference]: Start difference. First operand 16 states and 21 transitions. Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-17 22:48:48,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-17 22:48:48,385 INFO L93 Difference]: Finished difference Result 13 states and 14 transitions. [2025-02-17 22:48:48,385 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 13 states and 14 transitions. [2025-02-17 22:48:48,385 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2025-02-17 22:48:48,385 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 13 states to 0 states and 0 transitions. [2025-02-17 22:48:48,385 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2025-02-17 22:48:48,385 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2025-02-17 22:48:48,386 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2025-02-17 22:48:48,386 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2025-02-17 22:48:48,386 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-02-17 22:48:48,386 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-02-17 22:48:48,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-17 22:48:48,386 INFO L432 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-02-17 22:48:48,386 INFO L338 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2025-02-17 22:48:48,386 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2025-02-17 22:48:48,386 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2025-02-17 22:48:48,386 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2025-02-17 22:48:48,391 INFO L201 PluginConnector]: Adding new model interleaved2-buggy.c.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 17.02 10:48:48 BoogieIcfgContainer [2025-02-17 22:48:48,391 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2025-02-17 22:48:48,391 INFO L158 Benchmark]: Toolchain (without parser) took 1598.12ms. Allocated memory was 159.4MB in the beginning and 155.2MB in the end (delta: -4.2MB). Free memory was 85.4MB in the beginning and 77.5MB in the end (delta: 7.9MB). Peak memory consumption was 1.1MB. Max. memory is 8.0GB. [2025-02-17 22:48:48,391 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.14ms. Allocated memory is still 159.4MB. Free memory is still 86.3MB. There was no memory consumed. Max. memory is 8.0GB. [2025-02-17 22:48:48,391 INFO L158 Benchmark]: Boogie Procedure Inliner took 21.95ms. Allocated memory is still 159.4MB. Free memory was 85.4MB in the beginning and 84.1MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 8.0GB. [2025-02-17 22:48:48,392 INFO L158 Benchmark]: Boogie Preprocessor took 11.97ms. Allocated memory is still 159.4MB. Free memory was 84.1MB in the beginning and 83.4MB in the end (delta: 731.7kB). There was no memory consumed. Max. memory is 8.0GB. [2025-02-17 22:48:48,392 INFO L158 Benchmark]: RCFGBuilder took 167.56ms. Allocated memory is still 159.4MB. Free memory was 83.4MB in the beginning and 74.6MB in the end (delta: 8.8MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. [2025-02-17 22:48:48,392 INFO L158 Benchmark]: BuchiAutomizer took 1392.05ms. Allocated memory was 159.4MB in the beginning and 155.2MB in the end (delta: -4.2MB). Free memory was 74.5MB in the beginning and 77.5MB in the end (delta: -3.0MB). There was no memory consumed. Max. memory is 8.0GB. [2025-02-17 22:48:48,393 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 0.14ms. Allocated memory is still 159.4MB. Free memory is still 86.3MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 21.95ms. Allocated memory is still 159.4MB. Free memory was 85.4MB in the beginning and 84.1MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 8.0GB. * Boogie Preprocessor took 11.97ms. Allocated memory is still 159.4MB. Free memory was 84.1MB in the beginning and 83.4MB in the end (delta: 731.7kB). There was no memory consumed. Max. memory is 8.0GB. * RCFGBuilder took 167.56ms. Allocated memory is still 159.4MB. Free memory was 83.4MB in the beginning and 74.6MB in the end (delta: 8.8MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. * BuchiAutomizer took 1392.05ms. Allocated memory was 159.4MB in the beginning and 155.2MB in the end (delta: -4.2MB). Free memory was 74.5MB in the beginning and 77.5MB in the end (delta: -3.0MB). 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 4 terminating modules (2 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -1 * x1 + z and consists of 4 locations. One deterministic module has affine ranking function f2 and consists of 3 locations. 2 modules have a trivial ranking function, the largest among these consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.3s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 0.8s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 3. Automata minimization 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 11 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 43 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 41 mSDsluCounter, 42 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 14 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 48 IncrementalHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 28 mSDtfsCounter, 48 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT2 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital19 mio100 ax100 hnf100 lsp61 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq150 hnf94 smp100 dnf100 smp100 tf111 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 23ms VariablesStem: 0 VariablesLoop: 1 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 1 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.1s InitialAbstractionConstructionTime: 0.1s InitialAbstraction: Time to compute Ample Reduction [ms]: 134, Trivial Ample Sets caused by loops: 18, Number of non-trivial ample sets: 27, Number of pruned transitions: 18, Number of transitions in reduction automaton: 68, Number of states in reduction automaton: 45, Underlying: - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2025-02-17 22:48:48,401 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 22:48:48,603 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...