/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/BuchiAutomizerBplInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Termination-32bit-Automizer_Default.epf --buchiautomizer.automaton.type.for.concurrent.programs BUCHI_PETRI_NET -i ../../../trunk/examples/concurrent/bpl/POPL2023/work-steal1.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.3-wip.fs.rabin-petrinet-4c29625-m [2023-10-12 17:21:23,574 INFO L172 SettingsManager]: Resetting all preferences to default values... [2023-10-12 17:21:23,620 INFO L100 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Termination-32bit-Automizer_Default.epf [2023-10-12 17:21:23,643 INFO L114 SettingsManager]: Preferences different from defaults after loading the file: [2023-10-12 17:21:23,644 INFO L135 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-10-12 17:21:23,644 INFO L137 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-10-12 17:21:23,645 INFO L135 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-10-12 17:21:23,645 INFO L137 SettingsManager]: * Create parallel compositions if possible=false [2023-10-12 17:21:23,646 INFO L137 SettingsManager]: * Use SBE=true [2023-10-12 17:21:23,646 INFO L135 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-10-12 17:21:23,646 INFO L137 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-10-12 17:21:23,646 INFO L137 SettingsManager]: * Use old map elimination=false [2023-10-12 17:21:23,646 INFO L137 SettingsManager]: * Use external solver (rank synthesis)=false [2023-10-12 17:21:23,647 INFO L137 SettingsManager]: * Use only trivial implications for array writes=true [2023-10-12 17:21:23,647 INFO L137 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-10-12 17:21:23,647 INFO L135 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-10-12 17:21:23,647 INFO L137 SettingsManager]: * sizeof long=4 [2023-10-12 17:21:23,648 INFO L137 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-10-12 17:21:23,648 INFO L137 SettingsManager]: * Overapproximate operations on floating types=true [2023-10-12 17:21:23,648 INFO L137 SettingsManager]: * sizeof POINTER=4 [2023-10-12 17:21:23,653 INFO L137 SettingsManager]: * Check division by zero=IGNORE [2023-10-12 17:21:23,653 INFO L137 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-10-12 17:21:23,654 INFO L137 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-10-12 17:21:23,654 INFO L137 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-10-12 17:21:23,654 INFO L137 SettingsManager]: * sizeof long double=12 [2023-10-12 17:21:23,654 INFO L137 SettingsManager]: * Check if freed pointer was valid=false [2023-10-12 17:21:23,654 INFO L137 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-10-12 17:21:23,655 INFO L137 SettingsManager]: * Use constant arrays=true [2023-10-12 17:21:23,655 INFO L137 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-10-12 17:21:23,655 INFO L135 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-10-12 17:21:23,655 INFO L137 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-10-12 17:21:23,656 INFO L135 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-10-12 17:21:23,656 INFO L137 SettingsManager]: * Trace refinement strategy=CAMEL [2023-10-12 17:21:23,660 INFO L135 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-10-12 17:21:23,661 INFO L137 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: Automaton type for concurrent programs -> BUCHI_PETRI_NET [2023-10-12 17:21:23,854 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-10-12 17:21:23,869 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-10-12 17:21:23,871 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-10-12 17:21:23,872 INFO L270 PluginConnector]: Initializing Boogie PL CUP Parser... [2023-10-12 17:21:23,872 INFO L274 PluginConnector]: Boogie PL CUP Parser initialized [2023-10-12 17:21:23,873 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2023/work-steal1.bpl [2023-10-12 17:21:23,874 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2023/work-steal1.bpl' [2023-10-12 17:21:23,900 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-10-12 17:21:23,901 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2023-10-12 17:21:23,904 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-10-12 17:21:23,904 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-10-12 17:21:23,904 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-10-12 17:21:23,914 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "work-steal1.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:21:23" (1/1) ... [2023-10-12 17:21:23,919 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "work-steal1.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:21:23" (1/1) ... [2023-10-12 17:21:23,932 INFO L138 Inliner]: procedures = 4, calls = 4, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 22 [2023-10-12 17:21:23,933 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-10-12 17:21:23,934 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-10-12 17:21:23,935 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-10-12 17:21:23,935 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-10-12 17:21:23,942 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "work-steal1.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:21:23" (1/1) ... [2023-10-12 17:21:23,942 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "work-steal1.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:21:23" (1/1) ... [2023-10-12 17:21:23,943 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "work-steal1.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:21:23" (1/1) ... [2023-10-12 17:21:23,943 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "work-steal1.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:21:23" (1/1) ... [2023-10-12 17:21:23,945 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "work-steal1.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:21:23" (1/1) ... [2023-10-12 17:21:23,948 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "work-steal1.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:21:23" (1/1) ... [2023-10-12 17:21:23,949 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "work-steal1.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:21:23" (1/1) ... [2023-10-12 17:21:23,949 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "work-steal1.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:21:23" (1/1) ... [2023-10-12 17:21:23,950 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-10-12 17:21:23,952 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-10-12 17:21:23,952 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-10-12 17:21:23,952 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-10-12 17:21:23,952 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "work-steal1.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:21:23" (1/1) ... [2023-10-12 17:21:23,957 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:21:23,963 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:21:23,999 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-10-12 17:21:24,024 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2023-10-12 17:21:24,030 INFO L124 BoogieDeclarations]: Specification and implementation of procedure workerWithAssert given in one single declaration [2023-10-12 17:21:24,030 INFO L130 BoogieDeclarations]: Found specification of procedure workerWithAssert [2023-10-12 17:21:24,031 INFO L138 BoogieDeclarations]: Found implementation of procedure workerWithAssert [2023-10-12 17:21:24,031 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2023-10-12 17:21:24,031 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-10-12 17:21:24,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-10-12 17:21:24,031 INFO L124 BoogieDeclarations]: Specification and implementation of procedure worker given in one single declaration [2023-10-12 17:21:24,031 INFO L130 BoogieDeclarations]: Found specification of procedure worker [2023-10-12 17:21:24,032 INFO L138 BoogieDeclarations]: Found implementation of procedure worker [2023-10-12 17:21:24,032 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-10-12 17:21:24,073 INFO L236 CfgBuilder]: Building ICFG [2023-10-12 17:21:24,075 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-10-12 17:21:24,166 INFO L277 CfgBuilder]: Performing block encoding [2023-10-12 17:21:24,193 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-10-12 17:21:24,193 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-10-12 17:21:24,195 INFO L201 PluginConnector]: Adding new model work-steal1.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 05:21:24 BoogieIcfgContainer [2023-10-12 17:21:24,195 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-10-12 17:21:24,196 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-10-12 17:21:24,196 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-10-12 17:21:24,199 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-10-12 17:21:24,199 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-10-12 17:21:24,200 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "work-steal1.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:21:23" (1/2) ... [2023-10-12 17:21:24,206 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@60decffd and model type work-steal1.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 12.10 05:21:24, skipping insertion in model container [2023-10-12 17:21:24,206 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-10-12 17:21:24,206 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "work-steal1.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 05:21:24" (2/2) ... [2023-10-12 17:21:24,208 INFO L332 chiAutomizerObserver]: Analyzing ICFG work-steal1.bpl [2023-10-12 17:21:24,274 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-10-12 17:21:24,293 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 31 places, 30 transitions, 70 flow [2023-10-12 17:21:24,310 INFO L124 PetriNetUnfolderBase]: 4/26 cut-off events. [2023-10-12 17:21:24,310 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-10-12 17:21:24,314 INFO L83 FinitePrefix]: Finished finitePrefix Result has 33 conditions, 26 events. 4/26 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 46 event pairs, 0 based on Foata normal form. 0/21 useless extension candidates. Maximal degree in co-relation 25. Up to 2 conditions per place. [2023-10-12 17:21:24,314 INFO L82 GeneralOperation]: Start removeDead. Operand has 31 places, 30 transitions, 70 flow [2023-10-12 17:21:24,317 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 29 places, 26 transitions, 58 flow [2023-10-12 17:21:24,320 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2023-10-12 17:21:24,329 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 29 places, 26 transitions, 58 flow [2023-10-12 17:21:24,331 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 29 places, 26 transitions, 58 flow [2023-10-12 17:21:24,332 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 29 places, 26 transitions, 58 flow [2023-10-12 17:21:24,337 INFO L124 PetriNetUnfolderBase]: 4/26 cut-off events. [2023-10-12 17:21:24,338 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-10-12 17:21:24,338 INFO L83 FinitePrefix]: Finished finitePrefix Result has 33 conditions, 26 events. 4/26 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 46 event pairs, 0 based on Foata normal form. 0/21 useless extension candidates. Maximal degree in co-relation 25. Up to 2 conditions per place. [2023-10-12 17:21:24,339 INFO L119 LiptonReduction]: Number of co-enabled transitions 284 [2023-10-12 17:21:25,459 INFO L134 LiptonReduction]: Checked pairs total: 273 [2023-10-12 17:21:25,459 INFO L136 LiptonReduction]: Total number of compositions: 27 [2023-10-12 17:21:25,477 INFO L305 stractBuchiCegarLoop]: Interprodecural is true [2023-10-12 17:21:25,477 INFO L306 stractBuchiCegarLoop]: Hoare is false [2023-10-12 17:21:25,477 INFO L307 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-10-12 17:21:25,477 INFO L308 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-10-12 17:21:25,478 INFO L309 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-10-12 17:21:25,478 INFO L310 stractBuchiCegarLoop]: Difference is false [2023-10-12 17:21:25,478 INFO L311 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-10-12 17:21:25,478 INFO L315 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiPetriNetCegarLoop ======== [2023-10-12 17:21:25,479 INFO L84 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 14 places, 9 transitions, 24 flow [2023-10-12 17:21:25,483 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-10-12 17:21:25,483 INFO L124 PetriNetUnfolderBase]: 0/2 cut-off events. [2023-10-12 17:21:25,483 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-10-12 17:21:25,484 INFO L88 BuchiIsEmpty]: Finished buchiIsEmpty language is not empty [2023-10-12 17:21:25,487 INFO L337 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-10-12 17:21:25,488 INFO L84 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 14 places, 9 transitions, 24 flow [2023-10-12 17:21:25,491 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-10-12 17:21:25,492 INFO L124 PetriNetUnfolderBase]: 0/2 cut-off events. [2023-10-12 17:21:25,492 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-10-12 17:21:25,492 INFO L88 BuchiIsEmpty]: Finished buchiIsEmpty language is not empty [2023-10-12 17:21:25,496 INFO L748 eck$LassoCheckResult]: Stem: 35#[$Ultimate##0]true [124] $Ultimate##0-->L29: Formula: (and (= v_cnt_34 0) (<= 0 v_N_25)) InVars {N=v_N_25, cnt=v_cnt_34} OutVars{N=v_N_25, cnt=v_cnt_34} AuxVars[] AssignedVars[] 37#[L29]true [111] L29-->L39: Formula: (= v_workerWithAssertThread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{workerWithAssertThread1of1ForFork0_thidvar0=v_workerWithAssertThread1of1ForFork0_thidvar0_2, workerWithAssertThread1of1ForFork0_i#1=|v_workerWithAssertThread1of1ForFork0_i#1_14|, workerWithAssertThread1of1ForFork0_steal_delta#1=|v_workerWithAssertThread1of1ForFork0_steal_delta#1_6|, workerWithAssertThread1of1ForFork0_steal_x#1=|v_workerWithAssertThread1of1ForFork0_steal_x#1_8|} AuxVars[] AssignedVars[workerWithAssertThread1of1ForFork0_thidvar0, workerWithAssertThread1of1ForFork0_i#1, workerWithAssertThread1of1ForFork0_steal_delta#1, workerWithAssertThread1of1ForFork0_steal_x#1] 39#[L39, L29-1]true [2023-10-12 17:21:25,497 INFO L750 eck$LassoCheckResult]: Loop: 39#[L39, L29-1]true [139] L39-->L39: Formula: (let ((.cse0 (+ |v_workerWithAssertThread1of1ForFork0_steal_delta#1_23| v_cnt_89))) (and (= v_cnt_88 .cse0) (= (store v_A_20 |v_workerWithAssertThread1of1ForFork0_i#1_35| (+ (select v_A_20 |v_workerWithAssertThread1of1ForFork0_i#1_35|) 1)) v_A_19) (= |v_workerWithAssertThread1of1ForFork0_steal_delta#1_23| 1) (<= 0 |v_workerWithAssertThread1of1ForFork0_i#1_35|) (<= .cse0 v_N_59) (= v_cnt_89 |v_workerWithAssertThread1of1ForFork0_steal_x#1_37|) (= |v_workerWithAssertThread1of1ForFork0_i#1_35| |v_workerWithAssertThread1of1ForFork0_steal_x#1_37|))) InVars {A=v_A_20, N=v_N_59, cnt=v_cnt_89} OutVars{A=v_A_19, N=v_N_59, workerWithAssertThread1of1ForFork0_i#1=|v_workerWithAssertThread1of1ForFork0_i#1_35|, cnt=v_cnt_88, workerWithAssertThread1of1ForFork0_steal_delta#1=|v_workerWithAssertThread1of1ForFork0_steal_delta#1_23|, workerWithAssertThread1of1ForFork0_steal_x#1=|v_workerWithAssertThread1of1ForFork0_steal_x#1_37|} AuxVars[] AssignedVars[A, workerWithAssertThread1of1ForFork0_i#1, cnt, workerWithAssertThread1of1ForFork0_steal_delta#1, workerWithAssertThread1of1ForFork0_steal_x#1] 39#[L39, L29-1]true [2023-10-12 17:21:25,505 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:21:25,505 INFO L85 PathProgramCache]: Analyzing trace with hash 4916, now seen corresponding path program 1 times [2023-10-12 17:21:25,516 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:21:25,516 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1837295682] [2023-10-12 17:21:25,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:21:25,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:21:25,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:21:25,579 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:21:25,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:21:25,593 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:21:25,620 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:21:25,621 INFO L85 PathProgramCache]: Analyzing trace with hash 170, now seen corresponding path program 1 times [2023-10-12 17:21:25,621 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:21:25,621 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1122165659] [2023-10-12 17:21:25,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:21:25,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:21:25,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:21:25,649 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:21:25,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:21:25,664 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:21:25,666 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:21:25,667 INFO L85 PathProgramCache]: Analyzing trace with hash 152535, now seen corresponding path program 1 times [2023-10-12 17:21:25,667 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:21:25,667 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [713317748] [2023-10-12 17:21:25,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:21:25,667 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:21:25,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:21:25,676 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:21:25,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:21:25,681 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:21:25,749 INFO L210 LassoAnalysis]: Preferences: [2023-10-12 17:21:25,750 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-10-12 17:21:25,750 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-10-12 17:21:25,750 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-10-12 17:21:25,750 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-10-12 17:21:25,750 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:21:25,750 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-10-12 17:21:25,751 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-10-12 17:21:25,751 INFO L133 ssoRankerPreferences]: Filename of dumped script: work-steal1.bpl_BEv2_Iteration1_Lasso [2023-10-12 17:21:25,751 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-10-12 17:21:25,751 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-10-12 17:21:25,765 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-10-12 17:21:25,773 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-10-12 17:21:25,810 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-10-12 17:21:25,859 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-10-12 17:21:25,862 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-10-12 17:21:25,863 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:21:25,864 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:21:25,867 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-10-12 17:21:25,884 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 [2023-10-12 17:21:25,891 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:21:25,892 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:21:25,892 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:21:25,892 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:21:25,896 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:21:25,896 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:21:25,900 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2023-10-12 17:21:25,907 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:21:25,915 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2023-10-12 17:21:25,915 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:21:25,915 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:21:25,917 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-10-12 17:21:25,923 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 [2023-10-12 17:21:25,931 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:21:25,931 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:21:25,931 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:21:25,931 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:21:25,936 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:21:25,937 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:21:25,943 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2023-10-12 17:21:25,948 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-10-12 17:21:25,972 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2023-10-12 17:21:25,972 INFO L444 ModelExtractionUtils]: 8 out of 16 variables were initially zero. Simplification set additionally 5 variables to zero. [2023-10-12 17:21:25,974 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:21:25,974 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:21:25,985 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-10-12 17:21:26,017 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-10-12 17:21:26,023 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2023-10-12 17:21:26,035 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-10-12 17:21:26,035 INFO L513 LassoAnalysis]: Proved termination. [2023-10-12 17:21:26,036 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(N, cnt) = 1*N - 1*cnt Supporting invariants [] [2023-10-12 17:21:26,055 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2023-10-12 17:21:26,058 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-10-12 17:21:26,074 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:21:26,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-10-12 17:21:26,084 INFO L262 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 2 conjunts are in the unsatisfiable core [2023-10-12 17:21:26,084 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-10-12 17:21:26,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-10-12 17:21:26,100 INFO L262 TraceCheckSpWp]: Trace formula consists of 15 conjuncts, 5 conjunts are in the unsatisfiable core [2023-10-12 17:21:26,100 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-10-12 17:21:26,101 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-10-12 17:21:26,124 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2023-10-12 17:21:26,125 INFO L74 BuchiComplementNCSB]: Start buchiComplementNCSB. Operand has 2 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-10-12 17:21:26,283 INFO L82 BuchiComplementNCSB]: Finished buchiComplementNCSB. Operand has 2 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 6 states and 381 transitions. [2023-10-12 17:21:26,284 INFO L79 BuchiIntersect]: Starting Intersection [2023-10-12 17:21:26,286 INFO L86 BuchiIntersect]: Exiting Intersection [2023-10-12 17:21:26,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2023-10-12 17:21:26,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-10-12 17:21:26,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 218 transitions. [2023-10-12 17:21:26,299 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 218 transitions. Stem has 2 letters. Loop has 1 letters. [2023-10-12 17:21:26,299 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:21:26,299 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 218 transitions. Stem has 3 letters. Loop has 1 letters. [2023-10-12 17:21:26,299 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:21:26,299 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 218 transitions. Stem has 2 letters. Loop has 2 letters. [2023-10-12 17:21:26,300 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:21:26,300 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 26 places, 114 transitions, 540 flow [2023-10-12 17:21:26,319 INFO L124 PetriNetUnfolderBase]: 63/102 cut-off events. [2023-10-12 17:21:26,319 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2023-10-12 17:21:26,320 INFO L83 FinitePrefix]: Finished finitePrefix Result has 224 conditions, 102 events. 63/102 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 272 event pairs, 7 based on Foata normal form. 0/57 useless extension candidates. Maximal degree in co-relation 214. Up to 28 conditions per place. [2023-10-12 17:21:26,320 INFO L82 GeneralOperation]: Start removeDeadBuchi. Operand has 26 places, 114 transitions, 540 flow [2023-10-12 17:21:26,322 INFO L88 GeneralOperation]: Finished RemoveDeadBuchi, result has has 26 places, 114 transitions, 540 flow [2023-10-12 17:21:26,323 INFO L430 stractBuchiCegarLoop]: Abstraction has has 26 places, 114 transitions, 540 flow [2023-10-12 17:21:26,323 INFO L337 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-10-12 17:21:26,323 INFO L84 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 26 places, 114 transitions, 540 flow [2023-10-12 17:21:26,338 INFO L124 PetriNetUnfolderBase]: 63/102 cut-off events. [2023-10-12 17:21:26,338 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2023-10-12 17:21:26,338 INFO L88 BuchiIsEmpty]: Finished buchiIsEmpty language is empty [2023-10-12 17:21:26,343 INFO L201 PluginConnector]: Adding new model work-steal1.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 12.10 05:21:26 BoogieIcfgContainer [2023-10-12 17:21:26,343 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-10-12 17:21:26,344 INFO L158 Benchmark]: Toolchain (without parser) took 2442.57ms. Allocated memory was 178.3MB in the beginning and 268.4MB in the end (delta: 90.2MB). Free memory was 133.4MB in the beginning and 192.4MB in the end (delta: -59.0MB). Peak memory consumption was 30.7MB. Max. memory is 8.0GB. [2023-10-12 17:21:26,344 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.25ms. Allocated memory is still 178.3MB. Free memory is still 134.6MB. There was no memory consumed. Max. memory is 8.0GB. [2023-10-12 17:21:26,345 INFO L158 Benchmark]: Boogie Procedure Inliner took 29.36ms. Allocated memory is still 178.3MB. Free memory was 133.4MB in the beginning and 131.5MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-10-12 17:21:26,345 INFO L158 Benchmark]: Boogie Preprocessor took 15.84ms. Allocated memory is still 178.3MB. Free memory was 131.5MB in the beginning and 130.4MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2023-10-12 17:21:26,346 INFO L158 Benchmark]: RCFGBuilder took 243.89ms. Allocated memory is still 178.3MB. Free memory was 130.4MB in the beginning and 119.3MB in the end (delta: 11.1MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. [2023-10-12 17:21:26,346 INFO L158 Benchmark]: BuchiAutomizer took 2147.37ms. Allocated memory was 178.3MB in the beginning and 268.4MB in the end (delta: 90.2MB). Free memory was 119.2MB in the beginning and 192.4MB in the end (delta: -73.3MB). Peak memory consumption was 16.0MB. Max. memory is 8.0GB. [2023-10-12 17:21:26,347 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 0.25ms. Allocated memory is still 178.3MB. Free memory is still 134.6MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 29.36ms. Allocated memory is still 178.3MB. Free memory was 133.4MB in the beginning and 131.5MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 15.84ms. Allocated memory is still 178.3MB. Free memory was 131.5MB in the beginning and 130.4MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 243.89ms. Allocated memory is still 178.3MB. Free memory was 130.4MB in the beginning and 119.3MB in the end (delta: 11.1MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. * BuchiAutomizer took 2147.37ms. Allocated memory was 178.3MB in the beginning and 268.4MB in the end (delta: 90.2MB). Free memory was 119.2MB in the beginning and 192.4MB in the end (delta: -73.3MB). Peak memory consumption was 16.0MB. 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 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function N + -1 * cnt and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.0s and 2 iterations. TraceHistogramMax:0. Analysis of lassos took 0.5s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 0. Minimization of det autom 0. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 99 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 98 mSDsluCounter, 68 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 21 mSDsCounter, 8 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 102 IncrementalHoareTripleChecker+Invalid, 110 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 8 mSolverCounterUnsat, 47 mSDtfsCounter, 102 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital43 mio100 ax100 hnf100 lsp86 ukn72 mio100 lsp100 div100 bol100 ite100 ukn100 eq166 hnf91 smp100 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 43ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 1.1s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1.1s, 29 PlacesBefore, 14 PlacesAfterwards, 26 TransitionsBefore, 9 TransitionsAfterwards, 284 CoEnabledTransitionPairs, 4 FixpointIterations, 1 TrivialSequentialCompositions, 20 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 4 ConcurrentYvCompositions, 2 ChoiceCompositions, 27 TotalNumberOfCompositions, 273 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 242, independent: 236, independent conditional: 0, independent unconditional: 236, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 187, independent: 182, independent conditional: 0, independent unconditional: 182, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 187, independent: 180, independent conditional: 0, independent unconditional: 180, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 7, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 54, independent: 9, independent conditional: 0, independent unconditional: 9, dependent: 46, dependent conditional: 0, dependent unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 242, independent: 54, independent conditional: 0, independent unconditional: 54, dependent: 1, dependent conditional: 0, dependent unconditional: 1, unknown: 187, unknown conditional: 0, unknown unconditional: 187] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 RESULT: Ultimate proved your program to be correct! [2023-10-12 17:21:26,363 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2023-10-12 17:21:26,564 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...