/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-steal2.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.3-wip.fs.rabin-petrinet-4c29625-m [2023-10-12 17:21:29,955 INFO L172 SettingsManager]: Resetting all preferences to default values... [2023-10-12 17:21:30,017 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 17:21:30,043 INFO L114 SettingsManager]: Preferences different from defaults after loading the file: [2023-10-12 17:21:30,044 INFO L135 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-10-12 17:21:30,044 INFO L137 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-10-12 17:21:30,046 INFO L135 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-10-12 17:21:30,046 INFO L137 SettingsManager]: * Create parallel compositions if possible=false [2023-10-12 17:21:30,046 INFO L137 SettingsManager]: * Use SBE=true [2023-10-12 17:21:30,049 INFO L135 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-10-12 17:21:30,050 INFO L137 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-10-12 17:21:30,050 INFO L137 SettingsManager]: * Use old map elimination=false [2023-10-12 17:21:30,050 INFO L137 SettingsManager]: * Use external solver (rank synthesis)=false [2023-10-12 17:21:30,051 INFO L137 SettingsManager]: * Use only trivial implications for array writes=true [2023-10-12 17:21:30,051 INFO L137 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-10-12 17:21:30,051 INFO L135 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-10-12 17:21:30,051 INFO L137 SettingsManager]: * sizeof long=4 [2023-10-12 17:21:30,051 INFO L137 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-10-12 17:21:30,052 INFO L137 SettingsManager]: * Overapproximate operations on floating types=true [2023-10-12 17:21:30,052 INFO L137 SettingsManager]: * sizeof POINTER=4 [2023-10-12 17:21:30,053 INFO L137 SettingsManager]: * Check division by zero=IGNORE [2023-10-12 17:21:30,053 INFO L137 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-10-12 17:21:30,053 INFO L137 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-10-12 17:21:30,053 INFO L137 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-10-12 17:21:30,053 INFO L137 SettingsManager]: * sizeof long double=12 [2023-10-12 17:21:30,053 INFO L137 SettingsManager]: * Check if freed pointer was valid=false [2023-10-12 17:21:30,054 INFO L137 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-10-12 17:21:30,054 INFO L137 SettingsManager]: * Use constant arrays=true [2023-10-12 17:21:30,054 INFO L137 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-10-12 17:21:30,054 INFO L135 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-10-12 17:21:30,055 INFO L137 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-10-12 17:21:30,055 INFO L135 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-10-12 17:21:30,055 INFO L137 SettingsManager]: * Trace refinement strategy=CAMEL [2023-10-12 17:21:30,056 INFO L135 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-10-12 17:21:30,056 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: Automaton type for concurrent programs -> BUCHI_PETRI_NET [2023-10-12 17:21:30,271 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-10-12 17:21:30,288 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-10-12 17:21:30,290 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-10-12 17:21:30,291 INFO L270 PluginConnector]: Initializing Boogie PL CUP Parser... [2023-10-12 17:21:30,292 INFO L274 PluginConnector]: Boogie PL CUP Parser initialized [2023-10-12 17:21:30,293 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2023/work-steal2.bpl [2023-10-12 17:21:30,293 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2023/work-steal2.bpl' [2023-10-12 17:21:30,320 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-10-12 17:21:30,321 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2023-10-12 17:21:30,321 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-10-12 17:21:30,322 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-10-12 17:21:30,322 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-10-12 17:21:30,331 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "work-steal2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:21:30" (1/1) ... [2023-10-12 17:21:30,337 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "work-steal2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:21:30" (1/1) ... [2023-10-12 17:21:30,352 INFO L138 Inliner]: procedures = 4, calls = 4, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 24 [2023-10-12 17:21:30,353 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-10-12 17:21:30,354 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-10-12 17:21:30,355 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-10-12 17:21:30,355 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-10-12 17:21:30,361 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "work-steal2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:21:30" (1/1) ... [2023-10-12 17:21:30,361 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "work-steal2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:21:30" (1/1) ... [2023-10-12 17:21:30,362 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "work-steal2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:21:30" (1/1) ... [2023-10-12 17:21:30,362 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "work-steal2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:21:30" (1/1) ... [2023-10-12 17:21:30,363 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "work-steal2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:21:30" (1/1) ... [2023-10-12 17:21:30,368 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "work-steal2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:21:30" (1/1) ... [2023-10-12 17:21:30,368 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "work-steal2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:21:30" (1/1) ... [2023-10-12 17:21:30,369 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "work-steal2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:21:30" (1/1) ... [2023-10-12 17:21:30,373 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-10-12 17:21:30,374 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-10-12 17:21:30,374 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-10-12 17:21:30,374 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-10-12 17:21:30,375 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "work-steal2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:21:30" (1/1) ... [2023-10-12 17:21:30,384 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:21:30,389 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:21:30,402 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 17:21:30,404 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 17:21:30,438 INFO L124 BoogieDeclarations]: Specification and implementation of procedure workerWithAssert given in one single declaration [2023-10-12 17:21:30,439 INFO L130 BoogieDeclarations]: Found specification of procedure workerWithAssert [2023-10-12 17:21:30,441 INFO L138 BoogieDeclarations]: Found implementation of procedure workerWithAssert [2023-10-12 17:21:30,441 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2023-10-12 17:21:30,442 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-10-12 17:21:30,442 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-10-12 17:21:30,442 INFO L124 BoogieDeclarations]: Specification and implementation of procedure worker given in one single declaration [2023-10-12 17:21:30,443 INFO L130 BoogieDeclarations]: Found specification of procedure worker [2023-10-12 17:21:30,443 INFO L138 BoogieDeclarations]: Found implementation of procedure worker [2023-10-12 17:21:30,443 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 17:21:30,481 INFO L236 CfgBuilder]: Building ICFG [2023-10-12 17:21:30,483 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-10-12 17:21:30,610 INFO L277 CfgBuilder]: Performing block encoding [2023-10-12 17:21:30,647 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-10-12 17:21:30,648 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-10-12 17:21:30,650 INFO L201 PluginConnector]: Adding new model work-steal2.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 05:21:30 BoogieIcfgContainer [2023-10-12 17:21:30,650 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-10-12 17:21:30,651 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-10-12 17:21:30,651 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-10-12 17:21:30,665 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-10-12 17:21:30,666 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-10-12 17:21:30,666 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "work-steal2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:21:30" (1/2) ... [2023-10-12 17:21:30,667 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@f38189e and model type work-steal2.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 12.10 05:21:30, skipping insertion in model container [2023-10-12 17:21:30,667 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-10-12 17:21:30,667 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "work-steal2.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 05:21:30" (2/2) ... [2023-10-12 17:21:30,668 INFO L332 chiAutomizerObserver]: Analyzing ICFG work-steal2.bpl [2023-10-12 17:21:30,718 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-10-12 17:21:30,739 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 31 places, 30 transitions, 70 flow [2023-10-12 17:21:30,756 INFO L124 PetriNetUnfolderBase]: 4/26 cut-off events. [2023-10-12 17:21:30,756 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-10-12 17:21:30,759 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 43 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 17:21:30,759 INFO L82 GeneralOperation]: Start removeDead. Operand has 31 places, 30 transitions, 70 flow [2023-10-12 17:21:30,762 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 29 places, 26 transitions, 58 flow [2023-10-12 17:21:30,765 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2023-10-12 17:21:30,774 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 29 places, 26 transitions, 58 flow [2023-10-12 17:21:30,776 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 29 places, 26 transitions, 58 flow [2023-10-12 17:21:30,777 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 29 places, 26 transitions, 58 flow [2023-10-12 17:21:30,783 INFO L124 PetriNetUnfolderBase]: 4/26 cut-off events. [2023-10-12 17:21:30,783 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-10-12 17:21:30,784 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 43 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 17:21:30,784 INFO L119 LiptonReduction]: Number of co-enabled transitions 284 [2023-10-12 17:21:32,164 INFO L134 LiptonReduction]: Checked pairs total: 287 [2023-10-12 17:21:32,164 INFO L136 LiptonReduction]: Total number of compositions: 27 [2023-10-12 17:21:32,188 INFO L305 stractBuchiCegarLoop]: Interprodecural is true [2023-10-12 17:21:32,188 INFO L306 stractBuchiCegarLoop]: Hoare is false [2023-10-12 17:21:32,188 INFO L307 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-10-12 17:21:32,189 INFO L308 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-10-12 17:21:32,189 INFO L309 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-10-12 17:21:32,189 INFO L310 stractBuchiCegarLoop]: Difference is false [2023-10-12 17:21:32,189 INFO L311 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-10-12 17:21:32,189 INFO L315 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiPetriNetCegarLoop ======== [2023-10-12 17:21:32,190 INFO L84 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 14 places, 9 transitions, 24 flow [2023-10-12 17:21:32,194 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-10-12 17:21:32,194 INFO L124 PetriNetUnfolderBase]: 0/2 cut-off events. [2023-10-12 17:21:32,194 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-10-12 17:21:32,195 INFO L88 BuchiIsEmpty]: Finished buchiIsEmpty language is not empty [2023-10-12 17:21:32,197 INFO L337 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-10-12 17:21:32,198 INFO L84 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 14 places, 9 transitions, 24 flow [2023-10-12 17:21:32,201 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-10-12 17:21:32,201 INFO L124 PetriNetUnfolderBase]: 0/2 cut-off events. [2023-10-12 17:21:32,201 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-10-12 17:21:32,201 INFO L88 BuchiIsEmpty]: Finished buchiIsEmpty language is not empty [2023-10-12 17:21:32,206 INFO L748 eck$LassoCheckResult]: Stem: 35#[$Ultimate##0]true [129] $Ultimate##0-->L29: Formula: (and (= v_cnt_42 0) (<= 0 v_N_35)) InVars {N=v_N_35, cnt=v_cnt_42} OutVars{N=v_N_35, cnt=v_cnt_42} AuxVars[] AssignedVars[] 37#[L29]true [115] L29-->L38: Formula: (= v_workerWithAssertThread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{workerWithAssertThread1of1ForFork0_thidvar0=v_workerWithAssertThread1of1ForFork0_thidvar0_2, workerWithAssertThread1of1ForFork0_sz#1=|v_workerWithAssertThread1of1ForFork0_sz#1_8|, workerWithAssertThread1of1ForFork0_i#1=|v_workerWithAssertThread1of1ForFork0_i#1_10|, workerWithAssertThread1of1ForFork0_steal_delta#1=|v_workerWithAssertThread1of1ForFork0_steal_delta#1_6|, workerWithAssertThread1of1ForFork0_steal_num#1=|v_workerWithAssertThread1of1ForFork0_steal_num#1_8|, workerWithAssertThread1of1ForFork0_steal_x#1=|v_workerWithAssertThread1of1ForFork0_steal_x#1_10|} AuxVars[] AssignedVars[workerWithAssertThread1of1ForFork0_thidvar0, workerWithAssertThread1of1ForFork0_sz#1, workerWithAssertThread1of1ForFork0_i#1, workerWithAssertThread1of1ForFork0_steal_delta#1, workerWithAssertThread1of1ForFork0_steal_num#1, workerWithAssertThread1of1ForFork0_steal_x#1] 39#[L29-1, L38]true [2023-10-12 17:21:32,206 INFO L750 eck$LassoCheckResult]: Loop: 39#[L29-1, L38]true [144] L38-->L38: Formula: (and (= (ite (< (+ |v_workerWithAssertThread1of1ForFork0_steal_delta#1_33| v_cnt_127) v_N_79) |v_workerWithAssertThread1of1ForFork0_steal_delta#1_33| (+ (* (- 1) v_cnt_127) v_N_79)) |v_workerWithAssertThread1of1ForFork0_steal_num#1_45|) (= v_cnt_127 |v_workerWithAssertThread1of1ForFork0_steal_x#1_59|) (= (store v_A_26 |v_workerWithAssertThread1of1ForFork0_i#1_45| (+ (select v_A_26 |v_workerWithAssertThread1of1ForFork0_i#1_45|) 1)) v_A_25) (= (+ v_cnt_127 |v_workerWithAssertThread1of1ForFork0_steal_num#1_45|) v_cnt_126) (= |v_workerWithAssertThread1of1ForFork0_steal_delta#1_33| 1) (<= 0 |v_workerWithAssertThread1of1ForFork0_i#1_45|) (= |v_workerWithAssertThread1of1ForFork0_sz#1_39| |v_workerWithAssertThread1of1ForFork0_steal_num#1_45|) (= |v_workerWithAssertThread1of1ForFork0_i#1_45| |v_workerWithAssertThread1of1ForFork0_steal_x#1_59|) (< |v_workerWithAssertThread1of1ForFork0_i#1_45| v_N_79)) InVars {A=v_A_26, N=v_N_79, cnt=v_cnt_127} OutVars{A=v_A_25, N=v_N_79, workerWithAssertThread1of1ForFork0_sz#1=|v_workerWithAssertThread1of1ForFork0_sz#1_39|, workerWithAssertThread1of1ForFork0_i#1=|v_workerWithAssertThread1of1ForFork0_i#1_45|, cnt=v_cnt_126, workerWithAssertThread1of1ForFork0_steal_num#1=|v_workerWithAssertThread1of1ForFork0_steal_num#1_45|, workerWithAssertThread1of1ForFork0_steal_delta#1=|v_workerWithAssertThread1of1ForFork0_steal_delta#1_33|, workerWithAssertThread1of1ForFork0_steal_x#1=|v_workerWithAssertThread1of1ForFork0_steal_x#1_59|} AuxVars[] AssignedVars[A, workerWithAssertThread1of1ForFork0_sz#1, workerWithAssertThread1of1ForFork0_i#1, cnt, workerWithAssertThread1of1ForFork0_steal_num#1, workerWithAssertThread1of1ForFork0_steal_delta#1, workerWithAssertThread1of1ForFork0_steal_x#1] 39#[L29-1, L38]true [2023-10-12 17:21:32,214 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:21:32,215 INFO L85 PathProgramCache]: Analyzing trace with hash 5075, now seen corresponding path program 1 times [2023-10-12 17:21:32,222 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:21:32,223 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1295383992] [2023-10-12 17:21:32,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:21:32,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:21:32,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:21:32,300 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:21:32,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:21:32,325 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:21:32,327 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:21:32,327 INFO L85 PathProgramCache]: Analyzing trace with hash 175, now seen corresponding path program 1 times [2023-10-12 17:21:32,327 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:21:32,327 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [695991341] [2023-10-12 17:21:32,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:21:32,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:21:32,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:21:32,352 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:21:32,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:21:32,368 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:21:32,371 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:21:32,371 INFO L85 PathProgramCache]: Analyzing trace with hash 157469, now seen corresponding path program 1 times [2023-10-12 17:21:32,371 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:21:32,372 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1380364650] [2023-10-12 17:21:32,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:21:32,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:21:32,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:21:32,395 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:21:32,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:21:32,401 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:21:32,505 INFO L210 LassoAnalysis]: Preferences: [2023-10-12 17:21:32,506 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-10-12 17:21:32,506 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-10-12 17:21:32,506 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-10-12 17:21:32,506 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-10-12 17:21:32,507 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:21:32,507 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-10-12 17:21:32,507 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-10-12 17:21:32,507 INFO L133 ssoRankerPreferences]: Filename of dumped script: work-steal2.bpl_BEv2_Iteration1_Lasso [2023-10-12 17:21:32,507 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-10-12 17:21:32,507 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-10-12 17:21:32,520 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 17:21:32,531 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 17:21:32,534 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 17:21:32,537 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 17:21:32,540 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 17:21:32,629 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-10-12 17:21:32,632 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-10-12 17:21:32,633 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:21:32,633 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:21:32,636 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 17:21:32,639 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 17:21:32,639 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 17:21:32,648 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:21:32,648 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:21:32,648 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:21:32,648 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:21:32,651 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:21:32,651 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:21:32,655 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:21:32,660 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2023-10-12 17:21:32,661 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:21:32,661 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:21:32,662 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 17:21:32,664 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 17:21:32,666 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 17:21:32,673 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:21:32,673 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-10-12 17:21:32,673 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:21:32,673 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:21:32,674 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:21:32,674 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-10-12 17:21:32,674 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-10-12 17:21:32,680 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:21:32,688 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 17:21:32,689 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:21:32,689 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:21:32,693 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 17:21:32,695 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 17:21:32,697 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 17:21:32,704 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:21:32,704 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-10-12 17:21:32,704 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:21:32,704 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:21:32,704 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:21:32,705 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-10-12 17:21:32,705 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-10-12 17:21:32,718 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:21:32,725 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 17:21:32,727 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:21:32,727 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:21:32,728 INFO L229 MonitoredProcess]: Starting monitored process 5 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 17:21:32,733 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 17:21:32,741 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:21:32,741 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-10-12 17:21:32,741 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:21:32,741 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:21:32,741 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:21:32,742 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2023-10-12 17:21:32,742 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-10-12 17:21:32,742 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-10-12 17:21:32,756 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:21:32,764 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2023-10-12 17:21:32,764 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:21:32,765 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:21:32,766 INFO L229 MonitoredProcess]: Starting monitored process 6 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 17:21:32,769 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2023-10-12 17:21:32,771 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 17:21:32,778 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:21:32,778 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:21:32,779 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:21:32,779 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:21:32,787 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:21:32,787 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:21:32,795 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-10-12 17:21:32,824 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2023-10-12 17:21:32,824 INFO L444 ModelExtractionUtils]: 9 out of 16 variables were initially zero. Simplification set additionally 4 variables to zero. [2023-10-12 17:21:32,825 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:21:32,825 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:21:32,829 INFO L229 MonitoredProcess]: Starting monitored process 7 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 17:21:32,873 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-10-12 17:21:32,873 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2023-10-12 17:21:32,883 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-10-12 17:21:32,883 INFO L513 LassoAnalysis]: Proved termination. [2023-10-12 17:21:32,884 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(N, cnt) = 1*N - 1*cnt Supporting invariants [] [2023-10-12 17:21:32,895 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2023-10-12 17:21:32,898 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-10-12 17:21:32,925 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:21:32,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-10-12 17:21:32,936 INFO L262 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 2 conjunts are in the unsatisfiable core [2023-10-12 17:21:32,937 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-10-12 17:21:32,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-10-12 17:21:32,958 INFO L262 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 8 conjunts are in the unsatisfiable core [2023-10-12 17:21:32,959 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-10-12 17:21:32,959 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 17:21:32,999 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 17:21:33,001 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 17:21:33,141 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 5 states and 322 transitions. [2023-10-12 17:21:33,143 INFO L79 BuchiIntersect]: Starting Intersection [2023-10-12 17:21:33,145 INFO L86 BuchiIntersect]: Exiting Intersection [2023-10-12 17:21:33,147 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 [2023-10-12 17:21:33,151 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 17:21:33,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 163 transitions. [2023-10-12 17:21:33,156 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 163 transitions. Stem has 2 letters. Loop has 1 letters. [2023-10-12 17:21:33,156 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:21:33,156 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 163 transitions. Stem has 3 letters. Loop has 1 letters. [2023-10-12 17:21:33,156 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:21:33,156 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 163 transitions. Stem has 2 letters. Loop has 2 letters. [2023-10-12 17:21:33,156 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:21:33,157 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 24 places, 96 transitions, 456 flow [2023-10-12 17:21:33,173 INFO L124 PetriNetUnfolderBase]: 69/119 cut-off events. [2023-10-12 17:21:33,173 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2023-10-12 17:21:33,174 INFO L83 FinitePrefix]: Finished finitePrefix Result has 260 conditions, 119 events. 69/119 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 386 event pairs, 7 based on Foata normal form. 0/67 useless extension candidates. Maximal degree in co-relation 250. Up to 37 conditions per place. [2023-10-12 17:21:33,174 INFO L82 GeneralOperation]: Start removeDeadBuchi. Operand has 24 places, 96 transitions, 456 flow [2023-10-12 17:21:33,176 INFO L88 GeneralOperation]: Finished RemoveDeadBuchi, result has has 24 places, 96 transitions, 456 flow [2023-10-12 17:21:33,176 INFO L430 stractBuchiCegarLoop]: Abstraction has has 24 places, 96 transitions, 456 flow [2023-10-12 17:21:33,176 INFO L337 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-10-12 17:21:33,176 INFO L84 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 24 places, 96 transitions, 456 flow [2023-10-12 17:21:33,190 INFO L124 PetriNetUnfolderBase]: 69/119 cut-off events. [2023-10-12 17:21:33,191 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2023-10-12 17:21:33,191 INFO L88 BuchiIsEmpty]: Finished buchiIsEmpty language is empty [2023-10-12 17:21:33,195 INFO L201 PluginConnector]: Adding new model work-steal2.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 12.10 05:21:33 BoogieIcfgContainer [2023-10-12 17:21:33,195 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-10-12 17:21:33,196 INFO L158 Benchmark]: Toolchain (without parser) took 2875.31ms. Allocated memory was 174.1MB in the beginning and 261.1MB in the end (delta: 87.0MB). Free memory was 129.8MB in the beginning and 168.3MB in the end (delta: -38.4MB). Peak memory consumption was 48.1MB. Max. memory is 8.0GB. [2023-10-12 17:21:33,196 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.21ms. Allocated memory is still 174.1MB. Free memory is still 131.0MB. There was no memory consumed. Max. memory is 8.0GB. [2023-10-12 17:21:33,197 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.73ms. Allocated memory is still 174.1MB. Free memory was 129.8MB in the beginning and 127.9MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-10-12 17:21:33,197 INFO L158 Benchmark]: Boogie Preprocessor took 19.00ms. Allocated memory is still 174.1MB. Free memory was 127.9MB in the beginning and 126.8MB in the end (delta: 1.1MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2023-10-12 17:21:33,197 INFO L158 Benchmark]: RCFGBuilder took 275.80ms. Allocated memory is still 174.1MB. Free memory was 126.7MB in the beginning and 114.7MB in the end (delta: 12.0MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2023-10-12 17:21:33,198 INFO L158 Benchmark]: BuchiAutomizer took 2544.81ms. Allocated memory was 174.1MB in the beginning and 261.1MB in the end (delta: 87.0MB). Free memory was 114.7MB in the beginning and 168.3MB in the end (delta: -53.6MB). Peak memory consumption was 33.4MB. Max. memory is 8.0GB. [2023-10-12 17:21:33,199 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 0.21ms. Allocated memory is still 174.1MB. Free memory is still 131.0MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 31.73ms. Allocated memory is still 174.1MB. Free memory was 129.8MB in the beginning and 127.9MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 19.00ms. Allocated memory is still 174.1MB. Free memory was 127.9MB in the beginning and 126.8MB in the end (delta: 1.1MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 275.80ms. Allocated memory is still 174.1MB. Free memory was 126.7MB in the beginning and 114.7MB in the end (delta: 12.0MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * BuchiAutomizer took 2544.81ms. Allocated memory was 174.1MB in the beginning and 261.1MB in the end (delta: 87.0MB). Free memory was 114.7MB in the beginning and 168.3MB in the end (delta: -53.6MB). Peak memory consumption was 33.4MB. 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 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.4s and 2 iterations. TraceHistogramMax:0. Analysis of lassos took 0.6s. 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, 98 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 97 mSDsluCounter, 68 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 21 mSDsCounter, 12 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 101 IncrementalHoareTripleChecker+Invalid, 113 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 12 mSolverCounterUnsat, 47 mSDtfsCounter, 101 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital47 mio100 ax100 hnf100 lsp74 ukn71 mio100 lsp100 div100 bol100 ite100 ukn100 eq172 hnf90 smp100 dnf100 smp100 tf100 neg100 sie105 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 22ms 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: 1.4s - 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: 1.4s, 29 PlacesBefore, 14 PlacesAfterwards, 26 TransitionsBefore, 9 TransitionsAfterwards, 284 CoEnabledTransitionPairs, 4 FixpointIterations, 1 TrivialSequentialCompositions, 22 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 2 ConcurrentYvCompositions, 2 ChoiceCompositions, 27 TotalNumberOfCompositions, 287 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 241, independent: 234, independent conditional: 0, independent unconditional: 234, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 177, independent: 173, independent conditional: 0, independent unconditional: 173, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 177, independent: 168, independent conditional: 0, independent unconditional: 168, dependent: 9, dependent conditional: 0, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 9, independent: 5, independent conditional: 0, independent unconditional: 5, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 56, independent: 23, independent conditional: 0, independent unconditional: 23, dependent: 34, dependent conditional: 0, dependent unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 241, independent: 61, independent conditional: 0, independent unconditional: 61, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 177, unknown conditional: 0, unknown unconditional: 177] , 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 17:21:33,213 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2023-10-12 17:21:33,417 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request...