/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/weaver-benchmarks/generated/chl/nzb-file-subst.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.3-wip.fs.rabin-petrinet-4c29625-m [2023-10-12 17:23:44,068 INFO L172 SettingsManager]: Resetting all preferences to default values... [2023-10-12 17:23:44,151 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 17:23:44,182 INFO L114 SettingsManager]: Preferences different from defaults after loading the file: [2023-10-12 17:23:44,183 INFO L135 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-10-12 17:23:44,184 INFO L137 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-10-12 17:23:44,185 INFO L135 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-10-12 17:23:44,185 INFO L137 SettingsManager]: * Create parallel compositions if possible=false [2023-10-12 17:23:44,186 INFO L137 SettingsManager]: * Use SBE=true [2023-10-12 17:23:44,189 INFO L135 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-10-12 17:23:44,190 INFO L137 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-10-12 17:23:44,190 INFO L137 SettingsManager]: * Use old map elimination=false [2023-10-12 17:23:44,190 INFO L137 SettingsManager]: * Use external solver (rank synthesis)=false [2023-10-12 17:23:44,191 INFO L137 SettingsManager]: * Use only trivial implications for array writes=true [2023-10-12 17:23:44,192 INFO L137 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-10-12 17:23:44,192 INFO L135 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-10-12 17:23:44,192 INFO L137 SettingsManager]: * sizeof long=4 [2023-10-12 17:23:44,192 INFO L137 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-10-12 17:23:44,193 INFO L137 SettingsManager]: * Overapproximate operations on floating types=true [2023-10-12 17:23:44,193 INFO L137 SettingsManager]: * sizeof POINTER=4 [2023-10-12 17:23:44,193 INFO L137 SettingsManager]: * Check division by zero=IGNORE [2023-10-12 17:23:44,193 INFO L137 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-10-12 17:23:44,194 INFO L137 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-10-12 17:23:44,194 INFO L137 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-10-12 17:23:44,194 INFO L137 SettingsManager]: * sizeof long double=12 [2023-10-12 17:23:44,194 INFO L137 SettingsManager]: * Check if freed pointer was valid=false [2023-10-12 17:23:44,194 INFO L137 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-10-12 17:23:44,195 INFO L137 SettingsManager]: * Use constant arrays=true [2023-10-12 17:23:44,195 INFO L137 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-10-12 17:23:44,195 INFO L135 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-10-12 17:23:44,196 INFO L137 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-10-12 17:23:44,196 INFO L135 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-10-12 17:23:44,196 INFO L137 SettingsManager]: * Trace refinement strategy=CAMEL [2023-10-12 17:23:44,198 INFO L135 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-10-12 17:23:44,198 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: Automaton type for concurrent programs -> BUCHI_PETRI_NET [2023-10-12 17:23:44,436 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-10-12 17:23:44,455 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-10-12 17:23:44,457 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-10-12 17:23:44,458 INFO L270 PluginConnector]: Initializing Boogie PL CUP Parser... [2023-10-12 17:23:44,459 INFO L274 PluginConnector]: Boogie PL CUP Parser initialized [2023-10-12 17:23:44,460 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/chl/nzb-file-subst.wvr.bpl [2023-10-12 17:23:44,463 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/chl/nzb-file-subst.wvr.bpl' [2023-10-12 17:23:44,503 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-10-12 17:23:44,505 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2023-10-12 17:23:44,506 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-10-12 17:23:44,506 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-10-12 17:23:44,506 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-10-12 17:23:44,517 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "nzb-file-subst.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:23:44" (1/1) ... [2023-10-12 17:23:44,536 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "nzb-file-subst.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:23:44" (1/1) ... [2023-10-12 17:23:44,543 INFO L138 Inliner]: procedures = 4, calls = 3, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2023-10-12 17:23:44,544 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-10-12 17:23:44,545 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-10-12 17:23:44,545 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-10-12 17:23:44,545 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-10-12 17:23:44,552 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "nzb-file-subst.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:23:44" (1/1) ... [2023-10-12 17:23:44,552 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "nzb-file-subst.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:23:44" (1/1) ... [2023-10-12 17:23:44,557 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "nzb-file-subst.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:23:44" (1/1) ... [2023-10-12 17:23:44,557 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "nzb-file-subst.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:23:44" (1/1) ... [2023-10-12 17:23:44,561 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "nzb-file-subst.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:23:44" (1/1) ... [2023-10-12 17:23:44,564 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "nzb-file-subst.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:23:44" (1/1) ... [2023-10-12 17:23:44,569 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "nzb-file-subst.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:23:44" (1/1) ... [2023-10-12 17:23:44,570 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "nzb-file-subst.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:23:44" (1/1) ... [2023-10-12 17:23:44,572 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-10-12 17:23:44,573 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-10-12 17:23:44,573 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-10-12 17:23:44,573 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-10-12 17:23:44,574 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "nzb-file-subst.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:23:44" (1/1) ... [2023-10-12 17:23:44,581 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:23:44,593 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:23:44,610 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 17:23:44,618 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 17:23:44,649 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2023-10-12 17:23:44,649 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-10-12 17:23:44,649 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-10-12 17:23:44,649 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2023-10-12 17:23:44,649 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-10-12 17:23:44,649 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-10-12 17:23:44,650 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2023-10-12 17:23:44,650 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-10-12 17:23:44,650 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-10-12 17:23:44,650 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2023-10-12 17:23:44,650 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-10-12 17:23:44,650 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-10-12 17:23:44,651 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 17:23:44,696 INFO L236 CfgBuilder]: Building ICFG [2023-10-12 17:23:44,698 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-10-12 17:23:44,851 INFO L277 CfgBuilder]: Performing block encoding [2023-10-12 17:23:44,951 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-10-12 17:23:44,952 INFO L302 CfgBuilder]: Removed 3 assume(true) statements. [2023-10-12 17:23:44,954 INFO L201 PluginConnector]: Adding new model nzb-file-subst.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 05:23:44 BoogieIcfgContainer [2023-10-12 17:23:44,954 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-10-12 17:23:44,955 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-10-12 17:23:44,955 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-10-12 17:23:44,962 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-10-12 17:23:44,963 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-10-12 17:23:44,963 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "nzb-file-subst.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:23:44" (1/2) ... [2023-10-12 17:23:44,965 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2cf71f4b and model type nzb-file-subst.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 12.10 05:23:44, skipping insertion in model container [2023-10-12 17:23:44,965 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-10-12 17:23:44,965 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "nzb-file-subst.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 05:23:44" (2/2) ... [2023-10-12 17:23:44,966 INFO L332 chiAutomizerObserver]: Analyzing ICFG nzb-file-subst.wvr.bpl [2023-10-12 17:23:45,025 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-10-12 17:23:45,049 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 32 places, 31 transitions, 86 flow [2023-10-12 17:23:45,070 INFO L124 PetriNetUnfolderBase]: 6/25 cut-off events. [2023-10-12 17:23:45,071 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2023-10-12 17:23:45,075 INFO L83 FinitePrefix]: Finished finitePrefix Result has 38 conditions, 25 events. 6/25 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 29 event pairs, 0 based on Foata normal form. 0/18 useless extension candidates. Maximal degree in co-relation 21. Up to 2 conditions per place. [2023-10-12 17:23:45,075 INFO L82 GeneralOperation]: Start removeDead. Operand has 32 places, 31 transitions, 86 flow [2023-10-12 17:23:45,079 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 29 places, 25 transitions, 68 flow [2023-10-12 17:23:45,082 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2023-10-12 17:23:45,094 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 29 places, 25 transitions, 68 flow [2023-10-12 17:23:45,097 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 29 places, 25 transitions, 68 flow [2023-10-12 17:23:45,097 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 29 places, 25 transitions, 68 flow [2023-10-12 17:23:45,104 INFO L124 PetriNetUnfolderBase]: 6/25 cut-off events. [2023-10-12 17:23:45,105 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2023-10-12 17:23:45,105 INFO L83 FinitePrefix]: Finished finitePrefix Result has 38 conditions, 25 events. 6/25 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 29 event pairs, 0 based on Foata normal form. 0/18 useless extension candidates. Maximal degree in co-relation 21. Up to 2 conditions per place. [2023-10-12 17:23:45,106 INFO L119 LiptonReduction]: Number of co-enabled transitions 210 [2023-10-12 17:23:45,349 INFO L134 LiptonReduction]: Checked pairs total: 72 [2023-10-12 17:23:45,349 INFO L136 LiptonReduction]: Total number of compositions: 9 [2023-10-12 17:23:45,361 INFO L305 stractBuchiCegarLoop]: Interprodecural is true [2023-10-12 17:23:45,361 INFO L306 stractBuchiCegarLoop]: Hoare is false [2023-10-12 17:23:45,361 INFO L307 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-10-12 17:23:45,361 INFO L308 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-10-12 17:23:45,361 INFO L309 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-10-12 17:23:45,361 INFO L310 stractBuchiCegarLoop]: Difference is false [2023-10-12 17:23:45,361 INFO L311 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-10-12 17:23:45,362 INFO L315 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiPetriNetCegarLoop ======== [2023-10-12 17:23:45,362 INFO L84 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 24 places, 20 transitions, 58 flow [2023-10-12 17:23:45,366 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-10-12 17:23:45,366 INFO L124 PetriNetUnfolderBase]: 1/3 cut-off events. [2023-10-12 17:23:45,366 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-10-12 17:23:45,366 INFO L88 BuchiIsEmpty]: Finished buchiIsEmpty language is not empty [2023-10-12 17:23:45,369 INFO L337 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-10-12 17:23:45,369 INFO L84 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 24 places, 20 transitions, 58 flow [2023-10-12 17:23:45,370 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-10-12 17:23:45,371 INFO L124 PetriNetUnfolderBase]: 1/3 cut-off events. [2023-10-12 17:23:45,371 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-10-12 17:23:45,371 INFO L88 BuchiIsEmpty]: Finished buchiIsEmpty language is not empty [2023-10-12 17:23:45,375 INFO L748 eck$LassoCheckResult]: Stem: 36#[$Ultimate##0]true [157] $Ultimate##0-->$Ultimate##0: Formula: (= v_thread1Thread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_thidvar0] 38#[$Ultimate##0, L136]true [141] $Ultimate##0-->L41: Formula: (and (not v_is_null_1_15) (= v_i_13_30 0) (not v_break_14_39) (not v_is_null_5_15)) InVars {is_null_1=v_is_null_1_15, is_null_5=v_is_null_5_15} OutVars{i_13=v_i_13_30, is_null_5=v_is_null_5_15, break_14=v_break_14_39, is_null_1=v_is_null_1_15} AuxVars[] AssignedVars[i_13, break_14] 40#[L41, L136]true [2023-10-12 17:23:45,376 INFO L750 eck$LassoCheckResult]: Loop: 40#[L41, L136]true [144] L41-->L41: Formula: (let ((.cse2 (not v_break_14_55)) (.cse8 (select v_ends_with_6_31 v_i_13_35)) (.cse3 (not v_break_14_56)) (.cse9 (select v_ends_with_2_31 v_i_13_35))) (let ((.cse1 (not .cse9)) (.cse5 (not v_break_14_46)) (.cse0 (and .cse9 .cse3)) (.cse4 (and .cse9 .cse8)) (.cse7 (and .cse2 .cse8)) (.cse6 (not .cse8))) (and (or (and (or v_break_14_56 .cse0) v_break_14_55) (and (or v_break_14_56 .cse1) .cse2 .cse3)) (or (and (or v_break_14_46 .cse4) v_break_14_56) (and .cse5 (or .cse6 .cse1) .cse3)) .cse5 (< v_i_13_35 5) (= (+ v_i_13_35 1) v_i_13_34) (= v_result_12_39 (ite .cse7 (+ 1000 v_i_13_35) (ite .cse0 (+ v_i_13_35 (- 1000)) (ite .cse4 0 v_result_12_41)))) (or (and (or .cse7 v_break_14_55) v_break_14_43) (and (not v_break_14_43) .cse2 (or .cse6 v_break_14_55)))))) InVars {result_12=v_result_12_41, i_13=v_i_13_35, ends_with_6=v_ends_with_6_31, break_14=v_break_14_46, ends_with_2=v_ends_with_2_31} OutVars{result_12=v_result_12_39, i_13=v_i_13_34, ends_with_6=v_ends_with_6_31, break_14=v_break_14_43, ends_with_2=v_ends_with_2_31} AuxVars[v_break_14_55, v_break_14_56] AssignedVars[result_12, i_13, break_14] 40#[L41, L136]true [2023-10-12 17:23:45,380 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:23:45,380 INFO L85 PathProgramCache]: Analyzing trace with hash 5969, now seen corresponding path program 1 times [2023-10-12 17:23:45,388 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:23:45,389 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [197521454] [2023-10-12 17:23:45,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:23:45,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:23:45,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:23:45,509 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:23:45,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:23:45,539 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:23:45,541 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:23:45,542 INFO L85 PathProgramCache]: Analyzing trace with hash 175, now seen corresponding path program 1 times [2023-10-12 17:23:45,542 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:23:45,542 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [296112291] [2023-10-12 17:23:45,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:23:45,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:23:45,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:23:45,574 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:23:45,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:23:45,593 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:23:45,602 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:23:45,602 INFO L85 PathProgramCache]: Analyzing trace with hash 185183, now seen corresponding path program 1 times [2023-10-12 17:23:45,602 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:23:45,603 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2084300911] [2023-10-12 17:23:45,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:23:45,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:23:45,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:23:45,631 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:23:45,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:23:45,645 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:23:46,270 INFO L210 LassoAnalysis]: Preferences: [2023-10-12 17:23:46,271 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-10-12 17:23:46,271 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-10-12 17:23:46,271 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-10-12 17:23:46,271 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-10-12 17:23:46,272 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:23:46,272 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-10-12 17:23:46,272 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-10-12 17:23:46,272 INFO L133 ssoRankerPreferences]: Filename of dumped script: nzb-file-subst.wvr.bpl_BEv2_Iteration1_Lasso [2023-10-12 17:23:46,272 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-10-12 17:23:46,272 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-10-12 17:23:46,290 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 17:23:46,463 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 17:23:46,466 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 17:23:46,469 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 17:23:46,570 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 9 [2023-10-12 17:23:46,794 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-10-12 17:23:46,797 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-10-12 17:23:46,798 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:23:46,799 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:23:46,802 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 17:23:46,808 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 17:23:46,816 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:23:46,816 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:23:46,816 INFO L204 nArgumentSynthesizer]: 4 loop disjuncts [2023-10-12 17:23:46,816 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:23:46,833 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 17:23:46,881 INFO L401 nArgumentSynthesizer]: We have 48 Motzkin's Theorem applications. [2023-10-12 17:23:46,882 INFO L402 nArgumentSynthesizer]: A total of 8 supporting invariants were added. [2023-10-12 17:23:46,985 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-10-12 17:23:47,065 INFO L443 ModelExtractionUtils]: Simplification made 14 calls to the SMT solver. [2023-10-12 17:23:47,065 INFO L444 ModelExtractionUtils]: 43 out of 55 variables were initially zero. Simplification set additionally 9 variables to zero. [2023-10-12 17:23:47,066 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:23:47,067 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:23:47,077 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 17:23:47,079 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-10-12 17:23:47,088 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 17:23:47,095 INFO L438 nArgumentSynthesizer]: Removed 8 redundant supporting invariants from a total of 8. [2023-10-12 17:23:47,096 INFO L513 LassoAnalysis]: Proved termination. [2023-10-12 17:23:47,096 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(i_13) = -2*i_13 + 9 Supporting invariants [] [2023-10-12 17:23:47,105 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 17:23:47,108 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-10-12 17:23:47,131 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:23:47,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-10-12 17:23:47,144 INFO L262 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 2 conjunts are in the unsatisfiable core [2023-10-12 17:23:47,144 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-10-12 17:23:47,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-10-12 17:23:47,163 INFO L262 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 4 conjunts are in the unsatisfiable core [2023-10-12 17:23:47,163 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-10-12 17:23:47,164 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 17:23:47,189 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 17:23:47,190 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 17:23:47,303 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 270 transitions. [2023-10-12 17:23:47,304 INFO L79 BuchiIntersect]: Starting Intersection [2023-10-12 17:23:47,312 INFO L86 BuchiIntersect]: Exiting Intersection [2023-10-12 17:23:47,314 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 17:23:47,319 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 17:23:47,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 158 transitions. [2023-10-12 17:23:47,323 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 158 transitions. Stem has 2 letters. Loop has 1 letters. [2023-10-12 17:23:47,324 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:23:47,324 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 158 transitions. Stem has 3 letters. Loop has 1 letters. [2023-10-12 17:23:47,324 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:23:47,324 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 158 transitions. Stem has 2 letters. Loop has 2 letters. [2023-10-12 17:23:47,324 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:23:47,325 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 36 places, 268 transitions, 1324 flow [2023-10-12 17:23:47,403 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2023-10-12 17:23:47,435 INFO L124 PetriNetUnfolderBase]: 581/796 cut-off events. [2023-10-12 17:23:47,435 INFO L125 PetriNetUnfolderBase]: For 131/131 co-relation queries the response was YES. [2023-10-12 17:23:47,437 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1753 conditions, 796 events. 581/796 cut-off events. For 131/131 co-relation queries the response was YES. Maximal size of possible extension queue 59. Compared 2591 event pairs, 7 based on Foata normal form. 0/419 useless extension candidates. Maximal degree in co-relation 1265. Up to 203 conditions per place. [2023-10-12 17:23:47,438 INFO L82 GeneralOperation]: Start removeDeadBuchi. Operand has 36 places, 268 transitions, 1324 flow [2023-10-12 17:23:47,442 INFO L88 GeneralOperation]: Finished RemoveDeadBuchi, result has has 36 places, 268 transitions, 1324 flow [2023-10-12 17:23:47,442 INFO L430 stractBuchiCegarLoop]: Abstraction has has 36 places, 268 transitions, 1324 flow [2023-10-12 17:23:47,442 INFO L337 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-10-12 17:23:47,442 INFO L84 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 36 places, 268 transitions, 1324 flow [2023-10-12 17:23:47,451 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-10-12 17:23:47,451 INFO L124 PetriNetUnfolderBase]: 52/78 cut-off events. [2023-10-12 17:23:47,451 INFO L125 PetriNetUnfolderBase]: For 17/17 co-relation queries the response was YES. [2023-10-12 17:23:47,451 INFO L88 BuchiIsEmpty]: Finished buchiIsEmpty language is not empty [2023-10-12 17:23:47,452 INFO L748 eck$LassoCheckResult]: Stem: 36#[$Ultimate##0]true [157] $Ultimate##0-->$Ultimate##0: Formula: (= v_thread1Thread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_thidvar0] 38#[$Ultimate##0, L136]true [141] $Ultimate##0-->L41: Formula: (and (not v_is_null_1_15) (= v_i_13_30 0) (not v_break_14_39) (not v_is_null_5_15)) InVars {is_null_1=v_is_null_1_15, is_null_5=v_is_null_5_15} OutVars{i_13=v_i_13_30, is_null_5=v_is_null_5_15, break_14=v_break_14_39, is_null_1=v_is_null_1_15} AuxVars[] AssignedVars[i_13, break_14] 40#[L41, L136]true [160] L136-->$Ultimate##0: Formula: (and (= 2 v_thread2Thread1of1ForFork1_thidvar1_2) (= 2 v_thread2Thread1of1ForFork1_thidvar0_2)) InVars {} OutVars{thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_2, thread2Thread1of1ForFork1_thidvar1=v_thread2Thread1of1ForFork1_thidvar1_2} AuxVars[] AssignedVars[thread2Thread1of1ForFork1_thidvar0, thread2Thread1of1ForFork1_thidvar1] 87#[L41, $Ultimate##0, L137]true [146] $Ultimate##0-->L75: Formula: (and (= v_i_16_26 0) (not v_is_null_1_11) (not v_break_17_39) (not v_is_null_9_17)) InVars {is_null_1=v_is_null_1_11, is_null_9=v_is_null_9_17} OutVars{break_17=v_break_17_39, i_16=v_i_16_26, is_null_1=v_is_null_1_11, is_null_9=v_is_null_9_17} AuxVars[] AssignedVars[i_16, break_17] 89#[L41, L75, L137]true [149] L75-->L75: Formula: (let ((.cse1 (not v_break_17_58)) (.cse8 (select v_ends_with_2_29 v_i_16_33)) (.cse6 (not v_break_17_57)) (.cse9 (select v_ends_with_10_35 v_i_16_33))) (let ((.cse3 (not .cse9)) (.cse5 (and .cse9 .cse6)) (.cse0 (and .cse8 .cse9)) (.cse4 (not v_break_17_47)) (.cse7 (and .cse8 .cse1)) (.cse2 (not .cse8))) (and (or (and v_break_17_58 (or .cse0 v_break_17_47)) (and .cse1 (or .cse2 .cse3) .cse4)) (or (and v_break_17_45 (or .cse5 v_break_17_57)) (and (not v_break_17_45) (or v_break_17_57 .cse3) .cse6)) (= v_result_15_41 (ite .cse5 (+ 1000 v_i_16_33) (ite .cse7 (+ v_i_16_33 (- 1000)) (ite .cse0 0 v_result_15_42)))) .cse4 (< v_i_16_33 5) (= (+ v_i_16_33 1) v_i_16_32) (or (and (or v_break_17_58 .cse7) v_break_17_57) (and (or .cse2 v_break_17_58) .cse1 .cse6))))) InVars {break_17=v_break_17_47, ends_with_10=v_ends_with_10_35, i_16=v_i_16_33, result_15=v_result_15_42, ends_with_2=v_ends_with_2_29} OutVars{break_17=v_break_17_45, ends_with_10=v_ends_with_10_35, i_16=v_i_16_32, result_15=v_result_15_41, ends_with_2=v_ends_with_2_29} AuxVars[v_break_17_58, v_break_17_57] AssignedVars[i_16, result_15, break_17] 89#[L41, L75, L137]true [2023-10-12 17:23:47,452 INFO L750 eck$LassoCheckResult]: Loop: 89#[L41, L75, L137]true [149] L75-->L75: Formula: (let ((.cse1 (not v_break_17_58)) (.cse8 (select v_ends_with_2_29 v_i_16_33)) (.cse6 (not v_break_17_57)) (.cse9 (select v_ends_with_10_35 v_i_16_33))) (let ((.cse3 (not .cse9)) (.cse5 (and .cse9 .cse6)) (.cse0 (and .cse8 .cse9)) (.cse4 (not v_break_17_47)) (.cse7 (and .cse8 .cse1)) (.cse2 (not .cse8))) (and (or (and v_break_17_58 (or .cse0 v_break_17_47)) (and .cse1 (or .cse2 .cse3) .cse4)) (or (and v_break_17_45 (or .cse5 v_break_17_57)) (and (not v_break_17_45) (or v_break_17_57 .cse3) .cse6)) (= v_result_15_41 (ite .cse5 (+ 1000 v_i_16_33) (ite .cse7 (+ v_i_16_33 (- 1000)) (ite .cse0 0 v_result_15_42)))) .cse4 (< v_i_16_33 5) (= (+ v_i_16_33 1) v_i_16_32) (or (and (or v_break_17_58 .cse7) v_break_17_57) (and (or .cse2 v_break_17_58) .cse1 .cse6))))) InVars {break_17=v_break_17_47, ends_with_10=v_ends_with_10_35, i_16=v_i_16_33, result_15=v_result_15_42, ends_with_2=v_ends_with_2_29} OutVars{break_17=v_break_17_45, ends_with_10=v_ends_with_10_35, i_16=v_i_16_32, result_15=v_result_15_41, ends_with_2=v_ends_with_2_29} AuxVars[v_break_17_58, v_break_17_57] AssignedVars[i_16, result_15, break_17] 89#[L41, L75, L137]true [149] L75-->L75: Formula: (let ((.cse1 (not v_break_17_58)) (.cse8 (select v_ends_with_2_29 v_i_16_33)) (.cse6 (not v_break_17_57)) (.cse9 (select v_ends_with_10_35 v_i_16_33))) (let ((.cse3 (not .cse9)) (.cse5 (and .cse9 .cse6)) (.cse0 (and .cse8 .cse9)) (.cse4 (not v_break_17_47)) (.cse7 (and .cse8 .cse1)) (.cse2 (not .cse8))) (and (or (and v_break_17_58 (or .cse0 v_break_17_47)) (and .cse1 (or .cse2 .cse3) .cse4)) (or (and v_break_17_45 (or .cse5 v_break_17_57)) (and (not v_break_17_45) (or v_break_17_57 .cse3) .cse6)) (= v_result_15_41 (ite .cse5 (+ 1000 v_i_16_33) (ite .cse7 (+ v_i_16_33 (- 1000)) (ite .cse0 0 v_result_15_42)))) .cse4 (< v_i_16_33 5) (= (+ v_i_16_33 1) v_i_16_32) (or (and (or v_break_17_58 .cse7) v_break_17_57) (and (or .cse2 v_break_17_58) .cse1 .cse6))))) InVars {break_17=v_break_17_47, ends_with_10=v_ends_with_10_35, i_16=v_i_16_33, result_15=v_result_15_42, ends_with_2=v_ends_with_2_29} OutVars{break_17=v_break_17_45, ends_with_10=v_ends_with_10_35, i_16=v_i_16_32, result_15=v_result_15_41, ends_with_2=v_ends_with_2_29} AuxVars[v_break_17_58, v_break_17_57] AssignedVars[i_16, result_15, break_17] 89#[L41, L75, L137]true [2023-10-12 17:23:47,453 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:23:47,453 INFO L85 PathProgramCache]: Analyzing trace with hash 177980914, now seen corresponding path program 1 times [2023-10-12 17:23:47,453 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:23:47,453 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1066212564] [2023-10-12 17:23:47,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:23:47,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:23:47,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:23:47,463 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:23:47,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:23:47,476 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:23:47,477 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:23:47,477 INFO L85 PathProgramCache]: Analyzing trace with hash 5729, now seen corresponding path program 1 times [2023-10-12 17:23:47,477 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:23:47,477 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1604127095] [2023-10-12 17:23:47,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:23:47,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:23:47,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:23:47,493 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:23:47,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:23:47,503 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:23:47,504 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:23:47,504 INFO L85 PathProgramCache]: Analyzing trace with hash -759028718, now seen corresponding path program 2 times [2023-10-12 17:23:47,504 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:23:47,504 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [409515719] [2023-10-12 17:23:47,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:23:47,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:23:47,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:23:47,517 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:23:47,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:23:47,531 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:23:48,546 INFO L210 LassoAnalysis]: Preferences: [2023-10-12 17:23:48,547 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-10-12 17:23:48,547 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-10-12 17:23:48,547 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-10-12 17:23:48,547 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-10-12 17:23:48,547 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:23:48,547 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-10-12 17:23:48,547 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-10-12 17:23:48,547 INFO L133 ssoRankerPreferences]: Filename of dumped script: nzb-file-subst.wvr.bpl_BEv2_Iteration2_Lasso [2023-10-12 17:23:48,547 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-10-12 17:23:48,547 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-10-12 17:23:48,555 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 17:23:48,558 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 17:23:48,561 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 17:23:48,564 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 17:23:48,567 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 17:23:48,569 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 17:23:48,571 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 17:23:48,841 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 17:23:48,846 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 17:23:48,970 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 7 [2023-10-12 17:23:48,971 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 7 [2023-10-12 17:23:49,259 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-10-12 17:23:49,259 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-10-12 17:23:49,260 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:23:49,260 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:23:49,265 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 17:23:49,268 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 17:23:49,269 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 17:23:49,275 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:23:49,275 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:23:49,275 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:23:49,275 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:23:49,276 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:23:49,277 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:23:49,289 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:23:49,293 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2023-10-12 17:23:49,294 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:23:49,294 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:23:49,295 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 17:23:49,295 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 17:23:49,300 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 17:23:49,307 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:23:49,307 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:23:49,307 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:23:49,307 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:23:49,309 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:23:49,309 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:23:49,319 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:23:49,325 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 17:23:49,325 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:23:49,326 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:23:49,327 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 17:23:49,333 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 17:23:49,340 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:23:49,340 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:23:49,341 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:23:49,341 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:23:49,342 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:23:49,342 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:23:49,345 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 17:23:49,354 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:23:49,360 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 17:23:49,361 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:23:49,361 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:23:49,362 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 17:23:49,371 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 17:23:49,372 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 17:23:49,378 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:23:49,379 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:23:49,379 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:23:49,379 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:23:49,380 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:23:49,380 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:23:49,397 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:23:49,402 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 17:23:49,403 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:23:49,403 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:23:49,404 INFO L229 MonitoredProcess]: Starting monitored process 8 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 17:23:49,409 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2023-10-12 17:23:49,410 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 17:23:49,420 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:23:49,420 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:23:49,420 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:23:49,420 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:23:49,422 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:23:49,422 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:23:49,430 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:23:49,433 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2023-10-12 17:23:49,433 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:23:49,433 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:23:49,434 INFO L229 MonitoredProcess]: Starting monitored process 9 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 17:23:49,435 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2023-10-12 17:23:49,437 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 17:23:49,442 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:23:49,443 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:23:49,443 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:23:49,443 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:23:49,444 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:23:49,444 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:23:49,446 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:23:49,451 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2023-10-12 17:23:49,451 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:23:49,451 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:23:49,452 INFO L229 MonitoredProcess]: Starting monitored process 10 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 17:23:49,455 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2023-10-12 17:23:49,456 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 17:23:49,462 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:23:49,463 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-10-12 17:23:49,463 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:23:49,463 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:23:49,463 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:23:49,464 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-10-12 17:23:49,464 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-10-12 17:23:49,465 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:23:49,467 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2023-10-12 17:23:49,467 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:23:49,467 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:23:49,468 INFO L229 MonitoredProcess]: Starting monitored process 11 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 17:23:49,469 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2023-10-12 17:23:49,472 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 17:23:49,479 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:23:49,479 INFO L203 nArgumentSynthesizer]: 4 stem disjuncts [2023-10-12 17:23:49,479 INFO L204 nArgumentSynthesizer]: 4 loop disjuncts [2023-10-12 17:23:49,479 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:23:49,531 INFO L401 nArgumentSynthesizer]: We have 72 Motzkin's Theorem applications. [2023-10-12 17:23:49,531 INFO L402 nArgumentSynthesizer]: A total of 8 supporting invariants were added. [2023-10-12 17:23:49,663 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-10-12 17:23:49,739 INFO L443 ModelExtractionUtils]: Simplification made 15 calls to the SMT solver. [2023-10-12 17:23:49,739 INFO L444 ModelExtractionUtils]: 59 out of 73 variables were initially zero. Simplification set additionally 11 variables to zero. [2023-10-12 17:23:49,739 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:23:49,739 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:23:49,769 INFO L229 MonitoredProcess]: Starting monitored process 12 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 17:23:49,770 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2023-10-12 17:23:49,773 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-10-12 17:23:49,787 INFO L438 nArgumentSynthesizer]: Removed 8 redundant supporting invariants from a total of 8. [2023-10-12 17:23:49,787 INFO L513 LassoAnalysis]: Proved termination. [2023-10-12 17:23:49,787 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(i_16) = -1*i_16 + 4 Supporting invariants [] [2023-10-12 17:23:49,793 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2023-10-12 17:23:49,802 INFO L156 tatePredicateManager]: 1 out of 1 supporting invariants were superfluous and have been removed [2023-10-12 17:23:49,811 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:23:49,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-10-12 17:23:49,823 INFO L262 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 2 conjunts are in the unsatisfiable core [2023-10-12 17:23:49,823 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-10-12 17:23:49,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-10-12 17:23:49,842 INFO L262 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 5 conjunts are in the unsatisfiable core [2023-10-12 17:23:49,843 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-10-12 17:23:49,855 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-10-12 17:23:49,855 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2023-10-12 17:23:49,855 INFO L74 BuchiComplementNCSB]: Start buchiComplementNCSB. Operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-10-12 17:23:49,956 INFO L82 BuchiComplementNCSB]: Finished buchiComplementNCSB. Operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 6 states and 270 transitions. [2023-10-12 17:23:49,956 INFO L79 BuchiIntersect]: Starting Intersection [2023-10-12 17:23:49,974 INFO L86 BuchiIntersect]: Exiting Intersection [2023-10-12 17:23:49,974 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 17:23:49,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-10-12 17:23:49,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 158 transitions. [2023-10-12 17:23:49,976 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 158 transitions. Stem has 5 letters. Loop has 2 letters. [2023-10-12 17:23:49,976 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:23:49,976 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 158 transitions. Stem has 7 letters. Loop has 2 letters. [2023-10-12 17:23:49,977 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:23:49,977 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 158 transitions. Stem has 5 letters. Loop has 4 letters. [2023-10-12 17:23:49,977 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:23:49,977 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 48 places, 3600 transitions, 25128 flow [2023-10-12 17:23:50,135 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2023-10-12 17:23:50,389 INFO L124 PetriNetUnfolderBase]: 2015/2746 cut-off events. [2023-10-12 17:23:50,390 INFO L125 PetriNetUnfolderBase]: For 531/531 co-relation queries the response was YES. [2023-10-12 17:23:50,395 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8788 conditions, 2746 events. 2015/2746 cut-off events. For 531/531 co-relation queries the response was YES. Maximal size of possible extension queue 166. Compared 11077 event pairs, 8 based on Foata normal form. 0/1398 useless extension candidates. Maximal degree in co-relation 6733. Up to 743 conditions per place. [2023-10-12 17:23:50,395 INFO L82 GeneralOperation]: Start removeDeadBuchi. Operand has 48 places, 3600 transitions, 25128 flow [2023-10-12 17:23:50,458 INFO L88 GeneralOperation]: Finished RemoveDeadBuchi, result has has 48 places, 3600 transitions, 25128 flow [2023-10-12 17:23:50,458 INFO L430 stractBuchiCegarLoop]: Abstraction has has 48 places, 3600 transitions, 25128 flow [2023-10-12 17:23:50,459 INFO L337 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2023-10-12 17:23:50,459 INFO L84 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 48 places, 3600 transitions, 25128 flow [2023-10-12 17:23:50,497 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-10-12 17:23:50,497 INFO L124 PetriNetUnfolderBase]: 188/252 cut-off events. [2023-10-12 17:23:50,497 INFO L125 PetriNetUnfolderBase]: For 36/36 co-relation queries the response was YES. [2023-10-12 17:23:50,497 INFO L88 BuchiIsEmpty]: Finished buchiIsEmpty language is not empty [2023-10-12 17:23:50,498 INFO L748 eck$LassoCheckResult]: Stem: 36#[$Ultimate##0]true [157] $Ultimate##0-->$Ultimate##0: Formula: (= v_thread1Thread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_thidvar0] 38#[$Ultimate##0, L136]true [160] L136-->$Ultimate##0: Formula: (and (= 2 v_thread2Thread1of1ForFork1_thidvar1_2) (= 2 v_thread2Thread1of1ForFork1_thidvar0_2)) InVars {} OutVars{thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_2, thread2Thread1of1ForFork1_thidvar1=v_thread2Thread1of1ForFork1_thidvar1_2} AuxVars[] AssignedVars[thread2Thread1of1ForFork1_thidvar0, thread2Thread1of1ForFork1_thidvar1] 149#[$Ultimate##0, L137, $Ultimate##0]true [163] L137-->$Ultimate##0: Formula: (and (= 3 v_thread3Thread1of1ForFork2_thidvar0_2) (= 3 v_thread3Thread1of1ForFork2_thidvar1_2) (= 3 v_thread3Thread1of1ForFork2_thidvar2_2)) InVars {} OutVars{thread3Thread1of1ForFork2_thidvar2=v_thread3Thread1of1ForFork2_thidvar2_2, thread3Thread1of1ForFork2_thidvar1=v_thread3Thread1of1ForFork2_thidvar1_2, thread3Thread1of1ForFork2_thidvar0=v_thread3Thread1of1ForFork2_thidvar0_2} AuxVars[] AssignedVars[thread3Thread1of1ForFork2_thidvar2, thread3Thread1of1ForFork2_thidvar1, thread3Thread1of1ForFork2_thidvar0] 151#[$Ultimate##0, $Ultimate##0, L138, $Ultimate##0]true [141] $Ultimate##0-->L41: Formula: (and (not v_is_null_1_15) (= v_i_13_30 0) (not v_break_14_39) (not v_is_null_5_15)) InVars {is_null_1=v_is_null_1_15, is_null_5=v_is_null_5_15} OutVars{i_13=v_i_13_30, is_null_5=v_is_null_5_15, break_14=v_break_14_39, is_null_1=v_is_null_1_15} AuxVars[] AssignedVars[i_13, break_14] 153#[L41, $Ultimate##0, L138, $Ultimate##0]true [151] $Ultimate##0-->L109: Formula: (and (= v_i_19_14 0) (not v_break_20_13) (not v_is_null_5_11) (not v_is_null_9_11)) InVars {is_null_5=v_is_null_5_11, is_null_9=v_is_null_9_11} OutVars{break_20=v_break_20_13, i_19=v_i_19_14, is_null_5=v_is_null_5_11, is_null_9=v_is_null_9_11} AuxVars[] AssignedVars[break_20, i_19] 155#[L41, $Ultimate##0, L138, L109]true [154] L109-->L109: Formula: (let ((.cse0 (not v_break_20_58)) (.cse1 (not v_break_20_57)) (.cse8 (select v_ends_with_10_31 v_i_19_33)) (.cse9 (select v_ends_with_6_29 v_i_19_33))) (let ((.cse2 (not .cse9)) (.cse6 (not v_break_20_47)) (.cse5 (not .cse8)) (.cse7 (and .cse1 .cse8)) (.cse3 (and .cse0 .cse9)) (.cse4 (and .cse8 .cse9))) (and (or (and .cse0 .cse1 (or .cse2 v_break_20_58)) (and (or v_break_20_58 .cse3) v_break_20_57)) (< v_i_19_33 5) (= v_i_19_32 (+ v_i_19_33 1)) (or (and (or .cse4 v_break_20_47) v_break_20_58) (and .cse0 (or .cse2 .cse5) .cse6)) .cse6 (or (and (or .cse5 v_break_20_57) .cse1 (not v_break_20_45)) (and (or .cse7 v_break_20_57) v_break_20_45)) (= v_result_18_41 (ite .cse7 (+ 1000 v_i_19_33) (ite .cse3 (+ v_i_19_33 (- 1000)) (ite .cse4 0 v_result_18_42))))))) InVars {i_19=v_i_19_33, break_20=v_break_20_47, ends_with_10=v_ends_with_10_31, ends_with_6=v_ends_with_6_29, result_18=v_result_18_42} OutVars{i_19=v_i_19_32, break_20=v_break_20_45, ends_with_10=v_ends_with_10_31, ends_with_6=v_ends_with_6_29, result_18=v_result_18_41} AuxVars[v_break_20_58, v_break_20_57] AssignedVars[i_19, break_20, result_18] 155#[L41, $Ultimate##0, L138, L109]true [2023-10-12 17:23:50,498 INFO L750 eck$LassoCheckResult]: Loop: 155#[L41, $Ultimate##0, L138, L109]true [154] L109-->L109: Formula: (let ((.cse0 (not v_break_20_58)) (.cse1 (not v_break_20_57)) (.cse8 (select v_ends_with_10_31 v_i_19_33)) (.cse9 (select v_ends_with_6_29 v_i_19_33))) (let ((.cse2 (not .cse9)) (.cse6 (not v_break_20_47)) (.cse5 (not .cse8)) (.cse7 (and .cse1 .cse8)) (.cse3 (and .cse0 .cse9)) (.cse4 (and .cse8 .cse9))) (and (or (and .cse0 .cse1 (or .cse2 v_break_20_58)) (and (or v_break_20_58 .cse3) v_break_20_57)) (< v_i_19_33 5) (= v_i_19_32 (+ v_i_19_33 1)) (or (and (or .cse4 v_break_20_47) v_break_20_58) (and .cse0 (or .cse2 .cse5) .cse6)) .cse6 (or (and (or .cse5 v_break_20_57) .cse1 (not v_break_20_45)) (and (or .cse7 v_break_20_57) v_break_20_45)) (= v_result_18_41 (ite .cse7 (+ 1000 v_i_19_33) (ite .cse3 (+ v_i_19_33 (- 1000)) (ite .cse4 0 v_result_18_42))))))) InVars {i_19=v_i_19_33, break_20=v_break_20_47, ends_with_10=v_ends_with_10_31, ends_with_6=v_ends_with_6_29, result_18=v_result_18_42} OutVars{i_19=v_i_19_32, break_20=v_break_20_45, ends_with_10=v_ends_with_10_31, ends_with_6=v_ends_with_6_29, result_18=v_result_18_41} AuxVars[v_break_20_58, v_break_20_57] AssignedVars[i_19, break_20, result_18] 155#[L41, $Ultimate##0, L138, L109]true [154] L109-->L109: Formula: (let ((.cse0 (not v_break_20_58)) (.cse1 (not v_break_20_57)) (.cse8 (select v_ends_with_10_31 v_i_19_33)) (.cse9 (select v_ends_with_6_29 v_i_19_33))) (let ((.cse2 (not .cse9)) (.cse6 (not v_break_20_47)) (.cse5 (not .cse8)) (.cse7 (and .cse1 .cse8)) (.cse3 (and .cse0 .cse9)) (.cse4 (and .cse8 .cse9))) (and (or (and .cse0 .cse1 (or .cse2 v_break_20_58)) (and (or v_break_20_58 .cse3) v_break_20_57)) (< v_i_19_33 5) (= v_i_19_32 (+ v_i_19_33 1)) (or (and (or .cse4 v_break_20_47) v_break_20_58) (and .cse0 (or .cse2 .cse5) .cse6)) .cse6 (or (and (or .cse5 v_break_20_57) .cse1 (not v_break_20_45)) (and (or .cse7 v_break_20_57) v_break_20_45)) (= v_result_18_41 (ite .cse7 (+ 1000 v_i_19_33) (ite .cse3 (+ v_i_19_33 (- 1000)) (ite .cse4 0 v_result_18_42))))))) InVars {i_19=v_i_19_33, break_20=v_break_20_47, ends_with_10=v_ends_with_10_31, ends_with_6=v_ends_with_6_29, result_18=v_result_18_42} OutVars{i_19=v_i_19_32, break_20=v_break_20_45, ends_with_10=v_ends_with_10_31, ends_with_6=v_ends_with_6_29, result_18=v_result_18_41} AuxVars[v_break_20_58, v_break_20_57] AssignedVars[i_19, break_20, result_18] 155#[L41, $Ultimate##0, L138, L109]true [2023-10-12 17:23:50,498 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:23:50,499 INFO L85 PathProgramCache]: Analyzing trace with hash 1240072721, now seen corresponding path program 1 times [2023-10-12 17:23:50,499 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:23:50,499 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [672552186] [2023-10-12 17:23:50,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:23:50,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:23:50,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:23:50,508 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:23:50,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:23:50,516 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:23:50,517 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:23:50,517 INFO L85 PathProgramCache]: Analyzing trace with hash 5889, now seen corresponding path program 1 times [2023-10-12 17:23:50,517 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:23:50,517 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1769675276] [2023-10-12 17:23:50,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:23:50,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:23:50,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:23:50,525 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:23:50,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:23:50,534 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:23:50,534 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:23:50,535 INFO L85 PathProgramCache]: Analyzing trace with hash 2003948817, now seen corresponding path program 2 times [2023-10-12 17:23:50,535 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:23:50,535 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1573420520] [2023-10-12 17:23:50,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:23:50,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:23:50,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:23:50,545 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:23:50,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:23:50,558 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:23:51,577 INFO L210 LassoAnalysis]: Preferences: [2023-10-12 17:23:51,578 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-10-12 17:23:51,578 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-10-12 17:23:51,578 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-10-12 17:23:51,578 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-10-12 17:23:51,578 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:23:51,578 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-10-12 17:23:51,578 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-10-12 17:23:51,578 INFO L133 ssoRankerPreferences]: Filename of dumped script: nzb-file-subst.wvr.bpl_BEv2_Iteration3_Lasso [2023-10-12 17:23:51,578 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-10-12 17:23:51,578 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-10-12 17:23:51,582 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 17:23:51,584 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 17:23:51,587 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 17:23:51,589 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 17:23:51,592 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 17:23:51,594 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 17:23:51,596 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 17:23:51,598 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 17:23:51,600 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 17:23:51,602 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 17:23:51,605 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 17:23:51,606 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 17:23:51,969 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 11 [2023-10-12 17:23:51,971 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 7 [2023-10-12 17:23:52,280 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-10-12 17:23:52,280 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-10-12 17:23:52,280 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:23:52,281 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:23:52,285 INFO L229 MonitoredProcess]: Starting monitored process 13 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 17:23:52,287 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2023-10-12 17:23:52,289 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 17:23:52,301 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:23:52,301 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:23:52,301 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:23:52,301 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:23:52,303 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:23:52,304 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:23:52,329 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:23:52,335 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2023-10-12 17:23:52,335 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:23:52,335 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:23:52,336 INFO L229 MonitoredProcess]: Starting monitored process 14 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 17:23:52,339 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2023-10-12 17:23:52,341 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 17:23:52,347 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:23:52,348 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:23:52,348 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:23:52,348 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:23:52,349 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:23:52,349 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:23:52,352 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:23:52,354 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2023-10-12 17:23:52,354 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:23:52,354 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:23:52,355 INFO L229 MonitoredProcess]: Starting monitored process 15 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 17:23:52,356 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2023-10-12 17:23:52,359 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 17:23:52,364 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:23:52,364 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:23:52,365 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:23:52,365 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:23:52,367 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:23:52,367 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:23:52,371 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:23:52,375 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2023-10-12 17:23:52,375 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:23:52,375 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:23:52,376 INFO L229 MonitoredProcess]: Starting monitored process 16 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 17:23:52,378 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2023-10-12 17:23:52,380 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 17:23:52,386 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:23:52,386 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:23:52,386 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:23:52,386 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:23:52,387 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:23:52,387 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:23:52,390 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:23:52,393 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2023-10-12 17:23:52,393 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:23:52,393 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:23:52,394 INFO L229 MonitoredProcess]: Starting monitored process 17 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 17:23:52,395 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2023-10-12 17:23:52,397 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 17:23:52,403 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:23:52,403 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:23:52,403 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:23:52,403 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:23:52,404 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:23:52,404 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:23:52,407 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:23:52,411 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2023-10-12 17:23:52,411 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:23:52,411 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:23:52,412 INFO L229 MonitoredProcess]: Starting monitored process 18 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 17:23:52,414 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2023-10-12 17:23:52,416 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 17:23:52,421 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:23:52,422 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:23:52,422 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:23:52,422 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:23:52,423 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:23:52,423 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:23:52,425 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:23:52,429 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2023-10-12 17:23:52,429 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:23:52,429 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:23:52,430 INFO L229 MonitoredProcess]: Starting monitored process 19 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 17:23:52,431 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2023-10-12 17:23:52,434 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 17:23:52,440 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:23:52,441 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:23:52,441 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:23:52,441 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:23:52,442 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:23:52,442 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:23:52,444 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:23:52,446 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2023-10-12 17:23:52,446 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:23:52,446 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:23:52,447 INFO L229 MonitoredProcess]: Starting monitored process 20 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 17:23:52,455 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2023-10-12 17:23:52,455 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 17:23:52,461 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:23:52,461 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:23:52,461 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:23:52,461 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:23:52,462 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:23:52,462 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:23:52,465 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:23:52,467 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2023-10-12 17:23:52,467 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:23:52,467 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:23:52,468 INFO L229 MonitoredProcess]: Starting monitored process 21 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 17:23:52,470 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2023-10-12 17:23:52,472 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 17:23:52,477 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:23:52,477 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:23:52,478 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:23:52,478 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:23:52,479 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:23:52,479 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:23:52,481 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:23:52,485 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2023-10-12 17:23:52,486 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:23:52,486 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:23:52,487 INFO L229 MonitoredProcess]: Starting monitored process 22 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 17:23:52,487 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2023-10-12 17:23:52,491 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 17:23:52,496 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:23:52,496 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:23:52,496 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:23:52,496 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:23:52,497 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:23:52,498 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:23:52,500 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:23:52,504 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2023-10-12 17:23:52,505 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:23:52,505 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:23:52,506 INFO L229 MonitoredProcess]: Starting monitored process 23 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 17:23:52,507 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2023-10-12 17:23:52,509 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 17:23:52,515 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:23:52,515 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:23:52,515 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:23:52,515 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:23:52,516 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:23:52,516 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:23:52,518 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:23:52,520 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2023-10-12 17:23:52,520 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:23:52,521 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:23:52,521 INFO L229 MonitoredProcess]: Starting monitored process 24 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 17:23:52,523 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2023-10-12 17:23:52,525 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 17:23:52,530 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:23:52,530 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-10-12 17:23:52,530 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:23:52,530 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:23:52,530 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:23:52,531 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-10-12 17:23:52,531 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-10-12 17:23:52,532 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:23:52,534 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Ended with exit code 0 [2023-10-12 17:23:52,534 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:23:52,534 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:23:52,537 INFO L229 MonitoredProcess]: Starting monitored process 25 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 17:23:52,538 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2023-10-12 17:23:52,539 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 17:23:52,544 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:23:52,544 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-10-12 17:23:52,544 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:23:52,544 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:23:52,544 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:23:52,545 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-10-12 17:23:52,545 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-10-12 17:23:52,546 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:23:52,548 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2023-10-12 17:23:52,548 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:23:52,548 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:23:52,549 INFO L229 MonitoredProcess]: Starting monitored process 26 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 17:23:52,550 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2023-10-12 17:23:52,552 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 17:23:52,558 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:23:52,558 INFO L203 nArgumentSynthesizer]: 4 stem disjuncts [2023-10-12 17:23:52,558 INFO L204 nArgumentSynthesizer]: 4 loop disjuncts [2023-10-12 17:23:52,558 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:23:52,611 INFO L401 nArgumentSynthesizer]: We have 72 Motzkin's Theorem applications. [2023-10-12 17:23:52,611 INFO L402 nArgumentSynthesizer]: A total of 8 supporting invariants were added. [2023-10-12 17:23:52,769 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-10-12 17:23:52,886 INFO L443 ModelExtractionUtils]: Simplification made 26 calls to the SMT solver. [2023-10-12 17:23:52,886 INFO L444 ModelExtractionUtils]: 57 out of 73 variables were initially zero. Simplification set additionally 13 variables to zero. [2023-10-12 17:23:52,886 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:23:52,887 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:23:52,889 INFO L229 MonitoredProcess]: Starting monitored process 27 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 17:23:52,893 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2023-10-12 17:23:52,893 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-10-12 17:23:52,903 INFO L438 nArgumentSynthesizer]: Removed 8 redundant supporting invariants from a total of 8. [2023-10-12 17:23:52,903 INFO L513 LassoAnalysis]: Proved termination. [2023-10-12 17:23:52,903 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(i_19) = -1*i_19 + 4 Supporting invariants [] [2023-10-12 17:23:52,909 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2023-10-12 17:23:52,911 INFO L156 tatePredicateManager]: 1 out of 1 supporting invariants were superfluous and have been removed [2023-10-12 17:23:52,922 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:23:52,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-10-12 17:23:52,932 INFO L262 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 2 conjunts are in the unsatisfiable core [2023-10-12 17:23:52,932 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-10-12 17:23:52,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-10-12 17:23:52,948 INFO L262 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 5 conjunts are in the unsatisfiable core [2023-10-12 17:23:52,948 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-10-12 17:23:52,956 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-10-12 17:23:52,957 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2023-10-12 17:23:52,957 INFO L74 BuchiComplementNCSB]: Start buchiComplementNCSB. Operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 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 17:23:53,037 INFO L82 BuchiComplementNCSB]: Finished buchiComplementNCSB. Operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 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 270 transitions. [2023-10-12 17:23:53,037 INFO L79 BuchiIntersect]: Starting Intersection [2023-10-12 17:23:53,430 INFO L86 BuchiIntersect]: Exiting Intersection [2023-10-12 17:23:53,430 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2023-10-12 17:23:53,431 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 17:23:53,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 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 17:23:53,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 158 transitions. [2023-10-12 17:23:53,433 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 158 transitions. Stem has 6 letters. Loop has 2 letters. [2023-10-12 17:23:53,433 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:23:53,434 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 158 transitions. Stem has 8 letters. Loop has 2 letters. [2023-10-12 17:23:53,434 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:23:53,434 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 158 transitions. Stem has 6 letters. Loop has 4 letters. [2023-10-12 17:23:53,434 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:23:53,434 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 60 places, 48432 transitions, 436848 flow [2023-10-12 17:24:06,010 INFO L124 PetriNetUnfolderBase]: 6113/8437 cut-off events. [2023-10-12 17:24:06,011 INFO L125 PetriNetUnfolderBase]: For 1978/1978 co-relation queries the response was YES. [2023-10-12 17:24:06,020 INFO L83 FinitePrefix]: Finished finitePrefix Result has 35127 conditions, 8437 events. 6113/8437 cut-off events. For 1978/1978 co-relation queries the response was YES. Maximal size of possible extension queue 481. Compared 41907 event pairs, 13 based on Foata normal form. 0/4243 useless extension candidates. Maximal degree in co-relation 26578. Up to 2311 conditions per place. [2023-10-12 17:24:06,021 INFO L82 GeneralOperation]: Start removeDeadBuchi. Operand has 60 places, 48432 transitions, 436848 flow [2023-10-12 17:24:06,462 INFO L88 GeneralOperation]: Finished RemoveDeadBuchi, result has has 60 places, 48432 transitions, 436848 flow [2023-10-12 17:24:06,462 INFO L430 stractBuchiCegarLoop]: Abstraction has has 60 places, 48432 transitions, 436848 flow [2023-10-12 17:24:06,462 INFO L337 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2023-10-12 17:24:06,462 INFO L84 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 60 places, 48432 transitions, 436848 flow [2023-10-12 17:24:22,183 INFO L124 PetriNetUnfolderBase]: 6113/8437 cut-off events. [2023-10-12 17:24:22,184 INFO L125 PetriNetUnfolderBase]: For 1978/1978 co-relation queries the response was YES. [2023-10-12 17:24:22,184 INFO L88 BuchiIsEmpty]: Finished buchiIsEmpty language is empty [2023-10-12 17:24:22,188 INFO L201 PluginConnector]: Adding new model nzb-file-subst.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 12.10 05:24:22 BoogieIcfgContainer [2023-10-12 17:24:22,188 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-10-12 17:24:22,189 INFO L158 Benchmark]: Toolchain (without parser) took 37683.69ms. Allocated memory was 174.1MB in the beginning and 1.0GB in the end (delta: 845.2MB). Free memory was 126.6MB in the beginning and 503.1MB in the end (delta: -376.5MB). Peak memory consumption was 774.7MB. Max. memory is 8.0GB. [2023-10-12 17:24:22,189 INFO L158 Benchmark]: Boogie PL CUP Parser took 2.38ms. Allocated memory is still 174.1MB. Free memory is still 128.1MB. There was no memory consumed. Max. memory is 8.0GB. [2023-10-12 17:24:22,189 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.03ms. Allocated memory is still 174.1MB. Free memory was 126.6MB in the beginning and 125.1MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-10-12 17:24:22,190 INFO L158 Benchmark]: Boogie Preprocessor took 27.20ms. Allocated memory is still 174.1MB. Free memory was 124.9MB in the beginning and 123.9MB in the end (delta: 1.1MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2023-10-12 17:24:22,190 INFO L158 Benchmark]: RCFGBuilder took 381.33ms. Allocated memory is still 174.1MB. Free memory was 123.7MB in the beginning and 143.3MB in the end (delta: -19.6MB). Peak memory consumption was 24.0MB. Max. memory is 8.0GB. [2023-10-12 17:24:22,190 INFO L158 Benchmark]: BuchiAutomizer took 37233.21ms. Allocated memory was 174.1MB in the beginning and 1.0GB in the end (delta: 845.2MB). Free memory was 143.0MB in the beginning and 503.1MB in the end (delta: -360.1MB). Peak memory consumption was 789.5MB. Max. memory is 8.0GB. [2023-10-12 17:24:22,197 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 2.38ms. Allocated memory is still 174.1MB. Free memory is still 128.1MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 38.03ms. Allocated memory is still 174.1MB. Free memory was 126.6MB in the beginning and 125.1MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 27.20ms. Allocated memory is still 174.1MB. Free memory was 124.9MB in the beginning and 123.9MB in the end (delta: 1.1MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 381.33ms. Allocated memory is still 174.1MB. Free memory was 123.7MB in the beginning and 143.3MB in the end (delta: -19.6MB). Peak memory consumption was 24.0MB. Max. memory is 8.0GB. * BuchiAutomizer took 37233.21ms. Allocated memory was 174.1MB in the beginning and 1.0GB in the end (delta: 845.2MB). Free memory was 143.0MB in the beginning and 503.1MB in the end (delta: -360.1MB). Peak memory consumption was 789.5MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 3 terminating modules (0 trivial, 3 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -2 * i_13 + 9 and consists of 4 locations. One deterministic module has affine ranking function 4 + -1 * i_16 and consists of 4 locations. One deterministic module has affine ranking function -1 * i_19 + 4 and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 37.1s and 4 iterations. TraceHistogramMax:0. Analysis of lassos took 6.5s. Construction of modules took 0.1s. Büchi inclusion checks took 0.7s. 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 [3, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 2/2 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 216 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 213 mSDsluCounter, 132 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 60 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 271 IncrementalHoareTripleChecker+Invalid, 274 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 72 mSDtfsCounter, 271 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso3 LassoPreprocessingBenchmarks: Lassos: inital178 mio100 ax100 hnf100 lsp388 ukn16 mio100 lsp100 div100 bol140 ite100 ukn100 eq137 hnf98 smp100 dnf422 smp25 tf100 neg100 sie117 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 320ms VariablesStem: 6 VariablesLoop: 8 DisjunctsStem: 4 DisjunctsLoop: 4 SupportingInvariants: 8 MotzkinApplications: 72 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.3s - 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: 0.3s, 29 PlacesBefore, 24 PlacesAfterwards, 25 TransitionsBefore, 20 TransitionsAfterwards, 210 CoEnabledTransitionPairs, 2 FixpointIterations, 3 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 6 ConcurrentYvCompositions, 0 ChoiceCompositions, 9 TotalNumberOfCompositions, 72 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 72, independent: 72, independent conditional: 0, independent unconditional: 72, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 72, independent: 72, independent conditional: 0, independent unconditional: 72, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 72, independent: 72, independent conditional: 0, independent unconditional: 72, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 72, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 72, unknown conditional: 0, unknown unconditional: 72] , 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 17:24:22,214 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...