/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_AUTOMATON -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/chl/poker-hand-subst.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.3-wip.fs.rabin-petrinet-4c29625-m [2023-10-12 17:13:16,417 INFO L172 SettingsManager]: Resetting all preferences to default values... [2023-10-12 17:13:16,478 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 17:13:16,499 INFO L114 SettingsManager]: Preferences different from defaults after loading the file: [2023-10-12 17:13:16,500 INFO L135 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-10-12 17:13:16,500 INFO L137 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-10-12 17:13:16,501 INFO L135 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-10-12 17:13:16,501 INFO L137 SettingsManager]: * Create parallel compositions if possible=false [2023-10-12 17:13:16,502 INFO L137 SettingsManager]: * Use SBE=true [2023-10-12 17:13:16,505 INFO L135 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-10-12 17:13:16,505 INFO L137 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-10-12 17:13:16,505 INFO L137 SettingsManager]: * Use old map elimination=false [2023-10-12 17:13:16,505 INFO L137 SettingsManager]: * Use external solver (rank synthesis)=false [2023-10-12 17:13:16,506 INFO L137 SettingsManager]: * Use only trivial implications for array writes=true [2023-10-12 17:13:16,507 INFO L137 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-10-12 17:13:16,507 INFO L135 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-10-12 17:13:16,507 INFO L137 SettingsManager]: * sizeof long=4 [2023-10-12 17:13:16,507 INFO L137 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-10-12 17:13:16,507 INFO L137 SettingsManager]: * Overapproximate operations on floating types=true [2023-10-12 17:13:16,507 INFO L137 SettingsManager]: * sizeof POINTER=4 [2023-10-12 17:13:16,508 INFO L137 SettingsManager]: * Check division by zero=IGNORE [2023-10-12 17:13:16,508 INFO L137 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-10-12 17:13:16,508 INFO L137 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-10-12 17:13:16,508 INFO L137 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-10-12 17:13:16,508 INFO L137 SettingsManager]: * sizeof long double=12 [2023-10-12 17:13:16,509 INFO L137 SettingsManager]: * Check if freed pointer was valid=false [2023-10-12 17:13:16,509 INFO L137 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-10-12 17:13:16,509 INFO L137 SettingsManager]: * Use constant arrays=true [2023-10-12 17:13:16,509 INFO L137 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-10-12 17:13:16,509 INFO L135 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-10-12 17:13:16,510 INFO L137 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-10-12 17:13:16,510 INFO L135 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-10-12 17:13:16,510 INFO L137 SettingsManager]: * Trace refinement strategy=CAMEL [2023-10-12 17:13:16,511 INFO L135 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-10-12 17:13:16,511 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: Automaton type for concurrent programs -> BUCHI_AUTOMATON [2023-10-12 17:13:16,694 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-10-12 17:13:16,712 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-10-12 17:13:16,713 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-10-12 17:13:16,714 INFO L270 PluginConnector]: Initializing Boogie PL CUP Parser... [2023-10-12 17:13:16,715 INFO L274 PluginConnector]: Boogie PL CUP Parser initialized [2023-10-12 17:13:16,715 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/chl/poker-hand-subst.wvr.bpl [2023-10-12 17:13:16,716 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/chl/poker-hand-subst.wvr.bpl' [2023-10-12 17:13:16,755 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-10-12 17:13:16,756 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2023-10-12 17:13:16,757 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-10-12 17:13:16,757 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-10-12 17:13:16,757 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-10-12 17:13:16,765 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "poker-hand-subst.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:13:16" (1/1) ... [2023-10-12 17:13:16,784 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "poker-hand-subst.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:13:16" (1/1) ... [2023-10-12 17:13:16,791 INFO L138 Inliner]: procedures = 4, calls = 3, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2023-10-12 17:13:16,792 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-10-12 17:13:16,793 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-10-12 17:13:16,794 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-10-12 17:13:16,794 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-10-12 17:13:16,800 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "poker-hand-subst.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:13:16" (1/1) ... [2023-10-12 17:13:16,800 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "poker-hand-subst.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:13:16" (1/1) ... [2023-10-12 17:13:16,813 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "poker-hand-subst.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:13:16" (1/1) ... [2023-10-12 17:13:16,813 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "poker-hand-subst.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:13:16" (1/1) ... [2023-10-12 17:13:16,824 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "poker-hand-subst.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:13:16" (1/1) ... [2023-10-12 17:13:16,834 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "poker-hand-subst.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:13:16" (1/1) ... [2023-10-12 17:13:16,836 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "poker-hand-subst.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:13:16" (1/1) ... [2023-10-12 17:13:16,837 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "poker-hand-subst.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:13:16" (1/1) ... [2023-10-12 17:13:16,839 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-10-12 17:13:16,840 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-10-12 17:13:16,840 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-10-12 17:13:16,840 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-10-12 17:13:16,848 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "poker-hand-subst.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:13:16" (1/1) ... [2023-10-12 17:13:16,853 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:13:16,858 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:13:16,873 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 17:13:16,894 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 17:13:16,946 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2023-10-12 17:13:16,946 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-10-12 17:13:16,949 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-10-12 17:13:16,949 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2023-10-12 17:13:16,949 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-10-12 17:13:16,949 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-10-12 17:13:16,949 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2023-10-12 17:13:16,949 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-10-12 17:13:16,949 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-10-12 17:13:16,949 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2023-10-12 17:13:16,950 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-10-12 17:13:16,950 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-10-12 17:13:16,950 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 17:13:16,999 INFO L236 CfgBuilder]: Building ICFG [2023-10-12 17:13:17,000 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-10-12 17:13:17,340 INFO L277 CfgBuilder]: Performing block encoding [2023-10-12 17:13:17,451 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-10-12 17:13:17,452 INFO L302 CfgBuilder]: Removed 6 assume(true) statements. [2023-10-12 17:13:17,453 INFO L201 PluginConnector]: Adding new model poker-hand-subst.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 05:13:17 BoogieIcfgContainer [2023-10-12 17:13:17,453 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-10-12 17:13:17,454 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-10-12 17:13:17,454 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-10-12 17:13:17,457 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-10-12 17:13:17,457 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-10-12 17:13:17,457 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "poker-hand-subst.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:13:16" (1/2) ... [2023-10-12 17:13:17,458 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@46de00ea and model type poker-hand-subst.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 12.10 05:13:17, skipping insertion in model container [2023-10-12 17:13:17,458 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-10-12 17:13:17,459 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "poker-hand-subst.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 05:13:17" (2/2) ... [2023-10-12 17:13:17,459 INFO L332 chiAutomizerObserver]: Analyzing ICFG poker-hand-subst.wvr.bpl [2023-10-12 17:13:17,501 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-10-12 17:13:17,520 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 35 places, 40 transitions, 104 flow [2023-10-12 17:13:17,537 INFO L124 PetriNetUnfolderBase]: 12/34 cut-off events. [2023-10-12 17:13:17,537 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2023-10-12 17:13:17,541 INFO L83 FinitePrefix]: Finished finitePrefix Result has 47 conditions, 34 events. 12/34 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 52 event pairs, 0 based on Foata normal form. 0/21 useless extension candidates. Maximal degree in co-relation 30. Up to 3 conditions per place. [2023-10-12 17:13:17,541 INFO L82 GeneralOperation]: Start removeDead. Operand has 35 places, 40 transitions, 104 flow [2023-10-12 17:13:17,544 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 32 places, 34 transitions, 86 flow [2023-10-12 17:13:17,546 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2023-10-12 17:13:17,556 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 32 places, 34 transitions, 86 flow [2023-10-12 17:13:17,558 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 32 places, 34 transitions, 86 flow [2023-10-12 17:13:17,558 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 32 places, 34 transitions, 86 flow [2023-10-12 17:13:17,565 INFO L124 PetriNetUnfolderBase]: 12/34 cut-off events. [2023-10-12 17:13:17,565 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2023-10-12 17:13:17,565 INFO L83 FinitePrefix]: Finished finitePrefix Result has 47 conditions, 34 events. 12/34 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 53 event pairs, 0 based on Foata normal form. 0/21 useless extension candidates. Maximal degree in co-relation 30. Up to 3 conditions per place. [2023-10-12 17:13:17,566 INFO L119 LiptonReduction]: Number of co-enabled transitions 480 [2023-10-12 17:13:19,154 INFO L134 LiptonReduction]: Checked pairs total: 162 [2023-10-12 17:13:19,155 INFO L136 LiptonReduction]: Total number of compositions: 12 [2023-10-12 17:13:19,168 INFO L305 stractBuchiCegarLoop]: Interprodecural is true [2023-10-12 17:13:19,168 INFO L306 stractBuchiCegarLoop]: Hoare is false [2023-10-12 17:13:19,168 INFO L307 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-10-12 17:13:19,168 INFO L308 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-10-12 17:13:19,168 INFO L309 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-10-12 17:13:19,168 INFO L310 stractBuchiCegarLoop]: Difference is false [2023-10-12 17:13:19,168 INFO L311 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-10-12 17:13:19,168 INFO L315 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-10-12 17:13:19,169 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand currently 0 states, but on-demand construction may add more states [2023-10-12 17:13:19,215 INFO L131 ngComponentsAnalysis]: Automaton has 84 accepting balls. 84 [2023-10-12 17:13:19,216 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-10-12 17:13:19,216 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-10-12 17:13:19,219 INFO L149 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-10-12 17:13:19,219 INFO L150 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2023-10-12 17:13:19,220 INFO L337 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-10-12 17:13:19,220 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand currently 107 states, but on-demand construction may add more states [2023-10-12 17:13:19,227 INFO L131 ngComponentsAnalysis]: Automaton has 84 accepting balls. 84 [2023-10-12 17:13:19,227 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-10-12 17:13:19,227 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-10-12 17:13:19,228 INFO L149 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-10-12 17:13:19,228 INFO L150 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2023-10-12 17:13:19,231 INFO L748 eck$LassoCheckResult]: Stem: 38#[$Ultimate##0]don't care [358] $Ultimate##0-->$Ultimate##0: Formula: (= v_thread1Thread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_thidvar0] 41#[L292, $Ultimate##0]don't care [332] $Ultimate##0-->L47: Formula: (let ((.cse0 (select v_index_of_0_43 4)) (.cse1 (select v_index_of_4_49 4))) (and (not v_break_14_15) (= v_i1_13_16 0) (= .cse0 .cse1) (or (not (= 0 (+ .cse0 1))) (not (= (+ .cse1 1) 0))))) InVars {index_of_4=v_index_of_4_49, index_of_0=v_index_of_0_43} OutVars{index_of_4=v_index_of_4_49, i1_13=v_i1_13_16, break_14=v_break_14_15, index_of_0=v_index_of_0_43} AuxVars[] AssignedVars[i1_13, break_14] 47#[L47, L292]don't care [2023-10-12 17:13:19,231 INFO L750 eck$LassoCheckResult]: Loop: 47#[L47, L292]don't care [336] L47-->L47: Formula: (let ((.cse11 (select v_char_at_5_21 v_i1_13_21)) (.cse12 (select v_char_at_1_21 v_i1_13_21))) (let ((.cse3 (= .cse12 0)) (.cse2 (= .cse12 4)) (.cse6 (= .cse11 0)) (.cse5 (= .cse11 4))) (let ((.cse7 (not .cse5)) (.cse9 (not .cse6)) (.cse8 (not .cse2)) (.cse10 (not .cse3))) (let ((.cse4 (not v_break_14_20)) (.cse0 (and .cse8 .cse10)) (.cse1 (and .cse7 .cse9))) (and (or (and (or .cse0 .cse1 v_break_14_20) v_break_14_19) (and (or .cse2 .cse3) (not v_break_14_19) .cse4 (or .cse5 .cse6))) .cse4 (= v_i1_13_20 (+ v_i1_13_21 1)) (= v_result_12_47 (ite (and .cse7 .cse8 .cse9 .cse10) 0 (ite .cse0 (- 1) (ite .cse1 1 v_result_12_48)))) (<= v_i1_13_21 12)))))) InVars {result_12=v_result_12_48, char_at_5=v_char_at_5_21, i1_13=v_i1_13_21, break_14=v_break_14_20, char_at_1=v_char_at_1_21} OutVars{result_12=v_result_12_47, char_at_5=v_char_at_5_21, i1_13=v_i1_13_20, break_14=v_break_14_19, char_at_1=v_char_at_1_21} AuxVars[] AssignedVars[result_12, i1_13, break_14] 47#[L47, L292]don't care [2023-10-12 17:13:19,234 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:13:19,235 INFO L85 PathProgramCache]: Analyzing trace with hash 12391, now seen corresponding path program 1 times [2023-10-12 17:13:19,240 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:13:19,240 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1219539326] [2023-10-12 17:13:19,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:13:19,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:13:19,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:13:19,290 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:13:19,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:13:19,306 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:13:19,308 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:13:19,308 INFO L85 PathProgramCache]: Analyzing trace with hash 367, now seen corresponding path program 1 times [2023-10-12 17:13:19,308 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:13:19,308 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [866638156] [2023-10-12 17:13:19,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:13:19,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:13:19,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:13:19,325 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:13:19,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:13:19,342 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:13:19,342 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:13:19,343 INFO L85 PathProgramCache]: Analyzing trace with hash 384457, now seen corresponding path program 1 times [2023-10-12 17:13:19,343 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:13:19,343 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1561490475] [2023-10-12 17:13:19,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:13:19,343 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:13:19,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:13:19,356 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:13:19,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:13:19,365 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:13:19,648 INFO L210 LassoAnalysis]: Preferences: [2023-10-12 17:13:19,649 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-10-12 17:13:19,649 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-10-12 17:13:19,649 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-10-12 17:13:19,649 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-10-12 17:13:19,649 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:13:19,649 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-10-12 17:13:19,649 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-10-12 17:13:19,649 INFO L133 ssoRankerPreferences]: Filename of dumped script: poker-hand-subst.wvr.bpl_BEv2_Iteration1_Lasso [2023-10-12 17:13:19,649 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-10-12 17:13:19,650 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-10-12 17:13:19,664 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 17:13:19,670 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 17:13:19,862 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 17:13:19,982 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 16 [2023-10-12 17:13:22,120 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-10-12 17:13:22,123 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-10-12 17:13:22,124 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:13:22,124 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:13:22,126 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 17:13:22,127 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 17:13:22,159 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 17:13:22,166 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:13:22,166 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:13:22,166 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:13:22,166 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:13:22,169 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:13:22,169 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:13:22,176 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:13:22,189 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 17:13:22,189 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:13:22,189 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:13:22,190 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 17:13:22,191 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 17:13:22,196 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 17:13:22,202 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:13:22,203 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:13:22,203 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:13:22,203 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:13:22,215 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:13:22,215 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:13:22,219 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-10-12 17:13:22,263 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2023-10-12 17:13:22,263 INFO L444 ModelExtractionUtils]: 2 out of 7 variables were initially zero. Simplification set additionally 2 variables to zero. [2023-10-12 17:13:22,264 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:13:22,265 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:13:22,445 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 17:13:22,446 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 17:13:22,509 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-10-12 17:13:22,517 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-10-12 17:13:22,518 INFO L513 LassoAnalysis]: Proved termination. [2023-10-12 17:13:22,518 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(i1_13) = -2*i1_13 + 25 Supporting invariants [] [2023-10-12 17:13:22,541 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 17:13:22,544 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-10-12 17:13:22,570 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:13:22,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-10-12 17:13:22,584 INFO L262 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 2 conjunts are in the unsatisfiable core [2023-10-12 17:13:22,585 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-10-12 17:13:22,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-10-12 17:13:22,597 INFO L262 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 4 conjunts are in the unsatisfiable core [2023-10-12 17:13:22,598 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-10-12 17:13:22,598 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 17:13:22,615 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 17:13:22,617 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand currently 107 states, but on-demand construction may add more states Second 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 17:13:22,718 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand currently 107 states, but on-demand construction may add more states. Second 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 295 states and 1460 transitions. Complement of second has 5 states. [2023-10-12 17:13:22,720 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 17:13:22,723 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 17:13:22,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 68 transitions. [2023-10-12 17:13:22,724 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 68 transitions. Stem has 2 letters. Loop has 1 letters. [2023-10-12 17:13:22,725 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:13:22,725 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 68 transitions. Stem has 3 letters. Loop has 1 letters. [2023-10-12 17:13:22,725 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:13:22,725 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 68 transitions. Stem has 2 letters. Loop has 2 letters. [2023-10-12 17:13:22,725 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:13:22,725 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 295 states and 1460 transitions. [2023-10-12 17:13:22,733 INFO L131 ngComponentsAnalysis]: Automaton has 105 accepting balls. 105 [2023-10-12 17:13:22,740 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 295 states to 234 states and 1146 transitions. [2023-10-12 17:13:22,741 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 156 [2023-10-12 17:13:22,742 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 195 [2023-10-12 17:13:22,743 INFO L73 IsDeterministic]: Start isDeterministic. Operand 234 states and 1146 transitions. [2023-10-12 17:13:22,743 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-10-12 17:13:22,743 INFO L219 hiAutomatonCegarLoop]: Abstraction has 234 states and 1146 transitions. [2023-10-12 17:13:22,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 234 states and 1146 transitions. [2023-10-12 17:13:22,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 234 to 159. [2023-10-12 17:13:22,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 159 states, 159 states have (on average 5.415094339622642) internal successors, (861), 158 states have internal predecessors, (861), 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 17:13:22,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 861 transitions. [2023-10-12 17:13:22,771 INFO L241 hiAutomatonCegarLoop]: Abstraction has 159 states and 861 transitions. [2023-10-12 17:13:22,771 INFO L430 stractBuchiCegarLoop]: Abstraction has 159 states and 861 transitions. [2023-10-12 17:13:22,771 INFO L337 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-10-12 17:13:22,771 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 159 states and 861 transitions. [2023-10-12 17:13:22,773 INFO L131 ngComponentsAnalysis]: Automaton has 77 accepting balls. 77 [2023-10-12 17:13:22,773 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-10-12 17:13:22,773 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-10-12 17:13:22,773 INFO L149 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-10-12 17:13:22,773 INFO L150 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2023-10-12 17:13:22,774 INFO L748 eck$LassoCheckResult]: Stem: 718#[$Ultimate##0]don't care [358] $Ultimate##0-->$Ultimate##0: Formula: (= v_thread1Thread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_thidvar0] 720#[L292, $Ultimate##0]don't care [333] $Ultimate##0-->L75: Formula: (and (= (select v_last_index_of_3_43 3) (select v_last_index_of_7_35 3)) (let ((.cse0 (select v_count_occurrences_of_6_57 3))) (or (< 1 .cse0) (and (not (= (+ (select v_index_of_4_95 2) 1) 0)) (= .cse0 1)))) (let ((.cse1 (select v_count_occurrences_of_2_53 3))) (or (< 1 .cse1) (and (= .cse1 1) (not (= (+ (select v_index_of_0_85 2) 1) 0))))) (= v_i2_15_16 0) (= (+ (select v_index_of_0_85 4) 1) 0) (= (+ (select v_index_of_4_95 4) 1) 0) (not v_break_16_21)) InVars {count_occurrences_of_2=v_count_occurrences_of_2_53, last_index_of_7=v_last_index_of_7_35, index_of_4=v_index_of_4_95, last_index_of_3=v_last_index_of_3_43, count_occurrences_of_6=v_count_occurrences_of_6_57, index_of_0=v_index_of_0_85} OutVars{count_occurrences_of_2=v_count_occurrences_of_2_53, last_index_of_7=v_last_index_of_7_35, index_of_4=v_index_of_4_95, last_index_of_3=v_last_index_of_3_43, count_occurrences_of_6=v_count_occurrences_of_6_57, i2_15=v_i2_15_16, index_of_0=v_index_of_0_85, break_16=v_break_16_21} AuxVars[] AssignedVars[i2_15, break_16] 870#[L75, L292]don't care [2023-10-12 17:13:22,774 INFO L750 eck$LassoCheckResult]: Loop: 870#[L75, L292]don't care [338] L75-->L75: Formula: (let ((.cse9 (select v_char_at_1_13 v_i2_15_10)) (.cse10 (select v_char_at_5_13 v_i2_15_10)) (.cse5 (= (select v_last_index_of_3_21 3) v_i2_15_10))) (let ((.cse0 (not .cse5)) (.cse3 (= .cse10 2)) (.cse4 (= .cse10 3)) (.cse1 (= .cse9 2)) (.cse2 (= .cse9 3)) (.cse6 (not v_break_16_14))) (and (or (and (or (and .cse0 (or .cse1 .cse2 .cse3 .cse4)) v_break_16_14) v_break_16_13) (and (not v_break_16_13) (or .cse5 (and (not .cse2) (not .cse3) (not .cse1) (not .cse4))) .cse6)) (= (let ((.cse8 (or .cse1 .cse2)) (.cse7 (or .cse3 .cse4))) (ite (and .cse0 .cse7 .cse8) 0 (ite (and .cse0 .cse8) (- 1) (ite (and .cse0 .cse7) 1 v_result_12_30)))) v_result_12_29) (<= v_i2_15_10 12) .cse6))) InVars {result_12=v_result_12_30, char_at_1=v_char_at_1_13, char_at_5=v_char_at_5_13, last_index_of_3=v_last_index_of_3_21, i2_15=v_i2_15_10, break_16=v_break_16_14} OutVars{result_12=v_result_12_29, char_at_1=v_char_at_1_13, char_at_5=v_char_at_5_13, last_index_of_3=v_last_index_of_3_21, i2_15=v_i2_15_10, break_16=v_break_16_13} AuxVars[] AssignedVars[result_12, break_16] 870#[L75, L292]don't care [2023-10-12 17:13:22,774 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:13:22,774 INFO L85 PathProgramCache]: Analyzing trace with hash 12392, now seen corresponding path program 1 times [2023-10-12 17:13:22,774 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:13:22,774 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [142285218] [2023-10-12 17:13:22,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:13:22,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:13:22,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:13:22,779 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:13:22,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:13:22,784 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:13:22,785 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:13:22,785 INFO L85 PathProgramCache]: Analyzing trace with hash 369, now seen corresponding path program 1 times [2023-10-12 17:13:22,785 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:13:22,785 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [516278609] [2023-10-12 17:13:22,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:13:22,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:13:22,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:13:22,790 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:13:22,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:13:22,794 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:13:22,794 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:13:22,795 INFO L85 PathProgramCache]: Analyzing trace with hash 384490, now seen corresponding path program 1 times [2023-10-12 17:13:22,795 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:13:22,795 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1024145266] [2023-10-12 17:13:22,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:13:22,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:13:22,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:13:22,801 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:13:22,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:13:22,809 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:13:23,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:13:23,137 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:13:23,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:13:23,158 INFO L201 PluginConnector]: Adding new model poker-hand-subst.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 12.10 05:13:23 BoogieIcfgContainer [2023-10-12 17:13:23,158 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-10-12 17:13:23,159 INFO L158 Benchmark]: Toolchain (without parser) took 6402.51ms. Allocated memory was 215.0MB in the beginning and 404.8MB in the end (delta: 189.8MB). Free memory was 165.6MB in the beginning and 175.4MB in the end (delta: -9.8MB). Peak memory consumption was 181.5MB. Max. memory is 8.0GB. [2023-10-12 17:13:23,159 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.43ms. Allocated memory is still 215.0MB. Free memory is still 168.0MB. There was no memory consumed. Max. memory is 8.0GB. [2023-10-12 17:13:23,159 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.66ms. Allocated memory is still 215.0MB. Free memory was 165.4MB in the beginning and 163.7MB in the end (delta: 1.8MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2023-10-12 17:13:23,160 INFO L158 Benchmark]: Boogie Preprocessor took 45.92ms. Allocated memory is still 215.0MB. Free memory was 163.7MB in the beginning and 161.7MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-10-12 17:13:23,160 INFO L158 Benchmark]: RCFGBuilder took 613.55ms. Allocated memory was 215.0MB in the beginning and 404.8MB in the end (delta: 189.8MB). Free memory was 161.7MB in the beginning and 336.4MB in the end (delta: -174.7MB). Peak memory consumption was 15.3MB. Max. memory is 8.0GB. [2023-10-12 17:13:23,160 INFO L158 Benchmark]: BuchiAutomizer took 5704.12ms. Allocated memory is still 404.8MB. Free memory was 335.9MB in the beginning and 175.4MB in the end (delta: 160.4MB). Peak memory consumption was 162.0MB. Max. memory is 8.0GB. [2023-10-12 17:13:23,162 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.43ms. Allocated memory is still 215.0MB. Free memory is still 168.0MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 35.66ms. Allocated memory is still 215.0MB. Free memory was 165.4MB in the beginning and 163.7MB in the end (delta: 1.8MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 45.92ms. Allocated memory is still 215.0MB. Free memory was 163.7MB in the beginning and 161.7MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 613.55ms. Allocated memory was 215.0MB in the beginning and 404.8MB in the end (delta: 189.8MB). Free memory was 161.7MB in the beginning and 336.4MB in the end (delta: -174.7MB). Peak memory consumption was 15.3MB. Max. memory is 8.0GB. * BuchiAutomizer took 5704.12ms. Allocated memory is still 404.8MB. Free memory was 335.9MB in the beginning and 175.4MB in the end (delta: 160.4MB). Peak memory consumption was 162.0MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic) and one nonterminating remainder module.One deterministic module has affine ranking function -2 * i1_13 + 25 and consists of 4 locations. The remainder module has 159 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 5.6s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 3.6s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 3. Minimization of det autom 0. Minimization of nondet autom 1. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 75 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 47 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 46 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 69 IncrementalHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 0 mSDtfsCounter, 69 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital182 mio100 ax100 hnf100 lsp280 ukn41 mio100 lsp94 div100 bol104 ite100 ukn100 eq194 hnf100 smp100 dnf1602 smp8 tf100 neg100 sie123 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 52ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 1.6s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - LassoShapedNonTerminationArgument [Line: 74]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L292] FORK 0 fork 1 thread1(); [L67] 1 assume !(index_of_0[4] != 0 - 1 || index_of_4[4] != 0 - 1); [L68] 1 assume count_occurrences_of_2[3] > 1 || (count_occurrences_of_2[3] == 1 && index_of_0[2] != 0 - 1); [L69] 1 assume count_occurrences_of_6[3] > 1 || (count_occurrences_of_6[3] == 1 && index_of_4[2] != 0 - 1); [L70] 1 assume last_index_of_3[3] == last_index_of_7[3]; [L71] 1 i2_15 := 0; [L72] 1 break_16 := false; VAL [break_16=false, i2_15=0] Loop: [L76] assume !break_16 && i2_15 <= 12; [L77] result_12 := (if i2_15 != last_index_of_3[3] && (char_at_1[i2_15] == 2 || char_at_1[i2_15] == 3) && (char_at_5[i2_15] == 2 || char_at_5[i2_15] == 3) then 0 else (if i2_15 != last_index_of_3[3] && (char_at_1[i2_15] == 2 || char_at_1[i2_15] == 3) then 0 - 1 else (if i2_15 != last_index_of_3[3] && (char_at_5[i2_15] == 2 || char_at_5[i2_15] == 3) then 1 else result_12))); [L78] break_16 := (if i2_15 != last_index_of_3[3] && (char_at_1[i2_15] == 2 || char_at_1[i2_15] == 3 || char_at_5[i2_15] == 2 || char_at_5[i2_15] == 3) then true else break_16); End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 74]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L292] FORK 0 fork 1 thread1(); [L67] 1 assume !(index_of_0[4] != 0 - 1 || index_of_4[4] != 0 - 1); [L68] 1 assume count_occurrences_of_2[3] > 1 || (count_occurrences_of_2[3] == 1 && index_of_0[2] != 0 - 1); [L69] 1 assume count_occurrences_of_6[3] > 1 || (count_occurrences_of_6[3] == 1 && index_of_4[2] != 0 - 1); [L70] 1 assume last_index_of_3[3] == last_index_of_7[3]; [L71] 1 i2_15 := 0; [L72] 1 break_16 := false; VAL [break_16=false, i2_15=0] Loop: [L76] assume !break_16 && i2_15 <= 12; [L77] result_12 := (if i2_15 != last_index_of_3[3] && (char_at_1[i2_15] == 2 || char_at_1[i2_15] == 3) && (char_at_5[i2_15] == 2 || char_at_5[i2_15] == 3) then 0 else (if i2_15 != last_index_of_3[3] && (char_at_1[i2_15] == 2 || char_at_1[i2_15] == 3) then 0 - 1 else (if i2_15 != last_index_of_3[3] && (char_at_5[i2_15] == 2 || char_at_5[i2_15] == 3) then 1 else result_12))); [L78] break_16 := (if i2_15 != last_index_of_3[3] && (char_at_1[i2_15] == 2 || char_at_1[i2_15] == 3 || char_at_5[i2_15] == 2 || char_at_5[i2_15] == 3) then true else break_16); End of lasso representation. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1.6s, 32 PlacesBefore, 27 PlacesAfterwards, 34 TransitionsBefore, 29 TransitionsAfterwards, 480 CoEnabledTransitionPairs, 2 FixpointIterations, 3 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 9 ConcurrentYvCompositions, 0 ChoiceCompositions, 12 TotalNumberOfCompositions, 162 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 162, independent: 162, independent conditional: 0, independent unconditional: 162, 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: 162, independent: 162, independent conditional: 0, independent unconditional: 162, 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: 162, independent: 162, independent conditional: 0, independent unconditional: 162, 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: 162, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 162, unknown conditional: 0, unknown unconditional: 162] , 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 incorrect! [2023-10-12 17:13:23,176 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2023-10-12 17:13:23,379 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request...