/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/chromosome-trans.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.3-wip.fs.rabin-petrinet-4c29625-m [2023-10-12 17:13:05,833 INFO L172 SettingsManager]: Resetting all preferences to default values... [2023-10-12 17:13:05,911 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 17:13:05,939 INFO L114 SettingsManager]: Preferences different from defaults after loading the file: [2023-10-12 17:13:05,939 INFO L135 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-10-12 17:13:05,940 INFO L137 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-10-12 17:13:05,941 INFO L135 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-10-12 17:13:05,942 INFO L137 SettingsManager]: * Create parallel compositions if possible=false [2023-10-12 17:13:05,942 INFO L137 SettingsManager]: * Use SBE=true [2023-10-12 17:13:05,945 INFO L135 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-10-12 17:13:05,946 INFO L137 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-10-12 17:13:05,946 INFO L137 SettingsManager]: * Use old map elimination=false [2023-10-12 17:13:05,946 INFO L137 SettingsManager]: * Use external solver (rank synthesis)=false [2023-10-12 17:13:05,947 INFO L137 SettingsManager]: * Use only trivial implications for array writes=true [2023-10-12 17:13:05,948 INFO L137 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-10-12 17:13:05,948 INFO L135 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-10-12 17:13:05,949 INFO L137 SettingsManager]: * sizeof long=4 [2023-10-12 17:13:05,949 INFO L137 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-10-12 17:13:05,949 INFO L137 SettingsManager]: * Overapproximate operations on floating types=true [2023-10-12 17:13:05,949 INFO L137 SettingsManager]: * sizeof POINTER=4 [2023-10-12 17:13:05,949 INFO L137 SettingsManager]: * Check division by zero=IGNORE [2023-10-12 17:13:05,951 INFO L137 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-10-12 17:13:05,951 INFO L137 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-10-12 17:13:05,951 INFO L137 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-10-12 17:13:05,952 INFO L137 SettingsManager]: * sizeof long double=12 [2023-10-12 17:13:05,952 INFO L137 SettingsManager]: * Check if freed pointer was valid=false [2023-10-12 17:13:05,952 INFO L137 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-10-12 17:13:05,952 INFO L137 SettingsManager]: * Use constant arrays=true [2023-10-12 17:13:05,952 INFO L137 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-10-12 17:13:05,953 INFO L135 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-10-12 17:13:05,954 INFO L137 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-10-12 17:13:05,954 INFO L135 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-10-12 17:13:05,954 INFO L137 SettingsManager]: * Trace refinement strategy=CAMEL [2023-10-12 17:13:05,956 INFO L135 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-10-12 17:13:05,956 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: Automaton type for concurrent programs -> BUCHI_AUTOMATON [2023-10-12 17:13:06,179 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-10-12 17:13:06,197 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-10-12 17:13:06,199 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-10-12 17:13:06,200 INFO L270 PluginConnector]: Initializing Boogie PL CUP Parser... [2023-10-12 17:13:06,205 INFO L274 PluginConnector]: Boogie PL CUP Parser initialized [2023-10-12 17:13:06,206 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/chl/chromosome-trans.wvr.bpl [2023-10-12 17:13:06,206 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/chl/chromosome-trans.wvr.bpl' [2023-10-12 17:13:06,247 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-10-12 17:13:06,249 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2023-10-12 17:13:06,250 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-10-12 17:13:06,250 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-10-12 17:13:06,251 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-10-12 17:13:06,260 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "chromosome-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:13:06" (1/1) ... [2023-10-12 17:13:06,269 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "chromosome-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:13:06" (1/1) ... [2023-10-12 17:13:06,273 INFO L138 Inliner]: procedures = 4, calls = 3, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2023-10-12 17:13:06,274 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-10-12 17:13:06,276 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-10-12 17:13:06,277 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-10-12 17:13:06,277 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-10-12 17:13:06,284 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "chromosome-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:13:06" (1/1) ... [2023-10-12 17:13:06,284 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "chromosome-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:13:06" (1/1) ... [2023-10-12 17:13:06,286 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "chromosome-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:13:06" (1/1) ... [2023-10-12 17:13:06,286 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "chromosome-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:13:06" (1/1) ... [2023-10-12 17:13:06,292 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "chromosome-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:13:06" (1/1) ... [2023-10-12 17:13:06,295 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "chromosome-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:13:06" (1/1) ... [2023-10-12 17:13:06,295 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "chromosome-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:13:06" (1/1) ... [2023-10-12 17:13:06,296 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "chromosome-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:13:06" (1/1) ... [2023-10-12 17:13:06,300 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-10-12 17:13:06,300 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-10-12 17:13:06,300 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-10-12 17:13:06,301 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-10-12 17:13:06,301 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "chromosome-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:13:06" (1/1) ... [2023-10-12 17:13:06,307 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:13:06,314 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:13:06,334 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 17:13:06,342 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 17:13:06,372 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2023-10-12 17:13:06,372 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-10-12 17:13:06,372 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-10-12 17:13:06,372 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2023-10-12 17:13:06,372 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-10-12 17:13:06,372 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-10-12 17:13:06,373 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2023-10-12 17:13:06,373 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-10-12 17:13:06,373 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-10-12 17:13:06,373 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2023-10-12 17:13:06,374 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-10-12 17:13:06,374 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-10-12 17:13:06,374 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 17:13:06,427 INFO L236 CfgBuilder]: Building ICFG [2023-10-12 17:13:06,429 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-10-12 17:13:06,545 INFO L277 CfgBuilder]: Performing block encoding [2023-10-12 17:13:06,601 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-10-12 17:13:06,601 INFO L302 CfgBuilder]: Removed 3 assume(true) statements. [2023-10-12 17:13:06,603 INFO L201 PluginConnector]: Adding new model chromosome-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 05:13:06 BoogieIcfgContainer [2023-10-12 17:13:06,603 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-10-12 17:13:06,604 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-10-12 17:13:06,604 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-10-12 17:13:06,612 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-10-12 17:13:06,612 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-10-12 17:13:06,612 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "chromosome-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:13:06" (1/2) ... [2023-10-12 17:13:06,615 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@510b8d92 and model type chromosome-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 12.10 05:13:06, skipping insertion in model container [2023-10-12 17:13:06,615 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-10-12 17:13:06,615 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "chromosome-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 05:13:06" (2/2) ... [2023-10-12 17:13:06,616 INFO L332 chiAutomizerObserver]: Analyzing ICFG chromosome-trans.wvr.bpl [2023-10-12 17:13:06,692 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-10-12 17:13:06,731 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 32 places, 28 transitions, 80 flow [2023-10-12 17:13:06,761 INFO L124 PetriNetUnfolderBase]: 3/22 cut-off events. [2023-10-12 17:13:06,761 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2023-10-12 17:13:06,767 INFO L83 FinitePrefix]: Finished finitePrefix Result has 35 conditions, 22 events. 3/22 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 23 event pairs, 0 based on Foata normal form. 0/18 useless extension candidates. Maximal degree in co-relation 18. Up to 2 conditions per place. [2023-10-12 17:13:06,767 INFO L82 GeneralOperation]: Start removeDead. Operand has 32 places, 28 transitions, 80 flow [2023-10-12 17:13:06,773 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 29 places, 22 transitions, 62 flow [2023-10-12 17:13:06,779 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2023-10-12 17:13:06,791 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 29 places, 22 transitions, 62 flow [2023-10-12 17:13:06,794 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 29 places, 22 transitions, 62 flow [2023-10-12 17:13:06,794 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 29 places, 22 transitions, 62 flow [2023-10-12 17:13:06,800 INFO L124 PetriNetUnfolderBase]: 3/22 cut-off events. [2023-10-12 17:13:06,800 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2023-10-12 17:13:06,801 INFO L83 FinitePrefix]: Finished finitePrefix Result has 35 conditions, 22 events. 3/22 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 23 event pairs, 0 based on Foata normal form. 0/18 useless extension candidates. Maximal degree in co-relation 18. Up to 2 conditions per place. [2023-10-12 17:13:06,801 INFO L119 LiptonReduction]: Number of co-enabled transitions 144 [2023-10-12 17:13:06,972 INFO L134 LiptonReduction]: Checked pairs total: 88 [2023-10-12 17:13:06,973 INFO L136 LiptonReduction]: Total number of compositions: 6 [2023-10-12 17:13:06,992 INFO L305 stractBuchiCegarLoop]: Interprodecural is true [2023-10-12 17:13:06,993 INFO L306 stractBuchiCegarLoop]: Hoare is false [2023-10-12 17:13:06,993 INFO L307 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-10-12 17:13:06,993 INFO L308 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-10-12 17:13:06,993 INFO L309 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-10-12 17:13:06,994 INFO L310 stractBuchiCegarLoop]: Difference is false [2023-10-12 17:13:06,994 INFO L311 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-10-12 17:13:06,994 INFO L315 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-10-12 17:13:06,996 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand currently 0 states, but on-demand construction may add more states [2023-10-12 17:13:07,035 INFO L131 ngComponentsAnalysis]: Automaton has 31 accepting balls. 31 [2023-10-12 17:13:07,035 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-10-12 17:13:07,036 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-10-12 17:13:07,040 INFO L149 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-10-12 17:13:07,041 INFO L150 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2023-10-12 17:13:07,041 INFO L337 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-10-12 17:13:07,041 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand currently 54 states, but on-demand construction may add more states [2023-10-12 17:13:07,046 INFO L131 ngComponentsAnalysis]: Automaton has 31 accepting balls. 31 [2023-10-12 17:13:07,047 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-10-12 17:13:07,047 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-10-12 17:13:07,047 INFO L149 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-10-12 17:13:07,047 INFO L150 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2023-10-12 17:13:07,052 INFO L748 eck$LassoCheckResult]: Stem: 35#[$Ultimate##0]don't care [118] $Ultimate##0-->$Ultimate##0: Formula: (= v_thread1Thread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_thidvar0] 38#[L100, $Ultimate##0]don't care [104] $Ultimate##0-->L35: Formula: (and (= v_result_7_13 1) (= v_i_8_13 0) (not v_isNull_1_5) (or (and (not v_break_6_10) (not v_isNull_3_5)) (and v_break_6_10 v_isNull_3_5))) InVars {isNull_1=v_isNull_1_5, isNull_3=v_isNull_3_5} OutVars{isNull_1=v_isNull_1_5, isNull_3=v_isNull_3_5, i_8=v_i_8_13, result_7=v_result_7_13, break_6=v_break_6_10} AuxVars[] AssignedVars[result_7, break_6, i_8] 40#[L35, L100]don't care [2023-10-12 17:13:07,053 INFO L750 eck$LassoCheckResult]: Loop: 40#[L35, L100]don't care [105] L35-->L35: Formula: (and (< v_i_8_20 5) (not v_break_6_15) (let ((.cse0 (= v_result_7_17 0))) (or (and (not .cse0) v_break_6_14) (and .cse0 (not v_break_6_14)))) (= (+ v_result_7_17 (select v_o_2_13 v_i_8_20)) (select v_o_0_13 v_i_8_20)) (= (+ v_i_8_20 1) v_i_8_19)) InVars {o_0=v_o_0_13, o_2=v_o_2_13, i_8=v_i_8_20, break_6=v_break_6_15} OutVars{o_0=v_o_0_13, o_2=v_o_2_13, i_8=v_i_8_19, break_6=v_break_6_14, result_7=v_result_7_17} AuxVars[] AssignedVars[break_6, result_7, i_8] 40#[L35, L100]don't care [2023-10-12 17:13:07,057 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:13:07,058 INFO L85 PathProgramCache]: Analyzing trace with hash 4723, now seen corresponding path program 1 times [2023-10-12 17:13:07,064 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:13:07,064 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1933089048] [2023-10-12 17:13:07,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:13:07,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:13:07,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:13:07,154 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:13:07,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:13:07,169 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:13:07,171 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:13:07,172 INFO L85 PathProgramCache]: Analyzing trace with hash 136, now seen corresponding path program 1 times [2023-10-12 17:13:07,172 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:13:07,172 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1756196608] [2023-10-12 17:13:07,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:13:07,172 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:13:07,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:13:07,182 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:13:07,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:13:07,197 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:13:07,199 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:13:07,199 INFO L85 PathProgramCache]: Analyzing trace with hash 146518, now seen corresponding path program 1 times [2023-10-12 17:13:07,199 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:13:07,200 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [294953576] [2023-10-12 17:13:07,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:13:07,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:13:07,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:13:07,217 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:13:07,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:13:07,229 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:13:07,391 INFO L210 LassoAnalysis]: Preferences: [2023-10-12 17:13:07,391 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-10-12 17:13:07,391 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-10-12 17:13:07,391 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-10-12 17:13:07,392 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-10-12 17:13:07,392 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:13:07,392 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-10-12 17:13:07,392 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-10-12 17:13:07,392 INFO L133 ssoRankerPreferences]: Filename of dumped script: chromosome-trans.wvr.bpl_BEv2_Iteration1_Lasso [2023-10-12 17:13:07,392 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-10-12 17:13:07,392 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-10-12 17:13:07,411 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 17:13:07,468 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 17:13:07,474 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 17:13:07,658 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-10-12 17:13:07,661 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-10-12 17:13:07,663 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:13:07,663 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:13:07,669 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 17:13:07,675 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 17:13:07,676 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 17:13:07,684 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:13:07,684 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:13:07,684 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:13:07,684 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:13:07,689 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:13:07,689 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:13:07,706 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-10-12 17:13:07,742 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2023-10-12 17:13:07,742 INFO L444 ModelExtractionUtils]: 1 out of 7 variables were initially zero. Simplification set additionally 3 variables to zero. [2023-10-12 17:13:07,744 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:13:07,744 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:13:07,746 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 17:13:07,748 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 17:13:07,750 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-10-12 17:13:07,781 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-10-12 17:13:07,782 INFO L513 LassoAnalysis]: Proved termination. [2023-10-12 17:13:07,782 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(i_8) = -2*i_8 + 9 Supporting invariants [] [2023-10-12 17:13:07,791 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2023-10-12 17:13:07,794 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-10-12 17:13:07,827 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:13:07,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-10-12 17:13:07,842 INFO L262 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 2 conjunts are in the unsatisfiable core [2023-10-12 17:13:07,843 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-10-12 17:13:07,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-10-12 17:13:07,859 INFO L262 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 4 conjunts are in the unsatisfiable core [2023-10-12 17:13:07,859 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-10-12 17:13:07,860 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 17:13:07,891 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 17:13:07,893 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand currently 54 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 17:13:07,993 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand currently 54 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 142 states and 488 transitions. Complement of second has 5 states. [2023-10-12 17:13:07,995 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 17:13:08,000 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 17:13:08,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 35 transitions. [2023-10-12 17:13:08,006 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 35 transitions. Stem has 2 letters. Loop has 1 letters. [2023-10-12 17:13:08,007 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:13:08,007 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 35 transitions. Stem has 3 letters. Loop has 1 letters. [2023-10-12 17:13:08,007 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:13:08,007 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 35 transitions. Stem has 2 letters. Loop has 2 letters. [2023-10-12 17:13:08,008 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:13:08,008 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 142 states and 488 transitions. [2023-10-12 17:13:08,024 INFO L131 ngComponentsAnalysis]: Automaton has 24 accepting balls. 24 [2023-10-12 17:13:08,031 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 142 states to 102 states and 353 transitions. [2023-10-12 17:13:08,032 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 56 [2023-10-12 17:13:08,035 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 79 [2023-10-12 17:13:08,036 INFO L73 IsDeterministic]: Start isDeterministic. Operand 102 states and 353 transitions. [2023-10-12 17:13:08,036 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-10-12 17:13:08,036 INFO L219 hiAutomatonCegarLoop]: Abstraction has 102 states and 353 transitions. [2023-10-12 17:13:08,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states and 353 transitions. [2023-10-12 17:13:08,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 81. [2023-10-12 17:13:08,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81 states, 81 states have (on average 3.617283950617284) internal successors, (293), 80 states have internal predecessors, (293), 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 17:13:08,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 293 transitions. [2023-10-12 17:13:08,072 INFO L241 hiAutomatonCegarLoop]: Abstraction has 81 states and 293 transitions. [2023-10-12 17:13:08,073 INFO L430 stractBuchiCegarLoop]: Abstraction has 81 states and 293 transitions. [2023-10-12 17:13:08,073 INFO L337 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-10-12 17:13:08,073 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 81 states and 293 transitions. [2023-10-12 17:13:08,078 INFO L131 ngComponentsAnalysis]: Automaton has 24 accepting balls. 24 [2023-10-12 17:13:08,078 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-10-12 17:13:08,078 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-10-12 17:13:08,078 INFO L149 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2023-10-12 17:13:08,078 INFO L150 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2023-10-12 17:13:08,079 INFO L748 eck$LassoCheckResult]: Stem: 464#[$Ultimate##0]don't care [118] $Ultimate##0-->$Ultimate##0: Formula: (= v_thread1Thread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_thidvar0] 466#[L100, $Ultimate##0]don't care [121] L100-->$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] 398#[L101, $Ultimate##0, $Ultimate##0]don't care [108] $Ultimate##0-->L59: Formula: (and (not v_isNull_3_9) (or (and (not v_break_9_20) (not v_isNull_5_13)) (and v_break_9_20 v_isNull_5_13)) (= v_result_10_19 1) (= v_i_11_15 0)) InVars {isNull_5=v_isNull_5_13, isNull_3=v_isNull_3_9} OutVars{isNull_5=v_isNull_5_13, i_11=v_i_11_15, break_9=v_break_9_20, isNull_3=v_isNull_3_9, result_10=v_result_10_19} AuxVars[] AssignedVars[break_9, i_11, result_10] 344#[$Ultimate##0, L101, L59]don't care [2023-10-12 17:13:08,079 INFO L750 eck$LassoCheckResult]: Loop: 344#[$Ultimate##0, L101, L59]don't care [110] L59-->L59: Formula: (and (let ((.cse0 (= v_result_10_21 0))) (or (and v_break_9_22 (not .cse0)) (and .cse0 (not v_break_9_22)))) (not v_break_9_23) (= (+ v_i_11_18 1) v_i_11_17) (< v_i_11_18 5) (= (select v_o_2_15 v_i_11_18) (+ v_result_10_21 (select v_o_4_11 v_i_11_18)))) InVars {i_11=v_i_11_18, break_9=v_break_9_23, o_2=v_o_2_15, o_4=v_o_4_11} OutVars{i_11=v_i_11_17, break_9=v_break_9_22, o_2=v_o_2_15, result_10=v_result_10_21, o_4=v_o_4_11} AuxVars[] AssignedVars[break_9, i_11, result_10] 344#[$Ultimate##0, L101, L59]don't care [2023-10-12 17:13:08,081 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:13:08,082 INFO L85 PathProgramCache]: Analyzing trace with hash 147048, now seen corresponding path program 1 times [2023-10-12 17:13:08,084 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:13:08,085 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [313960717] [2023-10-12 17:13:08,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:13:08,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:13:08,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:13:08,101 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:13:08,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:13:08,105 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:13:08,105 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:13:08,105 INFO L85 PathProgramCache]: Analyzing trace with hash 141, now seen corresponding path program 1 times [2023-10-12 17:13:08,106 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:13:08,106 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1170498148] [2023-10-12 17:13:08,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:13:08,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:13:08,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:13:08,114 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:13:08,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:13:08,136 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:13:08,137 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:13:08,137 INFO L85 PathProgramCache]: Analyzing trace with hash 4558598, now seen corresponding path program 1 times [2023-10-12 17:13:08,137 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:13:08,137 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2106216569] [2023-10-12 17:13:08,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:13:08,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:13:08,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:13:08,149 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:13:08,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:13:08,158 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:13:08,310 INFO L210 LassoAnalysis]: Preferences: [2023-10-12 17:13:08,311 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-10-12 17:13:08,311 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-10-12 17:13:08,311 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-10-12 17:13:08,311 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-10-12 17:13:08,311 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:13:08,311 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-10-12 17:13:08,311 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-10-12 17:13:08,311 INFO L133 ssoRankerPreferences]: Filename of dumped script: chromosome-trans.wvr.bpl_BEv2_Iteration2_Lasso [2023-10-12 17:13:08,311 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-10-12 17:13:08,311 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-10-12 17:13:08,313 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 17:13:08,316 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 17:13:08,348 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 17:13:08,350 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 17:13:08,353 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 17:13:08,508 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-10-12 17:13:08,508 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-10-12 17:13:08,509 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:13:08,509 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:13:08,578 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 17:13:08,579 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 17:13:08,601 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 17:13:08,610 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:13:08,611 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:13:08,611 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:13:08,611 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:13:08,613 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:13:08,613 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:13:08,629 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:13:08,632 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 17:13:08,633 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:13:08,633 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:13:08,634 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 17:13:08,635 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 17:13:08,637 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 17:13:08,644 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:13:08,644 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2023-10-12 17:13:08,644 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2023-10-12 17:13:08,644 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:13:08,690 INFO L401 nArgumentSynthesizer]: We have 36 Motzkin's Theorem applications. [2023-10-12 17:13:08,690 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2023-10-12 17:13:08,733 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:13:08,740 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 17:13:08,740 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:13:08,740 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:13:08,741 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 17:13:08,749 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 17:13:08,785 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 17:13:08,793 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:13:08,794 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:13:08,794 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:13:08,794 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:13:08,796 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:13:08,796 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:13:08,809 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-10-12 17:13:08,815 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2023-10-12 17:13:08,816 INFO L444 ModelExtractionUtils]: 1 out of 7 variables were initially zero. Simplification set additionally 3 variables to zero. [2023-10-12 17:13:08,816 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:13:08,816 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:13:08,819 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 17:13:08,820 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 17:13:08,821 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-10-12 17:13:08,838 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-10-12 17:13:08,838 INFO L513 LassoAnalysis]: Proved termination. [2023-10-12 17:13:08,839 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(i_11) = -2*i_11 + 9 Supporting invariants [] [2023-10-12 17:13:08,852 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 17:13:08,854 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-10-12 17:13:08,878 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2023-10-12 17:13:08,885 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2023-10-12 17:13:08,886 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:13:08,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-10-12 17:13:08,893 INFO L262 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 2 conjunts are in the unsatisfiable core [2023-10-12 17:13:08,893 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-10-12 17:13:08,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-10-12 17:13:08,903 INFO L262 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 4 conjunts are in the unsatisfiable core [2023-10-12 17:13:08,904 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-10-12 17:13:08,904 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 17:13:08,904 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 17:13:08,905 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 81 states and 293 transitions. cyclomatic complexity: 248 Second operand has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 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 17:13:08,953 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 81 states and 293 transitions. cyclomatic complexity: 248. Second operand has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 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 223 states and 841 transitions. Complement of second has 4 states. [2023-10-12 17:13:08,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2023-10-12 17:13:08,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 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 17:13:08,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 32 transitions. [2023-10-12 17:13:08,954 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 32 transitions. Stem has 3 letters. Loop has 1 letters. [2023-10-12 17:13:08,955 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:13:08,955 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 32 transitions. Stem has 4 letters. Loop has 1 letters. [2023-10-12 17:13:08,955 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:13:08,955 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 32 transitions. Stem has 3 letters. Loop has 2 letters. [2023-10-12 17:13:08,955 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:13:08,955 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 223 states and 841 transitions. [2023-10-12 17:13:08,962 INFO L131 ngComponentsAnalysis]: Automaton has 13 accepting balls. 13 [2023-10-12 17:13:08,966 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 223 states to 147 states and 548 transitions. [2023-10-12 17:13:08,967 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 59 [2023-10-12 17:13:08,967 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 79 [2023-10-12 17:13:08,967 INFO L73 IsDeterministic]: Start isDeterministic. Operand 147 states and 548 transitions. [2023-10-12 17:13:08,967 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-10-12 17:13:08,967 INFO L219 hiAutomatonCegarLoop]: Abstraction has 147 states and 548 transitions. [2023-10-12 17:13:08,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states and 548 transitions. [2023-10-12 17:13:08,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 115. [2023-10-12 17:13:08,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115 states, 115 states have (on average 3.8434782608695652) internal successors, (442), 114 states have internal predecessors, (442), 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 17:13:08,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 442 transitions. [2023-10-12 17:13:08,991 INFO L241 hiAutomatonCegarLoop]: Abstraction has 115 states and 442 transitions. [2023-10-12 17:13:08,992 INFO L430 stractBuchiCegarLoop]: Abstraction has 115 states and 442 transitions. [2023-10-12 17:13:08,992 INFO L337 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2023-10-12 17:13:08,992 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 115 states and 442 transitions. [2023-10-12 17:13:08,993 INFO L131 ngComponentsAnalysis]: Automaton has 13 accepting balls. 13 [2023-10-12 17:13:08,993 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-10-12 17:13:08,993 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-10-12 17:13:08,993 INFO L149 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2023-10-12 17:13:08,993 INFO L150 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2023-10-12 17:13:08,994 INFO L748 eck$LassoCheckResult]: Stem: 909#[$Ultimate##0]don't care [118] $Ultimate##0-->$Ultimate##0: Formula: (= v_thread1Thread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_thidvar0] 911#[L100, $Ultimate##0]don't care [121] L100-->$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] 801#[L101, $Ultimate##0, $Ultimate##0]don't care [124] L101-->$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] 805#[$Ultimate##0, L102, $Ultimate##0, $Ultimate##0]don't care [112] $Ultimate##0-->L83: Formula: (and (or (and (not v_break_12_16) (not v_isNull_5_11)) (and v_break_12_16 v_isNull_5_11)) (= v_result_13_19 1) (not v_isNull_1_7) (= v_i_14_17 0)) InVars {isNull_5=v_isNull_5_11, isNull_1=v_isNull_1_7} OutVars{isNull_5=v_isNull_5_11, result_13=v_result_13_19, break_12=v_break_12_16, i_14=v_i_14_17, isNull_1=v_isNull_1_7} AuxVars[] AssignedVars[result_13, break_12, i_14] 795#[$Ultimate##0, L83, L102, $Ultimate##0]don't care [2023-10-12 17:13:08,994 INFO L750 eck$LassoCheckResult]: Loop: 795#[$Ultimate##0, L83, L102, $Ultimate##0]don't care [114] L83-->L83: Formula: (and (< v_i_14_24 5) (= (+ v_i_14_24 1) v_i_14_23) (let ((.cse0 (= v_result_13_23 0))) (or (and .cse0 (not v_break_12_20)) (and (not .cse0) v_break_12_20))) (= (select v_o_0_17 v_i_14_24) (+ v_result_13_23 (select v_o_4_15 v_i_14_24))) (not v_break_12_21)) InVars {o_0=v_o_0_17, break_12=v_break_12_21, i_14=v_i_14_24, o_4=v_o_4_15} OutVars{o_0=v_o_0_17, break_12=v_break_12_20, result_13=v_result_13_23, i_14=v_i_14_23, o_4=v_o_4_15} AuxVars[] AssignedVars[break_12, result_13, i_14] 795#[$Ultimate##0, L83, L102, $Ultimate##0]don't care [2023-10-12 17:13:08,994 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:13:08,994 INFO L85 PathProgramCache]: Analyzing trace with hash 4559096, now seen corresponding path program 1 times [2023-10-12 17:13:08,994 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:13:08,995 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [538354068] [2023-10-12 17:13:08,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:13:08,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:13:09,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:13:09,002 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:13:09,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:13:09,019 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:13:09,020 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:13:09,020 INFO L85 PathProgramCache]: Analyzing trace with hash 145, now seen corresponding path program 1 times [2023-10-12 17:13:09,020 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:13:09,020 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1059479468] [2023-10-12 17:13:09,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:13:09,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:13:09,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:13:09,024 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:13:09,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:13:09,028 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:13:09,028 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:13:09,028 INFO L85 PathProgramCache]: Analyzing trace with hash 141332090, now seen corresponding path program 1 times [2023-10-12 17:13:09,028 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:13:09,032 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1121477993] [2023-10-12 17:13:09,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:13:09,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:13:09,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:13:09,049 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:13:09,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:13:09,054 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:13:09,184 INFO L210 LassoAnalysis]: Preferences: [2023-10-12 17:13:09,184 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-10-12 17:13:09,184 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-10-12 17:13:09,184 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-10-12 17:13:09,184 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-10-12 17:13:09,184 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:13:09,184 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-10-12 17:13:09,184 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-10-12 17:13:09,185 INFO L133 ssoRankerPreferences]: Filename of dumped script: chromosome-trans.wvr.bpl_BEv2_Iteration3_Lasso [2023-10-12 17:13:09,185 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-10-12 17:13:09,185 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-10-12 17:13:09,186 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 17:13:09,212 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 17:13:09,214 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 17:13:09,217 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 17:13:09,219 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 17:13:09,221 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 17:13:09,224 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 17:13:09,226 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 17:13:09,397 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-10-12 17:13:09,398 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-10-12 17:13:09,398 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:13:09,398 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:13:09,399 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 17:13:09,407 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 17:13:09,413 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 17:13:09,415 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:13:09,415 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:13:09,415 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:13:09,415 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:13:09,417 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:13:09,417 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:13:09,432 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-10-12 17:13:09,438 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2023-10-12 17:13:09,438 INFO L444 ModelExtractionUtils]: 2 out of 7 variables were initially zero. Simplification set additionally 2 variables to zero. [2023-10-12 17:13:09,439 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:13:09,439 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:13:09,441 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 17:13:09,449 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 17:13:09,452 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-10-12 17:13:09,473 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-10-12 17:13:09,473 INFO L513 LassoAnalysis]: Proved termination. [2023-10-12 17:13:09,473 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(i_14) = -2*i_14 + 9 Supporting invariants [] [2023-10-12 17:13:09,481 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2023-10-12 17:13:09,484 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-10-12 17:13:09,495 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:13:09,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-10-12 17:13:09,503 INFO L262 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 2 conjunts are in the unsatisfiable core [2023-10-12 17:13:09,505 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-10-12 17:13:09,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-10-12 17:13:09,516 INFO L262 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 4 conjunts are in the unsatisfiable core [2023-10-12 17:13:09,517 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-10-12 17:13:09,517 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 17:13:09,517 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 17:13:09,518 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 115 states and 442 transitions. cyclomatic complexity: 367 Second operand has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 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 17:13:09,561 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 115 states and 442 transitions. cyclomatic complexity: 367. Second operand has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 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 231 states and 839 transitions. Complement of second has 4 states. [2023-10-12 17:13:09,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2023-10-12 17:13:09,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 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 17:13:09,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 30 transitions. [2023-10-12 17:13:09,563 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 30 transitions. Stem has 4 letters. Loop has 1 letters. [2023-10-12 17:13:09,564 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:13:09,564 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 30 transitions. Stem has 5 letters. Loop has 1 letters. [2023-10-12 17:13:09,564 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:13:09,564 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 30 transitions. Stem has 4 letters. Loop has 2 letters. [2023-10-12 17:13:09,564 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:13:09,564 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 231 states and 839 transitions. [2023-10-12 17:13:09,567 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-10-12 17:13:09,567 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 231 states to 0 states and 0 transitions. [2023-10-12 17:13:09,567 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2023-10-12 17:13:09,567 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2023-10-12 17:13:09,568 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2023-10-12 17:13:09,568 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-10-12 17:13:09,568 INFO L219 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-10-12 17:13:09,568 INFO L241 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-10-12 17:13:09,568 INFO L430 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-10-12 17:13:09,568 INFO L337 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2023-10-12 17:13:09,568 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2023-10-12 17:13:09,568 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-10-12 17:13:09,568 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2023-10-12 17:13:09,577 INFO L201 PluginConnector]: Adding new model chromosome-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 12.10 05:13:09 BoogieIcfgContainer [2023-10-12 17:13:09,577 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-10-12 17:13:09,578 INFO L158 Benchmark]: Toolchain (without parser) took 3329.05ms. Allocated memory was 170.9MB in the beginning and 238.0MB in the end (delta: 67.1MB). Free memory was 124.6MB in the beginning and 151.4MB in the end (delta: -26.8MB). Peak memory consumption was 40.5MB. Max. memory is 8.0GB. [2023-10-12 17:13:09,579 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.29ms. Allocated memory is still 170.9MB. Free memory is still 125.8MB. There was no memory consumed. Max. memory is 8.0GB. [2023-10-12 17:13:09,579 INFO L158 Benchmark]: Boogie Procedure Inliner took 24.36ms. Allocated memory is still 170.9MB. Free memory was 124.5MB in the beginning and 122.9MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2023-10-12 17:13:09,582 INFO L158 Benchmark]: Boogie Preprocessor took 23.82ms. Allocated memory is still 170.9MB. Free memory was 122.9MB in the beginning and 121.9MB in the end (delta: 1.1MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2023-10-12 17:13:09,582 INFO L158 Benchmark]: RCFGBuilder took 303.04ms. Allocated memory is still 170.9MB. Free memory was 121.9MB in the beginning and 108.2MB in the end (delta: 13.6MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. [2023-10-12 17:13:09,584 INFO L158 Benchmark]: BuchiAutomizer took 2973.04ms. Allocated memory was 170.9MB in the beginning and 238.0MB in the end (delta: 67.1MB). Free memory was 108.1MB in the beginning and 151.4MB in the end (delta: -43.3MB). Peak memory consumption was 24.8MB. Max. memory is 8.0GB. [2023-10-12 17:13:09,589 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 0.29ms. Allocated memory is still 170.9MB. Free memory is still 125.8MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 24.36ms. Allocated memory is still 170.9MB. Free memory was 124.5MB in the beginning and 122.9MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 23.82ms. Allocated memory is still 170.9MB. Free memory was 122.9MB in the beginning and 121.9MB in the end (delta: 1.1MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 303.04ms. Allocated memory is still 170.9MB. Free memory was 121.9MB in the beginning and 108.2MB in the end (delta: 13.6MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. * BuchiAutomizer took 2973.04ms. Allocated memory was 170.9MB in the beginning and 238.0MB in the end (delta: 67.1MB). Free memory was 108.1MB in the beginning and 151.4MB in the end (delta: -43.3MB). Peak memory consumption was 24.8MB. 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 9 + -2 * i_8 and consists of 4 locations. One deterministic module has affine ranking function -2 * i_11 + 9 and consists of 3 locations. One deterministic module has affine ranking function 9 + -2 * i_14 and consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.8s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 2.0s. Construction of modules took 0.0s. Büchi inclusion checks took 0.3s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 2. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 53 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [3, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 64 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 61 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 98 IncrementalHoareTripleChecker+Invalid, 101 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 0 mSDtfsCounter, 98 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso3 LassoPreprocessingBenchmarks: Lassos: inital61 mio100 ax100 hnf100 lsp77 ukn91 mio100 lsp74 div100 bol131 ite100 ukn100 eq142 hnf96 smp100 dnf315 smp49 tf100 neg100 sie117 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 99ms VariablesStem: 3 VariablesLoop: 5 DisjunctsStem: 2 DisjunctsLoop: 3 SupportingInvariants: 6 MotzkinApplications: 36 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.2s - 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: 0.2s, 29 PlacesBefore, 24 PlacesAfterwards, 22 TransitionsBefore, 17 TransitionsAfterwards, 144 CoEnabledTransitionPairs, 2 FixpointIterations, 3 TrivialSequentialCompositions, 3 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 6 TotalNumberOfCompositions, 88 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 88, independent: 88, independent conditional: 0, independent unconditional: 88, 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: 56, independent: 56, independent conditional: 0, independent unconditional: 56, 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: 56, independent: 56, independent conditional: 0, independent unconditional: 56, 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: 88, independent: 32, independent conditional: 0, independent unconditional: 32, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 56, unknown conditional: 0, unknown unconditional: 56] , Statistics on independence cache: Total cache size (in pairs): 24, Positive cache size: 24, Positive conditional cache size: 0, Positive unconditional cache size: 24, 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 17:13:09,612 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 17:13:09,809 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...