/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/POPL2023/sumsumsampleabs2.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.3-wip.fs.rabin-petrinet-4c29625-m [2023-10-12 17:12:45,156 INFO L172 SettingsManager]: Resetting all preferences to default values... [2023-10-12 17:12:45,355 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 17:12:45,369 INFO L114 SettingsManager]: Preferences different from defaults after loading the file: [2023-10-12 17:12:45,370 INFO L135 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-10-12 17:12:45,370 INFO L137 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-10-12 17:12:45,371 INFO L135 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-10-12 17:12:45,371 INFO L137 SettingsManager]: * Create parallel compositions if possible=false [2023-10-12 17:12:45,371 INFO L137 SettingsManager]: * Use SBE=true [2023-10-12 17:12:45,372 INFO L135 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-10-12 17:12:45,372 INFO L137 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-10-12 17:12:45,372 INFO L137 SettingsManager]: * Use old map elimination=false [2023-10-12 17:12:45,372 INFO L137 SettingsManager]: * Use external solver (rank synthesis)=false [2023-10-12 17:12:45,373 INFO L137 SettingsManager]: * Use only trivial implications for array writes=true [2023-10-12 17:12:45,373 INFO L137 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-10-12 17:12:45,373 INFO L135 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-10-12 17:12:45,373 INFO L137 SettingsManager]: * sizeof long=4 [2023-10-12 17:12:45,374 INFO L137 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-10-12 17:12:45,374 INFO L137 SettingsManager]: * Overapproximate operations on floating types=true [2023-10-12 17:12:45,374 INFO L137 SettingsManager]: * sizeof POINTER=4 [2023-10-12 17:12:45,374 INFO L137 SettingsManager]: * Check division by zero=IGNORE [2023-10-12 17:12:45,375 INFO L137 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-10-12 17:12:45,375 INFO L137 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-10-12 17:12:45,375 INFO L137 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-10-12 17:12:45,375 INFO L137 SettingsManager]: * sizeof long double=12 [2023-10-12 17:12:45,375 INFO L137 SettingsManager]: * Check if freed pointer was valid=false [2023-10-12 17:12:45,376 INFO L137 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-10-12 17:12:45,376 INFO L137 SettingsManager]: * Use constant arrays=true [2023-10-12 17:12:45,376 INFO L137 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-10-12 17:12:45,376 INFO L135 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-10-12 17:12:45,376 INFO L137 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-10-12 17:12:45,377 INFO L135 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-10-12 17:12:45,377 INFO L137 SettingsManager]: * Trace refinement strategy=CAMEL [2023-10-12 17:12:45,378 INFO L135 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-10-12 17:12:45,378 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: Automaton type for concurrent programs -> BUCHI_AUTOMATON [2023-10-12 17:12:45,523 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-10-12 17:12:45,541 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-10-12 17:12:45,543 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-10-12 17:12:45,545 INFO L270 PluginConnector]: Initializing Boogie PL CUP Parser... [2023-10-12 17:12:45,545 INFO L274 PluginConnector]: Boogie PL CUP Parser initialized [2023-10-12 17:12:45,547 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2023/sumsumsampleabs2.bpl [2023-10-12 17:12:45,547 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2023/sumsumsampleabs2.bpl' [2023-10-12 17:12:45,571 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-10-12 17:12:45,572 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2023-10-12 17:12:45,575 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-10-12 17:12:45,575 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-10-12 17:12:45,575 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-10-12 17:12:45,586 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "sumsumsampleabs2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:12:45" (1/1) ... [2023-10-12 17:12:45,594 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "sumsumsampleabs2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:12:45" (1/1) ... [2023-10-12 17:12:45,598 INFO L138 Inliner]: procedures = 5, calls = 4, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2023-10-12 17:12:45,599 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-10-12 17:12:45,601 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-10-12 17:12:45,602 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-10-12 17:12:45,602 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-10-12 17:12:45,609 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "sumsumsampleabs2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:12:45" (1/1) ... [2023-10-12 17:12:45,609 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "sumsumsampleabs2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:12:45" (1/1) ... [2023-10-12 17:12:45,611 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "sumsumsampleabs2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:12:45" (1/1) ... [2023-10-12 17:12:45,611 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "sumsumsampleabs2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:12:45" (1/1) ... [2023-10-12 17:12:45,615 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "sumsumsampleabs2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:12:45" (1/1) ... [2023-10-12 17:12:45,620 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "sumsumsampleabs2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:12:45" (1/1) ... [2023-10-12 17:12:45,621 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "sumsumsampleabs2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:12:45" (1/1) ... [2023-10-12 17:12:45,622 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "sumsumsampleabs2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:12:45" (1/1) ... [2023-10-12 17:12:45,623 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-10-12 17:12:45,624 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-10-12 17:12:45,624 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-10-12 17:12:45,624 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-10-12 17:12:45,625 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "sumsumsampleabs2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:12:45" (1/1) ... [2023-10-12 17:12:45,629 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:12:45,639 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:12:45,699 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 17:12:45,714 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 17:12:45,736 INFO L124 BoogieDeclarations]: Specification and implementation of procedure sum1 given in one single declaration [2023-10-12 17:12:45,736 INFO L130 BoogieDeclarations]: Found specification of procedure sum1 [2023-10-12 17:12:45,737 INFO L138 BoogieDeclarations]: Found implementation of procedure sum1 [2023-10-12 17:12:45,737 INFO L124 BoogieDeclarations]: Specification and implementation of procedure sum2 given in one single declaration [2023-10-12 17:12:45,737 INFO L130 BoogieDeclarations]: Found specification of procedure sum2 [2023-10-12 17:12:45,737 INFO L138 BoogieDeclarations]: Found implementation of procedure sum2 [2023-10-12 17:12:45,737 INFO L124 BoogieDeclarations]: Specification and implementation of procedure bank given in one single declaration [2023-10-12 17:12:45,738 INFO L130 BoogieDeclarations]: Found specification of procedure bank [2023-10-12 17:12:45,738 INFO L138 BoogieDeclarations]: Found implementation of procedure bank [2023-10-12 17:12:45,740 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2023-10-12 17:12:45,741 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-10-12 17:12:45,741 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-10-12 17:12:45,741 INFO L124 BoogieDeclarations]: Specification and implementation of procedure mapAbs given in one single declaration [2023-10-12 17:12:45,741 INFO L130 BoogieDeclarations]: Found specification of procedure mapAbs [2023-10-12 17:12:45,742 INFO L138 BoogieDeclarations]: Found implementation of procedure mapAbs [2023-10-12 17:12:45,742 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 17:12:45,810 INFO L236 CfgBuilder]: Building ICFG [2023-10-12 17:12:45,811 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-10-12 17:12:45,894 INFO L277 CfgBuilder]: Performing block encoding [2023-10-12 17:12:45,899 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-10-12 17:12:45,899 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-10-12 17:12:45,900 INFO L201 PluginConnector]: Adding new model sumsumsampleabs2.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 05:12:45 BoogieIcfgContainer [2023-10-12 17:12:45,900 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-10-12 17:12:45,901 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-10-12 17:12:45,901 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-10-12 17:12:45,903 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-10-12 17:12:45,904 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-10-12 17:12:45,904 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "sumsumsampleabs2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:12:45" (1/2) ... [2023-10-12 17:12:45,905 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@751d2d19 and model type sumsumsampleabs2.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 12.10 05:12:45, skipping insertion in model container [2023-10-12 17:12:45,905 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-10-12 17:12:45,905 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "sumsumsampleabs2.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 05:12:45" (2/2) ... [2023-10-12 17:12:45,906 INFO L332 chiAutomizerObserver]: Analyzing ICFG sumsumsampleabs2.bpl [2023-10-12 17:12:45,959 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-10-12 17:12:45,978 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 46 places, 40 transitions, 106 flow [2023-10-12 17:12:45,998 INFO L124 PetriNetUnfolderBase]: 3/32 cut-off events. [2023-10-12 17:12:45,998 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-10-12 17:12:46,002 INFO L83 FinitePrefix]: Finished finitePrefix Result has 47 conditions, 32 events. 3/32 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 77 event pairs, 0 based on Foata normal form. 0/28 useless extension candidates. Maximal degree in co-relation 39. Up to 2 conditions per place. [2023-10-12 17:12:46,002 INFO L82 GeneralOperation]: Start removeDead. Operand has 46 places, 40 transitions, 106 flow [2023-10-12 17:12:46,005 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 42 places, 32 transitions, 82 flow [2023-10-12 17:12:46,008 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2023-10-12 17:12:46,017 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 42 places, 32 transitions, 82 flow [2023-10-12 17:12:46,019 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 42 places, 32 transitions, 82 flow [2023-10-12 17:12:46,019 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 42 places, 32 transitions, 82 flow [2023-10-12 17:12:46,030 INFO L124 PetriNetUnfolderBase]: 3/32 cut-off events. [2023-10-12 17:12:46,030 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-10-12 17:12:46,031 INFO L83 FinitePrefix]: Finished finitePrefix Result has 47 conditions, 32 events. 3/32 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 77 event pairs, 0 based on Foata normal form. 0/28 useless extension candidates. Maximal degree in co-relation 39. Up to 2 conditions per place. [2023-10-12 17:12:46,031 INFO L119 LiptonReduction]: Number of co-enabled transitions 550 [2023-10-12 17:12:46,248 INFO L134 LiptonReduction]: Checked pairs total: 693 [2023-10-12 17:12:46,249 INFO L136 LiptonReduction]: Total number of compositions: 9 [2023-10-12 17:12:46,262 INFO L305 stractBuchiCegarLoop]: Interprodecural is true [2023-10-12 17:12:46,262 INFO L306 stractBuchiCegarLoop]: Hoare is false [2023-10-12 17:12:46,262 INFO L307 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-10-12 17:12:46,262 INFO L308 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-10-12 17:12:46,263 INFO L309 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-10-12 17:12:46,263 INFO L310 stractBuchiCegarLoop]: Difference is false [2023-10-12 17:12:46,263 INFO L311 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-10-12 17:12:46,263 INFO L315 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-10-12 17:12:46,264 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand currently 0 states, but on-demand construction may add more states [2023-10-12 17:12:46,351 INFO L131 ngComponentsAnalysis]: Automaton has 141 accepting balls. 261 [2023-10-12 17:12:46,352 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-10-12 17:12:46,352 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-10-12 17:12:46,356 INFO L149 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2023-10-12 17:12:46,356 INFO L150 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-10-12 17:12:46,356 INFO L337 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-10-12 17:12:46,356 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand currently 390 states, but on-demand construction may add more states [2023-10-12 17:12:46,369 INFO L131 ngComponentsAnalysis]: Automaton has 141 accepting balls. 261 [2023-10-12 17:12:46,369 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-10-12 17:12:46,369 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-10-12 17:12:46,370 INFO L149 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2023-10-12 17:12:46,370 INFO L150 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-10-12 17:12:46,373 INFO L748 eck$LassoCheckResult]: Stem: 49#[$Ultimate##0]don't care [101] $Ultimate##0-->$Ultimate##0: Formula: (= v_bankThread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{bankThread1of1ForFork0_thidvar0=v_bankThread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[bankThread1of1ForFork0_thidvar0] 52#[$Ultimate##0, L68]don't care [104] L68-->$Ultimate##0: Formula: (and (= 2 v_sum1Thread1of1ForFork1_thidvar1_2) (= 2 v_sum1Thread1of1ForFork1_thidvar0_2)) InVars {} OutVars{sum1Thread1of1ForFork1_thidvar1=v_sum1Thread1of1ForFork1_thidvar1_2, sum1Thread1of1ForFork1_thidvar0=v_sum1Thread1of1ForFork1_thidvar0_2, sum1Thread1of1ForFork1_x=v_sum1Thread1of1ForFork1_x_2} AuxVars[] AssignedVars[sum1Thread1of1ForFork1_thidvar1, sum1Thread1of1ForFork1_thidvar0, sum1Thread1of1ForFork1_x] 54#[L69, $Ultimate##0, $Ultimate##0]don't care [76] $Ultimate##0-->L22: Formula: (= v_sum1_1 0) InVars {} OutVars{sum1=v_sum1_1} AuxVars[] AssignedVars[sum1] 62#[$Ultimate##0, L69, L22]don't care [77] L22-->L23-1: Formula: (= v_i1_1 0) InVars {} OutVars{i1=v_i1_1} AuxVars[] AssignedVars[i1] 78#[L69, $Ultimate##0, L23-1]don't care [2023-10-12 17:12:46,373 INFO L750 eck$LassoCheckResult]: Loop: 78#[L69, $Ultimate##0, L23-1]don't care [116] L23-1-->L25: Formula: (and (< v_i1_15 v_N_13) (= (+ (let ((.cse0 (select v_A_9 v_i1_15))) (ite (< .cse0 0) (- .cse0) .cse0)) v_sum1_13) v_sum1_12)) InVars {sum1=v_sum1_13, A=v_A_9, N=v_N_13, i1=v_i1_15} OutVars{sum1=v_sum1_12, A=v_A_9, N=v_N_13, i1=v_i1_15} AuxVars[] AssignedVars[sum1] 106#[$Ultimate##0, L69, L25]don't care [82] L25-->L23-1: Formula: (= v_i1_4 (+ v_i1_5 1)) InVars {i1=v_i1_5} OutVars{i1=v_i1_4} AuxVars[] AssignedVars[i1] 78#[L69, $Ultimate##0, L23-1]don't care [2023-10-12 17:12:46,377 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:12:46,377 INFO L85 PathProgramCache]: Analyzing trace with hash 4034789, now seen corresponding path program 1 times [2023-10-12 17:12:46,383 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:12:46,383 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [115953200] [2023-10-12 17:12:46,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:12:46,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:12:46,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:12:46,432 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:12:46,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:12:46,446 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:12:46,448 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:12:46,448 INFO L85 PathProgramCache]: Analyzing trace with hash 4639, now seen corresponding path program 1 times [2023-10-12 17:12:46,448 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:12:46,448 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1538004925] [2023-10-12 17:12:46,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:12:46,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:12:46,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:12:46,457 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:12:46,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:12:46,462 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:12:46,463 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:12:46,464 INFO L85 PathProgramCache]: Analyzing trace with hash -417531389, now seen corresponding path program 1 times [2023-10-12 17:12:46,464 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:12:46,464 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1923994085] [2023-10-12 17:12:46,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:12:46,464 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:12:46,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:12:46,470 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:12:46,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:12:46,476 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:12:46,586 INFO L210 LassoAnalysis]: Preferences: [2023-10-12 17:12:46,587 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-10-12 17:12:46,587 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-10-12 17:12:46,587 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-10-12 17:12:46,587 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-10-12 17:12:46,587 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:12:46,587 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-10-12 17:12:46,587 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-10-12 17:12:46,587 INFO L133 ssoRankerPreferences]: Filename of dumped script: sumsumsampleabs2.bpl_BEv2_Iteration1_Lasso [2023-10-12 17:12:46,588 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-10-12 17:12:46,588 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-10-12 17:12:46,600 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-10-12 17:12:46,609 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 17:12:46,654 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 17:12:46,657 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 17:12:46,659 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 17:12:46,752 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-10-12 17:12:46,755 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-10-12 17:12:46,756 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:12:46,756 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:12:46,758 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 17:12:46,761 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 17:12:46,852 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 17:12:46,859 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:12:46,859 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:12:46,859 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:12:46,860 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:12:46,863 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:12:46,863 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:12:46,889 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:12:46,906 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 17:12:46,906 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:12:46,906 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:12:46,907 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 17:12:46,910 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 17:12:46,911 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 17:12:46,918 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:12:46,918 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:12:46,918 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:12:46,919 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:12:46,935 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:12:46,935 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:12:46,957 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-10-12 17:12:46,962 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2023-10-12 17:12:46,962 INFO L444 ModelExtractionUtils]: 6 out of 10 variables were initially zero. Simplification set additionally 1 variables to zero. [2023-10-12 17:12:46,963 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:12:46,963 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:12:46,966 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 17:12:47,185 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 17:12:47,189 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-10-12 17:12:47,200 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-10-12 17:12:47,200 INFO L513 LassoAnalysis]: Proved termination. [2023-10-12 17:12:47,201 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(i1, N) = -1*i1 + 1*N Supporting invariants [] [2023-10-12 17:12:47,206 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 17:12:47,209 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-10-12 17:12:47,224 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:12:47,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-10-12 17:12:47,236 INFO L262 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 2 conjunts are in the unsatisfiable core [2023-10-12 17:12:47,237 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-10-12 17:12:47,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-10-12 17:12:47,251 WARN L260 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core [2023-10-12 17:12:47,252 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-10-12 17:12:47,266 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 17:12:47,293 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2023-10-12 17:12:47,295 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand currently 390 states, but on-demand construction may add more states Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 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 17:12:47,408 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand currently 390 states, but on-demand construction may add more states. Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 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 960 states and 4046 transitions. Complement of second has 6 states. [2023-10-12 17:12:47,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2023-10-12 17:12:47,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 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 17:12:47,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 61 transitions. [2023-10-12 17:12:47,416 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 61 transitions. Stem has 4 letters. Loop has 2 letters. [2023-10-12 17:12:47,416 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:12:47,416 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 61 transitions. Stem has 6 letters. Loop has 2 letters. [2023-10-12 17:12:47,417 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:12:47,417 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 61 transitions. Stem has 4 letters. Loop has 4 letters. [2023-10-12 17:12:47,417 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:12:47,418 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 960 states and 4046 transitions. [2023-10-12 17:12:47,439 INFO L131 ngComponentsAnalysis]: Automaton has 132 accepting balls. 201 [2023-10-12 17:12:47,459 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 960 states to 777 states and 3264 transitions. [2023-10-12 17:12:47,460 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 419 [2023-10-12 17:12:47,463 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 598 [2023-10-12 17:12:47,465 INFO L73 IsDeterministic]: Start isDeterministic. Operand 777 states and 3264 transitions. [2023-10-12 17:12:47,466 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-10-12 17:12:47,467 INFO L219 hiAutomatonCegarLoop]: Abstraction has 777 states and 3264 transitions. [2023-10-12 17:12:47,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 777 states and 3264 transitions. [2023-10-12 17:12:47,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 777 to 602. [2023-10-12 17:12:47,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 602 states, 602 states have (on average 4.398671096345515) internal successors, (2648), 601 states have internal predecessors, (2648), 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 17:12:47,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 602 states to 602 states and 2648 transitions. [2023-10-12 17:12:47,522 INFO L241 hiAutomatonCegarLoop]: Abstraction has 602 states and 2648 transitions. [2023-10-12 17:12:47,522 INFO L430 stractBuchiCegarLoop]: Abstraction has 602 states and 2648 transitions. [2023-10-12 17:12:47,522 INFO L337 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-10-12 17:12:47,522 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 602 states and 2648 transitions. [2023-10-12 17:12:47,527 INFO L131 ngComponentsAnalysis]: Automaton has 132 accepting balls. 201 [2023-10-12 17:12:47,527 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-10-12 17:12:47,527 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-10-12 17:12:47,528 INFO L149 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2023-10-12 17:12:47,528 INFO L150 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-10-12 17:12:47,528 INFO L748 eck$LassoCheckResult]: Stem: 2918#[$Ultimate##0]don't care [101] $Ultimate##0-->$Ultimate##0: Formula: (= v_bankThread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{bankThread1of1ForFork0_thidvar0=v_bankThread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[bankThread1of1ForFork0_thidvar0] 2164#[$Ultimate##0, L68]don't care [104] L68-->$Ultimate##0: Formula: (and (= 2 v_sum1Thread1of1ForFork1_thidvar1_2) (= 2 v_sum1Thread1of1ForFork1_thidvar0_2)) InVars {} OutVars{sum1Thread1of1ForFork1_thidvar1=v_sum1Thread1of1ForFork1_thidvar1_2, sum1Thread1of1ForFork1_thidvar0=v_sum1Thread1of1ForFork1_thidvar0_2, sum1Thread1of1ForFork1_x=v_sum1Thread1of1ForFork1_x_2} AuxVars[] AssignedVars[sum1Thread1of1ForFork1_thidvar1, sum1Thread1of1ForFork1_thidvar0, sum1Thread1of1ForFork1_x] 2166#[L69, $Ultimate##0, $Ultimate##0]don't care [107] L69-->$Ultimate##0: Formula: (and (= 3 v_sum2Thread1of1ForFork2_thidvar1_2) (= 3 v_sum2Thread1of1ForFork2_thidvar2_2) (= 3 v_sum2Thread1of1ForFork2_thidvar0_2)) InVars {} OutVars{sum2Thread1of1ForFork2_thidvar0=v_sum2Thread1of1ForFork2_thidvar0_2, sum2Thread1of1ForFork2_thidvar1=v_sum2Thread1of1ForFork2_thidvar1_2, sum2Thread1of1ForFork2_thidvar2=v_sum2Thread1of1ForFork2_thidvar2_2, sum2Thread1of1ForFork2_y=v_sum2Thread1of1ForFork2_y_2} AuxVars[] AssignedVars[sum2Thread1of1ForFork2_thidvar0, sum2Thread1of1ForFork2_thidvar1, sum2Thread1of1ForFork2_thidvar2, sum2Thread1of1ForFork2_y] 2560#[L70, $Ultimate##0, $Ultimate##0, $Ultimate##0]don't care [83] $Ultimate##0-->L34: Formula: (= v_sum2_3 0) InVars {} OutVars{sum2=v_sum2_3} AuxVars[] AssignedVars[sum2] 2304#[L34, L70, $Ultimate##0, $Ultimate##0]don't care [84] L34-->L35-1: Formula: (= v_i2_6 0) InVars {} OutVars{i2=v_i2_6} AuxVars[] AssignedVars[i2] 2306#[L70, L35-1, $Ultimate##0, $Ultimate##0]don't care [2023-10-12 17:12:47,528 INFO L750 eck$LassoCheckResult]: Loop: 2306#[L70, L35-1, $Ultimate##0, $Ultimate##0]don't care [118] L35-1-->L37: Formula: (and (< v_i2_23 v_N_17) (= (+ (let ((.cse0 (select v_A_17 v_i2_23))) (ite (< .cse0 0) (- .cse0) .cse0)) v_sum2_23) v_sum2_22)) InVars {A=v_A_17, sum2=v_sum2_23, N=v_N_17, i2=v_i2_23} OutVars{A=v_A_17, sum2=v_sum2_22, N=v_N_17, i2=v_i2_23} AuxVars[] AssignedVars[sum2] 2758#[L37, L70, $Ultimate##0, $Ultimate##0]don't care [89] L37-->L35-1: Formula: (= (+ v_i2_4 1) v_i2_3) InVars {i2=v_i2_4} OutVars{i2=v_i2_3} AuxVars[] AssignedVars[i2] 2306#[L70, L35-1, $Ultimate##0, $Ultimate##0]don't care [2023-10-12 17:12:47,529 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:12:47,529 INFO L85 PathProgramCache]: Analyzing trace with hash 125108520, now seen corresponding path program 1 times [2023-10-12 17:12:47,529 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:12:47,530 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [408168727] [2023-10-12 17:12:47,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:12:47,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:12:47,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:12:47,533 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:12:47,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:12:47,536 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:12:47,537 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:12:47,537 INFO L85 PathProgramCache]: Analyzing trace with hash 4708, now seen corresponding path program 1 times [2023-10-12 17:12:47,537 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:12:47,537 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1229534900] [2023-10-12 17:12:47,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:12:47,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:12:47,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:12:47,544 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:12:47,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:12:47,548 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:12:47,549 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:12:47,549 INFO L85 PathProgramCache]: Analyzing trace with hash -29792821, now seen corresponding path program 1 times [2023-10-12 17:12:47,549 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:12:47,549 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [51660008] [2023-10-12 17:12:47,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:12:47,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:12:47,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:12:47,555 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:12:47,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:12:47,560 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:12:47,636 INFO L210 LassoAnalysis]: Preferences: [2023-10-12 17:12:47,636 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-10-12 17:12:47,636 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-10-12 17:12:47,636 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-10-12 17:12:47,636 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-10-12 17:12:47,636 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:12:47,636 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-10-12 17:12:47,636 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-10-12 17:12:47,636 INFO L133 ssoRankerPreferences]: Filename of dumped script: sumsumsampleabs2.bpl_BEv2_Iteration2_Lasso [2023-10-12 17:12:47,636 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-10-12 17:12:47,637 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-10-12 17:12:47,638 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 17:12:47,641 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 17:12:47,643 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 17:12:47,646 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 17:12:47,648 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 17:12:47,649 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 17:12:47,675 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 17:12:47,677 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 17:12:47,681 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 17:12:47,791 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-10-12 17:12:47,792 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-10-12 17:12:47,792 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:12:47,792 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:12:47,793 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 17:12:47,795 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 17:12:47,796 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 17:12:47,802 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:12:47,802 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:12:47,802 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:12:47,802 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:12:47,806 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:12:47,806 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:12:47,822 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:12:47,839 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 17:12:47,839 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:12:47,840 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:12:47,841 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 17:12:47,843 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 17:12:47,845 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 17:12:47,850 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:12:47,850 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:12:47,851 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:12:47,851 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:12:47,852 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:12:47,852 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:12:47,881 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:12:47,886 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 17:12:47,886 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:12:47,886 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:12:47,905 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 17:12:47,925 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 17:12:47,931 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:12:47,931 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:12:47,931 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:12:47,931 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:12:47,935 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 17:12:47,939 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:12:47,939 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:12:47,944 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2023-10-12 17:12:47,957 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:12:47,965 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 17:12:47,966 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:12:47,966 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:12:47,967 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 17:12:47,968 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 17:12:47,970 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 17:12:47,976 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:12:47,977 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-10-12 17:12:47,977 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:12:47,977 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:12:47,977 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:12:47,977 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-10-12 17:12:47,977 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-10-12 17:12:47,981 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:12:47,989 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 17:12:47,989 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:12:47,989 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:12:47,990 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 17:12:47,992 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 17:12:47,994 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 17:12:48,001 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:12:48,002 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-10-12 17:12:48,002 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:12:48,002 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:12:48,002 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:12:48,002 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-10-12 17:12:48,002 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-10-12 17:12:48,017 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:12:48,022 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 17:12:48,023 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:12:48,023 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:12:48,024 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-10-12 17:12:48,026 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2023-10-12 17:12:48,027 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 17:12:48,033 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:12:48,033 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:12:48,033 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:12:48,033 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:12:48,039 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:12:48,040 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:12:48,064 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-10-12 17:12:48,067 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2023-10-12 17:12:48,068 INFO L444 ModelExtractionUtils]: 7 out of 10 variables were initially zero. Simplification set additionally 0 variables to zero. [2023-10-12 17:12:48,068 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:12:48,068 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:12:48,069 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-10-12 17:12:48,070 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2023-10-12 17:12:48,079 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-10-12 17:12:48,085 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-10-12 17:12:48,085 INFO L513 LassoAnalysis]: Proved termination. [2023-10-12 17:12:48,085 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(N, i2) = 1*N - 1*i2 Supporting invariants [] [2023-10-12 17:12:48,089 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2023-10-12 17:12:48,090 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-10-12 17:12:48,104 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:12:48,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-10-12 17:12:48,113 INFO L262 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 2 conjunts are in the unsatisfiable core [2023-10-12 17:12:48,113 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-10-12 17:12:48,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-10-12 17:12:48,138 WARN L260 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core [2023-10-12 17:12:48,138 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-10-12 17:12:48,150 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 17:12:48,151 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2023-10-12 17:12:48,151 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 602 states and 2648 transitions. cyclomatic complexity: 2226 Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-10-12 17:12:48,256 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 602 states and 2648 transitions. cyclomatic complexity: 2226. Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 1588 states and 7441 transitions. Complement of second has 6 states. [2023-10-12 17:12:48,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2023-10-12 17:12:48,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-10-12 17:12:48,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 61 transitions. [2023-10-12 17:12:48,274 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 61 transitions. Stem has 5 letters. Loop has 2 letters. [2023-10-12 17:12:48,274 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:12:48,274 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 61 transitions. Stem has 7 letters. Loop has 2 letters. [2023-10-12 17:12:48,274 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:12:48,274 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 61 transitions. Stem has 5 letters. Loop has 4 letters. [2023-10-12 17:12:48,274 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:12:48,274 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1588 states and 7441 transitions. [2023-10-12 17:12:48,293 INFO L131 ngComponentsAnalysis]: Automaton has 99 accepting balls. 99 [2023-10-12 17:12:48,305 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1588 states to 1111 states and 5159 transitions. [2023-10-12 17:12:48,305 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 436 [2023-10-12 17:12:48,308 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 587 [2023-10-12 17:12:48,308 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1111 states and 5159 transitions. [2023-10-12 17:12:48,308 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-10-12 17:12:48,308 INFO L219 hiAutomatonCegarLoop]: Abstraction has 1111 states and 5159 transitions. [2023-10-12 17:12:48,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1111 states and 5159 transitions. [2023-10-12 17:12:48,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1111 to 876. [2023-10-12 17:12:48,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 876 states, 876 states have (on average 4.784246575342466) internal successors, (4191), 875 states have internal predecessors, (4191), 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 17:12:48,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 876 states to 876 states and 4191 transitions. [2023-10-12 17:12:48,342 INFO L241 hiAutomatonCegarLoop]: Abstraction has 876 states and 4191 transitions. [2023-10-12 17:12:48,342 INFO L430 stractBuchiCegarLoop]: Abstraction has 876 states and 4191 transitions. [2023-10-12 17:12:48,342 INFO L337 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2023-10-12 17:12:48,342 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 876 states and 4191 transitions. [2023-10-12 17:12:48,349 INFO L131 ngComponentsAnalysis]: Automaton has 99 accepting balls. 99 [2023-10-12 17:12:48,349 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-10-12 17:12:48,349 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-10-12 17:12:48,349 INFO L149 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2023-10-12 17:12:48,349 INFO L150 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2023-10-12 17:12:48,349 INFO L748 eck$LassoCheckResult]: Stem: 5889#[$Ultimate##0]don't care [101] $Ultimate##0-->$Ultimate##0: Formula: (= v_bankThread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{bankThread1of1ForFork0_thidvar0=v_bankThread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[bankThread1of1ForFork0_thidvar0] 4957#[$Ultimate##0, L68]don't care [104] L68-->$Ultimate##0: Formula: (and (= 2 v_sum1Thread1of1ForFork1_thidvar1_2) (= 2 v_sum1Thread1of1ForFork1_thidvar0_2)) InVars {} OutVars{sum1Thread1of1ForFork1_thidvar1=v_sum1Thread1of1ForFork1_thidvar1_2, sum1Thread1of1ForFork1_thidvar0=v_sum1Thread1of1ForFork1_thidvar0_2, sum1Thread1of1ForFork1_x=v_sum1Thread1of1ForFork1_x_2} AuxVars[] AssignedVars[sum1Thread1of1ForFork1_thidvar1, sum1Thread1of1ForFork1_thidvar0, sum1Thread1of1ForFork1_x] 4959#[L69, $Ultimate##0, $Ultimate##0]don't care [107] L69-->$Ultimate##0: Formula: (and (= 3 v_sum2Thread1of1ForFork2_thidvar1_2) (= 3 v_sum2Thread1of1ForFork2_thidvar2_2) (= 3 v_sum2Thread1of1ForFork2_thidvar0_2)) InVars {} OutVars{sum2Thread1of1ForFork2_thidvar0=v_sum2Thread1of1ForFork2_thidvar0_2, sum2Thread1of1ForFork2_thidvar1=v_sum2Thread1of1ForFork2_thidvar1_2, sum2Thread1of1ForFork2_thidvar2=v_sum2Thread1of1ForFork2_thidvar2_2, sum2Thread1of1ForFork2_y=v_sum2Thread1of1ForFork2_y_2} AuxVars[] AssignedVars[sum2Thread1of1ForFork2_thidvar0, sum2Thread1of1ForFork2_thidvar1, sum2Thread1of1ForFork2_thidvar2, sum2Thread1of1ForFork2_y] 5341#[L70, $Ultimate##0, $Ultimate##0, $Ultimate##0]don't care [110] L70-->$Ultimate##0: Formula: (and (= v_mapAbsThread1of1ForFork3_thidvar2_2 4) (= v_mapAbsThread1of1ForFork3_thidvar1_2 4) (= v_mapAbsThread1of1ForFork3_thidvar0_2 4) (= v_mapAbsThread1of1ForFork3_thidvar3_2 4)) InVars {} OutVars{mapAbsThread1of1ForFork3_thidvar3=v_mapAbsThread1of1ForFork3_thidvar3_2, mapAbsThread1of1ForFork3_thidvar2=v_mapAbsThread1of1ForFork3_thidvar2_2, mapAbsThread1of1ForFork3_thidvar1=v_mapAbsThread1of1ForFork3_thidvar1_2, mapAbsThread1of1ForFork3_thidvar0=v_mapAbsThread1of1ForFork3_thidvar0_2, mapAbsThread1of1ForFork3_j=v_mapAbsThread1of1ForFork3_j_14} AuxVars[] AssignedVars[mapAbsThread1of1ForFork3_thidvar3, mapAbsThread1of1ForFork3_thidvar2, mapAbsThread1of1ForFork3_thidvar1, mapAbsThread1of1ForFork3_thidvar0, mapAbsThread1of1ForFork3_j] 5899#[$Ultimate##0, $Ultimate##0, L71, $Ultimate##0, $Ultimate##0]don't care [93] $Ultimate##0-->L57-1: Formula: (= v_mapAbsThread1of1ForFork3_j_1 0) InVars {} OutVars{mapAbsThread1of1ForFork3_j=v_mapAbsThread1of1ForFork3_j_1} AuxVars[] AssignedVars[mapAbsThread1of1ForFork3_j] 5157#[$Ultimate##0, L57-1, L71, $Ultimate##0, $Ultimate##0]don't care [2023-10-12 17:12:48,350 INFO L750 eck$LassoCheckResult]: Loop: 5157#[$Ultimate##0, L57-1, L71, $Ultimate##0, $Ultimate##0]don't care [121] L57-1-->L57-1: Formula: (and (= v_mapAbsThread1of1ForFork3_j_25 (+ v_mapAbsThread1of1ForFork3_j_26 1)) (< v_mapAbsThread1of1ForFork3_j_26 v_N_23) (= (store v_A_28 v_mapAbsThread1of1ForFork3_j_26 (let ((.cse0 (select v_A_28 v_mapAbsThread1of1ForFork3_j_26))) (ite (< .cse0 0) (- .cse0) .cse0))) v_A_27)) InVars {A=v_A_28, N=v_N_23, mapAbsThread1of1ForFork3_j=v_mapAbsThread1of1ForFork3_j_26} OutVars{A=v_A_27, N=v_N_23, mapAbsThread1of1ForFork3_j=v_mapAbsThread1of1ForFork3_j_25} AuxVars[] AssignedVars[A, mapAbsThread1of1ForFork3_j] 5157#[$Ultimate##0, L57-1, L71, $Ultimate##0, $Ultimate##0]don't care [2023-10-12 17:12:48,350 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:12:48,350 INFO L85 PathProgramCache]: Analyzing trace with hash 125109366, now seen corresponding path program 1 times [2023-10-12 17:12:48,350 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:12:48,350 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1005962514] [2023-10-12 17:12:48,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:12:48,350 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:12:48,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:12:48,359 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:12:48,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:12:48,373 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:12:48,373 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:12:48,373 INFO L85 PathProgramCache]: Analyzing trace with hash 152, now seen corresponding path program 1 times [2023-10-12 17:12:48,373 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:12:48,377 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1562230662] [2023-10-12 17:12:48,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:12:48,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:12:48,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:12:48,385 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:12:48,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:12:48,389 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:12:48,389 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:12:48,389 INFO L85 PathProgramCache]: Analyzing trace with hash -416576829, now seen corresponding path program 1 times [2023-10-12 17:12:48,389 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:12:48,390 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [48515828] [2023-10-12 17:12:48,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:12:48,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:12:48,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:12:48,395 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:12:48,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:12:48,400 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:12:48,477 INFO L210 LassoAnalysis]: Preferences: [2023-10-12 17:12:48,477 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-10-12 17:12:48,477 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-10-12 17:12:48,477 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-10-12 17:12:48,477 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-10-12 17:12:48,477 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:12:48,477 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-10-12 17:12:48,477 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-10-12 17:12:48,477 INFO L133 ssoRankerPreferences]: Filename of dumped script: sumsumsampleabs2.bpl_BEv2_Iteration3_Lasso [2023-10-12 17:12:48,478 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-10-12 17:12:48,478 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-10-12 17:12:48,479 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 17:12:48,482 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 17:12:48,483 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 17:12:48,493 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 17:12:48,495 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 17:12:48,497 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 17:12:48,499 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 17:12:48,500 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 17:12:48,502 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 17:12:48,504 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 17:12:48,506 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 17:12:48,508 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 17:12:48,509 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 17:12:48,586 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-10-12 17:12:48,586 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-10-12 17:12:48,586 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:12:48,586 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:12:48,587 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-10-12 17:12:48,628 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 17:12:48,635 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2023-10-12 17:12:48,636 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:12:48,636 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:12:48,636 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:12:48,636 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:12:48,637 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:12:48,637 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:12:48,653 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:12:48,656 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2023-10-12 17:12:48,656 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:12:48,656 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:12:48,657 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-10-12 17:12:48,659 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2023-10-12 17:12:48,661 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 17:12:48,667 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:12:48,667 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:12:48,667 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:12:48,667 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:12:48,669 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:12:48,669 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:12:48,683 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:12:48,697 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2023-10-12 17:12:48,697 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:12:48,697 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:12:48,713 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-10-12 17:12:48,741 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2023-10-12 17:12:48,742 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 17:12:48,748 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:12:48,748 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-10-12 17:12:48,748 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:12:48,748 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:12:48,748 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:12:48,749 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-10-12 17:12:48,749 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-10-12 17:12:48,763 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:12:48,789 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2023-10-12 17:12:48,789 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:12:48,789 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:12:48,885 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-10-12 17:12:48,887 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2023-10-12 17:12:48,888 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 17:12:48,894 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:12:48,894 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:12:48,894 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:12:48,894 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:12:48,896 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:12:48,896 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:12:48,911 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-10-12 17:12:48,915 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2023-10-12 17:12:48,915 INFO L444 ModelExtractionUtils]: 6 out of 10 variables were initially zero. Simplification set additionally 1 variables to zero. [2023-10-12 17:12:48,915 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:12:48,915 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:12:48,916 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-10-12 17:12:48,917 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2023-10-12 17:12:48,919 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-10-12 17:12:48,926 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-10-12 17:12:48,927 INFO L513 LassoAnalysis]: Proved termination. [2023-10-12 17:12:48,927 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(mapAbsThread1of1ForFork3_j, N) = -1*mapAbsThread1of1ForFork3_j + 1*N Supporting invariants [] [2023-10-12 17:12:48,930 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2023-10-12 17:12:48,931 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-10-12 17:12:48,939 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:12:48,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-10-12 17:12:48,946 INFO L262 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 2 conjunts are in the unsatisfiable core [2023-10-12 17:12:48,947 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-10-12 17:12:48,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-10-12 17:12:48,959 WARN L260 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core [2023-10-12 17:12:48,959 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-10-12 17:12:48,959 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-10-12 17:12:48,960 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 17:12:48,960 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 876 states and 4191 transitions. cyclomatic complexity: 3531 Second operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 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 17:12:49,008 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 876 states and 4191 transitions. cyclomatic complexity: 3531. Second operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 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 2037 states and 9444 transitions. Complement of second has 4 states. [2023-10-12 17:12:49,008 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 17:12:49,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 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 17:12:49,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 55 transitions. [2023-10-12 17:12:49,009 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 55 transitions. Stem has 5 letters. Loop has 1 letters. [2023-10-12 17:12:49,009 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:12:49,009 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 55 transitions. Stem has 6 letters. Loop has 1 letters. [2023-10-12 17:12:49,010 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:12:49,010 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 55 transitions. Stem has 5 letters. Loop has 2 letters. [2023-10-12 17:12:49,010 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:12:49,010 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 2037 states and 9444 transitions. [2023-10-12 17:12:49,068 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2023-10-12 17:12:49,079 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-10-12 17:12:49,079 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 2037 states to 0 states and 0 transitions. [2023-10-12 17:12:49,080 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2023-10-12 17:12:49,080 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2023-10-12 17:12:49,080 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2023-10-12 17:12:49,080 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-10-12 17:12:49,080 INFO L219 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-10-12 17:12:49,080 INFO L241 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-10-12 17:12:49,080 INFO L430 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-10-12 17:12:49,080 INFO L337 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2023-10-12 17:12:49,080 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2023-10-12 17:12:49,080 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-10-12 17:12:49,080 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2023-10-12 17:12:49,095 INFO L201 PluginConnector]: Adding new model sumsumsampleabs2.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 12.10 05:12:49 BoogieIcfgContainer [2023-10-12 17:12:49,095 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-10-12 17:12:49,096 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2023-10-12 17:12:49,099 INFO L158 Benchmark]: Toolchain (without parser) took 3523.00ms. Allocated memory was 216.0MB in the beginning and 260.0MB in the end (delta: 44.0MB). Free memory was 166.8MB in the beginning and 208.4MB in the end (delta: -41.6MB). Peak memory consumption was 3.0MB. Max. memory is 8.0GB. [2023-10-12 17:12:49,099 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.29ms. Allocated memory is still 216.0MB. Free memory is still 167.9MB. There was no memory consumed. Max. memory is 8.0GB. [2023-10-12 17:12:49,100 INFO L158 Benchmark]: Boogie Procedure Inliner took 24.98ms. Allocated memory is still 216.0MB. Free memory was 166.7MB in the beginning and 165.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-10-12 17:12:49,100 INFO L158 Benchmark]: Boogie Preprocessor took 22.48ms. Allocated memory is still 216.0MB. Free memory was 165.1MB in the beginning and 164.1MB in the end (delta: 1.1MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2023-10-12 17:12:49,100 INFO L158 Benchmark]: RCFGBuilder took 276.78ms. Allocated memory is still 216.0MB. Free memory was 164.1MB in the beginning and 182.3MB in the end (delta: -18.3MB). Peak memory consumption was 11.8MB. Max. memory is 8.0GB. [2023-10-12 17:12:49,119 INFO L158 Benchmark]: BuchiAutomizer took 3193.96ms. Allocated memory was 216.0MB in the beginning and 260.0MB in the end (delta: 44.0MB). Free memory was 182.3MB in the beginning and 208.4MB in the end (delta: -26.1MB). Peak memory consumption was 18.5MB. Max. memory is 8.0GB. [2023-10-12 17:12:49,120 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 216.0MB. Free memory is still 167.9MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 24.98ms. Allocated memory is still 216.0MB. Free memory was 166.7MB in the beginning and 165.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 22.48ms. Allocated memory is still 216.0MB. Free memory was 165.1MB in the beginning and 164.1MB in the end (delta: 1.1MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 276.78ms. Allocated memory is still 216.0MB. Free memory was 164.1MB in the beginning and 182.3MB in the end (delta: -18.3MB). Peak memory consumption was 11.8MB. Max. memory is 8.0GB. * BuchiAutomizer took 3193.96ms. Allocated memory was 216.0MB in the beginning and 260.0MB in the end (delta: 44.0MB). Free memory was 182.3MB in the beginning and 208.4MB in the end (delta: -26.1MB). Peak memory consumption was 18.5MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 3 terminating modules (0 trivial, 3 deterministic, 0 nondeterministic). One deterministic module has affine ranking function N + -1 * i1 and consists of 4 locations. One deterministic module has affine ranking function -1 * i2 + N and consists of 4 locations. One deterministic module has affine ranking function N + -1 * j and consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.1s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 1.9s. 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 0.1s AutomataMinimizationTime, 2 MinimizatonAttempts, 410 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.1s 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, 127 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 124 mSDsluCounter, 90 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 39 mSDsCounter, 5 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 150 IncrementalHoareTripleChecker+Invalid, 155 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5 mSolverCounterUnsat, 51 mSDtfsCounter, 150 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso3 LassoPreprocessingBenchmarks: Lassos: inital62 mio100 ax100 hnf100 lsp112 ukn39 mio100 lsp76 div100 bol100 ite100 ukn100 eq176 hnf98 smp100 dnf145 smp70 tf100 neg100 sie106 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 133ms 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: 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, 42 PlacesBefore, 33 PlacesAfterwards, 32 TransitionsBefore, 23 TransitionsAfterwards, 550 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 9 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 9 TotalNumberOfCompositions, 693 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 513, independent: 484, independent conditional: 0, independent unconditional: 484, dependent: 29, dependent conditional: 0, dependent unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 303, independent: 289, independent conditional: 0, independent unconditional: 289, dependent: 14, dependent conditional: 0, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 303, independent: 284, independent conditional: 0, independent unconditional: 284, dependent: 19, dependent conditional: 0, dependent unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 19, independent: 5, independent conditional: 0, independent unconditional: 5, dependent: 14, dependent conditional: 0, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 45, independent: 19, independent conditional: 0, independent unconditional: 19, dependent: 27, dependent conditional: 0, dependent unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 513, independent: 195, independent conditional: 0, independent unconditional: 195, dependent: 15, dependent conditional: 0, dependent unconditional: 15, unknown: 303, unknown conditional: 0, unknown unconditional: 303] , Statistics on independence cache: Total cache size (in pairs): 107, Positive cache size: 98, Positive conditional cache size: 0, Positive unconditional cache size: 98, Negative cache size: 9, Negative conditional cache size: 0, Negative unconditional cache size: 9, 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 17:12:49,151 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...