/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/BuchiAutomizerBplInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Termination-32bit-Automizer_Default.epf --buchiautomizer.automaton.type.for.concurrent.programs BUCHI_AUTOMATON -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/buffer-series-array.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.3-wip.fs.rabin-petrinet-4c29625-m [2023-10-12 17:13:48,871 INFO L172 SettingsManager]: Resetting all preferences to default values... [2023-10-12 17:13:48,944 INFO L100 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Termination-32bit-Automizer_Default.epf [2023-10-12 17:13:48,987 INFO L114 SettingsManager]: Preferences different from defaults after loading the file: [2023-10-12 17:13:48,988 INFO L135 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-10-12 17:13:48,988 INFO L137 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-10-12 17:13:48,990 INFO L135 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-10-12 17:13:48,990 INFO L137 SettingsManager]: * Create parallel compositions if possible=false [2023-10-12 17:13:48,991 INFO L137 SettingsManager]: * Use SBE=true [2023-10-12 17:13:48,994 INFO L135 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-10-12 17:13:48,994 INFO L137 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-10-12 17:13:48,995 INFO L137 SettingsManager]: * Use old map elimination=false [2023-10-12 17:13:48,995 INFO L137 SettingsManager]: * Use external solver (rank synthesis)=false [2023-10-12 17:13:48,996 INFO L137 SettingsManager]: * Use only trivial implications for array writes=true [2023-10-12 17:13:48,996 INFO L137 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-10-12 17:13:48,997 INFO L135 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-10-12 17:13:48,997 INFO L137 SettingsManager]: * sizeof long=4 [2023-10-12 17:13:48,997 INFO L137 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-10-12 17:13:48,997 INFO L137 SettingsManager]: * Overapproximate operations on floating types=true [2023-10-12 17:13:48,998 INFO L137 SettingsManager]: * sizeof POINTER=4 [2023-10-12 17:13:48,999 INFO L137 SettingsManager]: * Check division by zero=IGNORE [2023-10-12 17:13:48,999 INFO L137 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-10-12 17:13:48,999 INFO L137 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-10-12 17:13:48,999 INFO L137 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-10-12 17:13:49,000 INFO L137 SettingsManager]: * sizeof long double=12 [2023-10-12 17:13:49,000 INFO L137 SettingsManager]: * Check if freed pointer was valid=false [2023-10-12 17:13:49,000 INFO L137 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-10-12 17:13:49,000 INFO L137 SettingsManager]: * Use constant arrays=true [2023-10-12 17:13:49,001 INFO L137 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-10-12 17:13:49,001 INFO L135 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-10-12 17:13:49,002 INFO L137 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-10-12 17:13:49,002 INFO L135 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-10-12 17:13:49,002 INFO L137 SettingsManager]: * Trace refinement strategy=CAMEL [2023-10-12 17:13:49,003 INFO L135 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-10-12 17:13:49,003 INFO L137 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: Automaton type for concurrent programs -> BUCHI_AUTOMATON [2023-10-12 17:13:49,240 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-10-12 17:13:49,261 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-10-12 17:13:49,263 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-10-12 17:13:49,264 INFO L270 PluginConnector]: Initializing Boogie PL CUP Parser... [2023-10-12 17:13:49,265 INFO L274 PluginConnector]: Boogie PL CUP Parser initialized [2023-10-12 17:13:49,266 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/buffer-series-array.wvr.bpl [2023-10-12 17:13:49,267 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/buffer-series-array.wvr.bpl' [2023-10-12 17:13:49,303 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-10-12 17:13:49,304 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2023-10-12 17:13:49,305 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-10-12 17:13:49,306 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-10-12 17:13:49,306 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-10-12 17:13:49,318 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "buffer-series-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:13:49" (1/1) ... [2023-10-12 17:13:49,328 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "buffer-series-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:13:49" (1/1) ... [2023-10-12 17:13:49,333 INFO L138 Inliner]: procedures = 5, calls = 4, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2023-10-12 17:13:49,335 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-10-12 17:13:49,336 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-10-12 17:13:49,337 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-10-12 17:13:49,337 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-10-12 17:13:49,345 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "buffer-series-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:13:49" (1/1) ... [2023-10-12 17:13:49,345 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "buffer-series-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:13:49" (1/1) ... [2023-10-12 17:13:49,347 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "buffer-series-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:13:49" (1/1) ... [2023-10-12 17:13:49,347 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "buffer-series-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:13:49" (1/1) ... [2023-10-12 17:13:49,355 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "buffer-series-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:13:49" (1/1) ... [2023-10-12 17:13:49,360 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "buffer-series-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:13:49" (1/1) ... [2023-10-12 17:13:49,362 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "buffer-series-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:13:49" (1/1) ... [2023-10-12 17:13:49,362 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "buffer-series-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:13:49" (1/1) ... [2023-10-12 17:13:49,367 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-10-12 17:13:49,368 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-10-12 17:13:49,368 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-10-12 17:13:49,368 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-10-12 17:13:49,369 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "buffer-series-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:13:49" (1/1) ... [2023-10-12 17:13:49,377 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:13:49,385 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:13:49,406 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-10-12 17:13:49,432 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2023-10-12 17:13:49,443 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2023-10-12 17:13:49,443 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-10-12 17:13:49,443 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-10-12 17:13:49,443 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2023-10-12 17:13:49,443 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-10-12 17:13:49,443 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-10-12 17:13:49,444 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2023-10-12 17:13:49,444 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-10-12 17:13:49,444 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-10-12 17:13:49,444 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2023-10-12 17:13:49,444 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-10-12 17:13:49,445 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-10-12 17:13:49,445 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2023-10-12 17:13:49,446 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2023-10-12 17:13:49,446 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2023-10-12 17:13:49,446 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-10-12 17:13:49,496 INFO L236 CfgBuilder]: Building ICFG [2023-10-12 17:13:49,498 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-10-12 17:13:49,652 INFO L277 CfgBuilder]: Performing block encoding [2023-10-12 17:13:49,681 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-10-12 17:13:49,681 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-10-12 17:13:49,683 INFO L201 PluginConnector]: Adding new model buffer-series-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 05:13:49 BoogieIcfgContainer [2023-10-12 17:13:49,684 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-10-12 17:13:49,684 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-10-12 17:13:49,685 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-10-12 17:13:49,688 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-10-12 17:13:49,688 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-10-12 17:13:49,689 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "buffer-series-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:13:49" (1/2) ... [2023-10-12 17:13:49,690 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@57e4f136 and model type buffer-series-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 12.10 05:13:49, skipping insertion in model container [2023-10-12 17:13:49,691 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-10-12 17:13:49,691 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "buffer-series-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 05:13:49" (2/2) ... [2023-10-12 17:13:49,692 INFO L332 chiAutomizerObserver]: Analyzing ICFG buffer-series-array.wvr.bpl [2023-10-12 17:13:49,757 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2023-10-12 17:13:49,780 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 44 places, 39 transitions, 110 flow [2023-10-12 17:13:49,799 INFO L124 PetriNetUnfolderBase]: 4/31 cut-off events. [2023-10-12 17:13:49,800 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2023-10-12 17:13:49,804 INFO L83 FinitePrefix]: Finished finitePrefix Result has 48 conditions, 31 events. 4/31 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 55 event pairs, 0 based on Foata normal form. 0/26 useless extension candidates. Maximal degree in co-relation 27. Up to 2 conditions per place. [2023-10-12 17:13:49,804 INFO L82 GeneralOperation]: Start removeDead. Operand has 44 places, 39 transitions, 110 flow [2023-10-12 17:13:49,808 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 40 places, 31 transitions, 86 flow [2023-10-12 17:13:49,811 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2023-10-12 17:13:49,824 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 40 places, 31 transitions, 86 flow [2023-10-12 17:13:49,826 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 40 places, 31 transitions, 86 flow [2023-10-12 17:13:49,827 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 40 places, 31 transitions, 86 flow [2023-10-12 17:13:49,834 INFO L124 PetriNetUnfolderBase]: 4/31 cut-off events. [2023-10-12 17:13:49,835 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2023-10-12 17:13:49,835 INFO L83 FinitePrefix]: Finished finitePrefix Result has 48 conditions, 31 events. 4/31 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 55 event pairs, 0 based on Foata normal form. 0/26 useless extension candidates. Maximal degree in co-relation 27. Up to 2 conditions per place. [2023-10-12 17:13:49,836 INFO L119 LiptonReduction]: Number of co-enabled transitions 350 [2023-10-12 17:13:50,037 INFO L134 LiptonReduction]: Checked pairs total: 505 [2023-10-12 17:13:50,037 INFO L136 LiptonReduction]: Total number of compositions: 9 [2023-10-12 17:13:50,054 INFO L305 stractBuchiCegarLoop]: Interprodecural is true [2023-10-12 17:13:50,055 INFO L306 stractBuchiCegarLoop]: Hoare is false [2023-10-12 17:13:50,055 INFO L307 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-10-12 17:13:50,055 INFO L308 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-10-12 17:13:50,055 INFO L309 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-10-12 17:13:50,055 INFO L310 stractBuchiCegarLoop]: Difference is false [2023-10-12 17:13:50,055 INFO L311 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-10-12 17:13:50,055 INFO L315 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-10-12 17:13:50,057 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand currently 0 states, but on-demand construction may add more states [2023-10-12 17:13:50,134 INFO L131 ngComponentsAnalysis]: Automaton has 37 accepting balls. 152 [2023-10-12 17:13:50,134 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-10-12 17:13:50,134 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-10-12 17:13:50,139 INFO L149 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-10-12 17:13:50,139 INFO L150 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-10-12 17:13:50,140 INFO L337 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-10-12 17:13:50,140 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand currently 163 states, but on-demand construction may add more states [2023-10-12 17:13:50,154 INFO L131 ngComponentsAnalysis]: Automaton has 37 accepting balls. 152 [2023-10-12 17:13:50,154 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-10-12 17:13:50,155 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-10-12 17:13:50,155 INFO L149 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-10-12 17:13:50,155 INFO L150 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-10-12 17:13:50,159 INFO L748 eck$LassoCheckResult]: Stem: 47#[$Ultimate##0]don't care [81] $Ultimate##0-->L73: Formula: (and (= v_i_6 0) (= v_q2_front_1 v_q2_back_4) (= v_q1_back_4 v_q1_front_1) (= v_j_6 0) (<= 0 v_N_5) (= v_total_1 0)) InVars {q1_front=v_q1_front_1, N=v_N_5, q2_back=v_q2_back_4, j=v_j_6, i=v_i_6, total=v_total_1, q1_back=v_q1_back_4, q2_front=v_q2_front_1} OutVars{q1_front=v_q1_front_1, N=v_N_5, q2_back=v_q2_back_4, j=v_j_6, i=v_i_6, total=v_total_1, q1_back=v_q1_back_4, q2_front=v_q2_front_1} AuxVars[] AssignedVars[] 50#[L73]don't care [106] L73-->L24: Formula: (= v_thread1Thread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_thidvar0] 52#[L73-1, L24]don't care [2023-10-12 17:13:50,160 INFO L750 eck$LassoCheckResult]: Loop: 52#[L73-1, L24]don't care [126] L24-->L25-1: Formula: (and (= (select v_q1_17 v_q1_back_35) (select v_f_15 v_i_25)) (= (+ 1 v_q1_back_35) v_q1_back_34) (< v_i_25 v_N_24)) InVars {q1=v_q1_17, N=v_N_24, i=v_i_25, f=v_f_15, q1_back=v_q1_back_35} OutVars{q1=v_q1_17, N=v_N_24, i=v_i_25, f=v_f_15, q1_back=v_q1_back_34} AuxVars[] AssignedVars[q1_back] 58#[L73-1, L25-1]don't care [90] L25-1-->L24: Formula: (= v_i_3 (+ v_i_4 1)) InVars {i=v_i_4} OutVars{i=v_i_3} AuxVars[] AssignedVars[i] 52#[L73-1, L24]don't care [2023-10-12 17:13:50,164 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:13:50,164 INFO L85 PathProgramCache]: Analyzing trace with hash 3578, now seen corresponding path program 1 times [2023-10-12 17:13:50,172 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:13:50,173 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [477716551] [2023-10-12 17:13:50,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:13:50,175 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:13:50,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:13:50,269 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:13:50,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:13:50,287 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:13:50,290 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:13:50,290 INFO L85 PathProgramCache]: Analyzing trace with hash 4957, now seen corresponding path program 1 times [2023-10-12 17:13:50,290 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:13:50,290 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2105050921] [2023-10-12 17:13:50,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:13:50,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:13:50,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:13:50,301 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:13:50,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:13:50,307 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:13:50,308 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:13:50,308 INFO L85 PathProgramCache]: Analyzing trace with hash 3442454, now seen corresponding path program 1 times [2023-10-12 17:13:50,308 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:13:50,309 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [116038082] [2023-10-12 17:13:50,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:13:50,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:13:50,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:13:50,316 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:13:50,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:13:50,324 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:13:50,424 INFO L210 LassoAnalysis]: Preferences: [2023-10-12 17:13:50,425 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-10-12 17:13:50,425 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-10-12 17:13:50,425 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-10-12 17:13:50,425 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-10-12 17:13:50,425 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:13:50,425 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-10-12 17:13:50,425 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-10-12 17:13:50,425 INFO L133 ssoRankerPreferences]: Filename of dumped script: buffer-series-array.wvr.bpl_BEv2_Iteration1_Lasso [2023-10-12 17:13:50,426 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-10-12 17:13:50,426 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-10-12 17:13:50,441 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-10-12 17:13:50,452 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-10-12 17:13:50,481 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-10-12 17:13:50,486 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-10-12 17:13:50,489 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-10-12 17:13:50,582 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-10-12 17:13:50,585 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-10-12 17:13:50,586 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:13:50,587 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:13:50,593 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-10-12 17:13:50,598 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-10-12 17:13:50,607 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:13:50,608 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:13:50,608 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:13:50,608 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:13:50,612 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:13:50,612 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:13:50,617 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2023-10-12 17:13:50,619 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:13:50,625 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2023-10-12 17:13:50,625 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:13:50,626 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:13:50,761 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-10-12 17:13:50,762 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2023-10-12 17:13:50,764 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-10-12 17:13:50,770 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:13:50,770 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:13:50,770 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:13:50,771 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:13:50,774 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:13:50,775 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:13:50,801 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-10-12 17:13:50,832 INFO L443 ModelExtractionUtils]: Simplification made 7 calls to the SMT solver. [2023-10-12 17:13:50,832 INFO L444 ModelExtractionUtils]: 2 out of 10 variables were initially zero. Simplification set additionally 5 variables to zero. [2023-10-12 17:13:50,834 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:13:50,834 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:13:50,854 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-10-12 17:13:50,855 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2023-10-12 17:13:50,859 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-10-12 17:13:50,868 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-10-12 17:13:50,869 INFO L513 LassoAnalysis]: Proved termination. [2023-10-12 17:13:50,869 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(N, i) = 1*N - 1*i Supporting invariants [] [2023-10-12 17:13:50,873 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2023-10-12 17:13:50,875 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-10-12 17:13:50,894 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:13:50,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-10-12 17:13:50,910 INFO L262 TraceCheckSpWp]: Trace formula consists of 15 conjuncts, 2 conjunts are in the unsatisfiable core [2023-10-12 17:13:50,911 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-10-12 17:13:50,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-10-12 17:13:50,930 INFO L262 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 4 conjunts are in the unsatisfiable core [2023-10-12 17:13:50,930 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-10-12 17:13:50,946 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-10-12 17:13:50,987 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 17:13:50,990 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand currently 163 states, but on-demand construction may add more states Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-10-12 17:13:51,150 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand currently 163 states, but on-demand construction may add more states. Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 534 states and 2142 transitions. Complement of second has 7 states. [2023-10-12 17:13:51,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2023-10-12 17:13:51,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-10-12 17:13:51,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 65 transitions. [2023-10-12 17:13:51,160 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 65 transitions. Stem has 2 letters. Loop has 2 letters. [2023-10-12 17:13:51,161 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:13:51,162 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 65 transitions. Stem has 4 letters. Loop has 2 letters. [2023-10-12 17:13:51,162 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:13:51,162 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 65 transitions. Stem has 2 letters. Loop has 4 letters. [2023-10-12 17:13:51,162 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:13:51,163 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 534 states and 2142 transitions. [2023-10-12 17:13:51,184 INFO L131 ngComponentsAnalysis]: Automaton has 44 accepting balls. 144 [2023-10-12 17:13:51,200 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 534 states to 385 states and 1593 transitions. [2023-10-12 17:13:51,202 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 153 [2023-10-12 17:13:51,207 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 269 [2023-10-12 17:13:51,208 INFO L73 IsDeterministic]: Start isDeterministic. Operand 385 states and 1593 transitions. [2023-10-12 17:13:51,210 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-10-12 17:13:51,212 INFO L219 hiAutomatonCegarLoop]: Abstraction has 385 states and 1593 transitions. [2023-10-12 17:13:51,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 385 states and 1593 transitions. [2023-10-12 17:13:51,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 385 to 271. [2023-10-12 17:13:51,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 271 states, 271 states have (on average 4.313653136531365) internal successors, (1169), 270 states have internal predecessors, (1169), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-10-12 17:13:51,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 271 states and 1169 transitions. [2023-10-12 17:13:51,281 INFO L241 hiAutomatonCegarLoop]: Abstraction has 271 states and 1169 transitions. [2023-10-12 17:13:51,281 INFO L430 stractBuchiCegarLoop]: Abstraction has 271 states and 1169 transitions. [2023-10-12 17:13:51,281 INFO L337 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-10-12 17:13:51,282 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 271 states and 1169 transitions. [2023-10-12 17:13:51,287 INFO L131 ngComponentsAnalysis]: Automaton has 44 accepting balls. 144 [2023-10-12 17:13:51,288 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-10-12 17:13:51,288 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-10-12 17:13:51,288 INFO L149 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2023-10-12 17:13:51,288 INFO L150 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-10-12 17:13:51,289 INFO L748 eck$LassoCheckResult]: Stem: 1267#[$Ultimate##0]don't care [81] $Ultimate##0-->L73: Formula: (and (= v_i_6 0) (= v_q2_front_1 v_q2_back_4) (= v_q1_back_4 v_q1_front_1) (= v_j_6 0) (<= 0 v_N_5) (= v_total_1 0)) InVars {q1_front=v_q1_front_1, N=v_N_5, q2_back=v_q2_back_4, j=v_j_6, i=v_i_6, total=v_total_1, q1_back=v_q1_back_4, q2_front=v_q2_front_1} OutVars{q1_front=v_q1_front_1, N=v_N_5, q2_back=v_q2_back_4, j=v_j_6, i=v_i_6, total=v_total_1, q1_back=v_q1_back_4, q2_front=v_q2_front_1} AuxVars[] AssignedVars[] 1269#[L73]don't care [106] L73-->L24: Formula: (= v_thread1Thread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_thidvar0] 1459#[L73-1, L24]don't care [109] L73-1-->L36: Formula: (and (= 2 v_thread2Thread1of1ForFork1_thidvar1_2) (= 2 v_thread2Thread1of1ForFork1_thidvar0_2)) InVars {} OutVars{thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_2, thread2Thread1of1ForFork1_thidvar1=v_thread2Thread1of1ForFork1_thidvar1_2} AuxVars[] AssignedVars[thread2Thread1of1ForFork1_thidvar0, thread2Thread1of1ForFork1_thidvar1] 953#[L36, L74, L24]don't care [2023-10-12 17:13:51,289 INFO L750 eck$LassoCheckResult]: Loop: 953#[L36, L74, L24]don't care [121] L36-->L37-1: Formula: (and (= (+ (select v_q2_9 v_q2_back_15) (select v_f_7 v_j_13)) 0) (< v_j_13 v_N_12) (= v_q2_back_14 (+ v_q2_back_15 1))) InVars {q2=v_q2_9, N=v_N_12, q2_back=v_q2_back_15, j=v_j_13, f=v_f_7} OutVars{q2=v_q2_9, N=v_N_12, q2_back=v_q2_back_14, j=v_j_13, f=v_f_7} AuxVars[] AssignedVars[q2_back] 945#[L74, L37-1, L24]don't care [95] L37-1-->L36: Formula: (= v_j_4 (+ v_j_5 1)) InVars {j=v_j_5} OutVars{j=v_j_4} AuxVars[] AssignedVars[j] 953#[L36, L74, L24]don't care [2023-10-12 17:13:51,292 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:13:51,293 INFO L85 PathProgramCache]: Analyzing trace with hash 111027, now seen corresponding path program 1 times [2023-10-12 17:13:51,293 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:13:51,294 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1609090720] [2023-10-12 17:13:51,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:13:51,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:13:51,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:13:51,307 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:13:51,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:13:51,320 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:13:51,321 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:13:51,321 INFO L85 PathProgramCache]: Analyzing trace with hash 4807, now seen corresponding path program 1 times [2023-10-12 17:13:51,321 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:13:51,321 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1487302446] [2023-10-12 17:13:51,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:13:51,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:13:51,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:13:51,327 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:13:51,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:13:51,336 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:13:51,337 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:13:51,337 INFO L85 PathProgramCache]: Analyzing trace with hash 106700793, now seen corresponding path program 1 times [2023-10-12 17:13:51,337 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:13:51,337 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [969776048] [2023-10-12 17:13:51,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:13:51,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:13:51,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:13:51,344 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:13:51,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:13:51,370 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:13:51,458 INFO L210 LassoAnalysis]: Preferences: [2023-10-12 17:13:51,458 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-10-12 17:13:51,458 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-10-12 17:13:51,458 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-10-12 17:13:51,458 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-10-12 17:13:51,458 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:13:51,458 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-10-12 17:13:51,458 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-10-12 17:13:51,459 INFO L133 ssoRankerPreferences]: Filename of dumped script: buffer-series-array.wvr.bpl_BEv2_Iteration2_Lasso [2023-10-12 17:13:51,459 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-10-12 17:13:51,459 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-10-12 17:13:51,461 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-10-12 17:13:51,464 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-10-12 17:13:51,466 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-10-12 17:13:51,469 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-10-12 17:13:51,489 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-10-12 17:13:51,491 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-10-12 17:13:51,494 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-10-12 17:13:51,590 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-10-12 17:13:51,590 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-10-12 17:13:51,592 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:13:51,592 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:13:51,593 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-10-12 17:13:51,612 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-10-12 17:13:51,619 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:13:51,619 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:13:51,619 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:13:51,619 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:13:51,622 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:13:51,623 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:13:51,628 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2023-10-12 17:13:51,639 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:13:51,642 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2023-10-12 17:13:51,642 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:13:51,642 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:13:51,685 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-10-12 17:13:51,687 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2023-10-12 17:13:51,688 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-10-12 17:13:51,694 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:13:51,695 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:13:51,695 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:13:51,695 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:13:51,697 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:13:51,697 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:13:51,708 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:13:51,711 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2023-10-12 17:13:51,713 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:13:51,713 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:13:51,714 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-10-12 17:13:51,715 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2023-10-12 17:13:51,717 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-10-12 17:13:51,723 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:13:51,723 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:13:51,723 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:13:51,723 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:13:51,725 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:13:51,725 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:13:51,754 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:13:51,761 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2023-10-12 17:13:51,761 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:13:51,761 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:13:51,762 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-10-12 17:13:51,764 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2023-10-12 17:13:51,767 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-10-12 17:13:51,774 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:13:51,774 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-10-12 17:13:51,774 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:13:51,775 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:13:51,775 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:13:51,775 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-10-12 17:13:51,775 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-10-12 17:13:51,800 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:13:51,808 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2023-10-12 17:13:51,809 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:13:51,809 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:13:51,811 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-10-12 17:13:51,824 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-10-12 17:13:51,832 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:13:51,833 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:13:51,833 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:13:51,833 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:13:51,841 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:13:51,841 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:13:51,848 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2023-10-12 17:13:51,861 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-10-12 17:13:51,869 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2023-10-12 17:13:51,869 INFO L444 ModelExtractionUtils]: 3 out of 10 variables were initially zero. Simplification set additionally 4 variables to zero. [2023-10-12 17:13:51,870 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:13:51,870 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:13:51,873 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 17:13:51,874 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 17:13:51,876 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-10-12 17:13:51,894 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-10-12 17:13:51,894 INFO L513 LassoAnalysis]: Proved termination. [2023-10-12 17:13:51,894 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(j, N) = -1*j + 1*N Supporting invariants [] [2023-10-12 17:13:51,903 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2023-10-12 17:13:51,904 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-10-12 17:13:51,918 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:13:51,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-10-12 17:13:51,927 INFO L262 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 2 conjunts are in the unsatisfiable core [2023-10-12 17:13:51,927 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-10-12 17:13:51,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-10-12 17:13:51,938 INFO L262 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 4 conjunts are in the unsatisfiable core [2023-10-12 17:13:51,938 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-10-12 17:13:51,950 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-10-12 17:13:51,951 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 17:13:51,951 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 271 states and 1169 transitions. cyclomatic complexity: 956 Second operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-10-12 17:13:52,037 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 271 states and 1169 transitions. cyclomatic complexity: 956. Second operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 954 states and 4146 transitions. Complement of second has 7 states. [2023-10-12 17:13:52,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2023-10-12 17:13:52,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-10-12 17:13:52,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 60 transitions. [2023-10-12 17:13:52,038 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 60 transitions. Stem has 3 letters. Loop has 2 letters. [2023-10-12 17:13:52,038 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:13:52,039 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 60 transitions. Stem has 5 letters. Loop has 2 letters. [2023-10-12 17:13:52,039 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:13:52,039 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 60 transitions. Stem has 3 letters. Loop has 4 letters. [2023-10-12 17:13:52,039 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:13:52,039 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 954 states and 4146 transitions. [2023-10-12 17:13:52,054 INFO L131 ngComponentsAnalysis]: Automaton has 49 accepting balls. 124 [2023-10-12 17:13:52,064 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 954 states to 697 states and 3068 transitions. [2023-10-12 17:13:52,064 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 231 [2023-10-12 17:13:52,066 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 362 [2023-10-12 17:13:52,066 INFO L73 IsDeterministic]: Start isDeterministic. Operand 697 states and 3068 transitions. [2023-10-12 17:13:52,066 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-10-12 17:13:52,066 INFO L219 hiAutomatonCegarLoop]: Abstraction has 697 states and 3068 transitions. [2023-10-12 17:13:52,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 697 states and 3068 transitions. [2023-10-12 17:13:52,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 697 to 566. [2023-10-12 17:13:52,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 566 states, 566 states have (on average 4.669611307420495) internal successors, (2643), 565 states have internal predecessors, (2643), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-10-12 17:13:52,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 566 states to 566 states and 2643 transitions. [2023-10-12 17:13:52,096 INFO L241 hiAutomatonCegarLoop]: Abstraction has 566 states and 2643 transitions. [2023-10-12 17:13:52,096 INFO L430 stractBuchiCegarLoop]: Abstraction has 566 states and 2643 transitions. [2023-10-12 17:13:52,096 INFO L337 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2023-10-12 17:13:52,096 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 566 states and 2643 transitions. [2023-10-12 17:13:52,101 INFO L131 ngComponentsAnalysis]: Automaton has 49 accepting balls. 124 [2023-10-12 17:13:52,102 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-10-12 17:13:52,102 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-10-12 17:13:52,102 INFO L149 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2023-10-12 17:13:52,102 INFO L150 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-10-12 17:13:52,102 INFO L748 eck$LassoCheckResult]: Stem: 2827#[$Ultimate##0]don't care [81] $Ultimate##0-->L73: Formula: (and (= v_i_6 0) (= v_q2_front_1 v_q2_back_4) (= v_q1_back_4 v_q1_front_1) (= v_j_6 0) (<= 0 v_N_5) (= v_total_1 0)) InVars {q1_front=v_q1_front_1, N=v_N_5, q2_back=v_q2_back_4, j=v_j_6, i=v_i_6, total=v_total_1, q1_back=v_q1_back_4, q2_front=v_q2_front_1} OutVars{q1_front=v_q1_front_1, N=v_N_5, q2_back=v_q2_back_4, j=v_j_6, i=v_i_6, total=v_total_1, q1_back=v_q1_back_4, q2_front=v_q2_front_1} AuxVars[] AssignedVars[] 2829#[L73]don't care [106] L73-->L24: Formula: (= v_thread1Thread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_thidvar0] 3105#[L73-1, L24]don't care [109] L73-1-->L36: Formula: (and (= 2 v_thread2Thread1of1ForFork1_thidvar1_2) (= 2 v_thread2Thread1of1ForFork1_thidvar0_2)) InVars {} OutVars{thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_2, thread2Thread1of1ForFork1_thidvar1=v_thread2Thread1of1ForFork1_thidvar1_2} AuxVars[] AssignedVars[thread2Thread1of1ForFork1_thidvar0, thread2Thread1of1ForFork1_thidvar1] 3021#[L36, L74, L24]don't care [112] L74-->L49-1: Formula: (and (= 3 v_thread3Thread1of1ForFork2_thidvar0_2) (= 3 v_thread3Thread1of1ForFork2_thidvar1_2) (= 3 v_thread3Thread1of1ForFork2_thidvar2_2)) InVars {} OutVars{thread3Thread1of1ForFork2_thidvar2=v_thread3Thread1of1ForFork2_thidvar2_2, thread3Thread1of1ForFork2_thidvar1=v_thread3Thread1of1ForFork2_thidvar1_2, thread3Thread1of1ForFork2_thidvar0=v_thread3Thread1of1ForFork2_thidvar0_2} AuxVars[] AssignedVars[thread3Thread1of1ForFork2_thidvar2, thread3Thread1of1ForFork2_thidvar1, thread3Thread1of1ForFork2_thidvar0] 2691#[L24, L75, L36, L49-1]don't care [2023-10-12 17:13:52,103 INFO L750 eck$LassoCheckResult]: Loop: 2691#[L24, L75, L36, L49-1]don't care [97] L49-1-->L49: Formula: (or (< v_i_7 v_N_6) (< v_q1_front_2 v_q1_back_5)) InVars {q1_front=v_q1_front_2, i=v_i_7, N=v_N_6, q1_back=v_q1_back_5} OutVars{q1_front=v_q1_front_2, i=v_i_7, N=v_N_6, q1_back=v_q1_back_5} AuxVars[] AssignedVars[] 2687#[L24, L49, L75, L36]don't care [99] L49-->L49-1: Formula: (and (= (+ v_q1_front_11 1) v_q1_front_10) (= (+ (select v_q1_7 v_q1_front_11) v_total_16) v_total_15) (< v_q1_front_11 v_q1_back_14)) InVars {q1_front=v_q1_front_11, q1=v_q1_7, total=v_total_16, q1_back=v_q1_back_14} OutVars{q1_front=v_q1_front_10, q1=v_q1_7, total=v_total_15, q1_back=v_q1_back_14} AuxVars[] AssignedVars[q1_front, total] 2691#[L24, L75, L36, L49-1]don't care [2023-10-12 17:13:52,103 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:13:52,103 INFO L85 PathProgramCache]: Analyzing trace with hash 3441949, now seen corresponding path program 1 times [2023-10-12 17:13:52,103 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:13:52,103 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [472834438] [2023-10-12 17:13:52,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:13:52,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:13:52,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:13:52,108 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:13:52,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:13:52,112 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:13:52,112 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:13:52,112 INFO L85 PathProgramCache]: Analyzing trace with hash 4067, now seen corresponding path program 1 times [2023-10-12 17:13:52,113 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:13:52,113 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [211097618] [2023-10-12 17:13:52,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:13:52,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:13:52,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:13:52,117 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:13:52,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:13:52,120 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:13:52,120 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:13:52,120 INFO L85 PathProgramCache]: Analyzing trace with hash -987251201, now seen corresponding path program 1 times [2023-10-12 17:13:52,120 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:13:52,120 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [521427926] [2023-10-12 17:13:52,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:13:52,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:13:52,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-10-12 17:13:52,174 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-10-12 17:13:52,174 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-10-12 17:13:52,174 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [521427926] [2023-10-12 17:13:52,175 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [521427926] provided 1 perfect and 0 imperfect interpolant sequences [2023-10-12 17:13:52,175 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-10-12 17:13:52,175 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-10-12 17:13:52,175 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1541345668] [2023-10-12 17:13:52,176 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-10-12 17:13:52,200 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-10-12 17:13:52,202 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-10-12 17:13:52,202 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-10-12 17:13:52,203 INFO L87 Difference]: Start difference. First operand 566 states and 2643 transitions. cyclomatic complexity: 2172 Second operand has 3 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 17:13:52,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-10-12 17:13:52,252 INFO L93 Difference]: Finished difference Result 839 states and 3757 transitions. [2023-10-12 17:13:52,253 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 839 states and 3757 transitions. [2023-10-12 17:13:52,264 INFO L131 ngComponentsAnalysis]: Automaton has 80 accepting balls. 186 [2023-10-12 17:13:52,275 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 839 states to 813 states and 3662 transitions. [2023-10-12 17:13:52,276 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 325 [2023-10-12 17:13:52,277 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 325 [2023-10-12 17:13:52,277 INFO L73 IsDeterministic]: Start isDeterministic. Operand 813 states and 3662 transitions. [2023-10-12 17:13:52,277 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-10-12 17:13:52,277 INFO L219 hiAutomatonCegarLoop]: Abstraction has 813 states and 3662 transitions. [2023-10-12 17:13:52,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 813 states and 3662 transitions. [2023-10-12 17:13:52,296 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 813 to 743. [2023-10-12 17:13:52,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 743 states, 743 states have (on average 4.60699865410498) internal successors, (3423), 742 states have internal predecessors, (3423), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-10-12 17:13:52,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 743 states to 743 states and 3423 transitions. [2023-10-12 17:13:52,303 INFO L241 hiAutomatonCegarLoop]: Abstraction has 743 states and 3423 transitions. [2023-10-12 17:13:52,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-10-12 17:13:52,304 INFO L430 stractBuchiCegarLoop]: Abstraction has 743 states and 3423 transitions. [2023-10-12 17:13:52,304 INFO L337 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2023-10-12 17:13:52,304 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 743 states and 3423 transitions. [2023-10-12 17:13:52,311 INFO L131 ngComponentsAnalysis]: Automaton has 69 accepting balls. 164 [2023-10-12 17:13:52,311 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-10-12 17:13:52,311 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-10-12 17:13:52,312 INFO L149 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2023-10-12 17:13:52,312 INFO L150 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-10-12 17:13:52,312 INFO L748 eck$LassoCheckResult]: Stem: 4786#[$Ultimate##0]don't care [81] $Ultimate##0-->L73: Formula: (and (= v_i_6 0) (= v_q2_front_1 v_q2_back_4) (= v_q1_back_4 v_q1_front_1) (= v_j_6 0) (<= 0 v_N_5) (= v_total_1 0)) InVars {q1_front=v_q1_front_1, N=v_N_5, q2_back=v_q2_back_4, j=v_j_6, i=v_i_6, total=v_total_1, q1_back=v_q1_back_4, q2_front=v_q2_front_1} OutVars{q1_front=v_q1_front_1, N=v_N_5, q2_back=v_q2_back_4, j=v_j_6, i=v_i_6, total=v_total_1, q1_back=v_q1_back_4, q2_front=v_q2_front_1} AuxVars[] AssignedVars[] 4788#[L73]don't care [106] L73-->L24: Formula: (= v_thread1Thread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_thidvar0] 5170#[L73-1, L24]don't care [109] L73-1-->L36: Formula: (and (= 2 v_thread2Thread1of1ForFork1_thidvar1_2) (= 2 v_thread2Thread1of1ForFork1_thidvar0_2)) InVars {} OutVars{thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_2, thread2Thread1of1ForFork1_thidvar1=v_thread2Thread1of1ForFork1_thidvar1_2} AuxVars[] AssignedVars[thread2Thread1of1ForFork1_thidvar0, thread2Thread1of1ForFork1_thidvar1] 5034#[L36, L74, L24]don't care [112] L74-->L49-1: Formula: (and (= 3 v_thread3Thread1of1ForFork2_thidvar0_2) (= 3 v_thread3Thread1of1ForFork2_thidvar1_2) (= 3 v_thread3Thread1of1ForFork2_thidvar2_2)) InVars {} OutVars{thread3Thread1of1ForFork2_thidvar2=v_thread3Thread1of1ForFork2_thidvar2_2, thread3Thread1of1ForFork2_thidvar1=v_thread3Thread1of1ForFork2_thidvar1_2, thread3Thread1of1ForFork2_thidvar0=v_thread3Thread1of1ForFork2_thidvar0_2} AuxVars[] AssignedVars[thread3Thread1of1ForFork2_thidvar2, thread3Thread1of1ForFork2_thidvar1, thread3Thread1of1ForFork2_thidvar0] 5036#[L24, L75, L36, L49-1]don't care [115] L75-->L61-1: Formula: (and (= v_thread4Thread1of1ForFork3_thidvar2_2 4) (= v_thread4Thread1of1ForFork3_thidvar3_2 4) (= v_thread4Thread1of1ForFork3_thidvar0_2 4) (= v_thread4Thread1of1ForFork3_thidvar1_2 4)) InVars {} OutVars{thread4Thread1of1ForFork3_thidvar1=v_thread4Thread1of1ForFork3_thidvar1_2, thread4Thread1of1ForFork3_thidvar0=v_thread4Thread1of1ForFork3_thidvar0_2, thread4Thread1of1ForFork3_thidvar3=v_thread4Thread1of1ForFork3_thidvar3_2, thread4Thread1of1ForFork3_thidvar2=v_thread4Thread1of1ForFork3_thidvar2_2} AuxVars[] AssignedVars[thread4Thread1of1ForFork3_thidvar1, thread4Thread1of1ForFork3_thidvar0, thread4Thread1of1ForFork3_thidvar3, thread4Thread1of1ForFork3_thidvar2] 4734#[L36, L76, L49-1, L61-1, L24]don't care [2023-10-12 17:13:52,312 INFO L750 eck$LassoCheckResult]: Loop: 4734#[L36, L76, L49-1, L61-1, L24]don't care [101] L61-1-->L61: Formula: (or (< v_q2_front_2 v_q2_back_5) (< v_j_7 v_N_8)) InVars {N=v_N_8, q2_front=v_q2_front_2, j=v_j_7, q2_back=v_q2_back_5} OutVars{N=v_N_8, q2_front=v_q2_front_2, j=v_j_7, q2_back=v_q2_back_5} AuxVars[] AssignedVars[] 4730#[L36, L76, L49-1, L61, L24]don't care [103] L61-->L61-1: Formula: (and (= (+ v_q2_front_13 1) v_q2_front_12) (= (+ (select v_q2_7 v_q2_front_13) v_total_20) v_total_19) (< v_q2_front_13 v_q2_back_12)) InVars {q2=v_q2_7, total=v_total_20, q2_front=v_q2_front_13, q2_back=v_q2_back_12} OutVars{q2=v_q2_7, total=v_total_19, q2_front=v_q2_front_12, q2_back=v_q2_back_12} AuxVars[] AssignedVars[total, q2_front] 4734#[L36, L76, L49-1, L61-1, L24]don't care [2023-10-12 17:13:52,312 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:13:52,313 INFO L85 PathProgramCache]: Analyzing trace with hash 106700534, now seen corresponding path program 1 times [2023-10-12 17:13:52,313 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:13:52,313 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [792394730] [2023-10-12 17:13:52,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:13:52,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:13:52,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:13:52,318 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:13:52,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:13:52,323 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:13:52,323 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:13:52,323 INFO L85 PathProgramCache]: Analyzing trace with hash 4195, now seen corresponding path program 1 times [2023-10-12 17:13:52,324 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:13:52,324 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1460477394] [2023-10-12 17:13:52,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:13:52,324 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:13:52,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:13:52,328 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:13:52,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:13:52,333 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:13:52,333 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:13:52,333 INFO L85 PathProgramCache]: Analyzing trace with hash -539998696, now seen corresponding path program 1 times [2023-10-12 17:13:52,333 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:13:52,334 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1343976689] [2023-10-12 17:13:52,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:13:52,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:13:52,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-10-12 17:13:52,368 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-10-12 17:13:52,368 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-10-12 17:13:52,368 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1343976689] [2023-10-12 17:13:52,369 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1343976689] provided 1 perfect and 0 imperfect interpolant sequences [2023-10-12 17:13:52,369 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-10-12 17:13:52,369 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-10-12 17:13:52,369 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1149905100] [2023-10-12 17:13:52,369 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-10-12 17:13:52,397 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-10-12 17:13:52,398 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-10-12 17:13:52,398 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-10-12 17:13:52,398 INFO L87 Difference]: Start difference. First operand 743 states and 3423 transitions. cyclomatic complexity: 2822 Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 2 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 17:13:52,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-10-12 17:13:52,447 INFO L93 Difference]: Finished difference Result 1115 states and 4878 transitions. [2023-10-12 17:13:52,447 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1115 states and 4878 transitions. [2023-10-12 17:13:52,465 INFO L131 ngComponentsAnalysis]: Automaton has 102 accepting balls. 230 [2023-10-12 17:13:52,520 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 17:13:52,535 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1115 states to 1076 states and 4736 transitions. [2023-10-12 17:13:52,535 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 443 [2023-10-12 17:13:52,537 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 443 [2023-10-12 17:13:52,537 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1076 states and 4736 transitions. [2023-10-12 17:13:52,537 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-10-12 17:13:52,537 INFO L219 hiAutomatonCegarLoop]: Abstraction has 1076 states and 4736 transitions. [2023-10-12 17:13:52,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1076 states and 4736 transitions. [2023-10-12 17:13:52,550 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2023-10-12 17:13:52,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1076 to 1014. [2023-10-12 17:13:52,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1014 states, 1014 states have (on average 4.477317554240631) internal successors, (4540), 1013 states have internal predecessors, (4540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-10-12 17:13:52,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1014 states to 1014 states and 4540 transitions. [2023-10-12 17:13:52,594 INFO L241 hiAutomatonCegarLoop]: Abstraction has 1014 states and 4540 transitions. [2023-10-12 17:13:52,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-10-12 17:13:52,595 INFO L430 stractBuchiCegarLoop]: Abstraction has 1014 states and 4540 transitions. [2023-10-12 17:13:52,595 INFO L337 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2023-10-12 17:13:52,595 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 1014 states and 4540 transitions. [2023-10-12 17:13:52,604 INFO L131 ngComponentsAnalysis]: Automaton has 93 accepting balls. 212 [2023-10-12 17:13:52,604 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-10-12 17:13:52,604 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-10-12 17:13:52,604 INFO L149 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2023-10-12 17:13:52,604 INFO L150 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-10-12 17:13:52,605 INFO L748 eck$LassoCheckResult]: Stem: 7409#[$Ultimate##0]don't care [81] $Ultimate##0-->L73: Formula: (and (= v_i_6 0) (= v_q2_front_1 v_q2_back_4) (= v_q1_back_4 v_q1_front_1) (= v_j_6 0) (<= 0 v_N_5) (= v_total_1 0)) InVars {q1_front=v_q1_front_1, N=v_N_5, q2_back=v_q2_back_4, j=v_j_6, i=v_i_6, total=v_total_1, q1_back=v_q1_back_4, q2_front=v_q2_front_1} OutVars{q1_front=v_q1_front_1, N=v_N_5, q2_back=v_q2_back_4, j=v_j_6, i=v_i_6, total=v_total_1, q1_back=v_q1_back_4, q2_front=v_q2_front_1} AuxVars[] AssignedVars[] 7411#[L73]don't care [106] L73-->L24: Formula: (= v_thread1Thread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_thidvar0] 7855#[L73-1, L24]don't care [109] L73-1-->L36: Formula: (and (= 2 v_thread2Thread1of1ForFork1_thidvar1_2) (= 2 v_thread2Thread1of1ForFork1_thidvar0_2)) InVars {} OutVars{thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_2, thread2Thread1of1ForFork1_thidvar1=v_thread2Thread1of1ForFork1_thidvar1_2} AuxVars[] AssignedVars[thread2Thread1of1ForFork1_thidvar0, thread2Thread1of1ForFork1_thidvar1] 7953#[L36, L74, L24]don't care [112] L74-->L49-1: Formula: (and (= 3 v_thread3Thread1of1ForFork2_thidvar0_2) (= 3 v_thread3Thread1of1ForFork2_thidvar1_2) (= 3 v_thread3Thread1of1ForFork2_thidvar2_2)) InVars {} OutVars{thread3Thread1of1ForFork2_thidvar2=v_thread3Thread1of1ForFork2_thidvar2_2, thread3Thread1of1ForFork2_thidvar1=v_thread3Thread1of1ForFork2_thidvar1_2, thread3Thread1of1ForFork2_thidvar0=v_thread3Thread1of1ForFork2_thidvar0_2} AuxVars[] AssignedVars[thread3Thread1of1ForFork2_thidvar2, thread3Thread1of1ForFork2_thidvar1, thread3Thread1of1ForFork2_thidvar0] 8445#[L24, L75, L36, L49-1]don't care [126] L24-->L25-1: Formula: (and (= (select v_q1_17 v_q1_back_35) (select v_f_15 v_i_25)) (= (+ 1 v_q1_back_35) v_q1_back_34) (< v_i_25 v_N_24)) InVars {q1=v_q1_17, N=v_N_24, i=v_i_25, f=v_f_15, q1_back=v_q1_back_35} OutVars{q1=v_q1_17, N=v_N_24, i=v_i_25, f=v_f_15, q1_back=v_q1_back_34} AuxVars[] AssignedVars[q1_back] 8443#[L75, L36, L25-1, L49-1]don't care [2023-10-12 17:13:52,605 INFO L750 eck$LassoCheckResult]: Loop: 8443#[L75, L36, L25-1, L49-1]don't care [97] L49-1-->L49: Formula: (or (< v_i_7 v_N_6) (< v_q1_front_2 v_q1_back_5)) InVars {q1_front=v_q1_front_2, i=v_i_7, N=v_N_6, q1_back=v_q1_back_5} OutVars{q1_front=v_q1_front_2, i=v_i_7, N=v_N_6, q1_back=v_q1_back_5} AuxVars[] AssignedVars[] 8637#[L49, L75, L36, L25-1]don't care [99] L49-->L49-1: Formula: (and (= (+ v_q1_front_11 1) v_q1_front_10) (= (+ (select v_q1_7 v_q1_front_11) v_total_16) v_total_15) (< v_q1_front_11 v_q1_back_14)) InVars {q1_front=v_q1_front_11, q1=v_q1_7, total=v_total_16, q1_back=v_q1_back_14} OutVars{q1_front=v_q1_front_10, q1=v_q1_7, total=v_total_15, q1_back=v_q1_back_14} AuxVars[] AssignedVars[q1_front, total] 8443#[L75, L36, L25-1, L49-1]don't care [2023-10-12 17:13:52,605 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:13:52,605 INFO L85 PathProgramCache]: Analyzing trace with hash 106700545, now seen corresponding path program 1 times [2023-10-12 17:13:52,605 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:13:52,605 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [201178502] [2023-10-12 17:13:52,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:13:52,606 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:13:52,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:13:52,610 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:13:52,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:13:52,622 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:13:52,622 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:13:52,622 INFO L85 PathProgramCache]: Analyzing trace with hash 4067, now seen corresponding path program 2 times [2023-10-12 17:13:52,622 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:13:52,623 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [67079328] [2023-10-12 17:13:52,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:13:52,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:13:52,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:13:52,626 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:13:52,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:13:52,629 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:13:52,629 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:13:52,629 INFO L85 PathProgramCache]: Analyzing trace with hash -539988253, now seen corresponding path program 1 times [2023-10-12 17:13:52,629 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:13:52,629 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1539678059] [2023-10-12 17:13:52,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:13:52,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:13:52,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:13:52,636 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:13:52,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:13:52,642 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:13:52,792 INFO L210 LassoAnalysis]: Preferences: [2023-10-12 17:13:52,793 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-10-12 17:13:52,794 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-10-12 17:13:52,794 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-10-12 17:13:52,794 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-10-12 17:13:52,794 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:13:52,794 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-10-12 17:13:52,794 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-10-12 17:13:52,794 INFO L133 ssoRankerPreferences]: Filename of dumped script: buffer-series-array.wvr.bpl_BEv2_Iteration5_Lasso [2023-10-12 17:13:52,794 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-10-12 17:13:52,794 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-10-12 17:13:52,795 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-10-12 17:13:52,799 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-10-12 17:13:52,801 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-10-12 17:13:52,803 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-10-12 17:13:52,806 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-10-12 17:13:52,808 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-10-12 17:13:52,810 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-10-12 17:13:52,813 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-10-12 17:13:52,815 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-10-12 17:13:52,818 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-10-12 17:13:52,820 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-10-12 17:13:52,944 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-10-12 17:13:52,944 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-10-12 17:13:52,944 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:13:52,944 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:13:52,945 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 17:13:52,960 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 17:13:52,962 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-10-12 17:13:52,969 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:13:52,970 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:13:52,970 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:13:52,970 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:13:52,973 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:13:52,973 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:13:52,985 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:13:52,993 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 17:13:52,993 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:13:52,993 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:13:52,994 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 17:13:52,997 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 17:13:52,999 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-10-12 17:13:53,006 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:13:53,007 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:13:53,007 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:13:53,007 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:13:53,008 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:13:53,008 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:13:53,033 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:13:53,039 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 17:13:53,039 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:13:53,039 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:13:53,040 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 17:13:53,047 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-10-12 17:13:53,055 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:13:53,055 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:13:53,055 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:13:53,056 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:13:53,057 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:13:53,057 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:13:53,060 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 17:13:53,069 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:13:53,077 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 17:13:53,077 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:13:53,077 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:13:53,078 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 17:13:53,082 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 17:13:53,082 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-10-12 17:13:53,088 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:13:53,088 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:13:53,088 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:13:53,088 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:13:53,090 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:13:53,090 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:13:53,104 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:13:53,109 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 17:13:53,110 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:13:53,110 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:13:53,111 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 17:13:53,112 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 17:13:53,114 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-10-12 17:13:53,120 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:13:53,120 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:13:53,120 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:13:53,121 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:13:53,122 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:13:53,122 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:13:53,132 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:13:53,136 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 17:13:53,136 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:13:53,136 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:13:53,137 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 17:13:53,139 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 17:13:53,141 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-10-12 17:13:53,148 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:13:53,148 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:13:53,149 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:13:53,149 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:13:53,150 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:13:53,150 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:13:53,164 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:13:53,171 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 17:13:53,171 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:13:53,171 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:13:53,172 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-10-12 17:13:53,179 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-10-12 17:13:53,185 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2023-10-12 17:13:53,186 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:13:53,186 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:13:53,186 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:13:53,186 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:13:53,188 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:13:53,188 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:13:53,203 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:13:53,209 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2023-10-12 17:13:53,209 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:13:53,209 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:13:53,211 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-10-12 17:13:53,222 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-10-12 17:13:53,230 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:13:53,230 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:13:53,230 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:13:53,230 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:13:53,232 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:13:53,232 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:13:53,236 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2023-10-12 17:13:53,244 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:13:53,251 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2023-10-12 17:13:53,251 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:13:53,251 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:13:53,252 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-10-12 17:13:53,255 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2023-10-12 17:13:53,257 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-10-12 17:13:53,264 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:13:53,265 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:13:53,265 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:13:53,265 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:13:53,266 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:13:53,266 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:13:53,280 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:13:53,287 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2023-10-12 17:13:53,287 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:13:53,287 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:13:53,288 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-10-12 17:13:53,299 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2023-10-12 17:13:53,300 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-10-12 17:13:53,307 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:13:53,307 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:13:53,307 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:13:53,307 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:13:53,308 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:13:53,309 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:13:53,323 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:13:53,327 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2023-10-12 17:13:53,328 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:13:53,328 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:13:53,329 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-10-12 17:13:53,332 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2023-10-12 17:13:53,333 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-10-12 17:13:53,339 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:13:53,339 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:13:53,339 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:13:53,339 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:13:53,343 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:13:53,343 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:13:53,356 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:13:53,363 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2023-10-12 17:13:53,364 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:13:53,364 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:13:53,365 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-10-12 17:13:53,365 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2023-10-12 17:13:53,369 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-10-12 17:13:53,375 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:13:53,375 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:13:53,375 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:13:53,375 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:13:53,378 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:13:53,378 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:13:53,405 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-10-12 17:13:53,413 INFO L443 ModelExtractionUtils]: Simplification made 7 calls to the SMT solver. [2023-10-12 17:13:53,413 INFO L444 ModelExtractionUtils]: 0 out of 10 variables were initially zero. Simplification set additionally 7 variables to zero. [2023-10-12 17:13:53,413 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:13:53,414 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:13:53,417 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-10-12 17:13:53,425 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-10-12 17:13:53,433 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2023-10-12 17:13:53,446 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-10-12 17:13:53,447 INFO L513 LassoAnalysis]: Proved termination. [2023-10-12 17:13:53,447 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(q1_back, q1_front) = 1*q1_back - 1*q1_front Supporting invariants [] [2023-10-12 17:13:53,449 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2023-10-12 17:13:53,450 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-10-12 17:13:53,464 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:13:53,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-10-12 17:13:53,478 INFO L262 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 2 conjunts are in the unsatisfiable core [2023-10-12 17:13:53,479 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-10-12 17:13:53,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-10-12 17:13:53,489 WARN L260 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core [2023-10-12 17:13:53,490 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-10-12 17:13:53,492 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-10-12 17:13:53,492 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2023-10-12 17:13:53,493 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 1014 states and 4540 transitions. cyclomatic complexity: 3721 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 17:13:53,595 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 1014 states and 4540 transitions. cyclomatic complexity: 3721. 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 3399 states and 14910 transitions. Complement of second has 5 states. [2023-10-12 17:13:53,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2023-10-12 17:13:53,596 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 17:13:53,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 51 transitions. [2023-10-12 17:13:53,596 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 51 transitions. Stem has 5 letters. Loop has 2 letters. [2023-10-12 17:13:53,597 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:13:53,597 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 51 transitions. Stem has 7 letters. Loop has 2 letters. [2023-10-12 17:13:53,597 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:13:53,597 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 51 transitions. Stem has 5 letters. Loop has 4 letters. [2023-10-12 17:13:53,597 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:13:53,597 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 3399 states and 14910 transitions. [2023-10-12 17:13:53,640 INFO L131 ngComponentsAnalysis]: Automaton has 144 accepting balls. 314 [2023-10-12 17:13:53,676 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 3399 states to 2922 states and 12779 transitions. [2023-10-12 17:13:53,676 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 885 [2023-10-12 17:13:53,679 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 1051 [2023-10-12 17:13:53,680 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2922 states and 12779 transitions. [2023-10-12 17:13:53,680 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-10-12 17:13:53,680 INFO L219 hiAutomatonCegarLoop]: Abstraction has 2922 states and 12779 transitions. [2023-10-12 17:13:53,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2922 states and 12779 transitions. [2023-10-12 17:13:53,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2922 to 2242. [2023-10-12 17:13:53,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2242 states, 2242 states have (on average 4.684656556645852) internal successors, (10503), 2241 states have internal predecessors, (10503), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-10-12 17:13:53,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2242 states to 2242 states and 10503 transitions. [2023-10-12 17:13:53,765 INFO L241 hiAutomatonCegarLoop]: Abstraction has 2242 states and 10503 transitions. [2023-10-12 17:13:53,765 INFO L430 stractBuchiCegarLoop]: Abstraction has 2242 states and 10503 transitions. [2023-10-12 17:13:53,765 INFO L337 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2023-10-12 17:13:53,765 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 2242 states and 10503 transitions. [2023-10-12 17:13:53,784 INFO L131 ngComponentsAnalysis]: Automaton has 105 accepting balls. 236 [2023-10-12 17:13:53,785 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-10-12 17:13:53,785 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-10-12 17:13:53,785 INFO L149 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2023-10-12 17:13:53,785 INFO L150 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-10-12 17:13:53,786 INFO L748 eck$LassoCheckResult]: Stem: 12850#[$Ultimate##0]don't care [81] $Ultimate##0-->L73: Formula: (and (= v_i_6 0) (= v_q2_front_1 v_q2_back_4) (= v_q1_back_4 v_q1_front_1) (= v_j_6 0) (<= 0 v_N_5) (= v_total_1 0)) InVars {q1_front=v_q1_front_1, N=v_N_5, q2_back=v_q2_back_4, j=v_j_6, i=v_i_6, total=v_total_1, q1_back=v_q1_back_4, q2_front=v_q2_front_1} OutVars{q1_front=v_q1_front_1, N=v_N_5, q2_back=v_q2_back_4, j=v_j_6, i=v_i_6, total=v_total_1, q1_back=v_q1_back_4, q2_front=v_q2_front_1} AuxVars[] AssignedVars[] 12852#[L73]don't care [106] L73-->L24: Formula: (= v_thread1Thread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_thidvar0] 13326#[L73-1, L24]don't care [109] L73-1-->L36: Formula: (and (= 2 v_thread2Thread1of1ForFork1_thidvar1_2) (= 2 v_thread2Thread1of1ForFork1_thidvar0_2)) InVars {} OutVars{thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_2, thread2Thread1of1ForFork1_thidvar1=v_thread2Thread1of1ForFork1_thidvar1_2} AuxVars[] AssignedVars[thread2Thread1of1ForFork1_thidvar0, thread2Thread1of1ForFork1_thidvar1] 13414#[L36, L74, L24]don't care [112] L74-->L49-1: Formula: (and (= 3 v_thread3Thread1of1ForFork2_thidvar0_2) (= 3 v_thread3Thread1of1ForFork2_thidvar1_2) (= 3 v_thread3Thread1of1ForFork2_thidvar2_2)) InVars {} OutVars{thread3Thread1of1ForFork2_thidvar2=v_thread3Thread1of1ForFork2_thidvar2_2, thread3Thread1of1ForFork2_thidvar1=v_thread3Thread1of1ForFork2_thidvar1_2, thread3Thread1of1ForFork2_thidvar0=v_thread3Thread1of1ForFork2_thidvar0_2} AuxVars[] AssignedVars[thread3Thread1of1ForFork2_thidvar2, thread3Thread1of1ForFork2_thidvar1, thread3Thread1of1ForFork2_thidvar0] 13494#[L24, L75, L36, L49-1]don't care [115] L75-->L61-1: Formula: (and (= v_thread4Thread1of1ForFork3_thidvar2_2 4) (= v_thread4Thread1of1ForFork3_thidvar3_2 4) (= v_thread4Thread1of1ForFork3_thidvar0_2 4) (= v_thread4Thread1of1ForFork3_thidvar1_2 4)) InVars {} OutVars{thread4Thread1of1ForFork3_thidvar1=v_thread4Thread1of1ForFork3_thidvar1_2, thread4Thread1of1ForFork3_thidvar0=v_thread4Thread1of1ForFork3_thidvar0_2, thread4Thread1of1ForFork3_thidvar3=v_thread4Thread1of1ForFork3_thidvar3_2, thread4Thread1of1ForFork3_thidvar2=v_thread4Thread1of1ForFork3_thidvar2_2} AuxVars[] AssignedVars[thread4Thread1of1ForFork3_thidvar1, thread4Thread1of1ForFork3_thidvar0, thread4Thread1of1ForFork3_thidvar3, thread4Thread1of1ForFork3_thidvar2] 12824#[L36, L76, L49-1, L61-1, L24]don't care [121] L36-->L37-1: Formula: (and (= (+ (select v_q2_9 v_q2_back_15) (select v_f_7 v_j_13)) 0) (< v_j_13 v_N_12) (= v_q2_back_14 (+ v_q2_back_15 1))) InVars {q2=v_q2_9, N=v_N_12, q2_back=v_q2_back_15, j=v_j_13, f=v_f_7} OutVars{q2=v_q2_9, N=v_N_12, q2_back=v_q2_back_14, j=v_j_13, f=v_f_7} AuxVars[] AssignedVars[q2_back] 12828#[L37-1, L76, L49-1, L61-1, L24]don't care [2023-10-12 17:13:53,786 INFO L750 eck$LassoCheckResult]: Loop: 12828#[L37-1, L76, L49-1, L61-1, L24]don't care [101] L61-1-->L61: Formula: (or (< v_q2_front_2 v_q2_back_5) (< v_j_7 v_N_8)) InVars {N=v_N_8, q2_front=v_q2_front_2, j=v_j_7, q2_back=v_q2_back_5} OutVars{N=v_N_8, q2_front=v_q2_front_2, j=v_j_7, q2_back=v_q2_back_5} AuxVars[] AssignedVars[] 16352#[L37-1, L76, L49-1, L61, L24]don't care [103] L61-->L61-1: Formula: (and (= (+ v_q2_front_13 1) v_q2_front_12) (= (+ (select v_q2_7 v_q2_front_13) v_total_20) v_total_19) (< v_q2_front_13 v_q2_back_12)) InVars {q2=v_q2_7, total=v_total_20, q2_front=v_q2_front_13, q2_back=v_q2_back_12} OutVars{q2=v_q2_7, total=v_total_19, q2_front=v_q2_front_12, q2_back=v_q2_back_12} AuxVars[] AssignedVars[total, q2_front] 12828#[L37-1, L76, L49-1, L61-1, L24]don't care [2023-10-12 17:13:53,786 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:13:53,786 INFO L85 PathProgramCache]: Analyzing trace with hash -987250621, now seen corresponding path program 1 times [2023-10-12 17:13:53,786 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:13:53,787 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [685705548] [2023-10-12 17:13:53,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:13:53,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:13:53,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:13:53,798 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:13:53,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:13:53,812 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:13:53,813 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:13:53,813 INFO L85 PathProgramCache]: Analyzing trace with hash 4195, now seen corresponding path program 2 times [2023-10-12 17:13:53,813 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:13:53,813 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1698088293] [2023-10-12 17:13:53,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:13:53,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:13:53,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:13:53,819 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:13:53,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:13:53,822 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:13:53,824 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:13:53,824 INFO L85 PathProgramCache]: Analyzing trace with hash 439928869, now seen corresponding path program 1 times [2023-10-12 17:13:53,825 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:13:53,825 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [422440680] [2023-10-12 17:13:53,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:13:53,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:13:53,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:13:53,841 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:13:53,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:13:53,847 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:13:53,969 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2023-10-12 17:13:54,080 INFO L210 LassoAnalysis]: Preferences: [2023-10-12 17:13:54,081 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-10-12 17:13:54,081 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-10-12 17:13:54,081 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-10-12 17:13:54,081 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-10-12 17:13:54,081 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:13:54,081 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-10-12 17:13:54,081 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-10-12 17:13:54,081 INFO L133 ssoRankerPreferences]: Filename of dumped script: buffer-series-array.wvr.bpl_BEv2_Iteration6_Lasso [2023-10-12 17:13:54,081 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-10-12 17:13:54,081 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-10-12 17:13:54,083 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-10-12 17:13:54,086 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-10-12 17:13:54,088 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-10-12 17:13:54,092 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-10-12 17:13:54,098 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-10-12 17:13:54,104 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-10-12 17:13:54,108 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-10-12 17:13:54,111 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-10-12 17:13:54,113 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-10-12 17:13:54,116 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-10-12 17:13:54,118 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-10-12 17:13:54,136 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-10-12 17:13:54,138 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-10-12 17:13:54,140 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-10-12 17:13:54,142 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-10-12 17:13:54,277 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-10-12 17:13:54,278 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-10-12 17:13:54,278 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:13:54,278 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:13:54,279 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-10-12 17:13:54,290 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-10-12 17:13:54,298 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:13:54,298 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:13:54,298 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:13:54,298 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:13:54,308 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:13:54,308 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:13:54,311 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2023-10-12 17:13:54,321 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:13:54,326 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2023-10-12 17:13:54,327 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:13:54,327 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:13:54,328 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-10-12 17:13:54,333 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-10-12 17:13:54,341 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:13:54,341 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:13:54,341 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:13:54,341 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:13:54,343 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:13:54,343 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:13:54,354 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2023-10-12 17:13:54,356 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:13:54,360 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2023-10-12 17:13:54,361 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:13:54,361 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:13:54,362 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-10-12 17:13:54,366 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-10-12 17:13:54,373 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:13:54,373 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:13:54,373 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:13:54,374 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:13:54,375 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:13:54,375 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:13:54,378 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2023-10-12 17:13:54,389 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:13:54,396 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2023-10-12 17:13:54,396 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:13:54,397 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:13:54,398 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-10-12 17:13:54,401 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2023-10-12 17:13:54,401 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-10-12 17:13:54,408 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:13:54,409 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:13:54,409 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:13:54,409 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:13:54,410 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:13:54,410 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:13:54,420 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:13:54,428 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2023-10-12 17:13:54,429 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:13:54,429 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:13:54,430 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-10-12 17:13:54,433 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2023-10-12 17:13:54,437 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-10-12 17:13:54,444 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:13:54,444 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:13:54,444 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:13:54,444 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:13:54,445 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:13:54,445 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:13:54,460 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:13:54,463 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2023-10-12 17:13:54,463 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:13:54,464 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:13:54,464 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-10-12 17:13:54,467 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2023-10-12 17:13:54,468 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-10-12 17:13:54,475 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:13:54,475 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:13:54,475 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:13:54,475 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:13:54,477 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:13:54,477 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:13:54,505 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:13:54,510 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2023-10-12 17:13:54,511 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:13:54,511 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:13:54,512 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-10-12 17:13:54,517 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-10-12 17:13:54,526 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:13:54,526 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:13:54,526 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:13:54,526 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:13:54,528 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:13:54,528 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:13:54,531 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2023-10-12 17:13:54,540 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:13:54,547 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2023-10-12 17:13:54,547 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:13:54,547 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:13:54,550 INFO L229 MonitoredProcess]: Starting monitored process 31 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-10-12 17:13:54,557 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-10-12 17:13:54,561 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2023-10-12 17:13:54,565 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:13:54,565 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:13:54,565 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:13:54,565 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:13:54,566 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:13:54,566 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:13:54,568 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:13:54,572 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2023-10-12 17:13:54,572 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:13:54,572 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:13:54,575 INFO L229 MonitoredProcess]: Starting monitored process 32 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-10-12 17:13:54,575 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2023-10-12 17:13:54,578 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-10-12 17:13:54,585 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:13:54,585 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:13:54,585 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:13:54,586 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:13:54,586 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:13:54,587 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:13:54,589 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:13:54,591 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Ended with exit code 0 [2023-10-12 17:13:54,592 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:13:54,592 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:13:54,593 INFO L229 MonitoredProcess]: Starting monitored process 33 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-10-12 17:13:54,593 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2023-10-12 17:13:54,596 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-10-12 17:13:54,602 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:13:54,602 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:13:54,602 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:13:54,602 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:13:54,603 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:13:54,603 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:13:54,606 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:13:54,611 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2023-10-12 17:13:54,611 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:13:54,611 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:13:54,612 INFO L229 MonitoredProcess]: Starting monitored process 34 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-10-12 17:13:54,612 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2023-10-12 17:13:54,614 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-10-12 17:13:54,621 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:13:54,621 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:13:54,621 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:13:54,621 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:13:54,630 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:13:54,630 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:13:54,649 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:13:54,655 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2023-10-12 17:13:54,655 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:13:54,655 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:13:54,656 INFO L229 MonitoredProcess]: Starting monitored process 35 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-10-12 17:13:54,661 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2023-10-12 17:13:54,674 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-10-12 17:13:54,683 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:13:54,683 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:13:54,683 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:13:54,683 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:13:54,686 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:13:54,686 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:13:54,699 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-10-12 17:13:54,710 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2023-10-12 17:13:54,710 INFO L444 ModelExtractionUtils]: 0 out of 10 variables were initially zero. Simplification set additionally 7 variables to zero. [2023-10-12 17:13:54,710 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:13:54,711 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:13:54,713 INFO L229 MonitoredProcess]: Starting monitored process 36 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-10-12 17:13:54,721 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2023-10-12 17:13:54,748 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-10-12 17:13:54,769 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-10-12 17:13:54,770 INFO L513 LassoAnalysis]: Proved termination. [2023-10-12 17:13:54,770 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(q2_front, q2_back) = -1*q2_front + 1*q2_back Supporting invariants [] [2023-10-12 17:13:54,776 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2023-10-12 17:13:54,777 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-10-12 17:13:54,792 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:13:54,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-10-12 17:13:54,802 INFO L262 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 2 conjunts are in the unsatisfiable core [2023-10-12 17:13:54,802 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-10-12 17:13:54,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-10-12 17:13:54,820 WARN L260 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core [2023-10-12 17:13:54,821 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-10-12 17:13:54,822 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-10-12 17:13:54,823 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2023-10-12 17:13:54,824 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 2242 states and 10503 transitions. cyclomatic complexity: 8615 Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-10-12 17:13:54,970 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 2242 states and 10503 transitions. cyclomatic complexity: 8615. Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 7308 states and 33175 transitions. Complement of second has 5 states. [2023-10-12 17:13:54,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2023-10-12 17:13:54,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-10-12 17:13:54,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 49 transitions. [2023-10-12 17:13:54,972 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 49 transitions. Stem has 6 letters. Loop has 2 letters. [2023-10-12 17:13:54,972 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:13:54,972 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 49 transitions. Stem has 8 letters. Loop has 2 letters. [2023-10-12 17:13:54,972 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:13:54,972 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 49 transitions. Stem has 6 letters. Loop has 4 letters. [2023-10-12 17:13:54,973 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:13:54,973 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 7308 states and 33175 transitions. [2023-10-12 17:13:55,062 INFO L131 ngComponentsAnalysis]: Automaton has 162 accepting balls. 350 [2023-10-12 17:13:55,161 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 7308 states to 6199 states and 28191 transitions. [2023-10-12 17:13:55,161 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 1525 [2023-10-12 17:13:55,166 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 1673 [2023-10-12 17:13:55,167 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6199 states and 28191 transitions. [2023-10-12 17:13:55,167 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-10-12 17:13:55,167 INFO L219 hiAutomatonCegarLoop]: Abstraction has 6199 states and 28191 transitions. [2023-10-12 17:13:55,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6199 states and 28191 transitions. [2023-10-12 17:13:55,311 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2023-10-12 17:13:55,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6199 to 5132. [2023-10-12 17:13:55,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5132 states, 5132 states have (on average 4.751558846453625) internal successors, (24385), 5131 states have internal predecessors, (24385), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-10-12 17:13:55,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5132 states to 5132 states and 24385 transitions. [2023-10-12 17:13:55,444 INFO L241 hiAutomatonCegarLoop]: Abstraction has 5132 states and 24385 transitions. [2023-10-12 17:13:55,444 INFO L430 stractBuchiCegarLoop]: Abstraction has 5132 states and 24385 transitions. [2023-10-12 17:13:55,444 INFO L337 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2023-10-12 17:13:55,444 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 5132 states and 24385 transitions. [2023-10-12 17:13:55,488 INFO L131 ngComponentsAnalysis]: Automaton has 127 accepting balls. 280 [2023-10-12 17:13:55,540 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-10-12 17:13:55,540 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-10-12 17:13:55,541 INFO L149 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1] [2023-10-12 17:13:55,541 INFO L150 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-10-12 17:13:55,542 INFO L748 eck$LassoCheckResult]: Stem: 24637#[$Ultimate##0]don't care [81] $Ultimate##0-->L73: Formula: (and (= v_i_6 0) (= v_q2_front_1 v_q2_back_4) (= v_q1_back_4 v_q1_front_1) (= v_j_6 0) (<= 0 v_N_5) (= v_total_1 0)) InVars {q1_front=v_q1_front_1, N=v_N_5, q2_back=v_q2_back_4, j=v_j_6, i=v_i_6, total=v_total_1, q1_back=v_q1_back_4, q2_front=v_q2_front_1} OutVars{q1_front=v_q1_front_1, N=v_N_5, q2_back=v_q2_back_4, j=v_j_6, i=v_i_6, total=v_total_1, q1_back=v_q1_back_4, q2_front=v_q2_front_1} AuxVars[] AssignedVars[] 24639#[L73]don't care [106] L73-->L24: Formula: (= v_thread1Thread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_thidvar0] 25157#[L73-1, L24]don't care [109] L73-1-->L36: Formula: (and (= 2 v_thread2Thread1of1ForFork1_thidvar1_2) (= 2 v_thread2Thread1of1ForFork1_thidvar0_2)) InVars {} OutVars{thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_2, thread2Thread1of1ForFork1_thidvar1=v_thread2Thread1of1ForFork1_thidvar1_2} AuxVars[] AssignedVars[thread2Thread1of1ForFork1_thidvar0, thread2Thread1of1ForFork1_thidvar1] 25265#[L36, L74, L24]don't care [112] L74-->L49-1: Formula: (and (= 3 v_thread3Thread1of1ForFork2_thidvar0_2) (= 3 v_thread3Thread1of1ForFork2_thidvar1_2) (= 3 v_thread3Thread1of1ForFork2_thidvar2_2)) InVars {} OutVars{thread3Thread1of1ForFork2_thidvar2=v_thread3Thread1of1ForFork2_thidvar2_2, thread3Thread1of1ForFork2_thidvar1=v_thread3Thread1of1ForFork2_thidvar1_2, thread3Thread1of1ForFork2_thidvar0=v_thread3Thread1of1ForFork2_thidvar0_2} AuxVars[] AssignedVars[thread3Thread1of1ForFork2_thidvar2, thread3Thread1of1ForFork2_thidvar1, thread3Thread1of1ForFork2_thidvar0] 28991#[L24, L75, L36, L49-1]don't care [126] L24-->L25-1: Formula: (and (= (select v_q1_17 v_q1_back_35) (select v_f_15 v_i_25)) (= (+ 1 v_q1_back_35) v_q1_back_34) (< v_i_25 v_N_24)) InVars {q1=v_q1_17, N=v_N_24, i=v_i_25, f=v_f_15, q1_back=v_q1_back_35} OutVars{q1=v_q1_17, N=v_N_24, i=v_i_25, f=v_f_15, q1_back=v_q1_back_34} AuxVars[] AssignedVars[q1_back] 32747#[L75, L36, L25-1, L49-1]don't care [90] L25-1-->L24: Formula: (= v_i_3 (+ v_i_4 1)) InVars {i=v_i_4} OutVars{i=v_i_3} AuxVars[] AssignedVars[i] 32799#[L24, L75, L36, L49-1]don't care [126] L24-->L25-1: Formula: (and (= (select v_q1_17 v_q1_back_35) (select v_f_15 v_i_25)) (= (+ 1 v_q1_back_35) v_q1_back_34) (< v_i_25 v_N_24)) InVars {q1=v_q1_17, N=v_N_24, i=v_i_25, f=v_f_15, q1_back=v_q1_back_35} OutVars{q1=v_q1_17, N=v_N_24, i=v_i_25, f=v_f_15, q1_back=v_q1_back_34} AuxVars[] AssignedVars[q1_back] 30287#[L75, L36, L25-1, L49-1]don't care [2023-10-12 17:13:55,542 INFO L750 eck$LassoCheckResult]: Loop: 30287#[L75, L36, L25-1, L49-1]don't care [97] L49-1-->L49: Formula: (or (< v_i_7 v_N_6) (< v_q1_front_2 v_q1_back_5)) InVars {q1_front=v_q1_front_2, i=v_i_7, N=v_N_6, q1_back=v_q1_back_5} OutVars{q1_front=v_q1_front_2, i=v_i_7, N=v_N_6, q1_back=v_q1_back_5} AuxVars[] AssignedVars[] 30811#[L49, L75, L36, L25-1]don't care [99] L49-->L49-1: Formula: (and (= (+ v_q1_front_11 1) v_q1_front_10) (= (+ (select v_q1_7 v_q1_front_11) v_total_16) v_total_15) (< v_q1_front_11 v_q1_back_14)) InVars {q1_front=v_q1_front_11, q1=v_q1_7, total=v_total_16, q1_back=v_q1_back_14} OutVars{q1_front=v_q1_front_10, q1=v_q1_7, total=v_total_15, q1_back=v_q1_back_14} AuxVars[] AssignedVars[q1_front, total] 30287#[L75, L36, L25-1, L49-1]don't care [2023-10-12 17:13:55,542 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:13:55,542 INFO L85 PathProgramCache]: Analyzing trace with hash -539988443, now seen corresponding path program 1 times [2023-10-12 17:13:55,542 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:13:55,542 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1052112861] [2023-10-12 17:13:55,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:13:55,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:13:55,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:13:55,547 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:13:55,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:13:55,551 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:13:55,551 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:13:55,552 INFO L85 PathProgramCache]: Analyzing trace with hash 4067, now seen corresponding path program 3 times [2023-10-12 17:13:55,552 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:13:55,552 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1390284574] [2023-10-12 17:13:55,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:13:55,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:13:55,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:13:55,555 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:13:55,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:13:55,557 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:13:55,557 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:13:55,558 INFO L85 PathProgramCache]: Analyzing trace with hash 762152199, now seen corresponding path program 1 times [2023-10-12 17:13:55,558 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:13:55,558 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [494351435] [2023-10-12 17:13:55,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:13:55,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:13:55,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:13:55,563 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:13:55,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:13:55,569 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:13:55,741 INFO L210 LassoAnalysis]: Preferences: [2023-10-12 17:13:55,741 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-10-12 17:13:55,741 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-10-12 17:13:55,741 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-10-12 17:13:55,742 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-10-12 17:13:55,742 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:13:55,742 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-10-12 17:13:55,742 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-10-12 17:13:55,742 INFO L133 ssoRankerPreferences]: Filename of dumped script: buffer-series-array.wvr.bpl_BEv2_Iteration7_Lasso [2023-10-12 17:13:55,742 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-10-12 17:13:55,742 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-10-12 17:13:55,743 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-10-12 17:13:55,746 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-10-12 17:13:55,748 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-10-12 17:13:55,780 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-10-12 17:13:55,783 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-10-12 17:13:55,786 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-10-12 17:13:55,789 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-10-12 17:13:55,792 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-10-12 17:13:55,795 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-10-12 17:13:55,799 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-10-12 17:13:55,802 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-10-12 17:13:55,926 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-10-12 17:13:55,926 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-10-12 17:13:55,926 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:13:55,926 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:13:55,933 INFO L229 MonitoredProcess]: Starting monitored process 37 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-10-12 17:13:55,936 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2023-10-12 17:13:55,937 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-10-12 17:13:55,944 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:13:55,945 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:13:55,945 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:13:55,945 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:13:55,946 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:13:55,946 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:13:55,956 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:13:55,961 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2023-10-12 17:13:55,961 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:13:55,961 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:13:55,962 INFO L229 MonitoredProcess]: Starting monitored process 38 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-10-12 17:13:55,964 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2023-10-12 17:13:55,965 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-10-12 17:13:55,971 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:13:55,971 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:13:55,971 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:13:55,971 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:13:55,972 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:13:55,973 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:13:55,984 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:13:55,987 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2023-10-12 17:13:55,988 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:13:55,988 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:13:55,988 INFO L229 MonitoredProcess]: Starting monitored process 39 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-10-12 17:13:55,990 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2023-10-12 17:13:55,991 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-10-12 17:13:55,997 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:13:55,997 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:13:55,997 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:13:55,997 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:13:55,998 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:13:55,998 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:13:56,019 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:13:56,022 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Ended with exit code 0 [2023-10-12 17:13:56,022 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:13:56,022 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:13:56,023 INFO L229 MonitoredProcess]: Starting monitored process 40 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-10-12 17:13:56,026 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2023-10-12 17:13:56,027 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 17:13:56,033 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:13:56,033 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:13:56,033 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:13:56,033 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:13:56,035 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:13:56,035 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:13:56,065 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:13:56,072 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2023-10-12 17:13:56,073 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:13:56,073 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:13:56,074 INFO L229 MonitoredProcess]: Starting monitored process 41 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-10-12 17:13:56,076 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2023-10-12 17:13:56,078 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-10-12 17:13:56,085 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:13:56,086 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:13:56,086 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:13:56,086 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:13:56,088 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:13:56,088 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:13:56,104 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-10-12 17:13:56,121 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2023-10-12 17:13:56,121 INFO L444 ModelExtractionUtils]: 2 out of 10 variables were initially zero. Simplification set additionally 5 variables to zero. [2023-10-12 17:13:56,121 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:13:56,121 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:13:56,125 INFO L229 MonitoredProcess]: Starting monitored process 42 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-10-12 17:13:56,128 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2023-10-12 17:13:56,129 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-10-12 17:13:56,161 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-10-12 17:13:56,162 INFO L513 LassoAnalysis]: Proved termination. [2023-10-12 17:13:56,162 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(q1_back, q1_front) = 1*q1_back - 1*q1_front Supporting invariants [] [2023-10-12 17:13:56,169 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Forceful destruction successful, exit code 0 [2023-10-12 17:13:56,172 INFO L156 tatePredicateManager]: 2 out of 2 supporting invariants were superfluous and have been removed [2023-10-12 17:13:56,182 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:13:56,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-10-12 17:13:56,196 INFO L262 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 2 conjunts are in the unsatisfiable core [2023-10-12 17:13:56,197 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-10-12 17:13:56,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-10-12 17:13:56,212 WARN L260 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core [2023-10-12 17:13:56,213 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-10-12 17:13:56,214 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-10-12 17:13:56,215 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2023-10-12 17:13:56,215 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 5132 states and 24385 transitions. cyclomatic complexity: 19946 Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-10-12 17:13:56,434 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Forceful destruction successful, exit code 0 [2023-10-12 17:13:56,441 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 5132 states and 24385 transitions. cyclomatic complexity: 19946. Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 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 10188 states and 45326 transitions. Complement of second has 5 states. [2023-10-12 17:13:56,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2023-10-12 17:13:56,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-10-12 17:13:56,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 51 transitions. [2023-10-12 17:13:56,444 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 51 transitions. Stem has 7 letters. Loop has 2 letters. [2023-10-12 17:13:56,444 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:13:56,444 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2023-10-12 17:13:56,453 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:13:56,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-10-12 17:13:56,462 INFO L262 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 2 conjunts are in the unsatisfiable core [2023-10-12 17:13:56,462 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-10-12 17:13:56,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-10-12 17:13:56,475 WARN L260 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core [2023-10-12 17:13:56,476 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-10-12 17:13:56,477 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-10-12 17:13:56,478 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 1 loop predicates [2023-10-12 17:13:56,478 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 5132 states and 24385 transitions. cyclomatic complexity: 19946 Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-10-12 17:13:56,592 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 5132 states and 24385 transitions. cyclomatic complexity: 19946. Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 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 10188 states and 45326 transitions. Complement of second has 5 states. [2023-10-12 17:13:56,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2023-10-12 17:13:56,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-10-12 17:13:56,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 51 transitions. [2023-10-12 17:13:56,593 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 51 transitions. Stem has 7 letters. Loop has 2 letters. [2023-10-12 17:13:56,593 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:13:56,593 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2023-10-12 17:13:56,602 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:13:56,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-10-12 17:13:56,611 INFO L262 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 2 conjunts are in the unsatisfiable core [2023-10-12 17:13:56,611 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-10-12 17:13:56,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-10-12 17:13:56,623 WARN L260 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core [2023-10-12 17:13:56,624 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-10-12 17:13:56,627 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-10-12 17:13:56,627 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2023-10-12 17:13:56,627 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 5132 states and 24385 transitions. cyclomatic complexity: 19946 Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-10-12 17:13:56,778 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 5132 states and 24385 transitions. cyclomatic complexity: 19946. Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 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 12729 states and 57795 transitions. Complement of second has 5 states. [2023-10-12 17:13:56,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2023-10-12 17:13:56,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-10-12 17:13:56,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 54 transitions. [2023-10-12 17:13:56,779 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 54 transitions. Stem has 7 letters. Loop has 2 letters. [2023-10-12 17:13:56,779 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:13:56,779 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 54 transitions. Stem has 9 letters. Loop has 2 letters. [2023-10-12 17:13:56,779 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:13:56,779 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 54 transitions. Stem has 7 letters. Loop has 4 letters. [2023-10-12 17:13:56,779 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:13:56,779 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 12729 states and 57795 transitions. [2023-10-12 17:13:56,962 INFO L131 ngComponentsAnalysis]: Automaton has 97 accepting balls. 194 [2023-10-12 17:13:57,043 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 12729 states to 6975 states and 31135 transitions. [2023-10-12 17:13:57,043 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 1459 [2023-10-12 17:13:57,048 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 1699 [2023-10-12 17:13:57,049 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6975 states and 31135 transitions. [2023-10-12 17:13:57,049 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-10-12 17:13:57,049 INFO L219 hiAutomatonCegarLoop]: Abstraction has 6975 states and 31135 transitions. [2023-10-12 17:13:57,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6975 states and 31135 transitions. [2023-10-12 17:13:57,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6975 to 2925. [2023-10-12 17:13:57,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2925 states, 2925 states have (on average 4.552136752136752) internal successors, (13315), 2924 states have internal predecessors, (13315), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-10-12 17:13:57,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2925 states to 2925 states and 13315 transitions. [2023-10-12 17:13:57,177 INFO L241 hiAutomatonCegarLoop]: Abstraction has 2925 states and 13315 transitions. [2023-10-12 17:13:57,177 INFO L430 stractBuchiCegarLoop]: Abstraction has 2925 states and 13315 transitions. [2023-10-12 17:13:57,177 INFO L337 stractBuchiCegarLoop]: ======== Iteration 8 ============ [2023-10-12 17:13:57,177 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 2925 states and 13315 transitions. [2023-10-12 17:13:57,195 INFO L131 ngComponentsAnalysis]: Automaton has 40 accepting balls. 80 [2023-10-12 17:13:57,195 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-10-12 17:13:57,195 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-10-12 17:13:57,196 INFO L149 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1] [2023-10-12 17:13:57,196 INFO L150 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-10-12 17:13:57,196 INFO L748 eck$LassoCheckResult]: Stem: 68068#[$Ultimate##0]don't care [81] $Ultimate##0-->L73: Formula: (and (= v_i_6 0) (= v_q2_front_1 v_q2_back_4) (= v_q1_back_4 v_q1_front_1) (= v_j_6 0) (<= 0 v_N_5) (= v_total_1 0)) InVars {q1_front=v_q1_front_1, N=v_N_5, q2_back=v_q2_back_4, j=v_j_6, i=v_i_6, total=v_total_1, q1_back=v_q1_back_4, q2_front=v_q2_front_1} OutVars{q1_front=v_q1_front_1, N=v_N_5, q2_back=v_q2_back_4, j=v_j_6, i=v_i_6, total=v_total_1, q1_back=v_q1_back_4, q2_front=v_q2_front_1} AuxVars[] AssignedVars[] 68070#[L73]don't care [106] L73-->L24: Formula: (= v_thread1Thread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_thidvar0] 68510#[L73-1, L24]don't care [109] L73-1-->L36: Formula: (and (= 2 v_thread2Thread1of1ForFork1_thidvar1_2) (= 2 v_thread2Thread1of1ForFork1_thidvar0_2)) InVars {} OutVars{thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_2, thread2Thread1of1ForFork1_thidvar1=v_thread2Thread1of1ForFork1_thidvar1_2} AuxVars[] AssignedVars[thread2Thread1of1ForFork1_thidvar0, thread2Thread1of1ForFork1_thidvar1] 68580#[L36, L74, L24]don't care [112] L74-->L49-1: Formula: (and (= 3 v_thread3Thread1of1ForFork2_thidvar0_2) (= 3 v_thread3Thread1of1ForFork2_thidvar1_2) (= 3 v_thread3Thread1of1ForFork2_thidvar2_2)) InVars {} OutVars{thread3Thread1of1ForFork2_thidvar2=v_thread3Thread1of1ForFork2_thidvar2_2, thread3Thread1of1ForFork2_thidvar1=v_thread3Thread1of1ForFork2_thidvar1_2, thread3Thread1of1ForFork2_thidvar0=v_thread3Thread1of1ForFork2_thidvar0_2} AuxVars[] AssignedVars[thread3Thread1of1ForFork2_thidvar2, thread3Thread1of1ForFork2_thidvar1, thread3Thread1of1ForFork2_thidvar0] 73642#[L24, L75, L36, L49-1]don't care [115] L75-->L61-1: Formula: (and (= v_thread4Thread1of1ForFork3_thidvar2_2 4) (= v_thread4Thread1of1ForFork3_thidvar3_2 4) (= v_thread4Thread1of1ForFork3_thidvar0_2 4) (= v_thread4Thread1of1ForFork3_thidvar1_2 4)) InVars {} OutVars{thread4Thread1of1ForFork3_thidvar1=v_thread4Thread1of1ForFork3_thidvar1_2, thread4Thread1of1ForFork3_thidvar0=v_thread4Thread1of1ForFork3_thidvar0_2, thread4Thread1of1ForFork3_thidvar3=v_thread4Thread1of1ForFork3_thidvar3_2, thread4Thread1of1ForFork3_thidvar2=v_thread4Thread1of1ForFork3_thidvar2_2} AuxVars[] AssignedVars[thread4Thread1of1ForFork3_thidvar1, thread4Thread1of1ForFork3_thidvar0, thread4Thread1of1ForFork3_thidvar3, thread4Thread1of1ForFork3_thidvar2] 73646#[L36, L76, L49-1, L61-1, L24]don't care [121] L36-->L37-1: Formula: (and (= (+ (select v_q2_9 v_q2_back_15) (select v_f_7 v_j_13)) 0) (< v_j_13 v_N_12) (= v_q2_back_14 (+ v_q2_back_15 1))) InVars {q2=v_q2_9, N=v_N_12, q2_back=v_q2_back_15, j=v_j_13, f=v_f_7} OutVars{q2=v_q2_9, N=v_N_12, q2_back=v_q2_back_14, j=v_j_13, f=v_f_7} AuxVars[] AssignedVars[q2_back] 73614#[L37-1, L76, L49-1, L61-1, L24]don't care [95] L37-1-->L36: Formula: (= v_j_4 (+ v_j_5 1)) InVars {j=v_j_5} OutVars{j=v_j_4} AuxVars[] AssignedVars[j] 72164#[L36, L76, L49-1, L61-1, L24]don't care [121] L36-->L37-1: Formula: (and (= (+ (select v_q2_9 v_q2_back_15) (select v_f_7 v_j_13)) 0) (< v_j_13 v_N_12) (= v_q2_back_14 (+ v_q2_back_15 1))) InVars {q2=v_q2_9, N=v_N_12, q2_back=v_q2_back_15, j=v_j_13, f=v_f_7} OutVars{q2=v_q2_9, N=v_N_12, q2_back=v_q2_back_14, j=v_j_13, f=v_f_7} AuxVars[] AssignedVars[q2_back] 70066#[L37-1, L76, L49-1, L61-1, L24]don't care [2023-10-12 17:13:57,197 INFO L750 eck$LassoCheckResult]: Loop: 70066#[L37-1, L76, L49-1, L61-1, L24]don't care [101] L61-1-->L61: Formula: (or (< v_q2_front_2 v_q2_back_5) (< v_j_7 v_N_8)) InVars {N=v_N_8, q2_front=v_q2_front_2, j=v_j_7, q2_back=v_q2_back_5} OutVars{N=v_N_8, q2_front=v_q2_front_2, j=v_j_7, q2_back=v_q2_back_5} AuxVars[] AssignedVars[] 70062#[L37-1, L76, L49-1, L61, L24]don't care [103] L61-->L61-1: Formula: (and (= (+ v_q2_front_13 1) v_q2_front_12) (= (+ (select v_q2_7 v_q2_front_13) v_total_20) v_total_19) (< v_q2_front_13 v_q2_back_12)) InVars {q2=v_q2_7, total=v_total_20, q2_front=v_q2_front_13, q2_back=v_q2_back_12} OutVars{q2=v_q2_7, total=v_total_19, q2_front=v_q2_front_12, q2_back=v_q2_back_12} AuxVars[] AssignedVars[total, q2_front] 70066#[L37-1, L76, L49-1, L61-1, L24]don't care [2023-10-12 17:13:57,197 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:13:57,197 INFO L85 PathProgramCache]: Analyzing trace with hash 439928701, now seen corresponding path program 1 times [2023-10-12 17:13:57,197 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:13:57,197 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1818190833] [2023-10-12 17:13:57,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:13:57,197 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:13:57,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:13:57,203 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:13:57,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:13:57,208 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:13:57,208 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:13:57,208 INFO L85 PathProgramCache]: Analyzing trace with hash 4195, now seen corresponding path program 3 times [2023-10-12 17:13:57,208 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:13:57,208 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1932650173] [2023-10-12 17:13:57,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:13:57,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:13:57,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:13:57,211 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:13:57,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:13:57,213 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:13:57,213 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:13:57,214 INFO L85 PathProgramCache]: Analyzing trace with hash 1864689887, now seen corresponding path program 1 times [2023-10-12 17:13:57,214 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:13:57,214 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [227499072] [2023-10-12 17:13:57,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:13:57,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:13:57,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:13:57,229 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:13:57,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:13:57,234 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:13:57,481 INFO L210 LassoAnalysis]: Preferences: [2023-10-12 17:13:57,481 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-10-12 17:13:57,481 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-10-12 17:13:57,481 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-10-12 17:13:57,481 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-10-12 17:13:57,481 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:13:57,481 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-10-12 17:13:57,481 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-10-12 17:13:57,481 INFO L133 ssoRankerPreferences]: Filename of dumped script: buffer-series-array.wvr.bpl_BEv2_Iteration8_Lasso [2023-10-12 17:13:57,481 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-10-12 17:13:57,481 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-10-12 17:13:57,483 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 17:13:57,486 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-10-12 17:13:57,488 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-10-12 17:13:57,493 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 17:13:57,496 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-10-12 17:13:57,498 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-10-12 17:13:57,501 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-10-12 17:13:57,503 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-10-12 17:13:57,505 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-10-12 17:13:57,507 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-10-12 17:13:57,509 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 17:13:57,512 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-10-12 17:13:57,542 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-10-12 17:13:57,545 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-10-12 17:13:57,547 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-10-12 17:13:57,726 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-10-12 17:13:57,726 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-10-12 17:13:57,726 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:13:57,726 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:13:57,727 INFO L229 MonitoredProcess]: Starting monitored process 43 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-10-12 17:13:57,730 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2023-10-12 17:13:57,736 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-10-12 17:13:57,744 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:13:57,744 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:13:57,744 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:13:57,744 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:13:57,745 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:13:57,745 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:13:57,759 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:13:57,763 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Forceful destruction successful, exit code 0 [2023-10-12 17:13:57,763 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:13:57,763 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:13:57,764 INFO L229 MonitoredProcess]: Starting monitored process 44 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-10-12 17:13:57,769 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-10-12 17:13:57,776 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:13:57,777 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:13:57,777 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:13:57,777 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:13:57,778 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:13:57,778 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:13:57,781 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2023-10-12 17:13:57,787 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:13:57,789 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Forceful destruction successful, exit code 0 [2023-10-12 17:13:57,789 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:13:57,789 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:13:57,790 INFO L229 MonitoredProcess]: Starting monitored process 45 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-10-12 17:13:57,791 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2023-10-12 17:13:57,793 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-10-12 17:13:57,799 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:13:57,799 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:13:57,799 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:13:57,799 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:13:57,801 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:13:57,801 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:13:57,816 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:13:57,819 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Ended with exit code 0 [2023-10-12 17:13:57,819 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:13:57,819 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:13:57,820 INFO L229 MonitoredProcess]: Starting monitored process 46 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-10-12 17:13:57,820 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2023-10-12 17:13:57,826 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-10-12 17:13:57,832 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:13:57,832 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:13:57,832 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:13:57,832 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:13:57,834 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:13:57,834 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:13:57,853 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:13:57,856 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Forceful destruction successful, exit code 0 [2023-10-12 17:13:57,856 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:13:57,856 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:13:57,857 INFO L229 MonitoredProcess]: Starting monitored process 47 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-10-12 17:13:57,859 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2023-10-12 17:13:57,860 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-10-12 17:13:57,866 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:13:57,866 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:13:57,867 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:13:57,867 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:13:57,868 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:13:57,868 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:13:57,870 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:13:57,873 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Ended with exit code 0 [2023-10-12 17:13:57,873 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:13:57,873 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:13:57,995 INFO L229 MonitoredProcess]: Starting monitored process 48 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-10-12 17:13:57,996 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2023-10-12 17:13:57,998 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-10-12 17:13:58,004 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:13:58,005 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:13:58,005 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:13:58,005 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:13:58,006 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:13:58,006 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:13:58,008 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:13:58,011 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Ended with exit code 0 [2023-10-12 17:13:58,011 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:13:58,011 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:13:58,012 INFO L229 MonitoredProcess]: Starting monitored process 49 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-10-12 17:13:58,012 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2023-10-12 17:13:58,015 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-10-12 17:13:58,021 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:13:58,021 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:13:58,022 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:13:58,022 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:13:58,023 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:13:58,023 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:13:58,051 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:13:58,090 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Forceful destruction successful, exit code 0 [2023-10-12 17:13:58,090 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:13:58,090 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:13:58,091 INFO L229 MonitoredProcess]: Starting monitored process 50 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-10-12 17:13:58,092 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2023-10-12 17:13:58,094 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-10-12 17:13:58,101 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:13:58,101 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:13:58,101 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:13:58,101 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:13:58,105 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:13:58,105 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:13:58,129 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:13:58,132 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Forceful destruction successful, exit code 0 [2023-10-12 17:13:58,133 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:13:58,133 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:13:58,134 INFO L229 MonitoredProcess]: Starting monitored process 51 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-10-12 17:13:58,137 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-10-12 17:13:58,145 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:13:58,145 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:13:58,145 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:13:58,145 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:13:58,147 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:13:58,147 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:13:58,150 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2023-10-12 17:13:58,161 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:13:58,166 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Forceful destruction successful, exit code 0 [2023-10-12 17:13:58,166 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:13:58,166 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:13:58,168 INFO L229 MonitoredProcess]: Starting monitored process 52 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-10-12 17:13:58,173 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-10-12 17:13:58,181 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:13:58,181 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:13:58,181 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:13:58,181 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:13:58,182 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:13:58,182 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:13:58,185 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2023-10-12 17:13:58,192 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:13:58,198 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Forceful destruction successful, exit code 0 [2023-10-12 17:13:58,198 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:13:58,199 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:13:58,200 INFO L229 MonitoredProcess]: Starting monitored process 53 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-10-12 17:13:58,203 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2023-10-12 17:13:58,204 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-10-12 17:13:58,211 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:13:58,211 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:13:58,212 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:13:58,212 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:13:58,213 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:13:58,213 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:13:58,229 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:13:58,234 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Forceful destruction successful, exit code 0 [2023-10-12 17:13:58,235 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:13:58,235 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:13:58,236 INFO L229 MonitoredProcess]: Starting monitored process 54 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-10-12 17:13:58,238 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2023-10-12 17:13:58,240 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-10-12 17:13:58,248 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:13:58,249 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:13:58,249 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:13:58,249 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:13:58,251 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:13:58,251 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:13:58,271 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-10-12 17:13:58,280 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2023-10-12 17:13:58,280 INFO L444 ModelExtractionUtils]: 2 out of 10 variables were initially zero. Simplification set additionally 5 variables to zero. [2023-10-12 17:13:58,280 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:13:58,281 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:13:58,285 INFO L229 MonitoredProcess]: Starting monitored process 55 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-10-12 17:13:58,288 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2023-10-12 17:13:58,289 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-10-12 17:13:58,297 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-10-12 17:13:58,298 INFO L513 LassoAnalysis]: Proved termination. [2023-10-12 17:13:58,298 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(q2_front, q2_back) = -1*q2_front + 1*q2_back Supporting invariants [] [2023-10-12 17:13:58,302 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Forceful destruction successful, exit code 0 [2023-10-12 17:13:58,304 INFO L156 tatePredicateManager]: 1 out of 1 supporting invariants were superfluous and have been removed [2023-10-12 17:13:58,314 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:13:58,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-10-12 17:13:58,325 INFO L262 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 2 conjunts are in the unsatisfiable core [2023-10-12 17:13:58,325 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-10-12 17:13:58,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-10-12 17:13:58,341 WARN L260 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core [2023-10-12 17:13:58,341 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-10-12 17:13:58,343 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-10-12 17:13:58,343 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2023-10-12 17:13:58,344 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 2925 states and 13315 transitions. cyclomatic complexity: 10696 Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-10-12 17:13:58,418 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 2925 states and 13315 transitions. cyclomatic complexity: 10696. Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 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 5369 states and 23376 transitions. Complement of second has 5 states. [2023-10-12 17:13:58,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2023-10-12 17:13:58,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-10-12 17:13:58,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 38 transitions. [2023-10-12 17:13:58,420 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 38 transitions. Stem has 8 letters. Loop has 2 letters. [2023-10-12 17:13:58,420 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:13:58,420 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2023-10-12 17:13:58,428 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:13:58,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-10-12 17:13:58,439 INFO L262 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 2 conjunts are in the unsatisfiable core [2023-10-12 17:13:58,439 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-10-12 17:13:58,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-10-12 17:13:58,452 WARN L260 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core [2023-10-12 17:13:58,452 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-10-12 17:13:58,455 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-10-12 17:13:58,456 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 1 loop predicates [2023-10-12 17:13:58,456 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 2925 states and 13315 transitions. cyclomatic complexity: 10696 Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-10-12 17:13:58,530 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 2925 states and 13315 transitions. cyclomatic complexity: 10696. Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 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 5369 states and 23376 transitions. Complement of second has 5 states. [2023-10-12 17:13:58,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2023-10-12 17:13:58,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-10-12 17:13:58,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 38 transitions. [2023-10-12 17:13:58,531 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 38 transitions. Stem has 8 letters. Loop has 2 letters. [2023-10-12 17:13:58,531 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:13:58,531 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2023-10-12 17:13:58,540 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:13:58,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-10-12 17:13:58,551 INFO L262 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 2 conjunts are in the unsatisfiable core [2023-10-12 17:13:58,551 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-10-12 17:13:58,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-10-12 17:13:58,564 WARN L260 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core [2023-10-12 17:13:58,564 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-10-12 17:13:58,566 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-10-12 17:13:58,566 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2023-10-12 17:13:58,566 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 2925 states and 13315 transitions. cyclomatic complexity: 10696 Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-10-12 17:13:58,661 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 2925 states and 13315 transitions. cyclomatic complexity: 10696. Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 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 7643 states and 32936 transitions. Complement of second has 5 states. [2023-10-12 17:13:58,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2023-10-12 17:13:58,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-10-12 17:13:58,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 50 transitions. [2023-10-12 17:13:58,662 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 50 transitions. Stem has 8 letters. Loop has 2 letters. [2023-10-12 17:13:58,662 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:13:58,662 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 50 transitions. Stem has 10 letters. Loop has 2 letters. [2023-10-12 17:13:58,662 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:13:58,662 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 50 transitions. Stem has 8 letters. Loop has 4 letters. [2023-10-12 17:13:58,663 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:13:58,663 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 7643 states and 32936 transitions. [2023-10-12 17:13:58,746 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-10-12 17:13:58,747 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 7643 states to 0 states and 0 transitions. [2023-10-12 17:13:58,747 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2023-10-12 17:13:58,747 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2023-10-12 17:13:58,747 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2023-10-12 17:13:58,747 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-10-12 17:13:58,747 INFO L219 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-10-12 17:13:58,747 INFO L241 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-10-12 17:13:58,747 INFO L430 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-10-12 17:13:58,747 INFO L337 stractBuchiCegarLoop]: ======== Iteration 9 ============ [2023-10-12 17:13:58,747 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2023-10-12 17:13:58,747 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-10-12 17:13:58,747 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2023-10-12 17:13:58,753 INFO L201 PluginConnector]: Adding new model buffer-series-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 12.10 05:13:58 BoogieIcfgContainer [2023-10-12 17:13:58,753 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-10-12 17:13:58,753 INFO L158 Benchmark]: Toolchain (without parser) took 9448.80ms. Allocated memory was 221.2MB in the beginning and 745.5MB in the end (delta: 524.3MB). Free memory was 172.4MB in the beginning and 432.9MB in the end (delta: -260.5MB). Peak memory consumption was 263.8MB. Max. memory is 8.0GB. [2023-10-12 17:13:58,753 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.27ms. Allocated memory is still 221.2MB. Free memory is still 173.6MB. There was no memory consumed. Max. memory is 8.0GB. [2023-10-12 17:13:58,754 INFO L158 Benchmark]: Boogie Procedure Inliner took 29.55ms. Allocated memory is still 221.2MB. Free memory was 172.4MB in the beginning and 170.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-10-12 17:13:58,754 INFO L158 Benchmark]: Boogie Preprocessor took 30.89ms. Allocated memory is still 221.2MB. Free memory was 170.8MB in the beginning and 169.8MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2023-10-12 17:13:58,754 INFO L158 Benchmark]: RCFGBuilder took 315.88ms. Allocated memory is still 221.2MB. Free memory was 169.6MB in the beginning and 158.4MB in the end (delta: 11.2MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2023-10-12 17:13:58,754 INFO L158 Benchmark]: BuchiAutomizer took 9068.27ms. Allocated memory was 221.2MB in the beginning and 745.5MB in the end (delta: 524.3MB). Free memory was 158.4MB in the beginning and 432.9MB in the end (delta: -274.5MB). Peak memory consumption was 249.1MB. Max. memory is 8.0GB. [2023-10-12 17:13:58,755 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 0.27ms. Allocated memory is still 221.2MB. Free memory is still 173.6MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 29.55ms. Allocated memory is still 221.2MB. Free memory was 172.4MB in the beginning and 170.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 30.89ms. Allocated memory is still 221.2MB. Free memory was 170.8MB in the beginning and 169.8MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 315.88ms. Allocated memory is still 221.2MB. Free memory was 169.6MB in the beginning and 158.4MB in the end (delta: 11.2MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * BuchiAutomizer took 9068.27ms. Allocated memory was 221.2MB in the beginning and 745.5MB in the end (delta: 524.3MB). Free memory was 158.4MB in the beginning and 432.9MB in the end (delta: -274.5MB). Peak memory consumption was 249.1MB. 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 8 terminating modules (2 trivial, 4 deterministic, 2 nondeterministic). One deterministic module has affine ranking function N + -1 * i and consists of 5 locations. One deterministic module has affine ranking function N + -1 * j and consists of 5 locations. One deterministic module has affine ranking function -1 * q1_front + q1_back and consists of 3 locations. One deterministic module has affine ranking function q2_back + -1 * q2_front and consists of 3 locations. One nondeterministic module has affine ranking function -1 * q1_front + q1_back and consists of 3 locations. One nondeterministic module has affine ranking function q2_back + -1 * q2_front and consists of 3 locations. 2 modules have a trivial ranking function, the largest among these consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 8.9s and 9 iterations. TraceHistogramMax:2. Analysis of lassos took 5.1s. Construction of modules took 0.3s. Büchi inclusion checks took 1.6s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 7. Automata minimization 0.7s AutomataMinimizationTime, 7 MinimizatonAttempts, 6174 StatesRemovedByMinimization, 7 NontrivialMinimizations. Non-live state removal took 0.7s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [4, 0, 2, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 342 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 332 mSDsluCounter, 103 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 30 mSDsCounter, 14 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 500 IncrementalHoareTripleChecker+Invalid, 514 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 14 mSolverCounterUnsat, 73 mSDtfsCounter, 500 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc2 concLT0 SILN0 SILU0 SILI0 SILT0 lasso6 LassoPreprocessingBenchmarks: Lassos: inital68 mio100 ax100 hnf100 lsp57 ukn86 mio100 lsp53 div100 bol100 ite100 ukn100 eq185 hnf91 smp100 dnf100 smp100 tf100 neg100 sie104 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 33ms 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, 40 PlacesBefore, 32 PlacesAfterwards, 31 TransitionsBefore, 23 TransitionsAfterwards, 350 CoEnabledTransitionPairs, 2 FixpointIterations, 3 TrivialSequentialCompositions, 6 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 9 TotalNumberOfCompositions, 505 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 388, independent: 366, independent conditional: 0, independent unconditional: 366, dependent: 22, dependent conditional: 0, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 219, independent: 211, independent conditional: 0, independent unconditional: 211, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 219, independent: 201, independent conditional: 0, independent unconditional: 201, dependent: 18, dependent conditional: 0, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 18, independent: 10, independent conditional: 0, independent unconditional: 10, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 65, independent: 32, independent conditional: 0, independent unconditional: 32, dependent: 32, dependent conditional: 0, dependent unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 388, independent: 155, independent conditional: 0, independent unconditional: 155, dependent: 14, dependent conditional: 0, dependent unconditional: 14, unknown: 219, unknown conditional: 0, unknown unconditional: 219] , Statistics on independence cache: Total cache size (in pairs): 90, Positive cache size: 86, Positive conditional cache size: 0, Positive unconditional cache size: 86, Negative cache size: 4, Negative conditional cache size: 0, Negative unconditional cache size: 4, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 RESULT: Ultimate proved your program to be correct! [2023-10-12 17:13:58,769 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Forceful destruction successful, exit code 0 [2023-10-12 17:13:58,970 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...