/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.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.3-wip.fs.rabin-petrinet-4c29625-m [2023-10-12 17:13:49,878 INFO L172 SettingsManager]: Resetting all preferences to default values... [2023-10-12 17:13:49,936 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 17:13:49,960 INFO L114 SettingsManager]: Preferences different from defaults after loading the file: [2023-10-12 17:13:49,961 INFO L135 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-10-12 17:13:49,961 INFO L137 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-10-12 17:13:49,962 INFO L135 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-10-12 17:13:49,963 INFO L137 SettingsManager]: * Create parallel compositions if possible=false [2023-10-12 17:13:49,963 INFO L137 SettingsManager]: * Use SBE=true [2023-10-12 17:13:49,966 INFO L135 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-10-12 17:13:49,966 INFO L137 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-10-12 17:13:49,966 INFO L137 SettingsManager]: * Use old map elimination=false [2023-10-12 17:13:49,966 INFO L137 SettingsManager]: * Use external solver (rank synthesis)=false [2023-10-12 17:13:49,967 INFO L137 SettingsManager]: * Use only trivial implications for array writes=true [2023-10-12 17:13:49,968 INFO L137 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-10-12 17:13:49,968 INFO L135 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-10-12 17:13:49,968 INFO L137 SettingsManager]: * sizeof long=4 [2023-10-12 17:13:49,968 INFO L137 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-10-12 17:13:49,968 INFO L137 SettingsManager]: * Overapproximate operations on floating types=true [2023-10-12 17:13:49,969 INFO L137 SettingsManager]: * sizeof POINTER=4 [2023-10-12 17:13:49,969 INFO L137 SettingsManager]: * Check division by zero=IGNORE [2023-10-12 17:13:49,970 INFO L137 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-10-12 17:13:49,970 INFO L137 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-10-12 17:13:49,970 INFO L137 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-10-12 17:13:49,970 INFO L137 SettingsManager]: * sizeof long double=12 [2023-10-12 17:13:49,970 INFO L137 SettingsManager]: * Check if freed pointer was valid=false [2023-10-12 17:13:49,970 INFO L137 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-10-12 17:13:49,971 INFO L137 SettingsManager]: * Use constant arrays=true [2023-10-12 17:13:49,971 INFO L137 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-10-12 17:13:49,971 INFO L135 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-10-12 17:13:49,972 INFO L137 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-10-12 17:13:49,972 INFO L135 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-10-12 17:13:49,972 INFO L137 SettingsManager]: * Trace refinement strategy=CAMEL [2023-10-12 17:13:49,973 INFO L135 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-10-12 17:13:49,973 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: Automaton type for concurrent programs -> BUCHI_AUTOMATON [2023-10-12 17:13:50,134 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-10-12 17:13:50,153 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-10-12 17:13:50,155 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-10-12 17:13:50,156 INFO L270 PluginConnector]: Initializing Boogie PL CUP Parser... [2023-10-12 17:13:50,156 INFO L274 PluginConnector]: Boogie PL CUP Parser initialized [2023-10-12 17:13:50,157 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/buffer-series.wvr.bpl [2023-10-12 17:13:50,157 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/buffer-series.wvr.bpl' [2023-10-12 17:13:50,185 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-10-12 17:13:50,186 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2023-10-12 17:13:50,187 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-10-12 17:13:50,187 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-10-12 17:13:50,187 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-10-12 17:13:50,196 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "buffer-series.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:13:50" (1/1) ... [2023-10-12 17:13:50,201 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "buffer-series.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:13:50" (1/1) ... [2023-10-12 17:13:50,206 INFO L138 Inliner]: procedures = 5, calls = 4, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2023-10-12 17:13:50,207 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-10-12 17:13:50,209 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-10-12 17:13:50,210 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-10-12 17:13:50,210 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-10-12 17:13:50,215 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "buffer-series.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:13:50" (1/1) ... [2023-10-12 17:13:50,215 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "buffer-series.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:13:50" (1/1) ... [2023-10-12 17:13:50,217 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "buffer-series.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:13:50" (1/1) ... [2023-10-12 17:13:50,217 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "buffer-series.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:13:50" (1/1) ... [2023-10-12 17:13:50,219 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "buffer-series.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:13:50" (1/1) ... [2023-10-12 17:13:50,220 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "buffer-series.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:13:50" (1/1) ... [2023-10-12 17:13:50,221 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "buffer-series.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:13:50" (1/1) ... [2023-10-12 17:13:50,222 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "buffer-series.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:13:50" (1/1) ... [2023-10-12 17:13:50,222 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-10-12 17:13:50,223 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-10-12 17:13:50,223 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-10-12 17:13:50,223 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-10-12 17:13:50,223 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "buffer-series.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:13:50" (1/1) ... [2023-10-12 17:13:50,228 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:13:50,238 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:13:50,250 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 17:13:50,253 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 17:13:50,272 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2023-10-12 17:13:50,273 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-10-12 17:13:50,273 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-10-12 17:13:50,273 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2023-10-12 17:13:50,273 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-10-12 17:13:50,273 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-10-12 17:13:50,273 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2023-10-12 17:13:50,273 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-10-12 17:13:50,273 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-10-12 17:13:50,274 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2023-10-12 17:13:50,274 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-10-12 17:13:50,274 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-10-12 17:13:50,274 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2023-10-12 17:13:50,274 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2023-10-12 17:13:50,274 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2023-10-12 17:13:50,275 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 17:13:50,313 INFO L236 CfgBuilder]: Building ICFG [2023-10-12 17:13:50,315 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-10-12 17:13:50,431 INFO L277 CfgBuilder]: Performing block encoding [2023-10-12 17:13:50,459 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-10-12 17:13:50,460 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-10-12 17:13:50,466 INFO L201 PluginConnector]: Adding new model buffer-series.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 05:13:50 BoogieIcfgContainer [2023-10-12 17:13:50,466 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-10-12 17:13:50,467 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-10-12 17:13:50,467 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-10-12 17:13:50,471 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-10-12 17:13:50,472 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-10-12 17:13:50,472 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "buffer-series.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:13:50" (1/2) ... [2023-10-12 17:13:50,473 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@47fa8f3 and model type buffer-series.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 12.10 05:13:50, skipping insertion in model container [2023-10-12 17:13:50,473 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-10-12 17:13:50,473 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "buffer-series.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 05:13:50" (2/2) ... [2023-10-12 17:13:50,474 INFO L332 chiAutomizerObserver]: Analyzing ICFG buffer-series.wvr.bpl [2023-10-12 17:13:50,544 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2023-10-12 17:13:50,564 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 44 places, 39 transitions, 110 flow [2023-10-12 17:13:50,580 INFO L124 PetriNetUnfolderBase]: 4/31 cut-off events. [2023-10-12 17:13:50,580 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2023-10-12 17:13:50,583 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 17:13:50,583 INFO L82 GeneralOperation]: Start removeDead. Operand has 44 places, 39 transitions, 110 flow [2023-10-12 17:13:50,586 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 40 places, 31 transitions, 86 flow [2023-10-12 17:13:50,589 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2023-10-12 17:13:50,598 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 40 places, 31 transitions, 86 flow [2023-10-12 17:13:50,600 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 40 places, 31 transitions, 86 flow [2023-10-12 17:13:50,601 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 40 places, 31 transitions, 86 flow [2023-10-12 17:13:50,607 INFO L124 PetriNetUnfolderBase]: 4/31 cut-off events. [2023-10-12 17:13:50,607 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2023-10-12 17:13:50,610 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 17:13:50,610 INFO L119 LiptonReduction]: Number of co-enabled transitions 350 [2023-10-12 17:13:50,789 INFO L134 LiptonReduction]: Checked pairs total: 505 [2023-10-12 17:13:50,790 INFO L136 LiptonReduction]: Total number of compositions: 9 [2023-10-12 17:13:50,803 INFO L305 stractBuchiCegarLoop]: Interprodecural is true [2023-10-12 17:13:50,803 INFO L306 stractBuchiCegarLoop]: Hoare is false [2023-10-12 17:13:50,803 INFO L307 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-10-12 17:13:50,803 INFO L308 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-10-12 17:13:50,803 INFO L309 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-10-12 17:13:50,803 INFO L310 stractBuchiCegarLoop]: Difference is false [2023-10-12 17:13:50,803 INFO L311 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-10-12 17:13:50,803 INFO L315 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-10-12 17:13:50,805 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand currently 0 states, but on-demand construction may add more states [2023-10-12 17:13:50,875 INFO L131 ngComponentsAnalysis]: Automaton has 37 accepting balls. 152 [2023-10-12 17:13:50,875 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-10-12 17:13:50,875 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-10-12 17:13:50,879 INFO L149 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-10-12 17:13:50,879 INFO L150 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-10-12 17:13:50,880 INFO L337 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-10-12 17:13:50,880 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand currently 163 states, but on-demand construction may add more states [2023-10-12 17:13:50,893 INFO L131 ngComponentsAnalysis]: Automaton has 37 accepting balls. 152 [2023-10-12 17:13:50,894 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-10-12 17:13:50,894 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-10-12 17:13:50,894 INFO L149 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-10-12 17:13:50,894 INFO L150 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-10-12 17:13:50,898 INFO L748 eck$LassoCheckResult]: Stem: 47#[$Ultimate##0]don't care [81] $Ultimate##0-->L73: Formula: (and (= v_i_6 0) (= v_q2_front_1 v_q2_back_4) (= v_q1_back_4 v_q1_front_1) (= v_j_6 0) (<= 0 v_N_5) (= v_total_1 0)) InVars {q1_front=v_q1_front_1, N=v_N_5, q2_back=v_q2_back_4, j=v_j_6, i=v_i_6, total=v_total_1, q1_back=v_q1_back_4, q2_front=v_q2_front_1} OutVars{q1_front=v_q1_front_1, N=v_N_5, q2_back=v_q2_back_4, j=v_j_6, i=v_i_6, total=v_total_1, q1_back=v_q1_back_4, q2_front=v_q2_front_1} AuxVars[] AssignedVars[] 50#[L73]don't care [106] L73-->L24: Formula: (= v_thread1Thread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_thidvar0] 52#[L73-1, L24]don't care [2023-10-12 17:13:50,898 INFO L750 eck$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#[L25-1, L73-1]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 17:13:50,909 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:13:50,909 INFO L85 PathProgramCache]: Analyzing trace with hash 3578, now seen corresponding path program 1 times [2023-10-12 17:13:50,915 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:13:50,915 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [913173651] [2023-10-12 17:13:50,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:13:50,916 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:13:51,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:13:51,006 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:13:51,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:13:51,025 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:13:51,027 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:13:51,028 INFO L85 PathProgramCache]: Analyzing trace with hash 4957, now seen corresponding path program 1 times [2023-10-12 17:13:51,028 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:13:51,029 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1548825591] [2023-10-12 17:13:51,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:13:51,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:13:51,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:13:51,048 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:13:51,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:13:51,054 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:13:51,055 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:13:51,055 INFO L85 PathProgramCache]: Analyzing trace with hash 3442454, now seen corresponding path program 1 times [2023-10-12 17:13:51,055 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:13:51,055 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1535689475] [2023-10-12 17:13:51,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:13:51,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:13:51,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:13:51,063 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:13:51,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:13:51,070 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:13:51,158 INFO L210 LassoAnalysis]: Preferences: [2023-10-12 17:13:51,159 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-10-12 17:13:51,159 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-10-12 17:13:51,159 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-10-12 17:13:51,159 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-10-12 17:13:51,159 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:13:51,160 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-10-12 17:13:51,160 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-10-12 17:13:51,160 INFO L133 ssoRankerPreferences]: Filename of dumped script: buffer-series.wvr.bpl_BEv2_Iteration1_Lasso [2023-10-12 17:13:51,160 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-10-12 17:13:51,160 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-10-12 17:13:51,180 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 17:13:51,188 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 17:13:51,208 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 17:13:51,211 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 17:13:51,214 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-10-12 17:13:51,311 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-10-12 17:13:51,314 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-10-12 17:13:51,315 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:13:51,316 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:13:51,319 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 17:13:51,323 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 17:13:51,351 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 17:13:51,358 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:13:51,359 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:13:51,359 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:13:51,359 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:13:51,365 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:13:51,365 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:13:51,385 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:13:51,389 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 17:13:51,389 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:13:51,389 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:13:51,390 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 17:13:51,400 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 17:13:51,400 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 17:13:51,407 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:13:51,408 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:13:51,408 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:13:51,408 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:13:51,412 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:13:51,412 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:13:51,429 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-10-12 17:13:51,437 INFO L443 ModelExtractionUtils]: Simplification made 7 calls to the SMT solver. [2023-10-12 17:13:51,438 INFO L444 ModelExtractionUtils]: 2 out of 10 variables were initially zero. Simplification set additionally 5 variables to zero. [2023-10-12 17:13:51,439 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:13:51,439 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:13:51,453 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 17:13:51,455 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 17:13:51,716 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-10-12 17:13:51,727 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-10-12 17:13:51,727 INFO L513 LassoAnalysis]: Proved termination. [2023-10-12 17:13:51,727 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(N, i) = 1*N - 1*i Supporting invariants [] [2023-10-12 17:13:51,739 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 17:13:51,742 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-10-12 17:13:51,769 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:13:51,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-10-12 17:13:51,783 INFO L262 TraceCheckSpWp]: Trace formula consists of 15 conjuncts, 2 conjunts are in the unsatisfiable core [2023-10-12 17:13:51,784 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-10-12 17:13:51,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-10-12 17:13:51,796 INFO L262 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 4 conjunts are in the unsatisfiable core [2023-10-12 17:13:51,797 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-10-12 17:13:51,809 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 17:13:51,834 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 17:13:51,836 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 17:13:51,969 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 17:13:51,971 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 17:13:51,974 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 17:13:51,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 65 transitions. [2023-10-12 17:13:51,975 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 65 transitions. Stem has 2 letters. Loop has 2 letters. [2023-10-12 17:13:51,976 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:13:51,976 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 65 transitions. Stem has 4 letters. Loop has 2 letters. [2023-10-12 17:13:51,976 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:13:51,976 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 65 transitions. Stem has 2 letters. Loop has 4 letters. [2023-10-12 17:13:51,977 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:13:51,977 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 534 states and 2142 transitions. [2023-10-12 17:13:51,989 INFO L131 ngComponentsAnalysis]: Automaton has 44 accepting balls. 144 [2023-10-12 17:13:51,999 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 534 states to 385 states and 1593 transitions. [2023-10-12 17:13:52,000 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 153 [2023-10-12 17:13:52,002 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 269 [2023-10-12 17:13:52,003 INFO L73 IsDeterministic]: Start isDeterministic. Operand 385 states and 1593 transitions. [2023-10-12 17:13:52,003 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-10-12 17:13:52,003 INFO L219 hiAutomatonCegarLoop]: Abstraction has 385 states and 1593 transitions. [2023-10-12 17:13:52,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 385 states and 1593 transitions. [2023-10-12 17:13:52,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 385 to 271. [2023-10-12 17:13:52,046 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 17:13:52,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 271 states and 1169 transitions. [2023-10-12 17:13:52,049 INFO L241 hiAutomatonCegarLoop]: Abstraction has 271 states and 1169 transitions. [2023-10-12 17:13:52,049 INFO L430 stractBuchiCegarLoop]: Abstraction has 271 states and 1169 transitions. [2023-10-12 17:13:52,049 INFO L337 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-10-12 17:13:52,049 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 271 states and 1169 transitions. [2023-10-12 17:13:52,052 INFO L131 ngComponentsAnalysis]: Automaton has 44 accepting balls. 144 [2023-10-12 17:13:52,052 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-10-12 17:13:52,052 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-10-12 17:13:52,052 INFO L149 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2023-10-12 17:13:52,052 INFO L150 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-10-12 17:13:52,053 INFO L748 eck$LassoCheckResult]: Stem: 1267#[$Ultimate##0]don't care [81] $Ultimate##0-->L73: Formula: (and (= v_i_6 0) (= v_q2_front_1 v_q2_back_4) (= v_q1_back_4 v_q1_front_1) (= v_j_6 0) (<= 0 v_N_5) (= v_total_1 0)) InVars {q1_front=v_q1_front_1, N=v_N_5, q2_back=v_q2_back_4, j=v_j_6, i=v_i_6, total=v_total_1, q1_back=v_q1_back_4, q2_front=v_q2_front_1} OutVars{q1_front=v_q1_front_1, N=v_N_5, q2_back=v_q2_back_4, j=v_j_6, i=v_i_6, total=v_total_1, q1_back=v_q1_back_4, q2_front=v_q2_front_1} AuxVars[] AssignedVars[] 1269#[L73]don't care [106] L73-->L24: Formula: (= v_thread1Thread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_thidvar0] 1459#[L73-1, L24]don't care [109] L73-1-->L36: Formula: (and (= 2 v_thread2Thread1of1ForFork1_thidvar1_2) (= 2 v_thread2Thread1of1ForFork1_thidvar0_2)) InVars {} OutVars{thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_2, thread2Thread1of1ForFork1_thidvar1=v_thread2Thread1of1ForFork1_thidvar1_2} AuxVars[] AssignedVars[thread2Thread1of1ForFork1_thidvar0, thread2Thread1of1ForFork1_thidvar1] 953#[L74, L36, L24]don't care [2023-10-12 17:13:52,053 INFO L750 eck$LassoCheckResult]: Loop: 953#[L74, L36, 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#[L37-1, L74, 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#[L74, L36, L24]don't care [2023-10-12 17:13:52,053 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:13:52,053 INFO L85 PathProgramCache]: Analyzing trace with hash 111027, now seen corresponding path program 1 times [2023-10-12 17:13:52,054 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:13:52,054 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [327907685] [2023-10-12 17:13:52,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:13:52,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:13:52,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:13:52,058 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:13:52,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:13:52,061 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:13:52,062 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:13:52,062 INFO L85 PathProgramCache]: Analyzing trace with hash 4807, now seen corresponding path program 1 times [2023-10-12 17:13:52,062 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:13:52,062 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [184277682] [2023-10-12 17:13:52,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:13:52,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:13:52,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:13:52,066 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:13:52,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:13:52,071 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:13:52,071 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:13:52,071 INFO L85 PathProgramCache]: Analyzing trace with hash 106700793, now seen corresponding path program 1 times [2023-10-12 17:13:52,071 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:13:52,072 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1654206101] [2023-10-12 17:13:52,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:13:52,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:13:52,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:13:52,081 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:13:52,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:13:52,088 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:13:52,158 INFO L210 LassoAnalysis]: Preferences: [2023-10-12 17:13:52,158 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-10-12 17:13:52,158 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-10-12 17:13:52,158 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-10-12 17:13:52,158 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-10-12 17:13:52,158 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:13:52,159 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-10-12 17:13:52,159 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-10-12 17:13:52,159 INFO L133 ssoRankerPreferences]: Filename of dumped script: buffer-series.wvr.bpl_BEv2_Iteration2_Lasso [2023-10-12 17:13:52,159 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-10-12 17:13:52,159 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-10-12 17:13:52,160 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 17:13:52,163 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 17:13:52,165 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 17:13:52,167 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 17:13:52,183 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 17:13:52,186 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-10-12 17:13:52,188 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 17:13:52,267 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2023-10-12 17:13:52,321 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-10-12 17:13:52,322 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-10-12 17:13:52,322 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:13:52,323 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:13:52,324 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 17:13:52,327 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 17:13:52,328 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 17:13:52,335 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:13:52,336 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:13:52,336 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:13:52,336 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:13:52,338 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:13:52,338 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:13:52,355 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:13:52,362 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 17:13:52,362 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:13:52,362 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:13:52,364 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 17:13:52,367 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 17:13:52,371 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 17:13:52,378 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:13:52,379 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:13:52,379 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:13:52,379 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:13:52,381 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:13:52,381 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:13:52,391 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:13:52,397 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 17:13:52,397 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:13:52,397 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:13:52,399 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 17:13:52,401 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 17:13:52,402 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 17:13:52,409 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:13:52,409 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:13:52,409 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:13:52,409 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:13:52,411 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:13:52,411 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:13:52,433 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:13:52,438 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2023-10-12 17:13:52,440 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:13:52,440 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:13:52,441 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 17:13:52,444 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 17:13:52,446 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 17:13:52,453 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:13:52,453 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-10-12 17:13:52,453 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:13:52,454 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:13:52,454 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:13:52,455 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-10-12 17:13:52,455 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-10-12 17:13:52,473 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:13:52,483 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 17:13:52,483 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:13:52,483 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:13:52,485 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 17:13:52,488 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 17:13:52,489 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 17:13:52,495 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:13:52,496 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:13:52,496 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:13:52,496 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:13:52,501 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:13:52,501 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:13:52,519 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-10-12 17:13:52,526 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2023-10-12 17:13:52,526 INFO L444 ModelExtractionUtils]: 3 out of 10 variables were initially zero. Simplification set additionally 4 variables to zero. [2023-10-12 17:13:52,526 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:13:52,526 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:13:52,527 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 17:13:52,530 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 17:13:52,531 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-10-12 17:13:52,566 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-10-12 17:13:52,567 INFO L513 LassoAnalysis]: Proved termination. [2023-10-12 17:13:52,567 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(j, N) = -1*j + 1*N Supporting invariants [] [2023-10-12 17:13:52,574 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2023-10-12 17:13:52,575 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-10-12 17:13:52,587 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:13:52,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-10-12 17:13:52,596 INFO L262 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 2 conjunts are in the unsatisfiable core [2023-10-12 17:13:52,596 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-10-12 17:13:52,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-10-12 17:13:52,607 INFO L262 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 4 conjunts are in the unsatisfiable core [2023-10-12 17:13:52,610 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-10-12 17:13:52,622 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 17:13:52,623 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 17:13:52,623 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 17:13:52,704 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 17:13:52,705 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 17:13:52,706 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 17:13:52,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 60 transitions. [2023-10-12 17:13:52,706 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 60 transitions. Stem has 3 letters. Loop has 2 letters. [2023-10-12 17:13:52,706 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:13:52,706 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 60 transitions. Stem has 5 letters. Loop has 2 letters. [2023-10-12 17:13:52,706 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:13:52,706 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 60 transitions. Stem has 3 letters. Loop has 4 letters. [2023-10-12 17:13:52,706 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:13:52,707 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 954 states and 4146 transitions. [2023-10-12 17:13:52,719 INFO L131 ngComponentsAnalysis]: Automaton has 49 accepting balls. 124 [2023-10-12 17:13:52,728 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 954 states to 697 states and 3068 transitions. [2023-10-12 17:13:52,729 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 231 [2023-10-12 17:13:52,730 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 362 [2023-10-12 17:13:52,730 INFO L73 IsDeterministic]: Start isDeterministic. Operand 697 states and 3068 transitions. [2023-10-12 17:13:52,730 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-10-12 17:13:52,730 INFO L219 hiAutomatonCegarLoop]: Abstraction has 697 states and 3068 transitions. [2023-10-12 17:13:52,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 697 states and 3068 transitions. [2023-10-12 17:13:52,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 697 to 566. [2023-10-12 17:13:52,749 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 17:13:52,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 566 states to 566 states and 2643 transitions. [2023-10-12 17:13:52,752 INFO L241 hiAutomatonCegarLoop]: Abstraction has 566 states and 2643 transitions. [2023-10-12 17:13:52,752 INFO L430 stractBuchiCegarLoop]: Abstraction has 566 states and 2643 transitions. [2023-10-12 17:13:52,752 INFO L337 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2023-10-12 17:13:52,752 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 566 states and 2643 transitions. [2023-10-12 17:13:52,756 INFO L131 ngComponentsAnalysis]: Automaton has 49 accepting balls. 124 [2023-10-12 17:13:52,756 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-10-12 17:13:52,756 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-10-12 17:13:52,756 INFO L149 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2023-10-12 17:13:52,756 INFO L150 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-10-12 17:13:52,759 INFO L748 eck$LassoCheckResult]: Stem: 2827#[$Ultimate##0]don't care [81] $Ultimate##0-->L73: Formula: (and (= v_i_6 0) (= v_q2_front_1 v_q2_back_4) (= v_q1_back_4 v_q1_front_1) (= v_j_6 0) (<= 0 v_N_5) (= v_total_1 0)) InVars {q1_front=v_q1_front_1, N=v_N_5, q2_back=v_q2_back_4, j=v_j_6, i=v_i_6, total=v_total_1, q1_back=v_q1_back_4, q2_front=v_q2_front_1} OutVars{q1_front=v_q1_front_1, N=v_N_5, q2_back=v_q2_back_4, j=v_j_6, i=v_i_6, total=v_total_1, q1_back=v_q1_back_4, q2_front=v_q2_front_1} AuxVars[] AssignedVars[] 2829#[L73]don't care [106] L73-->L24: Formula: (= v_thread1Thread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_thidvar0] 3103#[L73-1, L24]don't care [109] L73-1-->L36: Formula: (and (= 2 v_thread2Thread1of1ForFork1_thidvar1_2) (= 2 v_thread2Thread1of1ForFork1_thidvar0_2)) InVars {} OutVars{thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_2, thread2Thread1of1ForFork1_thidvar1=v_thread2Thread1of1ForFork1_thidvar1_2} AuxVars[] AssignedVars[thread2Thread1of1ForFork1_thidvar0, thread2Thread1of1ForFork1_thidvar1] 3023#[L74, L36, L24]don't care [112] L74-->L49-1: Formula: (and (= 3 v_thread3Thread1of1ForFork2_thidvar0_2) (= 3 v_thread3Thread1of1ForFork2_thidvar1_2) (= 3 v_thread3Thread1of1ForFork2_thidvar2_2)) InVars {} OutVars{thread3Thread1of1ForFork2_thidvar2=v_thread3Thread1of1ForFork2_thidvar2_2, thread3Thread1of1ForFork2_thidvar1=v_thread3Thread1of1ForFork2_thidvar1_2, thread3Thread1of1ForFork2_thidvar0=v_thread3Thread1of1ForFork2_thidvar0_2} AuxVars[] AssignedVars[thread3Thread1of1ForFork2_thidvar2, thread3Thread1of1ForFork2_thidvar1, thread3Thread1of1ForFork2_thidvar0] 2691#[L24, L49-1, L36, L75]don't care [2023-10-12 17:13:52,760 INFO L750 eck$LassoCheckResult]: Loop: 2691#[L24, L49-1, L36, L75]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, L36, L75, L49]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, L49-1, L36, L75]don't care [2023-10-12 17:13:52,760 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:13:52,760 INFO L85 PathProgramCache]: Analyzing trace with hash 3441949, now seen corresponding path program 1 times [2023-10-12 17:13:52,760 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:13:52,760 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [98396127] [2023-10-12 17:13:52,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:13:52,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:13:52,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:13:52,772 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:13:52,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:13:52,778 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:13:52,779 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:13:52,779 INFO L85 PathProgramCache]: Analyzing trace with hash 4067, now seen corresponding path program 1 times [2023-10-12 17:13:52,779 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:13:52,779 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1459673331] [2023-10-12 17:13:52,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:13:52,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:13:52,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:13:52,795 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:13:52,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:13:52,811 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:13:52,812 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:13:52,812 INFO L85 PathProgramCache]: Analyzing trace with hash -987251201, now seen corresponding path program 1 times [2023-10-12 17:13:52,812 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:13:52,812 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [772596613] [2023-10-12 17:13:52,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:13:52,812 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:13:52,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-10-12 17:13:52,858 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 17:13:52,858 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-10-12 17:13:52,859 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [772596613] [2023-10-12 17:13:52,859 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [772596613] provided 1 perfect and 0 imperfect interpolant sequences [2023-10-12 17:13:52,859 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-10-12 17:13:52,859 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-10-12 17:13:52,859 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1743228649] [2023-10-12 17:13:52,860 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-10-12 17:13:52,887 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-10-12 17:13:52,889 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-10-12 17:13:52,889 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-10-12 17:13:52,890 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 17:13:52,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-10-12 17:13:52,944 INFO L93 Difference]: Finished difference Result 839 states and 3757 transitions. [2023-10-12 17:13:52,944 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 839 states and 3757 transitions. [2023-10-12 17:13:52,953 INFO L131 ngComponentsAnalysis]: Automaton has 80 accepting balls. 186 [2023-10-12 17:13:52,961 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 839 states to 813 states and 3662 transitions. [2023-10-12 17:13:52,961 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 325 [2023-10-12 17:13:52,962 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 325 [2023-10-12 17:13:52,962 INFO L73 IsDeterministic]: Start isDeterministic. Operand 813 states and 3662 transitions. [2023-10-12 17:13:52,962 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-10-12 17:13:52,962 INFO L219 hiAutomatonCegarLoop]: Abstraction has 813 states and 3662 transitions. [2023-10-12 17:13:52,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 813 states and 3662 transitions. [2023-10-12 17:13:52,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 813 to 743. [2023-10-12 17:13:52,984 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 17:13:52,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 743 states to 743 states and 3423 transitions. [2023-10-12 17:13:52,987 INFO L241 hiAutomatonCegarLoop]: Abstraction has 743 states and 3423 transitions. [2023-10-12 17:13:52,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-10-12 17:13:52,988 INFO L430 stractBuchiCegarLoop]: Abstraction has 743 states and 3423 transitions. [2023-10-12 17:13:52,988 INFO L337 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2023-10-12 17:13:52,988 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 743 states and 3423 transitions. [2023-10-12 17:13:52,993 INFO L131 ngComponentsAnalysis]: Automaton has 69 accepting balls. 164 [2023-10-12 17:13:52,994 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-10-12 17:13:52,994 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-10-12 17:13:52,994 INFO L149 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2023-10-12 17:13:52,994 INFO L150 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-10-12 17:13:52,994 INFO L748 eck$LassoCheckResult]: Stem: 4788#[$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[] 4790#[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] 5166#[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] 5036#[L74, L36, 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] 5038#[L24, L49-1, L36, L75]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] 4736#[L61-1, L49-1, L76, L36, L24]don't care [2023-10-12 17:13:52,995 INFO L750 eck$LassoCheckResult]: Loop: 4736#[L61-1, L49-1, L76, L36, 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[] 4732#[L49-1, L76, L36, L24, L61]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] 4736#[L61-1, L49-1, L76, L36, L24]don't care [2023-10-12 17:13:52,995 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:13:52,995 INFO L85 PathProgramCache]: Analyzing trace with hash 106700534, now seen corresponding path program 1 times [2023-10-12 17:13:52,995 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:13:52,995 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1217545711] [2023-10-12 17:13:52,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:13:52,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:13:52,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:13:53,000 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:13:53,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:13:53,017 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:13:53,018 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:13:53,018 INFO L85 PathProgramCache]: Analyzing trace with hash 4195, now seen corresponding path program 1 times [2023-10-12 17:13:53,018 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:13:53,018 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1690910148] [2023-10-12 17:13:53,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:13:53,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:13:53,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:13:53,021 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:13:53,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:13:53,023 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:13:53,024 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:13:53,024 INFO L85 PathProgramCache]: Analyzing trace with hash -539998696, now seen corresponding path program 1 times [2023-10-12 17:13:53,024 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:13:53,024 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1440986419] [2023-10-12 17:13:53,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:13:53,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:13:53,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-10-12 17:13:53,060 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 17:13:53,061 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-10-12 17:13:53,061 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1440986419] [2023-10-12 17:13:53,061 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1440986419] provided 1 perfect and 0 imperfect interpolant sequences [2023-10-12 17:13:53,061 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-10-12 17:13:53,061 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-10-12 17:13:53,061 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [753831008] [2023-10-12 17:13:53,061 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-10-12 17:13:53,081 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-10-12 17:13:53,082 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-10-12 17:13:53,082 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-10-12 17:13:53,082 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 17:13:53,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-10-12 17:13:53,113 INFO L93 Difference]: Finished difference Result 1115 states and 4878 transitions. [2023-10-12 17:13:53,113 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1115 states and 4878 transitions. [2023-10-12 17:13:53,125 INFO L131 ngComponentsAnalysis]: Automaton has 102 accepting balls. 230 [2023-10-12 17:13:53,134 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1115 states to 1076 states and 4736 transitions. [2023-10-12 17:13:53,134 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 443 [2023-10-12 17:13:53,135 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 443 [2023-10-12 17:13:53,135 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1076 states and 4736 transitions. [2023-10-12 17:13:53,135 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-10-12 17:13:53,136 INFO L219 hiAutomatonCegarLoop]: Abstraction has 1076 states and 4736 transitions. [2023-10-12 17:13:53,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1076 states and 4736 transitions. [2023-10-12 17:13:53,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1076 to 1014. [2023-10-12 17:13:53,156 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 17:13:53,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1014 states to 1014 states and 4540 transitions. [2023-10-12 17:13:53,160 INFO L241 hiAutomatonCegarLoop]: Abstraction has 1014 states and 4540 transitions. [2023-10-12 17:13:53,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-10-12 17:13:53,161 INFO L430 stractBuchiCegarLoop]: Abstraction has 1014 states and 4540 transitions. [2023-10-12 17:13:53,161 INFO L337 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2023-10-12 17:13:53,161 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 1014 states and 4540 transitions. [2023-10-12 17:13:53,168 INFO L131 ngComponentsAnalysis]: Automaton has 93 accepting balls. 212 [2023-10-12 17:13:53,168 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-10-12 17:13:53,168 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-10-12 17:13:53,169 INFO L149 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2023-10-12 17:13:53,169 INFO L150 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-10-12 17:13:53,169 INFO L748 eck$LassoCheckResult]: Stem: 7393#[$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[] 7395#[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] 7759#[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] 7813#[L74, L36, 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] 8785#[L24, L49-1, L36, L75]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] 8769#[L49-1, L25-1, L36, L75]don't care [2023-10-12 17:13:53,170 INFO L750 eck$LassoCheckResult]: Loop: 8769#[L49-1, L25-1, L36, L75]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[] 7261#[L25-1, L36, L75, L49]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] 8769#[L49-1, L25-1, L36, L75]don't care [2023-10-12 17:13:53,170 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:13:53,170 INFO L85 PathProgramCache]: Analyzing trace with hash 106700545, now seen corresponding path program 1 times [2023-10-12 17:13:53,170 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:13:53,170 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1248024652] [2023-10-12 17:13:53,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:13:53,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:13:53,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:13:53,180 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:13:53,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:13:53,184 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:13:53,185 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:13:53,185 INFO L85 PathProgramCache]: Analyzing trace with hash 4067, now seen corresponding path program 2 times [2023-10-12 17:13:53,185 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:13:53,185 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1656739905] [2023-10-12 17:13:53,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:13:53,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:13:53,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:13:53,188 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:13:53,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:13:53,190 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:13:53,190 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:13:53,190 INFO L85 PathProgramCache]: Analyzing trace with hash -539988253, now seen corresponding path program 1 times [2023-10-12 17:13:53,191 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:13:53,191 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1305201147] [2023-10-12 17:13:53,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:13:53,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:13:53,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:13:53,195 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:13:53,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:13:53,199 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:13:53,259 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2023-10-12 17:13:53,338 INFO L210 LassoAnalysis]: Preferences: [2023-10-12 17:13:53,338 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-10-12 17:13:53,338 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-10-12 17:13:53,338 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-10-12 17:13:53,338 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-10-12 17:13:53,338 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:13:53,338 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-10-12 17:13:53,338 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-10-12 17:13:53,338 INFO L133 ssoRankerPreferences]: Filename of dumped script: buffer-series.wvr.bpl_BEv2_Iteration5_Lasso [2023-10-12 17:13:53,338 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-10-12 17:13:53,338 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-10-12 17:13:53,339 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 17:13:53,342 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 17:13:53,344 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 17:13:53,346 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 17:13:53,348 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-10-12 17:13:53,349 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 17:13:53,351 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 17:13:53,354 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 17:13:53,356 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 17:13:53,358 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 17:13:53,360 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 17:13:53,491 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-10-12 17:13:53,491 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-10-12 17:13:53,491 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:13:53,491 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:13:53,492 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 17:13:53,499 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 17:13:53,499 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 17:13:53,505 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:13:53,505 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:13:53,505 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:13:53,505 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:13:53,509 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:13:53,509 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:13:53,523 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:13:53,527 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 17:13:53,527 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:13:53,527 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:13:53,537 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 17:13:53,539 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 17:13:53,541 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 17:13:53,547 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:13:53,547 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:13:53,547 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:13:53,547 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:13:53,548 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:13:53,548 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:13:53,564 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:13:53,567 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 17:13:53,568 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:13:53,568 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:13:53,573 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 17:13:53,579 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 17:13:53,584 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 17:13:53,585 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:13:53,585 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:13:53,585 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:13:53,585 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:13:53,587 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:13:53,587 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:13:53,603 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:13:53,612 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 17:13:53,612 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:13:53,613 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:13:53,613 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 17:13:53,615 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 17:13:53,617 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 17:13:53,622 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:13:53,622 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:13:53,622 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:13:53,622 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:13:53,624 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:13:53,624 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:13:53,639 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:13:53,644 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 17:13:53,644 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:13:53,644 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:13:53,645 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 17:13:53,645 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 17:13:53,648 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 17:13:53,653 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:13:53,653 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:13:53,653 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:13:53,654 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:13:53,658 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:13:53,658 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:13:53,668 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:13:53,672 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 17:13:53,673 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:13:53,673 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:13:53,673 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 17:13:53,675 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 17:13:53,676 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-10-12 17:13:53,682 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:13:53,682 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:13:53,682 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:13:53,682 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:13:53,683 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:13:53,683 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:13:53,704 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:13:53,709 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 17:13:53,709 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:13:53,710 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:13:53,710 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 17:13:53,716 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 17:13:53,716 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 17:13:53,722 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:13:53,723 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:13:53,723 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:13:53,723 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:13:53,724 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:13:53,724 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:13:53,739 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:13:53,744 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 17:13:53,744 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:13:53,744 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:13:53,746 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 17:13:53,764 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 17:13:53,771 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:13:53,771 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:13:53,771 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:13:53,771 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:13:53,773 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:13:53,773 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:13:53,776 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 17:13:53,789 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:13:53,793 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 17:13:53,794 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:13:53,794 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:13:53,795 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 17:13:53,797 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 17:13:53,799 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 17:13:53,805 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:13:53,806 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:13:53,806 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:13:53,806 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:13:53,807 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:13:53,807 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:13:53,833 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:13:53,835 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 17:13:53,835 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:13:53,836 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:13:53,836 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 17:13:53,842 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 17:13:53,842 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 17:13:53,848 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:13:53,848 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:13:53,848 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:13:53,848 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:13:53,850 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:13:53,850 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:13:53,868 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:13:53,874 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 17:13:53,874 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:13:53,875 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:13:53,876 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 17:13:53,881 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 17:13:53,881 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 17:13:53,887 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:13:53,887 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:13:53,887 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:13:53,887 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:13:53,889 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:13:53,890 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:13:53,905 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:13:53,913 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 17:13:53,914 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:13:53,914 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:13:53,915 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 17:13:53,915 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 17:13:53,919 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 17:13:53,925 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:13:53,925 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:13:53,925 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:13:53,925 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:13:53,927 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:13:53,928 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:13:53,938 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-10-12 17:13:53,950 INFO L443 ModelExtractionUtils]: Simplification made 7 calls to the SMT solver. [2023-10-12 17:13:53,950 INFO L444 ModelExtractionUtils]: 0 out of 10 variables were initially zero. Simplification set additionally 7 variables to zero. [2023-10-12 17:13:53,950 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:13:53,950 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:13:53,951 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 17:13:53,953 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 17:13:53,954 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-10-12 17:13:53,960 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-10-12 17:13:53,960 INFO L513 LassoAnalysis]: Proved termination. [2023-10-12 17:13:53,960 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 17:13:53,972 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 17:13:53,973 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-10-12 17:13:53,993 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:13:54,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-10-12 17:13:54,007 INFO L262 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 2 conjunts are in the unsatisfiable core [2023-10-12 17:13:54,007 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-10-12 17:13:54,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-10-12 17:13:54,017 WARN L260 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core [2023-10-12 17:13:54,017 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-10-12 17:13:54,018 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 17:13:54,019 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 17:13:54,019 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 17:13:54,091 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 17:13:54,092 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 17:13:54,093 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 17:13:54,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 51 transitions. [2023-10-12 17:13:54,093 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 51 transitions. Stem has 5 letters. Loop has 2 letters. [2023-10-12 17:13:54,094 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:13:54,094 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 51 transitions. Stem has 7 letters. Loop has 2 letters. [2023-10-12 17:13:54,094 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:13:54,094 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 51 transitions. Stem has 5 letters. Loop has 4 letters. [2023-10-12 17:13:54,094 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:13:54,094 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 3399 states and 14910 transitions. [2023-10-12 17:13:54,126 INFO L131 ngComponentsAnalysis]: Automaton has 144 accepting balls. 314 [2023-10-12 17:13:54,154 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 3399 states to 2922 states and 12779 transitions. [2023-10-12 17:13:54,154 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 885 [2023-10-12 17:13:54,156 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 1051 [2023-10-12 17:13:54,157 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2922 states and 12779 transitions. [2023-10-12 17:13:54,157 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-10-12 17:13:54,157 INFO L219 hiAutomatonCegarLoop]: Abstraction has 2922 states and 12779 transitions. [2023-10-12 17:13:54,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2922 states and 12779 transitions. [2023-10-12 17:13:54,203 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2922 to 2242. [2023-10-12 17:13:54,208 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 17:13:54,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2242 states to 2242 states and 10503 transitions. [2023-10-12 17:13:54,216 INFO L241 hiAutomatonCegarLoop]: Abstraction has 2242 states and 10503 transitions. [2023-10-12 17:13:54,216 INFO L430 stractBuchiCegarLoop]: Abstraction has 2242 states and 10503 transitions. [2023-10-12 17:13:54,216 INFO L337 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2023-10-12 17:13:54,217 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 2242 states and 10503 transitions. [2023-10-12 17:13:54,230 INFO L131 ngComponentsAnalysis]: Automaton has 105 accepting balls. 236 [2023-10-12 17:13:54,230 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-10-12 17:13:54,230 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-10-12 17:13:54,231 INFO L149 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2023-10-12 17:13:54,231 INFO L150 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-10-12 17:13:54,232 INFO L748 eck$LassoCheckResult]: Stem: 12852#[$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[] 12854#[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] 13342#[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] 13166#[L74, L36, 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] 13170#[L24, L49-1, L36, L75]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#[L61-1, L49-1, L76, L36, 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#[L61-1, L49-1, L76, L37-1, L24]don't care [2023-10-12 17:13:54,232 INFO L750 eck$LassoCheckResult]: Loop: 12828#[L61-1, L49-1, L76, L37-1, 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[] 16470#[L49-1, L76, L37-1, L24, L61]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#[L61-1, L49-1, L76, L37-1, L24]don't care [2023-10-12 17:13:54,233 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:13:54,233 INFO L85 PathProgramCache]: Analyzing trace with hash -987250621, now seen corresponding path program 1 times [2023-10-12 17:13:54,233 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:13:54,233 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1812040088] [2023-10-12 17:13:54,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:13:54,233 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:13:54,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:13:54,245 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:13:54,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:13:54,278 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:13:54,278 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:13:54,278 INFO L85 PathProgramCache]: Analyzing trace with hash 4195, now seen corresponding path program 2 times [2023-10-12 17:13:54,279 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:13:54,279 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [122236337] [2023-10-12 17:13:54,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:13:54,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:13:54,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:13:54,281 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:13:54,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:13:54,283 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:13:54,284 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:13:54,284 INFO L85 PathProgramCache]: Analyzing trace with hash 439928869, now seen corresponding path program 1 times [2023-10-12 17:13:54,284 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:13:54,284 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [444394489] [2023-10-12 17:13:54,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:13:54,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:13:54,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:13:54,289 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:13:54,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:13:54,294 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:13:54,295 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 17:13:54,455 INFO L210 LassoAnalysis]: Preferences: [2023-10-12 17:13:54,455 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-10-12 17:13:54,456 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-10-12 17:13:54,456 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-10-12 17:13:54,456 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-10-12 17:13:54,456 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:13:54,456 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-10-12 17:13:54,456 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-10-12 17:13:54,456 INFO L133 ssoRankerPreferences]: Filename of dumped script: buffer-series.wvr.bpl_BEv2_Iteration6_Lasso [2023-10-12 17:13:54,456 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-10-12 17:13:54,456 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-10-12 17:13:54,457 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 17:13:54,460 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 17:13:54,462 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 17:13:54,465 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 17:13:54,466 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 17:13:54,468 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-10-12 17:13:54,470 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 17:13:54,472 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 17:13:54,475 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 17:13:54,477 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 17:13:54,478 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 17:13:54,493 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 17:13:54,495 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-10-12 17:13:54,497 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-10-12 17:13:54,498 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 17:13:54,606 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-10-12 17:13:54,606 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-10-12 17:13:54,606 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:13:54,607 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:13:54,607 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 17:13:54,621 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 17:13:54,628 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:13:54,628 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:13:54,628 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:13:54,628 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:13:54,629 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 17:13:54,632 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 17:13:54,644 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:13:54,648 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Ended with exit code 0 [2023-10-12 17:13:54,648 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:13:54,648 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:13:54,649 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 17:13:54,650 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 17:13:54,674 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 17:13:54,681 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:13:54,681 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:13:54,682 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:13:54,682 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:13:54,683 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:13:54,683 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:13:54,701 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:13:54,706 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 17:13:54,706 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:13:54,706 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:13:54,707 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 17:13:54,721 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 17:13:54,746 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 17:13:54,754 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:13:54,754 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:13:54,754 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:13:54,754 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:13:54,755 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:13:54,755 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:13:54,766 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:13:54,769 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 17:13:54,770 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:13:54,770 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:13:54,771 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 17:13:54,773 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 17:13:54,774 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 17:13:54,783 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:13:54,783 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:13:54,783 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:13:54,783 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:13:54,784 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:13:54,784 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:13:54,793 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:13:54,799 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 17:13:54,799 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:13:54,799 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:13:54,800 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 17:13:54,802 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 17:13:54,804 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 17:13:54,810 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:13:54,811 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:13:54,811 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:13:54,811 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:13:54,812 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:13:54,812 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:13:54,826 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:13:54,831 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 17:13:54,832 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:13:54,832 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:13:54,841 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 17:13:54,843 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 17:13:54,844 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 17:13:54,851 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:13:54,851 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:13:54,851 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:13:54,851 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:13:54,852 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:13:54,852 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:13:54,867 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:13:54,872 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 17:13:54,872 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:13:54,873 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:13:54,873 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 17:13:54,875 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 17:13:54,877 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 17:13:54,883 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:13:54,883 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:13:54,883 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:13:54,883 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:13:54,884 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:13:54,884 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:13:54,887 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:13:54,889 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Ended with exit code 0 [2023-10-12 17:13:54,890 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:13:54,890 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:13:54,890 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 17:13:54,891 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 17:13:54,894 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 17:13:54,900 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:13:54,900 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:13:54,900 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:13:54,900 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:13:54,901 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:13:54,901 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:13:54,919 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:13:54,922 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Ended with exit code 0 [2023-10-12 17:13:54,922 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:13:54,922 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:13:54,925 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 17:13:54,926 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 17:13:54,930 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 17:13:54,936 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:13:54,936 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:13:54,936 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:13:54,936 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:13:54,937 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:13:54,937 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:13:54,947 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:13:54,952 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2023-10-12 17:13:54,961 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:13:54,961 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:13:55,116 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 17:13:55,117 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 17:13:55,119 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 17:13:55,126 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:13:55,126 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:13:55,126 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:13:55,126 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:13:55,127 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:13:55,127 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:13:55,137 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:13:55,149 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 17:13:55,149 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:13:55,149 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:13:55,150 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 17:13:55,152 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 17:13:55,153 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 17:13:55,162 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:13:55,162 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:13:55,162 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:13:55,162 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:13:55,165 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:13:55,165 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:13:55,179 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:13:55,195 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 17:13:55,195 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:13:55,195 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:13:55,196 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 17:13:55,199 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 17:13:55,200 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 17:13:55,207 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:13:55,207 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:13:55,207 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:13:55,207 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:13:55,209 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:13:55,209 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:13:55,223 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-10-12 17:13:55,232 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2023-10-12 17:13:55,232 INFO L444 ModelExtractionUtils]: 0 out of 10 variables were initially zero. Simplification set additionally 7 variables to zero. [2023-10-12 17:13:55,232 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:13:55,232 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:13:55,279 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 17:13:55,281 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 17:13:55,282 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-10-12 17:13:55,290 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-10-12 17:13:55,290 INFO L513 LassoAnalysis]: Proved termination. [2023-10-12 17:13:55,290 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 17:13:55,295 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 17:13:55,296 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-10-12 17:13:55,310 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:13:55,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-10-12 17:13:55,319 INFO L262 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 2 conjunts are in the unsatisfiable core [2023-10-12 17:13:55,319 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-10-12 17:13:55,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-10-12 17:13:55,329 WARN L260 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core [2023-10-12 17:13:55,330 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-10-12 17:13:55,331 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 17:13:55,332 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 17:13:55,332 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 17:13:55,438 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 17:13:55,439 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 17:13:55,439 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 17:13:55,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 49 transitions. [2023-10-12 17:13:55,439 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 49 transitions. Stem has 6 letters. Loop has 2 letters. [2023-10-12 17:13:55,439 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:13:55,439 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 49 transitions. Stem has 8 letters. Loop has 2 letters. [2023-10-12 17:13:55,440 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:13:55,440 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 49 transitions. Stem has 6 letters. Loop has 4 letters. [2023-10-12 17:13:55,440 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:13:55,440 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 7308 states and 33175 transitions. [2023-10-12 17:13:55,545 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 17:13:55,558 INFO L131 ngComponentsAnalysis]: Automaton has 162 accepting balls. 350 [2023-10-12 17:13:55,636 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 7308 states to 6199 states and 28191 transitions. [2023-10-12 17:13:55,636 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 1525 [2023-10-12 17:13:55,640 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 1673 [2023-10-12 17:13:55,640 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6199 states and 28191 transitions. [2023-10-12 17:13:55,640 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-10-12 17:13:55,640 INFO L219 hiAutomatonCegarLoop]: Abstraction has 6199 states and 28191 transitions. [2023-10-12 17:13:55,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6199 states and 28191 transitions. [2023-10-12 17:13:55,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6199 to 5132. [2023-10-12 17:13:55,761 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 17:13:55,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5132 states to 5132 states and 24385 transitions. [2023-10-12 17:13:55,782 INFO L241 hiAutomatonCegarLoop]: Abstraction has 5132 states and 24385 transitions. [2023-10-12 17:13:55,782 INFO L430 stractBuchiCegarLoop]: Abstraction has 5132 states and 24385 transitions. [2023-10-12 17:13:55,782 INFO L337 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2023-10-12 17:13:55,782 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 5132 states and 24385 transitions. [2023-10-12 17:13:55,812 INFO L131 ngComponentsAnalysis]: Automaton has 127 accepting balls. 280 [2023-10-12 17:13:55,812 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-10-12 17:13:55,812 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-10-12 17:13:55,813 INFO L149 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1] [2023-10-12 17:13:55,813 INFO L150 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-10-12 17:13:55,813 INFO L748 eck$LassoCheckResult]: Stem: 24641#[$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[] 24643#[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] 25165#[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] 25269#[L74, L36, 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] 28339#[L24, L49-1, L36, L75]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] 32603#[L49-1, L25-1, L36, L75]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] 32589#[L24, L49-1, L36, L75]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] 30471#[L49-1, L25-1, L36, L75]don't care [2023-10-12 17:13:55,813 INFO L750 eck$LassoCheckResult]: Loop: 30471#[L49-1, L25-1, L36, L75]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[] 24531#[L25-1, L36, L75, L49]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] 30471#[L49-1, L25-1, L36, L75]don't care [2023-10-12 17:13:55,814 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:13:55,814 INFO L85 PathProgramCache]: Analyzing trace with hash -539988443, now seen corresponding path program 1 times [2023-10-12 17:13:55,814 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:13:55,814 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [922858059] [2023-10-12 17:13:55,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:13:55,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:13:55,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:13:55,820 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:13:55,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:13:55,827 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:13:55,827 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:13:55,827 INFO L85 PathProgramCache]: Analyzing trace with hash 4067, now seen corresponding path program 3 times [2023-10-12 17:13:55,827 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:13:55,827 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [707907066] [2023-10-12 17:13:55,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:13:55,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:13:55,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:13:55,830 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:13:55,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:13:55,833 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:13:55,835 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:13:55,835 INFO L85 PathProgramCache]: Analyzing trace with hash 762152199, now seen corresponding path program 1 times [2023-10-12 17:13:55,835 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:13:55,835 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1362285771] [2023-10-12 17:13:55,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:13:55,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:13:55,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:13:55,848 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:13:55,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:13:55,857 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:13:55,990 INFO L210 LassoAnalysis]: Preferences: [2023-10-12 17:13:55,990 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-10-12 17:13:55,990 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-10-12 17:13:55,990 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-10-12 17:13:55,990 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-10-12 17:13:55,990 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:13:55,990 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-10-12 17:13:55,990 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-10-12 17:13:55,990 INFO L133 ssoRankerPreferences]: Filename of dumped script: buffer-series.wvr.bpl_BEv2_Iteration7_Lasso [2023-10-12 17:13:55,990 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-10-12 17:13:55,990 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-10-12 17:13:55,993 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 17:13:55,995 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 17:13:55,997 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 17:13:56,019 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 17:13:56,021 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 17:13:56,023 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 17:13:56,025 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 17:13:56,026 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 17:13:56,028 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 17:13:56,031 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 17:13:56,032 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 17:13:56,137 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-10-12 17:13:56,138 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-10-12 17:13:56,138 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:13:56,138 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:13:56,150 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 17:13:56,165 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 17:13:56,171 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:13:56,172 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:13:56,172 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:13:56,172 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:13:56,173 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:13:56,173 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:13:56,176 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 17:13:56,185 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:13:56,189 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 17:13:56,190 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:13:56,190 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:13:56,190 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 17:13:56,192 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 17:13:56,194 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 17:13:56,199 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:13:56,199 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:13:56,199 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:13:56,199 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:13:56,201 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:13:56,201 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:13:56,212 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:13:56,217 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 17:13:56,217 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:13:56,218 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:13:56,222 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 17:13:56,227 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 17:13:56,233 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:13:56,233 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:13:56,233 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:13:56,233 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:13:56,234 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:13:56,234 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:13:56,236 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 17:13:56,249 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:13:56,253 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2023-10-12 17:13:56,253 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:13:56,254 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:13:56,254 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 17:13:56,260 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 17:13:56,266 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:13:56,266 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:13:56,266 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:13:56,266 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:13:56,268 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:13:56,269 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:13:56,291 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 17:13:56,305 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:13:56,309 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 17:13:56,309 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:13:56,309 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:13:56,310 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 17:13:56,321 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 17:13:56,327 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:13:56,327 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:13:56,327 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:13:56,327 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:13:56,328 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 17:13:56,329 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:13:56,329 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:13:56,340 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-10-12 17:13:56,345 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2023-10-12 17:13:56,345 INFO L444 ModelExtractionUtils]: 2 out of 10 variables were initially zero. Simplification set additionally 5 variables to zero. [2023-10-12 17:13:56,345 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:13:56,345 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:13:56,346 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 17:13:56,349 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-10-12 17:13:56,360 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 17:13:56,373 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-10-12 17:13:56,374 INFO L513 LassoAnalysis]: Proved termination. [2023-10-12 17:13:56,374 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 17:13:56,379 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 17:13:56,382 INFO L156 tatePredicateManager]: 2 out of 2 supporting invariants were superfluous and have been removed [2023-10-12 17:13:56,391 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:13:56,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-10-12 17:13:56,400 INFO L262 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 2 conjunts are in the unsatisfiable core [2023-10-12 17:13:56,400 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-10-12 17:13:56,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-10-12 17:13:56,413 WARN L260 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core [2023-10-12 17:13:56,413 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-10-12 17:13:56,415 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 17:13:56,415 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 17:13:56,415 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 17:13:56,538 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 17:13:56,538 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 17:13:56,539 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 17:13:56,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 51 transitions. [2023-10-12 17:13:56,539 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 51 transitions. Stem has 7 letters. Loop has 2 letters. [2023-10-12 17:13:56,540 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:13:56,540 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2023-10-12 17:13:56,547 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:13:56,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-10-12 17:13:56,553 INFO L262 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 2 conjunts are in the unsatisfiable core [2023-10-12 17:13:56,553 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-10-12 17:13:56,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-10-12 17:13:56,563 WARN L260 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core [2023-10-12 17:13:56,563 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-10-12 17:13:56,564 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 17:13:56,565 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 17:13:56,565 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 17:13:56,668 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 17:13:56,668 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 17:13:56,670 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 17:13:56,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 51 transitions. [2023-10-12 17:13:56,670 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 51 transitions. Stem has 7 letters. Loop has 2 letters. [2023-10-12 17:13:56,670 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:13:56,670 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2023-10-12 17:13:56,677 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:13:56,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-10-12 17:13:56,683 INFO L262 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 2 conjunts are in the unsatisfiable core [2023-10-12 17:13:56,684 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-10-12 17:13:56,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-10-12 17:13:56,693 WARN L260 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core [2023-10-12 17:13:56,693 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-10-12 17:13:56,697 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 17:13:56,697 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 17:13:56,697 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 17:13:56,845 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 17:13:56,856 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 17:13:56,856 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 17:13:56,857 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 17:13:56,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 54 transitions. [2023-10-12 17:13:56,857 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 54 transitions. Stem has 7 letters. Loop has 2 letters. [2023-10-12 17:13:56,858 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:13:56,858 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 54 transitions. Stem has 9 letters. Loop has 2 letters. [2023-10-12 17:13:56,858 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:13:56,858 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 54 transitions. Stem has 7 letters. Loop has 4 letters. [2023-10-12 17:13:56,859 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:13:56,859 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 12729 states and 57795 transitions. [2023-10-12 17:13:56,975 INFO L131 ngComponentsAnalysis]: Automaton has 97 accepting balls. 194 [2023-10-12 17:13:57,035 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 12729 states to 6975 states and 31135 transitions. [2023-10-12 17:13:57,035 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 1459 [2023-10-12 17:13:57,042 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 1699 [2023-10-12 17:13:57,042 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6975 states and 31135 transitions. [2023-10-12 17:13:57,042 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-10-12 17:13:57,042 INFO L219 hiAutomatonCegarLoop]: Abstraction has 6975 states and 31135 transitions. [2023-10-12 17:13:57,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6975 states and 31135 transitions. [2023-10-12 17:13:57,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6975 to 2925. [2023-10-12 17:13:57,139 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 17:13:57,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2925 states to 2925 states and 13315 transitions. [2023-10-12 17:13:57,149 INFO L241 hiAutomatonCegarLoop]: Abstraction has 2925 states and 13315 transitions. [2023-10-12 17:13:57,149 INFO L430 stractBuchiCegarLoop]: Abstraction has 2925 states and 13315 transitions. [2023-10-12 17:13:57,149 INFO L337 stractBuchiCegarLoop]: ======== Iteration 8 ============ [2023-10-12 17:13:57,149 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 2925 states and 13315 transitions. [2023-10-12 17:13:57,177 INFO L131 ngComponentsAnalysis]: Automaton has 40 accepting balls. 80 [2023-10-12 17:13:57,177 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-10-12 17:13:57,177 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-10-12 17:13:57,178 INFO L149 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1] [2023-10-12 17:13:57,178 INFO L150 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-10-12 17:13:57,178 INFO L748 eck$LassoCheckResult]: Stem: 68070#[$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[] 68072#[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] 68518#[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] 68586#[L74, L36, 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] 73564#[L24, L49-1, L36, L75]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] 73560#[L61-1, L49-1, L76, L36, 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] 73520#[L61-1, L49-1, L76, 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] 72748#[L61-1, L49-1, L76, L36, 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] 69882#[L61-1, L49-1, L76, L37-1, L24]don't care [2023-10-12 17:13:57,178 INFO L750 eck$LassoCheckResult]: Loop: 69882#[L61-1, L49-1, L76, L37-1, 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[] 69886#[L49-1, L76, L37-1, L24, L61]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] 69882#[L61-1, L49-1, L76, L37-1, L24]don't care [2023-10-12 17:13:57,179 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:13:57,179 INFO L85 PathProgramCache]: Analyzing trace with hash 439928701, now seen corresponding path program 1 times [2023-10-12 17:13:57,180 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:13:57,180 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [244659866] [2023-10-12 17:13:57,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:13:57,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:13:57,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:13:57,187 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:13:57,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:13:57,193 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:13:57,194 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:13:57,194 INFO L85 PathProgramCache]: Analyzing trace with hash 4195, now seen corresponding path program 3 times [2023-10-12 17:13:57,194 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:13:57,194 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1460080680] [2023-10-12 17:13:57,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:13:57,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:13:57,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:13:57,197 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:13:57,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:13:57,199 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:13:57,199 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:13:57,199 INFO L85 PathProgramCache]: Analyzing trace with hash 1864689887, now seen corresponding path program 1 times [2023-10-12 17:13:57,199 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:13:57,199 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [324301587] [2023-10-12 17:13:57,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:13:57,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:13:57,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:13:57,210 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:13:57,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:13:57,220 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:13:57,401 INFO L210 LassoAnalysis]: Preferences: [2023-10-12 17:13:57,401 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-10-12 17:13:57,401 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-10-12 17:13:57,401 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-10-12 17:13:57,401 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-10-12 17:13:57,401 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:13:57,401 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-10-12 17:13:57,401 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-10-12 17:13:57,401 INFO L133 ssoRankerPreferences]: Filename of dumped script: buffer-series.wvr.bpl_BEv2_Iteration8_Lasso [2023-10-12 17:13:57,401 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-10-12 17:13:57,402 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-10-12 17:13:57,403 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 17:13:57,405 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 17:13:57,408 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 17:13:57,412 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 17:13:57,415 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 17:13:57,417 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 17:13:57,419 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 17:13:57,422 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 17:13:57,424 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 17:13:57,426 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 17:13:57,428 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 17:13:57,430 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 17:13:57,459 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 17:13:57,461 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 17:13:57,464 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 17:13:57,588 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-10-12 17:13:57,588 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-10-12 17:13:57,588 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:13:57,588 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:13:57,597 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 17:13:57,601 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-10-12 17:13:57,607 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:13:57,607 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:13:57,607 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:13:57,608 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:13:57,609 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:13:57,609 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:13:57,608 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 17:13:57,622 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:13:57,625 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 17:13:57,626 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:13:57,626 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:13:57,627 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 17:13:57,633 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 17:13:57,640 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:13:57,640 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:13:57,640 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:13:57,640 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:13:57,641 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:13:57,641 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:13:57,644 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 17:13:57,652 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:13:57,655 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 17:13:57,656 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:13:57,656 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:13:57,657 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 17:13:57,658 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 17:13:57,660 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 17:13:57,666 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:13:57,666 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:13:57,667 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:13:57,667 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:13:57,668 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:13:57,668 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:13:57,682 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:13:57,693 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Forceful destruction successful, exit code 0 [2023-10-12 17:13:57,693 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:13:57,693 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:13:57,701 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 17:13:57,703 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 17:13:57,736 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 17:13:57,743 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:13:57,743 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:13:57,743 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:13:57,743 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:13:57,744 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:13:57,744 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:13:57,754 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:13:57,757 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 17:13:57,757 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:13:57,757 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:13:57,758 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 17:13:57,769 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 17:13:57,775 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:13:57,776 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:13:57,776 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:13:57,776 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:13:57,777 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:13:57,777 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:13:57,780 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 17:13:57,785 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:13:57,788 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 17:13:57,788 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:13:57,788 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:13:57,789 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 17:13:57,789 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 17:13:57,792 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 17:13:57,798 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 17:13:57,800 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:13:57,800 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:13:57,812 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:13:57,815 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Forceful destruction successful, exit code 0 [2023-10-12 17:13:57,815 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:13:57,815 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:13:57,816 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 17:13:57,822 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 17:13:57,829 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 17:13:57,835 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:13:57,835 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:13:57,835 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:13:57,836 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:13:57,837 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:13:57,837 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:13:57,846 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:13:57,848 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Ended with exit code 0 [2023-10-12 17:13:57,848 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:13:57,848 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:13:57,849 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 17:13:57,850 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 17:13:57,853 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 17:13:57,860 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:13:57,860 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:13:57,860 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:13:57,860 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:13:57,861 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:13:57,861 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:13:57,863 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:13:57,866 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 17:13:57,866 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:13:57,866 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 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 17:13:57,995 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 17:13:57,998 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 17:13:58,015 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:13:58,018 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 17:13:58,018 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:13:58,019 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:13:58,019 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 17:13:58,021 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 17:13:58,022 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 17:13:58,029 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:13:58,029 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:13:58,029 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:13:58,029 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:13:58,030 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:13:58,030 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:13:58,053 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:13:58,090 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Ended with 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 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 17:13:58,092 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 17:13:58,094 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 17:13:58,100 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 17:13:58,102 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:13:58,102 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:13:58,104 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:13:58,107 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Ended with exit code 0 [2023-10-12 17:13:58,107 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:13:58,108 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:13:58,108 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 17:13:58,119 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 17:13:58,120 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 17:13:58,126 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:13:58,127 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:13:58,127 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:13:58,127 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:13:58,128 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:13:58,128 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:13:58,152 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-10-12 17:13:58,157 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2023-10-12 17:13:58,157 INFO L444 ModelExtractionUtils]: 2 out of 10 variables were initially zero. Simplification set additionally 5 variables to zero. [2023-10-12 17:13:58,158 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:13:58,158 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:13:58,159 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 17:13:58,161 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 17:13:58,162 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-10-12 17:13:58,182 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-10-12 17:13:58,183 INFO L513 LassoAnalysis]: Proved termination. [2023-10-12 17:13:58,183 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 17:13:58,193 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Ended with exit code 0 [2023-10-12 17:13:58,194 INFO L156 tatePredicateManager]: 1 out of 1 supporting invariants were superfluous and have been removed [2023-10-12 17:13:58,201 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:13:58,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-10-12 17:13:58,210 INFO L262 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 2 conjunts are in the unsatisfiable core [2023-10-12 17:13:58,211 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-10-12 17:13:58,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-10-12 17:13:58,221 WARN L260 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core [2023-10-12 17:13:58,222 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-10-12 17:13:58,223 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 17:13:58,224 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 17:13:58,224 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 17:13:58,275 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 17:13:58,276 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 17:13:58,276 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 17:13:58,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 38 transitions. [2023-10-12 17:13:58,276 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 38 transitions. Stem has 8 letters. Loop has 2 letters. [2023-10-12 17:13:58,276 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:13:58,276 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2023-10-12 17:13:58,283 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:13:58,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-10-12 17:13:58,291 INFO L262 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 2 conjunts are in the unsatisfiable core [2023-10-12 17:13:58,292 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-10-12 17:13:58,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-10-12 17:13:58,302 WARN L260 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core [2023-10-12 17:13:58,302 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-10-12 17:13:58,303 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 17:13:58,304 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 17:13:58,304 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 17:13:58,348 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 17:13:58,348 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 17:13:58,348 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 17:13:58,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 38 transitions. [2023-10-12 17:13:58,349 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 38 transitions. Stem has 8 letters. Loop has 2 letters. [2023-10-12 17:13:58,349 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:13:58,349 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2023-10-12 17:13:58,356 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:13:58,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-10-12 17:13:58,364 INFO L262 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 2 conjunts are in the unsatisfiable core [2023-10-12 17:13:58,364 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-10-12 17:13:58,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-10-12 17:13:58,374 WARN L260 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core [2023-10-12 17:13:58,374 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-10-12 17:13:58,376 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 17:13:58,376 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 17:13:58,376 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 17:13:58,441 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 17:13:58,463 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 17:13:58,464 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 17:13:58,464 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 17:13:58,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 50 transitions. [2023-10-12 17:13:58,465 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 50 transitions. Stem has 8 letters. Loop has 2 letters. [2023-10-12 17:13:58,465 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:13:58,465 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 50 transitions. Stem has 10 letters. Loop has 2 letters. [2023-10-12 17:13:58,465 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:13:58,465 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 50 transitions. Stem has 8 letters. Loop has 4 letters. [2023-10-12 17:13:58,465 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:13:58,465 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 7643 states and 32936 transitions. [2023-10-12 17:13:58,537 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-10-12 17:13:58,537 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 7643 states to 0 states and 0 transitions. [2023-10-12 17:13:58,537 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2023-10-12 17:13:58,537 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2023-10-12 17:13:58,537 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2023-10-12 17:13:58,537 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-10-12 17:13:58,537 INFO L219 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-10-12 17:13:58,537 INFO L241 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-10-12 17:13:58,537 INFO L430 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-10-12 17:13:58,537 INFO L337 stractBuchiCegarLoop]: ======== Iteration 9 ============ [2023-10-12 17:13:58,537 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2023-10-12 17:13:58,537 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-10-12 17:13:58,538 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2023-10-12 17:13:58,542 INFO L201 PluginConnector]: Adding new model buffer-series.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 12.10 05:13:58 BoogieIcfgContainer [2023-10-12 17:13:58,542 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-10-12 17:13:58,542 INFO L158 Benchmark]: Toolchain (without parser) took 8356.73ms. Allocated memory was 188.7MB in the beginning and 402.7MB in the end (delta: 213.9MB). Free memory was 142.3MB in the beginning and 270.8MB in the end (delta: -128.5MB). Peak memory consumption was 86.5MB. Max. memory is 8.0GB. [2023-10-12 17:13:58,543 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.21ms. Allocated memory is still 188.7MB. Free memory is still 143.5MB. There was no memory consumed. Max. memory is 8.0GB. [2023-10-12 17:13:58,543 INFO L158 Benchmark]: Boogie Procedure Inliner took 21.20ms. Allocated memory is still 188.7MB. Free memory was 142.2MB in the beginning and 140.7MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-10-12 17:13:58,543 INFO L158 Benchmark]: Boogie Preprocessor took 13.70ms. Allocated memory is still 188.7MB. Free memory was 140.7MB in the beginning and 139.6MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2023-10-12 17:13:58,543 INFO L158 Benchmark]: RCFGBuilder took 243.51ms. Allocated memory is still 188.7MB. Free memory was 139.5MB in the beginning and 128.5MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. [2023-10-12 17:13:58,543 INFO L158 Benchmark]: BuchiAutomizer took 8075.08ms. Allocated memory was 188.7MB in the beginning and 402.7MB in the end (delta: 213.9MB). Free memory was 128.4MB in the beginning and 270.8MB in the end (delta: -142.5MB). Peak memory consumption was 72.9MB. Max. memory is 8.0GB. [2023-10-12 17:13:58,544 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 0.21ms. Allocated memory is still 188.7MB. Free memory is still 143.5MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 21.20ms. Allocated memory is still 188.7MB. Free memory was 142.2MB in the beginning and 140.7MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 13.70ms. Allocated memory is still 188.7MB. Free memory was 140.7MB in the beginning and 139.6MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 243.51ms. Allocated memory is still 188.7MB. Free memory was 139.5MB in the beginning and 128.5MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. * BuchiAutomizer took 8075.08ms. Allocated memory was 188.7MB in the beginning and 402.7MB in the end (delta: 213.9MB). Free memory was 128.4MB in the beginning and 270.8MB in the end (delta: -142.5MB). Peak memory consumption was 72.9MB. 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 7.9s and 9 iterations. TraceHistogramMax:2. Analysis of lassos took 5.0s. Construction of modules took 0.2s. Büchi inclusion checks took 1.2s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 7. Automata minimization 0.4s AutomataMinimizationTime, 7 MinimizatonAttempts, 6174 StatesRemovedByMinimization, 7 NontrivialMinimizations. Non-live state removal took 0.5s 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: 70ms 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: 46, independent: 26, independent conditional: 0, independent unconditional: 26, dependent: 20, dependent conditional: 0, dependent unconditional: 20, 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 17:13:58,582 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...