/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/min-array-hom.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.3-wip.fs.rabin-petrinet-4c29625-m [2023-10-12 17:14:01,761 INFO L172 SettingsManager]: Resetting all preferences to default values... [2023-10-12 17:14:01,825 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 17:14:01,858 INFO L114 SettingsManager]: Preferences different from defaults after loading the file: [2023-10-12 17:14:01,858 INFO L135 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-10-12 17:14:01,859 INFO L137 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-10-12 17:14:01,860 INFO L135 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-10-12 17:14:01,860 INFO L137 SettingsManager]: * Create parallel compositions if possible=false [2023-10-12 17:14:01,861 INFO L137 SettingsManager]: * Use SBE=true [2023-10-12 17:14:01,863 INFO L135 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-10-12 17:14:01,864 INFO L137 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-10-12 17:14:01,864 INFO L137 SettingsManager]: * Use old map elimination=false [2023-10-12 17:14:01,864 INFO L137 SettingsManager]: * Use external solver (rank synthesis)=false [2023-10-12 17:14:01,865 INFO L137 SettingsManager]: * Use only trivial implications for array writes=true [2023-10-12 17:14:01,865 INFO L137 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-10-12 17:14:01,866 INFO L135 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-10-12 17:14:01,866 INFO L137 SettingsManager]: * sizeof long=4 [2023-10-12 17:14:01,866 INFO L137 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-10-12 17:14:01,866 INFO L137 SettingsManager]: * Overapproximate operations on floating types=true [2023-10-12 17:14:01,866 INFO L137 SettingsManager]: * sizeof POINTER=4 [2023-10-12 17:14:01,866 INFO L137 SettingsManager]: * Check division by zero=IGNORE [2023-10-12 17:14:01,867 INFO L137 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-10-12 17:14:01,868 INFO L137 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-10-12 17:14:01,868 INFO L137 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-10-12 17:14:01,868 INFO L137 SettingsManager]: * sizeof long double=12 [2023-10-12 17:14:01,868 INFO L137 SettingsManager]: * Check if freed pointer was valid=false [2023-10-12 17:14:01,868 INFO L137 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-10-12 17:14:01,868 INFO L137 SettingsManager]: * Use constant arrays=true [2023-10-12 17:14:01,868 INFO L137 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-10-12 17:14:01,869 INFO L135 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-10-12 17:14:01,869 INFO L137 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-10-12 17:14:01,870 INFO L135 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-10-12 17:14:01,870 INFO L137 SettingsManager]: * Trace refinement strategy=CAMEL [2023-10-12 17:14:01,871 INFO L135 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-10-12 17:14:01,871 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: Automaton type for concurrent programs -> BUCHI_AUTOMATON [2023-10-12 17:14:02,076 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-10-12 17:14:02,091 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-10-12 17:14:02,092 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-10-12 17:14:02,093 INFO L270 PluginConnector]: Initializing Boogie PL CUP Parser... [2023-10-12 17:14:02,094 INFO L274 PluginConnector]: Boogie PL CUP Parser initialized [2023-10-12 17:14:02,094 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/min-array-hom.wvr.bpl [2023-10-12 17:14:02,095 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/min-array-hom.wvr.bpl' [2023-10-12 17:14:02,118 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-10-12 17:14:02,119 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2023-10-12 17:14:02,120 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-10-12 17:14:02,120 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-10-12 17:14:02,121 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-10-12 17:14:02,129 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "min-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:14:02" (1/1) ... [2023-10-12 17:14:02,134 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "min-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:14:02" (1/1) ... [2023-10-12 17:14:02,140 INFO L138 Inliner]: procedures = 4, calls = 3, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2023-10-12 17:14:02,141 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-10-12 17:14:02,142 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-10-12 17:14:02,143 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-10-12 17:14:02,143 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-10-12 17:14:02,149 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "min-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:14:02" (1/1) ... [2023-10-12 17:14:02,149 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "min-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:14:02" (1/1) ... [2023-10-12 17:14:02,151 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "min-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:14:02" (1/1) ... [2023-10-12 17:14:02,151 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "min-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:14:02" (1/1) ... [2023-10-12 17:14:02,155 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "min-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:14:02" (1/1) ... [2023-10-12 17:14:02,159 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "min-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:14:02" (1/1) ... [2023-10-12 17:14:02,159 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "min-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:14:02" (1/1) ... [2023-10-12 17:14:02,160 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "min-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:14:02" (1/1) ... [2023-10-12 17:14:02,164 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-10-12 17:14:02,165 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-10-12 17:14:02,165 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-10-12 17:14:02,165 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-10-12 17:14:02,166 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "min-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:14:02" (1/1) ... [2023-10-12 17:14:02,170 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:14:02,179 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:14:02,191 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 17:14:02,199 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 17:14:02,219 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2023-10-12 17:14:02,219 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-10-12 17:14:02,220 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-10-12 17:14:02,221 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2023-10-12 17:14:02,221 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-10-12 17:14:02,221 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-10-12 17:14:02,221 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2023-10-12 17:14:02,221 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-10-12 17:14:02,221 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-10-12 17:14:02,221 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2023-10-12 17:14:02,221 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-10-12 17:14:02,222 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-10-12 17:14:02,222 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 17:14:02,261 INFO L236 CfgBuilder]: Building ICFG [2023-10-12 17:14:02,262 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-10-12 17:14:02,339 INFO L277 CfgBuilder]: Performing block encoding [2023-10-12 17:14:02,351 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-10-12 17:14:02,351 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-10-12 17:14:02,352 INFO L201 PluginConnector]: Adding new model min-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 05:14:02 BoogieIcfgContainer [2023-10-12 17:14:02,352 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-10-12 17:14:02,353 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-10-12 17:14:02,353 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-10-12 17:14:02,356 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-10-12 17:14:02,356 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-10-12 17:14:02,356 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "min-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:14:02" (1/2) ... [2023-10-12 17:14:02,358 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@b523f5b and model type min-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 12.10 05:14:02, skipping insertion in model container [2023-10-12 17:14:02,358 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-10-12 17:14:02,358 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "min-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 05:14:02" (2/2) ... [2023-10-12 17:14:02,359 INFO L332 chiAutomizerObserver]: Analyzing ICFG min-array-hom.wvr.bpl [2023-10-12 17:14:02,407 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-10-12 17:14:02,428 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 36 places, 32 transitions, 88 flow [2023-10-12 17:14:02,443 INFO L124 PetriNetUnfolderBase]: 3/26 cut-off events. [2023-10-12 17:14:02,443 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2023-10-12 17:14:02,446 INFO L83 FinitePrefix]: Finished finitePrefix Result has 39 conditions, 26 events. 3/26 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 28 event pairs, 0 based on Foata normal form. 0/22 useless extension candidates. Maximal degree in co-relation 18. Up to 2 conditions per place. [2023-10-12 17:14:02,446 INFO L82 GeneralOperation]: Start removeDead. Operand has 36 places, 32 transitions, 88 flow [2023-10-12 17:14:02,451 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 33 places, 26 transitions, 70 flow [2023-10-12 17:14:02,454 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2023-10-12 17:14:02,463 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 33 places, 26 transitions, 70 flow [2023-10-12 17:14:02,465 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 33 places, 26 transitions, 70 flow [2023-10-12 17:14:02,465 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 33 places, 26 transitions, 70 flow [2023-10-12 17:14:02,470 INFO L124 PetriNetUnfolderBase]: 3/26 cut-off events. [2023-10-12 17:14:02,470 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2023-10-12 17:14:02,471 INFO L83 FinitePrefix]: Finished finitePrefix Result has 39 conditions, 26 events. 3/26 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 28 event pairs, 0 based on Foata normal form. 0/22 useless extension candidates. Maximal degree in co-relation 18. Up to 2 conditions per place. [2023-10-12 17:14:02,471 INFO L119 LiptonReduction]: Number of co-enabled transitions 144 [2023-10-12 17:14:02,755 INFO L134 LiptonReduction]: Checked pairs total: 124 [2023-10-12 17:14:02,755 INFO L136 LiptonReduction]: Total number of compositions: 12 [2023-10-12 17:14:02,770 INFO L305 stractBuchiCegarLoop]: Interprodecural is true [2023-10-12 17:14:02,770 INFO L306 stractBuchiCegarLoop]: Hoare is false [2023-10-12 17:14:02,771 INFO L307 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-10-12 17:14:02,771 INFO L308 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-10-12 17:14:02,771 INFO L309 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-10-12 17:14:02,771 INFO L310 stractBuchiCegarLoop]: Difference is false [2023-10-12 17:14:02,771 INFO L311 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-10-12 17:14:02,771 INFO L315 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-10-12 17:14:02,772 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand currently 0 states, but on-demand construction may add more states [2023-10-12 17:14:02,792 INFO L131 ngComponentsAnalysis]: Automaton has 15 accepting balls. 15 [2023-10-12 17:14:02,793 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-10-12 17:14:02,793 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-10-12 17:14:02,800 INFO L149 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-10-12 17:14:02,800 INFO L150 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2023-10-12 17:14:02,801 INFO L337 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-10-12 17:14:02,801 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand currently 24 states, but on-demand construction may add more states [2023-10-12 17:14:02,807 INFO L131 ngComponentsAnalysis]: Automaton has 15 accepting balls. 15 [2023-10-12 17:14:02,807 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-10-12 17:14:02,807 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-10-12 17:14:02,807 INFO L149 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-10-12 17:14:02,807 INFO L150 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2023-10-12 17:14:02,811 INFO L748 eck$LassoCheckResult]: Stem: 39#[$Ultimate##0]don't care [102] $Ultimate##0-->L59: Formula: (and (= v_i_21 v_j_21) (= v_i_21 v_min3_21) (<= 0 v_M_14) (= v_i_21 v_min1_21) (= v_i_21 v_min2_21) (= v_M_14 v_k_17) (< v_M_14 v_N_18) (= v_i_21 0)) InVars {min2=v_min2_21, min3=v_min3_21, min1=v_min1_21, N=v_N_18, M=v_M_14, k=v_k_17, j=v_j_21, i=v_i_21} OutVars{min2=v_min2_21, min3=v_min3_21, min1=v_min1_21, N=v_N_18, M=v_M_14, k=v_k_17, j=v_j_21, i=v_i_21} AuxVars[] AssignedVars[] 42#[L59]don't care [81] L59-->L23-1: Formula: (= v_thread1Thread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_thidvar0] 44#[L59-1, L23-1]don't care [2023-10-12 17:14:02,811 INFO L750 eck$LassoCheckResult]: Loop: 44#[L59-1, L23-1]don't care [96] L23-1-->L23-1: Formula: (and (= v_i_15 (+ v_i_16 1)) (< v_i_16 v_N_10) (= (let ((.cse0 (select v_A_12 v_i_16))) (ite (< .cse0 v_min1_12) .cse0 v_min1_12)) v_min1_11)) InVars {A=v_A_12, min1=v_min1_12, N=v_N_10, i=v_i_16} OutVars{A=v_A_12, min1=v_min1_11, N=v_N_10, i=v_i_15} AuxVars[] AssignedVars[min1, i] 44#[L59-1, L23-1]don't care [2023-10-12 17:14:02,819 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:14:02,819 INFO L85 PathProgramCache]: Analyzing trace with hash 4204, now seen corresponding path program 1 times [2023-10-12 17:14:02,825 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:14:02,825 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [199279287] [2023-10-12 17:14:02,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:14:02,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:14:02,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:14:02,908 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:14:02,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:14:02,922 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:14:02,924 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:14:02,924 INFO L85 PathProgramCache]: Analyzing trace with hash 127, now seen corresponding path program 1 times [2023-10-12 17:14:02,924 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:14:02,925 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1065261841] [2023-10-12 17:14:02,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:14:02,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:14:02,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:14:02,936 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:14:02,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:14:02,940 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:14:02,942 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:14:02,942 INFO L85 PathProgramCache]: Analyzing trace with hash 130420, now seen corresponding path program 1 times [2023-10-12 17:14:02,942 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:14:02,942 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2056734864] [2023-10-12 17:14:02,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:14:02,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:14:02,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:14:02,950 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:14:02,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:14:02,959 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:14:03,078 INFO L210 LassoAnalysis]: Preferences: [2023-10-12 17:14:03,079 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-10-12 17:14:03,079 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-10-12 17:14:03,079 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-10-12 17:14:03,079 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-10-12 17:14:03,079 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:14:03,079 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-10-12 17:14:03,080 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-10-12 17:14:03,080 INFO L133 ssoRankerPreferences]: Filename of dumped script: min-array-hom.wvr.bpl_BEv2_Iteration1_Lasso [2023-10-12 17:14:03,080 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-10-12 17:14:03,080 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-10-12 17:14:03,094 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 17:14:03,103 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 17:14:03,105 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 17:14:03,145 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 17:14:03,148 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 17:14:03,245 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-10-12 17:14:03,248 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-10-12 17:14:03,249 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:14:03,249 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:14:03,267 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 17:14:03,277 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 17:14:03,284 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:14:03,284 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:14:03,284 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:14:03,284 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:14:03,292 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 17:14:03,294 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:14:03,294 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:14:03,321 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:14:03,325 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 17:14:03,325 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:14:03,325 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:14:03,326 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 17:14:03,329 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 17:14:03,330 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 17:14:03,337 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:14:03,337 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:14:03,337 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:14:03,337 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:14:03,340 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:14:03,340 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:14:03,357 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:14:03,370 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 17:14:03,370 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:14:03,370 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:14:03,371 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 17:14:03,374 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 17:14:03,376 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 17:14:03,381 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:14:03,382 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:14:03,382 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:14:03,382 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:14:03,389 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:14:03,389 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:14:03,421 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-10-12 17:14:03,435 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2023-10-12 17:14:03,435 INFO L444 ModelExtractionUtils]: 8 out of 16 variables were initially zero. Simplification set additionally 5 variables to zero. [2023-10-12 17:14:03,436 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:14:03,436 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:14:03,439 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 17:14:03,440 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 17:14:03,493 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-10-12 17:14:03,512 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-10-12 17:14:03,513 INFO L513 LassoAnalysis]: Proved termination. [2023-10-12 17:14:03,513 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(i, N) = -1*i + 1*N Supporting invariants [] [2023-10-12 17:14:03,522 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2023-10-12 17:14:03,525 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-10-12 17:14:03,543 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:14:03,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-10-12 17:14:03,558 INFO L262 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 2 conjunts are in the unsatisfiable core [2023-10-12 17:14:03,559 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-10-12 17:14:03,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-10-12 17:14:03,574 WARN L260 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core [2023-10-12 17:14:03,575 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-10-12 17:14:03,575 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 17:14:03,599 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 17:14:03,600 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand currently 24 states, but on-demand construction may add more states Second operand has 2 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-10-12 17:14:03,653 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand currently 24 states, but on-demand construction may add more states. Second operand has 2 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 65 states and 193 transitions. Complement of second has 5 states. [2023-10-12 17:14:03,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2023-10-12 17:14:03,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-10-12 17:14:03,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 23 transitions. [2023-10-12 17:14:03,660 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 23 transitions. Stem has 2 letters. Loop has 1 letters. [2023-10-12 17:14:03,661 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:14:03,662 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 23 transitions. Stem has 3 letters. Loop has 1 letters. [2023-10-12 17:14:03,664 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:14:03,665 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 23 transitions. Stem has 2 letters. Loop has 2 letters. [2023-10-12 17:14:03,673 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:14:03,677 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 65 states and 193 transitions. [2023-10-12 17:14:03,680 INFO L131 ngComponentsAnalysis]: Automaton has 12 accepting balls. 12 [2023-10-12 17:14:03,684 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 65 states to 39 states and 120 transitions. [2023-10-12 17:14:03,685 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 17 [2023-10-12 17:14:03,685 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 28 [2023-10-12 17:14:03,685 INFO L73 IsDeterministic]: Start isDeterministic. Operand 39 states and 120 transitions. [2023-10-12 17:14:03,686 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-10-12 17:14:03,686 INFO L219 hiAutomatonCegarLoop]: Abstraction has 39 states and 120 transitions. [2023-10-12 17:14:03,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states and 120 transitions. [2023-10-12 17:14:03,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 29. [2023-10-12 17:14:03,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 29 states have (on average 3.1724137931034484) internal successors, (92), 28 states have internal predecessors, (92), 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 17:14:03,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 92 transitions. [2023-10-12 17:14:03,711 INFO L241 hiAutomatonCegarLoop]: Abstraction has 29 states and 92 transitions. [2023-10-12 17:14:03,711 INFO L430 stractBuchiCegarLoop]: Abstraction has 29 states and 92 transitions. [2023-10-12 17:14:03,711 INFO L337 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-10-12 17:14:03,711 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 29 states and 92 transitions. [2023-10-12 17:14:03,712 INFO L131 ngComponentsAnalysis]: Automaton has 12 accepting balls. 12 [2023-10-12 17:14:03,712 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-10-12 17:14:03,712 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-10-12 17:14:03,712 INFO L149 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2023-10-12 17:14:03,712 INFO L150 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2023-10-12 17:14:03,713 INFO L748 eck$LassoCheckResult]: Stem: 235#[$Ultimate##0]don't care [102] $Ultimate##0-->L59: Formula: (and (= v_i_21 v_j_21) (= v_i_21 v_min3_21) (<= 0 v_M_14) (= v_i_21 v_min1_21) (= v_i_21 v_min2_21) (= v_M_14 v_k_17) (< v_M_14 v_N_18) (= v_i_21 0)) InVars {min2=v_min2_21, min3=v_min3_21, min1=v_min1_21, N=v_N_18, M=v_M_14, k=v_k_17, j=v_j_21, i=v_i_21} OutVars{min2=v_min2_21, min3=v_min3_21, min1=v_min1_21, N=v_N_18, M=v_M_14, k=v_k_17, j=v_j_21, i=v_i_21} AuxVars[] AssignedVars[] 199#[L59]don't care [81] L59-->L23-1: Formula: (= v_thread1Thread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_thidvar0] 201#[L59-1, L23-1]don't care [84] L59-1-->L34-1: Formula: (and (= 2 v_thread2Thread1of1ForFork1_thidvar1_2) (= 2 v_thread2Thread1of1ForFork1_thidvar0_2)) InVars {} OutVars{thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_2, thread2Thread1of1ForFork1_thidvar1=v_thread2Thread1of1ForFork1_thidvar1_2} AuxVars[] AssignedVars[thread2Thread1of1ForFork1_thidvar0, thread2Thread1of1ForFork1_thidvar1] 209#[L23-1, L60, L34-1]don't care [2023-10-12 17:14:03,713 INFO L750 eck$LassoCheckResult]: Loop: 209#[L23-1, L60, L34-1]don't care [94] L34-1-->L34-1: Formula: (and (= v_j_15 (+ v_j_16 1)) (= (let ((.cse0 (select v_A_10 v_j_16))) (ite (< .cse0 v_min2_12) .cse0 v_min2_12)) v_min2_11) (< v_j_16 v_M_10)) InVars {min2=v_min2_12, A=v_A_10, M=v_M_10, j=v_j_16} OutVars{min2=v_min2_11, A=v_A_10, M=v_M_10, j=v_j_15} AuxVars[] AssignedVars[min2, j] 209#[L23-1, L60, L34-1]don't care [2023-10-12 17:14:03,713 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:14:03,713 INFO L85 PathProgramCache]: Analyzing trace with hash 130408, now seen corresponding path program 1 times [2023-10-12 17:14:03,714 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:14:03,714 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1549575488] [2023-10-12 17:14:03,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:14:03,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:14:03,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:14:03,734 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:14:03,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:14:03,739 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:14:03,740 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:14:03,740 INFO L85 PathProgramCache]: Analyzing trace with hash 125, now seen corresponding path program 1 times [2023-10-12 17:14:03,740 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:14:03,740 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [904892230] [2023-10-12 17:14:03,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:14:03,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:14:03,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:14:03,745 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:14:03,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:14:03,754 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:14:03,755 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:14:03,755 INFO L85 PathProgramCache]: Analyzing trace with hash 4042742, now seen corresponding path program 1 times [2023-10-12 17:14:03,755 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:14:03,755 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1140704754] [2023-10-12 17:14:03,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:14:03,756 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:14:03,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:14:03,774 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:14:03,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:14:03,787 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:14:03,885 INFO L210 LassoAnalysis]: Preferences: [2023-10-12 17:14:03,885 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-10-12 17:14:03,885 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-10-12 17:14:03,885 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-10-12 17:14:03,885 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-10-12 17:14:03,885 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:14:03,885 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-10-12 17:14:03,885 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-10-12 17:14:03,885 INFO L133 ssoRankerPreferences]: Filename of dumped script: min-array-hom.wvr.bpl_BEv2_Iteration2_Lasso [2023-10-12 17:14:03,885 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-10-12 17:14:03,885 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-10-12 17:14:03,887 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 17:14:03,889 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 17:14:03,891 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 17:14:03,922 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 17:14:03,925 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 17:14:03,927 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 17:14:03,929 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 17:14:04,026 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-10-12 17:14:04,027 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-10-12 17:14:04,027 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:14:04,027 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:14:04,028 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 17:14:04,074 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 17:14:04,089 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2023-10-12 17:14:04,089 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 17:14:04,105 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:14:04,105 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:14:04,105 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:14:04,105 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:14:04,107 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:14:04,107 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:14:04,124 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:14:04,130 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 17:14:04,130 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:14:04,130 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:14:04,131 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 17:14:04,142 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 17:14:04,149 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:14:04,149 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:14:04,149 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:14:04,149 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:14:04,150 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:14:04,150 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:14:04,154 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 17:14:04,162 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:14:04,167 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 17:14:04,167 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:14:04,168 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:14:04,168 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 17:14:04,170 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 17:14:04,172 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 17:14:04,179 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:14:04,179 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:14:04,179 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:14:04,179 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:14:04,182 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:14:04,182 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:14:04,197 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-10-12 17:14:04,202 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2023-10-12 17:14:04,202 INFO L444 ModelExtractionUtils]: 10 out of 16 variables were initially zero. Simplification set additionally 3 variables to zero. [2023-10-12 17:14:04,202 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:14:04,203 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:14:04,205 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 17:14:04,207 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 17:14:04,208 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-10-12 17:14:04,229 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-10-12 17:14:04,229 INFO L513 LassoAnalysis]: Proved termination. [2023-10-12 17:14:04,230 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(M, j) = 1*M - 1*j Supporting invariants [] [2023-10-12 17:14:04,237 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2023-10-12 17:14:04,238 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-10-12 17:14:04,249 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:14:04,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-10-12 17:14:04,256 INFO L262 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 2 conjunts are in the unsatisfiable core [2023-10-12 17:14:04,257 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-10-12 17:14:04,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-10-12 17:14:04,263 WARN L260 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core [2023-10-12 17:14:04,264 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-10-12 17:14:04,264 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 17:14:04,264 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 17:14:04,264 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 29 states and 92 transitions. cyclomatic complexity: 81 Second operand has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-10-12 17:14:04,291 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 29 states and 92 transitions. cyclomatic complexity: 81. Second operand has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 85 states and 277 transitions. Complement of second has 4 states. [2023-10-12 17:14:04,292 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 17:14:04,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-10-12 17:14:04,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 22 transitions. [2023-10-12 17:14:04,292 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 22 transitions. Stem has 3 letters. Loop has 1 letters. [2023-10-12 17:14:04,292 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:14:04,292 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 22 transitions. Stem has 4 letters. Loop has 1 letters. [2023-10-12 17:14:04,293 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:14:04,293 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 22 transitions. Stem has 3 letters. Loop has 2 letters. [2023-10-12 17:14:04,293 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:14:04,293 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 85 states and 277 transitions. [2023-10-12 17:14:04,295 INFO L131 ngComponentsAnalysis]: Automaton has 7 accepting balls. 7 [2023-10-12 17:14:04,296 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 85 states to 51 states and 164 transitions. [2023-10-12 17:14:04,296 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 20 [2023-10-12 17:14:04,296 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 29 [2023-10-12 17:14:04,297 INFO L73 IsDeterministic]: Start isDeterministic. Operand 51 states and 164 transitions. [2023-10-12 17:14:04,297 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-10-12 17:14:04,297 INFO L219 hiAutomatonCegarLoop]: Abstraction has 51 states and 164 transitions. [2023-10-12 17:14:04,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states and 164 transitions. [2023-10-12 17:14:04,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 42. [2023-10-12 17:14:04,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42 states, 42 states have (on average 3.4523809523809526) internal successors, (145), 41 states have internal predecessors, (145), 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 17:14:04,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 145 transitions. [2023-10-12 17:14:04,300 INFO L241 hiAutomatonCegarLoop]: Abstraction has 42 states and 145 transitions. [2023-10-12 17:14:04,300 INFO L430 stractBuchiCegarLoop]: Abstraction has 42 states and 145 transitions. [2023-10-12 17:14:04,300 INFO L337 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2023-10-12 17:14:04,300 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 42 states and 145 transitions. [2023-10-12 17:14:04,301 INFO L131 ngComponentsAnalysis]: Automaton has 7 accepting balls. 7 [2023-10-12 17:14:04,301 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-10-12 17:14:04,301 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-10-12 17:14:04,301 INFO L149 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2023-10-12 17:14:04,301 INFO L150 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2023-10-12 17:14:04,302 INFO L748 eck$LassoCheckResult]: Stem: 424#[$Ultimate##0]don't care [102] $Ultimate##0-->L59: Formula: (and (= v_i_21 v_j_21) (= v_i_21 v_min3_21) (<= 0 v_M_14) (= v_i_21 v_min1_21) (= v_i_21 v_min2_21) (= v_M_14 v_k_17) (< v_M_14 v_N_18) (= v_i_21 0)) InVars {min2=v_min2_21, min3=v_min3_21, min1=v_min1_21, N=v_N_18, M=v_M_14, k=v_k_17, j=v_j_21, i=v_i_21} OutVars{min2=v_min2_21, min3=v_min3_21, min1=v_min1_21, N=v_N_18, M=v_M_14, k=v_k_17, j=v_j_21, i=v_i_21} AuxVars[] AssignedVars[] 368#[L59]don't care [81] L59-->L23-1: Formula: (= v_thread1Thread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_thidvar0] 370#[L59-1, L23-1]don't care [84] L59-1-->L34-1: Formula: (and (= 2 v_thread2Thread1of1ForFork1_thidvar1_2) (= 2 v_thread2Thread1of1ForFork1_thidvar0_2)) InVars {} OutVars{thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_2, thread2Thread1of1ForFork1_thidvar1=v_thread2Thread1of1ForFork1_thidvar1_2} AuxVars[] AssignedVars[thread2Thread1of1ForFork1_thidvar0, thread2Thread1of1ForFork1_thidvar1] 378#[L23-1, L60, L34-1]don't care [87] L60-->L45-1: Formula: (and (= 3 v_thread3Thread1of1ForFork2_thidvar0_2) (= 3 v_thread3Thread1of1ForFork2_thidvar1_2) (= 3 v_thread3Thread1of1ForFork2_thidvar2_2)) InVars {} OutVars{thread3Thread1of1ForFork2_thidvar2=v_thread3Thread1of1ForFork2_thidvar2_2, thread3Thread1of1ForFork2_thidvar1=v_thread3Thread1of1ForFork2_thidvar1_2, thread3Thread1of1ForFork2_thidvar0=v_thread3Thread1of1ForFork2_thidvar0_2} AuxVars[] AssignedVars[thread3Thread1of1ForFork2_thidvar2, thread3Thread1of1ForFork2_thidvar1, thread3Thread1of1ForFork2_thidvar0] 382#[L34-1, L23-1, L45-1, L61]don't care [2023-10-12 17:14:04,302 INFO L750 eck$LassoCheckResult]: Loop: 382#[L34-1, L23-1, L45-1, L61]don't care [99] L45-1-->L45-1: Formula: (and (= (let ((.cse0 (select v_A_14 v_k_14))) (ite (< .cse0 v_min3_14) .cse0 v_min3_14)) v_min3_13) (= v_k_13 (+ v_k_14 1)) (< v_k_14 v_N_14)) InVars {A=v_A_14, min3=v_min3_14, N=v_N_14, k=v_k_14} OutVars{A=v_A_14, min3=v_min3_13, N=v_N_14, k=v_k_13} AuxVars[] AssignedVars[min3, k] 382#[L34-1, L23-1, L45-1, L61]don't care [2023-10-12 17:14:04,302 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:14:04,302 INFO L85 PathProgramCache]: Analyzing trace with hash 4042735, now seen corresponding path program 1 times [2023-10-12 17:14:04,302 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:14:04,302 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [622423444] [2023-10-12 17:14:04,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:14:04,303 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:14:04,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:14:04,307 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:14:04,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:14:04,310 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:14:04,311 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:14:04,311 INFO L85 PathProgramCache]: Analyzing trace with hash 130, now seen corresponding path program 1 times [2023-10-12 17:14:04,311 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:14:04,311 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1253793016] [2023-10-12 17:14:04,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:14:04,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:14:04,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:14:04,314 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:14:04,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:14:04,316 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:14:04,317 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:14:04,317 INFO L85 PathProgramCache]: Analyzing trace with hash 125324884, now seen corresponding path program 1 times [2023-10-12 17:14:04,317 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:14:04,317 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1123922392] [2023-10-12 17:14:04,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:14:04,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:14:04,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:14:04,322 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:14:04,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:14:04,330 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:14:04,432 INFO L210 LassoAnalysis]: Preferences: [2023-10-12 17:14:04,433 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-10-12 17:14:04,433 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-10-12 17:14:04,433 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-10-12 17:14:04,433 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-10-12 17:14:04,433 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:14:04,433 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-10-12 17:14:04,433 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-10-12 17:14:04,433 INFO L133 ssoRankerPreferences]: Filename of dumped script: min-array-hom.wvr.bpl_BEv2_Iteration3_Lasso [2023-10-12 17:14:04,433 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-10-12 17:14:04,433 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-10-12 17:14:04,435 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 17:14:04,438 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 17:14:04,440 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 17:14:04,441 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-10-12 17:14:04,443 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 17:14:04,445 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 17:14:04,468 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 17:14:04,471 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 17:14:04,473 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 17:14:04,476 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 17:14:04,478 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 17:14:04,588 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-10-12 17:14:04,588 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-10-12 17:14:04,589 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:14:04,589 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:14:04,590 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 17:14:04,592 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 17:14:04,595 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 17:14:04,601 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:14:04,601 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:14:04,601 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:14:04,601 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:14:04,603 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:14:04,603 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:14:04,617 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:14:04,636 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 17:14:04,636 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:14:04,636 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:14:04,637 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 17:14:04,639 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 17:14:04,640 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 17:14:04,647 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:14:04,647 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:14:04,647 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:14:04,647 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:14:04,648 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:14:04,648 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:14:04,668 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:14:04,672 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2023-10-12 17:14:04,672 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:14:04,672 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:14:04,673 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 17:14:04,675 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 17:14:04,677 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 17:14:04,683 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:14:04,683 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:14:04,683 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:14:04,683 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:14:04,684 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:14:04,684 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:14:04,704 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:14:04,717 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 17:14:04,717 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:14:04,717 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:14:04,718 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 17:14:04,721 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 17:14:04,734 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 17:14:04,740 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:14:04,740 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:14:04,740 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:14:04,740 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:14:04,742 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:14:04,742 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:14:04,748 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:14:04,753 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 17:14:04,753 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:14:04,754 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:14:04,755 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 17:14:04,757 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 17:14:04,760 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 17:14:04,767 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:14:04,767 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:14:04,767 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:14:04,767 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:14:04,769 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:14:04,769 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:14:04,778 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:14:04,782 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 17:14:04,783 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:14:04,783 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:14:04,784 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 17:14:04,785 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 17:14:04,789 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 17:14:04,795 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:14:04,795 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:14:04,795 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2023-10-12 17:14:04,795 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:14:04,799 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2023-10-12 17:14:04,800 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2023-10-12 17:14:04,813 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:14:04,816 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 17:14:04,816 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:14:04,817 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:14:04,817 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 17:14:04,819 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 17:14:04,821 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 17:14:04,827 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:14:04,827 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:14:04,827 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:14:04,827 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:14:04,829 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:14:04,829 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:14:04,840 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-10-12 17:14:04,849 INFO L443 ModelExtractionUtils]: Simplification made 12 calls to the SMT solver. [2023-10-12 17:14:04,849 INFO L444 ModelExtractionUtils]: 3 out of 13 variables were initially zero. Simplification set additionally 7 variables to zero. [2023-10-12 17:14:04,849 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:14:04,850 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:14:04,851 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 17:14:04,851 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 17:14:04,854 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-10-12 17:14:04,860 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-10-12 17:14:04,860 INFO L513 LassoAnalysis]: Proved termination. [2023-10-12 17:14:04,860 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(k, N) = -1*k + 1*N Supporting invariants [] [2023-10-12 17:14:04,865 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 17:14:04,866 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-10-12 17:14:04,879 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:14:04,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-10-12 17:14:04,885 INFO L262 TraceCheckSpWp]: Trace formula consists of 28 conjuncts, 2 conjunts are in the unsatisfiable core [2023-10-12 17:14:04,885 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-10-12 17:14:04,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-10-12 17:14:04,891 WARN L260 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core [2023-10-12 17:14:04,891 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-10-12 17:14:04,891 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 17:14:04,892 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 17:14:04,892 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 42 states and 145 transitions. cyclomatic complexity: 122 Second operand has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-10-12 17:14:04,912 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 42 states and 145 transitions. cyclomatic complexity: 122. Second operand has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 98 states and 307 transitions. Complement of second has 4 states. [2023-10-12 17:14:04,912 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 17:14:04,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-10-12 17:14:04,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 22 transitions. [2023-10-12 17:14:04,913 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 22 transitions. Stem has 4 letters. Loop has 1 letters. [2023-10-12 17:14:04,913 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:14:04,913 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 22 transitions. Stem has 5 letters. Loop has 1 letters. [2023-10-12 17:14:04,913 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:14:04,913 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 22 transitions. Stem has 4 letters. Loop has 2 letters. [2023-10-12 17:14:04,914 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:14:04,914 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 98 states and 307 transitions. [2023-10-12 17:14:04,916 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-10-12 17:14:04,916 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 98 states to 0 states and 0 transitions. [2023-10-12 17:14:04,916 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2023-10-12 17:14:04,916 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2023-10-12 17:14:04,916 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2023-10-12 17:14:04,916 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-10-12 17:14:04,916 INFO L219 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-10-12 17:14:04,916 INFO L241 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-10-12 17:14:04,916 INFO L430 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-10-12 17:14:04,916 INFO L337 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2023-10-12 17:14:04,916 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2023-10-12 17:14:04,916 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-10-12 17:14:04,916 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2023-10-12 17:14:04,921 INFO L201 PluginConnector]: Adding new model min-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 12.10 05:14:04 BoogieIcfgContainer [2023-10-12 17:14:04,921 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-10-12 17:14:04,922 INFO L158 Benchmark]: Toolchain (without parser) took 2802.15ms. Allocated memory was 199.2MB in the beginning and 342.9MB in the end (delta: 143.7MB). Free memory was 154.6MB in the beginning and 239.7MB in the end (delta: -85.1MB). Peak memory consumption was 59.1MB. Max. memory is 8.0GB. [2023-10-12 17:14:04,922 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.20ms. Allocated memory is still 199.2MB. Free memory is still 155.7MB. There was no memory consumed. Max. memory is 8.0GB. [2023-10-12 17:14:04,923 INFO L158 Benchmark]: Boogie Procedure Inliner took 20.63ms. Allocated memory is still 199.2MB. Free memory was 154.5MB in the beginning and 153.0MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2023-10-12 17:14:04,923 INFO L158 Benchmark]: Boogie Preprocessor took 21.65ms. Allocated memory is still 199.2MB. Free memory was 153.0MB in the beginning and 151.9MB in the end (delta: 1.1MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2023-10-12 17:14:04,923 INFO L158 Benchmark]: RCFGBuilder took 187.76ms. Allocated memory is still 199.2MB. Free memory was 151.9MB in the beginning and 141.8MB in the end (delta: 10.1MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. [2023-10-12 17:14:04,924 INFO L158 Benchmark]: BuchiAutomizer took 2567.82ms. Allocated memory was 199.2MB in the beginning and 342.9MB in the end (delta: 143.7MB). Free memory was 141.6MB in the beginning and 239.7MB in the end (delta: -98.1MB). Peak memory consumption was 45.4MB. Max. memory is 8.0GB. [2023-10-12 17:14:04,927 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 0.20ms. Allocated memory is still 199.2MB. Free memory is still 155.7MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 20.63ms. Allocated memory is still 199.2MB. Free memory was 154.5MB in the beginning and 153.0MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 21.65ms. Allocated memory is still 199.2MB. Free memory was 153.0MB in the beginning and 151.9MB in the end (delta: 1.1MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 187.76ms. Allocated memory is still 199.2MB. Free memory was 151.9MB in the beginning and 141.8MB in the end (delta: 10.1MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. * BuchiAutomizer took 2567.82ms. Allocated memory was 199.2MB in the beginning and 342.9MB in the end (delta: 143.7MB). Free memory was 141.6MB in the beginning and 239.7MB in the end (delta: -98.1MB). Peak memory consumption was 45.4MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 3 terminating modules (0 trivial, 3 deterministic, 0 nondeterministic). One deterministic module has affine ranking function N + -1 * i and consists of 4 locations. One deterministic module has affine ranking function M + -1 * j and consists of 3 locations. One deterministic module has affine ranking function -1 * k + N and consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.4s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 1.8s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 2. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 19 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [3, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 40 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 37 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 68 IncrementalHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 0 mSDtfsCounter, 68 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso3 LassoPreprocessingBenchmarks: Lassos: inital65 mio100 ax100 hnf100 lsp99 ukn59 mio100 lsp55 div100 bol100 ite100 ukn100 eq161 hnf94 smp100 dnf150 smp65 tf100 neg100 sie111 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 30ms VariablesStem: 1 VariablesLoop: 3 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 4 MotzkinApplications: 16 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.3s - 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: 0.3s, 33 PlacesBefore, 22 PlacesAfterwards, 26 TransitionsBefore, 15 TransitionsAfterwards, 144 CoEnabledTransitionPairs, 3 FixpointIterations, 6 TrivialSequentialCompositions, 6 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 12 TotalNumberOfCompositions, 124 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 124, independent: 124, independent conditional: 0, independent unconditional: 124, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 82, independent: 82, independent conditional: 0, independent unconditional: 82, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 82, independent: 82, independent conditional: 0, independent unconditional: 82, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 124, independent: 42, independent conditional: 0, independent unconditional: 42, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 82, unknown conditional: 0, unknown unconditional: 82] , Statistics on independence cache: Total cache size (in pairs): 18, Positive cache size: 18, Positive conditional cache size: 0, Positive unconditional cache size: 18, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 RESULT: Ultimate proved your program to be correct! [2023-10-12 17:14:04,938 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 17:14:05,140 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 17:14:05,339 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...